45 lines
1.2 KiB
C
45 lines
1.2 KiB
C
#ifndef __LHL_I2C_SOFT_H__
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#define __LHL_I2C_SOFT_H__
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//IIC¶Ë¿Ú¶¨Òå
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#ifndef HIGH
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#define HIGH 1 // HIGH
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#define LOW 0 // LOW
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#endif
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#ifndef WR
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#define WR 0 // WRITE
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#define RD 1 // READ
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#endif
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/*******************************************************************************/
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#define SDA_IN() EnableInput(I2C_SDA_GPIO, I2C_SDA_PINPOS)
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#define SDA_OUT() EnableOutput(I2C_SDA_GPIO, I2C_SDA_PINPOS)
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#define SET_SDA() SET_PIN(I2C_SDA_GPIO, I2C_SDA)
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#define CLR_SDA() CLR_PIN(I2C_SDA_GPIO, I2C_SDA)
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#define READ_SDA() READ_PIN(I2C_SDA_GPIO, I2C_SDA)
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#define SCL_OUT() EnableOutput(I2C_SCL_GPIO, I2C_SCL_PINPOS)
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#define SET_SCL() SET_PIN(I2C_SCL_GPIO, I2C_SCL)
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#define CLR_SCL() CLR_PIN(I2C_SCL_GPIO, I2C_SCL)
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/*******************************************************************************/
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#define ENABLE_I2C_DELAY 0
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#define SI2C_Delay() __NOP();
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void SI2C_Init(void);
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void SI2C_Start(void);
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void SI2C_Stop(void);
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void SI2C_Ack(void);
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void SI2C_NoAck(void);
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uint8_t SI2C_TestAck(void);
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uint8_t SI2C_Write(uint8_t writeData);
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uint8_t SI2C_Read(void);
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#endif
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