CHJ/user/MCU/lhl_i2c_soft.h

#ifndef __SoftI2C_h__
#define __SoftI2C_h__

//IIC<49>˿ڶ<CBBF><DAB6><EFBFBD>
#ifndef HIGH
#define HIGH   1      // HIGH
#define LOW    0      // LOW
#endif            
								  
#ifndef WR        
#define WR     0      // WRITE
#define RD     1      // READ
#endif
/*******************************************************************************/
#define SDA_IN()          EnableInput(I2C_SDA_GPIO, I2C_SDA_PINPOS);EnablePullUp(I2C_SDA_GPIO,I2C_SDA_PINPOS)  //<2F><><EFBFBD>벢<EFBFBD><EBB2A2><EFBFBD><EFBFBD>
#define SDA_OUT()         EnableOutput(I2C_SDA_GPIO, I2C_SDA_PINPOS)
#define SET_SDA()         SET_PIN(I2C_SDA_GPIO, I2C_SDA)
#define CLR_SDA()         CLR_PIN(I2C_SDA_GPIO, I2C_SDA)
#define READ_SDA()        READ_PIN(I2C_SDA_GPIO, I2C_SDA)

#define SCL_OUT()         EnableOutput(I2C_SCL_GPIO, I2C_SCL_PINPOS)
#define SET_SCL()         SET_PIN(I2C_SCL_GPIO, I2C_SCL)
#define CLR_SCL()         CLR_PIN(I2C_SCL_GPIO, I2C_SCL)
/*******************************************************************************/

//#define SDA_IN()        {I2C_GPIO->MODER &=~(3<<(7*2)); I2C_GPIO->MODER |=0<<7*2;}   //PA12<31><32><EFBFBD><EFBFBD>ģʽ
//#define SDA_OUT()       {I2C_GPIO->MODER &=~(3<<(7*2)); I2C_GPIO->MODER |=1<<7*2;}   //PA12<31><32><EFBFBD><EFBFBD>ģʽ

#define ENABLE_I2C_DELAY   0
#define SI2C_Delay()   __NOP();

//void I2C_Delay(void);H
void SI2C_Init(void);
void SI2C_Start(void);
void SI2C_Stop(void);
void SI2C_Ack(void);
void SI2C_NoAck(void);

u8 SI2C_TestAck(void);
u8 SI2C_Write(u8 writeData);
u8 SI2C_Read(void);

#endif