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Initial setup

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Oliver Walter
2024-02-01 21:31:10 +01:00
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307
FATFS/Target/bsp_driver_sd.c Normal file
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/* USER CODE BEGIN Header */
/**
******************************************************************************
* @file bsp_driver_sd.c for H7 (based on stm32h743i_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) 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.
*
******************************************************************************
*/
/* USER CODE END Header */
/* 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 */
/**
* @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 bsp_driver_sd.h (based on stm32h743i_eval_sd.h)
* @brief This file contains the common defines and functions prototypes for
* the bsp_driver_sd.c driver.
******************************************************************************
* @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.
*
******************************************************************************
*/
/* USER CODE END Header */
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __STM32H7_SD_H
#define __STM32H7_SD_H
#ifdef __cplusplus
extern "C" {
#endif
/* Includes ------------------------------------------------------------------*/
#include "stm32h7xx_hal.h"
#include "fatfs_platform.h"
/* Exported types --------------------------------------------------------*/
/**
* @brief SD Card information structure
*/
#define BSP_SD_CardInfo HAL_SD_CardInfoTypeDef
/* Exported constants --------------------------------------------------------*/
/**
* @brief SD status structure definition
*/
#define MSD_OK ((uint8_t)0x00)
#define MSD_ERROR ((uint8_t)0x01)
#define MSD_ERROR_SD_NOT_PRESENT ((uint8_t)0x02)
/**
* @brief SD transfer state definition
*/
#define SD_TRANSFER_OK ((uint8_t)0x00)
#define SD_TRANSFER_BUSY ((uint8_t)0x01)
#define SD_PRESENT ((uint8_t)0x01)
#define SD_NOT_PRESENT ((uint8_t)0x00)
#define SD_DATATIMEOUT ((uint32_t)100000000)
/* USER CODE BEGIN BSP_H_CODE */
#define SD_DetectIRQHandler() HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_8)
/* Exported functions --------------------------------------------------------*/
uint8_t BSP_SD_Init(void);
uint8_t BSP_SD_ITConfig(void);
uint8_t BSP_SD_ReadBlocks(uint32_t *pData, uint32_t ReadAddr, uint32_t NumOfBlocks, uint32_t Timeout);
uint8_t BSP_SD_WriteBlocks(uint32_t *pData, uint32_t WriteAddr, uint32_t NumOfBlocks, uint32_t Timeout);
uint8_t BSP_SD_ReadBlocks_DMA(uint32_t *pData, uint32_t ReadAddr, uint32_t NumOfBlocks);
uint8_t BSP_SD_WriteBlocks_DMA(uint32_t *pData, uint32_t WriteAddr, uint32_t NumOfBlocks);
uint8_t BSP_SD_Erase(uint32_t StartAddr, uint32_t EndAddr);
uint8_t BSP_SD_GetCardState(void);
void BSP_SD_GetCardInfo(BSP_SD_CardInfo *CardInfo);
uint8_t BSP_SD_IsDetected(void);
/* These functions can be modified in case the current settings (e.g. DMA stream)
need to be changed for specific application needs */
void BSP_SD_AbortCallback(void);
void BSP_SD_WriteCpltCallback(void);
void BSP_SD_ReadCpltCallback(void);
/* USER CODE END BSP_H_CODE */
#ifdef __cplusplus
}
#endif
#endif /* __STM32H7_SD_H */

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/* USER CODE BEGIN Header */
/**
******************************************************************************
* @file : fatfs_platform.c
* @brief : fatfs_platform source file
******************************************************************************
* @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.
*
******************************************************************************
*/
/* 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 : fatfs_platform.h
* @brief : fatfs_platform header file
******************************************************************************
* @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.
*
******************************************************************************
*/
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "stm32h7xx_hal.h"
/* Defines ------------------------------------------------------------------*/
#define SD_PRESENT ((uint8_t)0x01) /* also in bsp_driver_sd.h */
#define SD_NOT_PRESENT ((uint8_t)0x00) /* also in bsp_driver_sd.h */
#define SD_DETECT_PIN GPIO_PIN_15
#define SD_DETECT_GPIO_PORT GPIOA
/* Prototypes ---------------------------------------------------------------*/
uint8_t BSP_PlatformIsDetected(void);

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/* USER CODE BEGIN Header */
/**
******************************************************************************
* FatFs - Generic FAT file system module R0.12c (C)ChaN, 2017
******************************************************************************
* @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.
*
******************************************************************************
*/
/* USER CODE END Header */
#ifndef _FFCONF
#define _FFCONF 68300 /* Revision ID */
/*-----------------------------------------------------------------------------/
/ Additional user header to be used
/-----------------------------------------------------------------------------*/
#include "main.h"
#include "stm32h7xx_hal.h"
#include "bsp_driver_sd.h"
#include "cmsis_os.h" /* _FS_REENTRANT set to 1 and CMSIS API chosen */
/*-----------------------------------------------------------------------------/
/ Function Configurations
/-----------------------------------------------------------------------------*/
#define _FS_READONLY 0 /* 0:Read/Write or 1:Read only */
/* This option switches read-only configuration. (0:Read/Write or 1:Read-only)
/ Read-only configuration removes writing API functions, f_write(), f_sync(),
/ f_unlink(), f_mkdir(), f_chmod(), f_rename(), f_truncate(), f_getfree()
/ and optional writing functions as well. */
#define _FS_MINIMIZE 0 /* 0 to 3 */
/* This option defines minimization level to remove some basic API functions.
/
/ 0: All basic functions are enabled.
/ 1: f_stat(), f_getfree(), f_unlink(), f_mkdir(), f_truncate() and f_rename()
/ are removed.
/ 2: f_opendir(), f_readdir() and f_closedir() are removed in addition to 1.
/ 3: f_lseek() function is removed in addition to 2. */
#define _USE_STRFUNC 2 /* 0:Disable or 1-2:Enable */
/* This option switches string functions, f_gets(), f_putc(), f_puts() and
/ f_printf().
/
/ 0: Disable string functions.
/ 1: Enable without LF-CRLF conversion.
/ 2: Enable with LF-CRLF conversion. */
#define _USE_FIND 0
/* This option switches filtered directory read functions, f_findfirst() and
/ f_findnext(). (0:Disable, 1:Enable 2:Enable with matching altname[] too) */
#define _USE_MKFS 1
/* This option switches f_mkfs() function. (0:Disable or 1:Enable) */
#define _USE_FASTSEEK 1
/* This option switches fast seek feature. (0:Disable or 1:Enable) */
#define _USE_EXPAND 0
/* This option switches f_expand function. (0:Disable or 1:Enable) */
#define _USE_CHMOD 0
/* This option switches attribute manipulation functions, f_chmod() and f_utime().
/ (0:Disable or 1:Enable) Also _FS_READONLY needs to be 0 to enable this option. */
#define _USE_LABEL 0
/* This option switches volume label functions, f_getlabel() and f_setlabel().
/ (0:Disable or 1:Enable) */
#define _USE_FORWARD 0
/* This option switches f_forward() function. (0:Disable or 1:Enable) */
/*-----------------------------------------------------------------------------/
/ Locale and Namespace Configurations
/-----------------------------------------------------------------------------*/
#define _CODE_PAGE 850
/* This option specifies the OEM code page to be used on the target system.
/ Incorrect setting of the code page can cause a file open failure.
/
/ 1 - ASCII (No extended character. Non-LFN cfg. only)
/ 437 - U.S.
/ 720 - Arabic
/ 737 - Greek
/ 771 - KBL
/ 775 - Baltic
/ 850 - Latin 1
/ 852 - Latin 2
/ 855 - Cyrillic
/ 857 - Turkish
/ 860 - Portuguese
/ 861 - Icelandic
/ 862 - Hebrew
/ 863 - Canadian French
/ 864 - Arabic
/ 865 - Nordic
/ 866 - Russian
/ 869 - Greek 2
/ 932 - Japanese (DBCS)
/ 936 - Simplified Chinese (DBCS)
/ 949 - Korean (DBCS)
/ 950 - Traditional Chinese (DBCS)
*/
#define _USE_LFN 0 /* 0 to 3 */
#define _MAX_LFN 255 /* Maximum LFN length to handle (12 to 255) */
/* The _USE_LFN switches the support of long file name (LFN).
/
/ 0: Disable support of LFN. _MAX_LFN has no effect.
/ 1: Enable LFN with static working buffer on the BSS. Always NOT thread-safe.
/ 2: Enable LFN with dynamic working buffer on the STACK.
/ 3: Enable LFN with dynamic working buffer on the HEAP.
/
/ To enable the LFN, Unicode handling functions (option/unicode.c) must be added
/ to the project. The working buffer occupies (_MAX_LFN + 1) * 2 bytes and
/ additional 608 bytes at exFAT enabled. _MAX_LFN can be in range from 12 to 255.
/ It should be set 255 to support full featured LFN operations.
/ When use stack for the working buffer, take care on stack overflow. When use heap
/ memory for the working buffer, memory management functions, ff_memalloc() and
/ ff_memfree(), must be added to the project. */
#define _LFN_UNICODE 0 /* 0:ANSI/OEM or 1:Unicode */
/* This option switches character encoding on the API. (0:ANSI/OEM or 1:UTF-16)
/ To use Unicode string for the path name, enable LFN and set _LFN_UNICODE = 1.
/ This option also affects behavior of string I/O functions. */
#define _STRF_ENCODE 3
/* When _LFN_UNICODE == 1, this option selects the character encoding ON THE FILE to
/ be read/written via string I/O functions, f_gets(), f_putc(), f_puts and f_printf().
/
/ 0: ANSI/OEM
/ 1: UTF-16LE
/ 2: UTF-16BE
/ 3: UTF-8
/
/ This option has no effect when _LFN_UNICODE == 0. */
#define _FS_RPATH 0 /* 0 to 2 */
/* This option configures support of relative path.
/
/ 0: Disable relative path and remove related functions.
/ 1: Enable relative path. f_chdir() and f_chdrive() are available.
/ 2: f_getcwd() function is available in addition to 1.
*/
/*---------------------------------------------------------------------------/
/ Drive/Volume Configurations
/----------------------------------------------------------------------------*/
#define _VOLUMES 1
/* Number of volumes (logical drives) to be used. */
/* USER CODE BEGIN Volumes */
#define _STR_VOLUME_ID 0 /* 0:Use only 0-9 for drive ID, 1:Use strings for drive ID */
#define _VOLUME_STRS "RAM","NAND","CF","SD1","SD2","USB1","USB2","USB3"
/* _STR_VOLUME_ID switches string support of volume ID.
/ When _STR_VOLUME_ID is set to 1, also pre-defined strings can be used as drive
/ number in the path name. _VOLUME_STRS defines the drive ID strings for each
/ logical drives. Number of items must be equal to _VOLUMES. Valid characters for
/ the drive ID strings are: A-Z and 0-9. */
/* USER CODE END Volumes */
#define _MULTI_PARTITION 0 /* 0:Single partition, 1:Multiple partition */
/* This option switches support of multi-partition on a physical drive.
/ By default (0), each logical drive number is bound to the same physical drive
/ number and only an FAT volume found on the physical drive will be mounted.
/ When multi-partition is enabled (1), each logical drive number can be bound to
/ arbitrary physical drive and partition listed in the VolToPart[]. Also f_fdisk()
/ function will be available. */
#define _MIN_SS 512 /* 512, 1024, 2048 or 4096 */
#define _MAX_SS 512 /* 512, 1024, 2048 or 4096 */
/* These options configure the range of sector size to be supported. (512, 1024,
/ 2048 or 4096) Always set both 512 for most systems, all type of memory cards and
/ harddisk. But a larger value may be required for on-board flash memory and some
/ type of optical media. When _MAX_SS is larger than _MIN_SS, FatFs is configured
/ to variable sector size and GET_SECTOR_SIZE command must be implemented to the
/ disk_ioctl() function. */
#define _USE_TRIM 0
/* This option switches support of ATA-TRIM. (0:Disable or 1:Enable)
/ To enable Trim function, also CTRL_TRIM command should be implemented to the
/ disk_ioctl() function. */
#define _FS_NOFSINFO 0 /* 0,1,2 or 3 */
/* If you need to know correct free space on the FAT32 volume, set bit 0 of this
/ option, and f_getfree() function at first time after volume mount will force
/ a full FAT scan. Bit 1 controls the use of last allocated cluster number.
/
/ bit0=0: Use free cluster count in the FSINFO if available.
/ bit0=1: Do not trust free cluster count in the FSINFO.
/ bit1=0: Use last allocated cluster number in the FSINFO if available.
/ bit1=1: Do not trust last allocated cluster number in the FSINFO.
*/
/*---------------------------------------------------------------------------/
/ System Configurations
/----------------------------------------------------------------------------*/
#define _FS_TINY 0 /* 0:Normal or 1:Tiny */
/* This option switches tiny buffer configuration. (0:Normal or 1:Tiny)
/ At the tiny configuration, size of file object (FIL) is reduced _MAX_SS bytes.
/ Instead of private sector buffer eliminated from the file object, common sector
/ buffer in the file system object (FATFS) is used for the file data transfer. */
#define _FS_EXFAT 0
/* This option switches support of exFAT file system. (0:Disable or 1:Enable)
/ When enable exFAT, also LFN needs to be enabled. (_USE_LFN >= 1)
/ Note that enabling exFAT discards C89 compatibility. */
#define _FS_NORTC 0
#define _NORTC_MON 6
#define _NORTC_MDAY 4
#define _NORTC_YEAR 2015
/* The option _FS_NORTC switches timestamp functiton. If the system does not have
/ any RTC function or valid timestamp is not needed, set _FS_NORTC = 1 to disable
/ the timestamp function. All objects modified by FatFs will have a fixed timestamp
/ defined by _NORTC_MON, _NORTC_MDAY and _NORTC_YEAR in local time.
/ To enable timestamp function (_FS_NORTC = 0), get_fattime() function need to be
/ added to the project to get current time form real-time clock. _NORTC_MON,
/ _NORTC_MDAY and _NORTC_YEAR have no effect.
/ These options have no effect at read-only configuration (_FS_READONLY = 1). */
#define _FS_LOCK 2 /* 0:Disable or >=1:Enable */
/* The option _FS_LOCK switches file lock function to control duplicated file open
/ and illegal operation to open objects. This option must be 0 when _FS_READONLY
/ is 1.
/
/ 0: Disable file lock function. To avoid volume corruption, application program
/ should avoid illegal open, remove and rename to the open objects.
/ >0: Enable file lock function. The value defines how many files/sub-directories
/ can be opened simultaneously under file lock control. Note that the file
/ lock control is independent of re-entrancy. */
#define _FS_REENTRANT 1 /* 0:Disable or 1:Enable */
#define _USE_MUTEX 0 /* 0:Disable or 1:Enable */
#define _FS_TIMEOUT 1000 /* Timeout period in unit of time ticks */
#define _SYNC_t osSemaphoreId_t
/* The option _FS_REENTRANT switches the re-entrancy (thread safe) of the FatFs
/ module itself. Note that regardless of this option, file access to different
/ volume is always re-entrant and volume control functions, f_mount(), f_mkfs()
/ and f_fdisk() function, are always not re-entrant. Only file/directory access
/ to the same volume is under control of this function.
/
/ 0: Disable re-entrancy. _FS_TIMEOUT and _SYNC_t have no effect.
/ 1: Enable re-entrancy. Also user provided synchronization handlers,
/ ff_req_grant(), ff_rel_grant(), ff_del_syncobj() and ff_cre_syncobj()
/ function, must be added to the project. Samples are available in
/ option/syscall.c.
/
/ The _FS_TIMEOUT defines timeout period in unit of time tick.
/ The _SYNC_t defines O/S dependent sync object type. e.g. HANDLE, ID, OS_EVENT*,
/ SemaphoreHandle_t and etc.. A header file for O/S definitions needs to be
/ included somewhere in the scope of ff.h. */
/* define the ff_malloc ff_free macros as FreeRTOS pvPortMalloc and vPortFree macros */
#if !defined(ff_malloc) && !defined(ff_free)
#define ff_malloc pvPortMalloc
#define ff_free vPortFree
#endif
#endif /* _FFCONF */

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/* USER CODE BEGIN Header */
/**
******************************************************************************
* @file sd_diskio.c
* @brief SD Disk I/O driver
******************************************************************************
* @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.
*
******************************************************************************
*/
/* USER CODE END Header */
/* Note: code generation based on sd_diskio_dma_rtos_template_bspv1.c v2.1.4
as FreeRTOS is enabled. */
/* 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"
#include <string.h>
#include <stdio.h>
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
#define QUEUE_SIZE (uint32_t) 10
#define READ_CPLT_MSG (uint32_t) 1
#define WRITE_CPLT_MSG (uint32_t) 2
/*
==================================================================
enable the defines below to send custom rtos messages
when an error or an abort occurs.
Notice: depending on the HAL/SD driver the HAL_SD_ErrorCallback()
may not be available.
See BSP_SD_ErrorCallback() and BSP_SD_AbortCallback() below
==================================================================
#define RW_ERROR_MSG (uint32_t) 3
#define RW_ABORT_MSG (uint32_t) 4
*/
/*
* the following Timeout is useful to give the control back to the applications
* in case of errors in either BSP_SD_ReadCpltCallback() or BSP_SD_WriteCpltCallback()
* the value by default is as defined in the BSP platform driver otherwise 30 secs
*/
#define SD_TIMEOUT 30 * 1000
#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 */
/*
* when using cacheable memory region, it may be needed to maintain the cache
* validity. Enable the define below to activate a cache maintenance at each
* read and write operation.
* Notice: This is applicable only for cortex M7 based platform.
*/
/* USER CODE BEGIN enableSDDmaCacheMaintenance */
/* #define ENABLE_SD_DMA_CACHE_MAINTENANCE 1 */
/* USER CODE END enableSDDmaCacheMaintenance */
/*
* Some DMA requires 4-Byte aligned address buffer to correctly read/write data,
* in FatFs some accesses aren't thus we need a 4-byte aligned scratch buffer to correctly
* transfer data
*/
/* USER CODE BEGIN enableScratchBuffer */
/* #define ENABLE_SCRATCH_BUFFER */
/* USER CODE END enableScratchBuffer */
/* Private variables ---------------------------------------------------------*/
#if defined(ENABLE_SCRATCH_BUFFER)
#if defined (ENABLE_SD_DMA_CACHE_MAINTENANCE)
ALIGN_32BYTES(static uint8_t scratch[BLOCKSIZE]); // 32-Byte aligned for cache maintenance
#else
__ALIGN_BEGIN static uint8_t scratch[BLOCKSIZE] __ALIGN_END;
#endif
#endif
/* Disk status */
static volatile DSTATUS Stat = STA_NOINIT;
#if (osCMSIS <= 0x20000U)
static osMessageQId SDQueueID = NULL;
#else
static osMessageQueueId_t SDQueueID = NULL;
#endif
/* 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 int SD_CheckStatusWithTimeout(uint32_t timeout)
{
uint32_t timer;
/* block until SDIO peripheral is ready again or a timeout occur */
#if (osCMSIS <= 0x20000U)
timer = osKernelSysTick();
while( osKernelSysTick() - timer < timeout)
#else
timer = osKernelGetTickCount();
while( osKernelGetTickCount() - timer < timeout)
#endif
{
if (BSP_SD_GetCardState() == SD_TRANSFER_OK)
{
return 0;
}
}
return -1;
}
static DSTATUS SD_CheckStatus(BYTE lun)
{
Stat = STA_NOINIT;
if(BSP_SD_GetCardState() == SD_TRANSFER_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;
/*
* check that the kernel has been started before continuing
* as the osMessage API will fail otherwise
*/
#if (osCMSIS <= 0x20000U)
if(osKernelRunning())
#else
if(osKernelGetState() == osKernelRunning)
#endif
{
#if !defined(DISABLE_SD_INIT)
if(BSP_SD_Init() == MSD_OK)
{
Stat = SD_CheckStatus(lun);
}
#else
Stat = SD_CheckStatus(lun);
#endif
/*
* if the SD is correctly initialized, create the operation queue
* if not already created
*/
if (Stat != STA_NOINIT)
{
if (SDQueueID == NULL)
{
#if (osCMSIS <= 0x20000U)
osMessageQDef(SD_Queue, QUEUE_SIZE, uint16_t);
SDQueueID = osMessageCreate (osMessageQ(SD_Queue), NULL);
#else
SDQueueID = osMessageQueueNew(QUEUE_SIZE, 2, NULL);
#endif
}
if (SDQueueID == NULL)
{
Stat |= STA_NOINIT;
}
}
}
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)
{
uint8_t ret;
DRESULT res = RES_ERROR;
uint32_t timer;
#if (osCMSIS < 0x20000U)
osEvent event;
#else
uint16_t event;
osStatus_t status;
#endif
#if (ENABLE_SD_DMA_CACHE_MAINTENANCE == 1)
uint32_t alignedAddr;
#endif
/*
* ensure the SDCard is ready for a new operation
*/
if (SD_CheckStatusWithTimeout(SD_TIMEOUT) < 0)
{
return res;
}
#if defined(ENABLE_SCRATCH_BUFFER)
if (!((uint32_t)buff & 0x3))
{
#endif
/* Fast path cause destination buffer is correctly aligned */
ret = BSP_SD_ReadBlocks_DMA((uint32_t*)buff, (uint32_t)(sector), count);
if (ret == MSD_OK) {
#if (osCMSIS < 0x20000U)
/* wait for a message from the queue or a timeout */
event = osMessageGet(SDQueueID, SD_TIMEOUT);
if (event.status == osEventMessage)
{
if (event.value.v == READ_CPLT_MSG)
{
timer = osKernelSysTick();
/* block until SDIO IP is ready or a timeout occur */
while(osKernelSysTick() - timer <SD_TIMEOUT)
#else
status = osMessageQueueGet(SDQueueID, (void *)&event, NULL, SD_TIMEOUT);
if ((status == osOK) && (event == READ_CPLT_MSG))
{
timer = osKernelGetTickCount();
/* block until SDIO IP is ready or a timeout occur */
while(osKernelGetTickCount() - timer <SD_TIMEOUT)
#endif
{
if (BSP_SD_GetCardState() == SD_TRANSFER_OK)
{
res = RES_OK;
#if (ENABLE_SD_DMA_CACHE_MAINTENANCE == 1)
/*
the SCB_InvalidateDCache_by_Addr() requires a 32-Byte aligned address,
adjust the address and the D-Cache size to invalidate accordingly.
*/
alignedAddr = (uint32_t)buff & ~0x1F;
SCB_InvalidateDCache_by_Addr((uint32_t*)alignedAddr, count*BLOCKSIZE + ((uint32_t)buff - alignedAddr));
#endif
break;
}
}
#if (osCMSIS < 0x20000U)
}
}
#else
}
#endif
}
#if defined(ENABLE_SCRATCH_BUFFER)
}
else
{
/* Slow path, fetch each sector a part and memcpy to destination buffer */
int i;
for (i = 0; i < count; i++)
{
ret = BSP_SD_ReadBlocks_DMA((uint32_t*)scratch, (uint32_t)sector++, 1);
if (ret == MSD_OK )
{
/* wait until the read is successful or a timeout occurs */
#if (osCMSIS < 0x20000U)
/* wait for a message from the queue or a timeout */
event = osMessageGet(SDQueueID, SD_TIMEOUT);
if (event.status == osEventMessage)
{
if (event.value.v == READ_CPLT_MSG)
{
timer = osKernelSysTick();
/* block until SDIO IP is ready or a timeout occur */
while(osKernelSysTick() - timer <SD_TIMEOUT)
#else
status = osMessageQueueGet(SDQueueID, (void *)&event, NULL, SD_TIMEOUT);
if ((status == osOK) && (event == READ_CPLT_MSG))
{
timer = osKernelGetTickCount();
/* block until SDIO IP is ready or a timeout occur */
ret = MSD_ERROR;
while(osKernelGetTickCount() - timer < SD_TIMEOUT)
#endif
{
ret = BSP_SD_GetCardState();
if (ret == MSD_OK)
{
break;
}
}
if (ret != MSD_OK)
{
break;
}
#if (osCMSIS < 0x20000U)
}
}
#else
}
#endif
#if (ENABLE_SD_DMA_CACHE_MAINTENANCE == 1)
/*
*
* invalidate the scratch buffer before the next read to get the actual data instead of the cached one
*/
SCB_InvalidateDCache_by_Addr((uint32_t*)scratch, BLOCKSIZE);
#endif
memcpy(buff, scratch, BLOCKSIZE);
buff += BLOCKSIZE;
}
else
{
break;
}
}
if ((i == count) && (ret == MSD_OK ))
res = RES_OK;
}
#endif
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;
uint32_t timer;
#if (osCMSIS < 0x20000U)
osEvent event;
#else
uint16_t event;
osStatus_t status;
#endif
#if defined(ENABLE_SCRATCH_BUFFER)
int32_t ret;
#endif
/*
* ensure the SDCard is ready for a new operation
*/
if (SD_CheckStatusWithTimeout(SD_TIMEOUT) < 0)
{
return res;
}
#if defined(ENABLE_SCRATCH_BUFFER)
if (!((uint32_t)buff & 0x3))
{
#endif
#if (ENABLE_SD_DMA_CACHE_MAINTENANCE == 1)
uint32_t alignedAddr;
/*
the SCB_CleanDCache_by_Addr() requires a 32-Byte aligned address
adjust the address and the D-Cache size to clean accordingly.
*/
alignedAddr = (uint32_t)buff & ~0x1F;
SCB_CleanDCache_by_Addr((uint32_t*)alignedAddr, count*BLOCKSIZE + ((uint32_t)buff - alignedAddr));
#endif
if(BSP_SD_WriteBlocks_DMA((uint32_t*)buff,
(uint32_t) (sector),
count) == MSD_OK)
{
#if (osCMSIS < 0x20000U)
/* Get the message from the queue */
event = osMessageGet(SDQueueID, SD_TIMEOUT);
if (event.status == osEventMessage)
{
if (event.value.v == WRITE_CPLT_MSG)
{
#else
status = osMessageQueueGet(SDQueueID, (void *)&event, NULL, SD_TIMEOUT);
if ((status == osOK) && (event == WRITE_CPLT_MSG))
{
#endif
#if (osCMSIS < 0x20000U)
timer = osKernelSysTick();
/* block until SDIO IP is ready or a timeout occur */
while(osKernelSysTick() - timer < SD_TIMEOUT)
#else
timer = osKernelGetTickCount();
/* block until SDIO IP is ready or a timeout occur */
while(osKernelGetTickCount() - timer < SD_TIMEOUT)
#endif
{
if (BSP_SD_GetCardState() == SD_TRANSFER_OK)
{
res = RES_OK;
break;
}
}
#if (osCMSIS < 0x20000U)
}
}
#else
}
#endif
}
#if defined(ENABLE_SCRATCH_BUFFER)
else {
/* Slow path, fetch each sector a part and memcpy to destination buffer */
int i;
#if (ENABLE_SD_DMA_CACHE_MAINTENANCE == 1)
/*
* invalidate the scratch buffer before the next write to get the actual data instead of the cached one
*/
SCB_InvalidateDCache_by_Addr((uint32_t*)scratch, BLOCKSIZE);
#endif
for (i = 0; i < count; i++)
{
memcpy((void *)scratch, buff, BLOCKSIZE);
buff += BLOCKSIZE;
ret = BSP_SD_WriteBlocks_DMA((uint32_t*)scratch, (uint32_t)sector++, 1);
if (ret == MSD_OK )
{
/* wait until the read is successful or a timeout occurs */
#if (osCMSIS < 0x20000U)
/* wait for a message from the queue or a timeout */
event = osMessageGet(SDQueueID, SD_TIMEOUT);
if (event.status == osEventMessage)
{
if (event.value.v == READ_CPLT_MSG)
{
timer = osKernelSysTick();
/* block until SDIO IP is ready or a timeout occur */
while(osKernelSysTick() - timer <SD_TIMEOUT)
#else
status = osMessageQueueGet(SDQueueID, (void *)&event, NULL, SD_TIMEOUT);
if ((status == osOK) && (event == READ_CPLT_MSG))
{
timer = osKernelGetTickCount();
/* block until SDIO IP is ready or a timeout occur */
ret = MSD_ERROR;
while(osKernelGetTickCount() - timer < SD_TIMEOUT)
#endif
{
ret = BSP_SD_GetCardState();
if (ret == MSD_OK)
{
break;
}
}
if (ret != MSD_OK)
{
break;
}
#if (osCMSIS < 0x20000U)
}
}
#else
}
#endif
}
else
{
break;
}
}
if ((i == count) && (ret == MSD_OK ))
res = RES_OK;
}
}
#endif
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 callbackSection */
/* can be used to modify / following code or add new code */
/* USER CODE END callbackSection */
/**
* @brief Tx Transfer completed callbacks
* @param hsd: SD handle
* @retval None
*/
void BSP_SD_WriteCpltCallback(void)
{
/*
* No need to add an "osKernelRunning()" check here, as the SD_initialize()
* is always called before any SD_Read()/SD_Write() call
*/
#if (osCMSIS < 0x20000U)
osMessagePut(SDQueueID, WRITE_CPLT_MSG, 0);
#else
const uint16_t msg = WRITE_CPLT_MSG;
osMessageQueuePut(SDQueueID, (const void *)&msg, NULL, 0);
#endif
}
/**
* @brief Rx Transfer completed callbacks
* @param hsd: SD handle
* @retval None
*/
void BSP_SD_ReadCpltCallback(void)
{
/*
* No need to add an "osKernelRunning()" check here, as the SD_initialize()
* is always called before any SD_Read()/SD_Write() call
*/
#if (osCMSIS < 0x20000U)
osMessagePut(SDQueueID, READ_CPLT_MSG, 0);
#else
const uint16_t msg = READ_CPLT_MSG;
osMessageQueuePut(SDQueueID, (const void *)&msg, NULL, 0);
#endif
}
/* USER CODE BEGIN ErrorAbortCallbacks */
/*
void BSP_SD_AbortCallback(void)
{
#if (osCMSIS < 0x20000U)
osMessagePut(SDQueueID, RW_ABORT_MSG, 0);
#else
const uint16_t msg = RW_ABORT_MSG;
osMessageQueuePut(SDQueueID, (const void *)&msg, NULL, 0);
#endif
}
*/
/* USER CODE END ErrorAbortCallbacks */
/* 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 sd_diskio.h
* @brief Header for sd_diskio.c module
******************************************************************************
* @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.
*
******************************************************************************
*/
/* USER CODE END Header */
/* Note: code generation based on sd_diskio_dma_rtos_template.h */
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __SD_DISKIO_H
#define __SD_DISKIO_H
/* 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"
/* Exported types ------------------------------------------------------------*/
/* Exported constants --------------------------------------------------------*/
/* Exported functions ------------------------------------------------------- */
extern const Diskio_drvTypeDef SD_Driver;
/* USER CODE BEGIN lastSection */
/* can be used to modify / undefine previous code or add new definitions */
/* USER CODE END lastSection */
#endif /* __SD_DISKIO_H */