first commit for opensource

first commit for opensource

board/STM32F103_SIM800A/Hardware/fatfs_drv.c

@@ -0,0 +1,80 @@
+/* Includes ------------------------------------------------------------------*/
+
+//#include "fatfs.h"
+#include "fatfs_drv.h"
+#include "tos.h"
+#include <hal_spi_flash.h>
+/* Defines ------------------------------------------------------------------*/
+
+#define SPI_FLASH_SECTOR_SIZE   (4 * 1024)
+#define SPI_FLASH_PAGE_SIZE     256
+ DSTATUS w25q64_fatfs_status(BYTE lun)
+{
+    DSTATUS status = STA_NOINIT;
+
+    if(SPI_FLASH_ID == hal_spi_flash_get_id())
+    {
+        status &= ~STA_NOINIT;
+    }
+    return status;
+}
+
+ DSTATUS w25q64_fatfs_initialize(BYTE lun)
+{
+    DSTATUS status = STA_NOINIT;
+
+    hal_spi_flash_config();
+    hal_spi_flash_wake_up();
+    status = w25q64_fatfs_status(lun);
+    return status;
+}
+
+DRESULT w25q64_fatfs_read(BYTE lun, BYTE *buff, DWORD sector, UINT count)
+{
+    int ret;
+    ret = hal_spi_flash_read(buff, count * SPI_FLASH_SECTOR_SIZE,
+            FF_PHYS_ADDR + sector * SPI_FLASH_SECTOR_SIZE);
+    if(ret != 0)
+        return RES_ERROR;
+    return RES_OK;
+}
+
+DRESULT w25q64_fatfs_write(BYTE lun, const BYTE *buff, DWORD sector, UINT count)
+{
+    int ret;
+    ret = hal_spi_flash_erase_write(buff, count * SPI_FLASH_SECTOR_SIZE,
+            FF_PHYS_ADDR + sector * SPI_FLASH_SECTOR_SIZE);
+    if(ret != 0)
+        return RES_ERROR;
+    return RES_OK;
+}
+
+ DRESULT w25q64_fatfs_ioctl(BYTE lun, BYTE cmd, void *buff)
+{
+    DRESULT res = RES_PARERR;
+
+    switch (cmd)
+    {
+    case GET_SECTOR_COUNT:
+        *(DWORD *)buff = FF_PHYS_SIZE / SPI_FLASH_SECTOR_SIZE;
+        break;
+    case GET_SECTOR_SIZE:
+        *(WORD *)buff = SPI_FLASH_SECTOR_SIZE;
+        break;
+    case GET_BLOCK_SIZE:
+        *(DWORD *)buff = 1;
+        break;
+    }
+    res = RES_OK;
+    return res;
+}
+
+
+
+
+DWORD get_fattime (void)
+{
+    return 0;
+}
+
+/* Private functions --------------------------------------------------------*/