AC-Motor-FU6815/User/source/Hardware/I2C.c

/********************************************************************************

 **** Copyright (C), 2019, Fortior Technology Co., Ltd.                      ****

 ********************************************************************************
 * File Name     : I2C.c
 * Author        : Bruce HW&RD
 * Date          : 2019-03-27
 * Description   : .C file function description
 * Version       : 1.0
 * Function List :
 * 
 * Record        :
 * 1.Date        : 2019-03-27
 *   Author      : Bruce HW&RD
 *   Modification: Created file

********************************************************************************/

#include "I2C.h"

/*
void I2C_Init_Master(void)
{
    SetBit(P0_PU , P00);
    SetBit(P0_PU , P01);
   // I2C initial
    SetBit(I2C_CR , I2CMS);	    //主从模式选择	0-->Slave Mode  1-->Host Mode
    ClrBit(I2C_CR , I2CSPD1);	//00-->100kHz		01-->400kHz
    SetBit(I2C_CR , I2CSPD0);	//10-->1MHz			11-->RSV
    ClrBit(I2C_CR , I2CIE);	    //中断使能		   0-->Disable 1-->Enable
    I2C_ID = 0xD0;   
    SetBit(I2C_ID , GC);	//广播呼叫使能	0-->Disable 1-->Enable
    SetBit(I2C_CR , I2CEN);	//I2C使能		0-->Disable 1-->Enable
}

void I2C_ID_Start(bool rw)
{
    if(rw)
        SetBit(I2C_SR , DMOD);	
    else
        ClrBit(I2C_SR , DMOD);	
    SetBit(I2C_SR , I2CSTA);	//1-->发送START或RESTART和地址字节
    while(!ReadBit(I2C_SR , STR));
    ClrBit(I2C_SR , STR);    
}

void I2C_Addr_Write(unsigned char addr,unsigned char wdata)
{
    I2C_ID_Start(0);    // ID write

    I2C_DR = addr;      // Slave reg addr.
    while(!ReadBit(I2C_SR , STR));	
    ClrBit(I2C_SR , STR);

    I2C_DR = wdata;     // Slave reg data.
    while(!ReadBit(I2C_SR , STR));	
    ClrBit(I2C_SR , STR);
    SetBit(I2C_SR , I2CSTP);	//1-->发送STOP
}

unsigned char I2C_Addr_Read(char addr)
{
    unsigned char rd_data;
    //write process  
    I2C_ID_Start(0);  // write+ID
    I2C_DR = addr;   // write reg. addr
    while(!ReadBit(I2C_SR , STR));	
    ClrBit(I2C_SR , STR);
//    SetBit(I2C_SR , I2CSTP);	//1-->发送STOP

    //read process
    I2C_ID_Start(1);  // read+ID
    while(!ReadBit(I2C_SR , STR));	 
    ClrBit(I2C_SR , STR);
    rd_data = (unsigned char)(I2C_DR); // read data
    SetBit(I2C_SR , NACK);      //第9位发送NACK 
    SetBit(I2C_SR , I2CSTP);    //1-->发送STOP
    return(rd_data);
}*/