sdcmd.h

atmel de booloader 内有源代码 用blb编译

/****************************************Copyright (c)**************************************************
**                               Guangzhou ZHIYUAN electronics Co.,LTD.
**                                     
**                                 http://www.zyinside.com
**
**--------------File Info-------------------------------------------------------------------------------
** File Name: 				sdcmd.h
** Last modified Date: 		2006.01.09
** Last Version:			V1.0		
** Description: 			SD/MMC卡支持的命令(头文件) 
**                          commands that sd/mmc card supported(header file)
**------------------------------------------------------------------------------------------------------
** Created By: 				Ming Yuan Zheng 郑明远
** Created date: 			2006.01.09
** Version: 				V1.0
** Descriptions:			The original version 初始版本
**
**------------------------------------------------------------------------------------------------------
** Modified by:
** Modified date:
** Version:
** Description:
**
********************************************************************************************************/

#ifndef __SDCMD_H__ 
#define __SDCMD_H__

/*
 *******************************************************
	
		SD 卡的相关命令与响应宏定义
	
 *******************************************************
*/

/* 命令响应定义 define command's response */
#define R0 		0								/* 用于SD模式 */
#define R1 		1
#define R1B 	2
#define R2 		3
#define R3	 	4
#define R6 		7

#define CARDSTATUS_ERR_MSK3	  0xFF
#define CARDSTATUS_ERR_MSK2	  0xF9
#define CARDSTATUS_ERR_MSK1	  0xE0
#define CARDSTATUS_ERR_MSK0	  0x08

#define SD_CRC_STATUS_MSK	  0x1C
#define SD_CRC_STATUS_OK	  0x08	

/*
*********************************************

     SD卡 命令集

*********************************************
*/

/******************************** 基本命令集 Basic command set **************************/
/* 复位SD 卡 Reset cards to idle state */
#define CMD0 0
#define CMD0_R R0


/* 读所有SD总线上的SD卡的CID寄存器 asks any device to send their CID numbers on the CMD Line*/
#define  CMD1   	1
#define	 CMD1_R	 	R3

/* 读所有SD总线上的SD卡的CID寄存器 asks any device to send their CID numbers on the CMD Line*/
#define CMD2 2
#define CMD2_R R2

/* 要求设备发送一个新的相对地址 asks the device to publish a new relative adderss */
#define CMD3 3
#define CMD3_R R6

/* 选择/断开选择卡 select/deselect card */
#define	CMD7 7
#define CMD7_R R1

/* 读CSD寄存器 Card sends the CSD */
#define CMD9 9
#define CMD9_R R2

/* 读CID寄存器 Card sends CID */
#define CMD10 10
#define CMD10_R R2

/* 停止读多块时的数据传输 Stop a multiple block (stream) read/write operation */
#define CMD12 12
#define CMD12_R R1B

/* 读 Card_Status 寄存器 Get the addressed card's status register */
#define CMD13 13
#define CMD13_R R1

/* 设置设备处于停止状态 set the device to inactive state */
#define CMD15 15
#define CMD15_R R0

/* 设置块的长度 Set the block length */
#define CMD16 16
#define CMD16_R R1

/* 读单块 Read a single block */
#define CMD17 17
#define CMD17_R R1

/* 读多块,直至主机发送CMD12为止 Read multiple blocks until a CMD12 */
#define CMD18 18
#define CMD18_R R1

/***************************** 块写命令集 Block write commands *************************/
/* 写单块 Write a block of the size selected with CMD16 */
#define CMD24 24
#define CMD24_R R1

/* 写多块 Multiple block write until a CMD12 */
#define CMD25 25
#define CMD25_R R1

/* 写CSD寄存器 Program the programmable bits of the CSD */
#define CMD27 27
#define CMD27_R R1

/***************************** 写保护 Write protection *****************************/
/* Set the write protection bit of the addressed group */
#define CMD28 28
#define CMD28_R R1B

/* Clear the write protection bit of the addressed group */
#define CMD29 29
#define CMD29_R R1B

/* Ask the card for the status of the write protection bits */
#define CMD30 30
#define CMD30_R R1

/***************************** 擦除命令 Erase commands *******************************/
/* 设置擦除块的起始地址 Set the address of the first write block to be erased */
#define CMD32 32
#define CMD32_R R1

/* 设置擦除块的终止地址 Set the address of the last write block to be erased */
#define CMD33 33
#define CMD33_R R1

/* 擦除所选择的块 Erase the selected write blocks */
#define CMD38 38
#define CMD38_R R1B

/***************************** 锁卡命令 Lock Card commands ***************************/
/* 设置/复位密码或上锁/解锁卡 Set/reset the password or lock/unlock the card */
#define CMD42 42
#define CMD42_R	R1B
/* Commands from 42 to 54, not defined here */

/***************************** 应用命令 Application-specific commands ****************/
/* 禁止下一个命令为应用命令  Flag that the next command is application-specific */
#define CMD55 55
#define CMD55_R R1

/* 应用命令的通用I/O  General purpose I/O for application-specific commands */
#define CMD56 56
#define CMD56_R R1

/* 读OCR寄存器,只用于SPI模式  Read the OCR (SPI mode only) */
#define CMD58 58
#define CMD58_R R3

/* 使能或禁止 CRC Turn CRC on or off */    //SD卡没有此功能
#define CMD59 59						   //SD卡没有此功能
#define CMD59_R R1						   //SD卡没有此功能

/***************************** 应用命令 Application-specific commands ***************/
#define ACMD6 6
#define ACMD6_R R1

/* 获取 SD Status寄存器 Get the SD card's status */
#define ACMD13 13
#define ACMD13_R R1

/* 得到已写入卡中的块的个数 Get the number of written write blocks (Minus errors ) */
#define ACMD22 22
#define ACMD22_R R1

/* 在写之前,设置预先擦除的块的个数 Set the number of write blocks to be pre-erased before writing */
#define ACMD23 23
#define ACMD23_R R1

/* 读取OCR寄存器 Get the card's OCR (SD mode) */
#define ACMD41 41
#define ACMD41_R R3

/* 连接/断开CD/DATA[3]引脚上的上拉电阻 Connect or disconnect the 50kOhm internal pull-up on CD/DAT[3] */
#define ACMD42 42
#define ACMD42_R R1

/* 读取SCR寄存器 Get the SD configuration register */
#define ACMD51 51
#define ACMD51_R R1


INT8U SD_SendCommand(INT8U cmd, INT32U param, INT8U resptype, INT8U *resp);
INT8U SD_JudgeResult(INT8U *CardStatus);
void word_to_byte(INT32U value, INT8U *pdst);

INT8U SD_ResetSD(void);
INT8U SD_BlockCommand(INT8U cmd, INT8U resptype, INT32U parameter);


/* 读SD卡的CSD寄存器 read CSD register of sd card */
INT8U SD_ReadCSD(INT16U RCA, INT8U csdlen, INT8U *recbuf);
INT8U SD_ReadAllCID(INT8U cidlen, INT8U *recbuf);


/* 读SD卡的CID寄存器  read CID register of sd card */   
INT8U SD_ReadCID(INT16U RCA, INT8U cidlen, INT8U *recbuf);
INT8U SD_GetRCA(INT8U card_type, INT16U *RCA);


INT8U SD_SelectCard(INT16U RCA);
INT8U SD_DeSelectCard(void);


INT8U SD_StopTransmission(void);
INT8U SD_GoInactive(INT16U RCA);
//INT8U SD_SetBlockLen(INT32U length);

INT8U SD_SetBlockLen(INT16U RCA, INT32U length);


INT8U SD_ReadSingleBlock(INT32U blockaddr);
INT8U SD_WriteSingleBlock(INT32U blockaddr);

/* 读操作条件寄存器OCR  read OCR register of sd card */
INT8U SD_ReadOCR(INT8U ocrlen, INT8U *recbuf);
INT8U MMC_ReadOCR(INT8U ocrlen, INT8U *recbuf);

INT8U SD_SetBusWidth(INT16U RCA, INT32U bwidth);
INT8U SD_ReadBlockData(INT32U len, INT8U *recbuf,INT32U timeout);
INT8U SD_WriteBlockData(INT8U bmulti, INT32U len, INT8U *sendbuf, INT32U timeout);
                       

#endif

/*********************************************************************************************************
**                            End Of File
**********************************************************************************************************/