main.c

基于AVR单片机的CH451一应用。8个数码管

#include<avr/io.h>
#include<util/delay.h>
#include<avr/interrupt.h>
#include "ch451.h"

unsigned char ch451_key;

int main(void)
{

	DDRD=0xf7;
	PORTD=0xff;

	GICR=(1<<INT1);	//外部中断1使能

    sei();	
	_delay_ms(10);

	ch451_init();//CH451初始化
	ch451_key=0xff;

	ch451_write(CH451_DIG2|0x01);

	while (1)
	{

		if (ch451_key==0x4f)
		{
			ch451_write(CH451_DIG0|0x03);
			ch451_key=0xff;
		}

		if (ch451_key==0x4e)
		{
			ch451_write(CH451_LEFTCYC);
			ch451_key=0xff;
		}

		if (ch451_key==0x4d)
		{
			ch451_write(CH451_RIGHTCYC);
			ch451_key=0xff;
		}

		if (ch451_key==0x4c)
		{
			ch451_write(CH451_TWINKLE|0x01);
			ch451_key=0xff;
		}

		if (ch451_key==0x4b)
		{
			ch451_write(CH451_TWINKLE|0x00);
			ch451_key=0xff;
		}
	}

}