CHJ/user/MCU/lhl_i2c_soft.h

#ifndef __LHL_I2C_SOFT_H__
#define __LHL_I2C_SOFT_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)
#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 ENABLE_I2C_DELAY   0

#define   SI2C_Delay()   __NOP();

void SI2C_Init(void);
void SI2C_Start(void);
void SI2C_Stop(void);
void SI2C_Ack(void);
void SI2C_NoAck(void);

uint8_t SI2C_TestAck(void);
uint8_t SI2C_Write(uint8_t writeData);
uint8_t SI2C_Read(void);

#endif