用51单片机C语言编写程序实现6位共阴极数码管循环显示0123456789ABCDEF...答://数码管段选 /* 8 9a b c def*/code uchar wen[] = {0xfe,0xfd,0xfb,0xf7,0xef,0xdf};//数码管位选uchar huancun[] = {0x00,0x00,0x00,0x00,0x00,0x00};//数码管段选缓存sbit duan = P2^6;//段选sbit wei = P2^7;//位选void delay(uchar x)//延时函数...