include
#defineucharunsignedchar
#defineuintunsignedint
ucharnum=0;
//共阴数码管七段码
ucharcodetable[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77};
voidDelay1ms(uinti)//1ms延时程序
{
uintj;
for(;i>0;i--)
{
for(j=0;j<164;j++)
{;}
}
}
voidmain(void)//主程序
{
while(1)
{
delay_ms(1000);
num++;
if(num==100)num=0;
P0=table[num/10];
P2=table[num%10];
