38 lines
862 B
C
38 lines
862 B
C
/*
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* iic.h
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*
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* Created on: Oct 24, 2021
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* Author: wuwenfeng
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*/
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#ifndef IIC_H_
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#define IIC_H_
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#include "main.h"
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//产生IIC起始信号
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void IIC_Start(void);
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//产生IIC停止信号
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void IIC_Stop(void);
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//等待应答信号到来
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//返回值：1，接收应答失败
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// 0，接收应答成功
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uint8_t IIC_Wait_Ack(void);
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//产生ACK应答
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void IIC_Ack(void);
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//不产生ACK应答
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void IIC_NAck(void);
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//IIC发送一个字节
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//返回从机有无应答
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//1，有应答
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//0，无应答
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void IIC_Send_Byte(uint8_t txd);
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//读1个字节，ack=1时，发送ACK，ack=0，发送nACK
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uint8_t IIC_Read_Byte(unsigned char ack);
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void IIC_SAND_DATE(unsigned char DEVICE_ADD,unsigned char IN_DEVICE_ADD,char *DATAS,uint16_t LONG);
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void IIC_READ_DATE(unsigned char DEVICE_ADD,unsigned char IN_DEVICE_ADD,char *DATAS,uint16_t LONG);
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#endif /* IIC_H_ */
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