單片機C語言編寫點亮兩盞led燈,首先從中間兩盞點亮,依次相鄰兩盞燈點亮,依次循環永不停息。

sbit M=P1^0;void delayms(unsigned char ms)

{

unsigned int i;

while(ms--)

{

for (i=0 ;i<100;i++);

}

}

main ()

{ unsigned char LED;

LED =0xff;

P1=LED;

while(1)

{ LED=0xe7;

P1=LED;

delayms(1000);

LED=0xdb;

P1=LED;

delayms(1000);

LED=0xbd;

P1=LED;

delayms(1000);

LED=0x7e;

P1=LED;

delayms(1000);

}

}