sdcrc.h

SD卡的SPI驱动程序

/****************************************Copyright (c)**************************************************
**                               Guangzhou ZLG-MCU Development Co.,LTD.
**                                      graduate school
**                                 http://www.zlgmcu.com
**
**--------------File Info-------------------------------------------------------------------------------
** File name:			sdcrc.h
** Last modified Date:	2005-1-6
** Last Version:		V1.0
** Descriptions:		Soft Packet of SD Card Driver: tool funcitons about sd card ---- crc check header file
**
**------------------------------------------------------------------------------------------------------
** Created by:			Ming Yuan Zheng
** Created date:		2005-1-6
** Version:				V1.0
** Descriptions:		The original version
**
**------------------------------------------------------------------------------------------------------
** Modified by:			Jing.Zhang
** Modified date:		2005-12-19
** Version:				
** Descriptions:		
**
**------------------------------------------------------------------------------------------------------
** Modified by: 
** Modified date:
** Version:	
** Descriptions: 
**
********************************************************************************************************/
#ifndef __SD_CRC_H__
#define __SD_CRC_H__
extern INT16U SD_GetCRC16(const INT8U *pSource,INT16U len);	//Calculate the result of CRC16 from len bytes of data

extern INT8U SD_GetCmdByte6(INT8U cmd,INT8U *param);	//Get the CRC7 + Stop bit of Command
#endif  /* __SD_CRC_H__ */