i2c_driver.h

来自「STM32 I2C 模拟」· C头文件 代码 · 共 28 行

#ifndef __I2C_Driver_H
#define __I2C_Driver_H

/* Includes ------------------------------------------------------------------*/
#include "stm32f10x_lib.h"

#define SCL_H         GPIOB->BSRR = GPIO_Pin_6
#define SCL_L         GPIOB->BRR  = GPIO_Pin_6 
   
#define SDA_H         GPIOB->BSRR = GPIO_Pin_7
#define SDA_L         GPIOB->BRR  = GPIO_Pin_7

#define SCL_read      GPIOB->IDR  & GPIO_Pin_6
#define SDA_read      GPIOB->IDR  & GPIO_Pin_7

#define I2C_PageSize  8  //24C02每页8字节

void I2C_GPIO_Config(void);
bool I2C_WriteByte(u8 SendByte, u16 WriteAddress, u8 DeviceAddress);
bool I2C_BufferWrite(u8* pBuffer, u8 length,     u16 WriteAddress, u8 DeviceAddress);
void I2C_PageWrite(  u8* pBuffer, u8 length,     u16 WriteAddress, u8 DeviceAddress);
bool I2C_ReadByte(u8* pBuffer,   u8 length,     u16 ReadAddress,  u8 DeviceAddress);

#endif