6447| 8
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188數碼管如何用單片機點亮? 求幫助 |
10黑幣
最佳答案void PALY1(unsigned char sm)
{
switch(sm)
{
case 0: break;
case 1: YA=YB=YC=YD=0;YD=1;LED2=LED4=0;delay_ms(1);LED2=LED4=1;break;
}
}
void PALY2(unsigned char sm)
{
YA=YB=YC=YD=0;
switch(sm)
{
case 0: YA=YB=YC=YD=1;LED1=0;delay_ms(1);LED1=1;YA=YB=YC=YD=0;YA=YC=1; LED2=0;delay_ms(1);LED2=1;break;
case 1: YB=YC=1; LED1=0;delay_ms(1);LED1=1;break;
...
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