#ifndef _E2P_H_
#define _E2P_H_

#include "define_all.h" 
#include "spi.h"

// E2P´óС
#define EEPROM_PHYS_SIZE (256 * 1024)
// E2P×Ô¶¨ÒåµÄ¿é´óС
#define EEPROM_CFG_BLOCK_SIZE 4096
// E2P×Ô¶¨ÒåµÄ¿éÊýÁ¿
#define EEPROM_CFG_BLOCK_CNT (EEPROM_PHYS_SIZE / EEPROM_CFG_BLOCK_SIZE)
// E2PÆðʼµØÖ·
#define EEPROM_PHYS_START_ADDR 0

//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

//PWR
#define E2P_PWR_PORT 		GPIOF
#define E2P_PWR_PIN 		GPIO_Pin_15

// E2PƬѡ1
#define E2P_CS1_PORT 		SPI0_CS_PORT
#define E2P_CS1_PIN 		SPI0_CS1_PIN

// E2PƬѡ2
#define E2P_CS2_PORT 		SPI0_CS_PORT
#define E2P_CS2_PIN 		SPI0_CS2_PIN


#define E2P_PWR_ON 				GPIO_ResetBits(E2P_PWR_PORT,E2P_PWR_PIN)
#define E2P_PWR_OFF 			GPIO_SetBits(E2P_PWR_PORT,E2P_PWR_PIN)

#define E2P_CS1_L					GPIO_ResetBits(E2P_CS1_PORT,E2P_CS1_PIN)//ƬѡÀ­µÍ
#define E2P_CS1_H					GPIO_SetBits(E2P_CS1_PORT,E2P_CS1_PIN)//ƬѡÀ­¸ß

#define E2P_CS2_L					GPIO_ResetBits(E2P_CS2_PORT,E2P_CS2_PIN)//ƬѡÀ­µÍ
#define E2P_CS2_H					GPIO_SetBits(E2P_CS2_PORT,E2P_CS2_PIN)//ƬѡÀ­¸ß



//typedef enum
//{
//  CS_1 = 0U,
//	CS_2,
//}CS_TYPED_T;

//#define  FM25V02_CS_LOW(__CS_TYPE__) 	do{if(__CS_TYPE__ == CS_1){E2P_CS1_L;E2P_CS2_H;}else{E2P_CS2_L;E2P_CS1_H;}}while(0)    
//#define  FM25V02_CS_HIGH      				do{E2P_CS1_H;E2P_CS2_H;}while(0)  

#define	FM_ReadWriteByte(dat) SpiWriteAndRead(dat)


#pragma pack(1)

typedef union 
{
  	double 	dou;
	uint8_t		data[8];
}double_un; 

typedef union 
{
  	float 	flo;
	uint8_t	data[4];
}float_un;


typedef union 
{
  uint32_t 	uio;
	uint8_t	data[4];
}u32_un;

typedef union 
{
  uint16_t 	uso;
	uint8_t	data[2];
}u16_un;

typedef struct
{
	uint8_t 	test_u8;
	uint16_t 	test_u16;
	uint32_t 	test_u32;
	float 		test_f;
	double	 	test_d;
}E2P_TEST_DATA_T;

#pragma pack()



extern E2P_TEST_DATA_T e2p_test_data_g;

void E2p_IO_Init(void);


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

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

void  FM25V02_data_write(uint8_t data,uint32_t addr16);

uint8_t FM25V02_data_read(uint32_t addr16); 
void  FM25V02_stat_write(uint8_t stat);
uint8_t FM25V02_stat_read(void); 
void  FM25V02_sleep(void); 
void  FM25V02_ID_read(uint8_t *dst);
float FM25V02_data_read_float(uint32_t addr16);
void FM25V02_data_write_float(uint32_t addr16, float data);
double FM25V02_data_read_double(uint32_t addr16);
void FM25V02_data_write_double(uint32_t addr16, double data);
u32 FM25V02_data_read_uint32(uint32_t addr16);
void FM25V02_data_write_uint32(uint32_t addr16, uint32_t data);

u32 FM25V02_data_read_uint32_Check(uint32 addr16) ;
void FM25V02_data_write_uint32_WRCheck(uint32 addr16, uint32 data);

u16 FM25V02_data_read_uint16(uint32_t addr16);
void FM25V02_data_write_uint16(uint32_t addr16, uint16_t data);

void E2p_Write_Test(uint8_t data_8,uint16_t data_16,uint32_t data_32,float data_f,double data_d);
void E2p_Read_Test(void);

#endif