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author | Fabien Poussin <fabien.poussin@gmail.com> | 2017-06-07 11:26:30 +0200 |
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committer | GitHub <noreply@github.com> | 2017-06-07 11:26:30 +0200 |
commit | 46a0296ed6f68dd2a13f856ab2933a6a520af378 (patch) | |
tree | 6cf32e17ffc7890b3afac6fb2ef5e364a525576c /os/various/fatfs_bindings | |
parent | 3ff5a092fcddcda4308d0220445c22e6847eb1db (diff) | |
parent | f82de84347a64f4a826806696d23a61e60bd9115 (diff) | |
download | ChibiOS-Contrib-46a0296ed6f68dd2a13f856ab2933a6a520af378.tar.gz ChibiOS-Contrib-46a0296ed6f68dd2a13f856ab2933a6a520af378.tar.bz2 ChibiOS-Contrib-46a0296ed6f68dd2a13f856ab2933a6a520af378.zip |
Merge pull request #117 from dismirlian/usbh_devel
USB Host update
Diffstat (limited to 'os/various/fatfs_bindings')
-rw-r--r-- | os/various/fatfs_bindings/fatfs.mk | 7 | ||||
-rw-r--r-- | os/various/fatfs_bindings/fatfs_diskio.c | 320 |
2 files changed, 327 insertions, 0 deletions
diff --git a/os/various/fatfs_bindings/fatfs.mk b/os/various/fatfs_bindings/fatfs.mk new file mode 100644 index 0000000..238037e --- /dev/null +++ b/os/various/fatfs_bindings/fatfs.mk @@ -0,0 +1,7 @@ +# FATFS files. +FATFSSRC = ${CHIBIOS_CONTRIB}/os/various/fatfs_bindings/fatfs_diskio.c \ + ${CHIBIOS}/os/various/fatfs_bindings/fatfs_syscall.c \ + ${CHIBIOS}/ext/fatfs/src/ff.c \ + ${CHIBIOS}/ext/fatfs/src/option/unicode.c + +FATFSINC = ${CHIBIOS}/ext/fatfs/src diff --git a/os/various/fatfs_bindings/fatfs_diskio.c b/os/various/fatfs_bindings/fatfs_diskio.c new file mode 100644 index 0000000..6949310 --- /dev/null +++ b/os/various/fatfs_bindings/fatfs_diskio.c @@ -0,0 +1,320 @@ +/*-----------------------------------------------------------------------*/ +/* Low level disk I/O module skeleton for FatFs (C)ChaN, 2007 */ +/*-----------------------------------------------------------------------*/ +/* This is a stub disk I/O module that acts as front end of the existing */ +/* disk I/O modules and attach it to FatFs module with common interface. */ +/*-----------------------------------------------------------------------*/ + +#include "hal.h" +#include "ffconf.h" +#include "diskio.h" +#include "usbh/dev/msd.h" + +#if HAL_USE_MMC_SPI && HAL_USE_SDC +#error "cannot specify both MMC_SPI and SDC drivers" +#endif + +#if HAL_USE_MMC_SPI +extern MMCDriver MMCD1; +#elif HAL_USE_SDC +extern SDCDriver SDCD1; +#elif HAL_USBH_USE_MSD + +#else +#error "MMC_SPI, SDC or USBH_MSD driver must be specified" +#endif + +/*-----------------------------------------------------------------------*/ +/* Correspondence between physical drive number and physical drive. */ +#if HAL_USE_MMC_SPI +#define MMC 0 +#endif + +#if HAL_USE_SDC +#define SDC 0 +#endif + +#if HAL_USBH_USE_MSD +#if defined(MMC) || defined(SDC) +#define MSDLUN0 1 +#else +#define MSDLUN0 0 +#endif +#endif + +/*-----------------------------------------------------------------------*/ +/* Inidialize a Drive */ + +DSTATUS disk_initialize ( + BYTE pdrv /* Physical drive nmuber (0..) */ +) +{ + DSTATUS stat; + + switch (pdrv) { +#if HAL_USE_MMC_SPI + case MMC: + stat = 0; + /* It is initialized externally, just reads the status.*/ + if (blkGetDriverState(&MMCD1) != BLK_READY) + stat |= STA_NOINIT; + if (mmcIsWriteProtected(&MMCD1)) + stat |= STA_PROTECT; + return stat; +#elif HAL_USE_SDC + case SDC: + stat = 0; + /* It is initialized externally, just reads the status.*/ + if (blkGetDriverState(&SDCD1) != BLK_READY) + stat |= STA_NOINIT; + if (sdcIsWriteProtected(&SDCD1)) + stat |= STA_PROTECT; + return stat; +#endif +#if HAL_USBH_USE_MSD + case MSDLUN0: + stat = 0; + /* It is initialized externally, just reads the status.*/ + if (blkGetDriverState(&MSBLKD[0]) != BLK_READY) + stat |= STA_NOINIT; + return stat; +#endif + } + return STA_NOINIT; +} + + + +/*-----------------------------------------------------------------------*/ +/* Return Disk Status */ + +DSTATUS disk_status ( + BYTE pdrv /* Physical drive nmuber (0..) */ +) +{ + DSTATUS stat; + + switch (pdrv) { +#if HAL_USE_MMC_SPI + case MMC: + stat = 0; + /* It is initialized externally, just reads the status.*/ + if (blkGetDriverState(&MMCD1) != BLK_READY) + stat |= STA_NOINIT; + if (mmcIsWriteProtected(&MMCD1)) + stat |= STA_PROTECT; + return stat; +#elif HAL_USE_SDC + case SDC: + stat = 0; + /* It is initialized externally, just reads the status.*/ + if (blkGetDriverState(&SDCD1) != BLK_READY) + stat |= STA_NOINIT; + if (sdcIsWriteProtected(&SDCD1)) + stat |= STA_PROTECT; + return stat; +#endif +#if HAL_USBH_USE_MSD + case MSDLUN0: + stat = 0; + /* It is initialized externally, just reads the status.*/ + if (blkGetDriverState(&MSBLKD[0]) != BLK_READY) + stat |= STA_NOINIT; + return stat; +#endif + } + 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..255) */ +) +{ + switch (pdrv) { +#if HAL_USE_MMC_SPI + case MMC: + if (blkGetDriverState(&MMCD1) != BLK_READY) + return RES_NOTRDY; + if (mmcStartSequentialRead(&MMCD1, sector)) + return RES_ERROR; + while (count > 0) { + if (mmcSequentialRead(&MMCD1, buff)) + return RES_ERROR; + buff += MMCSD_BLOCK_SIZE; + count--; + } + if (mmcStopSequentialRead(&MMCD1)) + return RES_ERROR; + return RES_OK; +#elif HAL_USE_SDC + case SDC: + if (blkGetDriverState(&SDCD1) != BLK_READY) + return RES_NOTRDY; + if (sdcRead(&SDCD1, sector, buff, count)) + return RES_ERROR; + return RES_OK; +#endif +#if HAL_USBH_USE_MSD + case MSDLUN0: + /* It is initialized externally, just reads the status.*/ + if (blkGetDriverState(&MSBLKD[0]) != BLK_READY) + return RES_NOTRDY; + if (usbhmsdLUNRead(&MSBLKD[0], sector, buff, count)) + return RES_ERROR; + return RES_OK; +#endif + } + 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..255) */ +) +{ + switch (pdrv) { +#if HAL_USE_MMC_SPI + case MMC: + if (blkGetDriverState(&MMCD1) != BLK_READY) + return RES_NOTRDY; + if (mmcIsWriteProtected(&MMCD1)) + return RES_WRPRT; + if (mmcStartSequentialWrite(&MMCD1, sector)) + return RES_ERROR; + while (count > 0) { + if (mmcSequentialWrite(&MMCD1, buff)) + return RES_ERROR; + buff += MMCSD_BLOCK_SIZE; + count--; + } + if (mmcStopSequentialWrite(&MMCD1)) + return RES_ERROR; + return RES_OK; +#elif HAL_USE_SDC + case SDC: + if (blkGetDriverState(&SDCD1) != BLK_READY) + return RES_NOTRDY; + if (sdcWrite(&SDCD1, sector, buff, count)) + return RES_ERROR; + return RES_OK; +#endif +#if HAL_USBH_USE_MSD + case MSDLUN0: + /* It is initialized externally, just reads the status.*/ + if (blkGetDriverState(&MSBLKD[0]) != BLK_READY) + return RES_NOTRDY; + if (usbhmsdLUNWrite(&MSBLKD[0], sector, buff, count)) + return RES_ERROR; + return RES_OK; +#endif + } + return RES_PARERR; +} +#endif /* _USE_WRITE */ + + + +/*-----------------------------------------------------------------------*/ +/* 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 */ +) +{ + switch (pdrv) { +#if HAL_USE_MMC_SPI + case MMC: + switch (cmd) { + case CTRL_SYNC: + return RES_OK; + case GET_SECTOR_SIZE: + *((WORD *)buff) = MMCSD_BLOCK_SIZE; + return RES_OK; +#if _USE_ERASE + case CTRL_ERASE_SECTOR: + mmcErase(&MMCD1, *((DWORD *)buff), *((DWORD *)buff + 1)); + return RES_OK; +#endif + default: + return RES_PARERR; + } +#elif HAL_USE_SDC + case SDC: + switch (cmd) { + case CTRL_SYNC: + return RES_OK; + case GET_SECTOR_COUNT: + *((DWORD *)buff) = mmcsdGetCardCapacity(&SDCD1); + return RES_OK; + case GET_SECTOR_SIZE: + *((WORD *)buff) = MMCSD_BLOCK_SIZE; + return RES_OK; + case GET_BLOCK_SIZE: + *((DWORD *)buff) = 256; /* 512b blocks in one erase block */ + return RES_OK; +#if _USE_ERASE + case CTRL_ERASE_SECTOR: + sdcErase(&SDCD1, *((DWORD *)buff), *((DWORD *)buff + 1)); + return RES_OK; +#endif + default: + return RES_PARERR; + } +#endif +#if HAL_USBH_USE_MSD + case MSDLUN0: + switch (cmd) { + case CTRL_SYNC: + return RES_OK; + case GET_SECTOR_COUNT: + *((DWORD *)buff) = MSBLKD[0].info.blk_num; + return RES_OK; + case GET_SECTOR_SIZE: + *((WORD *)buff) = MSBLKD[0].info.blk_size; + return RES_OK; +#if _USE_ERASE +#error "unimplemented yet!" +// case CTRL_ERASE_SECTOR: +// .... +// return RES_OK; +#endif + default: + return RES_PARERR; + } +#endif + } + return RES_PARERR; +} +#endif /* _USE_IOCTL */ + +DWORD get_fattime(void) { +#if HAL_USE_RTC + RTCDateTime timespec; + + rtcGetTime(&RTCD1, ×pec); + return rtcConvertDateTimeToFAT(×pec); +#else + return ((uint32_t)0 | (1 << 16)) | (1 << 21); /* wrong but valid time */ +#endif +} + + |