/*-----------------------------------------------------------------------*/
/*?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?
#include?“diskio.h“
#include?“stm32f10x.h“
#include?“spi_sdcard.h“

/*?為每個(gè)設(shè)備定義一個(gè)物理編號(hào)?*/
#define?ATA			???????????0?????//?SD卡
#define?SPI_FLASH		???????1?????//?預(yù)留外部SPI?Flash使用

//固定只支持blocksize大小為512的卡，兼容大于512的卡時(shí)，該卡容量會(huì)變小
#define?SD_BLOCKSIZE?????512//SDCardInfo.CardBlockSize?


/*-----------------------------------------------------------------------*/
/*?獲取設(shè)備狀態(tài)??????????????????????????????????????????????????????????*/
/*-----------------------------------------------------------------------*/
DSTATUS?disk_status?（
	BYTE?pdrv		/*?物理編號(hào)?*/
）
{
	DSTATUS?status?=?STA_NOINIT;
	
	switch?（pdrv）?{
		case?ATA:	/*?SD?CARD?*/
			status?&=?~STA_NOINIT;
			break;
????
		case?SPI_FLASH:????????/*?SPI?Flash?*/???
			break;

		default:
			status?=?STA_NOINIT;
	}
	return?status;
}

/*-----------------------------------------------------------------------*/
/*?設(shè)備初始化????????????????????????????????????????????????????????????*/
/*-----------------------------------------------------------------------*/
//DSTATUS?disk_initialize?（
//	BYTE?pdrv				/*?物理編號(hào)?*/
//）
//{
//	DSTATUS?status?=?RES_ERROR?;//?	STA_NOINIT
//	switch?（pdrv）?{
//		case?ATA:	?????????/*?SD?CARD?*/
//			if（SD_Init（）==SD_RESPONSE_NO_ERROR）
//			{				
//				status?=RES_OK;
//				break;
//			}
////			else?
////			{
////				status?=?STA_NOINIT;
////			}
////		
//			
//????
//		case?SPI_FLASH:????/*?SPI?Flash?*/?
//			break;
//??????
//		default:
//		??break;
//	}
//	return?status;
//}

DSTATUS?disk_initialize?（
	BYTE?pdrv				/*?物理編號(hào)?*/
）
{
	DSTATUS?status?=?STA_NOINIT;	
	switch?（pdrv）?{
		case?ATA:	?????????/*?SD?CARD?*/
			if（SD_Init（）==SD_RESPONSE_NO_ERROR）
			{				
				status?&=?~STA_NOINIT;
			}
			else?
			{
				status?=?STA_NOINIT;
			}
		
			break;
????
		case?SPI_FLASH:????/*?SPI?Flash?*/?
			break;
??????
		default:
			status?=?STA_NOINIT;
	}
	return?status;
}


/*-----------------------------------------------------------------------*/
/*?讀扇區(qū)：讀取扇區(qū)內(nèi)容到指定存儲(chǔ)區(qū)??????????????????????????????????????????????*/
/*-----------------------------------------------------------------------*/
DRESULT?disk_read?（
	BYTE?pdrv		/*?設(shè)備物理編號(hào)（0..）?*/
	BYTE?*buff		/*?數(shù)據(jù)緩存區(qū)?*/
	DWORD?sector	/*?扇區(qū)首地址?*/
	UINT?count		/*?扇區(qū)個(gè)數(shù)（1..128）?*/
）
{
	DRESULT?status?=?RES_PARERR;
	SD_Error?SD_state?=?SD_RESPONSE_NO_ERROR;
	
	switch?（pdrv）?{
		case?ATA:	/*?SD?CARD?*/						
			
			SD_state=SD_ReadMultiBlocks（buff（uint64_t）sector*SD_BLOCKSIZESD_B

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2019-10-23?19:48??FATS_STM32_107_DEMO\
?????目錄???????????0??2019-10-23?19:48??FATS_STM32_107_DEMO\FATS\
?????目錄???????????0??2019-10-24?17:20??FATS_STM32_107_DEMO\FATS\src\
?????文件????????6904??2013-01-23?00:54??FATS_STM32_107_DEMO\FATS\src\00readme.txt
?????文件????????5656??2019-10-24?17:20??FATS_STM32_107_DEMO\FATS\src\diskio.c
?????文件????????2626??2019-10-24?14:01??FATS_STM32_107_DEMO\FATS\src\diskio.h
?????文件??????154279??2019-10-24?14:24??FATS_STM32_107_DEMO\FATS\src\ff.c
?????文件???????13551??2019-10-24?14:25??FATS_STM32_107_DEMO\FATS\src\ff.h
?????文件???????11351??2019-10-24?16:04??FATS_STM32_107_DEMO\FATS\src\ffconf.h
?????文件?????????856??2010-04-24?23:45??FATS_STM32_107_DEMO\FATS\src\integer.h
?????目錄???????????0??2019-10-23?19:48??FATS_STM32_107_DEMO\FATS\src\option\
?????文件??????249488??2013-01-18?22:48??FATS_STM32_107_DEMO\FATS\src\option\cc932.c
?????文件??????724232??2013-01-18?22:49??FATS_STM32_107_DEMO\FATS\src\option\cc936.c
?????文件??????567684??2013-01-18?22:49??FATS_STM32_107_DEMO\FATS\src\option\cc949.c
?????文件??????450696??2013-01-18?22:49??FATS_STM32_107_DEMO\FATS\src\option\cc950.c
?????文件???????30169??2013-01-18?22:50??FATS_STM32_107_DEMO\FATS\src\option\ccsbcs.c
?????文件????????4811??2013-01-16?21:25??FATS_STM32_107_DEMO\FATS\src\option\syscall.c
?????文件?????????269??2011-12-01?12:59??FATS_STM32_107_DEMO\FATS\src\option\unicode.c
?????文件???????32926??2019-10-24?15:44??FATS_STM32_107_DEMO\FATS\src\spi_sdcard.c
?????文件???????11693??2019-10-24?17:19??FATS_STM32_107_DEMO\FATS\src\spi_sdcard.h
?????目錄???????????0??2019-10-23?19:47??FATS_STM32_107_DEMO\Libraries\
?????目錄???????????0??2019-10-23?19:48??FATS_STM32_107_DEMO\Libraries\CMSIS\
?????目錄???????????0??2019-10-23?19:47??FATS_STM32_107_DEMO\Libraries\CMSIS\CM3\
?????目錄???????????0??2019-10-23?19:47??FATS_STM32_107_DEMO\Libraries\CMSIS\CM3\CoreSupport\
?????文件???????17273??2010-06-07?10:25??FATS_STM32_107_DEMO\Libraries\CMSIS\CM3\CoreSupport\core_cm3.c
?????文件???????85714??2011-02-09?14:59??FATS_STM32_107_DEMO\Libraries\CMSIS\CM3\CoreSupport\core_cm3.h
?????目錄???????????0??2019-10-23?19:47??FATS_STM32_107_DEMO\Libraries\CMSIS\CM3\DeviceSupport\
?????目錄???????????0??2019-10-23?19:47??FATS_STM32_107_DEMO\Libraries\CMSIS\CM3\DeviceSupport\ST\
?????目錄???????????0??2019-10-23?19:48??FATS_STM32_107_DEMO\Libraries\CMSIS\CM3\DeviceSupport\ST\STM32F10x\
?????目錄???????????0??2019-10-23?19:47??FATS_STM32_107_DEMO\Libraries\CMSIS\CM3\DeviceSupport\ST\STM32F10x\startup\
?????目錄???????????0??2019-10-23?19:47??FATS_STM32_107_DEMO\Libraries\CMSIS\CM3\DeviceSupport\ST\STM32F10x\startup\arm\
............此處省略134個(gè)文件信息