fram.h

使用luminary arm单片机驱动spi接口铁电

#ifndef __FRAM_H__
#define __FRAM_H__

#include "G:\CJQ_LM3S1968\DriverLib\src\ssi.h"
#include "G:\CJQ_LM3S1968\config.h"

#define	    FCS_LOW()	GPIOPinWrite(GPIO_PORTA_BASE,nFCS,0)
#define     FCS_HIGH()	GPIOPinWrite(GPIO_PORTA_BASE,nFCS,0xff)	

#define FRAM_MAX_ADDR 0x7fff

#define FSLK   GPIO_PIN_2
#define nFCS   GPIO_PIN_3
#define FSO    GPIO_PIN_4
#define FSI    GPIO_PIN_5
#define nFWP   GPIO_PIN_6
#define nFHOLD GPIO_PIN_7

#define FRAM_BIT_RATE     2000000	// 设定波特率
#define FRAM_DATA_WIDTH   8			// 设定数据宽度

#define RDSR  0x5 //读状态寄存器指令
#define WRSR  0x1 //写状态寄存器指令
#define WREN  0x6 //读状态寄存器指令
#define WRDI  0x4 //写禁止
#define READ  0x3 //
#define WRITE 0x2 //

void InitFram(void);
void SendByteToFram(uint8 tempChar);
uint8 GetByteFromFram(void);
uint8 WrFram(uint32 Dst,uint8* SndbufPt,uint32 NByte);
uint8 RdFram(uint32 Dst, uint32 NByte,uint8* RcvBufPt);

#endif