#ifndef __EEPROM_H
#define __EEPROM_H
 
#include "main.h"

#define EE_MODEL_NAME		"M24C64"
#define EE_DEV_ADDR			0xA0			/* 设备地址 */
#define EE_PAGE_SIZE		32				/* 页面大小(字节) */
#define EE_SIZE				(8*1024)		/* 总容量(字节) */
#define EE_ADDR_BYTES		2			 	/* 地址字节个数 */

#define EEPROM_WriteAddress1    0x00
#define EEPROM_ReadAddress1     0x00
#define BufferSize1             sizeof(Tx1_Buffer)
	
#define PRO1_ADDR EEPROM_WriteAddress1
#define PRO2_ADDR EEPROM_WriteAddress1 + 12

extern uint8_t Tx1_Buffer[];
extern uint8_t Rx1_Buffer[];

#define I2C_WR 0
#define I2C_RD 1

// 定义I2C总线连接的GPIO端口, 用户只需要修改下面3行代码即可任意改变SCL和SDA的引脚 
#define GPIO_PORT_I2C	GPIOB			     // GPIO端口 
#define I2C_SCL_PIN		GPIO_PIN_6			 // 连接到SCL时钟线的GPIO 
#define I2C_SDA_PIN		GPIO_PIN_7			 // 连接到SDA数据线的GPIO 

/* 定义读写SCL和SDA的宏 */
#define I2C_SCL_1()  GPIO_PORT_I2C->BSRR = I2C_SCL_PIN							// SCL = 1 
#define I2C_SCL_0()  GPIO_PORT_I2C->BSRR = (uint32_t)I2C_SCL_PIN << 16U  		// SCL = 0 

#define I2C_SDA_1()  GPIO_PORT_I2C->BSRR = I2C_SDA_PIN   						// SDA = 1 
#define I2C_SDA_0()  GPIO_PORT_I2C->BSRR = (uint32_t)I2C_SDA_PIN << 16U  		// SDA = 0 

#define I2C_SDA_READ()  (GPIO_PORT_I2C->IDR & I2C_SDA_PIN)						// 读SDA口线状态 
#define I2C_SCL_READ()  (GPIO_PORT_I2C->IDR & I2C_SCL_PIN)						// 读SCL口线状态


void ee_io_init(void);
uint8_t ee_writebytes(uint8_t *_pWriteBuf, uint16_t _usAddress, uint16_t _usSize);
uint8_t ee_readbytes(uint8_t *_pReadBuf, uint16_t _usAddress, uint16_t _usSize);

void ee_writefloats(uint16_t _usAddress, float wr_data[3], uint8_t _usSize);
void ee_readfloats(uint16_t _usAddress, float rd_data[3], uint8_t _usSize);

#endif
/*! end of the file */