標(biāo)題: 單片機(jī)利用外部中斷1實(shí)現(xiàn)計(jì)數(shù)（靜態(tài)數(shù)碼管顯示）程序 [打印本頁(yè)]

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作者: 軒轅頂托    時(shí)間: 2021-7-19 18:17
標(biāo)題: 單片機(jī)利用外部中斷1實(shí)現(xiàn)計(jì)數(shù)（靜態(tài)數(shù)碼管顯示）程序
#include<reg51.h>
#define uchar unsigned char
#define uint unsigned int

char Duan_Code[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0x88,0x83,0xc6,0xa1,0x86,0x8e};
uchar Count=0;
void SEG7_Static_Display(uchar);
void Ex1_Initial(void);
void Display(void);
int main()
{
        Ex1_Initial();
        while(1)
        {
                Display();
        }
}

void SEG7_Static_Display(uchar Num)
{
        P0=Duan_Code[Num];
}

void Ex1_Initial(void)
{
        IT1=1;
        EA=1;
        EX1=1;
}

void Display(void)
{
        SEG7_Static_Display(Count);
        if(Count==10)
        {
                Count=0;
        }
}

void EX1_Int() interrupt 2
{
        Count++;
}

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