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-rw-r--r--3rdparty/fatfs-0.10b/src/diskio.c236
1 files changed, 236 insertions, 0 deletions
diff --git a/3rdparty/fatfs-0.10b/src/diskio.c b/3rdparty/fatfs-0.10b/src/diskio.c
new file mode 100644
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--- /dev/null
+++ b/3rdparty/fatfs-0.10b/src/diskio.c
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+/*-----------------------------------------------------------------------*/
+/* Low level disk I/O module skeleton for FatFs (C)ChaN, 2013 */
+/*-----------------------------------------------------------------------*/
+/* 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 exsisting */
+/* storage control module to the FatFs module with a defined API. */
+/*-----------------------------------------------------------------------*/
+
+#include "diskio.h" /* FatFs lower layer API */
+#include "usbdisk.h" /* Example: USB drive control */
+#include "atadrive.h" /* Example: ATA drive control */
+#include "sdcard.h" /* Example: MMC/SDC contorl */
+
+/* Definitions of physical drive number for each media */
+#define ATA 0
+#define MMC 1
+#define USB 2
+
+
+/*-----------------------------------------------------------------------*/
+/* Inidialize a Drive */
+/*-----------------------------------------------------------------------*/
+
+DSTATUS disk_initialize (
+ BYTE pdrv /* Physical drive nmuber (0..) */
+)
+{
+ DSTATUS stat;
+ int result;
+
+ switch (pdrv) {
+ case ATA :
+ result = ATA_disk_initialize();
+
+ // translate the reslut code here
+
+ return stat;
+
+ case MMC :
+ result = MMC_disk_initialize();
+
+ // translate the reslut code here
+
+ return stat;
+
+ case USB :
+ result = USB_disk_initialize();
+
+ // translate the reslut code here
+
+ return stat;
+ }
+ return STA_NOINIT;
+}
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Get Disk Status */
+/*-----------------------------------------------------------------------*/
+
+DSTATUS disk_status (
+ BYTE pdrv /* Physical drive nmuber (0..) */
+)
+{
+ DSTATUS stat;
+ int result;
+
+ switch (pdrv) {
+ case ATA :
+ result = ATA_disk_status();
+
+ // translate the reslut code here
+
+ return stat;
+
+ case MMC :
+ result = MMC_disk_status();
+
+ // translate the reslut code here
+
+ return stat;
+
+ case USB :
+ result = USB_disk_status();
+
+ // translate the reslut code here
+
+ return stat;
+ }
+ return STA_NOINIT;
+}
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Read Sector(s) */
+/*-----------------------------------------------------------------------*/
+
+DRESULT disk_read (
+ BYTE pdrv, /* Physical drive nmuber (0..) */
+ BYTE *buff, /* Data buffer to store read data */
+ DWORD sector, /* Sector address (LBA) */
+ UINT count /* Number of sectors to read (1..128) */
+)
+{
+ DRESULT res;
+ int result;
+
+ switch (pdrv) {
+ case ATA :
+ // translate the arguments here
+
+ result = ATA_disk_read(buff, sector, count);
+
+ // translate the reslut code here
+
+ return res;
+
+ case MMC :
+ // translate the arguments here
+
+ result = MMC_disk_read(buff, sector, count);
+
+ // translate the reslut code here
+
+ return res;
+
+ case USB :
+ // translate the arguments here
+
+ result = USB_disk_read(buff, sector, count);
+
+ // translate the reslut code here
+
+ return res;
+ }
+ return RES_PARERR;
+}
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Write Sector(s) */
+/*-----------------------------------------------------------------------*/
+
+#if _USE_WRITE
+DRESULT disk_write (
+ BYTE pdrv, /* Physical drive nmuber (0..) */
+ const BYTE *buff, /* Data to be written */
+ DWORD sector, /* Sector address (LBA) */
+ UINT count /* Number of sectors to write (1..128) */
+)
+{
+ DRESULT res;
+ int result;
+
+ switch (pdrv) {
+ case ATA :
+ // translate the arguments here
+
+ result = ATA_disk_write(buff, sector, count);
+
+ // translate the reslut code here
+
+ return res;
+
+ case MMC :
+ // translate the arguments here
+
+ result = MMC_disk_write(buff, sector, count);
+
+ // translate the reslut code here
+
+ return res;
+
+ case USB :
+ // translate the arguments here
+
+ result = USB_disk_write(buff, sector, count);
+
+ // translate the reslut code here
+
+ return res;
+ }
+ return RES_PARERR;
+}
+#endif
+
+
+/*-----------------------------------------------------------------------*/
+/* Miscellaneous Functions */
+/*-----------------------------------------------------------------------*/
+
+#if _USE_IOCTL
+DRESULT disk_ioctl (
+ BYTE pdrv, /* Physical drive nmuber (0..) */
+ BYTE cmd, /* Control code */
+ void *buff /* Buffer to send/receive control data */
+)
+{
+ DRESULT res;
+ int result;
+
+ switch (pdrv) {
+ case ATA :
+ // pre-process here
+
+ result = ATA_disk_ioctl(cmd, buff);
+
+ // post-process here
+
+ return res;
+
+ case MMC :
+ // pre-process here
+
+ result = MMC_disk_ioctl(cmd, buff);
+
+ // post-process here
+
+ return res;
+
+ case USB :
+ // pre-process here
+
+ result = USB_disk_ioctl(cmd, buff);
+
+ // post-process here
+
+ return res;
+ }
+ return RES_PARERR;
+}
+#endif