51单片机数码管,静态显示学号40399244,求C语言程序怎么写 求附带电路...答:include<reg51.h>#define uchar unsigned charuchar code ledtab[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x40};//0-9unsigned char scanled;unsigned char disdat[8]="40399244";void t1isr() interrupt 3//显示{TH1=0xec;TL1=0x78;switch(scanled){case 0:P2=0x...