数码管._h

AVR之ATMega16

//包含所需头文件
#include <ioM16v.h>
#include <macros.h>




/*------宏定义------*/
#define uchar	unsigned char
#define uint	unsigned int

uchar LED_data[10]={0xC0,/*0*/0xF9,/*1*/0xA4,/*2*/0xB0,/*3*/0x99,/*4*/0x92,
                    /*5*/0x82,/*6*/0xF8,/*7*/0x80,/*8*/0x90,/*9*/};



void LED_init(void)
{
 	 DDRA=0xff;
	 DDRB|=0xff;
	 PORTA=0x00;
	 PORTB|=0x00;
}
void show_LED(uchar data1,uchar data2,uchar data3,uchar data4)
{
 	 PORTA=LED_data[data1];
	 PORTB=0xfe;
	 DelayMS(1);
	 
	 PORTA=LED_data[data2];
	 PORTB=0xfd;
	 DelayMS(1);
	 
	 PORTA=LED_data[data3];
	 PORTB=0xfb;
	 DelayMS(1);
	 
	 PORTA=LED_data[data4];
	 PORTB=0xf7;
	 DelayMS(1);
 	 
}