sdio+fatfs创建
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/**
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******************************************************************************
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* @file startup_stm32f407xx.s
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* @author MCD Application Team
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* @brief STM32F407xx Devices vector table for GCC based toolchains.
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* This module performs:
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* - Set the initial SP
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* - Set the initial PC == Reset_Handler,
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* - Set the vector table entries with the exceptions ISR address
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* - Branches to main in the C library (which eventually
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* calls main()).
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* After Reset the Cortex-M4 processor is in Thread mode,
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* priority is Privileged, and the Stack is set to Main.
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******************************************************************************
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* @attention
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*
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* <h2><center>© COPYRIGHT 2017 STMicroelectronics</center></h2>
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. Neither the name of STMicroelectronics nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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******************************************************************************
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*/
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.syntax unified
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.cpu cortex-m4
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.fpu softvfp
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.thumb
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.global g_pfnVectors
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.global Default_Handler
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/* start address for the initialization values of the .data section.
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defined in linker script */
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.word _sidata
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/* start address for the .data section. defined in linker script */
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.word _sdata
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/* end address for the .data section. defined in linker script */
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.word _edata
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/* start address for the .bss section. defined in linker script */
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.word _sbss
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/* end address for the .bss section. defined in linker script */
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.word _ebss
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/* stack used for SystemInit_ExtMemCtl; always internal RAM used */
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/**
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* @brief This is the code that gets called when the processor first
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* starts execution following a reset event. Only the absolutely
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* necessary set is performed, after which the application
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* supplied main() routine is called.
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* @param None
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* @retval : None
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*/
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.section .text.Reset_Handler
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.weak Reset_Handler
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.type Reset_Handler, %function
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Reset_Handler:
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ldr sp, =_estack /* set stack pointer */
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/* Copy the data segment initializers from flash to SRAM */
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movs r1, #0
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b LoopCopyDataInit
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CopyDataInit:
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ldr r3, =_sidata
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ldr r3, [r3, r1]
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str r3, [r0, r1]
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adds r1, r1, #4
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LoopCopyDataInit:
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ldr r0, =_sdata
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ldr r3, =_edata
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adds r2, r0, r1
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cmp r2, r3
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bcc CopyDataInit
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ldr r2, =_sbss
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b LoopFillZerobss
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/* Zero fill the bss segment. */
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FillZerobss:
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movs r3, #0
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str r3, [r2], #4
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LoopFillZerobss:
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ldr r3, = _ebss
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cmp r2, r3
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bcc FillZerobss
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/* Call the clock system intitialization function.*/
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bl SystemInit
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/* Call static constructors */
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/* bl __libc_init_array */
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/* Call the application's entry point.*/
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bl entry
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bx lr
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.size Reset_Handler, .-Reset_Handler
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/**
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* @brief This is the code that gets called when the processor receives an
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* unexpected interrupt. This simply enters an infinite loop, preserving
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* the system state for examination by a debugger.
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* @param None
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* @retval None
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*/
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.section .text.Default_Handler,"ax",%progbits
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Default_Handler:
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Infinite_Loop:
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b Infinite_Loop
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.size Default_Handler, .-Default_Handler
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/******************************************************************************
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*
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* The minimal vector table for a Cortex M3. Note that the proper constructs
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* must be placed on this to ensure that it ends up at physical address
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* 0x0000.0000.
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*
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*******************************************************************************/
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.section .isr_vector,"a",%progbits
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.type g_pfnVectors, %object
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.size g_pfnVectors, .-g_pfnVectors
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g_pfnVectors:
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.word _estack
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.word Reset_Handler
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.word NMI_Handler
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.word HardFault_Handler
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.word MemManage_Handler
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.word BusFault_Handler
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.word UsageFault_Handler
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.word 0
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.word 0
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.word 0
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.word 0
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.word SVC_Handler
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.word DebugMon_Handler
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.word 0
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.word PendSV_Handler
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.word SysTick_Handler
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/* External Interrupts */
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.word WWDG_IRQHandler /* Window WatchDog */
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.word PVD_IRQHandler /* PVD through EXTI Line detection */
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.word TAMP_STAMP_IRQHandler /* Tamper and TimeStamps through the EXTI line */
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.word RTC_WKUP_IRQHandler /* RTC Wakeup through the EXTI line */
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.word FLASH_IRQHandler /* FLASH */
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.word RCC_IRQHandler /* RCC */
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.word EXTI0_IRQHandler /* EXTI Line0 */
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.word EXTI1_IRQHandler /* EXTI Line1 */
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.word EXTI2_IRQHandler /* EXTI Line2 */
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.word EXTI3_IRQHandler /* EXTI Line3 */
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.word EXTI4_IRQHandler /* EXTI Line4 */
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.word DMA1_Stream0_IRQHandler /* DMA1 Stream 0 */
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.word DMA1_Stream1_IRQHandler /* DMA1 Stream 1 */
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.word DMA1_Stream2_IRQHandler /* DMA1 Stream 2 */
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.word DMA1_Stream3_IRQHandler /* DMA1 Stream 3 */
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.word DMA1_Stream4_IRQHandler /* DMA1 Stream 4 */
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.word DMA1_Stream5_IRQHandler /* DMA1 Stream 5 */
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.word DMA1_Stream6_IRQHandler /* DMA1 Stream 6 */
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.word ADC_IRQHandler /* ADC1, ADC2 and ADC3s */
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.word CAN1_TX_IRQHandler /* CAN1 TX */
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.word CAN1_RX0_IRQHandler /* CAN1 RX0 */
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.word CAN1_RX1_IRQHandler /* CAN1 RX1 */
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.word CAN1_SCE_IRQHandler /* CAN1 SCE */
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.word EXTI9_5_IRQHandler /* External Line[9:5]s */
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.word TIM1_BRK_TIM9_IRQHandler /* TIM1 Break and TIM9 */
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.word TIM1_UP_TIM10_IRQHandler /* TIM1 Update and TIM10 */
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.word TIM1_TRG_COM_TIM11_IRQHandler /* TIM1 Trigger and Commutation and TIM11 */
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.word TIM1_CC_IRQHandler /* TIM1 Capture Compare */
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.word TIM2_IRQHandler /* TIM2 */
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.word TIM3_IRQHandler /* TIM3 */
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.word TIM4_IRQHandler /* TIM4 */
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.word I2C1_EV_IRQHandler /* I2C1 Event */
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.word I2C1_ER_IRQHandler /* I2C1 Error */
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.word I2C2_EV_IRQHandler /* I2C2 Event */
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.word I2C2_ER_IRQHandler /* I2C2 Error */
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.word SPI1_IRQHandler /* SPI1 */
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.word SPI2_IRQHandler /* SPI2 */
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.word USART1_IRQHandler /* USART1 */
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.word USART2_IRQHandler /* USART2 */
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.word USART3_IRQHandler /* USART3 */
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.word EXTI15_10_IRQHandler /* External Line[15:10]s */
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.word RTC_Alarm_IRQHandler /* RTC Alarm (A and B) through EXTI Line */
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.word OTG_FS_WKUP_IRQHandler /* USB OTG FS Wakeup through EXTI line */
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.word TIM8_BRK_TIM12_IRQHandler /* TIM8 Break and TIM12 */
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.word TIM8_UP_TIM13_IRQHandler /* TIM8 Update and TIM13 */
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.word TIM8_TRG_COM_TIM14_IRQHandler /* TIM8 Trigger and Commutation and TIM14 */
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.word TIM8_CC_IRQHandler /* TIM8 Capture Compare */
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.word DMA1_Stream7_IRQHandler /* DMA1 Stream7 */
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.word FSMC_IRQHandler /* FSMC */
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.word SDIO_IRQHandler /* SDIO */
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.word TIM5_IRQHandler /* TIM5 */
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.word SPI3_IRQHandler /* SPI3 */
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.word UART4_IRQHandler /* UART4 */
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.word UART5_IRQHandler /* UART5 */
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.word TIM6_DAC_IRQHandler /* TIM6 and DAC1&2 underrun errors */
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.word TIM7_IRQHandler /* TIM7 */
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.word DMA2_Stream0_IRQHandler /* DMA2 Stream 0 */
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.word DMA2_Stream1_IRQHandler /* DMA2 Stream 1 */
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.word DMA2_Stream2_IRQHandler /* DMA2 Stream 2 */
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.word DMA2_Stream3_IRQHandler /* DMA2 Stream 3 */
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.word DMA2_Stream4_IRQHandler /* DMA2 Stream 4 */
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.word ETH_IRQHandler /* Ethernet */
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.word ETH_WKUP_IRQHandler /* Ethernet Wakeup through EXTI line */
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.word CAN2_TX_IRQHandler /* CAN2 TX */
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.word CAN2_RX0_IRQHandler /* CAN2 RX0 */
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.word CAN2_RX1_IRQHandler /* CAN2 RX1 */
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.word CAN2_SCE_IRQHandler /* CAN2 SCE */
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.word OTG_FS_IRQHandler /* USB OTG FS */
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.word DMA2_Stream5_IRQHandler /* DMA2 Stream 5 */
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.word DMA2_Stream6_IRQHandler /* DMA2 Stream 6 */
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.word DMA2_Stream7_IRQHandler /* DMA2 Stream 7 */
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.word USART6_IRQHandler /* USART6 */
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.word I2C3_EV_IRQHandler /* I2C3 event */
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.word I2C3_ER_IRQHandler /* I2C3 error */
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.word OTG_HS_EP1_OUT_IRQHandler /* USB OTG HS End Point 1 Out */
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.word OTG_HS_EP1_IN_IRQHandler /* USB OTG HS End Point 1 In */
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.word OTG_HS_WKUP_IRQHandler /* USB OTG HS Wakeup through EXTI */
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.word OTG_HS_IRQHandler /* USB OTG HS */
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.word DCMI_IRQHandler /* DCMI */
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.word 0 /* CRYP crypto */
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.word HASH_RNG_IRQHandler /* Hash and Rng */
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.word FPU_IRQHandler /* FPU */
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/*******************************************************************************
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*
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* Provide weak aliases for each Exception handler to the Default_Handler.
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* As they are weak aliases, any function with the same name will override
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* this definition.
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*
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*******************************************************************************/
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.weak NMI_Handler
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.thumb_set NMI_Handler,Default_Handler
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.weak HardFault_Handler
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.thumb_set HardFault_Handler,Default_Handler
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.weak MemManage_Handler
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.thumb_set MemManage_Handler,Default_Handler
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.weak BusFault_Handler
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.thumb_set BusFault_Handler,Default_Handler
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.weak UsageFault_Handler
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.thumb_set UsageFault_Handler,Default_Handler
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.weak SVC_Handler
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.thumb_set SVC_Handler,Default_Handler
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.weak DebugMon_Handler
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.thumb_set DebugMon_Handler,Default_Handler
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.weak PendSV_Handler
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.thumb_set PendSV_Handler,Default_Handler
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.weak SysTick_Handler
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.thumb_set SysTick_Handler,Default_Handler
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.weak WWDG_IRQHandler
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.thumb_set WWDG_IRQHandler,Default_Handler
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.weak PVD_IRQHandler
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.thumb_set PVD_IRQHandler,Default_Handler
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.weak TAMP_STAMP_IRQHandler
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.thumb_set TAMP_STAMP_IRQHandler,Default_Handler
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.weak RTC_WKUP_IRQHandler
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.thumb_set RTC_WKUP_IRQHandler,Default_Handler
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.weak FLASH_IRQHandler
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.thumb_set FLASH_IRQHandler,Default_Handler
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.weak RCC_IRQHandler
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.thumb_set RCC_IRQHandler,Default_Handler
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.weak EXTI0_IRQHandler
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.thumb_set EXTI0_IRQHandler,Default_Handler
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.weak EXTI1_IRQHandler
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.thumb_set EXTI1_IRQHandler,Default_Handler
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.weak EXTI2_IRQHandler
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.thumb_set EXTI2_IRQHandler,Default_Handler
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.weak EXTI3_IRQHandler
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.thumb_set EXTI3_IRQHandler,Default_Handler
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.weak EXTI4_IRQHandler
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.thumb_set EXTI4_IRQHandler,Default_Handler
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.weak DMA1_Stream0_IRQHandler
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.thumb_set DMA1_Stream0_IRQHandler,Default_Handler
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.weak DMA1_Stream1_IRQHandler
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.thumb_set DMA1_Stream1_IRQHandler,Default_Handler
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.weak DMA1_Stream2_IRQHandler
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.thumb_set DMA1_Stream2_IRQHandler,Default_Handler
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.weak DMA1_Stream3_IRQHandler
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.thumb_set DMA1_Stream3_IRQHandler,Default_Handler
|
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.weak DMA1_Stream4_IRQHandler
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.thumb_set DMA1_Stream4_IRQHandler,Default_Handler
|
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.weak DMA1_Stream5_IRQHandler
|
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.thumb_set DMA1_Stream5_IRQHandler,Default_Handler
|
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.weak DMA1_Stream6_IRQHandler
|
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.thumb_set DMA1_Stream6_IRQHandler,Default_Handler
|
||||
|
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.weak ADC_IRQHandler
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.thumb_set ADC_IRQHandler,Default_Handler
|
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|
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.weak CAN1_TX_IRQHandler
|
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.thumb_set CAN1_TX_IRQHandler,Default_Handler
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|
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.weak CAN1_RX0_IRQHandler
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.thumb_set CAN1_RX0_IRQHandler,Default_Handler
|
||||
|
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.weak CAN1_RX1_IRQHandler
|
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.thumb_set CAN1_RX1_IRQHandler,Default_Handler
|
||||
|
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.weak CAN1_SCE_IRQHandler
|
||||
.thumb_set CAN1_SCE_IRQHandler,Default_Handler
|
||||
|
||||
.weak EXTI9_5_IRQHandler
|
||||
.thumb_set EXTI9_5_IRQHandler,Default_Handler
|
||||
|
||||
.weak TIM1_BRK_TIM9_IRQHandler
|
||||
.thumb_set TIM1_BRK_TIM9_IRQHandler,Default_Handler
|
||||
|
||||
.weak TIM1_UP_TIM10_IRQHandler
|
||||
.thumb_set TIM1_UP_TIM10_IRQHandler,Default_Handler
|
||||
|
||||
.weak TIM1_TRG_COM_TIM11_IRQHandler
|
||||
.thumb_set TIM1_TRG_COM_TIM11_IRQHandler,Default_Handler
|
||||
|
||||
.weak TIM1_CC_IRQHandler
|
||||
.thumb_set TIM1_CC_IRQHandler,Default_Handler
|
||||
|
||||
.weak TIM2_IRQHandler
|
||||
.thumb_set TIM2_IRQHandler,Default_Handler
|
||||
|
||||
.weak TIM3_IRQHandler
|
||||
.thumb_set TIM3_IRQHandler,Default_Handler
|
||||
|
||||
.weak TIM4_IRQHandler
|
||||
.thumb_set TIM4_IRQHandler,Default_Handler
|
||||
|
||||
.weak I2C1_EV_IRQHandler
|
||||
.thumb_set I2C1_EV_IRQHandler,Default_Handler
|
||||
|
||||
.weak I2C1_ER_IRQHandler
|
||||
.thumb_set I2C1_ER_IRQHandler,Default_Handler
|
||||
|
||||
.weak I2C2_EV_IRQHandler
|
||||
.thumb_set I2C2_EV_IRQHandler,Default_Handler
|
||||
|
||||
.weak I2C2_ER_IRQHandler
|
||||
.thumb_set I2C2_ER_IRQHandler,Default_Handler
|
||||
|
||||
.weak SPI1_IRQHandler
|
||||
.thumb_set SPI1_IRQHandler,Default_Handler
|
||||
|
||||
.weak SPI2_IRQHandler
|
||||
.thumb_set SPI2_IRQHandler,Default_Handler
|
||||
|
||||
.weak USART1_IRQHandler
|
||||
.thumb_set USART1_IRQHandler,Default_Handler
|
||||
|
||||
.weak USART2_IRQHandler
|
||||
.thumb_set USART2_IRQHandler,Default_Handler
|
||||
|
||||
.weak USART3_IRQHandler
|
||||
.thumb_set USART3_IRQHandler,Default_Handler
|
||||
|
||||
.weak EXTI15_10_IRQHandler
|
||||
.thumb_set EXTI15_10_IRQHandler,Default_Handler
|
||||
|
||||
.weak RTC_Alarm_IRQHandler
|
||||
.thumb_set RTC_Alarm_IRQHandler,Default_Handler
|
||||
|
||||
.weak OTG_FS_WKUP_IRQHandler
|
||||
.thumb_set OTG_FS_WKUP_IRQHandler,Default_Handler
|
||||
|
||||
.weak TIM8_BRK_TIM12_IRQHandler
|
||||
.thumb_set TIM8_BRK_TIM12_IRQHandler,Default_Handler
|
||||
|
||||
.weak TIM8_UP_TIM13_IRQHandler
|
||||
.thumb_set TIM8_UP_TIM13_IRQHandler,Default_Handler
|
||||
|
||||
.weak TIM8_TRG_COM_TIM14_IRQHandler
|
||||
.thumb_set TIM8_TRG_COM_TIM14_IRQHandler,Default_Handler
|
||||
|
||||
.weak TIM8_CC_IRQHandler
|
||||
.thumb_set TIM8_CC_IRQHandler,Default_Handler
|
||||
|
||||
.weak DMA1_Stream7_IRQHandler
|
||||
.thumb_set DMA1_Stream7_IRQHandler,Default_Handler
|
||||
|
||||
.weak FSMC_IRQHandler
|
||||
.thumb_set FSMC_IRQHandler,Default_Handler
|
||||
|
||||
.weak SDIO_IRQHandler
|
||||
.thumb_set SDIO_IRQHandler,Default_Handler
|
||||
|
||||
.weak TIM5_IRQHandler
|
||||
.thumb_set TIM5_IRQHandler,Default_Handler
|
||||
|
||||
.weak SPI3_IRQHandler
|
||||
.thumb_set SPI3_IRQHandler,Default_Handler
|
||||
|
||||
.weak UART4_IRQHandler
|
||||
.thumb_set UART4_IRQHandler,Default_Handler
|
||||
|
||||
.weak UART5_IRQHandler
|
||||
.thumb_set UART5_IRQHandler,Default_Handler
|
||||
|
||||
.weak TIM6_DAC_IRQHandler
|
||||
.thumb_set TIM6_DAC_IRQHandler,Default_Handler
|
||||
|
||||
.weak TIM7_IRQHandler
|
||||
.thumb_set TIM7_IRQHandler,Default_Handler
|
||||
|
||||
.weak DMA2_Stream0_IRQHandler
|
||||
.thumb_set DMA2_Stream0_IRQHandler,Default_Handler
|
||||
|
||||
.weak DMA2_Stream1_IRQHandler
|
||||
.thumb_set DMA2_Stream1_IRQHandler,Default_Handler
|
||||
|
||||
.weak DMA2_Stream2_IRQHandler
|
||||
.thumb_set DMA2_Stream2_IRQHandler,Default_Handler
|
||||
|
||||
.weak DMA2_Stream3_IRQHandler
|
||||
.thumb_set DMA2_Stream3_IRQHandler,Default_Handler
|
||||
|
||||
.weak DMA2_Stream4_IRQHandler
|
||||
.thumb_set DMA2_Stream4_IRQHandler,Default_Handler
|
||||
|
||||
.weak ETH_IRQHandler
|
||||
.thumb_set ETH_IRQHandler,Default_Handler
|
||||
|
||||
.weak ETH_WKUP_IRQHandler
|
||||
.thumb_set ETH_WKUP_IRQHandler,Default_Handler
|
||||
|
||||
.weak CAN2_TX_IRQHandler
|
||||
.thumb_set CAN2_TX_IRQHandler,Default_Handler
|
||||
|
||||
.weak CAN2_RX0_IRQHandler
|
||||
.thumb_set CAN2_RX0_IRQHandler,Default_Handler
|
||||
|
||||
.weak CAN2_RX1_IRQHandler
|
||||
.thumb_set CAN2_RX1_IRQHandler,Default_Handler
|
||||
|
||||
.weak CAN2_SCE_IRQHandler
|
||||
.thumb_set CAN2_SCE_IRQHandler,Default_Handler
|
||||
|
||||
.weak OTG_FS_IRQHandler
|
||||
.thumb_set OTG_FS_IRQHandler,Default_Handler
|
||||
|
||||
.weak DMA2_Stream5_IRQHandler
|
||||
.thumb_set DMA2_Stream5_IRQHandler,Default_Handler
|
||||
|
||||
.weak DMA2_Stream6_IRQHandler
|
||||
.thumb_set DMA2_Stream6_IRQHandler,Default_Handler
|
||||
|
||||
.weak DMA2_Stream7_IRQHandler
|
||||
.thumb_set DMA2_Stream7_IRQHandler,Default_Handler
|
||||
|
||||
.weak USART6_IRQHandler
|
||||
.thumb_set USART6_IRQHandler,Default_Handler
|
||||
|
||||
.weak I2C3_EV_IRQHandler
|
||||
.thumb_set I2C3_EV_IRQHandler,Default_Handler
|
||||
|
||||
.weak I2C3_ER_IRQHandler
|
||||
.thumb_set I2C3_ER_IRQHandler,Default_Handler
|
||||
|
||||
.weak OTG_HS_EP1_OUT_IRQHandler
|
||||
.thumb_set OTG_HS_EP1_OUT_IRQHandler,Default_Handler
|
||||
|
||||
.weak OTG_HS_EP1_IN_IRQHandler
|
||||
.thumb_set OTG_HS_EP1_IN_IRQHandler,Default_Handler
|
||||
|
||||
.weak OTG_HS_WKUP_IRQHandler
|
||||
.thumb_set OTG_HS_WKUP_IRQHandler,Default_Handler
|
||||
|
||||
.weak OTG_HS_IRQHandler
|
||||
.thumb_set OTG_HS_IRQHandler,Default_Handler
|
||||
|
||||
.weak DCMI_IRQHandler
|
||||
.thumb_set DCMI_IRQHandler,Default_Handler
|
||||
|
||||
.weak HASH_RNG_IRQHandler
|
||||
.thumb_set HASH_RNG_IRQHandler,Default_Handler
|
||||
|
||||
.weak FPU_IRQHandler
|
||||
.thumb_set FPU_IRQHandler,Default_Handler
|
||||
|
||||
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|
||||
@@ -0,0 +1,761 @@
|
||||
/**
|
||||
******************************************************************************
|
||||
* @file system_stm32f4xx.c
|
||||
* @author MCD Application Team
|
||||
* @brief CMSIS Cortex-M4 Device Peripheral Access Layer System Source File.
|
||||
*
|
||||
* This file provides two functions and one global variable to be called from
|
||||
* user application:
|
||||
* - SystemInit(): This function is called at startup just after reset and
|
||||
* before branch to main program. This call is made inside
|
||||
* the "startup_stm32f4xx.s" file.
|
||||
*
|
||||
* - SystemCoreClock variable: Contains the core clock (HCLK), it can be used
|
||||
* by the user application to setup the SysTick
|
||||
* timer or configure other parameters.
|
||||
*
|
||||
* - SystemCoreClockUpdate(): Updates the variable SystemCoreClock and must
|
||||
* be called whenever the core clock is changed
|
||||
* during program execution.
|
||||
*
|
||||
*
|
||||
******************************************************************************
|
||||
* @attention
|
||||
*
|
||||
* <h2><center>© COPYRIGHT 2017 STMicroelectronics</center></h2>
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without modification,
|
||||
* are permitted provided that the following conditions are met:
|
||||
* 1. Redistributions of source code must retain the above copyright notice,
|
||||
* this list of conditions and the following disclaimer.
|
||||
* 2. 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.
|
||||
* 3. Neither the name of STMicroelectronics nor the names of its contributors
|
||||
* may be used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* 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 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||||
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
||||
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
||||
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
||||
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*
|
||||
******************************************************************************
|
||||
*/
|
||||
|
||||
/** @addtogroup CMSIS
|
||||
* @{
|
||||
*/
|
||||
|
||||
/** @addtogroup stm32f4xx_system
|
||||
* @{
|
||||
*/
|
||||
|
||||
/** @addtogroup STM32F4xx_System_Private_Includes
|
||||
* @{
|
||||
*/
|
||||
|
||||
|
||||
#include "stm32f4xx.h"
|
||||
|
||||
#if !defined (HSE_VALUE)
|
||||
#define HSE_VALUE ((uint32_t)25000000) /*!< Default value of the External oscillator in Hz */
|
||||
#endif /* HSE_VALUE */
|
||||
|
||||
#if !defined (HSI_VALUE)
|
||||
#define HSI_VALUE ((uint32_t)16000000) /*!< Value of the Internal oscillator in Hz*/
|
||||
#endif /* HSI_VALUE */
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/** @addtogroup STM32F4xx_System_Private_TypesDefinitions
|
||||
* @{
|
||||
*/
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/** @addtogroup STM32F4xx_System_Private_Defines
|
||||
* @{
|
||||
*/
|
||||
|
||||
/************************* Miscellaneous Configuration ************************/
|
||||
/*!< Uncomment the following line if you need to use external SRAM or SDRAM as data memory */
|
||||
#if defined(STM32F405xx) || defined(STM32F415xx) || defined(STM32F407xx) || defined(STM32F417xx)\
|
||||
|| defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx)\
|
||||
|| defined(STM32F469xx) || defined(STM32F479xx) || defined(STM32F412Zx) || defined(STM32F412Vx)
|
||||
/* #define DATA_IN_ExtSRAM */
|
||||
#endif /* STM32F40xxx || STM32F41xxx || STM32F42xxx || STM32F43xxx || STM32F469xx || STM32F479xx ||\
|
||||
STM32F412Zx || STM32F412Vx */
|
||||
|
||||
#if defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx)\
|
||||
|| defined(STM32F446xx) || defined(STM32F469xx) || defined(STM32F479xx)
|
||||
/* #define DATA_IN_ExtSDRAM */
|
||||
#endif /* STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx || STM32F446xx || STM32F469xx ||\
|
||||
STM32F479xx */
|
||||
|
||||
/*!< Uncomment the following line if you need to relocate your vector Table in
|
||||
Internal SRAM. */
|
||||
/* #define VECT_TAB_SRAM */
|
||||
#define VECT_TAB_OFFSET 0x00 /*!< Vector Table base offset field.
|
||||
This value must be a multiple of 0x200. */
|
||||
/******************************************************************************/
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/** @addtogroup STM32F4xx_System_Private_Macros
|
||||
* @{
|
||||
*/
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/** @addtogroup STM32F4xx_System_Private_Variables
|
||||
* @{
|
||||
*/
|
||||
/* This variable is updated in three ways:
|
||||
1) by calling CMSIS function SystemCoreClockUpdate()
|
||||
2) by calling HAL API function HAL_RCC_GetHCLKFreq()
|
||||
3) each time HAL_RCC_ClockConfig() is called to configure the system clock frequency
|
||||
Note: If you use this function to configure the system clock; then there
|
||||
is no need to call the 2 first functions listed above, since SystemCoreClock
|
||||
variable is updated automatically.
|
||||
*/
|
||||
uint32_t SystemCoreClock = 16000000;
|
||||
const uint8_t AHBPrescTable[16] = {0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 6, 7, 8, 9};
|
||||
const uint8_t APBPrescTable[8] = {0, 0, 0, 0, 1, 2, 3, 4};
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/** @addtogroup STM32F4xx_System_Private_FunctionPrototypes
|
||||
* @{
|
||||
*/
|
||||
|
||||
#if defined (DATA_IN_ExtSRAM) || defined (DATA_IN_ExtSDRAM)
|
||||
static void SystemInit_ExtMemCtl(void);
|
||||
#endif /* DATA_IN_ExtSRAM || DATA_IN_ExtSDRAM */
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/** @addtogroup STM32F4xx_System_Private_Functions
|
||||
* @{
|
||||
*/
|
||||
|
||||
/**
|
||||
* @brief Setup the microcontroller system
|
||||
* Initialize the FPU setting, vector table location and External memory
|
||||
* configuration.
|
||||
* @param None
|
||||
* @retval None
|
||||
*/
|
||||
void SystemInit(void)
|
||||
{
|
||||
/* FPU settings ------------------------------------------------------------*/
|
||||
#if (__FPU_PRESENT == 1) && (__FPU_USED == 1)
|
||||
SCB->CPACR |= ((3UL << 10*2)|(3UL << 11*2)); /* set CP10 and CP11 Full Access */
|
||||
#endif
|
||||
/* Reset the RCC clock configuration to the default reset state ------------*/
|
||||
/* Set HSION bit */
|
||||
RCC->CR |= (uint32_t)0x00000001;
|
||||
|
||||
/* Reset CFGR register */
|
||||
RCC->CFGR = 0x00000000;
|
||||
|
||||
/* Reset HSEON, CSSON and PLLON bits */
|
||||
RCC->CR &= (uint32_t)0xFEF6FFFF;
|
||||
|
||||
/* Reset PLLCFGR register */
|
||||
RCC->PLLCFGR = 0x24003010;
|
||||
|
||||
/* Reset HSEBYP bit */
|
||||
RCC->CR &= (uint32_t)0xFFFBFFFF;
|
||||
|
||||
/* Disable all interrupts */
|
||||
RCC->CIR = 0x00000000;
|
||||
|
||||
#if defined (DATA_IN_ExtSRAM) || defined (DATA_IN_ExtSDRAM)
|
||||
SystemInit_ExtMemCtl();
|
||||
#endif /* DATA_IN_ExtSRAM || DATA_IN_ExtSDRAM */
|
||||
|
||||
/* Configure the Vector Table location add offset address ------------------*/
|
||||
#ifdef VECT_TAB_SRAM
|
||||
SCB->VTOR = SRAM_BASE | VECT_TAB_OFFSET; /* Vector Table Relocation in Internal SRAM */
|
||||
#else
|
||||
SCB->VTOR = FLASH_BASE | VECT_TAB_OFFSET; /* Vector Table Relocation in Internal FLASH */
|
||||
#endif
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Update SystemCoreClock variable according to Clock Register Values.
|
||||
* The SystemCoreClock variable contains the core clock (HCLK), it can
|
||||
* be used by the user application to setup the SysTick timer or configure
|
||||
* other parameters.
|
||||
*
|
||||
* @note Each time the core clock (HCLK) changes, this function must be called
|
||||
* to update SystemCoreClock variable value. Otherwise, any configuration
|
||||
* based on this variable will be incorrect.
|
||||
*
|
||||
* @note - The system frequency computed by this function is not the real
|
||||
* frequency in the chip. It is calculated based on the predefined
|
||||
* constant and the selected clock source:
|
||||
*
|
||||
* - If SYSCLK source is HSI, SystemCoreClock will contain the HSI_VALUE(*)
|
||||
*
|
||||
* - If SYSCLK source is HSE, SystemCoreClock will contain the HSE_VALUE(**)
|
||||
*
|
||||
* - If SYSCLK source is PLL, SystemCoreClock will contain the HSE_VALUE(**)
|
||||
* or HSI_VALUE(*) multiplied/divided by the PLL factors.
|
||||
*
|
||||
* (*) HSI_VALUE is a constant defined in stm32f4xx_hal_conf.h file (default value
|
||||
* 16 MHz) but the real value may vary depending on the variations
|
||||
* in voltage and temperature.
|
||||
*
|
||||
* (**) HSE_VALUE is a constant defined in stm32f4xx_hal_conf.h file (its value
|
||||
* depends on the application requirements), user has to ensure that HSE_VALUE
|
||||
* is same as the real frequency of the crystal used. Otherwise, this function
|
||||
* may have wrong result.
|
||||
*
|
||||
* - The result of this function could be not correct when using fractional
|
||||
* value for HSE crystal.
|
||||
*
|
||||
* @param None
|
||||
* @retval None
|
||||
*/
|
||||
void SystemCoreClockUpdate(void)
|
||||
{
|
||||
uint32_t tmp = 0, pllvco = 0, pllp = 2, pllsource = 0, pllm = 2;
|
||||
|
||||
/* Get SYSCLK source -------------------------------------------------------*/
|
||||
tmp = RCC->CFGR & RCC_CFGR_SWS;
|
||||
|
||||
switch (tmp)
|
||||
{
|
||||
case 0x00: /* HSI used as system clock source */
|
||||
SystemCoreClock = HSI_VALUE;
|
||||
break;
|
||||
case 0x04: /* HSE used as system clock source */
|
||||
SystemCoreClock = HSE_VALUE;
|
||||
break;
|
||||
case 0x08: /* PLL used as system clock source */
|
||||
|
||||
/* PLL_VCO = (HSE_VALUE or HSI_VALUE / PLL_M) * PLL_N
|
||||
SYSCLK = PLL_VCO / PLL_P
|
||||
*/
|
||||
pllsource = (RCC->PLLCFGR & RCC_PLLCFGR_PLLSRC) >> 22;
|
||||
pllm = RCC->PLLCFGR & RCC_PLLCFGR_PLLM;
|
||||
|
||||
if (pllsource != 0)
|
||||
{
|
||||
/* HSE used as PLL clock source */
|
||||
pllvco = (HSE_VALUE / pllm) * ((RCC->PLLCFGR & RCC_PLLCFGR_PLLN) >> 6);
|
||||
}
|
||||
else
|
||||
{
|
||||
/* HSI used as PLL clock source */
|
||||
pllvco = (HSI_VALUE / pllm) * ((RCC->PLLCFGR & RCC_PLLCFGR_PLLN) >> 6);
|
||||
}
|
||||
|
||||
pllp = (((RCC->PLLCFGR & RCC_PLLCFGR_PLLP) >>16) + 1 ) *2;
|
||||
SystemCoreClock = pllvco/pllp;
|
||||
break;
|
||||
default:
|
||||
SystemCoreClock = HSI_VALUE;
|
||||
break;
|
||||
}
|
||||
/* Compute HCLK frequency --------------------------------------------------*/
|
||||
/* Get HCLK prescaler */
|
||||
tmp = AHBPrescTable[((RCC->CFGR & RCC_CFGR_HPRE) >> 4)];
|
||||
/* HCLK frequency */
|
||||
SystemCoreClock >>= tmp;
|
||||
}
|
||||
|
||||
#if defined (DATA_IN_ExtSRAM) && defined (DATA_IN_ExtSDRAM)
|
||||
#if defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx)\
|
||||
|| defined(STM32F469xx) || defined(STM32F479xx)
|
||||
/**
|
||||
* @brief Setup the external memory controller.
|
||||
* Called in startup_stm32f4xx.s before jump to main.
|
||||
* This function configures the external memories (SRAM/SDRAM)
|
||||
* This SRAM/SDRAM will be used as program data memory (including heap and stack).
|
||||
* @param None
|
||||
* @retval None
|
||||
*/
|
||||
void SystemInit_ExtMemCtl(void)
|
||||
{
|
||||
__IO uint32_t tmp = 0x00;
|
||||
|
||||
register uint32_t tmpreg = 0, timeout = 0xFFFF;
|
||||
register __IO uint32_t index;
|
||||
|
||||
/* Enable GPIOC, GPIOD, GPIOE, GPIOF, GPIOG, GPIOH and GPIOI interface clock */
|
||||
RCC->AHB1ENR |= 0x000001F8;
|
||||
|
||||
/* Delay after an RCC peripheral clock enabling */
|
||||
tmp = READ_BIT(RCC->AHB1ENR, RCC_AHB1ENR_GPIOCEN);
|
||||
|
||||
/* Connect PDx pins to FMC Alternate function */
|
||||
GPIOD->AFR[0] = 0x00CCC0CC;
|
||||
GPIOD->AFR[1] = 0xCCCCCCCC;
|
||||
/* Configure PDx pins in Alternate function mode */
|
||||
GPIOD->MODER = 0xAAAA0A8A;
|
||||
/* Configure PDx pins speed to 100 MHz */
|
||||
GPIOD->OSPEEDR = 0xFFFF0FCF;
|
||||
/* Configure PDx pins Output type to push-pull */
|
||||
GPIOD->OTYPER = 0x00000000;
|
||||
/* No pull-up, pull-down for PDx pins */
|
||||
GPIOD->PUPDR = 0x00000000;
|
||||
|
||||
/* Connect PEx pins to FMC Alternate function */
|
||||
GPIOE->AFR[0] = 0xC00CC0CC;
|
||||
GPIOE->AFR[1] = 0xCCCCCCCC;
|
||||
/* Configure PEx pins in Alternate function mode */
|
||||
GPIOE->MODER = 0xAAAA828A;
|
||||
/* Configure PEx pins speed to 100 MHz */
|
||||
GPIOE->OSPEEDR = 0xFFFFC3CF;
|
||||
/* Configure PEx pins Output type to push-pull */
|
||||
GPIOE->OTYPER = 0x00000000;
|
||||
/* No pull-up, pull-down for PEx pins */
|
||||
GPIOE->PUPDR = 0x00000000;
|
||||
|
||||
/* Connect PFx pins to FMC Alternate function */
|
||||
GPIOF->AFR[0] = 0xCCCCCCCC;
|
||||
GPIOF->AFR[1] = 0xCCCCCCCC;
|
||||
/* Configure PFx pins in Alternate function mode */
|
||||
GPIOF->MODER = 0xAA800AAA;
|
||||
/* Configure PFx pins speed to 50 MHz */
|
||||
GPIOF->OSPEEDR = 0xAA800AAA;
|
||||
/* Configure PFx pins Output type to push-pull */
|
||||
GPIOF->OTYPER = 0x00000000;
|
||||
/* No pull-up, pull-down for PFx pins */
|
||||
GPIOF->PUPDR = 0x00000000;
|
||||
|
||||
/* Connect PGx pins to FMC Alternate function */
|
||||
GPIOG->AFR[0] = 0xCCCCCCCC;
|
||||
GPIOG->AFR[1] = 0xCCCCCCCC;
|
||||
/* Configure PGx pins in Alternate function mode */
|
||||
GPIOG->MODER = 0xAAAAAAAA;
|
||||
/* Configure PGx pins speed to 50 MHz */
|
||||
GPIOG->OSPEEDR = 0xAAAAAAAA;
|
||||
/* Configure PGx pins Output type to push-pull */
|
||||
GPIOG->OTYPER = 0x00000000;
|
||||
/* No pull-up, pull-down for PGx pins */
|
||||
GPIOG->PUPDR = 0x00000000;
|
||||
|
||||
/* Connect PHx pins to FMC Alternate function */
|
||||
GPIOH->AFR[0] = 0x00C0CC00;
|
||||
GPIOH->AFR[1] = 0xCCCCCCCC;
|
||||
/* Configure PHx pins in Alternate function mode */
|
||||
GPIOH->MODER = 0xAAAA08A0;
|
||||
/* Configure PHx pins speed to 50 MHz */
|
||||
GPIOH->OSPEEDR = 0xAAAA08A0;
|
||||
/* Configure PHx pins Output type to push-pull */
|
||||
GPIOH->OTYPER = 0x00000000;
|
||||
/* No pull-up, pull-down for PHx pins */
|
||||
GPIOH->PUPDR = 0x00000000;
|
||||
|
||||
/* Connect PIx pins to FMC Alternate function */
|
||||
GPIOI->AFR[0] = 0xCCCCCCCC;
|
||||
GPIOI->AFR[1] = 0x00000CC0;
|
||||
/* Configure PIx pins in Alternate function mode */
|
||||
GPIOI->MODER = 0x0028AAAA;
|
||||
/* Configure PIx pins speed to 50 MHz */
|
||||
GPIOI->OSPEEDR = 0x0028AAAA;
|
||||
/* Configure PIx pins Output type to push-pull */
|
||||
GPIOI->OTYPER = 0x00000000;
|
||||
/* No pull-up, pull-down for PIx pins */
|
||||
GPIOI->PUPDR = 0x00000000;
|
||||
|
||||
/*-- FMC Configuration -------------------------------------------------------*/
|
||||
/* Enable the FMC interface clock */
|
||||
RCC->AHB3ENR |= 0x00000001;
|
||||
/* Delay after an RCC peripheral clock enabling */
|
||||
tmp = READ_BIT(RCC->AHB3ENR, RCC_AHB3ENR_FMCEN);
|
||||
|
||||
FMC_Bank5_6->SDCR[0] = 0x000019E4;
|
||||
FMC_Bank5_6->SDTR[0] = 0x01115351;
|
||||
|
||||
/* SDRAM initialization sequence */
|
||||
/* Clock enable command */
|
||||
FMC_Bank5_6->SDCMR = 0x00000011;
|
||||
tmpreg = FMC_Bank5_6->SDSR & 0x00000020;
|
||||
while((tmpreg != 0) && (timeout-- > 0))
|
||||
{
|
||||
tmpreg = FMC_Bank5_6->SDSR & 0x00000020;
|
||||
}
|
||||
|
||||
/* Delay */
|
||||
for (index = 0; index<1000; index++);
|
||||
|
||||
/* PALL command */
|
||||
FMC_Bank5_6->SDCMR = 0x00000012;
|
||||
timeout = 0xFFFF;
|
||||
while((tmpreg != 0) && (timeout-- > 0))
|
||||
{
|
||||
tmpreg = FMC_Bank5_6->SDSR & 0x00000020;
|
||||
}
|
||||
|
||||
/* Auto refresh command */
|
||||
FMC_Bank5_6->SDCMR = 0x00000073;
|
||||
timeout = 0xFFFF;
|
||||
while((tmpreg != 0) && (timeout-- > 0))
|
||||
{
|
||||
tmpreg = FMC_Bank5_6->SDSR & 0x00000020;
|
||||
}
|
||||
|
||||
/* MRD register program */
|
||||
FMC_Bank5_6->SDCMR = 0x00046014;
|
||||
timeout = 0xFFFF;
|
||||
while((tmpreg != 0) && (timeout-- > 0))
|
||||
{
|
||||
tmpreg = FMC_Bank5_6->SDSR & 0x00000020;
|
||||
}
|
||||
|
||||
/* Set refresh count */
|
||||
tmpreg = FMC_Bank5_6->SDRTR;
|
||||
FMC_Bank5_6->SDRTR = (tmpreg | (0x0000027C<<1));
|
||||
|
||||
/* Disable write protection */
|
||||
tmpreg = FMC_Bank5_6->SDCR[0];
|
||||
FMC_Bank5_6->SDCR[0] = (tmpreg & 0xFFFFFDFF);
|
||||
|
||||
#if defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx)
|
||||
/* Configure and enable Bank1_SRAM2 */
|
||||
FMC_Bank1->BTCR[2] = 0x00001011;
|
||||
FMC_Bank1->BTCR[3] = 0x00000201;
|
||||
FMC_Bank1E->BWTR[2] = 0x0fffffff;
|
||||
#endif /* STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx */
|
||||
#if defined(STM32F469xx) || defined(STM32F479xx)
|
||||
/* Configure and enable Bank1_SRAM2 */
|
||||
FMC_Bank1->BTCR[2] = 0x00001091;
|
||||
FMC_Bank1->BTCR[3] = 0x00110212;
|
||||
FMC_Bank1E->BWTR[2] = 0x0fffffff;
|
||||
#endif /* STM32F469xx || STM32F479xx */
|
||||
|
||||
(void)(tmp);
|
||||
}
|
||||
#endif /* STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx || STM32F469xx || STM32F479xx */
|
||||
#elif defined (DATA_IN_ExtSRAM) || defined (DATA_IN_ExtSDRAM)
|
||||
/**
|
||||
* @brief Setup the external memory controller.
|
||||
* Called in startup_stm32f4xx.s before jump to main.
|
||||
* This function configures the external memories (SRAM/SDRAM)
|
||||
* This SRAM/SDRAM will be used as program data memory (including heap and stack).
|
||||
* @param None
|
||||
* @retval None
|
||||
*/
|
||||
void SystemInit_ExtMemCtl(void)
|
||||
{
|
||||
__IO uint32_t tmp = 0x00;
|
||||
#if defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx)\
|
||||
|| defined(STM32F446xx) || defined(STM32F469xx) || defined(STM32F479xx)
|
||||
#if defined (DATA_IN_ExtSDRAM)
|
||||
register uint32_t tmpreg = 0, timeout = 0xFFFF;
|
||||
register __IO uint32_t index;
|
||||
|
||||
#if defined(STM32F446xx)
|
||||
/* Enable GPIOA, GPIOC, GPIOD, GPIOE, GPIOF, GPIOG interface
|
||||
clock */
|
||||
RCC->AHB1ENR |= 0x0000007D;
|
||||
#else
|
||||
/* Enable GPIOC, GPIOD, GPIOE, GPIOF, GPIOG, GPIOH and GPIOI interface
|
||||
clock */
|
||||
RCC->AHB1ENR |= 0x000001F8;
|
||||
#endif /* STM32F446xx */
|
||||
/* Delay after an RCC peripheral clock enabling */
|
||||
tmp = READ_BIT(RCC->AHB1ENR, RCC_AHB1ENR_GPIOCEN);
|
||||
|
||||
#if defined(STM32F446xx)
|
||||
/* Connect PAx pins to FMC Alternate function */
|
||||
GPIOA->AFR[0] |= 0xC0000000;
|
||||
GPIOA->AFR[1] |= 0x00000000;
|
||||
/* Configure PDx pins in Alternate function mode */
|
||||
GPIOA->MODER |= 0x00008000;
|
||||
/* Configure PDx pins speed to 50 MHz */
|
||||
GPIOA->OSPEEDR |= 0x00008000;
|
||||
/* Configure PDx pins Output type to push-pull */
|
||||
GPIOA->OTYPER |= 0x00000000;
|
||||
/* No pull-up, pull-down for PDx pins */
|
||||
GPIOA->PUPDR |= 0x00000000;
|
||||
|
||||
/* Connect PCx pins to FMC Alternate function */
|
||||
GPIOC->AFR[0] |= 0x00CC0000;
|
||||
GPIOC->AFR[1] |= 0x00000000;
|
||||
/* Configure PDx pins in Alternate function mode */
|
||||
GPIOC->MODER |= 0x00000A00;
|
||||
/* Configure PDx pins speed to 50 MHz */
|
||||
GPIOC->OSPEEDR |= 0x00000A00;
|
||||
/* Configure PDx pins Output type to push-pull */
|
||||
GPIOC->OTYPER |= 0x00000000;
|
||||
/* No pull-up, pull-down for PDx pins */
|
||||
GPIOC->PUPDR |= 0x00000000;
|
||||
#endif /* STM32F446xx */
|
||||
|
||||
/* Connect PDx pins to FMC Alternate function */
|
||||
GPIOD->AFR[0] = 0x000000CC;
|
||||
GPIOD->AFR[1] = 0xCC000CCC;
|
||||
/* Configure PDx pins in Alternate function mode */
|
||||
GPIOD->MODER = 0xA02A000A;
|
||||
/* Configure PDx pins speed to 50 MHz */
|
||||
GPIOD->OSPEEDR = 0xA02A000A;
|
||||
/* Configure PDx pins Output type to push-pull */
|
||||
GPIOD->OTYPER = 0x00000000;
|
||||
/* No pull-up, pull-down for PDx pins */
|
||||
GPIOD->PUPDR = 0x00000000;
|
||||
|
||||
/* Connect PEx pins to FMC Alternate function */
|
||||
GPIOE->AFR[0] = 0xC00000CC;
|
||||
GPIOE->AFR[1] = 0xCCCCCCCC;
|
||||
/* Configure PEx pins in Alternate function mode */
|
||||
GPIOE->MODER = 0xAAAA800A;
|
||||
/* Configure PEx pins speed to 50 MHz */
|
||||
GPIOE->OSPEEDR = 0xAAAA800A;
|
||||
/* Configure PEx pins Output type to push-pull */
|
||||
GPIOE->OTYPER = 0x00000000;
|
||||
/* No pull-up, pull-down for PEx pins */
|
||||
GPIOE->PUPDR = 0x00000000;
|
||||
|
||||
/* Connect PFx pins to FMC Alternate function */
|
||||
GPIOF->AFR[0] = 0xCCCCCCCC;
|
||||
GPIOF->AFR[1] = 0xCCCCCCCC;
|
||||
/* Configure PFx pins in Alternate function mode */
|
||||
GPIOF->MODER = 0xAA800AAA;
|
||||
/* Configure PFx pins speed to 50 MHz */
|
||||
GPIOF->OSPEEDR = 0xAA800AAA;
|
||||
/* Configure PFx pins Output type to push-pull */
|
||||
GPIOF->OTYPER = 0x00000000;
|
||||
/* No pull-up, pull-down for PFx pins */
|
||||
GPIOF->PUPDR = 0x00000000;
|
||||
|
||||
/* Connect PGx pins to FMC Alternate function */
|
||||
GPIOG->AFR[0] = 0xCCCCCCCC;
|
||||
GPIOG->AFR[1] = 0xCCCCCCCC;
|
||||
/* Configure PGx pins in Alternate function mode */
|
||||
GPIOG->MODER = 0xAAAAAAAA;
|
||||
/* Configure PGx pins speed to 50 MHz */
|
||||
GPIOG->OSPEEDR = 0xAAAAAAAA;
|
||||
/* Configure PGx pins Output type to push-pull */
|
||||
GPIOG->OTYPER = 0x00000000;
|
||||
/* No pull-up, pull-down for PGx pins */
|
||||
GPIOG->PUPDR = 0x00000000;
|
||||
|
||||
#if defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx)\
|
||||
|| defined(STM32F469xx) || defined(STM32F479xx)
|
||||
/* Connect PHx pins to FMC Alternate function */
|
||||
GPIOH->AFR[0] = 0x00C0CC00;
|
||||
GPIOH->AFR[1] = 0xCCCCCCCC;
|
||||
/* Configure PHx pins in Alternate function mode */
|
||||
GPIOH->MODER = 0xAAAA08A0;
|
||||
/* Configure PHx pins speed to 50 MHz */
|
||||
GPIOH->OSPEEDR = 0xAAAA08A0;
|
||||
/* Configure PHx pins Output type to push-pull */
|
||||
GPIOH->OTYPER = 0x00000000;
|
||||
/* No pull-up, pull-down for PHx pins */
|
||||
GPIOH->PUPDR = 0x00000000;
|
||||
|
||||
/* Connect PIx pins to FMC Alternate function */
|
||||
GPIOI->AFR[0] = 0xCCCCCCCC;
|
||||
GPIOI->AFR[1] = 0x00000CC0;
|
||||
/* Configure PIx pins in Alternate function mode */
|
||||
GPIOI->MODER = 0x0028AAAA;
|
||||
/* Configure PIx pins speed to 50 MHz */
|
||||
GPIOI->OSPEEDR = 0x0028AAAA;
|
||||
/* Configure PIx pins Output type to push-pull */
|
||||
GPIOI->OTYPER = 0x00000000;
|
||||
/* No pull-up, pull-down for PIx pins */
|
||||
GPIOI->PUPDR = 0x00000000;
|
||||
#endif /* STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx || STM32F469xx || STM32F479xx */
|
||||
|
||||
/*-- FMC Configuration -------------------------------------------------------*/
|
||||
/* Enable the FMC interface clock */
|
||||
RCC->AHB3ENR |= 0x00000001;
|
||||
/* Delay after an RCC peripheral clock enabling */
|
||||
tmp = READ_BIT(RCC->AHB3ENR, RCC_AHB3ENR_FMCEN);
|
||||
|
||||
/* Configure and enable SDRAM bank1 */
|
||||
#if defined(STM32F446xx)
|
||||
FMC_Bank5_6->SDCR[0] = 0x00001954;
|
||||
#else
|
||||
FMC_Bank5_6->SDCR[0] = 0x000019E4;
|
||||
#endif /* STM32F446xx */
|
||||
FMC_Bank5_6->SDTR[0] = 0x01115351;
|
||||
|
||||
/* SDRAM initialization sequence */
|
||||
/* Clock enable command */
|
||||
FMC_Bank5_6->SDCMR = 0x00000011;
|
||||
tmpreg = FMC_Bank5_6->SDSR & 0x00000020;
|
||||
while((tmpreg != 0) && (timeout-- > 0))
|
||||
{
|
||||
tmpreg = FMC_Bank5_6->SDSR & 0x00000020;
|
||||
}
|
||||
|
||||
/* Delay */
|
||||
for (index = 0; index<1000; index++);
|
||||
|
||||
/* PALL command */
|
||||
FMC_Bank5_6->SDCMR = 0x00000012;
|
||||
timeout = 0xFFFF;
|
||||
while((tmpreg != 0) && (timeout-- > 0))
|
||||
{
|
||||
tmpreg = FMC_Bank5_6->SDSR & 0x00000020;
|
||||
}
|
||||
|
||||
/* Auto refresh command */
|
||||
#if defined(STM32F446xx)
|
||||
FMC_Bank5_6->SDCMR = 0x000000F3;
|
||||
#else
|
||||
FMC_Bank5_6->SDCMR = 0x00000073;
|
||||
#endif /* STM32F446xx */
|
||||
timeout = 0xFFFF;
|
||||
while((tmpreg != 0) && (timeout-- > 0))
|
||||
{
|
||||
tmpreg = FMC_Bank5_6->SDSR & 0x00000020;
|
||||
}
|
||||
|
||||
/* MRD register program */
|
||||
#if defined(STM32F446xx)
|
||||
FMC_Bank5_6->SDCMR = 0x00044014;
|
||||
#else
|
||||
FMC_Bank5_6->SDCMR = 0x00046014;
|
||||
#endif /* STM32F446xx */
|
||||
timeout = 0xFFFF;
|
||||
while((tmpreg != 0) && (timeout-- > 0))
|
||||
{
|
||||
tmpreg = FMC_Bank5_6->SDSR & 0x00000020;
|
||||
}
|
||||
|
||||
/* Set refresh count */
|
||||
tmpreg = FMC_Bank5_6->SDRTR;
|
||||
#if defined(STM32F446xx)
|
||||
FMC_Bank5_6->SDRTR = (tmpreg | (0x0000050C<<1));
|
||||
#else
|
||||
FMC_Bank5_6->SDRTR = (tmpreg | (0x0000027C<<1));
|
||||
#endif /* STM32F446xx */
|
||||
|
||||
/* Disable write protection */
|
||||
tmpreg = FMC_Bank5_6->SDCR[0];
|
||||
FMC_Bank5_6->SDCR[0] = (tmpreg & 0xFFFFFDFF);
|
||||
#endif /* DATA_IN_ExtSDRAM */
|
||||
#endif /* STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx || STM32F446xx || STM32F469xx || STM32F479xx */
|
||||
|
||||
#if defined(STM32F405xx) || defined(STM32F415xx) || defined(STM32F407xx) || defined(STM32F417xx)\
|
||||
|| defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx)\
|
||||
|| defined(STM32F469xx) || defined(STM32F479xx) || defined(STM32F412Zx) || defined(STM32F412Vx)
|
||||
|
||||
#if defined(DATA_IN_ExtSRAM)
|
||||
/*-- GPIOs Configuration -----------------------------------------------------*/
|
||||
/* Enable GPIOD, GPIOE, GPIOF and GPIOG interface clock */
|
||||
RCC->AHB1ENR |= 0x00000078;
|
||||
/* Delay after an RCC peripheral clock enabling */
|
||||
tmp = READ_BIT(RCC->AHB1ENR, RCC_AHB1ENR_GPIODEN);
|
||||
|
||||
/* Connect PDx pins to FMC Alternate function */
|
||||
GPIOD->AFR[0] = 0x00CCC0CC;
|
||||
GPIOD->AFR[1] = 0xCCCCCCCC;
|
||||
/* Configure PDx pins in Alternate function mode */
|
||||
GPIOD->MODER = 0xAAAA0A8A;
|
||||
/* Configure PDx pins speed to 100 MHz */
|
||||
GPIOD->OSPEEDR = 0xFFFF0FCF;
|
||||
/* Configure PDx pins Output type to push-pull */
|
||||
GPIOD->OTYPER = 0x00000000;
|
||||
/* No pull-up, pull-down for PDx pins */
|
||||
GPIOD->PUPDR = 0x00000000;
|
||||
|
||||
/* Connect PEx pins to FMC Alternate function */
|
||||
GPIOE->AFR[0] = 0xC00CC0CC;
|
||||
GPIOE->AFR[1] = 0xCCCCCCCC;
|
||||
/* Configure PEx pins in Alternate function mode */
|
||||
GPIOE->MODER = 0xAAAA828A;
|
||||
/* Configure PEx pins speed to 100 MHz */
|
||||
GPIOE->OSPEEDR = 0xFFFFC3CF;
|
||||
/* Configure PEx pins Output type to push-pull */
|
||||
GPIOE->OTYPER = 0x00000000;
|
||||
/* No pull-up, pull-down for PEx pins */
|
||||
GPIOE->PUPDR = 0x00000000;
|
||||
|
||||
/* Connect PFx pins to FMC Alternate function */
|
||||
GPIOF->AFR[0] = 0x00CCCCCC;
|
||||
GPIOF->AFR[1] = 0xCCCC0000;
|
||||
/* Configure PFx pins in Alternate function mode */
|
||||
GPIOF->MODER = 0xAA000AAA;
|
||||
/* Configure PFx pins speed to 100 MHz */
|
||||
GPIOF->OSPEEDR = 0xFF000FFF;
|
||||
/* Configure PFx pins Output type to push-pull */
|
||||
GPIOF->OTYPER = 0x00000000;
|
||||
/* No pull-up, pull-down for PFx pins */
|
||||
GPIOF->PUPDR = 0x00000000;
|
||||
|
||||
/* Connect PGx pins to FMC Alternate function */
|
||||
GPIOG->AFR[0] = 0x00CCCCCC;
|
||||
GPIOG->AFR[1] = 0x000000C0;
|
||||
/* Configure PGx pins in Alternate function mode */
|
||||
GPIOG->MODER = 0x00085AAA;
|
||||
/* Configure PGx pins speed to 100 MHz */
|
||||
GPIOG->OSPEEDR = 0x000CAFFF;
|
||||
/* Configure PGx pins Output type to push-pull */
|
||||
GPIOG->OTYPER = 0x00000000;
|
||||
/* No pull-up, pull-down for PGx pins */
|
||||
GPIOG->PUPDR = 0x00000000;
|
||||
|
||||
/*-- FMC/FSMC Configuration --------------------------------------------------*/
|
||||
/* Enable the FMC/FSMC interface clock */
|
||||
RCC->AHB3ENR |= 0x00000001;
|
||||
|
||||
#if defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx)
|
||||
/* Delay after an RCC peripheral clock enabling */
|
||||
tmp = READ_BIT(RCC->AHB3ENR, RCC_AHB3ENR_FMCEN);
|
||||
/* Configure and enable Bank1_SRAM2 */
|
||||
FMC_Bank1->BTCR[2] = 0x00001011;
|
||||
FMC_Bank1->BTCR[3] = 0x00000201;
|
||||
FMC_Bank1E->BWTR[2] = 0x0fffffff;
|
||||
#endif /* STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx */
|
||||
#if defined(STM32F469xx) || defined(STM32F479xx)
|
||||
/* Delay after an RCC peripheral clock enabling */
|
||||
tmp = READ_BIT(RCC->AHB3ENR, RCC_AHB3ENR_FMCEN);
|
||||
/* Configure and enable Bank1_SRAM2 */
|
||||
FMC_Bank1->BTCR[2] = 0x00001091;
|
||||
FMC_Bank1->BTCR[3] = 0x00110212;
|
||||
FMC_Bank1E->BWTR[2] = 0x0fffffff;
|
||||
#endif /* STM32F469xx || STM32F479xx */
|
||||
#if defined(STM32F405xx) || defined(STM32F415xx) || defined(STM32F407xx)|| defined(STM32F417xx)\
|
||||
|| defined(STM32F412Zx) || defined(STM32F412Vx)
|
||||
/* Delay after an RCC peripheral clock enabling */
|
||||
tmp = READ_BIT(RCC->AHB3ENR, RCC_AHB3ENR_FSMCEN);
|
||||
/* Configure and enable Bank1_SRAM2 */
|
||||
FSMC_Bank1->BTCR[2] = 0x00001011;
|
||||
FSMC_Bank1->BTCR[3] = 0x00000201;
|
||||
FSMC_Bank1E->BWTR[2] = 0x0FFFFFFF;
|
||||
#endif /* STM32F405xx || STM32F415xx || STM32F407xx || STM32F417xx || STM32F412Zx || STM32F412Vx */
|
||||
|
||||
#endif /* DATA_IN_ExtSRAM */
|
||||
#endif /* STM32F405xx || STM32F415xx || STM32F407xx || STM32F417xx || STM32F427xx || STM32F437xx ||\
|
||||
STM32F429xx || STM32F439xx || STM32F469xx || STM32F479xx || STM32F412Zx || STM32F412Vx */
|
||||
(void)(tmp);
|
||||
}
|
||||
#endif /* DATA_IN_ExtSRAM && DATA_IN_ExtSDRAM */
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|
||||
Reference in new issue
Block a user