#ifndef __DRV_AT24CXX_H__
#define __DRV_AT24CXX_H__


#include "stm32f1xx_hal.h"
#include "i2c.h"


#define x24C256//器件名称，AT24C32、AT24C64、AT24C128、AT24C256、AT24C512



#ifdef x24C01
	#define PAGE_NUM			16						//页数
	#define PAGE_SIZE			8						//页面大小(字节)
	#define CAPACITY_SIZE		(PAGE_NUM * PAGE_SIZE)	//总容量(字节)
	#define ADDR_BYTE_NUM		1						//地址字节个数
#endif 
 
#ifdef x24C02
	#define PAGE_NUM			32						//页数 
	#define PAGE_SIZE			8						//页面大小(字节)
	#define CAPACITY_SIZE		(PAGE_NUM * PAGE_SIZE)	//总容量(字节)
	#define ADDR_BYTE_NUM		1						//地址字节个数
#endif


#ifdef x24C04
 	#define PAGE_NUM			32						//页数
	#define PAGE_SIZE			16						//页面大小(字节)
	#define CAPACITY_SIZE		(PAGE_NUM * PAGE_SIZE)	//总容量(字节)
	#define ADDR_BYTE_NUM		1						//地址字节个数
#endif
 
#ifdef x24C08
 	#define PAGE_NUM			64						//页数
	#define PAGE_SIZE			16						//页面大小(字节)
	#define CAPACITY_SIZE		(PAGE_NUM * PAGE_SIZE)	//总容量(字节)
	#define ADDR_BYTE_NUM		1						//地址字节个数
#endif
 
#ifdef x24C16
 	#define PAGE_NUM			128						//页数
	#define PAGE_SIZE			16						//页面大小(字节)
	#define CAPACITY_SIZE		(PAGE_NUM * PAGE_SIZE)	//总容量(字节)
	#define ADDR_BYTE_NUM		1						//地址字节个数
#endif


#ifdef x24C32
 	#define PAGE_NUM			128						//页数
	#define PAGE_SIZE			32						//页面大小(字节)
	#define CAPACITY_SIZE		(PAGE_NUM * PAGE_SIZE)	//总容量(字节)
	#define ADDR_BYTE_NUM		2						//地址字节个数
#endif
 
#ifdef x24C64
 	#define PAGE_NUM			256						//页数
	#define PAGE_SIZE			32						//页面大小(字节)
	#define CAPACITY_SIZE		(PAGE_NUM * PAGE_SIZE)	//总容量(字节)
	#define ADDR_BYTE_NUM		2						//地址字节个数
#endif
 
#ifdef x24C128
 	#define PAGE_NUM			256						//页数
	#define PAGE_SIZE			64						//页面大小(字节)
	#define CAPACITY_SIZE		(PAGE_NUM * PAGE_SIZE)	//总容量(字节)
	#define ADDR_BYTE_NUM		2						//地址字节个数
#endif
 
#ifdef x24C256
 	#define PAGE_NUM			512						//页数
	#define PAGE_SIZE			64						//页面大小(字节)
	#define CAPACITY_SIZE		(PAGE_NUM * PAGE_SIZE)	//总容量(字节)
	#define ADDR_BYTE_NUM		2						//地址字节个数
#endif
 
#ifdef x24C512
 	#define PAGE_NUM			512						//页数
	#define PAGE_SIZE			128						//页面大小(字节) 
	#define CAPACITY_SIZE		(PAGE_NUM * PAGE_SIZE)	//总容量(字节)
	#define ADDR_BYTE_NUM		2						//地址字节个数
#endif


#define	   DEV_ADDR     		0xA0



typedef struct i2c_drv {
	I2C_HandleTypeDef *hi2c;
	uint16_t address;
	uint16_t addr_num;
	
	uint32_t page_num;
	uint32_t page_size;
	uint16_t capacity;
	
	
	uint16_t delay;
}I2C_t;

extern I2C_t drv_i2c;

I2C_t* AT24C_Init(I2C_HandleTypeDef *hi2c);

unsigned char AT24C_Write(uint16_t addr,uint8_t* buff,uint16_t len);

unsigned char AT24C_Read(uint16_t addr,uint8_t* buff,uint16_t len);





















#endif