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- /*-----------------------------------------------------------------------*/
- /* Low level disk I/O module skeleton for FatFs (C)ChaN, 2017 */
- /* */
- /* Portions COPYRIGHT 2017 STMicroelectronics */
- /* Portions Copyright (C) 2017, ChaN, all right reserved */
- /*-----------------------------------------------------------------------*/
- /* If a working storage control module is available, it should be */
- /* attached to the FatFs via a glue function rather than modifying it. */
- /* This is an example of glue functions to attach various existing */
- /* storage control modules to the FatFs module with a defined API. */
- /*-----------------------------------------------------------------------*/
-
- /* Includes ------------------------------------------------------------------*/
- #include "diskio.h"
- #include "ff_gen_drv.h"
-
- #if defined ( __GNUC__ )
- #ifndef __weak
- #define __weak __attribute__((weak))
- #endif
- #endif
-
- /* Private typedef -----------------------------------------------------------*/
- /* Private define ------------------------------------------------------------*/
- /* Private variables ---------------------------------------------------------*/
- extern Disk_drvTypeDef disk;
-
- /* Private function prototypes -----------------------------------------------*/
- /* Private functions ---------------------------------------------------------*/
-
- /**
- * @brief Gets Disk Status
- * @param pdrv: Physical drive number (0..)
- * @retval DSTATUS: Operation status
- */
- DSTATUS disk_status (
- BYTE pdrv /* Physical drive number to identify the drive */
- )
- {
- DSTATUS stat;
-
- stat = disk.drv[pdrv]->disk_status(disk.lun[pdrv]);
- return stat;
- }
-
- /**
- * @brief Initializes a Drive
- * @param pdrv: Physical drive number (0..)
- * @retval DSTATUS: Operation status
- */
- DSTATUS disk_initialize (
- BYTE pdrv /* Physical drive nmuber to identify the drive */
- )
- {
- DSTATUS stat = RES_OK;
-
- if(disk.is_initialized[pdrv] == 0)
- {
- disk.is_initialized[pdrv] = 1;
- stat = disk.drv[pdrv]->disk_initialize(disk.lun[pdrv]);
- }
- return stat;
- }
-
- /**
- * @brief Reads Sector(s)
- * @param pdrv: Physical drive number (0..)
- * @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 disk_read (
- BYTE pdrv, /* Physical drive nmuber to identify the drive */
- BYTE *buff, /* Data buffer to store read data */
- DWORD sector, /* Sector address in LBA */
- UINT count /* Number of sectors to read */
- )
- {
- DRESULT res;
-
- res = disk.drv[pdrv]->disk_read(disk.lun[pdrv], buff, sector, count);
- return res;
- }
-
- /**
- * @brief Writes Sector(s)
- * @param pdrv: Physical drive number (0..)
- * @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 disk_write (
- BYTE pdrv, /* Physical drive nmuber to identify the drive */
- const BYTE *buff, /* Data to be written */
- DWORD sector, /* Sector address in LBA */
- UINT count /* Number of sectors to write */
- )
- {
- DRESULT res;
-
- res = disk.drv[pdrv]->disk_write(disk.lun[pdrv], buff, sector, count);
- return res;
- }
- #endif /* _USE_WRITE == 1 */
-
- /**
- * @brief I/O control operation
- * @param pdrv: Physical drive number (0..)
- * @param cmd: Control code
- * @param *buff: Buffer to send/receive control data
- * @retval DRESULT: Operation result
- */
- #if _USE_IOCTL == 1
- DRESULT disk_ioctl (
- BYTE pdrv, /* Physical drive nmuber (0..) */
- BYTE cmd, /* Control code */
- void *buff /* Buffer to send/receive control data */
- )
- {
- DRESULT res;
-
- res = disk.drv[pdrv]->disk_ioctl(disk.lun[pdrv], cmd, buff);
- return res;
- }
- #endif /* _USE_IOCTL == 1 */
-
- /**
- * @brief Gets Time from RTC
- * @param None
- * @retval Time in DWORD
- */
- __weak DWORD get_fattime (void)
- {
- return 0;
- }
-
- /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
-
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