代码收藏家技术教程 2024-07-04

学习单片机C52——小星星实例

#include <REGX52.H>
sbit beep=P2^5;
unsigned int tone_arr[]={63628,63835,64021,64103,64260,64400,64524,//低音
                       64580,64684,64777,64820,64898,64968,65030,//中音
                       65058,65110,65157,65160,65217,65252,65282};//高音
int tone_time[]={500,500,250,125,1000};//音长
int xiaoxingxing_arr[]={1,1,5,5,6,6,45,4,4,3,3,2,2,51,5,5,4,4,3,3,52,
5,5,4,4,3,3,52,1,1,5,5,6,6,55,4,4,3,3,2,2,51};//小星星42
static int i=0;
static int j=0;
static int k=0;
void T0_init(){
   TMOD=0x01;
   TH0=63628/255;
   TL0=63628%255;
   TR0=1;
   EA=1;
   ET0=1;
}
void T0_INT0() interrupt 1{
   int* tone_time_p=&tone_time;
   int* xiaoxingxing_p=&xiaoxingxing_arr;
   unsigned int* tone_p=&tone_arr;
   if(i<=*(tone_time_p+(*(xiaoxingxing_p+k)/10))){//音长
       TH0=*(tone_p+(*(xiaoxingxing_p+k)%10))/255;//音调
       TL0=*(tone_p+(*(xiaoxingxing_p+k)%10))%255;
       beep=~beep;
   }
   else{
       if(j<=19){j++;i=0;}
       if(j>19){j=0;i=0;}
       if(k<=40){k++;}
       if(k>40){k=0;}
   }
   i++;
}
void main(){
   T0_init();
   while(1);
}
#include <REGX52.H>
sbit beep=P2^5;
unsigned int tone_arr[]={63628,63835,64021,64103,64260,64400,64524,//低音
                       64580,64684,64777,64820,64898,64968,65030,//中音
                       65058,65110,65157,65160,65217,65252,65282};//高音
int tone_time[]={500,500,250,125,1000};//音长
int xiaoxingxing_arr[]={1,1,5,5,6,6,45,4,4,3,3,2,2,51,5,5,4,4,3,3,52,
5,5,4,4,3,3,52,1,1,5,5,6,6,55,4,4,3,3,2,2,51};//小星星42
static int i=0;
static int j=0;
static int k=0;
void T0_init(){
   TMOD=0x01;
   TH0=63628/255;
   TL0=63628%255;
   TR0=1;
   EA=1;
   ET0=1;
}
void T0_INT0() interrupt 1{
   int* tone_time_p=&tone_time;
   int* xiaoxingxing_p=&xiaoxingxing_arr;
   unsigned int* tone_p=&tone_arr;
   if(i<=*(tone_time_p+(*(xiaoxingxing_p+k)/10))){//音长
       TH0=*(tone_p+(*(xiaoxingxing_p+k)%10))/255;//音调
       TL0=*(tone_p+(*(xiaoxingxing_p+k)%10))%255;
       beep=~beep;
   }
   else{
       if(j<=19){j++;i=0;}
       if(j>19){j=0;i=0;}
       if(k<=40){k++;}
       if(k>40){k=0;}
   }
   i++;
}
void main(){
   T0_init();
   while(1);
}