simspi.h

功能：在AT91SAM7-EK 板上实现用串口（DBGU）操作mmc /sd 上的ucfs文件系统

//-----------------------------------------------------
//--函数名:SimSpi.H
//--功  能:使用目标板SPI的功能
//--公  司:深圳市百特电子
//--设  计:陈斌
//--时  间:2005.11.11
//-----------------------------------------------------
//=================================================================
#ifndef SPI_H
#define SPI_H

//--SPI初始化----------------------------------------------------------------------------------------------------------
void SPI_init(void);
void spi_send(char chr);
void read(char choice,int page,int startadd,char* aimadd,int cou);


#define PCS				0xF-1				//使用SPI片选

/* READ COMMANDS */
#define DF_READ_MEM_ARRAY   		0xE8		/* Continuous array read */
//#define DF_READ_BURST_ARRAY		0xE8		/* Burst array read */
#define DF_READ_PAGE               	0xD2		/* Main memory page read */ //USE  IN  ZHIS SOFTWARE
#define DF_READ_BUFA               	0xD4		/* Buffer 1 read */
#define DF_READ_BUFB               	0xD6		/* Buffer 2 read */
#define DF_READ_STATUS             	0xD7		/* Status Register */

/* PROGRAM and ERASE COMMANDS */
#define DF_PGM_BUFA              	0x84		/* Buffer 1 write */
#define DF_PGM_BUFB              	0x87		/* Buffer 2 write */
#define DF_PGM_BUF1_ERASE_PAGE     	0x83		/* Buffer 1 to main memory page program with built-In erase */
#define DF_BUF1_PAGE_ERASE_FASTPGM 	0x93		/* Buffer 1 to main memory page program with built-In erase, Fast program */
#define DF_BUF2_PAGE_ERASE_PGM     	0x86		/* Buffer 2 to main memory page program with built-In erase */
#define DF_BUF2_PAGE_ERASE_FASTPGM 	0x96		/* Buffer 1 to main memory page program with built-In erase, Fast program */
#define DF_BUF1_PAGE_PGM           	0x88		/* Buffer 1 to main memory page program without built-In erase */
#define DF_BUF1_PAGE_FASTPGM       	0x98		/* Buffer 1 to main memory page program without built-In erase, Fast program*/
#define DF_BUF2_PAGE_PGM           	0x89		/* Buffer 2 to main memory page program without built-In erase */
#define DF_BUF2_PAGE_FASTPGM       	0x99		/* Buffer 1 to main memory page program without built-In erase, Fast program*/
#define DF_PAGE_ERASE              	0x81		/* Page Erase */
#define DF_BLOCK_ERASE             	0x50		/* Block Erase */ //USE  IN  ZHIS SOFTWARE
#define DF_PGM_BUFA_TO_PAGE       	0x82		/* Main memory page through buffer 1 */  //USE  IN  ZHIS SOFTWARE
#define DF_PAGE_FASTPGM_BUFA       	0x92		/* Main memory page through buffer 1, Fast program */
#define DF_PGM_BUFB_TO_PAGE       	0x85		/* Main memory page through buffer 2 */
#define DF_PAGE_FastPGM_BUFB       	0x95		/* Main memory page through buffer 2, Fast program */

/* ADDITIONAL COMMANDS */
#define DF_PAGE_2_BUF1_TRF         	0x53		/* Main memory page to buffer 1 transfert */
#define DF_PAGE_2_BUF2_TRF         	0x55		/* Main memory page to buffer 2 transfert */
#define DF_PAGE_2_BUF1_CMP         	0x60		/* Main memory page to buffer 1 compare */
#define DF_PAGE_2_BUF2_CMP			0x61		/* Main memory page to buffer 2 compare */
#define DF_AUTO_PAGE_PGM_BUF1      	0x58		/* Auto page rewrite throught buffer 1 */
#define DF_AUTO_PAGE_PGM_BUF2      	0x59		/* Auto page rewrite throught buffer 2 */

//---------------------------------------------
#define DFBUFFER1READ	0xD4H
#define DFBUFFER2READ	0xD6H
#define BufferA			1
#define BufferB			2

#define AT91C_DATAFLASH_TIMEOUT		10000   /* For AT91F_DataFlashWaitReady */

#define BUFFER_SIZE_DATAFLASH		528
/* DataFlash return value */
#define DATAFLASH_BUSY				0x00
#define DATAFLASH_OK				0x01
#define DATAFLASH_ERROR				0x02
#define DATAFLASH_MEMORY_OVERFLOW	0x03
#define DATAFLASH_BAD_COMMAND		0x04
#define DATAFLASH_BAD_ADDRESS		0x05

#define DATAFLASH_CLK				10000000
#define DATAFLASH_TIMEOUT			30
/* Driver State */
#define IDLE						0x0
#define	BUSY						0x1
#define READY						0x2
#define	ERROR						0x3

/* DataFlash Driver State */
#define	GET_STATUS					0x0F

typedef struct _AT91_DF
{
	char oper[8];
}AT91_DF;


void memread(int pape,int add);

//--------------------------------
#endif