单片机程序大全(共29页).doc

精选优质文档-倾情为你奉上独立按键#include#define uchar unsigned char#define uint unsigned intsbit P27=P27;sbit K5=P14;sbit fmq=P36;uchar num;unsigned char code s816=0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0x88,0x83,0xc6,0xa1,0x86,0x8e;void delay1ms(uint i)uchar j; while(i-) for(j=0;j115;j+) /1ms基准延时程序 ;void beep()/产生1KHZ频率声音的函数 fmq=0;delay500us();fmq=1;delay500us();void delay500us()unsigned char j; for(j=