用的单片机型号是P89V51RD2,数码管是共阳极的,我的疑惑是这个main函数没有循环啊,为什么单片机开发板上的数码管数字却从0到9 ,然后又循环显示0到9. #include <reg51.h> unsigned int n; unsigned char tab[]={0x03,0x9f,0x25,0x0d,0x99,0x49,0x41,0x1f,0x01,0x19,0x11,0xc1,0x63,0x85,0x61,0x71}; void delay1ms(unsigned int i) { unsigned char j; while(i--) { for(j=0;j<125;j++); } } void main() { P1=0x10;
for(n=0;n<10;n++) { P0=tab[n]; delay1ms(1000); } }
[此贴子已经被作者于2012-10-16 23:01:54编辑过]
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