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Qiea
234
HARDWARE/FATFS/diskio.c
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234
HARDWARE/FATFS/diskio.c
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/*-----------------------------------------------------------------------*/
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/* Low level disk I/O module skeleton for FatFs (C)ChaN, 2014 */
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/*-----------------------------------------------------------------------*/
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/* If a working storage control module is available, it should be */
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/* attached to the FatFs via a glue function rather than modifying it. */
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/* This is an example of glue functions to attach various exsisting */
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/* storage control modules to the FatFs module with a defined API. */
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/*-----------------------------------------------------------------------*/
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#include "diskio.h"
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#include "sdio.h"
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#include "malloc.h"
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#define SD_CARD 0 // SD<53><44>,<2C><><EFBFBD><EFBFBD>Ϊ0
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#define EX_FLASH 1 // <20>ⲿspi flash,<2C><><EFBFBD><EFBFBD>Ϊ1
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#define USB_DISK 3 // U<><55>,<2C><><EFBFBD><EFBFBD>Ϊ3
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// <20><><EFBFBD><EFBFBD>W25Q128
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// ǰ8M<38>ֽڸ<D6BD>fatfs<66><73>,8M<38>ֽں<D6BD>,<2C><><EFBFBD>ڴ<EFBFBD><DAB4><EFBFBD><EFBFBD>ֿ<EFBFBD>,<2C>ֿ<EFBFBD>ռ<EFBFBD><D5BC>6.01M.ʣ<>ಿ<EFBFBD><E0B2BF>1.99M,<2C><><EFBFBD>ͻ<EFBFBD><CDBB>Լ<EFBFBD><D4BC><EFBFBD>
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#define FLASH_SECTOR_SIZE 512
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#define FLASH_SECTOR_COUNT 1024*8*2 // W25Q128,ǰ8M<38>ֽڸ<D6BD>FATFSռ<53><D5BC>
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#define FLASH_BLOCK_SIZE 8 // ÿ<><C3BF>BLOCK<43><4B>8<EFBFBD><38><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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FATFS fatfs_sd; // SD<53><44><EFBFBD><EFBFBD><DFBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ĺ<EFBFBD><C4B9><EFBFBD><EFBFBD><EFBFBD>
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FATFS fatfs_flash; // FLASH<53><EFBFBD><DFBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ĺ<EFBFBD><C4B9><EFBFBD><EFBFBD><EFBFBD>
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FATFS fatfs_usb; // USB<53><EFBFBD><DFBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ĺ<EFBFBD><C4B9><EFBFBD><EFBFBD><EFBFBD>
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FIL file_sd; // SD<53><44><EFBFBD>ļ<EFBFBD><C4BC><EFBFBD><EFBFBD><EFBFBD>
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FIL file_flash; // FLASH<53>ļ<EFBFBD><C4BC><EFBFBD><EFBFBD><EFBFBD>
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FIL file_usb; // USB<53>ļ<EFBFBD><C4BC><EFBFBD><EFBFBD><EFBFBD>
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//-----------------------------------------------------------------
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// DWORD get_fattime (void)
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//-----------------------------------------------------------------
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//
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: <20>û<EFBFBD><C3BB><EFBFBD><EFBFBD>庯<EFBFBD><E5BAAF><EFBFBD><EFBFBD>Ϊfatfsģ<73><C4A3>ͣ<EFBFBD><CDA3><EFBFBD><EFBFBD>ǰʱ<C7B0><CAB1>
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// <20><><EFBFBD>ڲ<EFBFBD><DAB2><EFBFBD>: <20><>
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// <20><> <20><> ֵ: <20><>
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// ע<><D7A2><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: <20><>
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//
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//-----------------------------------------------------------------
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DWORD get_fattime (void)
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{
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return 0;
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}
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//-----------------------------------------------------------------
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// DSTATUS disk_status (BYTE pdrv)
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//-----------------------------------------------------------------
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//
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: <20><><EFBFBD>ô<EFBFBD><C3B4><EFBFBD>״̬
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// <20><><EFBFBD>ڲ<EFBFBD><DAB2><EFBFBD>: BYTE pdrv<72><76><EFBFBD><EFBFBD><EFBFBD>ڱ<EFBFBD>ʶ<EFBFBD><CAB6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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// <20><> <20><> ֵ: <20><>
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// ע<><D7A2><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: <20><>
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//
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//-----------------------------------------------------------------
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DSTATUS disk_status(BYTE pdrv)
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{
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return RES_OK;
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}
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//-----------------------------------------------------------------
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// DSTATUS disk_status (BYTE pdrv)
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//-----------------------------------------------------------------
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//
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: <20><>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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// <20><><EFBFBD>ڲ<EFBFBD><DAB2><EFBFBD>: BYTE pdrv<72><76><EFBFBD><EFBFBD><EFBFBD>ڱ<EFBFBD>ʶ<EFBFBD><CAB6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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// <20><> <20><> ֵ: <20><>
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// ע<><D7A2><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: <20><>
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//
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//-----------------------------------------------------------------
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DSTATUS disk_initialize(BYTE pdrv)
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{
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u8 res=0;
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switch(pdrv)
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{
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case SD_CARD: // SD<53><44>
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res=SD_Init(); // SD<53><44><EFBFBD><EFBFBD>ʼ<EFBFBD><CABC>
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break;
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case USB_DISK: // U<><55>
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break;
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default:
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res=1;
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}
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if(res)
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return STA_NOINIT;
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else
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return 0; // <20><>ʼ<EFBFBD><CABC><EFBFBD>ɹ<EFBFBD>
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}
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//-----------------------------------------------------------------
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// DRESULT disk_read (BYTE pdrv,BYTE *buff,DWORD sector,UINT count)
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//-----------------------------------------------------------------
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//
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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// <20><><EFBFBD>ڲ<EFBFBD><DAB2><EFBFBD>: BYTE pdrv<72><76><EFBFBD><EFBFBD><EFBFBD>̱<EFBFBD><CCB1><EFBFBD>0~9
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// BYTE *buff<66><66><EFBFBD><EFBFBD><EFBFBD>ݽ<EFBFBD><DDBD>ջ<EFBFBD><D5BB><EFBFBD><EFBFBD><EFBFBD>ַ
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// DWORD sector<6F><72><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ
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// UINT count<6E><74><EFBFBD><EFBFBD>Ҫ<EFBFBD><D2AA>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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// <20><> <20><> ֵ: <20><>
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// ע<><D7A2><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: <20><>
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//
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//-----------------------------------------------------------------
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DRESULT disk_read (BYTE pdrv,BYTE *buff,DWORD sector,UINT count)
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{
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u8 res=0;
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if (!count)
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return RES_PARERR;// count<6E><74><EFBFBD>ܵ<EFBFBD><DCB5><EFBFBD>0<EFBFBD><30><EFBFBD><EFBFBD><EFBFBD>ز<F2B7B5BB><D8B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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switch(pdrv)
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{
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case SD_CARD: // SD<53><44>
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res=SD_ReadDisk(buff,sector,count);
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while(res) // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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{
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SD_Init(); // <20><><EFBFBD>³<EFBFBD>ʼ<EFBFBD><CABC>SD<53><44>
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res=SD_ReadDisk(buff,sector,count);
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}
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break;
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case USB_DISK: // U<><55>
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break;
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default:
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res=1;
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}
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><D6B5><EFBFBD><EFBFBD>SPI_SD_driver.c<>ķ<EFBFBD><C4B7><EFBFBD>ֵת<D6B5><D7AA>ff.c<>ķ<EFBFBD><C4B7><EFBFBD>ֵ
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if(res==0x00)
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return RES_OK;
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else
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return RES_ERROR;
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}
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//-----------------------------------------------------------------
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// DRESULT disk_write (BYTE pdrv,const BYTE *buff,DWORD sector,UINT count)
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//-----------------------------------------------------------------
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//
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: д<><D0B4><EFBFBD><EFBFBD>
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// <20><><EFBFBD>ڲ<EFBFBD><DAB2><EFBFBD>: BYTE pdrv<72><76><EFBFBD><EFBFBD><EFBFBD>̱<EFBFBD><CCB1><EFBFBD>0~9
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// BYTE *buff<66><66><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ
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// DWORD sector<6F><72><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ
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// UINT count<6E><74><EFBFBD><EFBFBD>Ҫд<D2AA><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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// <20><> <20><> ֵ: <20><>
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// ע<><D7A2><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: <20><>
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//
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//-----------------------------------------------------------------
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DRESULT disk_write (BYTE pdrv,const BYTE *buff,DWORD sector,UINT count)
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{
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u8 res=0;
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if (!count)
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return RES_PARERR;// count<6E><74><EFBFBD>ܵ<EFBFBD><DCB5><EFBFBD>0<EFBFBD><30><EFBFBD><EFBFBD><EFBFBD>ز<F2B7B5BB><D8B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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switch(pdrv)
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{
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case SD_CARD: // SD<53><44>
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res=SD_WriteDisk((u8*)buff,sector,count);
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while(res) // д<><D0B4><EFBFBD><EFBFBD>
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{
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SD_Init(); //<2F><><EFBFBD>³<EFBFBD>ʼ<EFBFBD><CABC>SD<53><44>
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res=SD_WriteDisk((u8*)buff,sector,count);
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//printf("sd wr error:%d\r\n",res);
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}
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break;
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case USB_DISK: // U<><55>
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break;
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default:
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res=1;
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}
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><D6B5><EFBFBD><EFBFBD>SPI_SD_driver.c<>ķ<EFBFBD><C4B7><EFBFBD>ֵת<D6B5><D7AA>ff.c<>ķ<EFBFBD><C4B7><EFBFBD>ֵ
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if(res == 0x00)
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return RES_OK;
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else
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return RES_ERROR;
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}
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//-----------------------------------------------------------------
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// DRESULT disk_ioctl (BYTE pdrv,BYTE cmd,void *buff)
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//-----------------------------------------------------------------
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//
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ļ<EFBFBD><C4BB><EFBFBD>
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// <20><><EFBFBD>ڲ<EFBFBD><DAB2><EFBFBD>: BYTE pdrv<72><76><EFBFBD><EFBFBD><EFBFBD>̱<EFBFBD><CCB1><EFBFBD>0~9
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// BYTE cmd<6D><64><EFBFBD><EFBFBD><EFBFBD>ƴ<EFBFBD><C6B4><EFBFBD>
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// void *buff<66><66><EFBFBD><EFBFBD><EFBFBD><EFBFBD>/<2F><><EFBFBD>ջ<EFBFBD><D5BB><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><D6B8>
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// <20><> <20><> ֵ: <20><>
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// ע<><D7A2><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: <20><>
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//
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//-----------------------------------------------------------------
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DRESULT disk_ioctl (BYTE pdrv,BYTE cmd,void *buff)
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{
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DRESULT res;
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if(pdrv==SD_CARD)// SD<53><44>
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{
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switch(cmd)
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{
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case CTRL_SYNC:
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res = RES_OK;
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break;
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case GET_SECTOR_SIZE:
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*(DWORD*)buff = 512;
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res = RES_OK;
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break;
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case GET_BLOCK_SIZE:
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*(WORD*)buff = SDCardInfo.CardBlockSize;
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res = RES_OK;
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break;
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case GET_SECTOR_COUNT:
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*(DWORD*)buff = SDCardInfo.CardCapacity/512;
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res = RES_OK;
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break;
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default:
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res = RES_PARERR;
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break;
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}
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}
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else if(pdrv==USB_DISK) // U<><55>
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{
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}
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else
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res=RES_ERROR;// <20><><EFBFBD><EFBFBD><EFBFBD>IJ<EFBFBD>֧<EFBFBD><D6A7>
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return res;
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}
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void *ff_memalloc (UINT size)
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{
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return (void*)mymalloc(SRAMEX,size);
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}
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//<2F>ͷ<EFBFBD><CDB7>ڴ<EFBFBD>
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void ff_memfree (void* mf)
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{
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myfree(SRAMEX,mf);
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}
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//-----------------------------------------------------------------
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// End Of File
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//-----------------------------------------------------------------
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