SCD_SCD/SCDV3/applications/peri/iic/iic.h

/*
 * Copyright (c) 2006-2021, RT-Thread Development Team
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
 * 2023-04-10     19813       the first version
 */
#ifndef APPLICATIONS_PERI_IIC_IIC_H_
#define APPLICATIONS_PERI_IIC_IIC_H_


/*********************↓           define           ↓************************/



/*********************↑           define           ↑************************/
/**
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/*********************↓           include           ↓************************/

#include <main.h>
#include <board.h>

/*********************↑           include           ↑************************/
/**
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/*********************↓           extern           ↓************************/



/*********************↑           extern           ↑************************/
/**
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/********************↓           declaration          ↓***********************/

typedef enum
{

    IIC1 = 0,
    IIC2 ,
    IIC3

}IICDef;

typedef struct
{
   GPIO_TypeDef *port;      // GPIO
   uint16_t SCL_pin;        // SCL 引脚
   uint16_t SDA_pin;        // SDA 引脚

   uint8_t SCL_us;          // SCL 延时时间
   uint8_t SDA_us;          // SDA 延时时间
 // uint8_t Ack;             // 是否回复
   uint8_t Devaddr;         // 设备地址

}IIC_Info;



void IIC_Init(IICDef i);
void IIC_Start(IICDef i);
void IIC_Stop(IICDef i);
void IIC_WriteByte(IICDef i, uint8_t data);
uint8_t IIC_Wait_Ask(IICDef i);

uint8_t IIC_FindAddr(IICDef i);
uint8_t IIC_AddrCheck(IICDef i , uint8_t *readaddr);

uint8_t IIC_DevReadByte(IICDef i, uint8_t addr);
uint8_t IIC_ReadByte(IICDef i);
uint8_t IIC_MultipleReadByte(IICDef i);
void IIC_DevReadBuf(IICDef i, uint8_t addr, uint8_t *rbuf ,uint8_t len);
void IIC_DevWriteByte(IICDef i, uint8_t addr, uint8_t data);
void IIC_DevWriteBuf(IICDef i, uint8_t addr, uint8_t *wbuf ,uint8_t len);



/********************↑           declaration          ↑***********************/
/**
 *
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/*********************↓        global variables      ↓************************/

/*********************↑        global variables      ↑************************/
/**
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#endif /* APPLICATIONS_PERI_IIC_IIC_H_ */