mcu.h

AVR的PS2键盘控制程序,通过AVR单片机读取PS2键盘的数据

/*====================================
MCU.h
====================================*/
#include"ioavr.h"

#define WDR()   asm("wdr")
#define CLI()   asm("cli")
#define SEI()   asm("sei")
#define UartTxd(x)   {while(!(UCSR0A & 0x20));UDR0=x;}

unsigned char SpiWrite(unsigned char data);
unsigned int GetAdc(unsigned char channel);
unsigned char ValueToChar(unsigned char x);
unsigned char CharToValue(unsigned char x);
void DelayMs(unsigned int time);
void UartTxdStr(char const *p);
void UartTxdStr(char __flash *p);
void UartTxdStr(unsigned char *p,unsigned char length);
unsigned char relative(unsigned char a,unsigned char b);
unsigned char I2Cwrite(unsigned char chSlave,unsigned char chSub,unsigned char chData);
unsigned char I2Cread(unsigned char chSlave,unsigned char chSub,unsigned char* chData);
void EEPROMwrite(unsigned int sub,unsigned char data);
unsigned char EEPROMread(unsigned int sub);

/*====================================
END
====================================*/