我想用五一单片机实现用独立按键控制数码管计数,我的程序如下,请问哪里...答:char smg [17]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d 0x07,0x7f,0x6f};从你使用的这个字形码看,1的字形码是0x06,2+4即.2位和.3两个led段亮,固使用的是共阴 阳码。再看你的输出部分 switch ( j ){ case 0:LSA=0;LSB=0;LSC=0;P0=smg[0]; break ; case 1:LSA=0;LSB...
跪求单片机8个按键的独立式键盘实验C程序源码!!!AT89C51的芯片、共阴...答:include<reg51.h>#include<intrins.h>#define nop() _nop_()#define keyport P1#define ledport P2unsigned char code seg[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71}; //共阴数码管段码void delayms(unsigned int ms) //12M{ ...