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150 lines
2.5 KiB
C
150 lines
2.5 KiB
C
/////////////////////////////////////////////////////////////////////////
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// Mountain View Silicon Tech. Inc.
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// Copyright 2012, Mountain View Silicon Tech. Inc.,ShangHai,China
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// All rights reserved
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// Filename:diskio.c
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/////////////////////////////////////////////////////////////////////////
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//#include "app_config.h"
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#include "fs_config.h"
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#include "diskio.h"
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#include "fsinfo.h"
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#include "host_stor.h"
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#include "sd_card.h"
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#include "platform.h"
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//
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// Inidialize a Drive
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//
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DSTATUS disk_initialize(
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uint8_t drv /* Physical drive nmuber (0..) */
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)
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{
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DSTATUS res = RES_ERROR;
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switch(drv)
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{
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#ifdef FUNC_CARD_EN
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case DEV_ID_SD:
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//res = MMC_disk_initialize();
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break;
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#endif //FUNC_CARD_EN
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#ifdef FUNC_USB_EN
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case DEV_ID_USB:
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// res = USB_disk_initialize(drv);
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break;
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#endif //FUNC_CARD_EN
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default:
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break;
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}
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return res;
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}
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//
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// Return Disk Status
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//
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DSTATUS disk_status(
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uint8_t drv /* Physical drive nmuber (0..) */
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)
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{
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DSTATUS res = RES_ERROR;
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switch(drv)
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{
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#ifdef FUNC_CARD_EN
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case DEV_ID_SD :
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//res = MMC_disk_status();
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break;
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#endif //FUNC_CARD_EN
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#ifdef FUNC_USB_EN
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case DEV_ID_USB :
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// res = USB_disk_status(drv);
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break;
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#endif //FUNC_USB_EN
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default:
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break;
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}
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return res;
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}
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//
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//Read Sector(s)
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//
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DRESULT disk_read(
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uint8_t drv, /* Physical drive nmuber (0..) */
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uint8_t* buff, /* Data buffer to store read data */
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uint32_t sector, /* Sector address (LBA) */
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uint8_t count /* Number of sectors to read (1..255) */
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)
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{
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DRESULT res = RES_ERROR;
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switch(drv)
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{
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#ifdef FUNC_CARD_EN
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case DEV_ID_SD :
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if(!SdReadBlock(sector, buff, count))
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{
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res = RES_OK;
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}
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break;
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#endif //FUNC_CARD_EN
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#ifdef FUNC_USB_EN
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case DEV_ID_USB :
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if(HostStorReadBlock(sector, buff, count))
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{
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res = RES_OK;
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}
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#endif //FUNC_USB_EN
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default:
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break;
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}
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return res;
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}
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//
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// Write Sector(s)
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//
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DRESULT disk_write(
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uint8_t drv, /* Physical drive nmuber (0..) */
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const uint8_t* buff, /* Data to be written */
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uint32_t sector, /* Sector address (LBA) */
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uint8_t count /* Number of sectors to write (1..255) */
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)
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{
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DRESULT res = RES_ERROR;
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switch(drv)
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{
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#ifdef FUNC_CARD_EN
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case DEV_ID_SD :
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if(!SdWriteBlock(sector, buff, count))
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{
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res = RES_OK;
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}
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break;
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#endif //FUNC_CARD_EN
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#ifdef FUNC_USB_EN
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case DEV_ID_USB :
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res = HostStorWriteBlock(sector, (void*)buff, count) ? RES_OK : RES_ERROR;
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break;
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#endif //FUNC_USB_EN
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default:
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break;
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}
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return res;
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}
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