i2c_api.h

См. документацию.

#ifndef I2C_API_H_INCLUDED
#define I2C_API_H_INCLUDED
 
#include "stm32l1xx.h"
 
#define I2C_SAFETY_TIMEOUT      2000000UL
 
#ifndef NULL
#define NULL                    ((void *)0)
#endif
 
typedef enum { I2C_ERROR_NONE,I2C_ERROR_START_FAIL,I2C_ERROR_ADDR_FAIL,I2C_ERROR_READ_FAIL,I2C_ERROR_WRITE_FAIL } i2c_error_t;
 
void init_i2c(I2C_TypeDef* i2c_inst,uint32_t sys_clk);
 
i2c_error_t i2c_read_with_pointer(I2C_TypeDef* i2c_inst,uint8_t i2c_addr,uint8_t pointer_byte,uint8_t read_length,uint8_t* read_buffer);
i2c_error_t i2c_write_with_pointer(I2C_TypeDef* i2c_inst,uint8_t i2c_addr,uint8_t pointer_byte,uint16_t write_length,uint8_t* write_buffer);
 
#endif /* I2C_API_H_INCLUDED */