gio_i2c.c

来自「tecwell 2835 motion function 初始化及設定值 4」· C语言 代码 · 共 39 行

#include <REG_MPC82G516.h>//"C:\Keil\C51\INC\Megawin\REG_MPC82G516.h"  //REG_MPC82G516.h	   //reg82xx.h
#include <intrins.h>
#include "Delay.h"

sbit D7		= P3^7;
sbit D6		= P3^5;
sbit D5		= P3^4;
sbit D4		= P3^3;
sbit RW		= P2^6;

#define RS P23
#define ENABLE P32

#define ISDA P27//P1_7
#define ISCL P26//P1_6

//typedef bit Bool;
//typedef unsigned char Byte;
Byte P_bytedata; //	 Byte

 
void delay5us(unsigned char);
void delay1ms(unsigned char);

///I2c
void I2cWait(void);
void I2cInitial(void);
void I2cStart(void);
void I2cStop(void);
Byte I2cByteRead(Byte device,Byte address);

BOOL I2cSentByte(Byte bytedata);
Byte I2cReceiveByte(void);
void SendAcknowledge(BOOL ack);
void I2cByteWrite(Byte device,Byte address,Byte bytedata);


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