#ifndef _MMC_SD_DRIVER_H_
#define _MMC_SD_DRIVER_H_
#include "COMM.H"	 
#include "stm32f10x_lib.h" 
/* Private define ------------------------------------------------------------*/
/* SD卡類型定義 */
#define SD_TYPE_MMC     0
#define SD_TYPE_V1      1
#define SD_TYPE_V2      2
#define SD_TYPE_V2HC    4

/* SPI總線速度設(shè)置*/
#define SPI_SPEED_LOW   0
#define SPI_SPEED_HIGH  1

/* SD傳輸數(shù)據(jù)結(jié)束后是否釋放總線宏定義 */
#define NO_RELEASE      0
#define RELEASE         1
							  

/* SD卡指令表 */
#define CMD0    0       //卡復(fù)位
#define CMD9    9       //命令9 ，讀CSD數(shù)據(jù)
#define CMD10   10      //命令10，讀CID數(shù)據(jù)
#define CMD12   12      //命令12，停止數(shù)據(jù)傳輸
#define CMD16   16      //命令16，設(shè)置SectorSize 應(yīng)返回0x00
#define CMD17   17      //命令17，讀sector
#define CMD18   18      //命令18，讀Multi sector
#define ACMD23  23      //命令23，設(shè)置多sector寫入前預(yù)先擦除N個block
#define CMD24   24      //命令24，寫sector
#define CMD25   25      //命令25，寫Multi sector
#define ACMD41  41      //命令41，應(yīng)返回0x00
#define CMD55   55      //命令55，應(yīng)返回0x01
#define CMD58   58      //命令58，讀OCR信息
#define CMD59   59      //命令59，使能/禁止CRC，應(yīng)返回0x00
					 
#define	SD_CS_ENABLE()  GPIOB->ODR&=~(1<<12); //選中SD卡
#define SD_CS_DISABLE() GPIOB->ODR|=1<<12;	  //取消選中				    	 

/* Private function prototypes -----------------------------------------------*/
void SPI_Configuration(void);
void SPI_SetSpeed(u8 SpeedSet);

u8 SPI_ReadWriteByte(u8 TxData);                //SPI總線讀寫一個字節(jié)
u8 SD_WaitReady(void);                          //等待SD卡就緒
u8 SD_SendCommand(u8 cmd, u32 arg, u8 crc);     //SD卡發(fā)送一個命令
u8 SD_SendCommand_NoDeassert(u8 cmd, u32 arg, u8 crc);
u8 SD_Init(void);                               //SD卡初始化
                                                //
u8 SD_ReceiveData(u8 *data, u16 len, u8 release);//SD卡讀數(shù)據(jù)
u8 SD_GetCID(u8 *cid_data);                     //讀SD卡CID
u8 SD_GetCSD(u8 *csd_data);                     //讀SD卡CSD
u32 SD_GetCapacity(void);                       //取SD卡容量

u8 SD_ReadSingleBlock(u32 sector, u8 *buffer);  //讀一個sector
u8 SD_WriteSingleBlock(u32 sector, const u8 *buffer); //寫一個sector
u8 SD_ReadMultiBlock(u32 sector, u8 *buffer, u8 count); //讀多個sector
u8 SD_WriteMultiBlock(u32 sector, const u8 *data, u8 count);  //寫多個sector
u8 SD_Read_Bytes(unsigned long address,unsigned char *buf,unsigned int offset,unsigned int bytes);//讀取一byte
#endif