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串口2接收数据，comm处理信息

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sc committed 2025-10-20 23:23:35 +08:00
1 parent 7c463c07c6
commit 9f9c96d650
14 files changed
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.config
+1 -1
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@@ -160,7 +160,7 @@ CONFIG_RT_USING_DEVICE_IPC=y
CONFIG_RT_USING_SERIAL=y CONFIG_RT_USING_SERIAL=y
CONFIG_RT_USING_SERIAL_V1=y CONFIG_RT_USING_SERIAL_V1=y
# CONFIG_RT_USING_SERIAL_V2 is not set # CONFIG_RT_USING_SERIAL_V2 is not set
# CONFIG_RT_SERIAL_USING_DMA is not set CONFIG_RT_SERIAL_USING_DMA=y
CONFIG_RT_SERIAL_RB_BUFSZ=64 CONFIG_RT_SERIAL_RB_BUFSZ=64
# CONFIG_RT_USING_CAN is not set # CONFIG_RT_USING_CAN is not set
# CONFIG_RT_USING_HWTIMER is not set # CONFIG_RT_USING_HWTIMER is not set
.cproject
+96
View File
@@ -68,6 +68,9 @@
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<listOptionValue builtIn="false" value="&quot;${workspace_loc:/${ProjName}/applications/DBSQL}&quot;"/>
<listOptionValue builtIn="false" value="&quot;${workspace_loc:/${ProjName}/applications/DB}&quot;"/>
<listOptionValue builtIn="false" value="&quot;${workspace_loc://${ProjName}/drivers//include}&quot;"/> <listOptionValue builtIn="false" value="&quot;${workspace_loc://${ProjName}/drivers//include}&quot;"/>
<listOptionValue builtIn="false" value="&quot;${workspace_loc://${ProjName}/drivers//include//config}&quot;"/> <listOptionValue builtIn="false" value="&quot;${workspace_loc://${ProjName}/drivers//include//config}&quot;"/>
<listOptionValue builtIn="false" value="&quot;${workspace_loc://${ProjName}/libraries//CMSIS//Device//ST//STM32F4xx//Include}&quot;"/> <listOptionValue builtIn="false" value="&quot;${workspace_loc://${ProjName}/libraries//CMSIS//Device//ST//STM32F4xx//Include}&quot;"/>
@@ -265,6 +268,8 @@
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<listOptionValue builtIn="false" value="&quot;${workspace_loc:/${ProjName}/applications/DATA}&quot;"/>
<listOptionValue builtIn="false" value="&quot;${workspace_loc:/${ProjName}/applications/DBSQL}&quot;"/>
<listOptionValue builtIn="false" value="&quot;${workspace_loc:/${ProjName}/applications/RUN_LED}&quot;"/> <listOptionValue builtIn="false" value="&quot;${workspace_loc:/${ProjName}/applications/RUN_LED}&quot;"/>
<listOptionValue builtIn="false" value="&quot;${workspace_loc://${ProjName}/drivers//include}&quot;"/> <listOptionValue builtIn="false" value="&quot;${workspace_loc://${ProjName}/drivers//include}&quot;"/>
<listOptionValue builtIn="false" value="&quot;${workspace_loc://${ProjName}/drivers//include//config}&quot;"/> <listOptionValue builtIn="false" value="&quot;${workspace_loc://${ProjName}/drivers//include//config}&quot;"/>
@@ -307,6 +312,97 @@
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excluding="//cubemx/Drivers|//cubemx/EWARM|//cubemx/Src/stm32f4xx_it.c|//cubemx/Src/system_stm32f4xx.c|//packages/sqlite-v3.19.3/rtthread_io_methods.c|//packages/sqlite-v3.19.3/rtthread_mutex.c|//packages/sqlite-v3.19.3/rtthread_vfs.c|//packages/sqlite-v3.19.3/shell.c|//packages/sqlite-v3.19.3/student_dao.c|//rt-thread/components/dfs/filesystems/nfs|//rt-thread/components/dfs/filesystems/ramfs|//rt-thread/components/dfs/filesystems/romfs|//rt-thread/components/dfs/filesystems/skeleton|//rt-thread/components/drivers/audio|//rt-thread/components/drivers/can|//rt-thread/components/drivers/cputime|//rt-thread/components/drivers/hwcrypto|//rt-thread/components/drivers/hwtimer|//rt-thread/components/drivers/i2c|//rt-thread/components/drivers/misc/adc.c|//rt-thread/components/drivers/misc/dac.c|//rt-thread/components/drivers/misc/pulse_encoder.c|//rt-thread/components/drivers/misc/rt_drv_pwm.c|//rt-thread/components/drivers/misc/rt_inputcapture.c|//rt-thread/components/drivers/mtd|//rt-thread/components/drivers/phy|//rt-thread/components/drivers/pm|//rt-thread/components/drivers/rtc|//rt-thread/components/drivers/sensors|//rt-thread/components/drivers/serial/serial_v2.c|//rt-thread/components/drivers/spi|//rt-thread/components/drivers/touch|//rt-thread/components/drivers/usb|//rt-thread/components/drivers/watchdog|//rt-thread/components/drivers/wlan|//rt-thread/components/fal|//rt-thread/components/libc/compilers/armlibc|//rt-thread/components/libc/compilers/dlib|//rt-thread/components/libc/cplusplus|//rt-thread/components/libc/posix|//rt-thread/components/lwp|//rt-thread/components/net|//rt-thread/components/utilities|//rt-thread/components/vbus|//rt-thread/components/vmm|//rt-thread/libcpu/aarch64|//rt-thread/libcpu/arc|//rt-thread/libcpu/arm/AT91SAM7S|//rt-thread/libcpu/arm/AT91SAM7X|//rt-thread/libcpu/arm/am335x|//rt-thread/libcpu/arm/arm926|//rt-thread/libcpu/arm/armv6|//rt-thread/libcpu/arm/common/divsi3.S|//rt-thread/libcpu/arm/cortex-a|//rt-thread/libcpu/arm/cortex-m0|//rt-thread/libcpu/arm/cortex-m23|//rt-thread/libcpu/arm/cortex-m3|//rt-thread/libcpu/arm/cortex-m33|//rt-thread/libcpu/arm/cortex-m4/context_iar.S|//rt-thread/libcpu/arm/cortex-m4/context_rvds.S|//rt-thread/libcpu/arm/cortex-m7|//rt-thread/libcpu/arm/cortex-r4|//rt-thread/libcpu/arm/dm36x|//rt-thread/libcpu/arm/lpc214x|//rt-thread/libcpu/arm/lpc24xx|//rt-thread/libcpu/arm/realview-a8-vmm|//rt-thread/libcpu/arm/s3c24x0|//rt-thread/libcpu/arm/s3c44b0|//rt-thread/libcpu/arm/sep4020|//rt-thread/libcpu/arm/zynqmp-r5|//rt-thread/libcpu/avr32|//rt-thread/libcpu/blackfin|//rt-thread/libcpu/c-sky|//rt-thread/libcpu/ia32|//rt-thread/libcpu/m16c|//rt-thread/libcpu/mips|//rt-thread/libcpu/nios|//rt-thread/libcpu/ppc|//rt-thread/libcpu/risc-v|//rt-thread/libcpu/rx|//rt-thread/libcpu/sim|//rt-thread/libcpu/sparc-v8|//rt-thread/libcpu/ti-dsp|//rt-thread/libcpu/unicore32|//rt-thread/libcpu/v850|//rt-thread/libcpu/xilinx|//rt-thread/src/cpu.c|//rt-thread/src/memheap.c|//rt-thread/src/signal.c|//rt-thread/src/slab.c|//rt-thread/tools" flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name=""/> <entry excluding="//cubemx/Drivers|//cubemx/EWARM|//cubemx/Src/stm32f4xx_it.c|//cubemx/Src/system_stm32f4xx.c|//packages/sqlite-v3.19.3/rtthread_io_methods.c|//packages/sqlite-v3.19.3/rtthread_mutex.c|//packages/sqlite-v3.19.3/rtthread_vfs.c|//packages/sqlite-v3.19.3/shell.c|//packages/sqlite-v3.19.3/student_dao.c|//rt-thread/components/dfs/filesystems/nfs|//rt-thread/components/dfs/filesystems/ramfs|//rt-thread/components/dfs/filesystems/romfs|//rt-thread/components/dfs/filesystems/skeleton|//rt-thread/components/drivers/audio|//rt-thread/components/drivers/can|//rt-thread/components/drivers/cputime|//rt-thread/components/drivers/hwcrypto|//rt-thread/components/drivers/hwtimer|//rt-thread/components/drivers/i2c|//rt-thread/components/drivers/misc/adc.c|//rt-thread/components/drivers/misc/dac.c|//rt-thread/components/drivers/misc/pulse_encoder.c|//rt-thread/components/drivers/misc/rt_drv_pwm.c|//rt-thread/components/drivers/misc/rt_inputcapture.c|//rt-thread/components/drivers/mtd|//rt-thread/components/drivers/phy|//rt-thread/components/drivers/pm|//rt-thread/components/drivers/rtc|//rt-thread/components/drivers/sensors|//rt-thread/components/drivers/serial/serial_v2.c|//rt-thread/components/drivers/spi|//rt-thread/components/drivers/touch|//rt-thread/components/drivers/usb|//rt-thread/components/drivers/watchdog|//rt-thread/components/drivers/wlan|//rt-thread/components/fal|//rt-thread/components/libc/compilers/armlibc|//rt-thread/components/libc/compilers/dlib|//rt-thread/components/libc/cplusplus|//rt-thread/components/libc/posix|//rt-thread/components/lwp|//rt-thread/components/net|//rt-thread/components/utilities|//rt-thread/components/vbus|//rt-thread/components/vmm|//rt-thread/libcpu/aarch64|//rt-thread/libcpu/arc|//rt-thread/libcpu/arm/AT91SAM7S|//rt-thread/libcpu/arm/AT91SAM7X|//rt-thread/libcpu/arm/am335x|//rt-thread/libcpu/arm/arm926|//rt-thread/libcpu/arm/armv6|//rt-thread/libcpu/arm/common/divsi3.S|//rt-thread/libcpu/arm/cortex-a|//rt-thread/libcpu/arm/cortex-m0|//rt-thread/libcpu/arm/cortex-m23|//rt-thread/libcpu/arm/cortex-m3|//rt-thread/libcpu/arm/cortex-m33|//rt-thread/libcpu/arm/cortex-m4/context_iar.S|//rt-thread/libcpu/arm/cortex-m4/context_rvds.S|//rt-thread/libcpu/arm/cortex-m7|//rt-thread/libcpu/arm/cortex-r4|//rt-thread/libcpu/arm/dm36x|//rt-thread/libcpu/arm/lpc214x|//rt-thread/libcpu/arm/lpc24xx|//rt-thread/libcpu/arm/realview-a8-vmm|//rt-thread/libcpu/arm/s3c24x0|//rt-thread/libcpu/arm/s3c44b0|//rt-thread/libcpu/arm/sep4020|//rt-thread/libcpu/arm/zynqmp-r5|//rt-thread/libcpu/avr32|//rt-thread/libcpu/blackfin|//rt-thread/libcpu/c-sky|//rt-thread/libcpu/ia32|//rt-thread/libcpu/m16c|//rt-thread/libcpu/mips|//rt-thread/libcpu/nios|//rt-thread/libcpu/ppc|//rt-thread/libcpu/risc-v|//rt-thread/libcpu/rx|//rt-thread/libcpu/sim|//rt-thread/libcpu/sparc-v8|//rt-thread/libcpu/ti-dsp|//rt-thread/libcpu/unicore32|//rt-thread/libcpu/v850|//rt-thread/libcpu/xilinx|//rt-thread/src/cpu.c|//rt-thread/src/memheap.c|//rt-thread/src/signal.c|//rt-thread/src/slab.c|//rt-thread/tools" flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name=""/>
</sourceEntries> </sourceEntries>
.settings/language.settings.xml
+1 -1
View File
@@ -5,7 +5,7 @@
<provider copy-of="extension" id="org.eclipse.cdt.ui.UserLanguageSettingsProvider"/> <provider copy-of="extension" id="org.eclipse.cdt.ui.UserLanguageSettingsProvider"/>
<provider-reference id="org.eclipse.cdt.core.ReferencedProjectsLanguageSettingsProvider" ref="shared-provider"/> <provider-reference id="org.eclipse.cdt.core.ReferencedProjectsLanguageSettingsProvider" ref="shared-provider"/>
<provider-reference id="org.eclipse.cdt.managedbuilder.core.MBSLanguageSettingsProvider" ref="shared-provider"/> <provider-reference id="org.eclipse.cdt.managedbuilder.core.MBSLanguageSettingsProvider" ref="shared-provider"/>
<provider class="org.eclipse.cdt.managedbuilder.language.settings.providers.GCCBuiltinSpecsDetector" console="false" env-hash="-1329242017815709534" id="ilg.gnuarmeclipse.managedbuild.cross.GCCBuiltinSpecsDetector" keep-relative-paths="false" name="CDT ARM Cross GCC Built-in Compiler Settings " parameter="${COMMAND} ${FLAGS} ${cross_toolchain_flags} -E -P -v -dD &quot;${INPUTS}&quot;" prefer-non-shared="true"> <provider class="org.eclipse.cdt.managedbuilder.language.settings.providers.GCCBuiltinSpecsDetector" console="false" env-hash="-1258495279358323302" id="ilg.gnuarmeclipse.managedbuild.cross.GCCBuiltinSpecsDetector" keep-relative-paths="false" name="CDT ARM Cross GCC Built-in Compiler Settings " parameter="${COMMAND} ${FLAGS} ${cross_toolchain_flags} -E -P -v -dD &quot;${INPUTS}&quot;" prefer-non-shared="true">
<language-scope id="org.eclipse.cdt.core.gcc"/> <language-scope id="org.eclipse.cdt.core.gcc"/>
<language-scope id="org.eclipse.cdt.core.g++"/> <language-scope id="org.eclipse.cdt.core.g++"/>
</provider> </provider>
applications/DATA/DATA_comm.c
+60
View File
@@ -0,0 +1,60 @@
/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2025-10-20 Administrator the first version
*/
/* DATA_comm.c */
#include <rtthread.h>
#include "data_comm.h"
rt_mq_t proc_mq;
void proc_thread_entry(void *parameter)
{
struct proc_request *req;
while (1)
{
// 接收请求指针
if (rt_mq_recv(proc_mq, &req, sizeof(req), RT_WAITING_FOREVER) == RT_EOK)
{
if (!req) continue;
rt_kprintf("Processing: %.*s\n", req->input_len, req->input);
// 示例处理：回显
req->output_len = rt_snprintf(req->output, sizeof(req->output),
"Echo: %.*s", req->input_len, req->input);
// 通知 UART 线程可以发送了
if (req->sem)
{
rt_sem_release(req->sem);
}
}
}
}
int data_comm_init(void)
{
proc_mq = rt_mq_create("proc_mq", sizeof(struct proc_request*), 5, RT_IPC_FLAG_FIFO);
if (proc_mq == RT_NULL)
{
rt_kprintf("Failed to create message queue!\n");
return -1;
}
rt_thread_t tid = rt_thread_create("proc", proc_thread_entry, RT_NULL,
2048, 20, 10);
if (tid != RT_NULL)
{
rt_thread_startup(tid);
}
return 0;
}
//INIT_COMPONENT_EXPORT(data_comm_init);
applications/DATA/DATA_comm.h
+31
View File
@@ -0,0 +1,31 @@
/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2025-10-20 Administrator the first version
*/
#ifndef APPLICATIONS_DATA_COMM_H_
#define APPLICATIONS_DATA_COMM_H_
// 最大输入/输出长度
#define MAX_INPUT_LEN 512
#define MAX_OUTPUT_LEN 1024
// 请求结构体
struct proc_request {
char input[MAX_INPUT_LEN];
int input_len;
char output[MAX_OUTPUT_LEN];
int output_len;
struct rt_semaphore *sem; // 指向动态分配的信号量
};
// 消息队列（供外部使用）
extern rt_mq_t proc_mq;
int data_comm_init(void);
#endif /* APPLICATIONS_DATA_COMM_H_ */
applications/DATA/DATA_uart.c
+151
View File
@@ -0,0 +1,151 @@
/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2025-10-20 Administrator the first version
*/
/* DATA_uart.c */
#include <rtthread.h>
#include <rtdevice.h>
#include "data_comm.h"
#define SAMPLE_UART_NAME "uart2"
#define DMA_RX_BUF_SIZE 512
#define RINGBUF_SIZE 4096
static rt_device_t serial;
// DMA 接收缓冲区
static rt_uint8_t dma_rx_buffer[DMA_RX_BUF_SIZE];
// 环形缓冲区（暂存未完整报文）
static struct rt_ringbuffer rx_rb;
static rt_uint8_t rb_pool[RINGBUF_SIZE];
// 接收回调信号量
static struct rt_semaphore rx_sem;
// 函数声明
static rt_err_t uart_rx_ind(rt_device_t dev, rt_size_t size);
static int get_line(char *buf, int maxlen);
void uart_thread_entry(void *parameter)
{
char input[MAX_INPUT_LEN];
int len;
// 初始化环形缓冲区和信号量
rt_ringbuffer_init(&rx_rb, rb_pool, sizeof(rb_pool));
rt_sem_init(&rx_sem, "rx_sem", 0, RT_IPC_FLAG_FIFO);
// 查找串口设备
serial = rt_device_find(SAMPLE_UART_NAME);
if (!serial) {
rt_kprintf("Cannot find %s\n", SAMPLE_UART_NAME);
return;
}
// 配置串口参数（只设置 bufsz，去掉 dma_rx）
struct serial_configure config = RT_SERIAL_CONFIG_DEFAULT;
config.bufsz = DMA_RX_BUF_SIZE; // 设置接收缓冲区大小
rt_device_control(serial, RT_DEVICE_CTRL_CONFIG, &config);
// 打开设备：关键！使用 RT_DEVICE_FLAG_DMA_RX 启用 DMA 接收
rt_err_t result = rt_device_open(serial, RT_DEVICE_FLAG_DMA_RX | RT_DEVICE_FLAG_DMA_TX);
if (result != RT_EOK)
{
rt_kprintf("Failed to open %s with DMA, error=%d\n", SAMPLE_UART_NAME, result);
return;
}
// 设置接收指示回调（DMA 完成或中断后调用）
rt_device_set_rx_indicate(serial, uart_rx_ind);
rt_kprintf("UART DMA thread running...\n");
while (1)
{
// 等待数据就绪
if (rt_sem_take(&rx_sem, RT_WAITING_FOREVER) == RT_EOK)
{
// 处理接收到的数据（提取完整行）
while ((len = get_line(input, sizeof(input))) > 0)
{
rt_kprintf("Received: %.*s\n", len, input);
// 动态分配请求结构体（见之前完整代码）
struct proc_request *req = rt_malloc(sizeof(struct proc_request));
if (!req) continue;
rt_strncpy(req->input, input, sizeof(req->input));
req->input_len = len;
req->sem = rt_malloc(sizeof(struct rt_semaphore));
if (!req->sem) {
rt_free(req);
continue;
}
rt_sem_init(req->sem, "uart_resp", 0, RT_IPC_FLAG_FIFO);
// 发送到处理线程
if (rt_mq_send(proc_mq, &req, sizeof(req)) == RT_EOK)
{
// 等待处理完成
if (rt_sem_take(req->sem, RT_WAITING_FOREVER) == RT_EOK)
{
rt_device_write(serial, 0, req->output, req->output_len);
}
}
// 清理
rt_sem_detach(req->sem); // 或 rt_sem_delete
rt_free(req->sem);
rt_free(req);
}
}
}
}
// DMA 接收回调
static rt_err_t uart_rx_ind(rt_device_t dev, rt_size_t size)
{
rt_ringbuffer_put(&rx_rb, (const rt_uint8_t*)dma_rx_buffer, size);
rt_sem_release(&rx_sem); // 通知线程处理
return RT_EOK;
}
// 从环形缓冲区提取一行
static int get_line(char *buf, int maxlen)
{
int i = 0;
char ch;
while (rt_ringbuffer_getchar(&rx_rb, &ch) == 1)
{
if (ch == '\n' || ch == '\r') {
if (i > 0) break;
continue;
}
if (i < maxlen - 1) buf[i++] = ch;
}
buf[i] = '\0';
return i > 0 ? i : 0;
}
// 启动 UART 线程
int start_uart_thread(void)
{
rt_thread_t tid = rt_thread_create("uart_rx", uart_thread_entry, RT_NULL,
4096, // 栈大小：4KB
25, // 优先级
10); // 时间片
if (tid != RT_NULL)
{
rt_thread_startup(tid);
}
return 0;
}
//INIT_COMPONENT_EXPORT(start_uart_thread);
applications/DATA/DATA_uart.h
+15
View File
@@ -0,0 +1,15 @@
/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2025-10-20 Administrator the first version
*/
#ifndef APPLICATIONS_DATA_UART_H_
#define APPLICATIONS_DATA_UART_H_
int start_uart_thread(void);
#endif /* APPLICATIONS_DATA_UART_H_ */
applications/DBSQL/DB_SQLite.c
+71
View File
@@ -0,0 +1,71 @@
/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2025-10-20 Administrator the first version
*/
#include <rtthread.h>
#include <rtdevice.h>
#include <board.h>
#include "DB_SQLite.h"
#include <dbhelper.h>
#define DB_NAME "/rt.db"
void db_sqlite(void *parameter)
{
int db_HelperInit;
int db_;
db_HelperInit = db_helper_init();
if(db_HelperInit =RT_EOK){
rt_kprintf("HelperInit database\n");
}else {
// db_ = db_create_database("CREATE TABLE student(id INTEGER PRIMARY KEY AUTOINCREMENT,name varchar(32) NOT NULL,score INT NOT NULL);");
// if(db_=0){rt_kprintf("database ok\n");}else{rt_kprintf("database no\n");}
}
/* int fd = 0;
const char *dbname = db_get_name();
fd = open(dbname, O_RDONLY);
if (fd > 0)
rt_kprintf("%s exist\r\n", dbname);
else
rt_kprintf("%s not exist\r\n");
const char *sql = "CREATE TABLE IF NOT EXISTS student(id INTEGER PRIMARY KEY AUTOINCREMENT,name varchar(32) NOT NULL,score INT NOT NULL);";
rt_kprintf("sql cmd: %s\r\n\r\n", sql);
int ret = db_create_database(sql);
rt_kprintf("sql ret: %d\r\n", ret);*/
// sqlite3_os_init();
/* int rc = db_connect("/rt.db");
if (rc <0) {
const char *sql = "CREATE TABLE student(id INTEGER PRIMARY KEY AUTOINCREMENT,name varchar(32) NOT NULL,score INT NOT NULL);";
int db_create_database(sql);
}*/
}
/* 线程 */
void thread_DB_SQLite(void)
{
/* 初始化线程 1，名称是 thread1，入口是 thread1_entry*/
rt_thread_t tid;
tid = rt_thread_create("db_sqlite", db_sqlite, RT_NULL, 1024*32, 3, 10);
if (tid != RT_NULL)
{
rt_thread_startup(tid);
}
else
{
rt_kprintf("Failed to create sqlite_sys thread!\n");
}
// return 0;
}
applications/DBSQL/DB_SQLite.h
+15
View File
@@ -0,0 +1,15 @@
/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2025-10-20 Administrator the first version
*/
#ifndef APPLICATIONS_DB_DB_SQLITE_H_
#define APPLICATIONS_DB_SQLITE_SYS_H_
void thread_DB_SQLite(void);
#endif /* APPLICATIONS_DB_DB_SQLITE_H_ */
applications/RUN_LED/RUN_LED.c
+3 -2
View File
@@ -2,6 +2,7 @@
#include <rtdevice.h> #include <rtdevice.h>
#include <board.h> #include <board.h>
#include"drv_common.h" #include"drv_common.h"
#include "RUN_LED.h"
#define LED_PIN GET_PIN(C,13) #define LED_PIN GET_PIN(C,13)
@@ -18,12 +19,12 @@ void RUN_LED(void *parameter)
} }
} }
/* 线程示例 */ /* 线程 */
void thread_RUN_LED(void) void thread_RUN_LED(void)
{ {
/* 初始化线程 1，名称是 thread1，入口是 thread1_entry*/ /* 初始化线程 1，名称是 thread1，入口是 thread1_entry*/
rt_thread_t tid; rt_thread_t tid;
tid = rt_thread_create("run_led", RUN_LED, RT_NULL, 512, 3, 10); tid = rt_thread_create("run_led", RUN_LED, RT_NULL, 256, 3, 10);
if (tid != RT_NULL) if (tid != RT_NULL)
{ {
applications/main.c
+9 -45
View File
@@ -1,4 +1,6 @@
/* /*
#include <DBSQL/DB_SQLite.h>
#include <DB_SQLite.h>
* Copyright (c) 2006-2025, RT-Thread Development Team * Copyright (c) 2006-2025, RT-Thread Development Team
* *
* SPDX-License-Identifier: Apache-2.0 * SPDX-License-Identifier: Apache-2.0
@@ -12,61 +14,23 @@
#include "dfs_fs.h" #include "dfs_fs.h"
#include <rtdbg.h> #include <rtdbg.h>
#include "RUN_LED.h" #include "RUN_LED.h"
#include "DB_SQLite.h"
#include <dbhelper.h>
#define DB_NAME "/rt.db"
#define DBG_TAG "main" #define DBG_TAG "main"
#define DBG_LVL DBG_LOG #define DBG_LVL DBG_LOG
#include <rtdbg.h>
extern rt_sem_t mount_sem; // 引用上面SD挂载线程定义的信号量
int main(void) int main(void)
{ {
rt_thread_mdelay(100); //等待sd_mount线程挂载文件系统，可使用IPC信号量完成同步，提高实时性 rt_sem_take(mount_sem, rt_tick_from_millisecond(5000)); // 等待挂载完成，最多等待 5 秒
thread_RUN_LED();//运行指示灯线程
thread_DB_SQLite();
thread_RUN_LED(); start_uart_thread();
data_comm_init();
//int db_HelperInit;
// db_HelperInit = db_helper_init();
// if(db_HelperInit =RT_EOK){
// rt_kprintf("HelperInit database\n");
// }
// int db_helper_init();
// sqlite3 *db;
// int8_t rc;
// rc = sqlite3_open("rt.db", &db);
// if (rc != SQLITE_OK)
// {
//rt_kprintf("Cannot open database: %s\n", sqlite3_errmsg(db));
//return -1;
// }else{
// rt_kprintf("Database opened successfully\n");
// sqlite3_close(db);
// }
// sqlite3_os_init();
//if(int sqlite3_os_init()==RT_EOK){LOG_D("Sqlite int RT_EOK!");}
// sqlite3_os_init();
/* int rc = db_connect("/rt.db");
if (rc <0) {
const char *sql = "CREATE TABLE student(id INTEGER PRIMARY KEY AUTOINCREMENT,name varchar(32) NOT NULL,score INT NOT NULL);";
int db_create_database(sql);
}*/
return RT_EOK; return RT_EOK;
} }
applications/mount_sdio_elmfatfs.c
+48 -9
View File
@@ -15,25 +15,39 @@
#define DBG_LVL DBG_LOG #define DBG_LVL DBG_LOG
#include <rtdbg.h> #include <rtdbg.h>
rt_sem_t mount_sem = RT_NULL;
void sd_mount(void *parameter) void sd_mount(void *parameter)
{ {
while (1) LOG_I("SD mount thread started, waiting for SD card...");
int retry = 0;
while (retry<10)
{ {
if (rt_device_find("sd0") != RT_NULL) if (rt_device_find("sd0") != RT_NULL)
{ {
if (dfs_mount("sd0", "/", "elm", 0, 0) == RT_EOK) if (dfs_mount("sd0", "/", "elm", 0, 0) == RT_EOK)
{ {
LOG_I("sd card mount to '/fatfs'"); LOG_I("SD card mounted to '/' successfully");
break; // 挂载成功，释放信号量
if (mount_sem != RT_NULL)
{
rt_sem_release(mount_sem);
}
break; // 退出线程循环
} }
else else
{ {
LOG_W("sd card mount to '/fatfs' failed!"); LOG_W("SD card mount failed, retrying...");
} }
} }
else
{
LOG_D("SD device 'sd0' not found, retrying...");
}
// 避免空转，延时 100ms 再试
rt_thread_mdelay(500);
retry++;
} }
} }
@@ -41,16 +55,41 @@ int stm32_sdcard_mount(void)
{ {
rt_thread_t tid; rt_thread_t tid;
tid = rt_thread_create("sd_mount", sd_mount, RT_NULL, // 删除旧的信号量（如果存在）
1024*4, RT_THREAD_PRIORITY_MAX - 2, 20); if (mount_sem != RT_NULL)
{
rt_sem_delete(mount_sem);
}
// 创建计数信号量，初始值为 0
mount_sem = rt_sem_create("sd_mount", 0, RT_IPC_FLAG_FIFO);
if (mount_sem == RT_NULL)
{
LOG_E("Failed to create semaphore for SD mount!");
return -RT_ENOMEM;
}
tid = rt_thread_create("sd_mount",
sd_mount,
RT_NULL,
4096, // 建议增大栈，避免溢出
RT_THREAD_PRIORITY_MAX - 2,
20);
if (tid != RT_NULL) if (tid != RT_NULL)
{ {
rt_thread_startup(tid); rt_thread_startup(tid);
LOG_I("SD mount thread created and started");
} }
else else
{ {
LOG_E("create sd_mount thread err!"); LOG_E("Failed to create SD mount thread!");
rt_sem_delete(mount_sem);
mount_sem = RT_NULL;
return -RT_ERROR;
} }
return RT_EOK; return RT_EOK;
} }
// 使用 INIT_COMPONENTS_INIT 或 INIT_APP_EXPORT 自动启动
//INIT_COMPONENTS_INIT(stm32_sdcard_mount); // 在组件初始化阶段运行
INIT_APP_EXPORT(stm32_sdcard_mount); INIT_APP_EXPORT(stm32_sdcard_mount);
drivers/board.h
+5
View File
@@ -71,6 +71,11 @@ extern "C"
#define BSP_UART1_TX_PIN "PA9" #define BSP_UART1_TX_PIN "PA9"
#define BSP_UART1_RX_PIN "PA10" #define BSP_UART1_RX_PIN "PA10"
#define BSP_USING_UART2
#define BSP_UART2_TX_PIN "PA2"
#define BSP_UART2_RX_PIN "PA3"
#define BSP_UART2_TX_USING_DMA
#define BSP_UART2_RX_USING_DMA
/*-------------------------- UART CONFIG END --------------------------*/ /*-------------------------- UART CONFIG END --------------------------*/
/*-------------------------- I2C CONFIG BEGIN --------------------------*/ /*-------------------------- I2C CONFIG BEGIN --------------------------*/
rtconfig.h
+1
View File
@@ -106,6 +106,7 @@
#define RT_USING_DEVICE_IPC #define RT_USING_DEVICE_IPC
#define RT_USING_SERIAL #define RT_USING_SERIAL
#define RT_USING_SERIAL_V1 #define RT_USING_SERIAL_V1
#define RT_SERIAL_USING_DMA
#define RT_SERIAL_RB_BUFSZ 64 #define RT_SERIAL_RB_BUFSZ 64
#define RT_USING_PIN #define RT_USING_PIN
#define RT_USING_SDIO #define RT_USING_SDIO