#ifndef __I2C_H
#define	__I2C_H

#include "stm32h7xx.h"
		
//extern I2C_HandleTypeDef  I2C_Handle;

/* 这个地址只要与STM32外挂的I2C器件地址不一样即可 */
#define I2C_OWN_ADDRESS7      0X0A   

#define I2Cx_FLAG_TIMEOUT             ((uint32_t) 1000) //0x1100
#define I2Cx_LONG_TIMEOUT             ((uint32_t) (300 * I2Cx_FLAG_TIMEOUT)) //was300

#define I2Cx                             I2C1
#define I2Cx_CLK_ENABLE()                __HAL_RCC_I2C1_CLK_ENABLE()
#define I2Cx_SDA_GPIO_CLK_ENABLE()       __HAL_RCC_GPIOB_CLK_ENABLE()
#define I2Cx_SCL_GPIO_CLK_ENABLE()       __HAL_RCC_GPIOB_CLK_ENABLE() 

#define I2Cx_FORCE_RESET()               __HAL_RCC_I2C1_FORCE_RESET()
#define I2Cx_RELEASE_RESET()             __HAL_RCC_I2C1_RELEASE_RESET()

/* Definition for I2Cx Pins */
#define I2Cx_SCL_PIN                    GPIO_PIN_8
#define I2Cx_SCL_GPIO_PORT              GPIOB
#define I2Cx_SCL_AF                     GPIO_AF4_I2C1
#define I2Cx_SDA_PIN                    GPIO_PIN_9
#define I2Cx_SDA_GPIO_PORT              GPIOB
#define I2Cx_SDA_AF                     GPIO_AF4_I2C1

/*信息输出*/
#define EEPROM_DEBUG_ON         0

#define EEPROM_INFO(fmt,arg...)           printf("<<-EEPROM-INFO->> "fmt"\n",##arg)
#define EEPROM_ERROR(fmt,arg...)          printf("<<-EEPROM-ERROR->> "fmt"\n",##arg)
#define EEPROM_DEBUG(fmt,arg...)          do{\
                                          if(EEPROM_DEBUG_ON)\
                                          printf("<<-EEPROM-DEBUG->> [%d]"fmt"\n",__LINE__, ##arg);\
                                          }while(0)

/* 函数声明 */

void I2C_Mode_Config(void);
int Sensors_I2C_ReadRegister(unsigned char slave_addr,
                                       unsigned char reg_addr,
                                       unsigned short len, 
                                       unsigned char *data_ptr);
int Sensors_I2C_WriteRegister(unsigned char slave_addr,
                                        unsigned char reg_addr,
                                        unsigned short len, 
                                        unsigned char *data_ptr);

#endif /* __I2C_H */