求51单片机共阴极四位数码管0000-9999循环的代码编写思路

相信这个可以帮助到你 #include #define uchar unsigned char void delayms(uchar ms); int main(void) { unsigned char led[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90}; //0-9共阳数码管段码 unsigned char i; P2=0x00; //共阳数码管位选置0 while(1) { for(i=0;i