单片机键盘扫描C程序答:include<reg51.h>#define uint unsigned int#define uchar unsigned charvoid delay(uint z);sbit LE=P1^4;uchar code table[]={0xfc,0x60,0xda,0xf2,0x66,0xb6,0xbe,0xe0,0xfe,0xf6,0xee,0x3e,0x9c,0x7a,0x9e,0x8e};void main(){uchar temp;uint num;while(1){P2=0xfe;//...
请问在单片机的程序中,怎样把音乐和数字钟加在一起?其中音乐是用的蜂鸣...答:0xF2, 0xF3, 0xF5, 0xF5, 0xF6, 0xF7, 0xF8, //低音1234567 0xF9, 0xF9, 0xFA, 0xFA, 0xFB, 0xFB, 0xFC, 0xFC,//1,2,3,4,5,6,7,i 0xFC, 0xFD, 0xFD, 0xFD, 0xFD, 0xFE, //高音 234567 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFF}...