資源簡介
單片機c語言程序,任意時間倒計時,最后2min時間報警
代碼片段和文件信息
#include
#define?uchar?unsigned?char
uchar?code?table[]={
0x3f0x060x5b0x4f0x660x6d0x7d0x070x7f0x6f0x40};
uchar?numnum0benumflag;
char?shi=23fen=59miao=59;
sbit?k1=P3^0;
sbit?k2=P3^1;
sbit?k3=P3^2;
sbit?k4=P3^3;
sbit?k5=P3^4;
sbit?k6=P3^5;
sbit?k7=P3^6;
sbit?k8=P3^7;
sbit?beef=P1^5;
sbit?deadline=P1^4;
sbit?dishurry=P1^3;
sbit?stop=P1^2;
sbit?play=P1^1;
void?delay(uchar?z)
{ ???//延時子程序
uchar?xy;
for(x=z;x>0;x--)
for(y=110;y>0;y--);
}
void?display() ??//顯示子程序
{
uchar?sshisgefshifgemshimge;
sshi=shi/10;sge=shi%10;
fshi=fen/10;fge=fen%10;
mshi=miao/10;mge=miao%10;
P0=table[sshi];P2=0x00;delay(1);P0=0;
P0=table[sge];P2=0x04;delay(1);P0=0;
P0=table[10];P2=0x08;delay(1);P0=0;
P0=table[fshi];P2=0x0c;delay(
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