dianziqin.rar_ dianziqin_dianziqin_按键_按键长按

#include<reg51.h> #include<absacc.h> #include<intrins.h> #define uchar unsigned char #define uint unsigned int #define PA XBYTE[0xff7c] #define PB XBYTE[0xff7d] #define PC XBYTE[0xff7e] #define CTRL XBYTE[0xff7f] sbit sound=P2^0; sbit duanma=P2^2; sbit m=P2^3; uint tab[]={64400,64580,64684,64777,64820,64898,64968,65030,65058,65110,64994}; //音符的T值 uchar code table[]={ 0x3f,0x06,0x5b,0x4f, 0x66,0x6d,0x7d,0x07, 0x7f,0x6f,0x77,0x7c, 0x39,0x5e,0x79,0x71}; int num=0,savenum[8]={0,0,0,0,0,0,0,0},cnt=0; //存储最近8个按键 int x; uchar temp; void anjian(); void music(); void delay(uint z); void display(int *z); void main() { EA=1; TMOD=0x01; ET0=1; PT0=1; CTRL=0x90; while(1) { anjian(); music(); } } void anjian() { temp=PA; delay(10); switch(temp) { case 0x7f:num=1; break; case 0xbf:num=2; break; case 0xdf:num=3; break; case 0xef:num=4; break; case 0xf7:num=5; break; case 0xfb:num=6; break; case 0xfd:num=7; break; case 0xfe:num=8; break; } if(temp!=0xff) { delay(5); for(cnt=0;cnt<7;cnt++) { savenum[cnt]=savenum[cnt+1]; } savenum[cnt++]=(num); if(cnt==8) { cnt=0; } TH0=tab[num]/256; TL0=tab[num]%256; TR0=1; delay(15); temp=PA; for(x=0;x<=5;x++) { display(savenum); } } if(temp==0xff) { TR0=0; display(savenum); } sound=1; } void delay(uint z) { uint x,y; for(x=z;x>0;x--) { for(y=120;y>0;y--); } } void shengyin() interrupt 1 { TH0=tab[num]/256; TL0=tab[num]%256; sound=~sound; } void display(int *z) { int x; uchar weixuan; weixuan=0xfe; for(x=0;x<=7;x++) { PC=weixuan; //位码 PB=table[z[x]]; //段码 duanma=1; duanma=0; delay(5); PC=0xff;//清零 weixuan=_crol_(weixuan,1); } } void music() { if(m==0) { delay(5); PC=0x00; //全显示 PB=0x3e; //显示字母U duanma=1; duanma=0; delay(10); if(m==0) { delay(2000); if(m==0) { num=2; TR0=1; delay(600);//音符长度 TR0=0; delay(100);//间隔长度 num=3; TR0=1; delay(300); TR0=0; delay(100); num=4; TR0=1; delay(600); TR0=0; delay(100); num=5; TR0=1; delay(300); TR0=0; delay(100); num=6; TR0=1; delay(600); TR0=0; delay(100); num=8; TR0=1; delay(150); TR0=0; delay(50); num=10; TR0=1; delay(150); TR0=0; delay(50); num=6; TR0=1; delay(900); TR0=0; delay(200); num=6; TR0=1; delay(600); TR0=0; delay(100); num=10; TR0=1; delay(300); TR0=0; delay(100); num=8; TR0=1; delay(600); TR0=0; delay(100); num=9; TR0=1; delay(150); TR0=0; delay(50); num=10; TR0=1; delay(150); TR0=0; delay(50); num=6; TR0=1; delay(600); TR0=0; delay(100); num=5; TR0=1; delay(300); TR0=0; delay(100); num=6; TR0=1; delay(900); TR0=0; delay(200); num=10; TR0=1; delay(600); TR0=0; delay(100); num=8; TR0=1; delay(300); TR0=0; delay(100); num=6; TR0=1; delay(600); TR0=0; delay(100); num=4; TR0=1; delay(300); TR0=0; delay(100); num=5; TR0=1; delay(600); TR0=0; delay(100); num=10; TR0=1; delay(150); TR0=0; delay(50); num=6; TR0=1; delay(150); TR0=0; delay(50); num=4; TR0=1; delay(600); TR0=0; delay(100); num=2; TR0=1; delay(300); TR0=0; delay(100); num=3; TR0=1; delay(600); TR0=0; delay(100); num=1; TR0=1; delay(300); TR0=0; delay(100); num=0; TR0=1; delay(600); TR0=0; delay(100); num=3; TR0=1; delay(300); TR0=0; delay(100); num=2; TR0=1; delay(1500); TR0=0; delay(200); } } } }