Add FatFS hello world. Will be removed but shows, that device is functional

2020-02-25 20:05:48 +01:00
parent a39fe09de4
commit a338831d69
12 changed files with 24422 additions and 0 deletions
--- a/stm-firmware/fatfs/diskio.c
+++ b/stm-firmware/fatfs/diskio.c
@@ -0,0 +1,119 @@
+/*-----------------------------------------------------------------------*/
+/* Low level disk I/O module skeleton for FatFs     (C)ChaN, 2019        */
+/*-----------------------------------------------------------------------*/
+/* 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 modules to the FatFs module with a defined API.       */
+/*-----------------------------------------------------------------------*/
+
+#include <fatfs/ff.h>			/* Obtains integer types */
+#include <fatfs/diskio.h>		/* Declarations of disk functions */
+#include "shimatta_sdio_driver/shimatta_sdio.h"
+
+/* Definitions of physical drive number for each drive */
+#define DEV_SD		0	/* Example: Map MMC/SD card to physical drive 0*/
+/*
+DSTATUS SDIO_status();
+DSTATUS SDIO_initialize();
+DRESULT SDIO_disk_read(BYTE *buff, DWORD sector, UINT count);
+DRESULT SDIO_disk_write(const BYTE *buff, DWORD sector, UINT count);
+DRESULT SDIO_disk_ioctl(BYTE cmd, void* buff);
+*/
+/*-----------------------------------------------------------------------*/
+/* Get Drive Status                                                      */
+/*-----------------------------------------------------------------------*/
+
+DSTATUS disk_status (
+	BYTE pdrv		/* Physical drive nmuber to identify the drive */
+)
+{
+
+	switch (pdrv) {
+	case DEV_SD:
+		return sdio_status();
+	}
+	return STA_NOINIT;
+}
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Inidialize a Drive                                                    */
+/*-----------------------------------------------------------------------*/
+
+DSTATUS disk_initialize (
+	BYTE pdrv				/* Physical drive nmuber to identify the drive */
+)
+{
+	switch (pdrv) {
+	case DEV_SD:
+		return sdio_initialize();
+	}
+	return STA_NOINIT;
+}
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Read Sector(s)                                                        */
+/*-----------------------------------------------------------------------*/
+
+DRESULT disk_read (
+	BYTE pdrv,		/* Physical drive nmuber to identify the drive */
+	BYTE *buff,		/* Data buffer to store read data */
+	LBA_t sector,	/* Start sector in LBA */
+	UINT count		/* Number of sectors to read */
+)
+{
+	switch (pdrv) {
+	case DEV_SD:
+		return sdio_disk_read(buff, sector, count);
+	}
+	return RES_PARERR;
+}
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Write Sector(s)                                                       */
+/*-----------------------------------------------------------------------*/
+
+#if FF_FS_READONLY == 0
+
+DRESULT disk_write (
+	BYTE pdrv,			/* Physical drive nmuber to identify the drive */
+	const BYTE *buff,	/* Data to be written */
+	LBA_t sector,		/* Start sector in LBA */
+	UINT count			/* Number of sectors to write */
+)
+{
+	switch (pdrv) {
+	case DEV_SD:
+		return sdio_disk_write(buff, sector, count);
+	}
+
+	return RES_PARERR;
+}
+
+#endif
+
+
+/*-----------------------------------------------------------------------*/
+/* Miscellaneous Functions                                               */
+/*-----------------------------------------------------------------------*/
+
+DRESULT disk_ioctl (
+	BYTE pdrv,		/* Physical drive nmuber (0..) */
+	BYTE cmd,		/* Control code */
+	void *buff		/* Buffer to send/receive control data */
+)
+{
+	switch (pdrv) {
+	case DEV_SD:
+		return sdio_disk_ioctl(cmd, buff);
+	}
+
+	return RES_PARERR;
+}
+