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case 0x19: //掃描的鍵值
cnt++;
if(TF1==1)
{
TF1 = 0;
TL1 = 0x00; //設(shè)置定時初值
TH1 = 0x4C; //設(shè)置定時初值
tcount++;
if(tcount == 20)
{
keycount();
// delay_ms(30);
cnt = 0;
}
}
void keycount(void)
{
switch(cnt)
{
case 1:
led1 = 1;
break;
case 2:
led2 = 1;
break;
case 3:
led3 = 1;
break;
}
}
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