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添加qspi存储w25q128 

添加littlefs文件系统
存储挂载路径/sys
master
sc 2 months ago
parent
c7cf944e61
commit
1f345bd81f
47 changed files with 22121 additions and 346 deletions
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  1. 44
      .config
  2. 497
      .cproject
  3. 2
      .project
  4. BIN
      .settings/.rtmenus
  5. 2
      .settings/language.settings.xml
  6. 128
      applications/QSPI_elmfatfs.c
  7. 2
      applications/RUN_LED.c
  8. 4
      applications/SDIO_elmfatfs.c
  9. 4
      applications/TMPFS_root.c
  10. 30
      applications/fal_cfg.h
  11. 4
      cubemx/.mxproject
  12. 747
      cubemx/Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_qspi.h
  13. 2683
      cubemx/Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_qspi.c
  14. 5
      cubemx/EWARM/cubemx.ewp
  15. 2
      cubemx/Inc/stm32h7xx_hal_conf.h
  16. 1
      cubemx/Inc/stm32h7xx_it.h
  17. 42
      cubemx/Src/main.c
  18. 130
      cubemx/Src/stm32h7xx_hal_msp.c
  19. 15
      cubemx/Src/stm32h7xx_it.c
  20. 171
      cubemx/cubemx.ioc
  21. 2
      drivers/board.h
  22. 4
      packages/littlefs-v2.11.2/.gitattributes
  23. 34
      packages/littlefs-v2.11.2/.gitignore
  24. 2173
      packages/littlefs-v2.11.2/DESIGN.md
  25. 25
      packages/littlefs-v2.11.2/LICENSE.md
  26. 342
      packages/littlefs-v2.11.2/README.md
  27. 25
      packages/littlefs-v2.11.2/SConscript
  28. 867
      packages/littlefs-v2.11.2/SPEC.md
  29. 270
      packages/littlefs-v2.11.2/benches/bench_dir.toml
  30. 95
      packages/littlefs-v2.11.2/benches/bench_file.toml
  31. 56
      packages/littlefs-v2.11.2/benches/bench_superblock.toml
  32. 977
      packages/littlefs-v2.11.2/dfs_lfs.c
  33. 6549
      packages/littlefs-v2.11.2/lfs.c
  34. 801
      packages/littlefs-v2.11.2/lfs.h
  35. 202
      packages/littlefs-v2.11.2/lfs_config.h
  36. 20
      packages/littlefs-v2.11.2/lfs_crc.c
  37. 37
      packages/littlefs-v2.11.2/lfs_util.c
  38. 273
      packages/littlefs-v2.11.2/lfs_util.h
  39. 2063
      packages/littlefs-v2.11.2/runners/bench_runner.c
  40. 146
      packages/littlefs-v2.11.2/runners/bench_runner.h
  41. 2818
      packages/littlefs-v2.11.2/runners/test_runner.c
  42. 142
      packages/littlefs-v2.11.2/runners/test_runner.h
  43. BIN
      packages/packages.dbsqlite
  44. 5
      packages/pkgs.json
  45. 4
      rt-thread/components/fal/src/fal.c
  46. 23
      rtconfig.h
  47. 1
      rtconfig_preinc.h

44
.config
View File

@ -128,7 +128,7 @@ CONFIG_DFS_USING_WORKDIR=y
CONFIG_DFS_FD_MAX=16 CONFIG_DFS_FD_MAX=16
CONFIG_RT_USING_DFS_V1=y CONFIG_RT_USING_DFS_V1=y
# CONFIG_RT_USING_DFS_V2 is not set # CONFIG_RT_USING_DFS_V2 is not set
CONFIG_DFS_FILESYSTEMS_MAX=4 CONFIG_DFS_FILESYSTEMS_MAX=6
CONFIG_DFS_FILESYSTEM_TYPES_MAX=4 CONFIG_DFS_FILESYSTEM_TYPES_MAX=4
CONFIG_RT_USING_DFS_ELMFAT=y CONFIG_RT_USING_DFS_ELMFAT=y
@ -164,7 +164,12 @@ CONFIG_RT_USING_DFS_TMPFS=y
# CONFIG_RT_USING_DFS_MQUEUE is not set # CONFIG_RT_USING_DFS_MQUEUE is not set
# end of DFS: device virtual file system # end of DFS: device virtual file system
# CONFIG_RT_USING_FAL is not set CONFIG_RT_USING_FAL=y
# CONFIG_FAL_DEBUG_CONFIG is not set
CONFIG_FAL_DEBUG=0
CONFIG_FAL_PART_HAS_TABLE_CFG=y
CONFIG_FAL_USING_SFUD_PORT=y
CONFIG_FAL_USING_NOR_FLASH_DEV_NAME="W25Q128"
# #
# Device Drivers # Device Drivers
@ -188,7 +193,7 @@ CONFIG_RT_SERIAL_RB_BUFSZ=512
# CONFIG_RT_USING_ZERO is not set # CONFIG_RT_USING_ZERO is not set
# CONFIG_RT_USING_RANDOM is not set # CONFIG_RT_USING_RANDOM is not set
# CONFIG_RT_USING_PWM is not set # CONFIG_RT_USING_PWM is not set
# CONFIG_RT_USING_MTD_NOR is not set CONFIG_RT_USING_MTD_NOR=y
# CONFIG_RT_USING_MTD_NAND is not set # CONFIG_RT_USING_MTD_NAND is not set
# CONFIG_RT_USING_PM is not set # CONFIG_RT_USING_PM is not set
CONFIG_RT_USING_RTC=y CONFIG_RT_USING_RTC=y
@ -205,7 +210,12 @@ CONFIG_RT_USING_SPI=y
# CONFIG_RT_USING_SPI_BITOPS is not set # CONFIG_RT_USING_SPI_BITOPS is not set
CONFIG_RT_USING_QSPI=y CONFIG_RT_USING_QSPI=y
CONFIG_RT_USING_SPI_MSD=y CONFIG_RT_USING_SPI_MSD=y
# CONFIG_RT_USING_SFUD is not set CONFIG_RT_USING_SFUD=y
CONFIG_RT_SFUD_USING_SFDP=y
CONFIG_RT_SFUD_USING_FLASH_INFO_TABLE=y
CONFIG_RT_SFUD_USING_QSPI=y
CONFIG_RT_SFUD_SPI_MAX_HZ=50000000
# CONFIG_RT_DEBUG_SFUD is not set
# CONFIG_RT_USING_ENC28J60 is not set # CONFIG_RT_USING_ENC28J60 is not set
# CONFIG_RT_USING_SPI_WIFI is not set # CONFIG_RT_USING_SPI_WIFI is not set
# CONFIG_RT_USING_WDT is not set # CONFIG_RT_USING_WDT is not set
@ -660,7 +670,31 @@ CONFIG_PKG_SQLITE_DB_NAME_MAX_LEN=64
CONFIG_PKG_USING_SQLITE_V3193=y CONFIG_PKG_USING_SQLITE_V3193=y
# CONFIG_PKG_USING_RTI is not set # CONFIG_PKG_USING_RTI is not set
# CONFIG_PKG_USING_DFS_YAFFS is not set # CONFIG_PKG_USING_DFS_YAFFS is not set
# CONFIG_PKG_USING_LITTLEFS is not set CONFIG_PKG_USING_LITTLEFS=y
CONFIG_PKG_LITTLEFS_PATH="/packages/system/littlefs"
# CONFIG_PKG_USING_LITTLEFS_V090 is not set
# CONFIG_PKG_USING_LITTLEFS_V170 is not set
# CONFIG_PKG_USING_LITTLEFS_V172 is not set
# CONFIG_PKG_USING_LITTLEFS_V201 is not set
# CONFIG_PKG_USING_LITTLEFS_V205 is not set
# CONFIG_PKG_USING_LITTLEFS_V214 is not set
# CONFIG_PKG_USING_LITTLEFS_V220 is not set
# CONFIG_PKG_USING_LITTLEFS_V221 is not set
# CONFIG_PKG_USING_LITTLEFS_V230 is not set
# CONFIG_PKG_USING_LITTLEFS_V250 is not set
# CONFIG_PKG_USING_LITTLEFS_V293 is not set
CONFIG_PKG_USING_LITTLEFS_V2112=y
# CONFIG_PKG_USING_LITTLEFS_LATEST_VERSION is not set
CONFIG_LFS_READ_SIZE=256
CONFIG_LFS_PROG_SIZE=256
CONFIG_LFS_BLOCK_SIZE=4096
CONFIG_LFS_CACHE_SIZE=256
CONFIG_LFS_BLOCK_CYCLES=500
# CONFIG_DFS_LFS_READONLY is not set
CONFIG_LFS_THREADSAFE=y
CONFIG_LFS_LOOKAHEAD_MAX=128
CONFIG_RT_DEF_LFS_DRIVERS=2
CONFIG_PKG_LITTLEFS_VER="v2.11.2"
# CONFIG_PKG_USING_DFS_JFFS2 is not set # CONFIG_PKG_USING_DFS_JFFS2 is not set
# CONFIG_PKG_USING_DFS_UFFS is not set # CONFIG_PKG_USING_DFS_UFFS is not set
# CONFIG_PKG_USING_LWEXT4 is not set # CONFIG_PKG_USING_LWEXT4 is not set

497
.cproject
View File

@ -1,248 +1,255 @@
<?xml version="1.0" encoding="UTF-8" standalone="no"?> <?xml version="1.0" encoding="UTF-8" standalone="no"?>
<?fileVersion 4.0.0?><cproject storage_type_id="org.eclipse.cdt.core.XmlProjectDescriptionStorage"> <?fileVersion 4.0.0?><cproject storage_type_id="org.eclipse.cdt.core.XmlProjectDescriptionStorage">
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<externalSettings /> <externalSettings/>
<extensions> <extensions>
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/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2025-11-22 Administrator the first version
*//*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2025-11-22 Administrator the first version
*/
#include <rtthread.h>
#include <rtdevice.h>
#include "fal_cfg.h"
#include "spi_flash.h"
#include "spi_flash_sfud.h"
#include "drv_qspi.h"
#include "dfs_fs.h"
#include "fal.h"
/* 添加 DEBUG 头文件 */
#include <rtdbg.h>
char w25qxx_read_status_register2(struct rt_qspi_device *device)
{
/* 0x35 read status register2 */
char instruction = 0x35, status;
rt_qspi_send_then_recv(device, &instruction, 1, &status, 1);
return status;
}
void w25qxx_write_enable(struct rt_qspi_device *device)
{
/* 0x06 write enable */
char instruction = 0x06;
rt_qspi_send(device, &instruction, 1);
}
void w25qxx_enter_qspi_mode(struct rt_qspi_device *device)
{
char status = 0;
/* 0x38 enter qspi mode */
char instruction = 0x38;
char write_status2_buf[2] = {0};
/* 0x31 write status register2 */
write_status2_buf[0] = 0x31;
status = w25qxx_read_status_register2(device);
if (!(status & 0x02))
{
status |= 1 << 1;
w25qxx_write_enable(device);
write_status2_buf[1] = status;
rt_qspi_send(device, &write_status2_buf, 2);
rt_qspi_send(device, &instruction, 1);
LOG_D("flash already enter qspi mode");
rt_thread_mdelay(10);
}
}
int spi_flash_init(void)
{
rt_err_t ret = stm32_qspi_bus_attach_device("qspi1", "qspi10", RT_NULL, 4, w25qxx_enter_qspi_mode, RT_NULL);
if (ret != RT_EOK)
{
LOG_E("qspi attach device failed\n");
return -RT_ERROR;
}
/* init W25Q256 */
// spi_flash_dev_name 需要用配置文件内的，spi_dev_name实际是SPI挂在参数
if(rt_sfud_flash_probe(FAL_USING_NOR_FLASH_DEV_NAME, "qspi10") == RT_NULL)
{
LOG_E("rt sfud flash error");
return -1;
}
LOG_I("SFUD flash '%s' probed successfully.", FAL_USING_NOR_FLASH_DEV_NAME);
/* 初始化 fal */
int fal_ = fal_init();
if (fal_ > 0)
{
LOG_I("FAL Number of partitions = %d",fal_);
}else{
return -1;
}
/* 创建 MTD 块设备 */
if (fal_mtd_nor_device_create("sysdata") == RT_NULL)
{
LOG_E("Failed to create MTD device for sysdata!");
return -1;
}
LOG_I("MTD device 'sysdata' created.");
return RT_EOK;
}
INIT_DEVICE_EXPORT(spi_flash_init);
int qspi_fal(void)
{
LOG_I("Create file path /sys");
mkdir("/sys", 0777);
/* 挂载 littlefs */
if (dfs_mount("sysdata", "/sys", "lfs", 0, NULL) == RT_EOK)
{
LOG_I("Filesystem initialized!");
}
else
{
LOG_E("Format memory sysdata");
/* 格式化文件系统 */
dfs_mkfs("lfs", "sysdata");
/* 挂载 littlefs */
if (dfs_mount("sysdata", "/sys", "lfs", 0, NULL) == RT_EOK)
{
LOG_I("Filesystem initialized!");
}
else
{
LOG_E("Failed to initialize filesystem!");
}
}
return RT_EOK;
}
INIT_APP_EXPORT(qspi_fal);

2
applications/RUN_LED.c
View File

@ -4,7 +4,7 @@
#include"drv_common.h" #include"drv_common.h"
#include "RUN_LED.h" #include "RUN_LED.h"
#define LED_PIN GET_PIN(B,0) #define LED_PIN GET_PIN(B,1)
/* 线程 1 的入口函数 */ /* 线程 1 的入口函数 */
void RUN_LED(void *parameter) void RUN_LED(void *parameter)

4
applications/SDIO_elmfatfs.c
View File

@ -24,6 +24,7 @@ void sd_mount(void *parameter)
{ {
if (rt_device_find("sd") != RT_NULL) if (rt_device_find("sd") != RT_NULL)
{ {
LOG_I("Create file path /sddisk");
mkdir("/sddisk", 0777); mkdir("/sddisk", 0777);
if (dfs_mount("sd", "/sddisk", "elm", 0, NULL) == RT_EOK) if (dfs_mount("sd", "/sddisk", "elm", 0, NULL) == RT_EOK)
{ {
@ -54,7 +55,6 @@ void sd_mount(void *parameter)
int stm32_sdcard_mount(void) int stm32_sdcard_mount(void)
{ {
rt_thread_t tid; rt_thread_t tid;
rt_thread_mdelay(1000);
// 删除旧的信号量（如果存在） // 删除旧的信号量（如果存在）
if (mount_sem != RT_NULL) if (mount_sem != RT_NULL)
{ {
@ -72,7 +72,7 @@ int stm32_sdcard_mount(void)
tid = rt_thread_create("sd_mount", tid = rt_thread_create("sd_mount",
sd_mount, sd_mount,
RT_NULL, RT_NULL,
1024*6, // 避免溢出 1024*2, // 避免溢出
RT_THREAD_PRIORITY_MAX - 2, RT_THREAD_PRIORITY_MAX - 2,
20); 20);
if (tid != RT_NULL) if (tid != RT_NULL)

4
applications/TMPFS_root.c
View File

@ -28,11 +28,11 @@ int init_tmpfs_root(void)
if (mkdir("/run", 0777) == 0) { if (mkdir("/run", 0777) == 0) {
LOG_I("Created /run directory"); LOG_I("Created /run directory");
} else { } else {
LOG_E("mkdir failed, errno=%d", errno); LOG_E("mkdir failed, errno = %d", errno);
} }
return 0; return 0;
} }
/* 在应用初始化阶段运行（确保系统已就绪） */ /* 在应用初始化阶段运行（确保系统已就绪） */
INIT_APP_EXPORT(init_tmpfs_root); INIT_DEVICE_EXPORT(init_tmpfs_root);

30
applications/fal_cfg.h
View File

@ -0,0 +1,30 @@
/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2025-11-22 Administrator the first version
*/
#ifndef _FAL_CFG_H_
#define _FAL_CFG_H_
#include <rtconfig.h>
#include <fal.h>
extern struct fal_flash_dev nor_flash0;
/* flash device table */
#define FAL_FLASH_DEV_TABLE \
{ \
&nor_flash0, \
}
/* 分区表：根据你的需求划分 */
#define FAL_PART_TABLE \
{ \
{FAL_PART_MAGIC_WORD, "sysdata","W25Q128", 0, 16 * 1024 * 1024, 0 }, \
}
#endif /* _FAL_CFG_H_ */

4
cubemx/.mxproject
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File diff suppressed because one or more lines are too long

747
cubemx/Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_qspi.h
View File

@ -0,0 +1,747 @@
/**
******************************************************************************
* @file stm32h7xx_hal_qspi.h
* @author MCD Application Team
* @brief Header file of QSPI HAL module.
******************************************************************************
* @attention
*
* Copyright (c) 2017 STMicroelectronics.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef STM32H7xx_HAL_QSPI_H
#define STM32H7xx_HAL_QSPI_H
#ifdef __cplusplus
extern "C" {
#endif
/* Includes ------------------------------------------------------------------*/
#include "stm32h7xx_hal_def.h"
#if defined (DLYB_QUADSPI)
#include "stm32h7xx_ll_delayblock.h"
#endif /* DLYB_QUADSPI */
#if defined(QUADSPI)
/** @addtogroup STM32H7xx_HAL_Driver
* @{
*/
/** @addtogroup QSPI
* @{
*/
/* Exported types ------------------------------------------------------------*/
/** @defgroup QSPI_Exported_Types QSPI Exported Types
* @{
*/
/**
* @brief QSPI Init structure definition
*/
typedef struct
{
uint32_t ClockPrescaler; /* Specifies the prescaler factor for generating clock based on the AHB clock.
This parameter can be a number between 0 and 255 */
uint32_t FifoThreshold; /* Specifies the threshold number of bytes in the FIFO (used only in indirect mode)
This parameter can be a value between 1 and 32 */
uint32_t SampleShifting; /* Specifies the Sample Shift. The data is sampled 1/2 clock cycle delay later to
take in account external signal delays. (It should be QSPI_SAMPLE_SHIFTING_NONE in DDR mode)
This parameter can be a value of @ref QSPI_SampleShifting */
uint32_t FlashSize; /* Specifies the Flash Size. FlashSize+1 is effectively the number of address bits
required to address the flash memory. The flash capacity can be up to 4GB
(addressed using 32 bits) in indirect mode, but the addressable space in
memory-mapped mode is limited to 256MB
This parameter can be a number between 0 and 31 */
uint32_t ChipSelectHighTime; /* Specifies the Chip Select High Time. ChipSelectHighTime+1 defines the minimum number
of clock cycles which the chip select must remain high between commands.
This parameter can be a value of @ref QSPI_ChipSelectHighTime */
uint32_t ClockMode; /* Specifies the Clock Mode. It indicates the level that clock takes between commands.
This parameter can be a value of @ref QSPI_ClockMode */
uint32_t FlashID; /* Specifies the Flash which will be used,
This parameter can be a value of @ref QSPI_Flash_Select */
uint32_t DualFlash; /* Specifies the Dual Flash Mode State
This parameter can be a value of @ref QSPI_DualFlash_Mode */
}QSPI_InitTypeDef;
/**
* @brief HAL QSPI State structures definition
*/
typedef enum
{
HAL_QSPI_STATE_RESET = 0x00U, /*!< Peripheral not initialized */
HAL_QSPI_STATE_READY = 0x01U, /*!< Peripheral initialized and ready for use */
HAL_QSPI_STATE_BUSY = 0x02U, /*!< Peripheral in indirect mode and busy */
HAL_QSPI_STATE_BUSY_INDIRECT_TX = 0x12U, /*!< Peripheral in indirect mode with transmission ongoing */
HAL_QSPI_STATE_BUSY_INDIRECT_RX = 0x22U, /*!< Peripheral in indirect mode with reception ongoing */
HAL_QSPI_STATE_BUSY_AUTO_POLLING = 0x42U, /*!< Peripheral in auto polling mode ongoing */
HAL_QSPI_STATE_BUSY_MEM_MAPPED = 0x82U, /*!< Peripheral in memory mapped mode ongoing */
HAL_QSPI_STATE_ABORT = 0x08U, /*!< Peripheral with abort request ongoing */
HAL_QSPI_STATE_ERROR = 0x04U /*!< Peripheral in error */
}HAL_QSPI_StateTypeDef;
/**
* @brief QSPI Handle Structure definition
*/
#if (USE_HAL_QSPI_REGISTER_CALLBACKS == 1)
typedef struct __QSPI_HandleTypeDef
#else
typedef struct
#endif
{
QUADSPI_TypeDef *Instance; /* QSPI registers base address */
QSPI_InitTypeDef Init; /* QSPI communication parameters */
uint8_t *pTxBuffPtr; /* Pointer to QSPI Tx transfer Buffer */
__IO uint32_t TxXferSize; /* QSPI Tx Transfer size */
__IO uint32_t TxXferCount; /* QSPI Tx Transfer Counter */
uint8_t *pRxBuffPtr; /* Pointer to QSPI Rx transfer Buffer */
__IO uint32_t RxXferSize; /* QSPI Rx Transfer size */
__IO uint32_t RxXferCount; /* QSPI Rx Transfer Counter */
MDMA_HandleTypeDef *hmdma; /* QSPI Rx/Tx MDMA Handle parameters */
__IO HAL_LockTypeDef Lock; /* Locking object */
__IO HAL_QSPI_StateTypeDef State; /* QSPI communication state */
__IO uint32_t ErrorCode; /* QSPI Error code */
uint32_t Timeout; /* Timeout for the QSPI memory access */
#if (USE_HAL_QSPI_REGISTER_CALLBACKS == 1)
void (* ErrorCallback) (struct __QSPI_HandleTypeDef *hqspi);
void (* AbortCpltCallback) (struct __QSPI_HandleTypeDef *hqspi);
void (* FifoThresholdCallback)(struct __QSPI_HandleTypeDef *hqspi);
void (* CmdCpltCallback) (struct __QSPI_HandleTypeDef *hqspi);
void (* RxCpltCallback) (struct __QSPI_HandleTypeDef *hqspi);
void (* TxCpltCallback) (struct __QSPI_HandleTypeDef *hqspi);
void (* StatusMatchCallback) (struct __QSPI_HandleTypeDef *hqspi);
void (* TimeOutCallback) (struct __QSPI_HandleTypeDef *hqspi);
void (* MspInitCallback) (struct __QSPI_HandleTypeDef *hqspi);
void (* MspDeInitCallback) (struct __QSPI_HandleTypeDef *hqspi);
#endif
}QSPI_HandleTypeDef;
/**
* @brief QSPI Command structure definition
*/
typedef struct
{
uint32_t Instruction; /* Specifies the Instruction to be sent
This parameter can be a value (8-bit) between 0x00 and 0xFF */
uint32_t Address; /* Specifies the Address to be sent (Size from 1 to 4 bytes according AddressSize)
This parameter can be a value (32-bits) between 0x0 and 0xFFFFFFFF */
uint32_t AlternateBytes; /* Specifies the Alternate Bytes to be sent (Size from 1 to 4 bytes according AlternateBytesSize)
This parameter can be a value (32-bits) between 0x0 and 0xFFFFFFFF */
uint32_t AddressSize; /* Specifies the Address Size
This parameter can be a value of @ref QSPI_AddressSize */
uint32_t AlternateBytesSize; /* Specifies the Alternate Bytes Size
This parameter can be a value of @ref QSPI_AlternateBytesSize */
uint32_t DummyCycles; /* Specifies the Number of Dummy Cycles.
This parameter can be a number between 0 and 31 */
uint32_t InstructionMode; /* Specifies the Instruction Mode
This parameter can be a value of @ref QSPI_InstructionMode */
uint32_t AddressMode; /* Specifies the Address Mode
This parameter can be a value of @ref QSPI_AddressMode */
uint32_t AlternateByteMode; /* Specifies the Alternate Bytes Mode
This parameter can be a value of @ref QSPI_AlternateBytesMode */
uint32_t DataMode; /* Specifies the Data Mode (used for dummy cycles and data phases)
This parameter can be a value of @ref QSPI_DataMode */
uint32_t NbData; /* Specifies the number of data to transfer. (This is the number of bytes)
This parameter can be any value between 0 and 0xFFFFFFFF (0 means undefined length
until end of memory)*/
uint32_t DdrMode; /* Specifies the double data rate mode for address, alternate byte and data phase
This parameter can be a value of @ref QSPI_DdrMode */
uint32_t DdrHoldHalfCycle; /* Specifies if the DDR hold is enabled. When enabled it delays the data
output by one half of system clock in DDR mode.
This parameter can be a value of @ref QSPI_DdrHoldHalfCycle */
uint32_t SIOOMode; /* Specifies the send instruction only once mode
This parameter can be a value of @ref QSPI_SIOOMode */
}QSPI_CommandTypeDef;
/**
* @brief QSPI Auto Polling mode configuration structure definition
*/
typedef struct
{
uint32_t Match; /* Specifies the value to be compared with the masked status register to get a match.
This parameter can be any value between 0 and 0xFFFFFFFF */
uint32_t Mask; /* Specifies the mask to be applied to the status bytes received.
This parameter can be any value between 0 and 0xFFFFFFFF */
uint32_t Interval; /* Specifies the number of clock cycles between two read during automatic polling phases.
This parameter can be any value between 0 and 0xFFFF */
uint32_t StatusBytesSize; /* Specifies the size of the status bytes received.
This parameter can be any value between 1 and 4 */
uint32_t MatchMode; /* Specifies the method used for determining a match.
This parameter can be a value of @ref QSPI_MatchMode */
uint32_t AutomaticStop; /* Specifies if automatic polling is stopped after a match.
This parameter can be a value of @ref QSPI_AutomaticStop */
}QSPI_AutoPollingTypeDef;
/**
* @brief QSPI Memory Mapped mode configuration structure definition
*/
typedef struct
{
uint32_t TimeOutPeriod; /* Specifies the number of clock to wait when the FIFO is full before to release the chip select.
This parameter can be any value between 0 and 0xFFFF */
uint32_t TimeOutActivation; /* Specifies if the timeout counter is enabled to release the chip select.
This parameter can be a value of @ref QSPI_TimeOutActivation */
}QSPI_MemoryMappedTypeDef;
#if (USE_HAL_QSPI_REGISTER_CALLBACKS == 1)
/**
* @brief HAL QSPI Callback ID enumeration definition
*/
typedef enum
{
HAL_QSPI_ERROR_CB_ID = 0x00U, /*!< QSPI Error Callback ID */
HAL_QSPI_ABORT_CB_ID = 0x01U, /*!< QSPI Abort Callback ID */
HAL_QSPI_FIFO_THRESHOLD_CB_ID = 0x02U, /*!< QSPI FIFO Threshold Callback ID */
HAL_QSPI_CMD_CPLT_CB_ID = 0x03U, /*!< QSPI Command Complete Callback ID */
HAL_QSPI_RX_CPLT_CB_ID = 0x04U, /*!< QSPI Rx Complete Callback ID */
HAL_QSPI_TX_CPLT_CB_ID = 0x05U, /*!< QSPI Tx Complete Callback ID */
HAL_QSPI_STATUS_MATCH_CB_ID = 0x08U, /*!< QSPI Status Match Callback ID */
HAL_QSPI_TIMEOUT_CB_ID = 0x09U, /*!< QSPI Timeout Callback ID */
HAL_QSPI_MSP_INIT_CB_ID = 0x0AU, /*!< QSPI MspInit Callback ID */
HAL_QSPI_MSP_DEINIT_CB_ID = 0x0B0 /*!< QSPI MspDeInit Callback ID */
}HAL_QSPI_CallbackIDTypeDef;
/**
* @brief HAL QSPI Callback pointer definition
*/
typedef void (*pQSPI_CallbackTypeDef)(QSPI_HandleTypeDef *hqspi);
#endif
/**
* @}
*/
/* Exported constants --------------------------------------------------------*/
/** @defgroup QSPI_Exported_Constants QSPI Exported Constants
* @{
*/
/** @defgroup QSPI_ErrorCode QSPI Error Code
* @{
*/
#define HAL_QSPI_ERROR_NONE 0x00000000U /*!< No error */
#define HAL_QSPI_ERROR_TIMEOUT 0x00000001U /*!< Timeout error */
#define HAL_QSPI_ERROR_TRANSFER 0x00000002U /*!< Transfer error */
#define HAL_QSPI_ERROR_DMA 0x00000004U /*!< DMA transfer error */
#define HAL_QSPI_ERROR_INVALID_PARAM 0x00000008U /*!< Invalid parameters error */
#if (USE_HAL_QSPI_REGISTER_CALLBACKS == 1)
#define HAL_QSPI_ERROR_INVALID_CALLBACK 0x00000010U /*!< Invalid callback error */
#endif
/**
* @}
*/
/** @defgroup QSPI_SampleShifting QSPI Sample Shifting
* @{
*/
#define QSPI_SAMPLE_SHIFTING_NONE 0x00000000U /*!<No clock cycle shift to sample data*/
#define QSPI_SAMPLE_SHIFTING_HALFCYCLE ((uint32_t)QUADSPI_CR_SSHIFT) /*!<1/2 clock cycle shift to sample data*/
/**
* @}
*/
/** @defgroup QSPI_ChipSelectHighTime QSPI ChipSelect High Time
* @{
*/
#define QSPI_CS_HIGH_TIME_1_CYCLE 0x00000000U /*!<nCS stay high for at least 1 clock cycle between commands*/
#define QSPI_CS_HIGH_TIME_2_CYCLE ((uint32_t)QUADSPI_DCR_CSHT_0) /*!<nCS stay high for at least 2 clock cycles between commands*/
#define QSPI_CS_HIGH_TIME_3_CYCLE ((uint32_t)QUADSPI_DCR_CSHT_1) /*!<nCS stay high for at least 3 clock cycles between commands*/
#define QSPI_CS_HIGH_TIME_4_CYCLE ((uint32_t)QUADSPI_DCR_CSHT_0 | QUADSPI_DCR_CSHT_1) /*!<nCS stay high for at least 4 clock cycles between commands*/
#define QSPI_CS_HIGH_TIME_5_CYCLE ((uint32_t)QUADSPI_DCR_CSHT_2) /*!<nCS stay high for at least 5 clock cycles between commands*/
#define QSPI_CS_HIGH_TIME_6_CYCLE ((uint32_t)QUADSPI_DCR_CSHT_2 | QUADSPI_DCR_CSHT_0) /*!<nCS stay high for at least 6 clock cycles between commands*/
#define QSPI_CS_HIGH_TIME_7_CYCLE ((uint32_t)QUADSPI_DCR_CSHT_2 | QUADSPI_DCR_CSHT_1) /*!<nCS stay high for at least 7 clock cycles between commands*/
#define QSPI_CS_HIGH_TIME_8_CYCLE ((uint32_t)QUADSPI_DCR_CSHT) /*!<nCS stay high for at least 8 clock cycles between commands*/
/**
* @}
*/
/** @defgroup QSPI_ClockMode QSPI Clock Mode
* @{
*/
#define QSPI_CLOCK_MODE_0 0x00000000U /*!<Clk stays low while nCS is released*/
#define QSPI_CLOCK_MODE_3 ((uint32_t)QUADSPI_DCR_CKMODE) /*!<Clk goes high while nCS is released*/
/**
* @}
*/
/** @defgroup QSPI_Flash_Select QSPI Flash Select
* @{
*/
#define QSPI_FLASH_ID_1 0x00000000U /*!<FLASH 1 selected*/
#define QSPI_FLASH_ID_2 ((uint32_t)QUADSPI_CR_FSEL) /*!<FLASH 2 selected*/
/**
* @}
*/
/** @defgroup QSPI_DualFlash_Mode QSPI Dual Flash Mode
* @{
*/
#define QSPI_DUALFLASH_ENABLE ((uint32_t)QUADSPI_CR_DFM) /*!<Dual-flash mode enabled*/
#define QSPI_DUALFLASH_DISABLE 0x00000000U /*!<Dual-flash mode disabled*/
/**
* @}
*/
/** @defgroup QSPI_AddressSize QSPI Address Size
* @{
*/
#define QSPI_ADDRESS_8_BITS 0x00000000U /*!<8-bit address*/
#define QSPI_ADDRESS_16_BITS ((uint32_t)QUADSPI_CCR_ADSIZE_0) /*!<16-bit address*/
#define QSPI_ADDRESS_24_BITS ((uint32_t)QUADSPI_CCR_ADSIZE_1) /*!<24-bit address*/
#define QSPI_ADDRESS_32_BITS ((uint32_t)QUADSPI_CCR_ADSIZE) /*!<32-bit address*/
/**
* @}
*/
/** @defgroup QSPI_AlternateBytesSize QSPI Alternate Bytes Size
* @{
*/
#define QSPI_ALTERNATE_BYTES_8_BITS 0x00000000U /*!<8-bit alternate bytes*/
#define QSPI_ALTERNATE_BYTES_16_BITS ((uint32_t)QUADSPI_CCR_ABSIZE_0) /*!<16-bit alternate bytes*/
#define QSPI_ALTERNATE_BYTES_24_BITS ((uint32_t)QUADSPI_CCR_ABSIZE_1) /*!<24-bit alternate bytes*/
#define QSPI_ALTERNATE_BYTES_32_BITS ((uint32_t)QUADSPI_CCR_ABSIZE) /*!<32-bit alternate bytes*/
/**
* @}
*/
/** @defgroup QSPI_InstructionMode QSPI Instruction Mode
* @{
*/
#define QSPI_INSTRUCTION_NONE 0x00000000U /*!<No instruction*/
#define QSPI_INSTRUCTION_1_LINE ((uint32_t)QUADSPI_CCR_IMODE_0) /*!<Instruction on a single line*/
#define QSPI_INSTRUCTION_2_LINES ((uint32_t)QUADSPI_CCR_IMODE_1) /*!<Instruction on two lines*/
#define QSPI_INSTRUCTION_4_LINES ((uint32_t)QUADSPI_CCR_IMODE) /*!<Instruction on four lines*/
/**
* @}
*/
/** @defgroup QSPI_AddressMode QSPI Address Mode
* @{
*/
#define QSPI_ADDRESS_NONE 0x00000000U /*!<No address*/
#define QSPI_ADDRESS_1_LINE ((uint32_t)QUADSPI_CCR_ADMODE_0) /*!<Address on a single line*/
#define QSPI_ADDRESS_2_LINES ((uint32_t)QUADSPI_CCR_ADMODE_1) /*!<Address on two lines*/
#define QSPI_ADDRESS_4_LINES ((uint32_t)QUADSPI_CCR_ADMODE) /*!<Address on four lines*/
/**
* @}
*/
/** @defgroup QSPI_AlternateBytesMode QSPI Alternate Bytes Mode
* @{
*/
#define QSPI_ALTERNATE_BYTES_NONE 0x00000000U /*!<No alternate bytes*/
#define QSPI_ALTERNATE_BYTES_1_LINE ((uint32_t)QUADSPI_CCR_ABMODE_0) /*!<Alternate bytes on a single line*/
#define QSPI_ALTERNATE_BYTES_2_LINES ((uint32_t)QUADSPI_CCR_ABMODE_1) /*!<Alternate bytes on two lines*/
#define QSPI_ALTERNATE_BYTES_4_LINES ((uint32_t)QUADSPI_CCR_ABMODE) /*!<Alternate bytes on four lines*/
/**
* @}
*/
/** @defgroup QSPI_DataMode QSPI Data Mode
* @{
*/
#define QSPI_DATA_NONE 0x00000000U /*!<No data*/
#define QSPI_DATA_1_LINE ((uint32_t)QUADSPI_CCR_DMODE_0) /*!<Data on a single line*/
#define QSPI_DATA_2_LINES ((uint32_t)QUADSPI_CCR_DMODE_1) /*!<Data on two lines*/
#define QSPI_DATA_4_LINES ((uint32_t)QUADSPI_CCR_DMODE) /*!<Data on four lines*/
/**
* @}
*/
/** @defgroup QSPI_DdrMode QSPI DDR Mode
* @{
*/
#define QSPI_DDR_MODE_DISABLE 0x00000000U /*!<Double data rate mode disabled*/
#define QSPI_DDR_MODE_ENABLE ((uint32_t)QUADSPI_CCR_DDRM) /*!<Double data rate mode enabled*/
/**
* @}
*/
/** @defgroup QSPI_DdrHoldHalfCycle QSPI DDR Data Output Delay
* @{
*/
#define QSPI_DDR_HHC_ANALOG_DELAY 0x00000000U /*!<Delay the data output using analog delay in DDR mode*/
#define QSPI_DDR_HHC_HALF_CLK_DELAY ((uint32_t)QUADSPI_CCR_DHHC) /*!<Delay the data output by one half of system clock in DDR mode*/
/**
* @}
*/
/** @defgroup QSPI_SIOOMode QSPI Send Instruction Mode
* @{
*/
#define QSPI_SIOO_INST_EVERY_CMD 0x00000000U /*!<Send instruction on every transaction*/
#define QSPI_SIOO_INST_ONLY_FIRST_CMD ((uint32_t)QUADSPI_CCR_SIOO) /*!<Send instruction only for the first command*/
/**
* @}
*/
/** @defgroup QSPI_MatchMode QSPI Match Mode
* @{
*/
#define QSPI_MATCH_MODE_AND 0x00000000U /*!<AND match mode between unmasked bits*/
#define QSPI_MATCH_MODE_OR ((uint32_t)QUADSPI_CR_PMM) /*!<OR match mode between unmasked bits*/
/**
* @}
*/
/** @defgroup QSPI_AutomaticStop QSPI Automatic Stop
* @{
*/
#define QSPI_AUTOMATIC_STOP_DISABLE 0x00000000U /*!<AutoPolling stops only with abort or QSPI disabling*/
#define QSPI_AUTOMATIC_STOP_ENABLE ((uint32_t)QUADSPI_CR_APMS) /*!<AutoPolling stops as soon as there is a match*/
/**
* @}
*/
/** @defgroup QSPI_TimeOutActivation QSPI Timeout Activation
* @{
*/
#define QSPI_TIMEOUT_COUNTER_DISABLE 0x00000000U /*!<Timeout counter disabled, nCS remains active*/
#define QSPI_TIMEOUT_COUNTER_ENABLE ((uint32_t)QUADSPI_CR_TCEN) /*!<Timeout counter enabled, nCS released when timeout expires*/
/**
* @}
*/
/** @defgroup QSPI_Flags QSPI Flags
* @{
*/
#define QSPI_FLAG_BUSY QUADSPI_SR_BUSY /*!<Busy flag: operation is ongoing*/
#define QSPI_FLAG_TO QUADSPI_SR_TOF /*!<Timeout flag: timeout occurs in memory-mapped mode*/
#define QSPI_FLAG_SM QUADSPI_SR_SMF /*!<Status match flag: received data matches in autopolling mode*/
#define QSPI_FLAG_FT QUADSPI_SR_FTF /*!<Fifo threshold flag: Fifo threshold reached or data left after read from memory is complete*/
#define QSPI_FLAG_TC QUADSPI_SR_TCF /*!<Transfer complete flag: programmed number of data have been transferred or the transfer has been aborted*/
#define QSPI_FLAG_TE QUADSPI_SR_TEF /*!<Transfer error flag: invalid address is being accessed*/
/**
* @}
*/
/** @defgroup QSPI_Interrupts QSPI Interrupts
* @{
*/
#define QSPI_IT_TO QUADSPI_CR_TOIE /*!<Interrupt on the timeout flag*/
#define QSPI_IT_SM QUADSPI_CR_SMIE /*!<Interrupt on the status match flag*/
#define QSPI_IT_FT QUADSPI_CR_FTIE /*!<Interrupt on the fifo threshold flag*/
#define QSPI_IT_TC QUADSPI_CR_TCIE /*!<Interrupt on the transfer complete flag*/
#define QSPI_IT_TE QUADSPI_CR_TEIE /*!<Interrupt on the transfer error flag*/
/**
* @}
*/
/** @defgroup QSPI_Timeout_definition QSPI Timeout definition
* @brief QSPI Timeout definition
* @{
*/
#define HAL_QSPI_TIMEOUT_DEFAULT_VALUE 5000U /* 5 s */
/**
* @}
*/
/**
* @}
*/
/* Exported macros -----------------------------------------------------------*/
/** @defgroup QSPI_Exported_Macros QSPI Exported Macros
* @{
*/
/** @brief Reset QSPI handle state.
* @param __HANDLE__ QSPI handle.
* @retval None
*/
#if (USE_HAL_QSPI_REGISTER_CALLBACKS == 1)
#define __HAL_QSPI_RESET_HANDLE_STATE(__HANDLE__) do { \
(__HANDLE__)->State = HAL_QSPI_STATE_RESET; \
(__HANDLE__)->MspInitCallback = NULL; \
(__HANDLE__)->MspDeInitCallback = NULL; \
} while(0)
#else
#define __HAL_QSPI_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_QSPI_STATE_RESET)
#endif
/** @brief Enable the QSPI peripheral.
* @param __HANDLE__ specifies the QSPI Handle.
* @retval None
*/
#define __HAL_QSPI_ENABLE(__HANDLE__) SET_BIT((__HANDLE__)->Instance->CR, QUADSPI_CR_EN)
/** @brief Disable the QSPI peripheral.
* @param __HANDLE__ specifies the QSPI Handle.
* @retval None
*/
#define __HAL_QSPI_DISABLE(__HANDLE__) CLEAR_BIT((__HANDLE__)->Instance->CR, QUADSPI_CR_EN)
/** @brief Enable the specified QSPI interrupt.
* @param __HANDLE__ specifies the QSPI Handle.
* @param __INTERRUPT__ specifies the QSPI interrupt source to enable.
* This parameter can be one of the following values:
* @arg QSPI_IT_TO: QSPI Timeout interrupt
* @arg QSPI_IT_SM: QSPI Status match interrupt
* @arg QSPI_IT_FT: QSPI FIFO threshold interrupt
* @arg QSPI_IT_TC: QSPI Transfer complete interrupt
* @arg QSPI_IT_TE: QSPI Transfer error interrupt
* @retval None
*/
#define __HAL_QSPI_ENABLE_IT(__HANDLE__, __INTERRUPT__) SET_BIT((__HANDLE__)->Instance->CR, (__INTERRUPT__))
/** @brief Disable the specified QSPI interrupt.
* @param __HANDLE__ specifies the QSPI Handle.
* @param __INTERRUPT__ specifies the QSPI interrupt source to disable.
* This parameter can be one of the following values:
* @arg QSPI_IT_TO: QSPI Timeout interrupt
* @arg QSPI_IT_SM: QSPI Status match interrupt
* @arg QSPI_IT_FT: QSPI FIFO threshold interrupt
* @arg QSPI_IT_TC: QSPI Transfer complete interrupt
* @arg QSPI_IT_TE: QSPI Transfer error interrupt
* @retval None
*/
#define __HAL_QSPI_DISABLE_IT(__HANDLE__, __INTERRUPT__) CLEAR_BIT((__HANDLE__)->Instance->CR, (__INTERRUPT__))
/** @brief Check whether the specified QSPI interrupt source is enabled or not.
* @param __HANDLE__ specifies the QSPI Handle.
* @param __INTERRUPT__ specifies the QSPI interrupt source to check.
* This parameter can be one of the following values:
* @arg QSPI_IT_TO: QSPI Timeout interrupt
* @arg QSPI_IT_SM: QSPI Status match interrupt
* @arg QSPI_IT_FT: QSPI FIFO threshold interrupt
* @arg QSPI_IT_TC: QSPI Transfer complete interrupt
* @arg QSPI_IT_TE: QSPI Transfer error interrupt
* @retval The new state of __INTERRUPT__ (TRUE or FALSE).
*/
#define __HAL_QSPI_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) (READ_BIT((__HANDLE__)->Instance->CR, (__INTERRUPT__)) == (__INTERRUPT__))
/**
* @brief Check whether the selected QSPI flag is set or not.
* @param __HANDLE__ specifies the QSPI Handle.
* @param __FLAG__ specifies the QSPI flag to check.
* This parameter can be one of the following values:
* @arg QSPI_FLAG_BUSY: QSPI Busy flag
* @arg QSPI_FLAG_TO: QSPI Timeout flag
* @arg QSPI_FLAG_SM: QSPI Status match flag
* @arg QSPI_FLAG_FT: QSPI FIFO threshold flag
* @arg QSPI_FLAG_TC: QSPI Transfer complete flag
* @arg QSPI_FLAG_TE: QSPI Transfer error flag
* @retval None
*/
#define __HAL_QSPI_GET_FLAG(__HANDLE__, __FLAG__) ((READ_BIT((__HANDLE__)->Instance->SR, (__FLAG__)) != 0U) ? SET : RESET)
/** @brief Clears the specified QSPI's flag status.
* @param __HANDLE__ specifies the QSPI Handle.
* @param __FLAG__ specifies the QSPI clear register flag that needs to be set
* This parameter can be one of the following values:
* @arg QSPI_FLAG_TO: QSPI Timeout flag
* @arg QSPI_FLAG_SM: QSPI Status match flag
* @arg QSPI_FLAG_TC: QSPI Transfer complete flag
* @arg QSPI_FLAG_TE: QSPI Transfer error flag
* @retval None
*/
#define __HAL_QSPI_CLEAR_FLAG(__HANDLE__, __FLAG__) WRITE_REG((__HANDLE__)->Instance->FCR, (__FLAG__))
/**
* @}
*/
/* Exported functions --------------------------------------------------------*/
/** @addtogroup QSPI_Exported_Functions
* @{
*/
/** @addtogroup QSPI_Exported_Functions_Group1
* @{
*/
/* Initialization/de-initialization functions ********************************/
HAL_StatusTypeDef HAL_QSPI_Init (QSPI_HandleTypeDef *hqspi);
HAL_StatusTypeDef HAL_QSPI_DeInit (QSPI_HandleTypeDef *hqspi);
void HAL_QSPI_MspInit (QSPI_HandleTypeDef *hqspi);
void HAL_QSPI_MspDeInit(QSPI_HandleTypeDef *hqspi);
/**
* @}
*/
/** @addtogroup QSPI_Exported_Functions_Group2
* @{
*/
/* IO operation functions *****************************************************/
/* QSPI IRQ handler method */
void HAL_QSPI_IRQHandler(QSPI_HandleTypeDef *hqspi);
/* QSPI indirect mode */
HAL_StatusTypeDef HAL_QSPI_Command (QSPI_HandleTypeDef *hqspi, QSPI_CommandTypeDef *cmd, uint32_t Timeout);
HAL_StatusTypeDef HAL_QSPI_Transmit (QSPI_HandleTypeDef *hqspi, uint8_t *pData, uint32_t Timeout);
HAL_StatusTypeDef HAL_QSPI_Receive (QSPI_HandleTypeDef *hqspi, uint8_t *pData, uint32_t Timeout);
HAL_StatusTypeDef HAL_QSPI_Command_IT (QSPI_HandleTypeDef *hqspi, QSPI_CommandTypeDef *cmd);
HAL_StatusTypeDef HAL_QSPI_Transmit_IT (QSPI_HandleTypeDef *hqspi, uint8_t *pData);
HAL_StatusTypeDef HAL_QSPI_Receive_IT (QSPI_HandleTypeDef *hqspi, uint8_t *pData);
HAL_StatusTypeDef HAL_QSPI_Transmit_DMA (QSPI_HandleTypeDef *hqspi, uint8_t *pData);
HAL_StatusTypeDef HAL_QSPI_Receive_DMA (QSPI_HandleTypeDef *hqspi, uint8_t *pData);
/* QSPI status flag polling mode */
HAL_StatusTypeDef HAL_QSPI_AutoPolling (QSPI_HandleTypeDef *hqspi, QSPI_CommandTypeDef *cmd, QSPI_AutoPollingTypeDef *cfg, uint32_t Timeout);
HAL_StatusTypeDef HAL_QSPI_AutoPolling_IT(QSPI_HandleTypeDef *hqspi, QSPI_CommandTypeDef *cmd, QSPI_AutoPollingTypeDef *cfg);
/* QSPI memory-mapped mode */
HAL_StatusTypeDef HAL_QSPI_MemoryMapped(QSPI_HandleTypeDef *hqspi, QSPI_CommandTypeDef *cmd, QSPI_MemoryMappedTypeDef *cfg);
/* Callback functions in non-blocking modes ***********************************/
void HAL_QSPI_ErrorCallback (QSPI_HandleTypeDef *hqspi);
void HAL_QSPI_AbortCpltCallback (QSPI_HandleTypeDef *hqspi);
void HAL_QSPI_FifoThresholdCallback(QSPI_HandleTypeDef *hqspi);
/* QSPI indirect mode */
void HAL_QSPI_CmdCpltCallback (QSPI_HandleTypeDef *hqspi);
void HAL_QSPI_RxCpltCallback (QSPI_HandleTypeDef *hqspi);
void HAL_QSPI_TxCpltCallback (QSPI_HandleTypeDef *hqspi);
/* QSPI status flag polling mode */
void HAL_QSPI_StatusMatchCallback (QSPI_HandleTypeDef *hqspi);
/* QSPI memory-mapped mode */
void HAL_QSPI_TimeOutCallback (QSPI_HandleTypeDef *hqspi);
#if (USE_HAL_QSPI_REGISTER_CALLBACKS == 1)
/* QSPI callback registering/unregistering */
HAL_StatusTypeDef HAL_QSPI_RegisterCallback (QSPI_HandleTypeDef *hqspi, HAL_QSPI_CallbackIDTypeDef CallbackId, pQSPI_CallbackTypeDef pCallback);
HAL_StatusTypeDef HAL_QSPI_UnRegisterCallback (QSPI_HandleTypeDef *hqspi, HAL_QSPI_CallbackIDTypeDef CallbackId);
#endif
/**
* @}
*/
/** @addtogroup QSPI_Exported_Functions_Group3
* @{
*/
/* Peripheral Control and State functions ************************************/
HAL_QSPI_StateTypeDef HAL_QSPI_GetState (const QSPI_HandleTypeDef *hqspi);
uint32_t HAL_QSPI_GetError (const QSPI_HandleTypeDef *hqspi);
HAL_StatusTypeDef HAL_QSPI_Abort (QSPI_HandleTypeDef *hqspi);
HAL_StatusTypeDef HAL_QSPI_Abort_IT (QSPI_HandleTypeDef *hqspi);
void HAL_QSPI_SetTimeout (QSPI_HandleTypeDef *hqspi, uint32_t Timeout);
HAL_StatusTypeDef HAL_QSPI_SetFifoThreshold(QSPI_HandleTypeDef *hqspi, uint32_t Threshold);
uint32_t HAL_QSPI_GetFifoThreshold(const QSPI_HandleTypeDef *hqspi);
HAL_StatusTypeDef HAL_QSPI_SetFlashID (QSPI_HandleTypeDef *hqspi, uint32_t FlashID);
/**
* @}
*/
/**
* @}
*/
/* End of exported functions -------------------------------------------------*/
/* Private macros ------------------------------------------------------------*/
/** @defgroup QSPI_Private_Macros QSPI Private Macros
* @{
*/
#define IS_QSPI_CLOCK_PRESCALER(PRESCALER) ((PRESCALER) <= 0xFFU)
#define IS_QSPI_FIFO_THRESHOLD(THR) (((THR) > 0U) && ((THR) <= 32U))
#define IS_QSPI_SSHIFT(SSHIFT) (((SSHIFT) == QSPI_SAMPLE_SHIFTING_NONE) || \
((SSHIFT) == QSPI_SAMPLE_SHIFTING_HALFCYCLE))
#define IS_QSPI_FLASH_SIZE(FSIZE) (((FSIZE) <= 31U))
#define IS_QSPI_CS_HIGH_TIME(CSHTIME) (((CSHTIME) == QSPI_CS_HIGH_TIME_1_CYCLE) || \
((CSHTIME) == QSPI_CS_HIGH_TIME_2_CYCLE) || \
((CSHTIME) == QSPI_CS_HIGH_TIME_3_CYCLE) || \
((CSHTIME) == QSPI_CS_HIGH_TIME_4_CYCLE) || \
((CSHTIME) == QSPI_CS_HIGH_TIME_5_CYCLE) || \
((CSHTIME) == QSPI_CS_HIGH_TIME_6_CYCLE) || \
((CSHTIME) == QSPI_CS_HIGH_TIME_7_CYCLE) || \
((CSHTIME) == QSPI_CS_HIGH_TIME_8_CYCLE))
#define IS_QSPI_CLOCK_MODE(CLKMODE) (((CLKMODE) == QSPI_CLOCK_MODE_0) || \
((CLKMODE) == QSPI_CLOCK_MODE_3))
#define IS_QSPI_FLASH_ID(FLASH_ID) (((FLASH_ID) == QSPI_FLASH_ID_1) || \
((FLASH_ID) == QSPI_FLASH_ID_2))
#define IS_QSPI_DUAL_FLASH_MODE(MODE) (((MODE) == QSPI_DUALFLASH_ENABLE) || \
((MODE) == QSPI_DUALFLASH_DISABLE))
#define IS_QSPI_INSTRUCTION(INSTRUCTION) ((INSTRUCTION) <= 0xFFU)
#define IS_QSPI_ADDRESS_SIZE(ADDR_SIZE) (((ADDR_SIZE) == QSPI_ADDRESS_8_BITS) || \
((ADDR_SIZE) == QSPI_ADDRESS_16_BITS) || \
((ADDR_SIZE) == QSPI_ADDRESS_24_BITS) || \
((ADDR_SIZE) == QSPI_ADDRESS_32_BITS))
#define IS_QSPI_ALTERNATE_BYTES_SIZE(SIZE) (((SIZE) == QSPI_ALTERNATE_BYTES_8_BITS) || \
((SIZE) == QSPI_ALTERNATE_BYTES_16_BITS) || \
((SIZE) == QSPI_ALTERNATE_BYTES_24_BITS) || \
((SIZE) == QSPI_ALTERNATE_BYTES_32_BITS))
#define IS_QSPI_DUMMY_CYCLES(DCY) ((DCY) <= 31U)
#define IS_QSPI_INSTRUCTION_MODE(MODE) (((MODE) == QSPI_INSTRUCTION_NONE) || \
((MODE) == QSPI_INSTRUCTION_1_LINE) || \
((MODE) == QSPI_INSTRUCTION_2_LINES) || \
((MODE) == QSPI_INSTRUCTION_4_LINES))
#define IS_QSPI_ADDRESS_MODE(MODE) (((MODE) == QSPI_ADDRESS_NONE) || \
((MODE) == QSPI_ADDRESS_1_LINE) || \
((MODE) == QSPI_ADDRESS_2_LINES) || \
((MODE) == QSPI_ADDRESS_4_LINES))
#define IS_QSPI_ALTERNATE_BYTES_MODE(MODE) (((MODE) == QSPI_ALTERNATE_BYTES_NONE) || \
((MODE) == QSPI_ALTERNATE_BYTES_1_LINE) || \
((MODE) == QSPI_ALTERNATE_BYTES_2_LINES) || \
((MODE) == QSPI_ALTERNATE_BYTES_4_LINES))
#define IS_QSPI_DATA_MODE(MODE) (((MODE) == QSPI_DATA_NONE) || \
((MODE) == QSPI_DATA_1_LINE) || \
((MODE) == QSPI_DATA_2_LINES) || \
((MODE) == QSPI_DATA_4_LINES))
#define IS_QSPI_DDR_MODE(DDR_MODE) (((DDR_MODE) == QSPI_DDR_MODE_DISABLE) || \
((DDR_MODE) == QSPI_DDR_MODE_ENABLE))
#define IS_QSPI_DDR_HHC(DDR_HHC) (((DDR_HHC) == QSPI_DDR_HHC_ANALOG_DELAY) || \
((DDR_HHC) == QSPI_DDR_HHC_HALF_CLK_DELAY))
#define IS_QSPI_SIOO_MODE(SIOO_MODE) (((SIOO_MODE) == QSPI_SIOO_INST_EVERY_CMD) || \
((SIOO_MODE) == QSPI_SIOO_INST_ONLY_FIRST_CMD))
#define IS_QSPI_INTERVAL(INTERVAL) ((INTERVAL) <= QUADSPI_PIR_INTERVAL)
#define IS_QSPI_STATUS_BYTES_SIZE(SIZE) (((SIZE) >= 1U) && ((SIZE) <= 4U))
#define IS_QSPI_MATCH_MODE(MODE) (((MODE) == QSPI_MATCH_MODE_AND) || \
((MODE) == QSPI_MATCH_MODE_OR))
#define IS_QSPI_AUTOMATIC_STOP(APMS) (((APMS) == QSPI_AUTOMATIC_STOP_DISABLE) || \
((APMS) == QSPI_AUTOMATIC_STOP_ENABLE))
#define IS_QSPI_TIMEOUT_ACTIVATION(TCEN) (((TCEN) == QSPI_TIMEOUT_COUNTER_DISABLE) || \
((TCEN) == QSPI_TIMEOUT_COUNTER_ENABLE))
#define IS_QSPI_TIMEOUT_PERIOD(PERIOD) ((PERIOD) <= 0xFFFFU)
/**
* @}
*/
/* End of private macros -----------------------------------------------------*/
/**
* @}
*/
/**
* @}
*/
#endif /* defined(QUADSPI) */
#ifdef __cplusplus
}
#endif
#endif /* STM32H7xx_HAL_QSPI_H */

2683
cubemx/Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_qspi.c
View File

File diff suppressed because it is too large

5
cubemx/EWARM/cubemx.ewp
View File

@ -1157,11 +1157,14 @@
<name>$PROJ_DIR$/../Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_exti.c</name> <name>$PROJ_DIR$/../Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_exti.c</name>
</file> </file>
<file> <file>
<name>$PROJ_DIR$/../Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_ll_sdmmc.c</name> <name>$PROJ_DIR$/../Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_qspi.c</name>
</file> </file>
<file> <file>
<name>$PROJ_DIR$/../Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_ll_delayblock.c</name> <name>$PROJ_DIR$/../Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_ll_delayblock.c</name>
</file> </file>
<file>
<name>$PROJ_DIR$/../Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_ll_sdmmc.c</name>
</file>
<file> <file>
<name>$PROJ_DIR$/../Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_sd.c</name> <name>$PROJ_DIR$/../Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_sd.c</name>
</file> </file>

2
cubemx/Inc/stm32h7xx_hal_conf.h
View File

@ -64,7 +64,7 @@
/* #define HAL_IWDG_MODULE_ENABLED */ /* #define HAL_IWDG_MODULE_ENABLED */
/* #define HAL_LPTIM_MODULE_ENABLED */ /* #define HAL_LPTIM_MODULE_ENABLED */
/* #define HAL_LTDC_MODULE_ENABLED */ /* #define HAL_LTDC_MODULE_ENABLED */
/* #define HAL_QSPI_MODULE_ENABLED */ #define HAL_QSPI_MODULE_ENABLED
/* #define HAL_RAMECC_MODULE_ENABLED */ /* #define HAL_RAMECC_MODULE_ENABLED */
/* #define HAL_RNG_MODULE_ENABLED */ /* #define HAL_RNG_MODULE_ENABLED */
/* #define HAL_RTC_MODULE_ENABLED */ /* #define HAL_RTC_MODULE_ENABLED */

1
cubemx/Inc/stm32h7xx_it.h
View File

@ -59,6 +59,7 @@ void DMA1_Stream0_IRQHandler(void);
void USART1_IRQHandler(void); void USART1_IRQHandler(void);
void USART2_IRQHandler(void); void USART2_IRQHandler(void);
void SDMMC1_IRQHandler(void); void SDMMC1_IRQHandler(void);
void QUADSPI_IRQHandler(void);
/* USER CODE BEGIN EFP */ /* USER CODE BEGIN EFP */
/* USER CODE END EFP */ /* USER CODE END EFP */

42
cubemx/Src/main.c
View File

@ -41,6 +41,8 @@
/* Private variables ---------------------------------------------------------*/ /* Private variables ---------------------------------------------------------*/
QSPI_HandleTypeDef hqspi;
SD_HandleTypeDef hsd1; SD_HandleTypeDef hsd1;
UART_HandleTypeDef huart1; UART_HandleTypeDef huart1;
@ -62,6 +64,7 @@ static void MX_FMC_Init(void);
static void MX_SDMMC1_SD_Init(void); static void MX_SDMMC1_SD_Init(void);
static void MX_USART1_UART_Init(void); static void MX_USART1_UART_Init(void);
static void MX_USART2_UART_Init(void); static void MX_USART2_UART_Init(void);
static void MX_QUADSPI_Init(void);
/* USER CODE BEGIN PFP */ /* USER CODE BEGIN PFP */
/* USER CODE END PFP */ /* USER CODE END PFP */
@ -108,6 +111,7 @@ __WEAK int main(void)
MX_SDMMC1_SD_Init(); MX_SDMMC1_SD_Init();
MX_USART1_UART_Init(); MX_USART1_UART_Init();
MX_USART2_UART_Init(); MX_USART2_UART_Init();
MX_QUADSPI_Init();
/* USER CODE BEGIN 2 */ /* USER CODE BEGIN 2 */
/* USER CODE END 2 */ /* USER CODE END 2 */
@ -153,7 +157,7 @@ void SystemClock_Config(void)
RCC_OscInitStruct.PLL.PLLM = 4; RCC_OscInitStruct.PLL.PLLM = 4;
RCC_OscInitStruct.PLL.PLLN = 60; RCC_OscInitStruct.PLL.PLLN = 60;
RCC_OscInitStruct.PLL.PLLP = 2; RCC_OscInitStruct.PLL.PLLP = 2;
RCC_OscInitStruct.PLL.PLLQ = 6; RCC_OscInitStruct.PLL.PLLQ = 8;
RCC_OscInitStruct.PLL.PLLR = 2; RCC_OscInitStruct.PLL.PLLR = 2;
RCC_OscInitStruct.PLL.PLLRGE = RCC_PLL1VCIRANGE_3; RCC_OscInitStruct.PLL.PLLRGE = RCC_PLL1VCIRANGE_3;
RCC_OscInitStruct.PLL.PLLVCOSEL = RCC_PLL1VCOWIDE; RCC_OscInitStruct.PLL.PLLVCOSEL = RCC_PLL1VCOWIDE;
@ -182,6 +186,41 @@ void SystemClock_Config(void)
} }
} }
/**
* @brief QUADSPI Initialization Function
* @param None
* @retval None
*/
static void MX_QUADSPI_Init(void)
{
/* USER CODE BEGIN QUADSPI_Init 0 */
/* USER CODE END QUADSPI_Init 0 */
/* USER CODE BEGIN QUADSPI_Init 1 */
/* USER CODE END QUADSPI_Init 1 */
/* QUADSPI parameter configuration*/
hqspi.Instance = QUADSPI;
hqspi.Init.ClockPrescaler = 255;
hqspi.Init.FifoThreshold = 1;
hqspi.Init.SampleShifting = QSPI_SAMPLE_SHIFTING_NONE;
hqspi.Init.FlashSize = 1;
hqspi.Init.ChipSelectHighTime = QSPI_CS_HIGH_TIME_1_CYCLE;
hqspi.Init.ClockMode = QSPI_CLOCK_MODE_0;
hqspi.Init.FlashID = QSPI_FLASH_ID_1;
hqspi.Init.DualFlash = QSPI_DUALFLASH_DISABLE;
if (HAL_QSPI_Init(&hqspi) != HAL_OK)
{
Error_Handler();
}
/* USER CODE BEGIN QUADSPI_Init 2 */
/* USER CODE END QUADSPI_Init 2 */
}
/** /**
* @brief SDMMC1 Initialization Function * @brief SDMMC1 Initialization Function
* @param None * @param None
@ -387,6 +426,7 @@ static void MX_GPIO_Init(void)
/* GPIO Ports Clock Enable */ /* GPIO Ports Clock Enable */
__HAL_RCC_GPIOF_CLK_ENABLE(); __HAL_RCC_GPIOF_CLK_ENABLE();
__HAL_RCC_GPIOC_CLK_ENABLE(); __HAL_RCC_GPIOC_CLK_ENABLE();
__HAL_RCC_GPIOA_CLK_ENABLE();
__HAL_RCC_GPIOH_CLK_ENABLE(); __HAL_RCC_GPIOH_CLK_ENABLE();
__HAL_RCC_GPIOB_CLK_ENABLE(); __HAL_RCC_GPIOB_CLK_ENABLE();
__HAL_RCC_GPIOG_CLK_ENABLE(); __HAL_RCC_GPIOG_CLK_ENABLE();

130
cubemx/Src/stm32h7xx_hal_msp.c
View File

@ -77,6 +77,120 @@ void HAL_MspInit(void)
/* USER CODE END MspInit 1 */ /* USER CODE END MspInit 1 */
} }
/**
* @brief QSPI MSP Initialization
* This function configures the hardware resources used in this example
* @param hqspi: QSPI handle pointer
* @retval None
*/
void HAL_QSPI_MspInit(QSPI_HandleTypeDef* hqspi)
{
GPIO_InitTypeDef GPIO_InitStruct = {0};
RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {0};
if(hqspi->Instance==QUADSPI)
{
/* USER CODE BEGIN QUADSPI_MspInit 0 */
/* USER CODE END QUADSPI_MspInit 0 */
/** Initializes the peripherals clock
*/
PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_QSPI;
PeriphClkInitStruct.QspiClockSelection = RCC_QSPICLKSOURCE_PLL;
if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK)
{
Error_Handler();
}
/* Peripheral clock enable */
__HAL_RCC_QSPI_CLK_ENABLE();
__HAL_RCC_GPIOF_CLK_ENABLE();
__HAL_RCC_GPIOB_CLK_ENABLE();
/**QUADSPI GPIO Configuration
PF6 ------> QUADSPI_BK1_IO3
PF7 ------> QUADSPI_BK1_IO2
PF8 ------> QUADSPI_BK1_IO0
PF9 ------> QUADSPI_BK1_IO1
PB2 ------> QUADSPI_CLK
PB6 ------> QUADSPI_BK1_NCS
*/
GPIO_InitStruct.Pin = GPIO_PIN_6|GPIO_PIN_7;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
GPIO_InitStruct.Alternate = GPIO_AF9_QUADSPI;
HAL_GPIO_Init(GPIOF, &GPIO_InitStruct);
GPIO_InitStruct.Pin = GPIO_PIN_8|GPIO_PIN_9;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
GPIO_InitStruct.Alternate = GPIO_AF10_QUADSPI;
HAL_GPIO_Init(GPIOF, &GPIO_InitStruct);
GPIO_InitStruct.Pin = GPIO_PIN_2;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
GPIO_InitStruct.Alternate = GPIO_AF9_QUADSPI;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
GPIO_InitStruct.Pin = GPIO_PIN_6;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
GPIO_InitStruct.Alternate = GPIO_AF10_QUADSPI;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
/* QUADSPI interrupt Init */
HAL_NVIC_SetPriority(QUADSPI_IRQn, 0, 0);
HAL_NVIC_EnableIRQ(QUADSPI_IRQn);
/* USER CODE BEGIN QUADSPI_MspInit 1 */
/* USER CODE END QUADSPI_MspInit 1 */
}
}
/**
* @brief QSPI MSP De-Initialization
* This function freeze the hardware resources used in this example
* @param hqspi: QSPI handle pointer
* @retval None
*/
void HAL_QSPI_MspDeInit(QSPI_HandleTypeDef* hqspi)
{
if(hqspi->Instance==QUADSPI)
{
/* USER CODE BEGIN QUADSPI_MspDeInit 0 */
/* USER CODE END QUADSPI_MspDeInit 0 */
/* Peripheral clock disable */
__HAL_RCC_QSPI_CLK_DISABLE();
/**QUADSPI GPIO Configuration
PF6 ------> QUADSPI_BK1_IO3
PF7 ------> QUADSPI_BK1_IO2
PF8 ------> QUADSPI_BK1_IO0
PF9 ------> QUADSPI_BK1_IO1
PB2 ------> QUADSPI_CLK
PB6 ------> QUADSPI_BK1_NCS
*/
HAL_GPIO_DeInit(GPIOF, GPIO_PIN_6|GPIO_PIN_7|GPIO_PIN_8|GPIO_PIN_9);
HAL_GPIO_DeInit(GPIOB, GPIO_PIN_2|GPIO_PIN_6);
/* QUADSPI interrupt DeInit */
HAL_NVIC_DisableIRQ(QUADSPI_IRQn);
/* USER CODE BEGIN QUADSPI_MspDeInit 1 */
/* USER CODE END QUADSPI_MspDeInit 1 */
}
}
/** /**
* @brief SD MSP Initialization * @brief SD MSP Initialization
* This function configures the hardware resources used in this example * This function configures the hardware resources used in this example
@ -271,17 +385,17 @@ void HAL_UART_MspInit(UART_HandleTypeDef* huart)
/* Peripheral clock enable */ /* Peripheral clock enable */
__HAL_RCC_USART2_CLK_ENABLE(); __HAL_RCC_USART2_CLK_ENABLE();
__HAL_RCC_GPIOD_CLK_ENABLE(); __HAL_RCC_GPIOA_CLK_ENABLE();
/**USART2 GPIO Configuration /**USART2 GPIO Configuration
PD5 ------> USART2_TX PA2 ------> USART2_TX
PD6 ------> USART2_RX PA3 ------> USART2_RX
*/ */
GPIO_InitStruct.Pin = GPIO_PIN_5|GPIO_PIN_6; GPIO_InitStruct.Pin = GPIO_PIN_2|GPIO_PIN_3;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
GPIO_InitStruct.Alternate = GPIO_AF7_USART2; GPIO_InitStruct.Alternate = GPIO_AF7_USART2;
HAL_GPIO_Init(GPIOD, &GPIO_InitStruct); HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
/* USART2 interrupt Init */ /* USART2 interrupt Init */
HAL_NVIC_SetPriority(USART2_IRQn, 0, 0); HAL_NVIC_SetPriority(USART2_IRQn, 0, 0);
@ -333,10 +447,10 @@ void HAL_UART_MspDeInit(UART_HandleTypeDef* huart)
__HAL_RCC_USART2_CLK_DISABLE(); __HAL_RCC_USART2_CLK_DISABLE();
/**USART2 GPIO Configuration /**USART2 GPIO Configuration
PD5 ------> USART2_TX PA2 ------> USART2_TX
PD6 ------> USART2_RX PA3 ------> USART2_RX
*/ */
HAL_GPIO_DeInit(GPIOD, GPIO_PIN_5|GPIO_PIN_6); HAL_GPIO_DeInit(GPIOA, GPIO_PIN_2|GPIO_PIN_3);
/* USART2 interrupt DeInit */ /* USART2 interrupt DeInit */
HAL_NVIC_DisableIRQ(USART2_IRQn); HAL_NVIC_DisableIRQ(USART2_IRQn);

15
cubemx/Src/stm32h7xx_it.c
View File

@ -55,6 +55,7 @@
/* USER CODE END 0 */ /* USER CODE END 0 */
/* External variables --------------------------------------------------------*/ /* External variables --------------------------------------------------------*/
extern QSPI_HandleTypeDef hqspi;
extern SD_HandleTypeDef hsd1; extern SD_HandleTypeDef hsd1;
extern DMA_HandleTypeDef hdma_usart1_rx; extern DMA_HandleTypeDef hdma_usart1_rx;
extern UART_HandleTypeDef huart1; extern UART_HandleTypeDef huart1;
@ -257,6 +258,20 @@ void SDMMC1_IRQHandler(void)
/* USER CODE END SDMMC1_IRQn 1 */ /* USER CODE END SDMMC1_IRQn 1 */
} }
/**
* @brief This function handles QUADSPI global interrupt.
*/
void QUADSPI_IRQHandler(void)
{
/* USER CODE BEGIN QUADSPI_IRQn 0 */
/* USER CODE END QUADSPI_IRQn 0 */
HAL_QSPI_IRQHandler(&hqspi);
/* USER CODE BEGIN QUADSPI_IRQn 1 */
/* USER CODE END QUADSPI_IRQn 1 */
}
/* USER CODE BEGIN 1 */ /* USER CODE BEGIN 1 */
/* USER CODE END 1 */ /* USER CODE END 1 */

171
cubemx/cubemx.ioc
View File

@ -36,71 +36,78 @@ Mcu.CPN=STM32H743IIT6
Mcu.Family=STM32H7 Mcu.Family=STM32H7
Mcu.IP0=CORTEX_M7 Mcu.IP0=CORTEX_M7
Mcu.IP1=DMA Mcu.IP1=DMA
Mcu.IP10=USART2
Mcu.IP2=FMC Mcu.IP2=FMC
Mcu.IP3=MEMORYMAP Mcu.IP3=MEMORYMAP
Mcu.IP4=NVIC Mcu.IP4=NVIC
Mcu.IP5=RCC Mcu.IP5=QUADSPI
Mcu.IP6=SDMMC1 Mcu.IP6=RCC
Mcu.IP7=SYS Mcu.IP7=SDMMC1
Mcu.IP8=USART1 Mcu.IP8=SYS
Mcu.IP9=USART2 Mcu.IP9=USART1
Mcu.IPNb=10 Mcu.IPNb=11
Mcu.Name=STM32H743IITx Mcu.Name=STM32H743IITx
Mcu.Package=LQFP176 Mcu.Package=LQFP176
Mcu.Pin0=PF0 Mcu.Pin0=PF0
Mcu.Pin1=PF1 Mcu.Pin1=PF1
Mcu.Pin10=PB1 Mcu.Pin10=PC0
Mcu.Pin11=PF11 Mcu.Pin11=PA2
Mcu.Pin12=PF12 Mcu.Pin12=PH2
Mcu.Pin13=PF13 Mcu.Pin13=PH3
Mcu.Pin14=PF14 Mcu.Pin14=PA3
Mcu.Pin15=PF15 Mcu.Pin15=PB0
Mcu.Pin16=PG0 Mcu.Pin16=PB1
Mcu.Pin17=PG1 Mcu.Pin17=PB2
Mcu.Pin18=PE7 Mcu.Pin18=PF11
Mcu.Pin19=PE8 Mcu.Pin19=PF12
Mcu.Pin2=PF2 Mcu.Pin2=PF2
Mcu.Pin20=PE9 Mcu.Pin20=PF13
Mcu.Pin21=PE10 Mcu.Pin21=PF14
Mcu.Pin22=PE11 Mcu.Pin22=PF15
Mcu.Pin23=PE12 Mcu.Pin23=PG0
Mcu.Pin24=PE13 Mcu.Pin24=PG1
Mcu.Pin25=PE14 Mcu.Pin25=PE7
Mcu.Pin26=PE15 Mcu.Pin26=PE8
Mcu.Pin27=PB14 Mcu.Pin27=PE9
Mcu.Pin28=PB15 Mcu.Pin28=PE10
Mcu.Pin29=PD8 Mcu.Pin29=PE11
Mcu.Pin3=PF3 Mcu.Pin3=PF3
Mcu.Pin30=PD9 Mcu.Pin30=PE12
Mcu.Pin31=PD10 Mcu.Pin31=PE13
Mcu.Pin32=PD14 Mcu.Pin32=PE14
Mcu.Pin33=PD15 Mcu.Pin33=PE15
Mcu.Pin34=PG2 Mcu.Pin34=PB14
Mcu.Pin35=PG4 Mcu.Pin35=PB15
Mcu.Pin36=PG5 Mcu.Pin36=PD8
Mcu.Pin37=PG8 Mcu.Pin37=PD9
Mcu.Pin38=PC8 Mcu.Pin38=PD10
Mcu.Pin39=PC9 Mcu.Pin39=PD14
Mcu.Pin4=PF4 Mcu.Pin4=PF4
Mcu.Pin40=PC10 Mcu.Pin40=PD15
Mcu.Pin41=PC11 Mcu.Pin41=PG2
Mcu.Pin42=PC12 Mcu.Pin42=PG4
Mcu.Pin43=PD0 Mcu.Pin43=PG5
Mcu.Pin44=PD1 Mcu.Pin44=PG8
Mcu.Pin45=PD2 Mcu.Pin45=PC8
Mcu.Pin46=PD5 Mcu.Pin46=PC9
Mcu.Pin47=PD6 Mcu.Pin47=PC10
Mcu.Pin48=PG15 Mcu.Pin48=PC11
Mcu.Pin49=PE0 Mcu.Pin49=PC12
Mcu.Pin5=PF5 Mcu.Pin5=PF5
Mcu.Pin50=PE1 Mcu.Pin50=PD0
Mcu.Pin51=VP_SYS_VS_Systick Mcu.Pin51=PD1
Mcu.Pin52=VP_MEMORYMAP_VS_MEMORYMAP Mcu.Pin52=PD2
Mcu.Pin6=PC0 Mcu.Pin53=PG15
Mcu.Pin7=PH2 Mcu.Pin54=PB6
Mcu.Pin8=PH3 Mcu.Pin55=PE0
Mcu.Pin9=PB0 Mcu.Pin56=PE1
Mcu.PinsNb=53 Mcu.Pin57=VP_SYS_VS_Systick
Mcu.Pin58=VP_MEMORYMAP_VS_MEMORYMAP
Mcu.Pin6=PF6
Mcu.Pin7=PF7
Mcu.Pin8=PF8
Mcu.Pin9=PF9
Mcu.PinsNb=59
Mcu.ThirdPartyNb=0 Mcu.ThirdPartyNb=0
Mcu.UserConstants= Mcu.UserConstants=
Mcu.UserName=STM32H743IITx Mcu.UserName=STM32H743IITx
@ -115,12 +122,17 @@ NVIC.MemoryManagement_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false
NVIC.NonMaskableInt_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false NVIC.NonMaskableInt_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false
NVIC.PendSV_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false NVIC.PendSV_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false
NVIC.PriorityGroup=NVIC_PRIORITYGROUP_4 NVIC.PriorityGroup=NVIC_PRIORITYGROUP_4
NVIC.QUADSPI_IRQn=true\:0\:0\:false\:false\:true\:true\:true\:true
NVIC.SDMMC1_IRQn=true\:0\:0\:false\:false\:true\:true\:true\:true NVIC.SDMMC1_IRQn=true\:0\:0\:false\:false\:true\:true\:true\:true
NVIC.SVCall_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false NVIC.SVCall_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false
NVIC.SysTick_IRQn=true\:15\:0\:false\:false\:true\:false\:true\:false NVIC.SysTick_IRQn=true\:15\:0\:false\:false\:true\:false\:true\:false
NVIC.USART1_IRQn=true\:0\:0\:false\:false\:true\:true\:true\:true NVIC.USART1_IRQn=true\:0\:0\:false\:false\:true\:true\:true\:true
NVIC.USART2_IRQn=true\:0\:0\:false\:false\:true\:true\:true\:true NVIC.USART2_IRQn=true\:0\:0\:false\:false\:true\:true\:true\:true
NVIC.UsageFault_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false NVIC.UsageFault_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false
PA2.Mode=Asynchronous
PA2.Signal=USART2_TX
PA3.Mode=Asynchronous
PA3.Signal=USART2_RX
PB0.Locked=true PB0.Locked=true
PB0.Signal=GPIO_Output PB0.Signal=GPIO_Output
PB1.Locked=true PB1.Locked=true
@ -129,6 +141,12 @@ PB14.Mode=Asynchronous
PB14.Signal=USART1_TX PB14.Signal=USART1_TX
PB15.Mode=Asynchronous PB15.Mode=Asynchronous
PB15.Signal=USART1_RX PB15.Signal=USART1_RX
PB2.Locked=true
PB2.Mode=Single Bank 1
PB2.Signal=QUADSPI_CLK
PB6.Locked=true
PB6.Mode=Single Bank 1
PB6.Signal=QUADSPI_BK1_NCS
PC0.Signal=FMC_SDNWE PC0.Signal=FMC_SDNWE
PC10.Mode=SD_4_bits_Wide_bus PC10.Mode=SD_4_bits_Wide_bus
PC10.Signal=SDMMC1_D2 PC10.Signal=SDMMC1_D2
@ -147,10 +165,6 @@ PD14.Signal=FMC_D0_DA0
PD15.Signal=FMC_D1_DA1 PD15.Signal=FMC_D1_DA1
PD2.Mode=SD_4_bits_Wide_bus PD2.Mode=SD_4_bits_Wide_bus
PD2.Signal=SDMMC1_CMD PD2.Signal=SDMMC1_CMD
PD5.Mode=Asynchronous
PD5.Signal=USART2_TX
PD6.Mode=Asynchronous
PD6.Signal=USART2_RX
PD8.Signal=FMC_D13_DA13 PD8.Signal=FMC_D13_DA13
PD9.Signal=FMC_D14_DA14 PD9.Signal=FMC_D14_DA14
PE0.Signal=FMC_NBL0 PE0.Signal=FMC_NBL0
@ -175,6 +189,18 @@ PF2.Signal=FMC_A2
PF3.Signal=FMC_A3 PF3.Signal=FMC_A3
PF4.Signal=FMC_A4 PF4.Signal=FMC_A4
PF5.Signal=FMC_A5 PF5.Signal=FMC_A5
PF6.Locked=true
PF6.Mode=Single Bank 1
PF6.Signal=QUADSPI_BK1_IO3
PF7.Locked=true
PF7.Mode=Single Bank 1
PF7.Signal=QUADSPI_BK1_IO2
PF8.Locked=true
PF8.Mode=Single Bank 1
PF8.Signal=QUADSPI_BK1_IO0
PF9.Locked=true
PF9.Mode=Single Bank 1
PF9.Signal=QUADSPI_BK1_IO1
PG0.Signal=FMC_A10 PG0.Signal=FMC_A10
PG1.Signal=FMC_A11 PG1.Signal=FMC_A11
PG15.Signal=FMC_SDNCAS PG15.Signal=FMC_SDNCAS
@ -220,7 +246,7 @@ ProjectManager.ToolChainLocation=
ProjectManager.UAScriptAfterPath= ProjectManager.UAScriptAfterPath=
ProjectManager.UAScriptBeforePath= ProjectManager.UAScriptBeforePath=
ProjectManager.UnderRoot=false ProjectManager.UnderRoot=false
ProjectManager.functionlistsort=1-SystemClock_Config-RCC-false-HAL-false,2-MX_GPIO_Init-GPIO-false-HAL-true,3-MX_DMA_Init-DMA-false-HAL-true,4-MX_FMC_Init-FMC-false-HAL-true,5-MX_SDMMC1_SD_Init-SDMMC1-false-HAL-true,6-MX_USART1_UART_Init-USART1-false-HAL-true,7-MX_USART2_UART_Init-USART2-false-HAL-true,8-MX_LTDC_Init-LTDC-false-HAL-true,0-MX_CORTEX_M7_Init-CORTEX_M7-false-HAL-true ProjectManager.functionlistsort=1-SystemClock_Config-RCC-false-HAL-false,2-MX_GPIO_Init-GPIO-false-HAL-true,3-MX_DMA_Init-DMA-false-HAL-true,4-MX_FMC_Init-FMC-false-HAL-true,5-MX_SDMMC1_SD_Init-SDMMC1-false-HAL-true,6-MX_USART1_UART_Init-USART1-false-HAL-true,7-MX_USART2_UART_Init-USART2-false-HAL-true,0-MX_CORTEX_M7_Init-CORTEX_M7-false-HAL-true
RCC.ADCFreq_Value=150000000 RCC.ADCFreq_Value=150000000
RCC.AHB12Freq_Value=240000000 RCC.AHB12Freq_Value=240000000
RCC.AHB4Freq_Value=240000000 RCC.AHB4Freq_Value=240000000
@ -238,7 +264,7 @@ RCC.D1PPRE=RCC_APB3_DIV2
RCC.D2PPRE1=RCC_APB1_DIV2 RCC.D2PPRE1=RCC_APB1_DIV2
RCC.D2PPRE2=RCC_APB2_DIV2 RCC.D2PPRE2=RCC_APB2_DIV2
RCC.D3PPRE=RCC_APB4_DIV2 RCC.D3PPRE=RCC_APB4_DIV2
RCC.DFSDMACLkFreq_Value=160000000 RCC.DFSDMACLkFreq_Value=120000000
RCC.DFSDMFreq_Value=120000000 RCC.DFSDMFreq_Value=120000000
RCC.DIVM1=4 RCC.DIVM1=4
RCC.DIVN1=60 RCC.DIVN1=60
@ -246,14 +272,14 @@ RCC.DIVN2=150
RCC.DIVP1Freq_Value=480000000 RCC.DIVP1Freq_Value=480000000
RCC.DIVP2Freq_Value=150000000 RCC.DIVP2Freq_Value=150000000
RCC.DIVP3Freq_Value=129000000 RCC.DIVP3Freq_Value=129000000
RCC.DIVQ1=6 RCC.DIVQ1=8
RCC.DIVQ1Freq_Value=160000000 RCC.DIVQ1Freq_Value=120000000
RCC.DIVQ2Freq_Value=150000000 RCC.DIVQ2Freq_Value=150000000
RCC.DIVQ3Freq_Value=129000000 RCC.DIVQ3Freq_Value=129000000
RCC.DIVR1Freq_Value=480000000 RCC.DIVR1Freq_Value=480000000
RCC.DIVR2Freq_Value=150000000 RCC.DIVR2Freq_Value=150000000
RCC.DIVR3Freq_Value=129000000 RCC.DIVR3Freq_Value=129000000
RCC.FDCANFreq_Value=160000000 RCC.FDCANFreq_Value=120000000
RCC.FMCFreq_Value=240000000 RCC.FMCFreq_Value=240000000
RCC.FamilyName=M RCC.FamilyName=M
RCC.HCLK3ClockFreq_Value=240000000 RCC.HCLK3ClockFreq_Value=240000000
@ -262,7 +288,7 @@ RCC.HPRE=RCC_HCLK_DIV2
RCC.HRTIMFreq_Value=240000000 RCC.HRTIMFreq_Value=240000000
RCC.I2C123Freq_Value=120000000 RCC.I2C123Freq_Value=120000000
RCC.I2C4Freq_Value=120000000 RCC.I2C4Freq_Value=120000000
RCC.IPParameters=ADCFreq_Value,AHB12Freq_Value,AHB4Freq_Value,APB1Freq_Value,APB2Freq_Value,APB3Freq_Value,APB4Freq_Value,AXIClockFreq_Value,CECFreq_Value,CKPERFreq_Value,CortexFreq_Value,CpuClockFreq_Value,D1CPREFreq_Value,D1PPRE,D2PPRE1,D2PPRE2,D3PPRE,DFSDMACLkFreq_Value,DFSDMFreq_Value,DIVM1,DIVN1,DIVN2,DIVP1Freq_Value,DIVP2Freq_Value,DIVP3Freq_Value,DIVQ1,DIVQ1Freq_Value,DIVQ2Freq_Value,DIVQ3Freq_Value,DIVR1Freq_Value,DIVR2Freq_Value,DIVR3Freq_Value,FDCANFreq_Value,FMCFreq_Value,FamilyName,HCLK3ClockFreq_Value,HCLKFreq_Value,HPRE,HRTIMFreq_Value,I2C123Freq_Value,I2C4Freq_Value,LPTIM1Freq_Value,LPTIM2Freq_Value,LPTIM345Freq_Value,LPUART1Freq_Value,LTDCFreq_Value,MCO1PinFreq_Value,MCO2PinFreq_Value,PLL2FRACN,PLL3FRACN,PLLFRACN,QSPIFreq_Value,RNGFreq_Value,RTCFreq_Value,SAI1Freq_Value,SAI23Freq_Value,SAI4AFreq_Value,SAI4BFreq_Value,SDMMC1CLockSelection,SDMMCFreq_Value,SPDIFRXFreq_Value,SPI123Freq_Value,SPI45Freq_Value,SPI6Freq_Value,SWPMI1Freq_Value,SYSCLKFreq_VALUE,SYSCLKSource,Tim1OutputFreq_Value,Tim2OutputFreq_Value,TraceFreq_Value,USART16Freq_Value,USART234578Freq_Value,USBFreq_Value,VCO1OutputFreq_Value,VCO2OutputFreq_Value,VCO3OutputFreq_Value,VCOInput1Freq_Value,VCOInput2Freq_Value,VCOInput3Freq_Value RCC.IPParameters=ADCFreq_Value,AHB12Freq_Value,AHB4Freq_Value,APB1Freq_Value,APB2Freq_Value,APB3Freq_Value,APB4Freq_Value,AXIClockFreq_Value,CECFreq_Value,CKPERFreq_Value,CortexFreq_Value,CpuClockFreq_Value,D1CPREFreq_Value,D1PPRE,D2PPRE1,D2PPRE2,D3PPRE,DFSDMACLkFreq_Value,DFSDMFreq_Value,DIVM1,DIVN1,DIVN2,DIVP1Freq_Value,DIVP2Freq_Value,DIVP3Freq_Value,DIVQ1,DIVQ1Freq_Value,DIVQ2Freq_Value,DIVQ3Freq_Value,DIVR1Freq_Value,DIVR2Freq_Value,DIVR3Freq_Value,FDCANFreq_Value,FMCFreq_Value,FamilyName,HCLK3ClockFreq_Value,HCLKFreq_Value,HPRE,HRTIMFreq_Value,I2C123Freq_Value,I2C4Freq_Value,LPTIM1Freq_Value,LPTIM2Freq_Value,LPTIM345Freq_Value,LPUART1Freq_Value,LTDCFreq_Value,MCO1PinFreq_Value,MCO2PinFreq_Value,PLL2FRACN,PLL3FRACN,PLLFRACN,QSPICLockSelection,QSPIFreq_Value,RNGFreq_Value,RTCFreq_Value,SAI1Freq_Value,SAI23Freq_Value,SAI4AFreq_Value,SAI4BFreq_Value,SDMMC1CLockSelection,SDMMCFreq_Value,SPDIFRXFreq_Value,SPI123Freq_Value,SPI45Freq_Value,SPI6Freq_Value,SWPMI1Freq_Value,SYSCLKFreq_VALUE,SYSCLKSource,Tim1OutputFreq_Value,Tim2OutputFreq_Value,TraceFreq_Value,USART16Freq_Value,USART234578Freq_Value,USBFreq_Value,VCO1OutputFreq_Value,VCO2OutputFreq_Value,VCO3OutputFreq_Value,VCOInput1Freq_Value,VCOInput2Freq_Value,VCOInput3Freq_Value
RCC.LPTIM1Freq_Value=120000000 RCC.LPTIM1Freq_Value=120000000
RCC.LPTIM2Freq_Value=120000000 RCC.LPTIM2Freq_Value=120000000
RCC.LPTIM345Freq_Value=120000000 RCC.LPTIM345Freq_Value=120000000
@ -273,17 +299,18 @@ RCC.MCO2PinFreq_Value=480000000
RCC.PLL2FRACN=0 RCC.PLL2FRACN=0
RCC.PLL3FRACN=0 RCC.PLL3FRACN=0
RCC.PLLFRACN=0 RCC.PLLFRACN=0
RCC.QSPIFreq_Value=240000000 RCC.QSPICLockSelection=RCC_QSPICLKSOURCE_PLL
RCC.QSPIFreq_Value=120000000
RCC.RNGFreq_Value=48000000 RCC.RNGFreq_Value=48000000
RCC.RTCFreq_Value=32000 RCC.RTCFreq_Value=32000
RCC.SAI1Freq_Value=160000000 RCC.SAI1Freq_Value=120000000
RCC.SAI23Freq_Value=160000000 RCC.SAI23Freq_Value=120000000
RCC.SAI4AFreq_Value=160000000 RCC.SAI4AFreq_Value=120000000
RCC.SAI4BFreq_Value=160000000 RCC.SAI4BFreq_Value=120000000
RCC.SDMMC1CLockSelection=RCC_SDMMCCLKSOURCE_PLL2 RCC.SDMMC1CLockSelection=RCC_SDMMCCLKSOURCE_PLL2
RCC.SDMMCFreq_Value=150000000 RCC.SDMMCFreq_Value=150000000
RCC.SPDIFRXFreq_Value=160000000 RCC.SPDIFRXFreq_Value=120000000
RCC.SPI123Freq_Value=160000000 RCC.SPI123Freq_Value=120000000
RCC.SPI45Freq_Value=120000000 RCC.SPI45Freq_Value=120000000
RCC.SPI6Freq_Value=120000000 RCC.SPI6Freq_Value=120000000
RCC.SWPMI1Freq_Value=120000000 RCC.SWPMI1Freq_Value=120000000
@ -294,7 +321,7 @@ RCC.Tim2OutputFreq_Value=240000000
RCC.TraceFreq_Value=64000000 RCC.TraceFreq_Value=64000000
RCC.USART16Freq_Value=120000000 RCC.USART16Freq_Value=120000000
RCC.USART234578Freq_Value=120000000 RCC.USART234578Freq_Value=120000000
RCC.USBFreq_Value=160000000 RCC.USBFreq_Value=120000000
RCC.VCO1OutputFreq_Value=960000000 RCC.VCO1OutputFreq_Value=960000000
RCC.VCO2OutputFreq_Value=300000000 RCC.VCO2OutputFreq_Value=300000000
RCC.VCO3OutputFreq_Value=258000000 RCC.VCO3OutputFreq_Value=258000000

2
drivers/board.h
View File

@ -174,7 +174,7 @@ extern "C"
*/ */
/*#define BSP_USING_QSPI*/ /*#define BSP_USING_QSPI*/
#define BSP_USING_QSPI
/*-------------------------- QSPI CONFIG END --------------------------*/ /*-------------------------- QSPI CONFIG END --------------------------*/
/*-------------------------- PWM CONFIG BEGIN --------------------------*/ /*-------------------------- PWM CONFIG BEGIN --------------------------*/

4
packages/littlefs-v2.11.2/.gitattributes
View File

@ -0,0 +1,4 @@
# GitHub really wants to mark littlefs as a python project, telling it to
# reclassify our test .toml files as C code (which they are 95% of anyways)
# remedies this
*.toml linguist-language=c

34
packages/littlefs-v2.11.2/.gitignore
View File

@ -0,0 +1,34 @@
# Compilation output
*.o
*.d
*.a
*.ci
*.csv
*.t.*
*.b.*
*.gcno
*.gcda
*.perf
lfs
liblfs.a
# Testing things
runners/test_runner
runners/bench_runner
lfs.code.csv
lfs.data.csv
lfs.stack.csv
lfs.structs.csv
lfs.cov.csv
lfs.perf.csv
lfs.perfbd.csv
lfs.test.csv
lfs.bench.csv
# Misc
tags
.gdb_history
scripts/__pycache__
# Historical, probably should remove at some point
tests/*.toml.*

2173
packages/littlefs-v2.11.2/DESIGN.md
View File

File diff suppressed because it is too large

25
packages/littlefs-v2.11.2/LICENSE.md
View File

@ -0,0 +1,25 @@
Copyright (c) 2022, The littlefs authors.
Copyright (c) 2017, Arm Limited. All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
- Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright notice, this
list of conditions and the following disclaimer in the documentation and/or
other materials provided with the distribution.
- Neither the name of ARM nor the names of its contributors may be used to
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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## littlefs for RT-Thread
A little fail-safe filesystem designed for microcontrollers.
```
| | | .---._____
.-----. | |
--|o |---| littlefs |
--| |---| |
'-----' '----------'
| | |
```
**Power-loss resilience** - littlefs is designed to handle random power
failures. All file operations have strong copy-on-write guarantees and if
power is lost the filesystem will fall back to the last known good state.
**Dynamic wear leveling** - littlefs is designed with flash in mind, and
provides wear leveling over dynamic blocks. Additionally, littlefs can
detect bad blocks and work around them.
**Bounded RAM/ROM** - littlefs is designed to work with a small amount of
memory. RAM usage is strictly bounded, which means RAM consumption does not
change as the filesystem grows. The filesystem contains no unbounded
recursion and dynamic memory is limited to configurable buffers that can be
provided statically.
## Example
Here's a simple example that updates a file named `boot_count` every time
main runs. The program can be interrupted at any time without losing track
of how many times it has been booted and without corrupting the filesystem:
``` c
#include "lfs.h"
// variables used by the filesystem
lfs_t lfs;
lfs_file_t file;
// configuration of the filesystem is provided by this struct
const struct lfs_config cfg = {
// block device operations
.read = user_provided_block_device_read,
.prog = user_provided_block_device_prog,
.erase = user_provided_block_device_erase,
.sync = user_provided_block_device_sync,
// block device configuration
.read_size = 16,
.prog_size = 16,
.block_size = 4096,
.block_count = 128,
.cache_size = 16,
.lookahead_size = 16,
.block_cycles = 500,
};
// entry point
int main(void) {
// mount the filesystem
int err = lfs_mount(&lfs, &cfg);
// reformat if we can't mount the filesystem
// this should only happen on the first boot
if (err) {
lfs_format(&lfs, &cfg);
lfs_mount(&lfs, &cfg);
}
// read current count
uint32_t boot_count = 0;
lfs_file_open(&lfs, &file, "boot_count", LFS_O_RDWR | LFS_O_CREAT);
lfs_file_read(&lfs, &file, &boot_count, sizeof(boot_count));
// update boot count
boot_count += 1;
lfs_file_rewind(&lfs, &file);
lfs_file_write(&lfs, &file, &boot_count, sizeof(boot_count));
// remember the storage is not updated until the file is closed successfully
lfs_file_close(&lfs, &file);
// release any resources we were using
lfs_unmount(&lfs);
// print the boot count
printf("boot_count: %d\n", boot_count);
}
```
## Usage
Detailed documentation (or at least as much detail as is currently available)
can be found in the comments in [lfs.h](lfs.h).
littlefs takes in a configuration structure that defines how the filesystem
operates. The configuration struct provides the filesystem with the block
device operations and dimensions, tweakable parameters that tradeoff memory
usage for performance, and optional static buffers if the user wants to avoid
dynamic memory.
The state of the littlefs is stored in the `lfs_t` type which is left up
to the user to allocate, allowing multiple filesystems to be in use
simultaneously. With the `lfs_t` and configuration struct, a user can
format a block device or mount the filesystem.
Once mounted, the littlefs provides a full set of POSIX-like file and
directory functions, with the deviation that the allocation of filesystem
structures must be provided by the user.
All POSIX operations, such as remove and rename, are atomic, even in event
of power-loss. Additionally, file updates are not actually committed to
the filesystem until sync or close is called on the file.
## Other notes
Littlefs is written in C, and specifically should compile with any compiler
that conforms to the `C99` standard.
All littlefs calls have the potential to return a negative error code. The
errors can be either one of those found in the `enum lfs_error` in
[lfs.h](lfs.h), or an error returned by the user's block device operations.
In the configuration struct, the `prog` and `erase` function provided by the
user may return a `LFS_ERR_CORRUPT` error if the implementation already can
detect corrupt blocks. However, the wear leveling does not depend on the return
code of these functions, instead all data is read back and checked for
integrity.
If your storage caches writes, make sure that the provided `sync` function
flushes all the data to memory and ensures that the next read fetches the data
from memory, otherwise data integrity can not be guaranteed. If the `write`
function does not perform caching, and therefore each `read` or `write` call
hits the memory, the `sync` function can simply return 0.
## Design
At a high level, littlefs is a block based filesystem that uses small logs to
store metadata and larger copy-on-write (COW) structures to store file data.
In littlefs, these ingredients form a sort of two-layered cake, with the small
logs (called metadata pairs) providing fast updates to metadata anywhere on
storage, while the COW structures store file data compactly and without any
wear amplification cost.
Both of these data structures are built out of blocks, which are fed by a
common block allocator. By limiting the number of erases allowed on a block
per allocation, the allocator provides dynamic wear leveling over the entire
filesystem.
```
root
.--------.--------.
| A'| B'| |
| | |-> |
| | | |
'--------'--------'
.----' '--------------.
A v B v
.--------.--------. .--------.--------.
| C'| D'| | | E'|new| |
| | |-> | | | E'|-> |
| | | | | | | |
'--------'--------' '--------'--------'
.-' '--. | '------------------.
v v .-' v
.--------. .--------. v .--------.
| C | | D | .--------. write | new E |
| | | | | E | ==> | |
| | | | | | | |
'--------' '--------' | | '--------'
'--------' .-' |
.-' '-. .-------------|------'
v v v v
.--------. .--------. .--------.
| F | | G | | new F |
| | | | | |
| | | | | |
'--------' '--------' '--------'
```
More details on how littlefs works can be found in [DESIGN.md](DESIGN.md) and
[SPEC.md](SPEC.md).
- [DESIGN.md](DESIGN.md) - A fully detailed dive into how littlefs works.
I would suggest reading it as the tradeoffs at work are quite interesting.
- [SPEC.md](SPEC.md) - The on-disk specification of littlefs with all the
nitty-gritty details. May be useful for tooling development.
## Testing
The littlefs comes with a test suite designed to run on a PC using the
[emulated block device](bd/lfs_testbd.h) found in the `bd` directory.
The tests assume a Linux environment and can be started with make:
``` bash
make test
```
Tests are implemented in C in the .toml files found in the `tests` directory.
When developing a feature or fixing a bug, it is frequently useful to run a
single test case or suite of tests:
``` bash
./scripts/test.py -l runners/test_runner # list available test suites
./scripts/test.py -L runners/test_runner test_dirs # list available test cases
./scripts/test.py runners/test_runner test_dirs # run a specific test suite
```
If an assert fails in a test, test.py will try to print information about the
failure:
``` bash
tests/test_dirs.toml:1:failure: test_dirs_root:1g12gg2 (PROG_SIZE=16, ERASE_SIZE=512) failed
tests/test_dirs.toml:5:assert: assert failed with 0, expected eq 42
lfs_mount(&lfs, cfg) => 42;
```
This includes the test id, which can be passed to test.py to run only that
specific test permutation:
``` bash
./scripts/test.py runners/test_runner test_dirs_root:1g12gg2 # run a specific test permutation
./scripts/test.py runners/test_runner test_dirs_root:1g12gg2 --gdb # drop into gdb on failure
```
Some other flags that may be useful:
```bash
./scripts/test.py runners/test_runner -b -j # run tests in parallel
./scripts/test.py runners/test_runner -v -O- # redirect stdout to stdout
./scripts/test.py runners/test_runner -ddisk # capture resulting disk image
```
See `-h/--help` for a full list of available flags:
``` bash
./scripts/test.py --help
```
## License
The littlefs is provided under the [BSD-3-Clause] license. See
[LICENSE.md](LICENSE.md) for more information. Contributions to this project
are accepted under the same license.
Individual files contain the following tag instead of the full license text.
SPDX-License-Identifier: BSD-3-Clause
This enables machine processing of license information based on the SPDX
License Identifiers that are here available: http://spdx.org/licenses/
## Related projects
- [littlefs-fuse] - A [FUSE] wrapper for littlefs. The project allows you to
mount littlefs directly on a Linux machine. Can be useful for debugging
littlefs if you have an SD card handy.
- [littlefs-js] - A javascript wrapper for littlefs. I'm not sure why you would
want this, but it is handy for demos. You can see it in action
[here][littlefs-js-demo].
- [littlefs-python] - A Python wrapper for littlefs. The project allows you
to create images of the filesystem on your PC. Check if littlefs will fit
your needs, create images for a later download to the target memory or
inspect the content of a binary image of the target memory.
- [littlefs-toy] - A command-line tool for creating and working with littlefs
images. Uses syntax similar to tar command for ease of use. Supports working
on littlefs images embedded inside another file (firmware image, etc).
- [littlefs2-rust] - A Rust wrapper for littlefs. This project allows you
to use littlefs in a Rust-friendly API, reaping the benefits of Rust's memory
safety and other guarantees.
- [nim-littlefs] - A Nim wrapper and API for littlefs. Includes a fuse
implementation based on [littlefs-fuse]
- [chamelon] - A pure-OCaml implementation of (most of) littlefs, designed for
use with the MirageOS library operating system project. It is interoperable
with the reference implementation, with some caveats.
- [littlefs-disk-img-viewer] - A memory-efficient web application for viewing
littlefs disk images in your web browser.
- [mklfs] - A command line tool for creating littlefs images. Used in the Lua
RTOS ecosystem.
- [mklittlefs] - A command line tool for creating littlefs images. Used in the
ESP8266 and RP2040 ecosystem.
- [pico-littlefs-usb] - An interface for littlefs that emulates a FAT12
filesystem over USB. Allows mounting littlefs on a host PC without additional
drivers.
- [ramcrc32bd] - An example block device using littlefs's 32-bit CRC for
error-correction.
- [ramrsbd] - An example block device using Reed-Solomon codes for
error-correction.
- [Mbed OS] - The easiest way to get started with littlefs is to jump into Mbed
which already has block device drivers for most forms of embedded storage.
littlefs is available in Mbed OS as the [LittleFileSystem] class.
- [SPIFFS] - Another excellent embedded filesystem for NOR flash. As a more
traditional logging filesystem with full static wear-leveling, SPIFFS will
likely outperform littlefs on small memories such as the internal flash on
microcontrollers.
- [Dhara] - An interesting NAND flash translation layer designed for small
MCUs. It offers static wear-leveling and power-resilience with only a fixed
_O(|address|)_ pointer structure stored on each block and in RAM.
- [ChaN's FatFs] - A lightweight reimplementation of the infamous FAT filesystem
for microcontroller-scale devices. Due to limitations of FAT it can't provide
power-loss resilience, but it does allow easy interop with PCs.
[BSD-3-Clause]: https://spdx.org/licenses/BSD-3-Clause.html
[littlefs-fuse]: https://github.com/geky/littlefs-fuse
[FUSE]: https://github.com/libfuse/libfuse
[littlefs-js]: https://github.com/geky/littlefs-js
[littlefs-js-demo]:http://littlefs.geky.net/demo.html
[littlefs-python]: https://pypi.org/project/littlefs-python/
[littlefs-toy]: https://github.com/tjko/littlefs-toy
[littlefs2-rust]: https://crates.io/crates/littlefs2
[nim-littlefs]: https://github.com/Graveflo/nim-littlefs
[chamelon]: https://github.com/yomimono/chamelon
[littlefs-disk-img-viewer]: https://github.com/tniessen/littlefs-disk-img-viewer
[mklfs]: https://github.com/whitecatboard/Lua-RTOS-ESP32/tree/master/components/mklfs/src
[mklittlefs]: https://github.com/earlephilhower/mklittlefs
[pico-littlefs-usb]: https://github.com/oyama/pico-littlefs-usb
[ramcrc32bd]: https://github.com/geky/ramcrc32bd
[ramrsbd]: https://github.com/geky/ramrsbd
[Mbed OS]: https://github.com/armmbed/mbed-os
[LittleFileSystem]: https://os.mbed.com/docs/mbed-os/latest/apis/littlefilesystem.html
[SPIFFS]: https://github.com/pellepl/spiffs
[Dhara]: https://github.com/dlbeer/dhara
[ChaN's FatFs]: http://elm-chan.org/fsw/ff/00index_e.html

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# RT-Thread building script for component
import os
import shutil
from building import *
cwd = GetCurrentDir()
src = Glob('*.c') + Glob('*.cpp')
CPPPATH = [cwd]
CPPDEFINES = ['LFS_CONFIG=lfs_config.h']
#delate non-used files
try:
shutil.rmtree(os.path.join(cwd,'.github'))
shutil.rmtree(os.path.join(cwd,'bd'))
shutil.rmtree(os.path.join(cwd,'scripts'))
shutil.rmtree(os.path.join(cwd,'tests'))
os.remove(os.path.join(cwd,'Makefile'))
except:
pass
group = DefineGroup('littlefs', src, depend = ['PKG_USING_LITTLEFS', 'RT_USING_DFS'], CPPPATH = CPPPATH, CPPDEFINES = CPPDEFINES)
Return('group')

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## littlefs technical specification
This is the technical specification of the little filesystem with on-disk
version lfs2.1. This document covers the technical details of how the littlefs
is stored on disk for introspection and tooling. This document assumes you are
familiar with the design of the littlefs, for more info on how littlefs works
check out [DESIGN.md](DESIGN.md).
```
| | | .---._____
.-----. | |
--|o |---| littlefs |
--| |---| |
'-----' '----------'
| | |
```
## Some quick notes
- littlefs is a block-based filesystem. The disk is divided into an array of
evenly sized blocks that are used as the logical unit of storage.
- Block pointers are stored in 32 bits, with the special value `0xffffffff`
representing a null block address.
- In addition to the logical block size (which usually matches the erase
block size), littlefs also uses a program block size and read block size.
These determine the alignment of block device operations, but don't need
to be consistent for portability.
- By default, all values in littlefs are stored in little-endian byte order.
## Directories / Metadata pairs
Metadata pairs form the backbone of littlefs and provide a system for
distributed atomic updates. Even the superblock is stored in a metadata pair.
As their name suggests, a metadata pair is stored in two blocks, with one block
providing a backup during erase cycles in case power is lost. These two blocks
are not necessarily sequential and may be anywhere on disk, so a "pointer" to a
metadata pair is stored as two block pointers.
On top of this, each metadata block behaves as an appendable log, containing a
variable number of commits. Commits can be appended to the metadata log in
order to update the metadata without requiring an erase cycles. Note that
successive commits may supersede the metadata in previous commits. Only the
most recent metadata should be considered valid.
The high-level layout of a metadata block is fairly simple:
```
.---------------------------------------.
.-| revision count | entries | \
| |-------------------+ | |
| | | |
| | | +-- 1st commit
| | | |
| | +-------------------| |
| | | CRC | /
| |-------------------+-------------------|
| | entries | \
| | | |
| | | +-- 2nd commit
| | +-------------------+--------------| |
| | | CRC | padding | /
| |----+-------------------+--------------|
| | entries | \
| | | |
| | | +-- 3rd commit
| | +-------------------+---------| |
| | | CRC | | /
| |---------+-------------------+ |
| | unwritten storage | more commits
| | | |
| | | v
| | |
| | |
| '---------------------------------------'
'---------------------------------------'
```
Each metadata block contains a 32-bit revision count followed by a number of
commits. Each commit contains a variable number of metadata entries followed
by a 32-bit CRC.
Note also that entries aren't necessarily word-aligned. This allows us to
store metadata more compactly, however we can only write to addresses that are
aligned to our program block size. This means each commit may have padding for
alignment.
Metadata block fields:
1. **Revision count (32-bits)** - Incremented every erase cycle. If both blocks
contain valid commits, only the block with the most recent revision count
should be used. Sequence comparison must be used to avoid issues with
integer overflow.
2. **CRC (32-bits)** - Detects corruption from power-loss or other write
issues. Uses a CRC-32 with a polynomial of `0x04c11db7` initialized
with `0xffffffff`.
Entries themselves are stored as a 32-bit tag followed by a variable length
blob of data. But exactly how these tags are stored is a little bit tricky.
Metadata blocks support both forward and backward iteration. In order to do
this without duplicating the space for each tag, neighboring entries have their
tags XORed together, starting with `0xffffffff`.
```
Forward iteration Backward iteration
.-------------------. 0xffffffff .-------------------.
| revision count | | | revision count |
|-------------------| v |-------------------|
| tag ~A |---> xor -> tag A | tag ~A |---> xor -> 0xffffffff
|-------------------| | |-------------------| ^
| data A | | | data A | |
| | | | | |
| | | | | |
|-------------------| v |-------------------| |
| tag AxB |---> xor -> tag B | tag AxB |---> xor -> tag A
|-------------------| | |-------------------| ^
| data B | | | data B | |
| | | | | |
| | | | | |
|-------------------| v |-------------------| |
| tag BxC |---> xor -> tag C | tag BxC |---> xor -> tag B
|-------------------| |-------------------| ^
| data C | | data C | |
| | | | tag C
| | | |
| | | |
'-------------------' '-------------------'
```
Here's a more complete example of metadata block containing 4 entries:
```
.---------------------------------------.
.-| revision count | tag ~A | \
| |-------------------+-------------------| |
| | data A | |
| | | |
| |-------------------+-------------------| |
| | tag AxB | data B | <--. |
| |-------------------+ | | |
| | | | +-- 1st commit
| | +-------------------+---------| | |
| | | tag BxC | | <-.| |
| |---------+-------------------+ | || |
| | data C | || |
| | | || |
| |-------------------+-------------------| || |
| | tag CxCRC | CRC | || /
| |-------------------+-------------------| ||
| | tag CRCxA' | data A' | || \
| |-------------------+ | || |
| | | || |
| | +-------------------+----| || +-- 2nd commit
| | | tag CRCxA' | | || |
| |--------------+-------------------+----| || |
| | CRC | padding | || /
| |--------------+----+-------------------| ||
| | tag CRCxA'' | data A'' | <---. \
| |-------------------+ | ||| |
| | | ||| |
| | +-------------------+---------| ||| |
| | | tag A''xD | | < ||| |
| |---------+-------------------+ | |||| +-- 3rd commit
| | data D | |||| |
| | +---------| |||| |
| | | tag Dx| |||| |
| |---------+-------------------+---------| |||| |
| |CRC | CRC | | |||| /
| |---------+-------------------+ | ||||
| | unwritten storage | |||| more commits
| | | |||| |
| | | |||| v
| | | ||||
| | | ||||
| '---------------------------------------' ||||
'---------------------------------------' |||'- most recent A
||'-- most recent B
|'--- most recent C
'---- most recent D
```
Two things to note before we get into the details around tag encoding:
1. Each tag contains a valid bit used to indicate if the tag and containing
commit is valid. After XORing, this bit should always be zero.
At the end of each commit, the valid bit of the previous tag is XORed
with the lowest bit in the type field of the CRC tag. This allows
the CRC tag to force the next commit to fail the valid bit test if it
has not yet been written to.
2. The valid bit alone is not enough info to know if the next commit has been
erased. We don't know the order bits will be programmed in a program block,
so it's possible that the next commit had an attempted program that left the
valid bit unchanged.
To ensure we only ever program erased bytes, each commit can contain an
optional forward-CRC (FCRC). An FCRC contains a checksum of some amount of
bytes in the next commit at the time it was erased.
```
.-------------------. \ \
| revision count | | |
|-------------------| | |
| metadata | | |
| | +---. +-- current commit
| | | | |
|-------------------| | | |
| FCRC ---|-. | |
|-------------------| / | | |
| CRC -----|-' /
|-------------------| |
| padding | | padding (does't need CRC)
| | |
|-------------------| \ | \
| erased? | +-' |
| | | | +-- next commit
| v | / |
| | /
| |
'-------------------'
```
If the FCRC is missing or the checksum does not match, we must assume a
commit was attempted but failed due to power-loss.
Note that end-of-block commits do not need an FCRC.
## Metadata tags
So in littlefs, 32-bit tags describe every type of metadata. And this means
_every_ type of metadata, including file entries, directory fields, and
global state. Even the CRCs used to mark the end of commits get their own tag.
Because of this, the tag format contains some densely packed information. Note
that there are multiple levels of types which break down into more info:
```
[---- 32 ----]
[1|-- 11 --|-- 10 --|-- 10 --]
^. ^ . ^ ^- length
|. | . '------------ id
|. '-----.------------------ type (type3)
'.-----------.------------------ valid bit
[-3-|-- 8 --]
^ ^- chunk
'------- type (type1)
```
Before we go further, there's one important thing to note. These tags are
**not** stored in little-endian. Tags stored in commits are actually stored
in big-endian (and is the only thing in littlefs stored in big-endian). This
little bit of craziness comes from the fact that the valid bit must be the
first bit in a commit, and when converted to little-endian, the valid bit finds
itself in byte 4. We could restructure the tag to store the valid bit lower,
but, because none of the fields are byte-aligned, this would be more
complicated than just storing the tag in big-endian.
Another thing to note is that both the tags `0x00000000` and `0xffffffff` are
invalid and can be used for null values.
Metadata tag fields:
1. **Valid bit (1-bit)** - Indicates if the tag is valid.
2. **Type3 (11-bits)** - Type of the tag. This field is broken down further
into a 3-bit abstract type and an 8-bit chunk field. Note that the value
`0x000` is invalid and not assigned a type.
1. **Type1 (3-bits)** - Abstract type of the tag. Groups the tags into
8 categories that facilitate bitmasked lookups.
2. **Chunk (8-bits)** - Chunk field used for various purposes by the different
abstract types. type1+chunk+id form a unique identifier for each tag in the
metadata block.
3. **Id (10-bits)** - File id associated with the tag. Each file in a metadata
block gets a unique id which is used to associate tags with that file. The
special value `0x3ff` is used for any tags that are not associated with a
file, such as directory and global metadata.
4. **Length (10-bits)** - Length of the data in bytes. The special value
`0x3ff` indicates that this tag has been deleted.
## Metadata types
What follows is an exhaustive list of metadata in littlefs.
---
#### `0x401` LFS_TYPE_CREATE
Creates a new file with this id. Note that files in a metadata block
don't necessarily need a create tag. All a create does is move over any
files using this id. In this sense a create is similar to insertion into
an imaginary array of files.
The create and delete tags allow littlefs to keep files in a directory
ordered alphabetically by filename.
---
#### `0x4ff` LFS_TYPE_DELETE
Deletes the file with this id. An inverse to create, this tag moves over
any files neighboring this id similar to a deletion from an imaginary
array of files.
---
#### `0x0xx` LFS_TYPE_NAME
Associates the id with a file name and file type.
The data contains the file name stored as an ASCII string (may be expanded to
UTF8 in the future).
The chunk field in this tag indicates an 8-bit file type which can be one of
the following.
Currently, the name tag must precede any other tags associated with the id and
can not be reassigned without deleting the file.
Layout of the name tag:
```
tag data
[-- 32 --][--- variable length ---]
[1| 3| 8 | 10 | 10 ][--- (size * 8) ---]
^ ^ ^ ^ ^- size ^- file name
| | | '------ id
| | '----------- file type
| '-------------- type1 (0x0)
'----------------- valid bit
```
Name fields:
1. **file type (8-bits)** - Type of the file.
2. **file name** - File name stored as an ASCII string.
---
#### `0x001` LFS_TYPE_REG
Initializes the id + name as a regular file.
How each file is stored depends on its struct tag, which is described below.
---
#### `0x002` LFS_TYPE_DIR
Initializes the id + name as a directory.
Directories in littlefs are stored on disk as a linked-list of metadata pairs,
each pair containing any number of files in alphabetical order. A pointer to
the directory is stored in the struct tag, which is described below.
---
#### `0x0ff` LFS_TYPE_SUPERBLOCK
Initializes the id as a superblock entry.
The superblock entry is a special entry used to store format-time configuration
and identify the filesystem.
The name is a bit of a misnomer. While the superblock entry serves the same
purpose as a superblock found in other filesystems, in littlefs the superblock
does not get a dedicated block. Instead, the superblock entry is duplicated
across a linked-list of metadata pairs rooted on the blocks 0 and 1. The last
metadata pair doubles as the root directory of the filesystem.
```
.--------. .--------. .--------. .--------. .--------.
.| super |->| super |->| super |->| super |->| file B |
|| block | || block | || block | || block | || file C |
|| | || | || | || file A | || file D |
|'--------' |'--------' |'--------' |'--------' |'--------'
'--------' '--------' '--------' '--------' '--------'
\----------------+----------------/ \----------+----------/
superblock pairs root directory
```
The filesystem starts with only the root directory. The superblock metadata
pairs grow every time the root pair is compacted in order to prolong the
life of the device exponentially.
The contents of the superblock entry are stored in a name tag with the
superblock type and an inline-struct tag. The name tag contains the magic
string "littlefs", while the inline-struct tag contains version and
configuration information.
Layout of the superblock name tag and inline-struct tag:
```
tag data
[-- 32 --][-- 32 --|-- 32 --]
[1|- 11 -| 10 | 10 ][--- 64 ---]
^ ^ ^ ^- size (8) ^- magic string ("littlefs")
| | '------ id (0)
| '------------ type (0x0ff)
'----------------- valid bit
tag data
[-- 32 --][-- 32 --|-- 32 --|-- 32 --]
[1|- 11 -| 10 | 10 ][-- 32 --|-- 32 --|-- 32 --]
^ ^ ^ ^ ^- version ^- block size ^- block count
| | | | [-- 32 --|-- 32 --|-- 32 --]
| | | | [-- 32 --|-- 32 --|-- 32 --]
| | | | ^- name max ^- file max ^- attr max
| | | '- size (24)
| | '------ id (0)
| '------------ type (0x201)
'----------------- valid bit
```
Superblock fields:
1. **Magic string (8-bytes)** - Magic string indicating the presence of
littlefs on the device. Must be the string "littlefs".
2. **Version (32-bits)** - The version of littlefs at format time. The version
is encoded in a 32-bit value with the upper 16-bits containing the major
version, and the lower 16-bits containing the minor version.
This specification describes version 2.0 (`0x00020000`).
3. **Block size (32-bits)** - Size of the logical block size used by the
filesystem in bytes.
4. **Block count (32-bits)** - Number of blocks in the filesystem.
5. **Name max (32-bits)** - Maximum size of file names in bytes.
6. **File max (32-bits)** - Maximum size of files in bytes.
7. **Attr max (32-bits)** - Maximum size of file attributes in bytes.
The superblock must always be the first entry (id 0) in the metadata pair, and
the name tag must always be the first tag in the metadata pair. This makes it
so that the magic string "littlefs" will always reside at offset=8 in a valid
littlefs superblock.
---
#### `0x2xx` LFS_TYPE_STRUCT
Associates the id with an on-disk data structure.
The exact layout of the data depends on the data structure type stored in the
chunk field and can be one of the following.
Any type of struct supersedes all other structs associated with the id. For
example, appending a ctz-struct replaces an inline-struct on the same file.
---
#### `0x200` LFS_TYPE_DIRSTRUCT
Gives the id a directory data structure.
Directories in littlefs are stored on disk as a linked-list of metadata pairs,
each pair containing any number of files in alphabetical order.
```
|
v
.--------. .--------. .--------. .--------. .--------. .--------.
.| file A |->| file D |->| file G |->| file I |->| file J |->| file M |
|| file B | || file E | || file H | || | || file K | || file N |
|| file C | || file F | || | || | || file L | || |
|'--------' |'--------' |'--------' |'--------' |'--------' |'--------'
'--------' '--------' '--------' '--------' '--------' '--------'
```
The dir-struct tag contains only the pointer to the first metadata-pair in the
directory. The directory size is not known without traversing the directory.
The pointer to the next metadata-pair in the directory is stored in a tail tag,
which is described below.
Layout of the dir-struct tag:
```
tag data
[-- 32 --][-- 32 --|-- 32 --]
[1|- 11 -| 10 | 10 ][--- 64 ---]
^ ^ ^ ^- size (8) ^- metadata pair
| | '------ id
| '------------ type (0x200)
'----------------- valid bit
```
Dir-struct fields:
1. **Metadata pair (8-bytes)** - Pointer to the first metadata-pair
in the directory.
---
#### `0x201` LFS_TYPE_INLINESTRUCT
Gives the id an inline data structure.
Inline structs store small files that can fit in the metadata pair. In this
case, the file data is stored directly in the tag's data area.
Layout of the inline-struct tag:
```
tag data
[-- 32 --][--- variable length ---]
[1|- 11 -| 10 | 10 ][--- (size * 8) ---]
^ ^ ^ ^- size ^- inline data
| | '------ id
| '------------ type (0x201)
'----------------- valid bit
```
Inline-struct fields:
1. **Inline data** - File data stored directly in the metadata-pair.
---
#### `0x202` LFS_TYPE_CTZSTRUCT
Gives the id a CTZ skip-list data structure.
CTZ skip-lists store files that can not fit in the metadata pair. These files
are stored in a skip-list in reverse, with a pointer to the head of the
skip-list. Note that the head of the skip-list and the file size is enough
information to read the file.
How exactly CTZ skip-lists work is a bit complicated. A full explanation can be
found in the [DESIGN.md](DESIGN.md#ctz-skip-lists).
A quick summary: For every _n_&zwj;th block where _n_ is divisible by
2&zwj;_&#739;_, that block contains a pointer to block _n_-2&zwj;_&#739;_.
These pointers are stored in increasing order of _x_ in each block of the file
before the actual data.
```
|
v
.--------. .--------. .--------. .--------. .--------. .--------.
| A |<-| D |<-| G |<-| J |<-| M |<-| P |
| B |<-| E |--| H |<-| K |--| N | | Q |
| C |<-| F |--| I |--| L |--| O | | |
'--------' '--------' '--------' '--------' '--------' '--------'
block 0 block 1 block 2 block 3 block 4 block 5
1 skip 2 skips 1 skip 3 skips 1 skip
```
Note that the maximum number of pointers in a block is bounded by the maximum
file size divided by the block size. With 32 bits for file size, this results
in a minimum block size of 104 bytes.
Layout of the CTZ-struct tag:
```
tag data
[-- 32 --][-- 32 --|-- 32 --]
[1|- 11 -| 10 | 10 ][-- 32 --|-- 32 --]
^ ^ ^ ^ ^ ^- file size
| | | | '-------------------- file head
| | | '- size (8)
| | '------ id
| '------------ type (0x202)
'----------------- valid bit
```
CTZ-struct fields:
1. **File head (32-bits)** - Pointer to the block that is the head of the
file's CTZ skip-list.
2. **File size (32-bits)** - Size of the file in bytes.
---
#### `0x3xx` LFS_TYPE_USERATTR
Attaches a user attribute to an id.
littlefs has a concept of "user attributes". These are small user-provided
attributes that can be used to store things like timestamps, hashes,
permissions, etc.
Each user attribute is uniquely identified by an 8-bit type which is stored in
the chunk field, and the user attribute itself can be found in the tag's data.
There are currently no standard user attributes and a portable littlefs
implementation should work with any user attributes missing.
Layout of the user-attr tag:
```
tag data
[-- 32 --][--- variable length ---]
[1| 3| 8 | 10 | 10 ][--- (size * 8) ---]
^ ^ ^ ^ ^- size ^- attr data
| | | '------ id
| | '----------- attr type
| '-------------- type1 (0x3)
'----------------- valid bit
```
User-attr fields:
1. **Attr type (8-bits)** - Type of the user attributes.
2. **Attr data** - The data associated with the user attribute.
---
#### `0x6xx` LFS_TYPE_TAIL
Provides the tail pointer for the metadata pair itself.
The metadata pair's tail pointer is used in littlefs for a linked-list
containing all metadata pairs. The chunk field contains the type of the tail,
which indicates if the following metadata pair is a part of the directory
(hard-tail) or only used to traverse the filesystem (soft-tail).
```
.--------.
.| dir A |-.
||softtail| |
.--------| |-'
| |'--------'
| '---|--|-'
| .-' '-------------.
| v v
| .--------. .--------. .--------.
'->| dir B |->| dir B |->| dir C |
||hardtail| ||softtail| || |
|| | || | || |
|'--------' |'--------' |'--------'
'--------' '--------' '--------'
```
Currently any type supersedes any other preceding tails in the metadata pair,
but this may change if additional metadata pair state is added.
A note about the metadata pair linked-list: Normally, this linked-list contains
every metadata pair in the filesystem. However, there are some operations that
can cause this linked-list to become out of sync if a power-loss were to occur.
When this happens, littlefs sets the "sync" flag in the global state. How
exactly this flag is stored is described below.
When the sync flag is set:
1. The linked-list may contain an orphaned directory that has been removed in
the filesystem.
2. The linked-list may contain a metadata pair with a bad block that has been
replaced in the filesystem.
If the sync flag is set, the threaded linked-list must be checked for these
errors before it can be used reliably. Note that the threaded linked-list can
be ignored if littlefs is mounted read-only.
Layout of the tail tag:
```
tag data
[-- 32 --][-- 32 --|-- 32 --]
[1| 3| 8 | 10 | 10 ][--- 64 ---]
^ ^ ^ ^ ^- size (8) ^- metadata pair
| | | '------ id
| | '---------- tail type
| '------------- type1 (0x6)
'---------------- valid bit
```
Tail fields:
1. **Tail type (8-bits)** - Type of the tail pointer.
2. **Metadata pair (8-bytes)** - Pointer to the next metadata-pair.
---
#### `0x600` LFS_TYPE_SOFTTAIL
Provides a tail pointer that points to the next metadata pair in the
filesystem.
In this case, the next metadata pair is not a part of our current directory
and should only be followed when traversing the entire filesystem.
---
#### `0x601` LFS_TYPE_HARDTAIL
Provides a tail pointer that points to the next metadata pair in the
directory.
In this case, the next metadata pair belongs to the current directory. Note
that because directories in littlefs are sorted alphabetically, the next
metadata pair should only contain filenames greater than any filename in the
current pair.
---
#### `0x7xx` LFS_TYPE_GSTATE
Provides delta bits for global state entries.
littlefs has a concept of "global state". This is a small set of state that
can be updated by a commit to _any_ metadata pair in the filesystem.
The way this works is that the global state is stored as a set of deltas
distributed across the filesystem such that the global state can be found by
the xor-sum of these deltas.
```
.--------. .--------. .--------. .--------. .--------.
.| |->| gdelta |->| |->| gdelta |->| gdelta |
|| | || 0x23 | || | || 0xff | || 0xce |
|| | || | || | || | || |
|'--------' |'--------' |'--------' |'--------' |'--------'
'--------' '----|---' '--------' '----|---' '----|---'
v v v
0x00 --> xor ------------------> xor ------> xor --> gstate = 0x12
```
Note that storing globals this way is very expensive in terms of storage usage,
so any global state should be kept very small.
The size and format of each piece of global state depends on the type, which
is stored in the chunk field. Currently, the only global state is move state,
which is outlined below.
---
#### `0x7ff` LFS_TYPE_MOVESTATE
Provides delta bits for the global move state.
The move state in littlefs is used to store info about operations that could
cause to filesystem to go out of sync if the power is lost. The operations
where this could occur is moves of files between metadata pairs and any
operation that changes metadata pairs on the threaded linked-list.
In the case of moves, the move state contains a tag + metadata pair describing
the source of the ongoing move. If this tag is non-zero, that means that power
was lost during a move, and the file exists in two different locations. If this
happens, the source of the move should be considered deleted, and the move
should be completed (the source should be deleted) before any other write
operations to the filesystem.
In the case of operations to the threaded linked-list, a single "sync" bit is
used to indicate that a modification is ongoing. If this sync flag is set, the
threaded linked-list will need to be checked for errors before it can be used
reliably. The exact cases to check for are described above in the tail tag.
Layout of the move state:
```
tag data
[-- 32 --][-- 32 --|-- 32 --|-- 32 --]
[1|- 11 -| 10 | 10 ][1|- 11 -| 10 | 10 |--- 64 ---]
^ ^ ^ ^ ^ ^ ^ ^- padding (0) ^- metadata pair
| | | | | | '------ move id
| | | | | '------------ move type
| | | | '----------------- sync bit
| | | |
| | | '- size (12)
| | '------ id (0x3ff)
| '------------ type (0x7ff)
'----------------- valid bit
```
Move state fields:
1. **Sync bit (1-bit)** - Indicates if the metadata pair threaded linked-list
is in-sync. If set, the threaded linked-list should be checked for errors.
2. **Move type (11-bits)** - Type of move being performed. Must be either
`0x000`, indicating no move, or `0x4ff` indicating the source file should
be deleted.
3. **Move id (10-bits)** - The file id being moved.
4. **Metadata pair (8-bytes)** - Pointer to the metadata-pair containing
the move.
---
#### `0x5xx` LFS_TYPE_CRC
Last but not least, the CRC tag marks the end of a commit and provides a
checksum for any commits to the metadata block.
The first 32-bits of the data contain a CRC-32 with a polynomial of
`0x04c11db7` initialized with `0xffffffff`. This CRC provides a checksum for
all metadata since the previous CRC tag, including the CRC tag itself. For
the first commit, this includes the revision count for the metadata block.
However, the size of the data is not limited to 32-bits. The data field may
larger to pad the commit to the next program-aligned boundary.
In addition, the CRC tag's chunk field contains a set of flags which can
change the behaviour of commits. Currently the only flag in use is the lowest
bit, which determines the expected state of the valid bit for any following
tags. This is used to guarantee that unwritten storage in a metadata block
will be detected as invalid.
Layout of the CRC tag:
```
tag data
[-- 32 --][-- 32 --|--- variable length ---]
[1| 3| 8 | 10 | 10 ][-- 32 --|--- (size * 8 - 32) ---]
^ ^ ^ ^ ^ ^- crc ^- padding
| | | | '- size
| | | '------ id (0x3ff)
| | '----------- valid state
| '-------------- type1 (0x5)
'----------------- valid bit
```
CRC fields:
1. **Valid state (1-bit)** - Indicates the expected value of the valid bit for
any tags in the next commit.
2. **CRC (32-bits)** - CRC-32 with a polynomial of `0x04c11db7` initialized
with `0xffffffff`.
3. **Padding** - Padding to the next program-aligned boundary. No guarantees
are made about the contents.
---
#### `0x5ff` LFS_TYPE_FCRC
Added in lfs2.1, the optional FCRC tag contains a checksum of some amount of
bytes in the next commit at the time it was erased. This allows us to ensure
that we only ever program erased bytes, even if a previous commit failed due
to power-loss.
When programming a commit, the FCRC size must be at least as large as the
program block size. However, the program block is not saved on disk, and can
change between mounts, so the FCRC size on disk may be different than the
current program block size.
If the FCRC is missing or the checksum does not match, we must assume a
commit was attempted but failed due to power-loss.
Layout of the FCRC tag:
```
tag data
[-- 32 --][-- 32 --|-- 32 --]
[1|- 11 -| 10 | 10 ][-- 32 --|-- 32 --]
^ ^ ^ ^ ^- fcrc size ^- fcrc
| | | '- size (8)
| | '------ id (0x3ff)
| '------------ type (0x5ff)
'----------------- valid bit
```
FCRC fields:
1. **FCRC size (32-bits)** - Number of bytes after this commit's CRC tag's
padding to include in the FCRC.
2. **FCRC (32-bits)** - CRC of the bytes after this commit's CRC tag's padding
when erased. Like the CRC tag, this uses a CRC-32 with a polynomial of
`0x04c11db7` initialized with `0xffffffff`.
---

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packages/littlefs-v2.11.2/benches/bench_dir.toml
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@ -0,0 +1,270 @@
[cases.bench_dir_open]
# 0 = in-order
# 1 = reversed-order
# 2 = random-order
defines.ORDER = [0, 1, 2]
defines.N = 1024
defines.FILE_SIZE = 8
defines.CHUNK_SIZE = 8
code = '''
lfs_t lfs;
lfs_format(&lfs, cfg) => 0;
lfs_mount(&lfs, cfg) => 0;
// first create the files
char name[256];
uint8_t buffer[CHUNK_SIZE];
for (lfs_size_t i = 0; i < N; i++) {
sprintf(name, "file%08x", i);
lfs_file_t file;
lfs_file_open(&lfs, &file, name,
LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
uint32_t file_prng = i;
for (lfs_size_t j = 0; j < FILE_SIZE; j += CHUNK_SIZE) {
for (lfs_size_t k = 0; k < CHUNK_SIZE; k++) {
buffer[k] = BENCH_PRNG(&file_prng);
}
lfs_file_write(&lfs, &file, buffer, CHUNK_SIZE) => CHUNK_SIZE;
}
lfs_file_close(&lfs, &file) => 0;
}
// then read the files
BENCH_START();
uint32_t prng = 42;
for (lfs_size_t i = 0; i < N; i++) {
lfs_off_t i_
= (ORDER == 0) ? i
: (ORDER == 1) ? (N-1-i)
: BENCH_PRNG(&prng) % N;
sprintf(name, "file%08x", i_);
lfs_file_t file;
lfs_file_open(&lfs, &file, name, LFS_O_RDONLY) => 0;
uint32_t file_prng = i_;
for (lfs_size_t j = 0; j < FILE_SIZE; j += CHUNK_SIZE) {
lfs_file_read(&lfs, &file, buffer, CHUNK_SIZE) => CHUNK_SIZE;
for (lfs_size_t k = 0; k < CHUNK_SIZE; k++) {
assert(buffer[k] == BENCH_PRNG(&file_prng));
}
}
lfs_file_close(&lfs, &file) => 0;
}
BENCH_STOP();
lfs_unmount(&lfs) => 0;
'''
[cases.bench_dir_creat]
# 0 = in-order
# 1 = reversed-order
# 2 = random-order
defines.ORDER = [0, 1, 2]
defines.N = 1024
defines.FILE_SIZE = 8
defines.CHUNK_SIZE = 8
code = '''
lfs_t lfs;
lfs_format(&lfs, cfg) => 0;
lfs_mount(&lfs, cfg) => 0;
BENCH_START();
uint32_t prng = 42;
char name[256];
uint8_t buffer[CHUNK_SIZE];
for (lfs_size_t i = 0; i < N; i++) {
lfs_off_t i_
= (ORDER == 0) ? i
: (ORDER == 1) ? (N-1-i)
: BENCH_PRNG(&prng) % N;
sprintf(name, "file%08x", i_);
lfs_file_t file;
lfs_file_open(&lfs, &file, name,
LFS_O_WRONLY | LFS_O_CREAT | LFS_O_TRUNC) => 0;
uint32_t file_prng = i_;
for (lfs_size_t j = 0; j < FILE_SIZE; j += CHUNK_SIZE) {
for (lfs_size_t k = 0; k < CHUNK_SIZE; k++) {
buffer[k] = BENCH_PRNG(&file_prng);
}
lfs_file_write(&lfs, &file, buffer, CHUNK_SIZE) => CHUNK_SIZE;
}
lfs_file_close(&lfs, &file) => 0;
}
BENCH_STOP();
lfs_unmount(&lfs) => 0;
'''
[cases.bench_dir_remove]
# 0 = in-order
# 1 = reversed-order
# 2 = random-order
defines.ORDER = [0, 1, 2]
defines.N = 1024
defines.FILE_SIZE = 8
defines.CHUNK_SIZE = 8
code = '''
lfs_t lfs;
lfs_format(&lfs, cfg) => 0;
lfs_mount(&lfs, cfg) => 0;
// first create the files
char name[256];
uint8_t buffer[CHUNK_SIZE];
for (lfs_size_t i = 0; i < N; i++) {
sprintf(name, "file%08x", i);
lfs_file_t file;
lfs_file_open(&lfs, &file, name,
LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
uint32_t file_prng = i;
for (lfs_size_t j = 0; j < FILE_SIZE; j += CHUNK_SIZE) {
for (lfs_size_t k = 0; k < CHUNK_SIZE; k++) {
buffer[k] = BENCH_PRNG(&file_prng);
}
lfs_file_write(&lfs, &file, buffer, CHUNK_SIZE) => CHUNK_SIZE;
}
lfs_file_close(&lfs, &file) => 0;
}
// then remove the files
BENCH_START();
uint32_t prng = 42;
for (lfs_size_t i = 0; i < N; i++) {
lfs_off_t i_
= (ORDER == 0) ? i
: (ORDER == 1) ? (N-1-i)
: BENCH_PRNG(&prng) % N;
sprintf(name, "file%08x", i_);
int err = lfs_remove(&lfs, name);
assert(!err || err == LFS_ERR_NOENT);
}
BENCH_STOP();
lfs_unmount(&lfs) => 0;
'''
[cases.bench_dir_read]
defines.N = 1024
defines.FILE_SIZE = 8
defines.CHUNK_SIZE = 8
code = '''
lfs_t lfs;
lfs_format(&lfs, cfg) => 0;
lfs_mount(&lfs, cfg) => 0;
// first create the files
char name[256];
uint8_t buffer[CHUNK_SIZE];
for (lfs_size_t i = 0; i < N; i++) {
sprintf(name, "file%08x", i);
lfs_file_t file;
lfs_file_open(&lfs, &file, name,
LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
uint32_t file_prng = i;
for (lfs_size_t j = 0; j < FILE_SIZE; j += CHUNK_SIZE) {
for (lfs_size_t k = 0; k < CHUNK_SIZE; k++) {
buffer[k] = BENCH_PRNG(&file_prng);
}
lfs_file_write(&lfs, &file, buffer, CHUNK_SIZE) => CHUNK_SIZE;
}
lfs_file_close(&lfs, &file) => 0;
}
// then read the directory
BENCH_START();
lfs_dir_t dir;
lfs_dir_open(&lfs, &dir, "/") => 0;
struct lfs_info info;
lfs_dir_read(&lfs, &dir, &info) => 1;
assert(info.type == LFS_TYPE_DIR);
assert(strcmp(info.name, ".") == 0);
lfs_dir_read(&lfs, &dir, &info) => 1;
assert(info.type == LFS_TYPE_DIR);
assert(strcmp(info.name, "..") == 0);
for (int i = 0; i < N; i++) {
sprintf(name, "file%08x", i);
lfs_dir_read(&lfs, &dir, &info) => 1;
assert(info.type == LFS_TYPE_REG);
assert(strcmp(info.name, name) == 0);
}
lfs_dir_read(&lfs, &dir, &info) => 0;
lfs_dir_close(&lfs, &dir) => 0;
BENCH_STOP();
lfs_unmount(&lfs) => 0;
'''
[cases.bench_dir_mkdir]
# 0 = in-order
# 1 = reversed-order
# 2 = random-order
defines.ORDER = [0, 1, 2]
defines.N = 8
code = '''
lfs_t lfs;
lfs_format(&lfs, cfg) => 0;
lfs_mount(&lfs, cfg) => 0;
BENCH_START();
uint32_t prng = 42;
char name[256];
for (lfs_size_t i = 0; i < N; i++) {
lfs_off_t i_
= (ORDER == 0) ? i
: (ORDER == 1) ? (N-1-i)
: BENCH_PRNG(&prng) % N;
printf("hm %d\n", i);
sprintf(name, "dir%08x", i_);
int err = lfs_mkdir(&lfs, name);
assert(!err || err == LFS_ERR_EXIST);
}
BENCH_STOP();
lfs_unmount(&lfs) => 0;
'''
[cases.bench_dir_rmdir]
# 0 = in-order
# 1 = reversed-order
# 2 = random-order
defines.ORDER = [0, 1, 2]
defines.N = 8
code = '''
lfs_t lfs;
lfs_format(&lfs, cfg) => 0;
lfs_mount(&lfs, cfg) => 0;
// first create the dirs
char name[256];
for (lfs_size_t i = 0; i < N; i++) {
sprintf(name, "dir%08x", i);
lfs_mkdir(&lfs, name) => 0;
}
// then remove the dirs
BENCH_START();
uint32_t prng = 42;
for (lfs_size_t i = 0; i < N; i++) {
lfs_off_t i_
= (ORDER == 0) ? i
: (ORDER == 1) ? (N-1-i)
: BENCH_PRNG(&prng) % N;
sprintf(name, "dir%08x", i_);
int err = lfs_remove(&lfs, name);
assert(!err || err == LFS_ERR_NOENT);
}
BENCH_STOP();
lfs_unmount(&lfs) => 0;
'''

95
packages/littlefs-v2.11.2/benches/bench_file.toml
View File

@ -0,0 +1,95 @@
[cases.bench_file_read]
# 0 = in-order
# 1 = reversed-order
# 2 = random-order
defines.ORDER = [0, 1, 2]
defines.SIZE = '128*1024'
defines.CHUNK_SIZE = 64
code = '''
lfs_t lfs;
lfs_format(&lfs, cfg) => 0;
lfs_mount(&lfs, cfg) => 0;
lfs_size_t chunks = (SIZE+CHUNK_SIZE-1)/CHUNK_SIZE;
// first write the file
lfs_file_t file;
uint8_t buffer[CHUNK_SIZE];
lfs_file_open(&lfs, &file, "file",
LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
for (lfs_size_t i = 0; i < chunks; i++) {
uint32_t chunk_prng = i;
for (lfs_size_t j = 0; j < CHUNK_SIZE; j++) {
buffer[j] = BENCH_PRNG(&chunk_prng);
}
lfs_file_write(&lfs, &file, buffer, CHUNK_SIZE) => CHUNK_SIZE;
}
lfs_file_write(&lfs, &file, buffer, CHUNK_SIZE) => CHUNK_SIZE;
lfs_file_close(&lfs, &file) => 0;
// then read the file
BENCH_START();
lfs_file_open(&lfs, &file, "file", LFS_O_RDONLY) => 0;
uint32_t prng = 42;
for (lfs_size_t i = 0; i < chunks; i++) {
lfs_off_t i_
= (ORDER == 0) ? i
: (ORDER == 1) ? (chunks-1-i)
: BENCH_PRNG(&prng) % chunks;
lfs_file_seek(&lfs, &file, i_*CHUNK_SIZE, LFS_SEEK_SET)
=> i_*CHUNK_SIZE;
lfs_file_read(&lfs, &file, buffer, CHUNK_SIZE) => CHUNK_SIZE;
uint32_t chunk_prng = i_;
for (lfs_size_t j = 0; j < CHUNK_SIZE; j++) {
assert(buffer[j] == BENCH_PRNG(&chunk_prng));
}
}
lfs_file_close(&lfs, &file) => 0;
BENCH_STOP();
lfs_unmount(&lfs) => 0;
'''
[cases.bench_file_write]
# 0 = in-order
# 1 = reversed-order
# 2 = random-order
defines.ORDER = [0, 1, 2]
defines.SIZE = '128*1024'
defines.CHUNK_SIZE = 64
code = '''
lfs_t lfs;
lfs_format(&lfs, cfg) => 0;
lfs_mount(&lfs, cfg) => 0;
lfs_size_t chunks = (SIZE+CHUNK_SIZE-1)/CHUNK_SIZE;
BENCH_START();
lfs_file_t file;
lfs_file_open(&lfs, &file, "file",
LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
uint8_t buffer[CHUNK_SIZE];
uint32_t prng = 42;
for (lfs_size_t i = 0; i < chunks; i++) {
lfs_off_t i_
= (ORDER == 0) ? i
: (ORDER == 1) ? (chunks-1-i)
: BENCH_PRNG(&prng) % chunks;
uint32_t chunk_prng = i_;
for (lfs_size_t j = 0; j < CHUNK_SIZE; j++) {
buffer[j] = BENCH_PRNG(&chunk_prng);
}
lfs_file_seek(&lfs, &file, i_*CHUNK_SIZE, LFS_SEEK_SET)
=> i_*CHUNK_SIZE;
lfs_file_write(&lfs, &file, buffer, CHUNK_SIZE) => CHUNK_SIZE;
}
lfs_file_close(&lfs, &file) => 0;
BENCH_STOP();
lfs_unmount(&lfs) => 0;
'''

56
packages/littlefs-v2.11.2/benches/bench_superblock.toml
View File

@ -0,0 +1,56 @@
[cases.bench_superblocks_found]
# support benchmarking with files
defines.N = [0, 1024]
defines.FILE_SIZE = 8
defines.CHUNK_SIZE = 8
code = '''
lfs_t lfs;
lfs_format(&lfs, cfg) => 0;
// create files?
lfs_mount(&lfs, cfg) => 0;
char name[256];
uint8_t buffer[CHUNK_SIZE];
for (lfs_size_t i = 0; i < N; i++) {
sprintf(name, "file%08x", i);
lfs_file_t file;
lfs_file_open(&lfs, &file, name,
LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
for (lfs_size_t j = 0; j < FILE_SIZE; j += CHUNK_SIZE) {
for (lfs_size_t k = 0; k < CHUNK_SIZE; k++) {
buffer[k] = i+j+k;
}
lfs_file_write(&lfs, &file, buffer, CHUNK_SIZE) => CHUNK_SIZE;
}
lfs_file_close(&lfs, &file) => 0;
}
lfs_unmount(&lfs) => 0;
BENCH_START();
lfs_mount(&lfs, cfg) => 0;
BENCH_STOP();
lfs_unmount(&lfs) => 0;
'''
[cases.bench_superblocks_missing]
code = '''
lfs_t lfs;
BENCH_START();
int err = lfs_mount(&lfs, cfg);
assert(err != 0);
BENCH_STOP();
'''
[cases.bench_superblocks_format]
code = '''
lfs_t lfs;
BENCH_START();
lfs_format(&lfs, cfg) => 0;
BENCH_STOP();
'''

977
packages/littlefs-v2.11.2/dfs_lfs.c
View File

@ -0,0 +1,977 @@
#include <rtdevice.h>
#include <rtthread.h>
#include <dfs_file.h>
#include <dfs_fs.h>
#include "lfs.h"
#include <stdio.h>
#include <string.h>
#if defined(RT_VERSION_CHECK) && (RTTHREAD_VERSION >= RT_VERSION_CHECK(5, 0, 2))
#define DFS_LFS_RW_RETURN_TYPE ssize_t
#define DFS_LFS_LSK_RETURN_TYPE off_t
#define DFS_LFS_MKFS(dev_id, fs_name) _dfs_lfs_mkfs(dev_id, fs_name)
#else
#define DFS_LFS_RW_RETURN_TYPE int
#define DFS_LFS_LSK_RETURN_TYPE int
#define DFS_LFS_MKFS(dev_id, fs_name) _dfs_lfs_mkfs(dev_id)
#endif
#ifndef RT_DEF_LFS_DRIVERS
#define RT_DEF_LFS_DRIVERS 1
#endif
#if (RT_DEF_LFS_DRIVERS < 1)
#error "#define RT_DEF_LFS_DRIVERS must > 0"
#endif
#ifndef LFS_READ_SIZE
#define LFS_READ_SIZE 256
#endif
#ifndef LFS_PROG_SIZE
#define LFS_PROG_SIZE 256
#endif
#ifndef LFS_BLOCK_SIZE
#define LFS_BLOCK_SIZE 4096
#endif
#ifndef LFS_CACHE_SIZE
#define LFS_CACHE_SIZE LFS_PROG_SIZE
#endif
#ifndef LFS_BLOCK_CYCLES
#define LFS_BLOCK_CYCLES (-1)
#endif
#ifndef LFS_LOOKAHEAD_MAX
#define LFS_LOOKAHEAD_MAX 128
#endif
#define ATTR_TIMESTAMP 0x74
typedef struct _dfs_lfs_s
{
struct lfs lfs;
struct lfs_config cfg;
struct rt_mutex lock;
} dfs_lfs_t;
typedef struct _dfs_lfs_fd_s
{
struct lfs* lfs;
union
{
struct lfs_file file;
struct lfs_dir dir;
} u;
} dfs_lfs_fd_t;
static struct _dfs_lfs_s* _lfs_mount_tbl[RT_DEF_LFS_DRIVERS] = {0};
#ifdef LFS_THREADSAFE
// Lock the underlying block device. Negative error codes
// are propogated to the user.
int _lfs_lock(const struct lfs_config *c)
{
dfs_lfs_t *dfs_lfs = rt_container_of(c, dfs_lfs_t, cfg);
if (rt_mutex_take(&dfs_lfs->lock, RT_WAITING_FOREVER) != RT_EOK)
{
return -1;
}
return 0;
}
// Unlock the underlying block device. Negative error codes
// are propogated to the user.
int _lfs_unlock(const struct lfs_config *c)
{
dfs_lfs_t *dfs_lfs = rt_container_of(c, dfs_lfs_t, cfg);
if (rt_mutex_release(&dfs_lfs->lock) != RT_EOK)
{
return -1;
}
return 0;
}
#endif
// Read a region in a block. Negative error codes are propogated
// to the user.
static int _lfs_flash_read(const struct lfs_config* c, lfs_block_t block, lfs_off_t off, void* buffer, lfs_size_t size)
{
struct rt_mtd_nor_device* mtd_nor;
RT_ASSERT(c != RT_NULL);
RT_ASSERT(c->context != RT_NULL);
mtd_nor = (struct rt_mtd_nor_device*)c->context;
if (rt_mtd_nor_read(mtd_nor, block * c->block_size + off, buffer, size) != size)
{
return LFS_ERR_IO;
}
return LFS_ERR_OK;
}
// Program a region in a block. The block must have previously
// been erased. Negative error codes are propogated to the user.
// May return LFS_ERR_CORRUPT if the block should be considered bad.
static int _lfs_flash_prog(const struct lfs_config* c, lfs_block_t block, lfs_off_t off, const void* buffer, lfs_size_t size)
{
struct rt_mtd_nor_device* mtd_nor;
RT_ASSERT(c != RT_NULL);
RT_ASSERT(c->context != RT_NULL);
mtd_nor = (struct rt_mtd_nor_device*)c->context;
if (rt_mtd_nor_write(mtd_nor, block * c->block_size + off, buffer, size) != size)
{
return LFS_ERR_IO;
}
return LFS_ERR_OK;
}
// Erase a block. A block must be erased before being programmed.
// The state of an erased block is undefined. Negative error codes
// are propogated to the user.
// May return LFS_ERR_CORRUPT if the block should be considered bad.
static int _lfs_flash_erase(const struct lfs_config* c, lfs_block_t block)
{
struct rt_mtd_nor_device* mtd_nor;
RT_ASSERT(c != RT_NULL);
RT_ASSERT(c->context != RT_NULL);
mtd_nor = (struct rt_mtd_nor_device*)c->context;
if (rt_mtd_nor_erase_block(mtd_nor, block * c->block_size, c->block_size) != RT_EOK)
{
return LFS_ERR_IO;
}
return LFS_ERR_OK;
}
// Sync the state of the underlying block device. Negative error codes
// are propogated to the user.
static int _lfs_flash_sync(const struct lfs_config* c)
{
return LFS_ERR_OK;
}
/* results:
* -1, no space to install fatfs driver
* >= 0, there is an space to install littlefs driver
*/
static int _get_disk(rt_device_t dev_id)
{
int index;
if (dev_id == RT_NULL)
{
for (index = 0; index < RT_DEF_LFS_DRIVERS; index ++)
{
if(_lfs_mount_tbl[index] == RT_NULL)
{
return index;
}
}
}
else
{
for (index = 0; index < RT_DEF_LFS_DRIVERS; index ++)
{
if ((_lfs_mount_tbl[index] != RT_NULL) && (_lfs_mount_tbl[index]->cfg.context == (void *)dev_id))
{
return index;
}
}
}
return -1;
}
static int _lfs_result_to_dfs(int result)
{
int status = 0;
switch (result)
{
case LFS_ERR_OK:
break;
case LFS_ERR_IO:
status = -EIO;
break; // Error during device operation
case LFS_ERR_NOENT:
status = -ENOENT;
break; // No directory entry
case LFS_ERR_EXIST:
status = -EEXIST;
break; // Entry already exists
case LFS_ERR_NOTDIR:
status = -ENOTDIR;
break; // Entry is not a dir
case LFS_ERR_ISDIR:
status = -EISDIR;
break; // Entry is a dir
case LFS_ERR_NOTEMPTY:
status = -ENOTEMPTY;
break; // Dir is not empty
case LFS_ERR_BADF:
status = -EBADF;
break; // Bad file number
case LFS_ERR_INVAL:
status = -EINVAL;
break; // Invalid parameter
case LFS_ERR_NOSPC:
status = -ENOSPC;
break; // No space left on device
case LFS_ERR_NOMEM:
status = -ENOMEM;
break; // No more memory available
case LFS_ERR_CORRUPT:
status = -52;
break; // Corrupted
default:
status = -EIO;
break;
}
return status;
}
static void _lfs_load_config(struct lfs_config* lfs_cfg, struct rt_mtd_nor_device* mtd_nor)
{
uint64_t mtd_size;
lfs_cfg->context = (void*)mtd_nor;
lfs_cfg->read_size = LFS_READ_SIZE;
lfs_cfg->prog_size = LFS_PROG_SIZE;
lfs_cfg->block_size = mtd_nor->block_size;
if (lfs_cfg->block_size < LFS_BLOCK_SIZE)
{
lfs_cfg->block_size = LFS_BLOCK_SIZE;
}
lfs_cfg->cache_size = LFS_CACHE_SIZE;
lfs_cfg->block_cycles = LFS_BLOCK_CYCLES;
mtd_size = mtd_nor->block_end - mtd_nor->block_start;
mtd_size *= mtd_nor->block_size;
lfs_cfg->block_count = mtd_size / lfs_cfg->block_size;
lfs_cfg->lookahead_size = 32 * ((lfs_cfg->block_count + 31) / 32);
if (lfs_cfg->lookahead_size > LFS_LOOKAHEAD_MAX)
{
lfs_cfg->lookahead_size = LFS_LOOKAHEAD_MAX;
}
#ifdef LFS_THREADSAFE
lfs_cfg->lock = _lfs_lock;
lfs_cfg->unlock = _lfs_unlock;
#endif
lfs_cfg->read = _lfs_flash_read;
lfs_cfg->prog = _lfs_flash_prog;
lfs_cfg->erase = _lfs_flash_erase;
lfs_cfg->sync = _lfs_flash_sync;
}
static int _dfs_lfs_mount(struct dfs_filesystem* dfs, unsigned long rwflag, const void* data)
{
int result;
int index;
dfs_lfs_t* dfs_lfs;
/* Check Device Type */
if (dfs->dev_id->type != RT_Device_Class_MTD)
{
rt_kprintf("The flash device type must be MTD!\n");
return -EINVAL;
}
/* get an empty position */
index = _get_disk(RT_NULL);
if (index == -1)
{
return -EIO;
}
/*create lfs handle */
dfs_lfs = (dfs_lfs_t*)rt_malloc(sizeof(dfs_lfs_t));
if (dfs_lfs == RT_NULL)
{
rt_kprintf("ERROR:no memory!\n");
return -ENOMEM;
}
rt_memset(dfs_lfs, 0, sizeof(dfs_lfs_t));
rt_mutex_init(&dfs_lfs->lock, "lfslock", RT_IPC_FLAG_PRIO);
_lfs_load_config(&dfs_lfs->cfg, (struct rt_mtd_nor_device*)dfs->dev_id);
/* mount lfs*/
result = lfs_mount(&dfs_lfs->lfs, &dfs_lfs->cfg);
if (result != LFS_ERR_OK)
{
rt_mutex_detach(&dfs_lfs->lock);
/* release memory */
rt_free(dfs_lfs);
return -EIO;
}
/* mount succeed! */
dfs->data = (void*)dfs_lfs;
_lfs_mount_tbl[index] = dfs_lfs;
return RT_EOK;
}
static int _dfs_lfs_unmount(struct dfs_filesystem* dfs)
{
int result;
int index;
dfs_lfs_t* dfs_lfs;
RT_ASSERT(dfs != RT_NULL);
RT_ASSERT(dfs->data != RT_NULL);
/* find the device index and then umount it */
index = _get_disk(dfs->dev_id);
if (index == -1)
{
return -ENOENT;
}
_lfs_mount_tbl[index] = RT_NULL;
dfs_lfs = (dfs_lfs_t*)dfs->data;
dfs->data = RT_NULL;
result = lfs_unmount(&dfs_lfs->lfs);
rt_mutex_detach(&dfs_lfs->lock);
rt_free(dfs_lfs);
return _lfs_result_to_dfs(result);
}
#ifndef LFS_READONLY
static int DFS_LFS_MKFS(rt_device_t dev_id, const char *fs_name)
{
int result;
int index;
dfs_lfs_t* dfs_lfs;
if (dev_id == RT_NULL)
{
return -EINVAL;
}
/* Check Device Type */
if (dev_id->type != RT_Device_Class_MTD)
{
rt_kprintf("The flash device type must be MTD!\n");
return -EINVAL;
}
index = _get_disk(dev_id);
if (index == -1)
{
/* create lfs handle */
dfs_lfs = rt_malloc(sizeof(dfs_lfs_t));
if (dfs_lfs == RT_NULL)
{
rt_kprintf("ERROR:no memory!\n");
return -ENOMEM;
}
rt_memset(dfs_lfs, 0, sizeof(dfs_lfs_t));
rt_mutex_init(&dfs_lfs->lock, "lfslock", RT_IPC_FLAG_PRIO);
_lfs_load_config(&dfs_lfs->cfg, (struct rt_mtd_nor_device*)dev_id);
/* format flash device */
result = lfs_format(&dfs_lfs->lfs, &dfs_lfs->cfg);
rt_mutex_detach(&dfs_lfs->lock);
rt_free(dfs_lfs);
return _lfs_result_to_dfs(result);
}
dfs_lfs = _lfs_mount_tbl[index];
/* unmount it */
result = lfs_unmount(&dfs_lfs->lfs);
if (result != LFS_ERR_OK)
{
return _lfs_result_to_dfs(result);
}
_lfs_mount_tbl[index] = RT_NULL;
/* format flash device */
result = lfs_format(&dfs_lfs->lfs, &dfs_lfs->cfg);
if (result != LFS_ERR_OK)
{
return _lfs_result_to_dfs(result);
}
_lfs_load_config(&dfs_lfs->cfg, (struct rt_mtd_nor_device*)dev_id);
/* mount lfs*/
result = lfs_mount(&dfs_lfs->lfs, &dfs_lfs->cfg);
if (result == LFS_ERR_OK)
{
_lfs_mount_tbl[index] = dfs_lfs;
}
return _lfs_result_to_dfs(result);
}
#endif
static int _dfs_lfs_statfs_count(void* p, lfs_block_t b)
{
*(lfs_size_t*)p += 1;
return 0;
}
static int _dfs_lfs_statfs(struct dfs_filesystem* dfs, struct statfs* buf)
{
dfs_lfs_t* dfs_lfs;
int result;
lfs_size_t in_use = 0;
RT_ASSERT(buf != RT_NULL);
RT_ASSERT(dfs != RT_NULL);
RT_ASSERT(dfs->data != RT_NULL);
dfs_lfs = (dfs_lfs_t*)dfs->data;
/* Get total sectors and free sectors */
result = lfs_fs_traverse(&dfs_lfs->lfs, _dfs_lfs_statfs_count, &in_use);
if (result != LFS_ERR_OK)
{
return _lfs_result_to_dfs(result);
}
buf->f_bsize = dfs_lfs->cfg.block_size;
buf->f_blocks = dfs_lfs->cfg.block_count;
buf->f_bfree = dfs_lfs->cfg.block_count - in_use;
return RT_EOK;
}
#ifndef LFS_READONLY
static int _dfs_lfs_unlink(struct dfs_filesystem* dfs, const char* path)
{
dfs_lfs_t* dfs_lfs;
int result;
RT_ASSERT(dfs != RT_NULL);
RT_ASSERT(dfs->data != RT_NULL);
dfs_lfs = (dfs_lfs_t*)dfs->data;
result = lfs_remove(&dfs_lfs->lfs, path);
return _lfs_result_to_dfs(result);
}
#endif
static void _dfs_lfs_tostat(struct stat* st, struct lfs_info* info, time_t mtime)
{
memset(st, 0, sizeof(struct stat));
/* convert to dfs stat structure */
st->st_dev = 0;
st->st_size = info->size;
st->st_mode = S_IRWXU | S_IRWXG | S_IRWXO;
switch (info->type)
{
case LFS_TYPE_DIR:
st->st_mode |= S_IFDIR;
break;
case LFS_TYPE_REG:
st->st_mode |= S_IFREG;
break;
}
st->st_mtime = mtime;
}
static int _dfs_lfs_stat(struct dfs_filesystem* dfs, const char* path, struct stat* st)
{
dfs_lfs_t* dfs_lfs;
int result;
struct lfs_info info;
RT_ASSERT(dfs != RT_NULL);
RT_ASSERT(dfs->data != RT_NULL);
dfs_lfs = (dfs_lfs_t*)dfs->data;
result = lfs_stat(&dfs_lfs->lfs, path, &info);
if (result != LFS_ERR_OK)
{
return _lfs_result_to_dfs(result);
}
time_t mtime = 0;
lfs_getattr(&dfs_lfs->lfs, path, ATTR_TIMESTAMP, &mtime, sizeof(time_t));
_dfs_lfs_tostat(st, &info, mtime);
return 0;
}
#ifndef LFS_READONLY
static int _dfs_lfs_rename(struct dfs_filesystem* dfs, const char* from, const char* to)
{
dfs_lfs_t* dfs_lfs;
int result;
RT_ASSERT(dfs != RT_NULL);
RT_ASSERT(dfs->data != RT_NULL);
dfs_lfs = (dfs_lfs_t*)dfs->data;
result = lfs_rename(&dfs_lfs->lfs, from, to);
return _lfs_result_to_dfs(result);
}
#endif
/******************************************************************************
* file operations
******************************************************************************/
static int _dfs_lfs_open(struct dfs_file* file)
{
struct dfs_filesystem* dfs;
dfs_lfs_t* dfs_lfs;
int result;
int flags = 0;
RT_ASSERT(file != RT_NULL);
dfs = (struct dfs_filesystem*)file->vnode->fs;
RT_ASSERT(file->vnode->ref_count > 0);
if (file->vnode->ref_count > 1)
{
if (file->vnode->type == FT_DIRECTORY
&& !(file->flags & O_DIRECTORY))
{
return -ENOENT;
}
file->pos = 0;
return 0;
}
dfs_lfs = (dfs_lfs_t*)dfs->data;
if (file->flags & O_DIRECTORY)
{
dfs_lfs_fd_t* dfs_lfs_fd = rt_malloc(sizeof(dfs_lfs_fd_t));
if (dfs_lfs_fd == RT_NULL)
{
rt_kprintf("ERROR:no memory!\n");
result = -ENOMEM;
goto _error_dir;
}
rt_memset(dfs_lfs_fd, 0, sizeof(dfs_lfs_fd_t));
dfs_lfs_fd->lfs = &dfs_lfs->lfs;
if (file->flags & O_CREAT)
{
#ifndef LFS_READONLY
result = lfs_mkdir(dfs_lfs_fd->lfs, file->vnode->path);
#else
result = -EINVAL;
#endif
if (result != LFS_ERR_OK)
{
goto _error_dir;
}
else
{
time_t now = time(RT_NULL);
lfs_setattr(dfs_lfs_fd->lfs, file->vnode->path, ATTR_TIMESTAMP, &now, sizeof(time_t));
}
}
result = lfs_dir_open(dfs_lfs_fd->lfs, &dfs_lfs_fd->u.dir, file->vnode->path);
if (result != LFS_ERR_OK)
{
goto _error_dir;
}
else
{
file->data = (void*)dfs_lfs_fd;
return RT_EOK;
}
_error_dir:
if (dfs_lfs_fd != RT_NULL)
{
rt_free(dfs_lfs_fd);
}
return _lfs_result_to_dfs(result);
}
else
{
dfs_lfs_fd_t* dfs_lfs_fd = rt_malloc(sizeof(dfs_lfs_fd_t));
if (dfs_lfs_fd == RT_NULL)
{
rt_kprintf("ERROR:no memory!\n");
result = -ENOMEM;
goto _error_file;
}
rt_memset(dfs_lfs_fd, 0, sizeof(dfs_lfs_fd_t));
dfs_lfs_fd->lfs = &dfs_lfs->lfs;
if ((file->flags & 3) == O_RDONLY)
flags |= LFS_O_RDONLY;
if ((file->flags & 3) == O_WRONLY)
flags |= LFS_O_WRONLY;
if ((file->flags & 3) == O_RDWR)
flags |= LFS_O_RDWR;
if (file->flags & O_CREAT)
flags |= LFS_O_CREAT;
if (file->flags & O_EXCL)
flags |= LFS_O_EXCL;
if (file->flags & O_TRUNC)
flags |= LFS_O_TRUNC;
if (file->flags & O_APPEND)
flags |= LFS_O_APPEND;
result = lfs_file_open(dfs_lfs_fd->lfs, &dfs_lfs_fd->u.file, file->vnode->path, flags);
if (result != LFS_ERR_OK)
{
goto _error_file;
}
else
{
file->data = (void*)dfs_lfs_fd;
file->pos = dfs_lfs_fd->u.file.pos;
file->vnode->size = dfs_lfs_fd->u.file.ctz.size;
return RT_EOK;
}
_error_file:
if (dfs_lfs_fd != RT_NULL)
{
rt_free(dfs_lfs_fd);
}
return _lfs_result_to_dfs(result);
}
}
static int _dfs_lfs_close(struct dfs_file* file)
{
int result;
dfs_lfs_fd_t* dfs_lfs_fd;
uint8_t need_time_update;
RT_ASSERT(file != RT_NULL);
RT_ASSERT(file->data != RT_NULL);
RT_ASSERT(file->vnode->ref_count > 0);
if (file->vnode->ref_count > 1)
{
return 0;
}
dfs_lfs_fd = (dfs_lfs_fd_t*)file->data;
if (file->vnode->type == FT_DIRECTORY)
{
result = lfs_dir_close(dfs_lfs_fd->lfs, &dfs_lfs_fd->u.dir);
}
else
{
need_time_update = (dfs_lfs_fd->u.file.flags & LFS_F_DIRTY) || (dfs_lfs_fd->u.file.flags & LFS_F_WRITING);
result = lfs_file_close(dfs_lfs_fd->lfs, &dfs_lfs_fd->u.file);
if (result == LFS_ERR_OK && need_time_update)
{
time_t now = time(RT_NULL);
lfs_setattr(dfs_lfs_fd->lfs, file->vnode->path, ATTR_TIMESTAMP, &now, sizeof(time_t));
}
}
rt_free(dfs_lfs_fd);
return _lfs_result_to_dfs(result);
}
static int _dfs_lfs_ioctl(struct dfs_file* file, int cmd, void* args)
{
return -ENOSYS;
}
static DFS_LFS_RW_RETURN_TYPE _dfs_lfs_read(struct dfs_file* file, void* buf, size_t len)
{
lfs_ssize_t ssize;
dfs_lfs_fd_t* dfs_lfs_fd;
RT_ASSERT(file != RT_NULL);
RT_ASSERT(file->data != RT_NULL);
if (file->vnode->type == FT_DIRECTORY)
{
return -EISDIR;
}
dfs_lfs_fd = (dfs_lfs_fd_t*)file->data;
#if 0
if (lfs_file_tell(dfs_lfs_fd->lfs, &dfs_lfs_fd->u.file) != file->pos)
{
lfs_soff_t soff = lfs_file_seek(dfs_lfs_fd->lfs, &dfs_lfs_fd->u.file, file->pos, LFS_SEEK_SET);
if (soff < 0)
{
return _lfs_result_to_dfs(soff);
}
}
#endif
ssize = lfs_file_read(dfs_lfs_fd->lfs, &dfs_lfs_fd->u.file, buf, len);
if (ssize < 0)
{
return _lfs_result_to_dfs(ssize);
}
/* update position */
file->pos = dfs_lfs_fd->u.file.pos;
return ssize;
}
#ifndef LFS_READONLY
static DFS_LFS_RW_RETURN_TYPE _dfs_lfs_write(struct dfs_file* file, const void* buf, size_t len)
{
lfs_ssize_t ssize;
dfs_lfs_fd_t* dfs_lfs_fd;
RT_ASSERT(file != RT_NULL);
RT_ASSERT(file->data != RT_NULL);
if (file->vnode->type == FT_DIRECTORY)
{
return -EISDIR;
}
dfs_lfs_fd = (dfs_lfs_fd_t*)file->data;
#if 0
if (lfs_file_tell(dfs_lfs_fd->lfs, &dfs_lfs_fd->u.file) != file->pos)
{
lfs_soff_t soff = lfs_file_seek(dfs_lfs_fd->lfs, &dfs_lfs_fd->u.file, file->pos, LFS_SEEK_SET);
if (soff < 0)
{
return _lfs_result_to_dfs(soff);
}
}
#endif
ssize = lfs_file_write(dfs_lfs_fd->lfs, &dfs_lfs_fd->u.file, buf, len);
if (ssize < 0)
{
return _lfs_result_to_dfs(ssize);
}
/* update position and file size */
file->pos = dfs_lfs_fd->u.file.pos;
file->vnode->size = dfs_lfs_fd->u.file.ctz.size;
return ssize;
}
#endif
static int _dfs_lfs_flush(struct dfs_file* file)
{
int result;
dfs_lfs_fd_t* dfs_lfs_fd;
uint8_t need_time_update;
RT_ASSERT(file != RT_NULL);
RT_ASSERT(file->data != RT_NULL);
dfs_lfs_fd = (dfs_lfs_fd_t*)file->data;
need_time_update = (dfs_lfs_fd->u.file.flags & LFS_F_DIRTY) || (dfs_lfs_fd->u.file.flags & LFS_F_WRITING);
result = lfs_file_sync(dfs_lfs_fd->lfs, &dfs_lfs_fd->u.file);
if (result == LFS_ERR_OK && need_time_update)
{
time_t now = time(RT_NULL);
lfs_setattr(dfs_lfs_fd->lfs, file->vnode->path, ATTR_TIMESTAMP, &now, sizeof(time_t));
}
return _lfs_result_to_dfs(result);
}
static DFS_LFS_LSK_RETURN_TYPE _dfs_lfs_lseek(struct dfs_file* file, rt_off_t offset)
{
dfs_lfs_fd_t* dfs_lfs_fd;
RT_ASSERT(file != RT_NULL);
RT_ASSERT(file->data != RT_NULL);
dfs_lfs_fd = (dfs_lfs_fd_t*)file->data;
if (file->vnode->type == FT_REGULAR)
{
lfs_soff_t soff = lfs_file_seek(dfs_lfs_fd->lfs, &dfs_lfs_fd->u.file, offset, LFS_SEEK_SET);
if (soff < 0)
{
return _lfs_result_to_dfs(soff);
}
file->pos = dfs_lfs_fd->u.file.pos;
}
else if (file->vnode->type == FT_DIRECTORY)
{
lfs_soff_t soff = lfs_dir_seek(dfs_lfs_fd->lfs, &dfs_lfs_fd->u.dir, offset);
if (soff < 0)
{
return _lfs_result_to_dfs(soff);
}
file->pos = dfs_lfs_fd->u.dir.pos;
}
return (file->pos);
}
static int _dfs_lfs_getdents(struct dfs_file* file, struct dirent* dirp, uint32_t count)
{
dfs_lfs_fd_t* dfs_lfs_fd;
int result;
int index;
struct dirent* d;
struct lfs_info info;
RT_ASSERT(file->data != RT_NULL);
dfs_lfs_fd = (dfs_lfs_fd_t*)(file->data);
/* make integer count */
count = (count / sizeof(struct dirent)) * sizeof(struct dirent);
if (count == 0)
{
return -EINVAL;
}
index = 0;
while (1)
{
d = dirp + index;
result = lfs_dir_read(dfs_lfs_fd->lfs, &dfs_lfs_fd->u.dir, &info);
if ((result != 1) || (info.name[0] == 0))
{
break;
}
if (rt_strcmp(info.name, ".") == 0)
{
continue;
}
else if (rt_strcmp(info.name, "..") == 0)
{
continue;
}
d->d_type = DT_UNKNOWN;
switch (info.type)
{
case LFS_TYPE_DIR:
d->d_type |= DT_DIR;
break;
case LFS_TYPE_REG:
d->d_type |= DT_REG;
break;
}
d->d_namlen = (rt_uint8_t)rt_strlen(info.name);
d->d_reclen = (rt_uint16_t)sizeof(struct dirent);
rt_strncpy(d->d_name, info.name, DFS_PATH_MAX);
index++;
if (index * sizeof(struct dirent) >= count)
{
break;
}
}
if (index == 0)
{
return _lfs_result_to_dfs(result);
}
file->pos += index * sizeof(struct dirent);
return index * sizeof(struct dirent);
}
static const struct dfs_file_ops _dfs_lfs_fops = {
_dfs_lfs_open,
_dfs_lfs_close,
_dfs_lfs_ioctl,
_dfs_lfs_read,
#ifndef LFS_READONLY
_dfs_lfs_write,
#else
NULL,
#endif
_dfs_lfs_flush,
_dfs_lfs_lseek,
_dfs_lfs_getdents,
// RT_NULL, /* poll interface */
};
static const struct dfs_filesystem_ops _dfs_lfs_ops = {
"lfs",
DFS_FS_FLAG_DEFAULT,
&_dfs_lfs_fops,
_dfs_lfs_mount,
_dfs_lfs_unmount,
#ifndef LFS_READONLY
_dfs_lfs_mkfs,
#else
NULL,
#endif
_dfs_lfs_statfs,
#ifndef LFS_READONLY
_dfs_lfs_unlink,
#else
NULL,
#endif
_dfs_lfs_stat,
#ifndef LFS_READONLY
_dfs_lfs_rename,
#else
NULL,
#endif
};
int dfs_lfs_init(void)
{
/* register ram file system */
return dfs_register(&_dfs_lfs_ops);
}
INIT_COMPONENT_EXPORT(dfs_lfs_init);

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packages/littlefs-v2.11.2/lfs.c
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/*
* The little filesystem
*
* Copyright (c) 2022, The littlefs authors.
* Copyright (c) 2017, Arm Limited. All rights reserved.
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef LFS_H
#define LFS_H
#include "lfs_util.h"
#ifdef __cplusplus
extern "C"
{
#endif
/// Version info ///
// Software library version
// Major (top-nibble), incremented on backwards incompatible changes
// Minor (bottom-nibble), incremented on feature additions
#define LFS_VERSION 0x0002000b
#define LFS_VERSION_MAJOR (0xffff & (LFS_VERSION >> 16))
#define LFS_VERSION_MINOR (0xffff & (LFS_VERSION >> 0))
// Version of On-disk data structures
// Major (top-nibble), incremented on backwards incompatible changes
// Minor (bottom-nibble), incremented on feature additions
#define LFS_DISK_VERSION 0x00020001
#define LFS_DISK_VERSION_MAJOR (0xffff & (LFS_DISK_VERSION >> 16))
#define LFS_DISK_VERSION_MINOR (0xffff & (LFS_DISK_VERSION >> 0))
/// Definitions ///
// Type definitions
typedef uint32_t lfs_size_t;
typedef uint32_t lfs_off_t;
typedef int32_t lfs_ssize_t;
typedef int32_t lfs_soff_t;
typedef uint32_t lfs_block_t;
// Maximum name size in bytes, may be redefined to reduce the size of the
// info struct. Limited to <= 1022. Stored in superblock and must be
// respected by other littlefs drivers.
#ifndef LFS_NAME_MAX
#define LFS_NAME_MAX 255
#endif
// Maximum size of a file in bytes, may be redefined to limit to support other
// drivers. Limited on disk to <= 2147483647. Stored in superblock and must be
// respected by other littlefs drivers.
#ifndef LFS_FILE_MAX
#define LFS_FILE_MAX 2147483647
#endif
// Maximum size of custom attributes in bytes, may be redefined, but there is
// no real benefit to using a smaller LFS_ATTR_MAX. Limited to <= 1022. Stored
// in superblock and must be respected by other littlefs drivers.
#ifndef LFS_ATTR_MAX
#define LFS_ATTR_MAX 1022
#endif
// Possible error codes, these are negative to allow
// valid positive return values
enum lfs_error {
LFS_ERR_OK = 0, // No error
LFS_ERR_IO = -5, // Error during device operation
LFS_ERR_CORRUPT = -84, // Corrupted
LFS_ERR_NOENT = -2, // No directory entry
LFS_ERR_EXIST = -17, // Entry already exists
LFS_ERR_NOTDIR = -20, // Entry is not a dir
LFS_ERR_ISDIR = -21, // Entry is a dir
LFS_ERR_NOTEMPTY = -39, // Dir is not empty
LFS_ERR_BADF = -9, // Bad file number
LFS_ERR_FBIG = -27, // File too large
LFS_ERR_INVAL = -22, // Invalid parameter
LFS_ERR_NOSPC = -28, // No space left on device
LFS_ERR_NOMEM = -12, // No more memory available
LFS_ERR_NOATTR = -61, // No data/attr available
LFS_ERR_NAMETOOLONG = -36, // File name too long
};
// File types
enum lfs_type {
// file types
LFS_TYPE_REG = 0x001,
LFS_TYPE_DIR = 0x002,
// internally used types
LFS_TYPE_SPLICE = 0x400,
LFS_TYPE_NAME = 0x000,
LFS_TYPE_STRUCT = 0x200,
LFS_TYPE_USERATTR = 0x300,
LFS_TYPE_FROM = 0x100,
LFS_TYPE_TAIL = 0x600,
LFS_TYPE_GLOBALS = 0x700,
LFS_TYPE_CRC = 0x500,
// internally used type specializations
LFS_TYPE_CREATE = 0x401,
LFS_TYPE_DELETE = 0x4ff,
LFS_TYPE_SUPERBLOCK = 0x0ff,
LFS_TYPE_DIRSTRUCT = 0x200,
LFS_TYPE_CTZSTRUCT = 0x202,
LFS_TYPE_INLINESTRUCT = 0x201,
LFS_TYPE_SOFTTAIL = 0x600,
LFS_TYPE_HARDTAIL = 0x601,
LFS_TYPE_MOVESTATE = 0x7ff,
LFS_TYPE_CCRC = 0x500,
LFS_TYPE_FCRC = 0x5ff,
// internal chip sources
LFS_FROM_NOOP = 0x000,
LFS_FROM_MOVE = 0x101,
LFS_FROM_USERATTRS = 0x102,
};
// File open flags
enum lfs_open_flags {
// open flags
LFS_O_RDONLY = 1, // Open a file as read only
#ifndef LFS_READONLY
LFS_O_WRONLY = 2, // Open a file as write only
LFS_O_RDWR = 3, // Open a file as read and write
LFS_O_CREAT = 0x0100, // Create a file if it does not exist
LFS_O_EXCL = 0x0200, // Fail if a file already exists
LFS_O_TRUNC = 0x0400, // Truncate the existing file to zero size
LFS_O_APPEND = 0x0800, // Move to end of file on every write
#endif
// internally used flags
#ifndef LFS_READONLY
LFS_F_DIRTY = 0x010000, // File does not match storage
LFS_F_WRITING = 0x020000, // File has been written since last flush
#endif
LFS_F_READING = 0x040000, // File has been read since last flush
#ifndef LFS_READONLY
LFS_F_ERRED = 0x080000, // An error occurred during write
#endif
LFS_F_INLINE = 0x100000, // Currently inlined in directory entry
};
// File seek flags
enum lfs_whence_flags {
LFS_SEEK_SET = 0, // Seek relative to an absolute position
LFS_SEEK_CUR = 1, // Seek relative to the current file position
LFS_SEEK_END = 2, // Seek relative to the end of the file
};
// Configuration provided during initialization of the littlefs
struct lfs_config {
// Opaque user provided context that can be used to pass
// information to the block device operations
void *context;
// Read a region in a block. Negative error codes are propagated
// to the user.
int (*read)(const struct lfs_config *c, lfs_block_t block,
lfs_off_t off, void *buffer, lfs_size_t size);
// Program a region in a block. The block must have previously
// been erased. Negative error codes are propagated to the user.
// May return LFS_ERR_CORRUPT if the block should be considered bad.
int (*prog)(const struct lfs_config *c, lfs_block_t block,
lfs_off_t off, const void *buffer, lfs_size_t size);
// Erase a block. A block must be erased before being programmed.
// The state of an erased block is undefined. Negative error codes
// are propagated to the user.
// May return LFS_ERR_CORRUPT if the block should be considered bad.
int (*erase)(const struct lfs_config *c, lfs_block_t block);
// Sync the state of the underlying block device. Negative error codes
// are propagated to the user.
int (*sync)(const struct lfs_config *c);
#ifdef LFS_THREADSAFE
// Lock the underlying block device. Negative error codes
// are propagated to the user.
int (*lock)(const struct lfs_config *c);
// Unlock the underlying block device. Negative error codes
// are propagated to the user.
int (*unlock)(const struct lfs_config *c);
#endif
// Minimum size of a block read in bytes. All read operations will be a
// multiple of this value.
lfs_size_t read_size;
// Minimum size of a block program in bytes. All program operations will be
// a multiple of this value.
lfs_size_t prog_size;
// Size of an erasable block in bytes. This does not impact ram consumption
// and may be larger than the physical erase size. However, non-inlined
// files take up at minimum one block. Must be a multiple of the read and
// program sizes.
lfs_size_t block_size;
// Number of erasable blocks on the device. Defaults to block_count stored
// on disk when zero.
lfs_size_t block_count;
// Number of erase cycles before littlefs evicts metadata logs and moves
// the metadata to another block. Suggested values are in the
// range 100-1000, with large values having better performance at the cost
// of less consistent wear distribution.
//
// Set to -1 to disable block-level wear-leveling.
int32_t block_cycles;
// Size of block caches in bytes. Each cache buffers a portion of a block in
// RAM. The littlefs needs a read cache, a program cache, and one additional
// cache per file. Larger caches can improve performance by storing more
// data and reducing the number of disk accesses. Must be a multiple of the
// read and program sizes, and a factor of the block size.
lfs_size_t cache_size;
// Size of the lookahead buffer in bytes. A larger lookahead buffer
// increases the number of blocks found during an allocation pass. The
// lookahead buffer is stored as a compact bitmap, so each byte of RAM
// can track 8 blocks.
lfs_size_t lookahead_size;
// Threshold for metadata compaction during lfs_fs_gc in bytes. Metadata
// pairs that exceed this threshold will be compacted during lfs_fs_gc.
// Defaults to ~88% block_size when zero, though the default may change
// in the future.
//
// Note this only affects lfs_fs_gc. Normal compactions still only occur
// when full.
//
// Set to -1 to disable metadata compaction during lfs_fs_gc.
lfs_size_t compact_thresh;
// Optional statically allocated read buffer. Must be cache_size.
// By default lfs_malloc is used to allocate this buffer.
void *read_buffer;
// Optional statically allocated program buffer. Must be cache_size.
// By default lfs_malloc is used to allocate this buffer.
void *prog_buffer;
// Optional statically allocated lookahead buffer. Must be lookahead_size.
// By default lfs_malloc is used to allocate this buffer.
void *lookahead_buffer;
// Optional upper limit on length of file names in bytes. No downside for
// larger names except the size of the info struct which is controlled by
// the LFS_NAME_MAX define. Defaults to LFS_NAME_MAX or name_max stored on
// disk when zero.
lfs_size_t name_max;
// Optional upper limit on files in bytes. No downside for larger files
// but must be <= LFS_FILE_MAX. Defaults to LFS_FILE_MAX or file_max stored
// on disk when zero.
lfs_size_t file_max;
// Optional upper limit on custom attributes in bytes. No downside for
// larger attributes size but must be <= LFS_ATTR_MAX. Defaults to
// LFS_ATTR_MAX or attr_max stored on disk when zero.
lfs_size_t attr_max;
// Optional upper limit on total space given to metadata pairs in bytes. On
// devices with large blocks (e.g. 128kB) setting this to a low size (2-8kB)
// can help bound the metadata compaction time. Must be <= block_size.
// Defaults to block_size when zero.
lfs_size_t metadata_max;
// Optional upper limit on inlined files in bytes. Inlined files live in
// metadata and decrease storage requirements, but may be limited to
// improve metadata-related performance. Must be <= cache_size, <=
// attr_max, and <= block_size/8. Defaults to the largest possible
// inline_max when zero.
//
// Set to -1 to disable inlined files.
lfs_size_t inline_max;
#ifdef LFS_MULTIVERSION
// On-disk version to use when writing in the form of 16-bit major version
// + 16-bit minor version. This limiting metadata to what is supported by
// older minor versions. Note that some features will be lost. Defaults to
// to the most recent minor version when zero.
uint32_t disk_version;
#endif
};
// File info structure
struct lfs_info {
// Type of the file, either LFS_TYPE_REG or LFS_TYPE_DIR
uint8_t type;
// Size of the file, only valid for REG files. Limited to 32-bits.
lfs_size_t size;
// Name of the file stored as a null-terminated string. Limited to
// LFS_NAME_MAX+1, which can be changed by redefining LFS_NAME_MAX to
// reduce RAM. LFS_NAME_MAX is stored in superblock and must be
// respected by other littlefs drivers.
char name[LFS_NAME_MAX+1];
};
// Filesystem info structure
struct lfs_fsinfo {
// On-disk version.
uint32_t disk_version;
// Size of a logical block in bytes.
lfs_size_t block_size;
// Number of logical blocks in filesystem.
lfs_size_t block_count;
// Upper limit on the length of file names in bytes.
lfs_size_t name_max;
// Upper limit on the size of files in bytes.
lfs_size_t file_max;
// Upper limit on the size of custom attributes in bytes.
lfs_size_t attr_max;
};
// Custom attribute structure, used to describe custom attributes
// committed atomically during file writes.
struct lfs_attr {
// 8-bit type of attribute, provided by user and used to
// identify the attribute
uint8_t type;
// Pointer to buffer containing the attribute
void *buffer;
// Size of attribute in bytes, limited to LFS_ATTR_MAX
lfs_size_t size;
};
// Optional configuration provided during lfs_file_opencfg
struct lfs_file_config {
// Optional statically allocated file buffer. Must be cache_size.
// By default lfs_malloc is used to allocate this buffer.
void *buffer;
// Optional list of custom attributes related to the file. If the file
// is opened with read access, these attributes will be read from disk
// during the open call. If the file is opened with write access, the
// attributes will be written to disk every file sync or close. This
// write occurs atomically with update to the file's contents.
//
// Custom attributes are uniquely identified by an 8-bit type and limited
// to LFS_ATTR_MAX bytes. When read, if the stored attribute is smaller
// than the buffer, it will be padded with zeros. If the stored attribute
// is larger, then it will be silently truncated. If the attribute is not
// found, it will be created implicitly.
struct lfs_attr *attrs;
// Number of custom attributes in the list
lfs_size_t attr_count;
};
/// internal littlefs data structures ///
typedef struct lfs_cache {
lfs_block_t block;
lfs_off_t off;
lfs_size_t size;
uint8_t *buffer;
} lfs_cache_t;
typedef struct lfs_mdir {
lfs_block_t pair[2];
uint32_t rev;
lfs_off_t off;
uint32_t etag;
uint16_t count;
bool erased;
bool split;
lfs_block_t tail[2];
} lfs_mdir_t;
// littlefs directory type
typedef struct lfs_dir {
struct lfs_dir *next;
uint16_t id;
uint8_t type;
lfs_mdir_t m;
lfs_off_t pos;
lfs_block_t head[2];
} lfs_dir_t;
// littlefs file type
typedef struct lfs_file {
struct lfs_file *next;
uint16_t id;
uint8_t type;
lfs_mdir_t m;
struct lfs_ctz {
lfs_block_t head;
lfs_size_t size;
} ctz;
uint32_t flags;
lfs_off_t pos;
lfs_block_t block;
lfs_off_t off;
lfs_cache_t cache;
const struct lfs_file_config *cfg;
} lfs_file_t;
typedef struct lfs_superblock {
uint32_t version;
lfs_size_t block_size;
lfs_size_t block_count;
lfs_size_t name_max;
lfs_size_t file_max;
lfs_size_t attr_max;
} lfs_superblock_t;
typedef struct lfs_gstate {
uint32_t tag;
lfs_block_t pair[2];
} lfs_gstate_t;
// The littlefs filesystem type
typedef struct lfs {
lfs_cache_t rcache;
lfs_cache_t pcache;
lfs_block_t root[2];
struct lfs_mlist {
struct lfs_mlist *next;
uint16_t id;
uint8_t type;
lfs_mdir_t m;
} *mlist;
uint32_t seed;
lfs_gstate_t gstate;
lfs_gstate_t gdisk;
lfs_gstate_t gdelta;
struct lfs_lookahead {
lfs_block_t start;
lfs_block_t size;
lfs_block_t next;
lfs_block_t ckpoint;
uint8_t *buffer;
} lookahead;
const struct lfs_config *cfg;
lfs_size_t block_count;
lfs_size_t name_max;
lfs_size_t file_max;
lfs_size_t attr_max;
lfs_size_t inline_max;
#ifdef LFS_MIGRATE
struct lfs1 *lfs1;
#endif
} lfs_t;
/// Filesystem functions ///
#ifndef LFS_READONLY
// Format a block device with the littlefs
//
// Requires a littlefs object and config struct. This clobbers the littlefs
// object, and does not leave the filesystem mounted. The config struct must
// be zeroed for defaults and backwards compatibility.
//
// Returns a negative error code on failure.
int lfs_format(lfs_t *lfs, const struct lfs_config *config);
#endif
// Mounts a littlefs
//
// Requires a littlefs object and config struct. Multiple filesystems
// may be mounted simultaneously with multiple littlefs objects. Both
// lfs and config must be allocated while mounted. The config struct must
// be zeroed for defaults and backwards compatibility.
//
// Returns a negative error code on failure.
int lfs_mount(lfs_t *lfs, const struct lfs_config *config);
// Unmounts a littlefs
//
// Does nothing besides releasing any allocated resources.
// Returns a negative error code on failure.
int lfs_unmount(lfs_t *lfs);
/// General operations ///
#ifndef LFS_READONLY
// Removes a file or directory
//
// If removing a directory, the directory must be empty.
// Returns a negative error code on failure.
int lfs_remove(lfs_t *lfs, const char *path);
#endif
#ifndef LFS_READONLY
// Rename or move a file or directory
//
// If the destination exists, it must match the source in type.
// If the destination is a directory, the directory must be empty.
//
// Returns a negative error code on failure.
int lfs_rename(lfs_t *lfs, const char *oldpath, const char *newpath);
#endif
// Find info about a file or directory
//
// Fills out the info structure, based on the specified file or directory.
// Returns a negative error code on failure.
int lfs_stat(lfs_t *lfs, const char *path, struct lfs_info *info);
// Get a custom attribute
//
// Custom attributes are uniquely identified by an 8-bit type and limited
// to LFS_ATTR_MAX bytes. When read, if the stored attribute is smaller than
// the buffer, it will be padded with zeros. If the stored attribute is larger,
// then it will be silently truncated. If no attribute is found, the error
// LFS_ERR_NOATTR is returned and the buffer is filled with zeros.
//
// Returns the size of the attribute, or a negative error code on failure.
// Note, the returned size is the size of the attribute on disk, irrespective
// of the size of the buffer. This can be used to dynamically allocate a buffer
// or check for existence.
lfs_ssize_t lfs_getattr(lfs_t *lfs, const char *path,
uint8_t type, void *buffer, lfs_size_t size);
#ifndef LFS_READONLY
// Set custom attributes
//
// Custom attributes are uniquely identified by an 8-bit type and limited
// to LFS_ATTR_MAX bytes. If an attribute is not found, it will be
// implicitly created.
//
// Returns a negative error code on failure.
int lfs_setattr(lfs_t *lfs, const char *path,
uint8_t type, const void *buffer, lfs_size_t size);
#endif
#ifndef LFS_READONLY
// Removes a custom attribute
//
// If an attribute is not found, nothing happens.
//
// Returns a negative error code on failure.
int lfs_removeattr(lfs_t *lfs, const char *path, uint8_t type);
#endif
/// File operations ///
#ifndef LFS_NO_MALLOC
// Open a file
//
// The mode that the file is opened in is determined by the flags, which
// are values from the enum lfs_open_flags that are bitwise-ored together.
//
// Returns a negative error code on failure.
int lfs_file_open(lfs_t *lfs, lfs_file_t *file,
const char *path, int flags);
// if LFS_NO_MALLOC is defined, lfs_file_open() will fail with LFS_ERR_NOMEM
// thus use lfs_file_opencfg() with config.buffer set.
#endif
// Open a file with extra configuration
//
// The mode that the file is opened in is determined by the flags, which
// are values from the enum lfs_open_flags that are bitwise-ored together.
//
// The config struct provides additional config options per file as described
// above. The config struct must remain allocated while the file is open, and
// the config struct must be zeroed for defaults and backwards compatibility.
//
// Returns a negative error code on failure.
int lfs_file_opencfg(lfs_t *lfs, lfs_file_t *file,
const char *path, int flags,
const struct lfs_file_config *config);
// Close a file
//
// Any pending writes are written out to storage as though
// sync had been called and releases any allocated resources.
//
// Returns a negative error code on failure.
int lfs_file_close(lfs_t *lfs, lfs_file_t *file);
// Synchronize a file on storage
//
// Any pending writes are written out to storage.
// Returns a negative error code on failure.
int lfs_file_sync(lfs_t *lfs, lfs_file_t *file);
// Read data from file
//
// Takes a buffer and size indicating where to store the read data.
// Returns the number of bytes read, or a negative error code on failure.
lfs_ssize_t lfs_file_read(lfs_t *lfs, lfs_file_t *file,
void *buffer, lfs_size_t size);
#ifndef LFS_READONLY
// Write data to file
//
// Takes a buffer and size indicating the data to write. The file will not
// actually be updated on the storage until either sync or close is called.
//
// Returns the number of bytes written, or a negative error code on failure.
lfs_ssize_t lfs_file_write(lfs_t *lfs, lfs_file_t *file,
const void *buffer, lfs_size_t size);
#endif
// Change the position of the file
//
// The change in position is determined by the offset and whence flag.
// Returns the new position of the file, or a negative error code on failure.
lfs_soff_t lfs_file_seek(lfs_t *lfs, lfs_file_t *file,
lfs_soff_t off, int whence);
#ifndef LFS_READONLY
// Truncates the size of the file to the specified size
//
// Returns a negative error code on failure.
int lfs_file_truncate(lfs_t *lfs, lfs_file_t *file, lfs_off_t size);
#endif
// Return the position of the file
//
// Equivalent to lfs_file_seek(lfs, file, 0, LFS_SEEK_CUR)
// Returns the position of the file, or a negative error code on failure.
lfs_soff_t lfs_file_tell(lfs_t *lfs, lfs_file_t *file);
// Change the position of the file to the beginning of the file
//
// Equivalent to lfs_file_seek(lfs, file, 0, LFS_SEEK_SET)
// Returns a negative error code on failure.
int lfs_file_rewind(lfs_t *lfs, lfs_file_t *file);
// Return the size of the file
//
// Similar to lfs_file_seek(lfs, file, 0, LFS_SEEK_END)
// Returns the size of the file, or a negative error code on failure.
lfs_soff_t lfs_file_size(lfs_t *lfs, lfs_file_t *file);
/// Directory operations ///
#ifndef LFS_READONLY
// Create a directory
//
// Returns a negative error code on failure.
int lfs_mkdir(lfs_t *lfs, const char *path);
#endif
// Open a directory
//
// Once open a directory can be used with read to iterate over files.
// Returns a negative error code on failure.
int lfs_dir_open(lfs_t *lfs, lfs_dir_t *dir, const char *path);
// Close a directory
//
// Releases any allocated resources.
// Returns a negative error code on failure.
int lfs_dir_close(lfs_t *lfs, lfs_dir_t *dir);
// Read an entry in the directory
//
// Fills out the info structure, based on the specified file or directory.
// Returns a positive value on success, 0 at the end of directory,
// or a negative error code on failure.
int lfs_dir_read(lfs_t *lfs, lfs_dir_t *dir, struct lfs_info *info);
// Change the position of the directory
//
// The new off must be a value previous returned from tell and specifies
// an absolute offset in the directory seek.
//
// Returns a negative error code on failure.
int lfs_dir_seek(lfs_t *lfs, lfs_dir_t *dir, lfs_off_t off);
// Return the position of the directory
//
// The returned offset is only meant to be consumed by seek and may not make
// sense, but does indicate the current position in the directory iteration.
//
// Returns the position of the directory, or a negative error code on failure.
lfs_soff_t lfs_dir_tell(lfs_t *lfs, lfs_dir_t *dir);
// Change the position of the directory to the beginning of the directory
//
// Returns a negative error code on failure.
int lfs_dir_rewind(lfs_t *lfs, lfs_dir_t *dir);
/// Filesystem-level filesystem operations
// Find on-disk info about the filesystem
//
// Fills out the fsinfo structure based on the filesystem found on-disk.
// Returns a negative error code on failure.
int lfs_fs_stat(lfs_t *lfs, struct lfs_fsinfo *fsinfo);
// Finds the current size of the filesystem
//
// Note: Result is best effort. If files share COW structures, the returned
// size may be larger than the filesystem actually is.
//
// Returns the number of allocated blocks, or a negative error code on failure.
lfs_ssize_t lfs_fs_size(lfs_t *lfs);
// Traverse through all blocks in use by the filesystem
//
// The provided callback will be called with each block address that is
// currently in use by the filesystem. This can be used to determine which
// blocks are in use or how much of the storage is available.
//
// Returns a negative error code on failure.
int lfs_fs_traverse(lfs_t *lfs, int (*cb)(void*, lfs_block_t), void *data);
#ifndef LFS_READONLY
// Attempt to make the filesystem consistent and ready for writing
//
// Calling this function is not required, consistency will be implicitly
// enforced on the first operation that writes to the filesystem, but this
// function allows the work to be performed earlier and without other
// filesystem changes.
//
// Returns a negative error code on failure.
int lfs_fs_mkconsistent(lfs_t *lfs);
#endif
#ifndef LFS_READONLY
// Attempt any janitorial work
//
// This currently:
// 1. Calls mkconsistent if not already consistent
// 2. Compacts metadata > compact_thresh
// 3. Populates the block allocator
//
// Though additional janitorial work may be added in the future.
//
// Calling this function is not required, but may allow the offloading of
// expensive janitorial work to a less time-critical code path.
//
// Returns a negative error code on failure. Accomplishing nothing is not
// an error.
int lfs_fs_gc(lfs_t *lfs);
#endif
#ifndef LFS_READONLY
// Grows the filesystem to a new size, updating the superblock with the new
// block count.
//
// If LFS_SHRINKNONRELOCATING is defined, this function will also accept
// block_counts smaller than the current configuration, after checking
// that none of the blocks that are being removed are in use.
// Note that littlefs's pseudorandom block allocation means that
// this is very unlikely to work in the general case.
//
// Returns a negative error code on failure.
int lfs_fs_grow(lfs_t *lfs, lfs_size_t block_count);
#endif
#ifndef LFS_READONLY
#ifdef LFS_MIGRATE
// Attempts to migrate a previous version of littlefs
//
// Behaves similarly to the lfs_format function. Attempts to mount
// the previous version of littlefs and update the filesystem so it can be
// mounted with the current version of littlefs.
//
// Requires a littlefs object and config struct. This clobbers the littlefs
// object, and does not leave the filesystem mounted. The config struct must
// be zeroed for defaults and backwards compatibility.
//
// Returns a negative error code on failure.
int lfs_migrate(lfs_t *lfs, const struct lfs_config *cfg);
#endif
#endif
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif

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#ifndef _LFS_CONFIG_H_
#define _LFS_CONFIG_H_
#include <rtthread.h>
// System includes
#include <stdint.h>
#include <stdbool.h>
#include <string.h>
#include <inttypes.h>
#ifdef __cplusplus
extern "C"
{
#endif
// Macros, may be replaced by system specific wrappers. Arguments to these
// macros must not have side-effects as the macros can be removed for a smaller
// code footprint
// Logging functions
#ifdef LFS_YES_TRACE
#define LFS_TRACE(fmt, ...) \
rt_kprintf("%s:%d:trace: " fmt "%s\n", __FILE__, __LINE__, __VA_ARGS__)
#define LFS_TRACE(...) LFS_TRACE_(__VA_ARGS__, "")
#else
#define LFS_TRACE(...)
#endif
#ifndef LFS_NO_DEBUG
#define LFS_DEBUG_(fmt, ...) \
rt_kprintf("%s:%d:debug: " fmt "%s\n", __FILE__, __LINE__, __VA_ARGS__)
#define LFS_DEBUG(...) LFS_DEBUG_(__VA_ARGS__, "")
#else
#define LFS_DEBUG(...)
#endif
#ifndef LFS_NO_WARN
#define LFS_WARN_(fmt, ...) \
rt_kprintf("%s:%d:warn: " fmt "%s\n", __FILE__, __LINE__, __VA_ARGS__)
#define LFS_WARN(...) LFS_WARN_(__VA_ARGS__, "")
#else
#define LFS_WARN(...)
#endif
#ifndef LFS_NO_ERROR
#define LFS_ERROR_(fmt, ...) \
rt_kprintf("%s:%d:error: " fmt "%s\n", __FILE__, __LINE__, __VA_ARGS__)
#define LFS_ERROR(...) LFS_ERROR_(__VA_ARGS__, "")
#else
#define LFS_ERROR(...)
#endif
// Runtime assertions
#ifndef LFS_NO_ASSERT
#define LFS_ASSERT(test) RT_ASSERT(test)
#else
#define LFS_ASSERT(test)
#endif
// Builtin functions, these may be replaced by more efficient
// toolchain-specific implementations. LFS_NO_INTRINSICS falls back to a more
// expensive basic C implementation for debugging purposes
// Min/max functions for unsigned 32-bit numbers
static inline uint32_t lfs_max(uint32_t a, uint32_t b) {
return (a > b) ? a : b;
}
static inline uint32_t lfs_min(uint32_t a, uint32_t b) {
return (a < b) ? a : b;
}
// Align to nearest multiple of a size
static inline uint32_t lfs_aligndown(uint32_t a, uint32_t alignment) {
return a - (a % alignment);
}
static inline uint32_t lfs_alignup(uint32_t a, uint32_t alignment) {
return lfs_aligndown(a + alignment-1, alignment);
}
// Find the smallest power of 2 greater than or equal to a
static inline uint32_t lfs_npw2(uint32_t a) {
#if !defined(LFS_NO_INTRINSICS) && (defined(__GNUC__) || defined(__CC_ARM))
return 32 - __builtin_clz(a-1);
#else
uint32_t r = 0;
uint32_t s;
a -= 1;
s = (a > 0xffff) << 4; a >>= s; r |= s;
s = (a > 0xff ) << 3; a >>= s; r |= s;
s = (a > 0xf ) << 2; a >>= s; r |= s;
s = (a > 0x3 ) << 1; a >>= s; r |= s;
return (r | (a >> 1)) + 1;
#endif
}
// Count the number of trailing binary zeros in a
// lfs_ctz(0) may be undefined
static inline uint32_t lfs_ctz(uint32_t a) {
#if !defined(LFS_NO_INTRINSICS) && defined(__GNUC__)
return __builtin_ctz(a);
#else
return lfs_npw2((a & -a) + 1) - 1;
#endif
}
// Count the number of binary ones in a
static inline uint32_t lfs_popc(uint32_t a) {
#if !defined(LFS_NO_INTRINSICS) && (defined(__GNUC__) || defined(__CC_ARM))
return __builtin_popcount(a);
#else
a = a - ((a >> 1) & 0x55555555);
a = (a & 0x33333333) + ((a >> 2) & 0x33333333);
return (((a + (a >> 4)) & 0xf0f0f0f) * 0x1010101) >> 24;
#endif
}
// Find the sequence comparison of a and b, this is the distance
// between a and b ignoring overflow
static inline int lfs_scmp(uint32_t a, uint32_t b) {
return (int)(unsigned)(a - b);
}
// Convert between 32-bit little-endian and native order
static inline uint32_t lfs_fromle32(uint32_t a) {
#if !defined(LFS_NO_INTRINSICS) && ( \
(defined( BYTE_ORDER ) && defined( ORDER_LITTLE_ENDIAN ) && BYTE_ORDER == ORDER_LITTLE_ENDIAN ) || \
(defined(__BYTE_ORDER ) && defined(__ORDER_LITTLE_ENDIAN ) && __BYTE_ORDER == __ORDER_LITTLE_ENDIAN ) || \
(defined(__BYTE_ORDER__) && defined(__ORDER_LITTLE_ENDIAN__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__))
return a;
#elif !defined(LFS_NO_INTRINSICS) && ( \
(defined( BYTE_ORDER ) && defined( ORDER_BIG_ENDIAN ) && BYTE_ORDER == ORDER_BIG_ENDIAN ) || \
(defined(__BYTE_ORDER ) && defined(__ORDER_BIG_ENDIAN ) && __BYTE_ORDER == __ORDER_BIG_ENDIAN ) || \
(defined(__BYTE_ORDER__) && defined(__ORDER_BIG_ENDIAN__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__))
return __builtin_bswap32(a);
#else
return (((uint8_t*)&a)[0] << 0) |
(((uint8_t*)&a)[1] << 8) |
(((uint8_t*)&a)[2] << 16) |
(((uint8_t*)&a)[3] << 24);
#endif
}
static inline uint32_t lfs_tole32(uint32_t a) {
return lfs_fromle32(a);
}
// Convert between 32-bit big-endian and native order
static inline uint32_t lfs_frombe32(uint32_t a) {
#if !defined(LFS_NO_INTRINSICS) && ( \
(defined( BYTE_ORDER ) && defined( ORDER_LITTLE_ENDIAN ) && BYTE_ORDER == ORDER_LITTLE_ENDIAN ) || \
(defined(__BYTE_ORDER ) && defined(__ORDER_LITTLE_ENDIAN ) && __BYTE_ORDER == __ORDER_LITTLE_ENDIAN ) || \
(defined(__BYTE_ORDER__) && defined(__ORDER_LITTLE_ENDIAN__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__))
return __builtin_bswap32(a);
#elif !defined(LFS_NO_INTRINSICS) && ( \
(defined( BYTE_ORDER ) && defined( ORDER_BIG_ENDIAN ) && BYTE_ORDER == ORDER_BIG_ENDIAN ) || \
(defined(__BYTE_ORDER ) && defined(__ORDER_BIG_ENDIAN ) && __BYTE_ORDER == __ORDER_BIG_ENDIAN ) || \
(defined(__BYTE_ORDER__) && defined(__ORDER_BIG_ENDIAN__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__))
return a;
#else
return (((uint8_t*)&a)[0] << 24) |
(((uint8_t*)&a)[1] << 16) |
(((uint8_t*)&a)[2] << 8) |
(((uint8_t*)&a)[3] << 0);
#endif
}
static inline uint32_t lfs_tobe32(uint32_t a) {
return lfs_frombe32(a);
}
// Calculate CRC-32 with polynomial = 0x04c11db7
uint32_t lfs_crc(uint32_t crc, const void *buffer, size_t size);
// Allocate memory, only used if buffers are not provided to littlefs
// Note, memory must be 64-bit aligned
static inline void *lfs_malloc(size_t size) {
#ifndef LFS_NO_MALLOC
return rt_malloc(size);
#else
(void)size;
return NULL;
#endif
}
// Deallocate memory, only used if buffers are not provided to littlefs
static inline void lfs_free(void *p) {
#ifndef LFS_NO_MALLOC
rt_free(p);
#else
(void)p;
#endif
}
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif

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#include "lfs_util.h"
// Software CRC implementation with small lookup table
uint32_t lfs_crc(uint32_t crc, const void *buffer, size_t size) {
static const uint32_t rtable[16] = {
0x00000000, 0x1db71064, 0x3b6e20c8, 0x26d930ac,
0x76dc4190, 0x6b6b51f4, 0x4db26158, 0x5005713c,
0xedb88320, 0xf00f9344, 0xd6d6a3e8, 0xcb61b38c,
0x9b64c2b0, 0x86d3d2d4, 0xa00ae278, 0xbdbdf21c,
};
const uint8_t *data = buffer;
for (size_t i = 0; i < size; i++) {
crc = (crc >> 4) ^ rtable[(crc ^ (data[i] >> 0)) & 0xf];
crc = (crc >> 4) ^ rtable[(crc ^ (data[i] >> 4)) & 0xf];
}
return crc;
}

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/*
* lfs util functions
*
* Copyright (c) 2022, The littlefs authors.
* Copyright (c) 2017, Arm Limited. All rights reserved.
* SPDX-License-Identifier: BSD-3-Clause
*/
#include "lfs_util.h"
// Only compile if user does not provide custom config
#ifndef LFS_CONFIG
// If user provides their own CRC impl we don't need this
#ifndef LFS_CRC
// Software CRC implementation with small lookup table
uint32_t lfs_crc(uint32_t crc, const void *buffer, size_t size) {
static const uint32_t rtable[16] = {
0x00000000, 0x1db71064, 0x3b6e20c8, 0x26d930ac,
0x76dc4190, 0x6b6b51f4, 0x4db26158, 0x5005713c,
0xedb88320, 0xf00f9344, 0xd6d6a3e8, 0xcb61b38c,
0x9b64c2b0, 0x86d3d2d4, 0xa00ae278, 0xbdbdf21c,
};
const uint8_t *data = buffer;
for (size_t i = 0; i < size; i++) {
crc = (crc >> 4) ^ rtable[(crc ^ (data[i] >> 0)) & 0xf];
crc = (crc >> 4) ^ rtable[(crc ^ (data[i] >> 4)) & 0xf];
}
return crc;
}
#endif
#endif

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/*
* lfs utility functions
*
* Copyright (c) 2022, The littlefs authors.
* Copyright (c) 2017, Arm Limited. All rights reserved.
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef LFS_UTIL_H
#define LFS_UTIL_H
#define LFS_STRINGIZE(x) LFS_STRINGIZE2(x)
#define LFS_STRINGIZE2(x) #x
// Users can override lfs_util.h with their own configuration by defining
// LFS_CONFIG as a header file to include (-DLFS_CONFIG=lfs_config.h).
//
// If LFS_CONFIG is used, none of the default utils will be emitted and must be
// provided by the config file. To start, I would suggest copying lfs_util.h
// and modifying as needed.
#ifdef LFS_CONFIG
#include LFS_STRINGIZE(LFS_CONFIG)
#else
// Alternatively, users can provide a header file which defines
// macros and other things consumed by littlefs.
//
// For example, provide my_defines.h, which contains
// something like:
//
// #include <stddef.h>
// extern void *my_malloc(size_t sz);
// #define LFS_MALLOC(sz) my_malloc(sz)
//
// And build littlefs with the header by defining LFS_DEFINES.
// (-DLFS_DEFINES=my_defines.h)
#ifdef LFS_DEFINES
#include LFS_STRINGIZE(LFS_DEFINES)
#endif
// System includes
#include <stdint.h>
#include <stdbool.h>
#include <string.h>
#include <inttypes.h>
#ifndef LFS_NO_MALLOC
#include <stdlib.h>
#endif
#ifndef LFS_NO_ASSERT
#include <assert.h>
#endif
#if !defined(LFS_NO_DEBUG) || \
!defined(LFS_NO_WARN) || \
!defined(LFS_NO_ERROR) || \
defined(LFS_YES_TRACE)
#include <stdio.h>
#endif
#ifdef __cplusplus
extern "C"
{
#endif
// Macros, may be replaced by system specific wrappers. Arguments to these
// macros must not have side-effects as the macros can be removed for a smaller
// code footprint
// Logging functions
#ifndef LFS_TRACE
#ifdef LFS_YES_TRACE
#define LFS_TRACE_(fmt, ...) \
printf("%s:%d:trace: " fmt "%s\n", __FILE__, __LINE__, __VA_ARGS__)
#define LFS_TRACE(...) LFS_TRACE_(__VA_ARGS__, "")
#else
#define LFS_TRACE(...)
#endif
#endif
#ifndef LFS_DEBUG
#ifndef LFS_NO_DEBUG
#define LFS_DEBUG_(fmt, ...) \
printf("%s:%d:debug: " fmt "%s\n", __FILE__, __LINE__, __VA_ARGS__)
#define LFS_DEBUG(...) LFS_DEBUG_(__VA_ARGS__, "")
#else
#define LFS_DEBUG(...)
#endif
#endif
#ifndef LFS_WARN
#ifndef LFS_NO_WARN
#define LFS_WARN_(fmt, ...) \
printf("%s:%d:warn: " fmt "%s\n", __FILE__, __LINE__, __VA_ARGS__)
#define LFS_WARN(...) LFS_WARN_(__VA_ARGS__, "")
#else
#define LFS_WARN(...)
#endif
#endif
#ifndef LFS_ERROR
#ifndef LFS_NO_ERROR
#define LFS_ERROR_(fmt, ...) \
printf("%s:%d:error: " fmt "%s\n", __FILE__, __LINE__, __VA_ARGS__)
#define LFS_ERROR(...) LFS_ERROR_(__VA_ARGS__, "")
#else
#define LFS_ERROR(...)
#endif
#endif
// Runtime assertions
#ifndef LFS_ASSERT
#ifndef LFS_NO_ASSERT
#define LFS_ASSERT(test) assert(test)
#else
#define LFS_ASSERT(test)
#endif
#endif
// Builtin functions, these may be replaced by more efficient
// toolchain-specific implementations. LFS_NO_INTRINSICS falls back to a more
// expensive basic C implementation for debugging purposes
// Min/max functions for unsigned 32-bit numbers
static inline uint32_t lfs_max(uint32_t a, uint32_t b) {
return (a > b) ? a : b;
}
static inline uint32_t lfs_min(uint32_t a, uint32_t b) {
return (a < b) ? a : b;
}
// Align to nearest multiple of a size
static inline uint32_t lfs_aligndown(uint32_t a, uint32_t alignment) {
return a - (a % alignment);
}
static inline uint32_t lfs_alignup(uint32_t a, uint32_t alignment) {
return lfs_aligndown(a + alignment-1, alignment);
}
// Find the smallest power of 2 greater than or equal to a
static inline uint32_t lfs_npw2(uint32_t a) {
#if !defined(LFS_NO_INTRINSICS) && (defined(__GNUC__) || defined(__CC_ARM))
return 32 - __builtin_clz(a-1);
#else
uint32_t r = 0;
uint32_t s;
a -= 1;
s = (a > 0xffff) << 4; a >>= s; r |= s;
s = (a > 0xff ) << 3; a >>= s; r |= s;
s = (a > 0xf ) << 2; a >>= s; r |= s;
s = (a > 0x3 ) << 1; a >>= s; r |= s;
return (r | (a >> 1)) + 1;
#endif
}
// Count the number of trailing binary zeros in a
// lfs_ctz(0) may be undefined
static inline uint32_t lfs_ctz(uint32_t a) {
#if !defined(LFS_NO_INTRINSICS) && defined(__GNUC__)
return __builtin_ctz(a);
#else
return lfs_npw2((a & -a) + 1) - 1;
#endif
}
// Count the number of binary ones in a
static inline uint32_t lfs_popc(uint32_t a) {
#if !defined(LFS_NO_INTRINSICS) && (defined(__GNUC__) || defined(__CC_ARM))
return __builtin_popcount(a);
#else
a = a - ((a >> 1) & 0x55555555);
a = (a & 0x33333333) + ((a >> 2) & 0x33333333);
return (((a + (a >> 4)) & 0xf0f0f0f) * 0x1010101) >> 24;
#endif
}
// Find the sequence comparison of a and b, this is the distance
// between a and b ignoring overflow
static inline int lfs_scmp(uint32_t a, uint32_t b) {
return (int)(unsigned)(a - b);
}
// Convert between 32-bit little-endian and native order
static inline uint32_t lfs_fromle32(uint32_t a) {
#if (defined( BYTE_ORDER ) && defined( ORDER_LITTLE_ENDIAN ) && BYTE_ORDER == ORDER_LITTLE_ENDIAN ) || \
(defined(__BYTE_ORDER ) && defined(__ORDER_LITTLE_ENDIAN ) && __BYTE_ORDER == __ORDER_LITTLE_ENDIAN ) || \
(defined(__BYTE_ORDER__) && defined(__ORDER_LITTLE_ENDIAN__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__)
return a;
#elif !defined(LFS_NO_INTRINSICS) && ( \
(defined( BYTE_ORDER ) && defined( ORDER_BIG_ENDIAN ) && BYTE_ORDER == ORDER_BIG_ENDIAN ) || \
(defined(__BYTE_ORDER ) && defined(__ORDER_BIG_ENDIAN ) && __BYTE_ORDER == __ORDER_BIG_ENDIAN ) || \
(defined(__BYTE_ORDER__) && defined(__ORDER_BIG_ENDIAN__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__))
return __builtin_bswap32(a);
#else
return ((uint32_t)((uint8_t*)&a)[0] << 0) |
((uint32_t)((uint8_t*)&a)[1] << 8) |
((uint32_t)((uint8_t*)&a)[2] << 16) |
((uint32_t)((uint8_t*)&a)[3] << 24);
#endif
}
static inline uint32_t lfs_tole32(uint32_t a) {
return lfs_fromle32(a);
}
// Convert between 32-bit big-endian and native order
static inline uint32_t lfs_frombe32(uint32_t a) {
#if !defined(LFS_NO_INTRINSICS) && ( \
(defined( BYTE_ORDER ) && defined( ORDER_LITTLE_ENDIAN ) && BYTE_ORDER == ORDER_LITTLE_ENDIAN ) || \
(defined(__BYTE_ORDER ) && defined(__ORDER_LITTLE_ENDIAN ) && __BYTE_ORDER == __ORDER_LITTLE_ENDIAN ) || \
(defined(__BYTE_ORDER__) && defined(__ORDER_LITTLE_ENDIAN__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__))
return __builtin_bswap32(a);
#elif (defined( BYTE_ORDER ) && defined( ORDER_BIG_ENDIAN ) && BYTE_ORDER == ORDER_BIG_ENDIAN ) || \
(defined(__BYTE_ORDER ) && defined(__ORDER_BIG_ENDIAN ) && __BYTE_ORDER == __ORDER_BIG_ENDIAN ) || \
(defined(__BYTE_ORDER__) && defined(__ORDER_BIG_ENDIAN__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)
return a;
#else
return ((uint32_t)((uint8_t*)&a)[0] << 24) |
((uint32_t)((uint8_t*)&a)[1] << 16) |
((uint32_t)((uint8_t*)&a)[2] << 8) |
((uint32_t)((uint8_t*)&a)[3] << 0);
#endif
}
static inline uint32_t lfs_tobe32(uint32_t a) {
return lfs_frombe32(a);
}
// Calculate CRC-32 with polynomial = 0x04c11db7
#ifdef LFS_CRC
static inline uint32_t lfs_crc(uint32_t crc, const void *buffer, size_t size) {
return LFS_CRC(crc, buffer, size);
}
#else
uint32_t lfs_crc(uint32_t crc, const void *buffer, size_t size);
#endif
// Allocate memory, only used if buffers are not provided to littlefs
//
// littlefs current has no alignment requirements, as it only allocates
// byte-level buffers.
static inline void *lfs_malloc(size_t size) {
#if defined(LFS_MALLOC)
return LFS_MALLOC(size);
#elif !defined(LFS_NO_MALLOC)
return malloc(size);
#else
(void)size;
return NULL;
#endif
}
// Deallocate memory, only used if buffers are not provided to littlefs
static inline void lfs_free(void *p) {
#if defined(LFS_FREE)
LFS_FREE(p);
#elif !defined(LFS_NO_MALLOC)
free(p);
#else
(void)p;
#endif
}
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif
#endif

2063
packages/littlefs-v2.11.2/runners/bench_runner.c
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146
packages/littlefs-v2.11.2/runners/bench_runner.h
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@ -0,0 +1,146 @@
/*
* Runner for littlefs benchmarks
*
* Copyright (c) 2022, The littlefs authors.
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef BENCH_RUNNER_H
#define BENCH_RUNNER_H
// override LFS_TRACE
void bench_trace(const char *fmt, ...);
#define LFS_TRACE_(fmt, ...) \
bench_trace("%s:%d:trace: " fmt "%s\n", \
__FILE__, \
__LINE__, \
__VA_ARGS__)
#define LFS_TRACE(...) LFS_TRACE_(__VA_ARGS__, "")
#define LFS_EMUBD_TRACE(...) LFS_TRACE_(__VA_ARGS__, "")
// provide BENCH_START/BENCH_STOP macros
void bench_start(void);
void bench_stop(void);
#define BENCH_START() bench_start()
#define BENCH_STOP() bench_stop()
// note these are indirectly included in any generated files
#include "bd/lfs_emubd.h"
#include <stdio.h>
// give source a chance to define feature macros
#undef _FEATURES_H
#undef _STDIO_H
// generated bench configurations
struct lfs_config;
enum bench_flags {
BENCH_REENTRANT = 0x1,
};
typedef uint8_t bench_flags_t;
typedef struct bench_define {
intmax_t (*cb)(void *data);
void *data;
} bench_define_t;
struct bench_case {
const char *name;
const char *path;
bench_flags_t flags;
size_t permutations;
const bench_define_t *defines;
bool (*filter)(void);
void (*run)(struct lfs_config *cfg);
};
struct bench_suite {
const char *name;
const char *path;
bench_flags_t flags;
const char *const *define_names;
size_t define_count;
const struct bench_case *cases;
size_t case_count;
};
// deterministic prng for pseudo-randomness in benches
uint32_t bench_prng(uint32_t *state);
#define BENCH_PRNG(state) bench_prng(state)
// access generated bench defines
intmax_t bench_define(size_t define);
#define BENCH_DEFINE(i) bench_define(i)
// a few preconfigured defines that control how benches run
#define READ_SIZE_i 0
#define PROG_SIZE_i 1
#define ERASE_SIZE_i 2
#define ERASE_COUNT_i 3
#define BLOCK_SIZE_i 4
#define BLOCK_COUNT_i 5
#define CACHE_SIZE_i 6
#define LOOKAHEAD_SIZE_i 7
#define COMPACT_THRESH_i 8
#define METADATA_MAX_i 9
#define INLINE_MAX_i 10
#define BLOCK_CYCLES_i 11
#define ERASE_VALUE_i 12
#define ERASE_CYCLES_i 13
#define BADBLOCK_BEHAVIOR_i 14
#define POWERLOSS_BEHAVIOR_i 15
#define READ_SIZE bench_define(READ_SIZE_i)
#define PROG_SIZE bench_define(PROG_SIZE_i)
#define ERASE_SIZE bench_define(ERASE_SIZE_i)
#define ERASE_COUNT bench_define(ERASE_COUNT_i)
#define BLOCK_SIZE bench_define(BLOCK_SIZE_i)
#define BLOCK_COUNT bench_define(BLOCK_COUNT_i)
#define CACHE_SIZE bench_define(CACHE_SIZE_i)
#define LOOKAHEAD_SIZE bench_define(LOOKAHEAD_SIZE_i)
#define COMPACT_THRESH bench_define(COMPACT_THRESH_i)
#define METADATA_MAX bench_define(METADATA_MAX_i)
#define INLINE_MAX bench_define(INLINE_MAX_i)
#define BLOCK_CYCLES bench_define(BLOCK_CYCLES_i)
#define ERASE_VALUE bench_define(ERASE_VALUE_i)
#define ERASE_CYCLES bench_define(ERASE_CYCLES_i)
#define BADBLOCK_BEHAVIOR bench_define(BADBLOCK_BEHAVIOR_i)
#define POWERLOSS_BEHAVIOR bench_define(POWERLOSS_BEHAVIOR_i)
#define BENCH_IMPLICIT_DEFINES \
BENCH_DEF(READ_SIZE, PROG_SIZE) \
BENCH_DEF(PROG_SIZE, ERASE_SIZE) \
BENCH_DEF(ERASE_SIZE, 0) \
BENCH_DEF(ERASE_COUNT, (1024*1024)/BLOCK_SIZE) \
BENCH_DEF(BLOCK_SIZE, ERASE_SIZE) \
BENCH_DEF(BLOCK_COUNT, ERASE_COUNT/lfs_max(BLOCK_SIZE/ERASE_SIZE,1))\
BENCH_DEF(CACHE_SIZE, lfs_max(64,lfs_max(READ_SIZE,PROG_SIZE))) \
BENCH_DEF(LOOKAHEAD_SIZE, 16) \
BENCH_DEF(COMPACT_THRESH, 0) \
BENCH_DEF(METADATA_MAX, 0) \
BENCH_DEF(INLINE_MAX, 0) \
BENCH_DEF(BLOCK_CYCLES, -1) \
BENCH_DEF(ERASE_VALUE, 0xff) \
BENCH_DEF(ERASE_CYCLES, 0) \
BENCH_DEF(BADBLOCK_BEHAVIOR, LFS_EMUBD_BADBLOCK_PROGERROR) \
BENCH_DEF(POWERLOSS_BEHAVIOR, LFS_EMUBD_POWERLOSS_NOOP)
#define BENCH_GEOMETRY_DEFINE_COUNT 4
#define BENCH_IMPLICIT_DEFINE_COUNT 16
#endif

2818
packages/littlefs-v2.11.2/runners/test_runner.c
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142
packages/littlefs-v2.11.2/runners/test_runner.h
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@ -0,0 +1,142 @@
/*
* Runner for littlefs tests
*
* Copyright (c) 2022, The littlefs authors.
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef TEST_RUNNER_H
#define TEST_RUNNER_H
// override LFS_TRACE
void test_trace(const char *fmt, ...);
#define LFS_TRACE_(fmt, ...) \
test_trace("%s:%d:trace: " fmt "%s\n", \
__FILE__, \
__LINE__, \
__VA_ARGS__)
#define LFS_TRACE(...) LFS_TRACE_(__VA_ARGS__, "")
#define LFS_EMUBD_TRACE(...) LFS_TRACE_(__VA_ARGS__, "")
// note these are indirectly included in any generated files
#include "bd/lfs_emubd.h"
#include <stdio.h>
// give source a chance to define feature macros
#undef _FEATURES_H
#undef _STDIO_H
// generated test configurations
struct lfs_config;
enum test_flags {
TEST_REENTRANT = 0x1,
};
typedef uint8_t test_flags_t;
typedef struct test_define {
intmax_t (*cb)(void *data);
void *data;
} test_define_t;
struct test_case {
const char *name;
const char *path;
test_flags_t flags;
size_t permutations;
const test_define_t *defines;
bool (*filter)(void);
void (*run)(struct lfs_config *cfg);
};
struct test_suite {
const char *name;
const char *path;
test_flags_t flags;
const char *const *define_names;
size_t define_count;
const struct test_case *cases;
size_t case_count;
};
// deterministic prng for pseudo-randomness in testes
uint32_t test_prng(uint32_t *state);
#define TEST_PRNG(state) test_prng(state)
// access generated test defines
intmax_t test_define(size_t define);
#define TEST_DEFINE(i) test_define(i)
// a few preconfigured defines that control how tests run
#define READ_SIZE_i 0
#define PROG_SIZE_i 1
#define ERASE_SIZE_i 2
#define ERASE_COUNT_i 3
#define BLOCK_SIZE_i 4
#define BLOCK_COUNT_i 5
#define CACHE_SIZE_i 6
#define LOOKAHEAD_SIZE_i 7
#define COMPACT_THRESH_i 8
#define METADATA_MAX_i 9
#define INLINE_MAX_i 10
#define BLOCK_CYCLES_i 11
#define ERASE_VALUE_i 12
#define ERASE_CYCLES_i 13
#define BADBLOCK_BEHAVIOR_i 14
#define POWERLOSS_BEHAVIOR_i 15
#define DISK_VERSION_i 16
#define READ_SIZE TEST_DEFINE(READ_SIZE_i)
#define PROG_SIZE TEST_DEFINE(PROG_SIZE_i)
#define ERASE_SIZE TEST_DEFINE(ERASE_SIZE_i)
#define ERASE_COUNT TEST_DEFINE(ERASE_COUNT_i)
#define BLOCK_SIZE TEST_DEFINE(BLOCK_SIZE_i)
#define BLOCK_COUNT TEST_DEFINE(BLOCK_COUNT_i)
#define CACHE_SIZE TEST_DEFINE(CACHE_SIZE_i)
#define LOOKAHEAD_SIZE TEST_DEFINE(LOOKAHEAD_SIZE_i)
#define COMPACT_THRESH TEST_DEFINE(COMPACT_THRESH_i)
#define METADATA_MAX TEST_DEFINE(METADATA_MAX_i)
#define INLINE_MAX TEST_DEFINE(INLINE_MAX_i)
#define BLOCK_CYCLES TEST_DEFINE(BLOCK_CYCLES_i)
#define ERASE_VALUE TEST_DEFINE(ERASE_VALUE_i)
#define ERASE_CYCLES TEST_DEFINE(ERASE_CYCLES_i)
#define BADBLOCK_BEHAVIOR TEST_DEFINE(BADBLOCK_BEHAVIOR_i)
#define POWERLOSS_BEHAVIOR TEST_DEFINE(POWERLOSS_BEHAVIOR_i)
#define DISK_VERSION TEST_DEFINE(DISK_VERSION_i)
#define TEST_IMPLICIT_DEFINES \
TEST_DEF(READ_SIZE, PROG_SIZE) \
TEST_DEF(PROG_SIZE, ERASE_SIZE) \
TEST_DEF(ERASE_SIZE, 0) \
TEST_DEF(ERASE_COUNT, (1024*1024)/ERASE_SIZE) \
TEST_DEF(BLOCK_SIZE, ERASE_SIZE) \
TEST_DEF(BLOCK_COUNT, ERASE_COUNT/lfs_max(BLOCK_SIZE/ERASE_SIZE,1)) \
TEST_DEF(CACHE_SIZE, lfs_max(64,lfs_max(READ_SIZE,PROG_SIZE))) \
TEST_DEF(LOOKAHEAD_SIZE, 16) \
TEST_DEF(COMPACT_THRESH, 0) \
TEST_DEF(METADATA_MAX, 0) \
TEST_DEF(INLINE_MAX, 0) \
TEST_DEF(BLOCK_CYCLES, -1) \
TEST_DEF(ERASE_VALUE, 0xff) \
TEST_DEF(ERASE_CYCLES, 0) \
TEST_DEF(BADBLOCK_BEHAVIOR, LFS_EMUBD_BADBLOCK_PROGERROR) \
TEST_DEF(POWERLOSS_BEHAVIOR, LFS_EMUBD_POWERLOSS_NOOP) \
TEST_DEF(DISK_VERSION, 0)
#define TEST_GEOMETRY_DEFINE_COUNT 4
#define TEST_IMPLICIT_DEFINE_COUNT 17
#endif

BIN
packages/packages.dbsqlite
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5
packages/pkgs.json
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@ -8,5 +8,10 @@
"path": "/packages/system/sqlite", "path": "/packages/system/sqlite",
"ver": "v3.19.3", "ver": "v3.19.3",
"name": "SQLITE" "name": "SQLITE"
},
{
"path": "/packages/system/littlefs",
"ver": "v2.11.2",
"name": "LITTLEFS"
} }
] ]

4
rt-thread/components/fal/src/fal.c
View File

@ -40,12 +40,12 @@ __exit:
if ((result > 0) && (!init_ok)) if ((result > 0) && (!init_ok))
{ {
init_ok = 1; init_ok = 1;
log_i("RT-Thread Flash Abstraction Layer initialize success."); log_i("Flash Abstraction Layer initialize success.");
} }
else if(result <= 0) else if(result <= 0)
{ {
init_ok = 0; init_ok = 0;
log_e("RT-Thread Flash Abstraction Layer initialize failed."); log_e("Flash Abstraction Layer initialize failed.");
} }
return result; return result;

23
rtconfig.h
View File

@ -88,7 +88,7 @@
#define DFS_USING_WORKDIR #define DFS_USING_WORKDIR
#define DFS_FD_MAX 16 #define DFS_FD_MAX 16
#define RT_USING_DFS_V1 #define RT_USING_DFS_V1
#define DFS_FILESYSTEMS_MAX 4 #define DFS_FILESYSTEMS_MAX 6
#define DFS_FILESYSTEM_TYPES_MAX 4 #define DFS_FILESYSTEM_TYPES_MAX 4
#define RT_USING_DFS_ELMFAT #define RT_USING_DFS_ELMFAT
@ -111,6 +111,11 @@
#define RT_USING_DFS_DEVFS #define RT_USING_DFS_DEVFS
#define RT_USING_DFS_TMPFS #define RT_USING_DFS_TMPFS
/* end of DFS: device virtual file system */ /* end of DFS: device virtual file system */
#define RT_USING_FAL
#define FAL_DEBUG 0
#define FAL_PART_HAS_TABLE_CFG
#define FAL_USING_SFUD_PORT
#define FAL_USING_NOR_FLASH_DEV_NAME "W25Q128"
/* Device Drivers */ /* Device Drivers */
@ -119,6 +124,7 @@
#define RT_USING_SERIAL #define RT_USING_SERIAL
#define RT_USING_SERIAL_V1 #define RT_USING_SERIAL_V1
#define RT_SERIAL_RB_BUFSZ 512 #define RT_SERIAL_RB_BUFSZ 512
#define RT_USING_MTD_NOR
#define RT_USING_RTC #define RT_USING_RTC
#define RT_USING_SOFT_RTC #define RT_USING_SOFT_RTC
#define RT_USING_SDIO #define RT_USING_SDIO
@ -130,6 +136,11 @@
#define RT_USING_SPI #define RT_USING_SPI
#define RT_USING_QSPI #define RT_USING_QSPI
#define RT_USING_SPI_MSD #define RT_USING_SPI_MSD
#define RT_USING_SFUD
#define RT_SFUD_USING_SFDP
#define RT_SFUD_USING_FLASH_INFO_TABLE
#define RT_SFUD_USING_QSPI
#define RT_SFUD_SPI_MAX_HZ 50000000
#define RT_USING_DEV_BUS #define RT_USING_DEV_BUS
#define RT_USING_PIN #define RT_USING_PIN
@ -263,6 +274,16 @@
#define PKG_SQLITE_SQL_MAX_LEN 1024 #define PKG_SQLITE_SQL_MAX_LEN 1024
#define PKG_SQLITE_DB_NAME_MAX_LEN 64 #define PKG_SQLITE_DB_NAME_MAX_LEN 64
#define PKG_USING_SQLITE_V3193 #define PKG_USING_SQLITE_V3193
#define PKG_USING_LITTLEFS
#define PKG_USING_LITTLEFS_V2112
#define LFS_READ_SIZE 256
#define LFS_PROG_SIZE 256
#define LFS_BLOCK_SIZE 4096
#define LFS_CACHE_SIZE 256
#define LFS_BLOCK_CYCLES 500
#define LFS_THREADSAFE
#define LFS_LOOKAHEAD_MAX 128
#define RT_DEF_LFS_DRIVERS 2
/* end of system packages */ /* end of system packages */
/* peripheral libraries and drivers */ /* peripheral libraries and drivers */

1
rtconfig_preinc.h
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@ -5,6 +5,7 @@
/* Automatically generated file; DO NOT EDIT. */ /* Automatically generated file; DO NOT EDIT. */
/* RT-Thread pre-include file */ /* RT-Thread pre-include file */
#define LFS_CONFIG lfs_config.h
#define RT_USING_LIBC #define RT_USING_LIBC
#define RT_USING_NEWLIBC #define RT_USING_NEWLIBC
#define _POSIX_C_SOURCE 1 #define _POSIX_C_SOURCE 1

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