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chenxin
2026-04-23 10:50:18 +08:00
commit a436fda935
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48
RTX5_20220316/Driver/IIC/myiic.h Normal file
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#ifndef __MYIIC_H
#define __MYIIC_H
#include "sys.h"
//////////////////////////////////////////////////////////////////////////////////
//IO<49><4F><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
#define SDA_IN() {GPIOC->MODER&=0XFFF3FFFF; }
#define SDA_OUT() {GPIOC->MODER&=0XFFF3FFFF;GPIOC->MODER|=0X00040000; }
#define IIC_SCL_L GPIO_ResetBits(GPIOB,GPIO_Pin_8)
#define IIC_SCL_H GPIO_SetBits(GPIOB,GPIO_Pin_8)
#define IIC_SDA_L GPIO_ResetBits(GPIOB,GPIO_Pin_9)
#define IIC_SDA_H GPIO_SetBits(GPIOB,GPIO_Pin_9)
#define READ_SDA GPIO_ReadInputDataBit(GPIOB,GPIO_Pin_9)
//IIC<49><43><EFBFBD>в<EFBFBD><D0B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
void IIC_Init(void); //<2F><>ʼ<EFBFBD><CABC>IIC<49><43>IO<49><4F>
void IIC_Start(void); //<2F><><EFBFBD><EFBFBD>IIC<49><43>ʼ<EFBFBD>ź<EFBFBD>
void IIC_Stop(void); //<2F><><EFBFBD><EFBFBD>IICֹͣ<CDA3>ź<EFBFBD>
void IIC_Send_Byte(u8 txd); //IIC<49><43><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD>ֽ<EFBFBD>
u8 IIC_Read_Byte(unsigned char ack);//IIC<49><43>ȡһ<C8A1><D2BB><EFBFBD>ֽ<EFBFBD>
u8 IIC_Wait_Ack(void); //IIC<49>ȴ<EFBFBD>ACK<43>ź<EFBFBD>
void IIC_Ack(void); //IIC<49><43><EFBFBD><EFBFBD>ACK<43>ź<EFBFBD>
void IIC_NAck(void); //IIC<49><43><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ACK<43>ź<EFBFBD>
void IIC_Write_One_Byte(u8 daddr,u8 addr,u8 data);
u8 IIC_Read_One_Byte(u8 daddr,u8 addr);
#endif