/******************************************************************************
 * Copyright (C) 2014-2015 HangZhou SiZhu Co.,LTD.
 *
 *-----------------------------------------------------------------------------
 * File: 			    fm25v02.h
 * Description:		head file of fm25v02.c used for FRAM operation
 * Author:			  Lishoujian (867693272@qq.com)
 * Date:			    Jan 8, 2015
 *****************************************************************************/

/* ----------------------- Platform includes --------------------------------*/

#ifndef __FM25V02_H
#define __FM25V02_H	 
#include "sys.h"

//op cmd
#define FM_WREN       0x06      //write enable
#define FM_WRDI       0x04      //write disable
#define FM_RDSR       0x05      //read  status register
#define FM_WRSR       0x01      //write status register
#define FM_READ       0x03      //read  fram memory data
#define FM_FSTRD      0x0b      //fast  read  fram memory data
#define FM_WRITE      0x02      //write fram memory data
#define FM_SLEEP      0xb9      //go to sleep mode
#define FM_RDID       0x9f      //read  fram ID:9 bytes


#define  FM25V02_CS_1      0
#define  FM25V02_CS_2      1


#define  FM25V02_CS_LOW       {if(Fram_cs_flag!=1){GPIO_ResetBits(GPIOD,GPIO_Pin_7);GPIO_SetBits(GPIOB,GPIO_Pin_7);}else{FM25V02_CS_2_LOW}}//CS = 0
#define  FM25V02_CS_HIGH      {GPIO_SetBits(GPIOD,GPIO_Pin_7);GPIO_SetBits(GPIOB,GPIO_Pin_7);}//CS = 1

///×¢Ò⣬ǧÍò²»ÒªÔÙÖжÏÖжÁдEEPROM£¬Èç¹ûÖжÏ֮ǰÊÇÔÚ²Ù×÷EEPROM£¬ÓÖÔÚÖжÏÖжÁдEEPROM£¬Ôò¿ÉÄܳöÎÊÌâ
#define  FM25V02_CS_2_LOW      {GPIO_ResetBits(GPIOB,GPIO_Pin_7);GPIO_SetBits(GPIOD,GPIO_Pin_7);}//CS_2 = 0
#define  FM25V02_CS_2_HIGH     GPIO_SetBits(GPIOB,GPIO_Pin_7)  //CS_2 = 1

#define	FM_ReadWriteByte(dat) SPI3_ReadWriteByte(dat)
#define FM25V02_ioconfig()    SPI3_ioconfig()

u8  	EEPROM_MultipleWrite(u8 *data,u32 addr,u16 bytes);
void 	EEPROM_MultipleRead(u8 *data, u32 addr, u16 bytes);

void  FM25V02_data_write(uint8 data,u32 addr16);
uint8 FM25V02_data_read(uint32 addr16); 
void  FM25V02_stat_write(uint8 stat);
uint8 FM25V02_stat_read(void); 
void  FM25V02_sleep(void); 
void  FM25V02_ID_read(uint8 *dst);
float FM25V02_data_read_float(uint32 addr16);
void FM25V02_data_write_float(uint32 addr16, float data);
double FM25V02_data_read_double(uint32 addr16);
void FM25V02_data_write_double(uint32 addr16, double data);
u32 FM25V02_data_read_uint32(uint32 addr16);
void FM25V02_data_write_uint32(uint32 addr16, uint32 data);
u16 FM25V02_data_read_uint16(uint32 addr16);
void FM25V02_data_write_uint16(uint32 addr16, uint16 data);



extern volatile u8 Fram_cs_flag ;
u8  EEPROM_MultipleWrite_CS_2(u8 *data,u32 addr,u16 bytes);

u8  EEPROM_MultipleRead_CS_2(u8 *data,u32 addr,u16 bytes);

void EEPROM_CS_2_test(void);

#endif