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feda
2025-03-03 15:53:11 +03:00
commit 2d2912a771
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709
Src/File_Handling.c Normal file
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/*
* File_Handling_RTOS.c
*
* Created on: 14-May-2020
* Author: Controllerstech
*/
#include <File_Handling.h>
#include "stm32f7xx_hal.h"
#define UART USART1
/* =============================>>>>>>>> NO CHANGES AFTER THIS LINE =====================================>>>>>>> */
FATFS fs; // file system
FIL fil; // File
FILINFO fno;
extern FRESULT fresult; // result
extern unsigned long sizeoffile;
UINT br, bw; // File read/write count
/**** capacity related *****/
FATFS *pfs;
DWORD fre_clust;
uint32_t total, free_space;
void Send_Uart (char *string)
{
//HAL_UART_Transmit(UART, (uint8_t *)string, strlen (string), HAL_MAX_DELAY);
}
int Mount_SD (const TCHAR* path)
{
fresult = f_mount(&fs, path, 1);
if (fresult != FR_OK) return 1;
else return 0;
}
int Unmount_SD (const TCHAR* path)
{
fresult = f_mount(NULL, path, 1);
if (fresult == FR_OK) return 0;//Send_Uart ("SD CARD UNMOUNTED successfully...\n\n\n");
return 1;//else Send_Uart("ERROR!!! in UNMOUNTING SD CARD\n\n\n");
}
/* Start node to be scanned (***also used as work area***) */
FRESULT Scan_SD (char* pat)
{
DIR dir;
UINT i;
char *path = malloc(20*sizeof (char));
sprintf (path, "%s",pat);
fresult = f_opendir(&dir, path); /* Open the directory */
if (fresult == FR_OK)
{
for (;;)
{
fresult = f_readdir(&dir, &fno); /* Read a directory item */
if (fresult != FR_OK || fno.fname[0] == 0) break; /* Break on error or end of dir */
if (fno.fattrib & AM_DIR) /* It is a directory */
{
if (!(strcmp ("SYSTEM~1", fno.fname))) continue;
char *buf = malloc(30*sizeof(char));
sprintf (buf, "Dir: %s\r\n", fno.fname);
Send_Uart(buf);
free(buf);
i = strlen(path);
sprintf(&path[i], "/%s", fno.fname);
fresult = Scan_SD(path); /* Enter the directory */
if (fresult != FR_OK) break;
path[i] = 0;
}
else
{ /* It is a file. */
char *buf = malloc(30*sizeof(char));
sprintf(buf,"File: %s/%s\n", path, fno.fname);
Send_Uart(buf);
free(buf);
}
}
f_closedir(&dir);
}
free(path);
return fresult;
}
/* Only supports removing files from home directory */
FRESULT Format_SD (void)
{
DIR dir;
char *path = malloc(20*sizeof (char));
sprintf (path, "%s","/");
fresult = f_opendir(&dir, path); /* Open the directory */
if (fresult == FR_OK)
{
for (;;)
{
fresult = f_readdir(&dir, &fno); /* Read a directory item */
if (fresult != FR_OK || fno.fname[0] == 0) break; /* Break on error or end of dir */
if (fno.fattrib & AM_DIR) /* It is a directory */
{
if (!(strcmp ("SYSTEM~1", fno.fname))) continue;
fresult = f_unlink(fno.fname);
if (fresult == FR_DENIED) continue;
}
else
{ /* It is a file. */
fresult = f_unlink(fno.fname);
}
}
f_closedir(&dir);
}
free(path);
return fresult;
}
FRESULT Write_File (char *name, char *data)
{
/**** check whether the file exists or not ****/
fresult = f_stat (name, &fno);
if (fresult != FR_OK)
{
char *buf = malloc(100*sizeof(char));
//sprintf (buf, "ERROR!!! *%s* does not exists\n\n", name);
//Send_Uart (buf);
free(buf);
return fresult;
}
else
{
/* Create a file with read write access and open it */
fresult = f_open(&fil, name, FA_OPEN_EXISTING | FA_WRITE);
if (fresult != FR_OK)
{
char *buf = malloc(100*sizeof(char));
//sprintf (buf, "ERROR!!! No. %d in opening file *%s*\n\n", fresult, name);
//Send_Uart(buf);
free(buf);
return fresult;
}
else
{
fresult = f_write(&fil, data, strlen(data), &bw);
if (fresult != FR_OK)
{
char *buf = malloc(100*sizeof(char));
//sprintf (buf, "ERROR!!! No. %d while writing to the FILE *%s*\n\n", fresult, name);
//Send_Uart(buf);
free(buf);
}
/* Close file */
fresult = f_close(&fil);
if (fresult != FR_OK)
{
char *buf = malloc(100*sizeof(char));
//sprintf (buf, "ERROR!!! No. %d in closing file *%s* after writing it\n\n", fresult, name);
//Send_Uart(buf);
free(buf);
}
else
{
char *buf = malloc(100*sizeof(char));
//sprintf (buf, "File *%s* is WRITTEN and CLOSED successfully\n", name);
//Send_Uart(buf);
free(buf);
}
}
return fresult;
}
}
FRESULT Write_File_byte (char *name, uint8_t *data, unsigned int bytesize)
{
/**** check whether the file exists or not ****/
fresult = f_stat (name, &fno);
if (fresult != FR_OK)
{
char *buf = malloc(100*sizeof(char));
//sprintf (buf, "ERROR!!! *%s* does not exists\n\n", name);
//Send_Uart (buf);
free(buf);
return fresult;
}
else
{
/* Create a file with read write access and open it */
fresult = f_open(&fil, name, FA_OPEN_EXISTING | FA_WRITE);
if (fresult != FR_OK)
{
char *buf = malloc(100*sizeof(char));
//sprintf (buf, "ERROR!!! No. %d in opening file *%s*\n\n", fresult, name);
//Send_Uart(buf);
free(buf);
return fresult;
}
else
{
fresult = f_write(&fil, data, bytesize, &bw);
if (fresult != FR_OK)
{
char *buf = malloc(100*sizeof(char));
//sprintf (buf, "ERROR!!! No. %d while writing to the FILE *%s*\n\n", fresult, name);
//Send_Uart(buf);
free(buf);
}
/* Close file */
fresult = f_close(&fil);
if (fresult != FR_OK)
{
char *buf = malloc(100*sizeof(char));
//sprintf (buf, "ERROR!!! No. %d in closing file *%s* after writing it\n\n", fresult, name);
//Send_Uart(buf);
free(buf);
}
else
{
char *buf = malloc(100*sizeof(char));
//sprintf (buf, "File *%s* is WRITTEN and CLOSED successfully\n", name);
//Send_Uart(buf);
free(buf);
}
}
return fresult;
}
}
FRESULT Read_File (char *name)
{
/**** check whether the file exists or not ****/
fresult = f_stat (name, &fno);
if (fresult != FR_OK)
{
char *buf = malloc(100*sizeof(char));
sprintf (buf, "ERRROR!!! *%s* does not exists\n\n", name);
Send_Uart (buf);
free(buf);
return fresult;
}
else
{
/* Open file to read */
fresult = f_open(&fil, name, FA_READ);
if (fresult != FR_OK)
{
char *buf = malloc(100*sizeof(char));
sprintf (buf, "ERROR!!! No. %d in opening file *%s*\n\n", fresult, name);
Send_Uart(buf);
free(buf);
return fresult;
}
/* Read data from the file
* see the function details for the arguments */
char *buffer = malloc(sizeof(f_size(&fil)));
fresult = f_read (&fil, buffer, f_size(&fil), &br);
if (fresult != FR_OK)
{
char *buf = malloc(100*sizeof(char));
free(buffer);
sprintf (buf, "ERROR!!! No. %d in reading file *%s*\n\n", fresult, name);
Send_Uart(buffer);
free(buf);
}
else
{
Send_Uart(buffer);
free(buffer);
/* Close file */
fresult = f_close(&fil);
if (fresult != FR_OK)
{
char *buf = malloc(100*sizeof(char));
sprintf (buf, "ERROR!!! No. %d in closing file *%s*\n\n", fresult, name);
Send_Uart(buf);
free(buf);
}
else
{
char *buf = malloc(100*sizeof(char));
sprintf (buf, "File *%s* CLOSED successfully\n", name);
Send_Uart(buf);
free(buf);
}
}
return fresult;
}
}
FRESULT Seek_Read_File (char *name, uint8_t *data, unsigned int bytesize, unsigned long goto_label)
{
/**** check whether the file exists or not ****/
fresult = f_stat (name, &fno);
if (fresult != FR_OK)
{
char *buf = malloc(100*sizeof(char));
sprintf (buf, "ERRROR!!! *%s* does not exists\n\n", name);
//Send_Uart (buf);
free(buf);
return fresult;
}
else
{
/* Open file to read */
fresult = f_open(&fil, name, FA_READ);
if (fresult != FR_OK)
{
char *buf = malloc(100*sizeof(char));
sprintf (buf, "ERROR!!! No. %d in opening file *%s*\n\n", fresult, name);
//Send_Uart(buf);
free(buf);
return fresult;
}
/* Read data from the file
* see the function details for the arguments */
//char *buffer = malloc(sizeof(f_size(&fil)));
fresult = f_lseek (&fil, goto_label); /* Move file pointer of the file object */
if (fresult != FR_OK)
{
char *buf = malloc(100*sizeof(char));
//free(buffer);
sprintf (buf, "ERROR!!! Can't seek the file: *%s*\n\n", name);
//Send_Uart(buffer);
free(buf);
return fresult;
}
fresult = f_read (&fil, data, bytesize, &br);
if (fresult != FR_OK)
{
char *buf = malloc(100*sizeof(char));
//free(buffer);
sprintf (buf, "ERROR!!! No. %d in reading file *%s*\n\n", fresult, name);
//Send_Uart(buffer);
free(buf);
}
else
{
//Send_Uart(buffer);
//free(buffer);
if (goto_label==0)//Set size of file in first 4 bytes
{
sizeoffile = f_size(&fil);
data[0] = (uint8_t) (sizeoffile&0xff);
data[1] = (uint8_t) ((sizeoffile>>8)&0xff);
data[2] = (uint8_t) ((sizeoffile>>16)&0xff);
data[3] = (uint8_t) ((sizeoffile>>24)&0xff);
}
/* Close file */
fresult = f_close(&fil);
if (fresult != FR_OK)
{
char *buf = malloc(100*sizeof(char));
sprintf (buf, "ERROR!!! No. %d in closing file *%s*\n\n", fresult, name);
//Send_Uart(buf);
free(buf);
}
else
{
char *buf = malloc(100*sizeof(char));
sprintf (buf, "File *%s* CLOSED successfully\n", name);
//Send_Uart(buf);
free(buf);
}
}
return fresult;
}
}
FRESULT Create_File (char *name)
{
fresult = f_stat (name, &fno);
if (fresult == FR_OK)
{
char *buf = malloc(100*sizeof(char));
//sprintf (buf, "ERROR!!! *%s* already exists!!!!\n use Update_File \n\n",name);
//Send_Uart(buf);
free(buf);
return fresult;
}
else
{
fresult = f_open(&fil, name, FA_CREATE_ALWAYS|FA_READ|FA_WRITE);
if (fresult != FR_OK)
{
char *buf = malloc(100*sizeof(char));
//sprintf (buf, "ERROR!!! No. %d in creating file *%s*\n\n", fresult, name);
//Send_Uart(buf);
free(buf);
return fresult;
}
else
{
char *buf = malloc(100*sizeof(char));
//sprintf (buf, "*%s* created successfully\n Now use Write_File to write data\n",name);
//Send_Uart(buf);
free(buf);
}
fresult = f_close(&fil);
if (fresult != FR_OK)
{
char *buf = malloc(100*sizeof(char));
//sprintf (buf, "ERROR No. %d in closing file *%s*\n\n", fresult, name);
//Send_Uart(buf);
free(buf);
}
else
{
char *buf = malloc(100*sizeof(char));
//sprintf (buf, "File *%s* CLOSED successfully\n", name);
//Send_Uart(buf);
free(buf);
}
}
return fresult;
}
FRESULT Update_File (char *name, char *data)
{
/**** check whether the file exists or not ****/
fresult = f_stat (name, &fno);
if (fresult != FR_OK)
{
char *buf = malloc(100*sizeof(char));
//sprintf (buf, "ERROR!!! *%s* does not exists\n\n", name);
//Send_Uart (buf);
free(buf);
return fresult;
}
else
{
/* Create a file with read write access and open it */
fresult = f_open(&fil, name, FA_OPEN_APPEND | FA_WRITE);
if (fresult != FR_OK)
{
char *buf = malloc(100*sizeof(char));
//sprintf (buf, "ERROR!!! No. %d in opening file *%s*\n\n", fresult, name);
//Send_Uart(buf);
free(buf);
return fresult;
}
/* Writing text */
fresult = f_write(&fil, data, strlen (data), &bw);
if (fresult != FR_OK)
{
char *buf = malloc(100*sizeof(char));
//sprintf (buf, "ERROR!!! No. %d in writing file *%s*\n\n", fresult, name);
//Send_Uart(buf);
free(buf);
}
else
{
char *buf = malloc(100*sizeof(char));
//sprintf (buf, "*%s* UPDATED successfully\n", name);
//Send_Uart(buf);
free(buf);
}
/* Close file */
fresult = f_close(&fil);
if (fresult != FR_OK)
{
char *buf = malloc(100*sizeof(char));
//sprintf (buf, "ERROR!!! No. %d in closing file *%s*\n\n", fresult, name);
//Send_Uart(buf);
free(buf);
}
else
{
char *buf = malloc(100*sizeof(char));
//sprintf (buf, "File *%s* CLOSED successfully\n", name);
//Send_Uart(buf);
free(buf);
}
}
return fresult;
}
FRESULT Remove_File (char *name)
{
/**** check whether the file exists or not ****/
fresult = f_stat (name, &fno);
if (fresult != FR_OK)
{
char *buf = malloc(100*sizeof(char));
sprintf (buf, "ERROR!!! *%s* does not exists\n\n", name);
Send_Uart (buf);
free(buf);
return fresult;
}
else
{
fresult = f_unlink (name);
if (fresult == FR_OK)
{
char *buf = malloc(100*sizeof(char));
sprintf (buf, "*%s* has been removed successfully\n", name);
Send_Uart (buf);
free(buf);
}
else
{
char *buf = malloc(100*sizeof(char));
sprintf (buf, "ERROR No. %d in removing *%s*\n\n",fresult, name);
Send_Uart (buf);
free(buf);
}
}
return fresult;
}
FRESULT Create_Dir (char *name)
{
fresult = f_mkdir(name);
if (fresult == FR_OK)
{
char *buf = malloc(100*sizeof(char));
sprintf (buf, "*%s* has been created successfully\n", name);
Send_Uart (buf);
free(buf);
}
else
{
char *buf = malloc(100*sizeof(char));
sprintf (buf, "ERROR No. %d in creating directory *%s*\n\n", fresult,name);
Send_Uart(buf);
free(buf);
}
return fresult;
}
void Check_SD_Space (void)
{
/* Check free space */
f_getfree("", &fre_clust, &pfs);
total = (uint32_t)((pfs->n_fatent - 2) * pfs->csize * 0.5);
char *buf = malloc(30*sizeof(char));
sprintf (buf, "SD CARD Total Size: \t%lu\n",total);
Send_Uart(buf);
free(buf);
free_space = (uint32_t)(fre_clust * pfs->csize * 0.5);
buf = malloc(30*sizeof(char));
sprintf (buf, "SD CARD Free Space: \t%lu\n",free_space);
Send_Uart(buf);
free(buf);
}
FRESULT Update_File_float (char *name, float *data, unsigned int bytesize)
{
/**** check whether the file exists or not ****/
fresult = f_stat (name, &fno);
if (fresult != FR_OK)
{
char *buf = malloc(100*sizeof(char));
//sprintf (buf, "ERROR!!! *%s* does not exists\n\n", name);
//Send_Uart (buf);
free(buf);
return fresult;
}
else
{
/* Create a file with read write access and open it */
fresult = f_open(&fil, name, FA_OPEN_APPEND | FA_WRITE);
if (fresult != FR_OK)
{
char *buf = malloc(100*sizeof(char));
//sprintf (buf, "ERROR!!! No. %d in opening file *%s*\n\n", fresult, name);
//Send_Uart(buf);
free(buf);
return fresult;
}
/* Writing text */
fresult = f_write(&fil, data, bytesize, &bw);
if (fresult != FR_OK)
{
char *buf = malloc(100*sizeof(char));
//sprintf (buf, "ERROR!!! No. %d in writing file *%s*\n\n", fresult, name);
//Send_Uart(buf);
free(buf);
}
else
{
char *buf = malloc(100*sizeof(char));
//sprintf (buf, "*%s* UPDATED successfully\n", name);
//Send_Uart(buf);
free(buf);
}
/* Close file */
fresult = f_close(&fil);
if (fresult != FR_OK)
{
char *buf = malloc(100*sizeof(char));
//sprintf (buf, "ERROR!!! No. %d in closing file *%s*\n\n", fresult, name);
//Send_Uart(buf);
free(buf);
}
else
{
char *buf = malloc(100*sizeof(char));
//sprintf (buf, "File *%s* CLOSED successfully\n", name);
//Send_Uart(buf);
free(buf);
}
}
return fresult;
}
FRESULT Update_File_byte (char *name, uint8_t *data, unsigned int bytesize)
{
/**** check whether the file exists or not ****/
fresult = f_stat (name, &fno);
if (fresult != FR_OK)
{
char *buf = malloc(100*sizeof(char));
//sprintf (buf, "ERROR!!! *%s* does not exists\n\n", name);
//Send_Uart (buf);
free(buf);
return fresult;
}
else
{
/* Create a file with read write access and open it */
fresult = f_open(&fil, name, FA_OPEN_APPEND | FA_WRITE);
if (fresult != FR_OK)
{
char *buf = malloc(100*sizeof(char));
//sprintf (buf, "ERROR!!! No. %d in opening file *%s*\n\n", fresult, name);
//Send_Uart(buf);
free(buf);
return fresult;
}
/* Writing text */
fresult = f_write(&fil, data, bytesize, &bw);
if (fresult != FR_OK)
{
char *buf = malloc(100*sizeof(char));
//sprintf (buf, "ERROR!!! No. %d in writing file *%s*\n\n", fresult, name);
//Send_Uart(buf);
free(buf);
}
else
{
char *buf = malloc(100*sizeof(char));
//sprintf (buf, "*%s* UPDATED successfully\n", name);
//Send_Uart(buf);
free(buf);
}
/* Close file */
fresult = f_close(&fil);
if (fresult != FR_OK)
{
char *buf = malloc(100*sizeof(char));
//sprintf (buf, "ERROR!!! No. %d in closing file *%s*\n\n", fresult, name);
//Send_Uart(buf);
free(buf);
}
else
{
char *buf = malloc(100*sizeof(char));
//sprintf (buf, "File *%s* CLOSED successfully\n", name);
//Send_Uart(buf);
free(buf);
}
}
return fresult;
}

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Src/bsp_driver_sd.c Normal file
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/* USER CODE BEGIN Header */
/**
******************************************************************************
* @file bsp_driver_sd.c for F7 (based on stm32756g_eval_sd.c)
* @brief This file includes a generic uSD card driver.
* To be completed by the user according to the board used for the project.
* @note Some functions generated as weak: they can be overridden by
* - code in user files
* - or BSP code from the FW pack files
* if such files are added to the generated project (by the user).
******************************************************************************
* @attention
*
* Copyright (c) 2023 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.
*
******************************************************************************
*/
/* USER CODE END Header */
#ifdef OLD_API
/* kept to avoid issue when migrating old projects. */
/* USER CODE BEGIN 0 */
/* USER CODE END 0 */
#else
/* USER CODE BEGIN FirstSection */
/* can be used to modify / undefine following code or add new definitions */
/* USER CODE END FirstSection */
/* Includes ------------------------------------------------------------------*/
#include "bsp_driver_sd.h"
/* Extern variables ---------------------------------------------------------*/
extern SD_HandleTypeDef hsd1;
/* USER CODE BEGIN BeforeInitSection */
/* can be used to modify / undefine following code or add code */
/* USER CODE END BeforeInitSection */
/**
* @brief Initializes the SD card device.
* @retval SD status
*/
__weak uint8_t BSP_SD_Init(void)
{
uint8_t sd_state = MSD_OK;
/* Check if the SD card is plugged in the slot */
if (BSP_SD_IsDetected() != SD_PRESENT)
{
return MSD_ERROR_SD_NOT_PRESENT;
}
/* HAL SD initialization */
sd_state = HAL_SD_Init(&hsd1);
/* Configure SD Bus width (4 bits mode selected) */
if (sd_state == MSD_OK)
{
/* Enable wide operation */
if (HAL_SD_ConfigWideBusOperation(&hsd1, SDMMC_BUS_WIDE_4B) != HAL_OK)
{
sd_state = MSD_ERROR;
}
}
return sd_state;
}
/* USER CODE BEGIN AfterInitSection */
/* can be used to modify previous code / undefine following code / add code */
/* USER CODE END AfterInitSection */
/* USER CODE BEGIN InterruptMode */
/**
* @brief Configures Interrupt mode for SD detection pin.
* @retval Returns 0
*/
__weak uint8_t BSP_SD_ITConfig(void)
{
/* Code to be updated by the user or replaced by one from the FW pack (in a stmxxxx_sd.c file) */
return (uint8_t)0;
}
/* USER CODE END InterruptMode */
/* USER CODE BEGIN BeforeReadBlocksSection */
/* can be used to modify previous code / undefine following code / add code */
/* USER CODE END BeforeReadBlocksSection */
/**
* @brief Reads block(s) from a specified address in an SD card, in polling mode.
* @param pData: Pointer to the buffer that will contain the data to transmit
* @param ReadAddr: Address from where data is to be read
* @param NumOfBlocks: Number of SD blocks to read
* @param Timeout: Timeout for read operation
* @retval SD status
*/
__weak uint8_t BSP_SD_ReadBlocks(uint32_t *pData, uint32_t ReadAddr, uint32_t NumOfBlocks, uint32_t Timeout)
{
uint8_t sd_state = MSD_OK;
if (HAL_SD_ReadBlocks(&hsd1, (uint8_t *)pData, ReadAddr, NumOfBlocks, Timeout) != HAL_OK)
{
sd_state = MSD_ERROR;
}
return sd_state;
}
/* USER CODE BEGIN BeforeWriteBlocksSection */
/* can be used to modify previous code / undefine following code / add code */
/* USER CODE END BeforeWriteBlocksSection */
/**
* @brief Writes block(s) to a specified address in an SD card, in polling mode.
* @param pData: Pointer to the buffer that will contain the data to transmit
* @param WriteAddr: Address from where data is to be written
* @param NumOfBlocks: Number of SD blocks to write
* @param Timeout: Timeout for write operation
* @retval SD status
*/
__weak uint8_t BSP_SD_WriteBlocks(uint32_t *pData, uint32_t WriteAddr, uint32_t NumOfBlocks, uint32_t Timeout)
{
uint8_t sd_state = MSD_OK;
if (HAL_SD_WriteBlocks(&hsd1, (uint8_t *)pData, WriteAddr, NumOfBlocks, Timeout) != HAL_OK)
{
sd_state = MSD_ERROR;
}
return sd_state;
}
/* USER CODE BEGIN BeforeReadDMABlocksSection */
/* can be used to modify previous code / undefine following code / add code */
/* USER CODE END BeforeReadDMABlocksSection */
/**
* @brief Reads block(s) from a specified address in an SD card, in DMA mode.
* @param pData: Pointer to the buffer that will contain the data to transmit
* @param ReadAddr: Address from where data is to be read
* @param NumOfBlocks: Number of SD blocks to read
* @retval SD status
*/
__weak uint8_t BSP_SD_ReadBlocks_DMA(uint32_t *pData, uint32_t ReadAddr, uint32_t NumOfBlocks)
{
uint8_t sd_state = MSD_OK;
/* Read block(s) in DMA transfer mode */
if (HAL_SD_ReadBlocks_DMA(&hsd1, (uint8_t *)pData, ReadAddr, NumOfBlocks) != HAL_OK)
{
sd_state = MSD_ERROR;
}
return sd_state;
}
/* USER CODE BEGIN BeforeWriteDMABlocksSection */
/* can be used to modify previous code / undefine following code / add code */
/* USER CODE END BeforeWriteDMABlocksSection */
/**
* @brief Writes block(s) to a specified address in an SD card, in DMA mode.
* @param pData: Pointer to the buffer that will contain the data to transmit
* @param WriteAddr: Address from where data is to be written
* @param NumOfBlocks: Number of SD blocks to write
* @retval SD status
*/
__weak uint8_t BSP_SD_WriteBlocks_DMA(uint32_t *pData, uint32_t WriteAddr, uint32_t NumOfBlocks)
{
uint8_t sd_state = MSD_OK;
/* Write block(s) in DMA transfer mode */
if (HAL_SD_WriteBlocks_DMA(&hsd1, (uint8_t *)pData, WriteAddr, NumOfBlocks) != HAL_OK)
{
sd_state = MSD_ERROR;
}
return sd_state;
}
/* USER CODE BEGIN BeforeEraseSection */
/* can be used to modify previous code / undefine following code / add code */
/* USER CODE END BeforeEraseSection */
/**
* @brief Erases the specified memory area of the given SD card.
* @param StartAddr: Start byte address
* @param EndAddr: End byte address
* @retval SD status
*/
__weak uint8_t BSP_SD_Erase(uint32_t StartAddr, uint32_t EndAddr)
{
uint8_t sd_state = MSD_OK;
if (HAL_SD_Erase(&hsd1, StartAddr, EndAddr) != HAL_OK)
{
sd_state = MSD_ERROR;
}
return sd_state;
}
/* USER CODE BEGIN BeforeGetCardStateSection */
/* can be used to modify previous code / undefine following code / add code */
/* USER CODE END BeforeGetCardStateSection */
/**
* @brief Gets the current SD card data status.
* @param None
* @retval Data transfer state.
* This value can be one of the following values:
* @arg SD_TRANSFER_OK: No data transfer is acting
* @arg SD_TRANSFER_BUSY: Data transfer is acting
*/
__weak uint8_t BSP_SD_GetCardState(void)
{
return ((HAL_SD_GetCardState(&hsd1) == HAL_SD_CARD_TRANSFER ) ? SD_TRANSFER_OK : SD_TRANSFER_BUSY);
}
/**
* @brief Get SD information about specific SD card.
* @param CardInfo: Pointer to HAL_SD_CardInfoTypedef structure
* @retval None
*/
__weak void BSP_SD_GetCardInfo(HAL_SD_CardInfoTypeDef *CardInfo)
{
/* Get SD card Information */
HAL_SD_GetCardInfo(&hsd1, CardInfo);
}
/* USER CODE BEGIN BeforeCallBacksSection */
/* can be used to modify previous code / undefine following code / add code */
/* USER CODE END BeforeCallBacksSection */
/**
* @brief SD Abort callbacks
* @param hsd: SD handle
* @retval None
*/
void HAL_SD_AbortCallback(SD_HandleTypeDef *hsd)
{
BSP_SD_AbortCallback();
}
/**
* @brief Tx Transfer completed callback
* @param hsd: SD handle
* @retval None
*/
void HAL_SD_TxCpltCallback(SD_HandleTypeDef *hsd)
{
BSP_SD_WriteCpltCallback();
}
/**
* @brief Rx Transfer completed callback
* @param hsd: SD handle
* @retval None
*/
void HAL_SD_RxCpltCallback(SD_HandleTypeDef *hsd)
{
BSP_SD_ReadCpltCallback();
}
/* USER CODE BEGIN CallBacksSection_C */
/**
* @brief BSP SD Abort callback
* @retval None
* @note empty (up to the user to fill it in or to remove it if useless)
*/
__weak void BSP_SD_AbortCallback(void)
{
}
/**
* @brief BSP Tx Transfer completed callback
* @retval None
* @note empty (up to the user to fill it in or to remove it if useless)
*/
__weak void BSP_SD_WriteCpltCallback(void)
{
}
/**
* @brief BSP Rx Transfer completed callback
* @retval None
* @note empty (up to the user to fill it in or to remove it if useless)
*/
__weak void BSP_SD_ReadCpltCallback(void)
{
}
/* USER CODE END CallBacksSection_C */
#endif
/**
* @brief Detects if SD card is correctly plugged in the memory slot or not.
* @param None
* @retval Returns if SD is detected or not
*/
__weak uint8_t BSP_SD_IsDetected(void)
{
__IO uint8_t status = SD_PRESENT;
if (BSP_PlatformIsDetected() == 0x0)
{
status = SD_NOT_PRESENT;
}
return status;
}
/* USER CODE BEGIN AdditionalCode */
/* user code can be inserted here */
/* USER CODE END AdditionalCode */

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/* USER CODE BEGIN Header */
/**
******************************************************************************
* @file fatfs.c
* @brief Code for fatfs applications
******************************************************************************
* @attention
*
* Copyright (c) 2023 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.
*
******************************************************************************
*/
/* USER CODE END Header */
#include "fatfs.h"
uint8_t retSD; /* Return value for SD */
char SDPath[4]; /* SD logical drive path */
FATFS SDFatFS; /* File system object for SD logical drive */
FIL SDFile; /* File object for SD */
/* USER CODE BEGIN Variables */
/* USER CODE END Variables */
void MX_FATFS_Init(void)
{
/*## FatFS: Link the SD driver ###########################*/
retSD = FATFS_LinkDriver(&SD_Driver, SDPath);
/* USER CODE BEGIN Init */
/* additional user code for init */
/* USER CODE END Init */
}
/**
* @brief Gets Time from RTC
* @param None
* @retval Time in DWORD
*/
DWORD get_fattime(void)
{
/* USER CODE BEGIN get_fattime */
return 0;
/* USER CODE END get_fattime */
}
/* USER CODE BEGIN Application */
/* USER CODE END Application */

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/* USER CODE BEGIN Header */
/**
******************************************************************************
* @file : fatfs_platform.c
* @brief : fatfs_platform source file
******************************************************************************
* @attention
*
* Copyright (c) 2023 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.
*
******************************************************************************
*/
/* USER CODE END Header */
#include "fatfs_platform.h"
uint8_t BSP_PlatformIsDetected(void) {
uint8_t status = SD_PRESENT;
/* Check SD card detect pin */
if(HAL_GPIO_ReadPin(SD_DETECT_GPIO_PORT, SD_DETECT_PIN) != GPIO_PIN_RESET)
{
status = SD_NOT_PRESENT;
}
/* USER CODE BEGIN 1 */
/* user code can be inserted here */
/* USER CODE END 1 */
return status;
}

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/* USER CODE BEGIN Header */
/**
******************************************************************************
* @file sd_diskio.c
* @brief SD Disk I/O driver
******************************************************************************
* @attention
*
* Copyright (c) 2023 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.
*
******************************************************************************
*/
/* USER CODE END Header */
/* Note: code generation based on sd_diskio_template_bspv1.c v2.1.4
as "Use dma template" is disabled. */
/* USER CODE BEGIN firstSection */
/* can be used to modify / undefine following code or add new definitions */
/* USER CODE END firstSection*/
/* Includes ------------------------------------------------------------------*/
#include "ff_gen_drv.h"
#include "sd_diskio.h"
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* use the default SD timout as defined in the platform BSP driver*/
#if defined(SDMMC_DATATIMEOUT)
#define SD_TIMEOUT SDMMC_DATATIMEOUT
#elif defined(SD_DATATIMEOUT)
#define SD_TIMEOUT SD_DATATIMEOUT
#else
#define SD_TIMEOUT 30 * 1000
#endif
#define SD_DEFAULT_BLOCK_SIZE 512
/*
* Depending on the use case, the SD card initialization could be done at the
* application level: if it is the case define the flag below to disable
* the BSP_SD_Init() call in the SD_Initialize() and add a call to
* BSP_SD_Init() elsewhere in the application.
*/
/* USER CODE BEGIN disableSDInit */
/* #define DISABLE_SD_INIT */
/* USER CODE END disableSDInit */
/* Private variables ---------------------------------------------------------*/
/* Disk status */
static volatile DSTATUS Stat = STA_NOINIT;
/* Private function prototypes -----------------------------------------------*/
static DSTATUS SD_CheckStatus(BYTE lun);
DSTATUS SD_initialize (BYTE);
DSTATUS SD_status (BYTE);
DRESULT SD_read (BYTE, BYTE*, DWORD, UINT);
#if _USE_WRITE == 1
DRESULT SD_write (BYTE, const BYTE*, DWORD, UINT);
#endif /* _USE_WRITE == 1 */
#if _USE_IOCTL == 1
DRESULT SD_ioctl (BYTE, BYTE, void*);
#endif /* _USE_IOCTL == 1 */
const Diskio_drvTypeDef SD_Driver =
{
SD_initialize,
SD_status,
SD_read,
#if _USE_WRITE == 1
SD_write,
#endif /* _USE_WRITE == 1 */
#if _USE_IOCTL == 1
SD_ioctl,
#endif /* _USE_IOCTL == 1 */
};
/* USER CODE BEGIN beforeFunctionSection */
/* can be used to modify / undefine following code or add new code */
/* USER CODE END beforeFunctionSection */
/* Private functions ---------------------------------------------------------*/
static DSTATUS SD_CheckStatus(BYTE lun)
{
Stat = STA_NOINIT;
if(BSP_SD_GetCardState() == MSD_OK)
{
Stat &= ~STA_NOINIT;
}
return Stat;
}
/**
* @brief Initializes a Drive
* @param lun : not used
* @retval DSTATUS: Operation status
*/
DSTATUS SD_initialize(BYTE lun)
{
Stat = STA_NOINIT;
#if !defined(DISABLE_SD_INIT)
if(BSP_SD_Init() == MSD_OK)
{
Stat = SD_CheckStatus(lun);
}
#else
Stat = SD_CheckStatus(lun);
#endif
return Stat;
}
/**
* @brief Gets Disk Status
* @param lun : not used
* @retval DSTATUS: Operation status
*/
DSTATUS SD_status(BYTE lun)
{
return SD_CheckStatus(lun);
}
/* USER CODE BEGIN beforeReadSection */
/* can be used to modify previous code / undefine following code / add new code */
/* USER CODE END beforeReadSection */
/**
* @brief Reads Sector(s)
* @param lun : not used
* @param *buff: Data buffer to store read data
* @param sector: Sector address (LBA)
* @param count: Number of sectors to read (1..128)
* @retval DRESULT: Operation result
*/
DRESULT SD_read(BYTE lun, BYTE *buff, DWORD sector, UINT count)
{
DRESULT res = RES_ERROR;
if(BSP_SD_ReadBlocks((uint32_t*)buff,
(uint32_t) (sector),
count, SD_TIMEOUT) == MSD_OK)
{
/* wait until the read operation is finished */
while(BSP_SD_GetCardState()!= MSD_OK)
{
}
res = RES_OK;
}
return res;
}
/* USER CODE BEGIN beforeWriteSection */
/* can be used to modify previous code / undefine following code / add new code */
/* USER CODE END beforeWriteSection */
/**
* @brief Writes Sector(s)
* @param lun : not used
* @param *buff: Data to be written
* @param sector: Sector address (LBA)
* @param count: Number of sectors to write (1..128)
* @retval DRESULT: Operation result
*/
#if _USE_WRITE == 1
DRESULT SD_write(BYTE lun, const BYTE *buff, DWORD sector, UINT count)
{
DRESULT res = RES_ERROR;
if(BSP_SD_WriteBlocks((uint32_t*)buff,
(uint32_t)(sector),
count, SD_TIMEOUT) == MSD_OK)
{
/* wait until the Write operation is finished */
while(BSP_SD_GetCardState() != MSD_OK)
{
}
res = RES_OK;
}
return res;
}
#endif /* _USE_WRITE == 1 */
/* USER CODE BEGIN beforeIoctlSection */
/* can be used to modify previous code / undefine following code / add new code */
/* USER CODE END beforeIoctlSection */
/**
* @brief I/O control operation
* @param lun : not used
* @param cmd: Control code
* @param *buff: Buffer to send/receive control data
* @retval DRESULT: Operation result
*/
#if _USE_IOCTL == 1
DRESULT SD_ioctl(BYTE lun, BYTE cmd, void *buff)
{
DRESULT res = RES_ERROR;
BSP_SD_CardInfo CardInfo;
if (Stat & STA_NOINIT) return RES_NOTRDY;
switch (cmd)
{
/* Make sure that no pending write process */
case CTRL_SYNC :
res = RES_OK;
break;
/* Get number of sectors on the disk (DWORD) */
case GET_SECTOR_COUNT :
BSP_SD_GetCardInfo(&CardInfo);
*(DWORD*)buff = CardInfo.LogBlockNbr;
res = RES_OK;
break;
/* Get R/W sector size (WORD) */
case GET_SECTOR_SIZE :
BSP_SD_GetCardInfo(&CardInfo);
*(WORD*)buff = CardInfo.LogBlockSize;
res = RES_OK;
break;
/* Get erase block size in unit of sector (DWORD) */
case GET_BLOCK_SIZE :
BSP_SD_GetCardInfo(&CardInfo);
*(DWORD*)buff = CardInfo.LogBlockSize / SD_DEFAULT_BLOCK_SIZE;
res = RES_OK;
break;
default:
res = RES_PARERR;
}
return res;
}
#endif /* _USE_IOCTL == 1 */
/* USER CODE BEGIN afterIoctlSection */
/* can be used to modify previous code / undefine following code / add new code */
/* USER CODE END afterIoctlSection */
/* USER CODE BEGIN lastSection */
/* can be used to modify / undefine previous code or add new code */
/* USER CODE END lastSection */

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/* USER CODE BEGIN Header */
/**
******************************************************************************
* @file stm32f7xx_hal_msp.c
* @brief This file provides code for the MSP Initialization
* and de-Initialization codes.
******************************************************************************
* @attention
*
* Copyright (c) 2023 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.
*
******************************************************************************
*/
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"
/* USER CODE BEGIN Includes */
/* USER CODE END Includes */
/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN TD */
/* USER CODE END TD */
/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN Define */
/* USER CODE END Define */
/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN Macro */
/* USER CODE END Macro */
/* Private variables ---------------------------------------------------------*/
/* USER CODE BEGIN PV */
/* USER CODE END PV */
/* Private function prototypes -----------------------------------------------*/
/* USER CODE BEGIN PFP */
/* USER CODE END PFP */
/* External functions --------------------------------------------------------*/
/* USER CODE BEGIN ExternalFunctions */
/* USER CODE END ExternalFunctions */
/* USER CODE BEGIN 0 */
/* USER CODE END 0 */
/**
* Initializes the Global MSP.
*/
void HAL_MspInit(void)
{
/* USER CODE BEGIN MspInit 0 */
/* USER CODE END MspInit 0 */
__HAL_RCC_PWR_CLK_ENABLE();
__HAL_RCC_SYSCFG_CLK_ENABLE();
/* System interrupt init*/
/* USER CODE BEGIN MspInit 1 */
/* USER CODE END MspInit 1 */
}
/**
* @brief ADC MSP Initialization
* This function configures the hardware resources used in this example
* @param hadc: ADC handle pointer
* @retval None
*/
void HAL_ADC_MspInit(ADC_HandleTypeDef* hadc)
{
GPIO_InitTypeDef GPIO_InitStruct = {0};
if(hadc->Instance==ADC1)
{
/* USER CODE BEGIN ADC1_MspInit 0 */
/* USER CODE END ADC1_MspInit 0 */
/* Peripheral clock enable */
__HAL_RCC_ADC1_CLK_ENABLE();
__HAL_RCC_GPIOC_CLK_ENABLE();
__HAL_RCC_GPIOA_CLK_ENABLE();
__HAL_RCC_GPIOB_CLK_ENABLE();
/**ADC1 GPIO Configuration
PC0 ------> ADC1_IN10
PC1 ------> ADC1_IN11
PA2 ------> ADC1_IN2
PB0 ------> ADC1_IN8
PB1 ------> ADC1_IN9
*/
GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1;
GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
GPIO_InitStruct.Pull = GPIO_NOPULL;
HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
GPIO_InitStruct.Pin = GPIO_PIN_2;
GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
GPIO_InitStruct.Pull = GPIO_NOPULL;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1;
GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
GPIO_InitStruct.Pull = GPIO_NOPULL;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
/* ADC1 interrupt Init */
HAL_NVIC_SetPriority(ADC_IRQn, 0, 0);
HAL_NVIC_EnableIRQ(ADC_IRQn);
/* USER CODE BEGIN ADC1_MspInit 1 */
/* USER CODE END ADC1_MspInit 1 */
}
else if(hadc->Instance==ADC3)
{
/* USER CODE BEGIN ADC3_MspInit 0 */
/* USER CODE END ADC3_MspInit 0 */
/* Peripheral clock enable */
__HAL_RCC_ADC3_CLK_ENABLE();
__HAL_RCC_GPIOF_CLK_ENABLE();
/**ADC3 GPIO Configuration
PF5 ------> ADC3_IN15
*/
GPIO_InitStruct.Pin = GPIO_PIN_5;
GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
GPIO_InitStruct.Pull = GPIO_NOPULL;
HAL_GPIO_Init(GPIOF, &GPIO_InitStruct);
/* ADC3 interrupt Init */
HAL_NVIC_SetPriority(ADC_IRQn, 0, 0);
HAL_NVIC_EnableIRQ(ADC_IRQn);
/* USER CODE BEGIN ADC3_MspInit 1 */
/* USER CODE END ADC3_MspInit 1 */
}
}
/**
* @brief ADC MSP De-Initialization
* This function freeze the hardware resources used in this example
* @param hadc: ADC handle pointer
* @retval None
*/
void HAL_ADC_MspDeInit(ADC_HandleTypeDef* hadc)
{
if(hadc->Instance==ADC1)
{
/* USER CODE BEGIN ADC1_MspDeInit 0 */
/* USER CODE END ADC1_MspDeInit 0 */
/* Peripheral clock disable */
__HAL_RCC_ADC1_CLK_DISABLE();
/**ADC1 GPIO Configuration
PC0 ------> ADC1_IN10
PC1 ------> ADC1_IN11
PA2 ------> ADC1_IN2
PB0 ------> ADC1_IN8
PB1 ------> ADC1_IN9
*/
HAL_GPIO_DeInit(GPIOC, GPIO_PIN_0|GPIO_PIN_1);
HAL_GPIO_DeInit(GPIOA, GPIO_PIN_2);
HAL_GPIO_DeInit(GPIOB, GPIO_PIN_0|GPIO_PIN_1);
/* ADC1 interrupt DeInit */
/* USER CODE BEGIN ADC1:ADC_IRQn disable */
/**
* Uncomment the line below to disable the "ADC_IRQn" interrupt
* Be aware, disabling shared interrupt may affect other IPs
*/
/* HAL_NVIC_DisableIRQ(ADC_IRQn); */
/* USER CODE END ADC1:ADC_IRQn disable */
/* USER CODE BEGIN ADC1_MspDeInit 1 */
/* USER CODE END ADC1_MspDeInit 1 */
}
else if(hadc->Instance==ADC3)
{
/* USER CODE BEGIN ADC3_MspDeInit 0 */
/* USER CODE END ADC3_MspDeInit 0 */
/* Peripheral clock disable */
__HAL_RCC_ADC3_CLK_DISABLE();
/**ADC3 GPIO Configuration
PF5 ------> ADC3_IN15
*/
HAL_GPIO_DeInit(GPIOF, GPIO_PIN_5);
/* ADC3 interrupt DeInit */
/* USER CODE BEGIN ADC3:ADC_IRQn disable */
/**
* Uncomment the line below to disable the "ADC_IRQn" interrupt
* Be aware, disabling shared interrupt may affect other IPs
*/
/* HAL_NVIC_DisableIRQ(ADC_IRQn); */
/* USER CODE END ADC3:ADC_IRQn disable */
/* USER CODE BEGIN ADC3_MspDeInit 1 */
/* USER CODE END ADC3_MspDeInit 1 */
}
}
/**
* @brief SD MSP Initialization
* This function configures the hardware resources used in this example
* @param hsd: SD handle pointer
* @retval None
*/
void HAL_SD_MspInit(SD_HandleTypeDef* hsd)
{
GPIO_InitTypeDef GPIO_InitStruct = {0};
RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {0};
if(hsd->Instance==SDMMC1)
{
/* USER CODE BEGIN SDMMC1_MspInit 0 */
/* USER CODE END SDMMC1_MspInit 0 */
/** Initializes the peripherals clock
*/
PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_SDMMC1|RCC_PERIPHCLK_CLK48;
PeriphClkInitStruct.Clk48ClockSelection = RCC_CLK48SOURCE_PLL;
PeriphClkInitStruct.Sdmmc1ClockSelection = RCC_SDMMC1CLKSOURCE_CLK48;
if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK)
{
Error_Handler();
}
/* Peripheral clock enable */
__HAL_RCC_SDMMC1_CLK_ENABLE();
__HAL_RCC_GPIOC_CLK_ENABLE();
__HAL_RCC_GPIOD_CLK_ENABLE();
/**SDMMC1 GPIO Configuration
PC8 ------> SDMMC1_D0
PC9 ------> SDMMC1_D1
PC10 ------> SDMMC1_D2
PC11 ------> SDMMC1_D3
PC12 ------> SDMMC1_CK
PD2 ------> SDMMC1_CMD
*/
GPIO_InitStruct.Pin = GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10|GPIO_PIN_11
|GPIO_PIN_12;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF12_SDMMC1;
HAL_GPIO_Init(GPIOC, &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_VERY_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF12_SDMMC1;
HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
/* USER CODE BEGIN SDMMC1_MspInit 1 */
/* USER CODE END SDMMC1_MspInit 1 */
}
}
/**
* @brief SD MSP De-Initialization
* This function freeze the hardware resources used in this example
* @param hsd: SD handle pointer
* @retval None
*/
void HAL_SD_MspDeInit(SD_HandleTypeDef* hsd)
{
if(hsd->Instance==SDMMC1)
{
/* USER CODE BEGIN SDMMC1_MspDeInit 0 */
/* USER CODE END SDMMC1_MspDeInit 0 */
/* Peripheral clock disable */
__HAL_RCC_SDMMC1_CLK_DISABLE();
/**SDMMC1 GPIO Configuration
PC8 ------> SDMMC1_D0
PC9 ------> SDMMC1_D1
PC10 ------> SDMMC1_D2
PC11 ------> SDMMC1_D3
PC12 ------> SDMMC1_CK
PD2 ------> SDMMC1_CMD
*/
HAL_GPIO_DeInit(GPIOC, GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10|GPIO_PIN_11
|GPIO_PIN_12);
HAL_GPIO_DeInit(GPIOD, GPIO_PIN_2);
/* USER CODE BEGIN SDMMC1_MspDeInit 1 */
/* USER CODE END SDMMC1_MspDeInit 1 */
}
}
/**
* @brief TIM_Base MSP Initialization
* This function configures the hardware resources used in this example
* @param htim_base: TIM_Base handle pointer
* @retval None
*/
void HAL_TIM_Base_MspInit(TIM_HandleTypeDef* htim_base)
{
if(htim_base->Instance==TIM10)
{
/* USER CODE BEGIN TIM10_MspInit 0 */
/* USER CODE END TIM10_MspInit 0 */
/* Peripheral clock enable */
__HAL_RCC_TIM10_CLK_ENABLE();
/* TIM10 interrupt Init */
HAL_NVIC_SetPriority(TIM1_UP_TIM10_IRQn, 0, 0);
HAL_NVIC_EnableIRQ(TIM1_UP_TIM10_IRQn);
/* USER CODE BEGIN TIM10_MspInit 1 */
/* USER CODE END TIM10_MspInit 1 */
}
}
/**
* @brief TIM_Base MSP De-Initialization
* This function freeze the hardware resources used in this example
* @param htim_base: TIM_Base handle pointer
* @retval None
*/
void HAL_TIM_Base_MspDeInit(TIM_HandleTypeDef* htim_base)
{
if(htim_base->Instance==TIM10)
{
/* USER CODE BEGIN TIM10_MspDeInit 0 */
/* USER CODE END TIM10_MspDeInit 0 */
/* Peripheral clock disable */
__HAL_RCC_TIM10_CLK_DISABLE();
/* TIM10 interrupt DeInit */
HAL_NVIC_DisableIRQ(TIM1_UP_TIM10_IRQn);
/* USER CODE BEGIN TIM10_MspDeInit 1 */
/* USER CODE END TIM10_MspDeInit 1 */
}
}
/* USER CODE BEGIN 1 */
/* USER CODE END 1 */

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/* USER CODE BEGIN Header */
/**
******************************************************************************
* @file stm32f7xx_it.c
* @brief Interrupt Service Routines.
******************************************************************************
* @attention
*
* Copyright (c) 2023 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.
*
******************************************************************************
*/
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "stm32f7xx_it.h"
/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
/* USER CODE END Includes */
/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN TD */
/* USER CODE END TD */
/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */
/* USER CODE END PD */
/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */
/* USER CODE END PM */
/* Private variables ---------------------------------------------------------*/
/* USER CODE BEGIN PV */
extern uint32_t TO6, TO7, TO6_uart, TO10, TO10_counter;
extern uint16_t UART_rec_incr, UART_header, COMMAND[CL_16];
extern uint8_t uart_buf, flg_tmt, CPU_state, State_Data[2], UART_transmission_request, u_tx_flg, TIM10_coflag;
extern task_t task;
/* USER CODE END PV */
/* Private function prototypes -----------------------------------------------*/
/* USER CODE BEGIN PFP */
void UART_RxCpltCallback(void);
void DMA2_Stream7_TransferComplete(void);
/* USER CODE END PFP */
/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */
/* USER CODE END 0 */
/* External variables --------------------------------------------------------*/
extern ADC_HandleTypeDef hadc1;
extern ADC_HandleTypeDef hadc3;
extern TIM_HandleTypeDef htim10;
/* USER CODE BEGIN EV */
/* USER CODE END EV */
/******************************************************************************/
/* Cortex-M7 Processor Interruption and Exception Handlers */
/******************************************************************************/
/**
* @brief This function handles Non maskable interrupt.
*/
void NMI_Handler(void)
{
/* USER CODE BEGIN NonMaskableInt_IRQn 0 */
/* USER CODE END NonMaskableInt_IRQn 0 */
/* USER CODE BEGIN NonMaskableInt_IRQn 1 */
while (1)
{
}
/* USER CODE END NonMaskableInt_IRQn 1 */
}
/**
* @brief This function handles Hard fault interrupt.
*/
void HardFault_Handler(void)
{
/* USER CODE BEGIN HardFault_IRQn 0 */
/* USER CODE END HardFault_IRQn 0 */
while (1)
{
/* USER CODE BEGIN W1_HardFault_IRQn 0 */
/* USER CODE END W1_HardFault_IRQn 0 */
}
}
/**
* @brief This function handles Memory management fault.
*/
void MemManage_Handler(void)
{
/* USER CODE BEGIN MemoryManagement_IRQn 0 */
/* USER CODE END MemoryManagement_IRQn 0 */
while (1)
{
/* USER CODE BEGIN W1_MemoryManagement_IRQn 0 */
/* USER CODE END W1_MemoryManagement_IRQn 0 */
}
}
/**
* @brief This function handles Pre-fetch fault, memory access fault.
*/
void BusFault_Handler(void)
{
/* USER CODE BEGIN BusFault_IRQn 0 */
/* USER CODE END BusFault_IRQn 0 */
while (1)
{
/* USER CODE BEGIN W1_BusFault_IRQn 0 */
/* USER CODE END W1_BusFault_IRQn 0 */
}
}
/**
* @brief This function handles Undefined instruction or illegal state.
*/
void UsageFault_Handler(void)
{
/* USER CODE BEGIN UsageFault_IRQn 0 */
/* USER CODE END UsageFault_IRQn 0 */
while (1)
{
/* USER CODE BEGIN W1_UsageFault_IRQn 0 */
/* USER CODE END W1_UsageFault_IRQn 0 */
}
}
/**
* @brief This function handles System service call via SWI instruction.
*/
void SVC_Handler(void)
{
/* USER CODE BEGIN SVCall_IRQn 0 */
/* USER CODE END SVCall_IRQn 0 */
/* USER CODE BEGIN SVCall_IRQn 1 */
/* USER CODE END SVCall_IRQn 1 */
}
/**
* @brief This function handles Debug monitor.
*/
void DebugMon_Handler(void)
{
/* USER CODE BEGIN DebugMonitor_IRQn 0 */
/* USER CODE END DebugMonitor_IRQn 0 */
/* USER CODE BEGIN DebugMonitor_IRQn 1 */
/* USER CODE END DebugMonitor_IRQn 1 */
}
/**
* @brief This function handles Pendable request for system service.
*/
void PendSV_Handler(void)
{
/* USER CODE BEGIN PendSV_IRQn 0 */
/* USER CODE END PendSV_IRQn 0 */
/* USER CODE BEGIN PendSV_IRQn 1 */
/* USER CODE END PendSV_IRQn 1 */
}
/**
* @brief This function handles System tick timer.
*/
void SysTick_Handler(void)
{
/* USER CODE BEGIN SysTick_IRQn 0 */
/* USER CODE END SysTick_IRQn 0 */
HAL_IncTick();
/* USER CODE BEGIN SysTick_IRQn 1 */
/* USER CODE END SysTick_IRQn 1 */
}
/******************************************************************************/
/* STM32F7xx Peripheral Interrupt Handlers */
/* Add here the Interrupt Handlers for the used peripherals. */
/* For the available peripheral interrupt handler names, */
/* please refer to the startup file (startup_stm32f7xx.s). */
/******************************************************************************/
/**
* @brief This function handles ADC1, ADC2 and ADC3 global interrupts.
*/
void ADC_IRQHandler(void)
{
/* USER CODE BEGIN ADC_IRQn 0 */
/* USER CODE END ADC_IRQn 0 */
HAL_ADC_IRQHandler(&hadc1);
HAL_ADC_IRQHandler(&hadc3);
/* USER CODE BEGIN ADC_IRQn 1 */
/* USER CODE END ADC_IRQn 1 */
}
/**
* @brief This function handles TIM1 update interrupt and TIM10 global interrupt.
*/
void TIM1_UP_TIM10_IRQHandler(void)
{
/* USER CODE BEGIN TIM1_UP_TIM10_IRQn 0 */
TO10++;
if (TO10 == TO10_counter)
TIM10_coflag = 1;
/* USER CODE END TIM1_UP_TIM10_IRQn 0 */
HAL_TIM_IRQHandler(&htim10);
/* USER CODE BEGIN TIM1_UP_TIM10_IRQn 1 */
/* USER CODE END TIM1_UP_TIM10_IRQn 1 */
}
/**
* @brief This function handles TIM2 global interrupt.
*/
void TIM2_IRQHandler(void)
{
/* USER CODE BEGIN TIM2_IRQn 0 */
/* USER CODE END TIM2_IRQn 0 */
/* USER CODE BEGIN TIM2_IRQn 1 */
/* USER CODE END TIM2_IRQn 1 */
}
/**
* @brief This function handles USART1 global interrupt.
*/
void USART1_IRQHandler(void)
{
/* USER CODE BEGIN USART1_IRQn 0 */
volatile uint8_t temp;
if(LL_USART_IsActiveFlag_RXNE(USART1) && LL_USART_IsEnabledIT_RXNE(USART1))
{
UART_RxCpltCallback();
}
else
{
if(LL_USART_IsActiveFlag_ORE(USART1))
{
//temp = USART1->RDR;
temp+= LL_USART_ReceiveData8(USART1);
}
else if(LL_USART_IsActiveFlag_FE(USART1))
{
//(void) USART1->RDR;
temp+= LL_USART_ReceiveData8(USART1);
}
else if(LL_USART_IsActiveFlag_NE(USART1))
{
//(void) USART1->RDR;
temp+= LL_USART_ReceiveData8(USART1);
}
else if(LL_USART_IsActiveFlag_PE(USART1))
{
//(void) USART1->RDR;
temp+= LL_USART_ReceiveData8(USART1);
}
else
{
if(LL_USART_IsActiveFlag_TC(USART6) && LL_USART_IsEnabledIT_TC(USART6))
{
LL_USART_ClearFlag_TC(USART1);
//test_counter += 1;
//if(UART_transmission_busy == 1){
LL_USART_DisableIT_TC(USART1);
//UART_transmission_busy = 0;
}
}
}
/* USER CODE END USART1_IRQn 0 */
/* USER CODE BEGIN USART1_IRQn 1 */
/* USER CODE END USART1_IRQn 1 */
}
/**
* @brief This function handles TIM5 global interrupt.
*/
void TIM5_IRQHandler(void)
{
/* USER CODE BEGIN TIM5_IRQn 0 */
/* USER CODE END TIM5_IRQn 0 */
/* USER CODE BEGIN TIM5_IRQn 1 */
/* USER CODE END TIM5_IRQn 1 */
}
/**
* @brief This function handles TIM6 global interrupt, DAC1 and DAC2 underrun error interrupts.
*/
void TIM6_DAC_IRQHandler(void)
{
/* USER CODE BEGIN TIM6_DAC_IRQn 0 */
/* USER CODE END TIM6_DAC_IRQn 0 */
/* USER CODE BEGIN TIM6_DAC_IRQn 1 */
if(LL_TIM_IsActiveFlag_UPDATE(TIM6))
{
LL_TIM_ClearFlag_UPDATE(TIM6);
TO6++;//increment tick
//10 ms or 100 Hz
HAL_GPIO_TogglePin(TEST_01_GPIO_Port, TEST_01_Pin);
//HAL_GPIO_TogglePin(GPIOD, GPIO_PIN_12);
}
/* USER CODE END TIM6_DAC_IRQn 1 */
}
/**
* @brief This function handles TIM7 global interrupt.
*/
void TIM7_IRQHandler(void)
{
/* USER CODE BEGIN TIM7_IRQn 0 */
/* USER CODE END TIM7_IRQn 0 */
/* USER CODE BEGIN TIM7_IRQn 1 */
if(LL_TIM_IsActiveFlag_UPDATE(TIM7))
{
LL_TIM_ClearFlag_UPDATE(TIM7);
TO7++;
//1 ms or 1000 Hz
//HAL_GPIO_TogglePin(TEST_01_GPIO_Port, TEST_01_Pin);
}
/* USER CODE END TIM7_IRQn 1 */
}
/**
* @brief This function handles DMA2 stream7 global interrupt.
*/
void DMA2_Stream7_IRQHandler(void)
{
/* USER CODE BEGIN DMA2_Stream7_IRQn 0 */
if(LL_DMA_IsActiveFlag_TC7(DMA2) == 1)
{
DMA2_Stream7_TransferComplete();
u_tx_flg = 0;//indicate that transfer compete
}
else if(LL_DMA_IsActiveFlag_TE7(DMA2) == 1)
{
LL_DMA_ClearFlag_TE7(DMA2);
}
/* USER CODE END DMA2_Stream7_IRQn 0 */
/* USER CODE BEGIN DMA2_Stream7_IRQn 1 */
/* USER CODE END DMA2_Stream7_IRQn 1 */
}
/* USER CODE BEGIN 1 */
void UART_RxCpltCallback(void)
{
uart_buf = LL_USART_ReceiveData8(USART1);
switch (UART_rec_incr)
{
case 0:
TO6_uart = TO6;//Save the time of start rec. command
flg_tmt = 1;//Set the timeout flag
UART_header = uart_buf;
UART_rec_incr++;
break;
case 1:
UART_header += ((uint16_t)uart_buf<<8);
switch (UART_header)
{
case 0x1111: //received long packet
UART_rec_incr = 2;//timeout flag is still setting!
break;
case 0x2222: //Back to default
UART_rec_incr = 0;
flg_tmt = 0;//Reset the timeout flag
CPU_state = DEFAULT_ENABLE;
break;
case 0x3333: //Transmith saved DATA
UART_rec_incr = 0;
flg_tmt = 0;//Reset the timeout flag
CPU_state = TRANS_S_ENABLE;
break;
case 0x4444: //Received packet
UART_rec_incr = 0;
flg_tmt = 0;//Reset the timeout flag
CPU_state = TRANS_ENABLE;
break;
case 0x5555: //Erase saved DATA
UART_rec_incr = 0;
flg_tmt = 0;//Reset the timeout flag
CPU_state = REMOVE_FILE;
break;
case 0x6666: //Request state
UART_rec_incr = 0;
flg_tmt = 0;//Reset the timeout flag
CPU_state = STATE;
break;
case 0x7777:
UART_rec_incr = 2;//timeout flag is still setting!
break;
default: //error decoding header
UART_rec_incr = 0;
flg_tmt = 0;//Reset the timeout flag
//UART_transmission_request = MESS_01;
//CPU_state = HALT;
State_Data[0] |= UART_ERR;
CPU_state = DEFAULT_ENABLE;//Parking system and send error state!
break;
}
break;
case (CL_8 - 1):
if (UART_header == 0x1111)
{
if ((UART_rec_incr & 0x0001) > 0)
COMMAND[(UART_rec_incr >> 1) - 1] += ((uint16_t)(uart_buf)) << 8;
else
COMMAND[(UART_rec_incr >> 1) - 1] = (uint16_t)(uart_buf);
CPU_state = DECODE_ENABLE;
UART_rec_incr = 0;
flg_tmt = 0;//Reset the timeout flag
}
else
{
if ((UART_rec_incr&0x0001)>0)
COMMAND[(UART_rec_incr>>1)-1] += ((uint16_t)(uart_buf))<<8;
else
COMMAND[(UART_rec_incr>>1)-1] = (uint16_t)(uart_buf);
UART_rec_incr++;
UART_transmission_request = NO_MESS;
}
break;
case (TSK_8 - 1):
if (UART_header == 0x7777)
{
if ((UART_rec_incr&0x0001)>0)
COMMAND[(UART_rec_incr>>1)-1] += ((uint16_t)(uart_buf))<<8;
else
COMMAND[(UART_rec_incr>>1)-1] = (uint16_t)(uart_buf);
CPU_state = DECODE_TASK;
UART_rec_incr = 0;
flg_tmt = 0;//Reset the timeout flag
}
else
{
if ((UART_rec_incr&0x0001)>0)
COMMAND[(UART_rec_incr>>1)-1] += ((uint16_t)(uart_buf))<<8;
else
COMMAND[(UART_rec_incr>>1)-1] = (uint16_t)(uart_buf);
UART_rec_incr++;
UART_transmission_request = NO_MESS;
}
break;
default:
if ((UART_rec_incr&0x0001)>0)
COMMAND[(UART_rec_incr>>1)-1] += ((uint16_t)(uart_buf))<<8;
else
COMMAND[(UART_rec_incr>>1)-1] = (uint16_t)(uart_buf);
UART_rec_incr++;
UART_transmission_request = NO_MESS;
break;
}
// HAL_UART_Receive_IT(&huart1, &uart_buf, 1);
}
//-----------------------------------------------
void DMA2_Stream7_TransferComplete(void)
{
LL_DMA_ClearFlag_TC7(DMA2);
}
//-----------------------------------------------
/* USER CODE END 1 */

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/**
******************************************************************************
* @file syscalls.c
* @author Auto-generated by STM32CubeMX
* @brief Minimal System calls file
*
* For more information about which c-functions
* need which of these lowlevel functions
* please consult the Newlib libc-manual
******************************************************************************
* @attention
*
* Copyright (c) 2020-2024 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.
*
******************************************************************************
*/
/* Includes */
#include <sys/stat.h>
#include <stdlib.h>
#include <errno.h>
#include <stdio.h>
#include <signal.h>
#include <time.h>
#include <sys/time.h>
#include <sys/times.h>
/* Variables */
extern int __io_putchar(int ch) __attribute__((weak));
extern int __io_getchar(void) __attribute__((weak));
char *__env[1] = { 0 };
char **environ = __env;
/* Functions */
void initialise_monitor_handles()
{
}
int _getpid(void)
{
return 1;
}
int _kill(int pid, int sig)
{
(void)pid;
(void)sig;
errno = EINVAL;
return -1;
}
void _exit (int status)
{
_kill(status, -1);
while (1) {} /* Make sure we hang here */
}
__attribute__((weak)) int _read(int file, char *ptr, int len)
{
(void)file;
int DataIdx;
for (DataIdx = 0; DataIdx < len; DataIdx++)
{
*ptr++ = __io_getchar();
}
return len;
}
__attribute__((weak)) int _write(int file, char *ptr, int len)
{
(void)file;
int DataIdx;
for (DataIdx = 0; DataIdx < len; DataIdx++)
{
__io_putchar(*ptr++);
}
return len;
}
int _close(int file)
{
(void)file;
return -1;
}
int _fstat(int file, struct stat *st)
{
(void)file;
st->st_mode = S_IFCHR;
return 0;
}
int _isatty(int file)
{
(void)file;
return 1;
}
int _lseek(int file, int ptr, int dir)
{
(void)file;
(void)ptr;
(void)dir;
return 0;
}
int _open(char *path, int flags, ...)
{
(void)path;
(void)flags;
/* Pretend like we always fail */
return -1;
}
int _wait(int *status)
{
(void)status;
errno = ECHILD;
return -1;
}
int _unlink(char *name)
{
(void)name;
errno = ENOENT;
return -1;
}
int _times(struct tms *buf)
{
(void)buf;
return -1;
}
int _stat(char *file, struct stat *st)
{
(void)file;
st->st_mode = S_IFCHR;
return 0;
}
int _link(char *old, char *new)
{
(void)old;
(void)new;
errno = EMLINK;
return -1;
}
int _fork(void)
{
errno = EAGAIN;
return -1;
}
int _execve(char *name, char **argv, char **env)
{
(void)name;
(void)argv;
(void)env;
errno = ENOMEM;
return -1;
}

79
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/**
******************************************************************************
* @file sysmem.c
* @author Generated by STM32CubeMX
* @brief System Memory calls file
*
* For more information about which C functions
* need which of these lowlevel functions
* please consult the newlib libc manual
******************************************************************************
* @attention
*
* Copyright (c) 2024 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.
*
******************************************************************************
*/
/* Includes */
#include <errno.h>
#include <stdint.h>
/**
* Pointer to the current high watermark of the heap usage
*/
static uint8_t *__sbrk_heap_end = NULL;
/**
* @brief _sbrk() allocates memory to the newlib heap and is used by malloc
* and others from the C library
*
* @verbatim
* ############################################################################
* # .data # .bss # newlib heap # MSP stack #
* # # # # Reserved by _Min_Stack_Size #
* ############################################################################
* ^-- RAM start ^-- _end _estack, RAM end --^
* @endverbatim
*
* This implementation starts allocating at the '_end' linker symbol
* The '_Min_Stack_Size' linker symbol reserves a memory for the MSP stack
* The implementation considers '_estack' linker symbol to be RAM end
* NOTE: If the MSP stack, at any point during execution, grows larger than the
* reserved size, please increase the '_Min_Stack_Size'.
*
* @param incr Memory size
* @return Pointer to allocated memory
*/
void *_sbrk(ptrdiff_t incr)
{
extern uint8_t _end; /* Symbol defined in the linker script */
extern uint8_t _estack; /* Symbol defined in the linker script */
extern uint32_t _Min_Stack_Size; /* Symbol defined in the linker script */
const uint32_t stack_limit = (uint32_t)&_estack - (uint32_t)&_Min_Stack_Size;
const uint8_t *max_heap = (uint8_t *)stack_limit;
uint8_t *prev_heap_end;
/* Initialize heap end at first call */
if (NULL == __sbrk_heap_end)
{
__sbrk_heap_end = &_end;
}
/* Protect heap from growing into the reserved MSP stack */
if (__sbrk_heap_end + incr > max_heap)
{
errno = ENOMEM;
return (void *)-1;
}
prev_heap_end = __sbrk_heap_end;
__sbrk_heap_end += incr;
return (void *)prev_heap_end;
}

259
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/**
******************************************************************************
* @file system_stm32f7xx.c
* @author MCD Application Team
* @brief CMSIS Cortex-M7 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_stm32f7xx.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
*
* Copyright (c) 2016 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.
*
******************************************************************************
*/
/** @addtogroup CMSIS
* @{
*/
/** @addtogroup stm32f7xx_system
* @{
*/
/** @addtogroup STM32F7xx_System_Private_Includes
* @{
*/
#include "stm32f7xx.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 STM32F7xx_System_Private_TypesDefinitions
* @{
*/
/**
* @}
*/
/** @addtogroup STM32F7xx_System_Private_Defines
* @{
*/
/************************* Miscellaneous Configuration ************************/
/* Note: Following vector table addresses must be defined in line with linker
configuration. */
/*!< Uncomment the following line if you need to relocate the vector table
anywhere in Flash or Sram, else the vector table is kept at the automatic
remap of boot address selected */
/* #define USER_VECT_TAB_ADDRESS */
#if defined(USER_VECT_TAB_ADDRESS)
/*!< Uncomment the following line if you need to relocate your vector Table
in Sram else user remap will be done in Flash. */
/* #define VECT_TAB_SRAM */
#if defined(VECT_TAB_SRAM)
#define VECT_TAB_BASE_ADDRESS RAMDTCM_BASE /*!< Vector Table base address field.
This value must be a multiple of 0x200. */
#define VECT_TAB_OFFSET 0x00000000U /*!< Vector Table base offset field.
This value must be a multiple of 0x200. */
#else
#define VECT_TAB_BASE_ADDRESS FLASH_BASE /*!< Vector Table base address field.
This value must be a multiple of 0x200. */
#define VECT_TAB_OFFSET 0x00000000U /*!< Vector Table base offset field.
This value must be a multiple of 0x200. */
#endif /* VECT_TAB_SRAM */
#endif /* USER_VECT_TAB_ADDRESS */
/******************************************************************************/
/**
* @}
*/
/** @addtogroup STM32F7xx_System_Private_Macros
* @{
*/
/**
* @}
*/
/** @addtogroup STM32F7xx_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 STM32F7xx_System_Private_FunctionPrototypes
* @{
*/
/**
* @}
*/
/** @addtogroup STM32F7xx_System_Private_Functions
* @{
*/
/**
* @brief Setup the microcontroller system
* Initialize the Embedded Flash Interface, the PLL and update the
* SystemFrequency variable.
* @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
/* Configure the Vector Table location -------------------------------------*/
#if defined(USER_VECT_TAB_ADDRESS)
SCB->VTOR = VECT_TAB_BASE_ADDRESS | VECT_TAB_OFFSET; /* Vector Table Relocation in Internal SRAM */
#endif /* USER_VECT_TAB_ADDRESS */
}
/**
* @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 stm32f7xx_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 stm32f7xx_hal_conf.h file (default value
* 25 MHz), 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;
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/