帮忙看看这程序哪些是无用和多余的

ti

本帖最后由 eehome 于 2013-1-5 10:06 编辑

总感觉图和程序有点对不上

程序：
#include
#define uchar unsigned char
#define uint  unsigned int
***it duan=P2^6;
***it key1=P3^2;//按key1可切换花样
***it key2=P3^3;//按key2可切换歌曲
***it fm=P2^3;//蜂鸣器连续的IO口
uchar code huayang1[]={0x7f,0xbf,0xdf,0xef,0xf7,0xfb,0xfd,0xfe,
0xfd,0xfb,0xf7,0xef,0xdf,0xbf};//花样1
uchar code huayang2[]={0x7f,0xfe,0xbf,0xfd,0xdf,0xfb,0xef,0xf7,
0xef,0xfb,0xdf,0xfd,0xbf,0xfe};//花样2
uchar code huayang3[]={0x7f,0x3f,0x1f,0x0f,0x07,0x03,0x01,0x0,
0x80,0xc0,0xe0,0xf0,0xf8,0xfc,0xfe,0xff};
char code huayang4[]={ 0x55,0xaa,0xcc,0x33,0x99,0x66,0x0f,0xf0};
uchar count1;//花样标志
uchar count2;//歌曲标志
uchar timeh,timel,i;
//---------------------------简谱---------------------------------------
//编程规则:字节高位是简谱,低位是持续时间,
//代表多少个十六分音符
//1-7代表中央C调,8-E代表高八度,0代表停顿
//最后的0是结束标志
uchar code qnzl[]={    //千年之恋
0x12,0x22,0x34,0x84,0x74,0x54,0x38,0x42,0x32,0x22,0x42,0x34,0x84,0x72,0x82,0x94,0xA8,0x08,
//前奏
0x32,0x31,0x21,0x32,0x52,0x32,0x31,0x21,0x32,0x62,
//竹林的灯火到过的沙漠

0x32,0x31,0x21,0x32,0x82,0x71,0x81,0x71,0x51,0x32,0x22,
//七色的国度不断飘逸风中
0x32,0x31,0x21,0x32,0x52,0x32,0x31,0x21,0x32,0x62,
//有一种神秘灰色的旋涡
0x32,0x31,0x21,0x32,0x83,0x82,0x71,0x72,0x02,
//将我卷入了迷雾中
0x63,0xA1,0xA2,0x62,0x92,0x82,0x52,
//看不清的双手
0x31,0x51,0x63,0x51,0x63,0x51,0x63,0x51,0x62,0x82,0x7C,0x02,
//一朵花传来谁经过的温柔
0x61,0x71,0x82,0x71,0x62,0xA2,0x71,0x76,
//穿越千年的伤痛
0x61,0x71,0x82,0x71,0x62,0x52,0x31,0x36,
//只为求一个结果
0x61,0x71,0x82,0x71,0x62,0xA3,0x73,0x62,0x53,
//你留下的轮廓指引我
0x42,0x63,0x83,0x83,0x91,0x91,
//黑夜中不寂寞
0x61,0x71,0x82,0x71,0x62,0x0A2,0x71,0x76,
//穿越千年的哀愁
0x61,0x71,0x82,0x71,0x62,0x52,0x31,0x36,
//是你在尽头等我
0x61,0x71,0x82,0x71,0x62,0xA3,0x73,0x62,0x53,
//最美丽的感动会值得
0x42,0x82,0x88,0x02,0x74,0x93,0x89,0xff//结束标志
//用一生守候
};
uchar code jmszl[]={ //寂寞沙洲冷
0x12,0x12,0x22,0x32,0x31,0x22,0x21,0x22,
//自你走后心憔悴
0x21,0x31,0x51,0x52,0x31,0x52,0x61,0x15,0x14,
//白色油桐风中纷飞
0x51,0x52,0x31,0x52,0x62,0x13,0x11,0x13,0x32,0x28,0x08,0x28,
//落花似人有情这个季节
0x31,0x32,0x31,0x32,0x11,0x21,0x51,0x52,0x51,0x52,
//河畔的风放肆拼命地吹
0x51,0x51,0x31,0x32,0x31,0x32,0x81,0x72,0x63,
//不断拨弄离人的眼泪

0x62,0x71,0x81,0x72,0x61,0x61,0x52,0x31,0x21,0x32,0x51,0x54,
//那样浓烈的爱再也无法给
0x22,0x12,0x11,0x12,0x11,0x12,0x12,0x14,0x26,0x32,0x26,
//伤感一夜一夜
0x32,0x61,0x51,0x51,0x31,0x31,0x21,0x31,0x51,0x61,0x51,0x31,0x51,
//当记忆的线缠绕过往支离破碎
0x02,0x32,0x81,0x81,0x81,0x81,0x62,0x52,0x34,
//是慌乱占据了心扉
0x31,0x81,0x81,0x81,0x61,0x91,0x82,
//有花儿伴着蝴蝶
0x51,0x51,0x51,0x51,0x31,0x61,0x53,
//孤雁可以双飞
0x21,0x11,0x21,0x11,0x22,0x11,0x21,0x26,
//夜深人静独徘徊
0x32,0x61,0x51,0x51,0x31,0x31,0x21,0x31,0x51,0x61,0x51,0x31,0x51,0x52,
//当幸福恋人寄来红色分享喜悦
0x31,0x31,0x81,0x81,0x81,0x61,0x91,0x81,0x61,0x31,0x56,
//闭上双眼难过头也不敢回
0x32,0x32,0x81,0x81,0x81,0x81,0x91,0x81,0x61,0x81,0x61,0x51,0x31,0x51,0x34,
//仍然捡尽寒枝不肯安歇微带着后悔
0x21,0x31,0x51,0x31,0x21,0x11,0x61,0x21,0x16,
//寂寞沙洲我该思念谁
0xff};

//----------------------------简谱音调对应的定时器初值---------------------------
//适合11.0592M的晶振
uchar code cuzhi[]={
   0xff,0xff,//占位
   0xFC,0x8E,//中央C调1-7
   0xFC,0xED,
   0xFD,0x43,
   0xFD,0x6A,
   0xFD,0xB3,
   0xFD,0xF3,
   0xFE,0x2D,
   0xFE,0x47, //高八度1-7
   0xFE,0x76,
   0xFE,0xA1,
   0xFE,0xC7,
   0xFE,0xD9,
   0xFE,0xF9,
   0xFF,0x16
   };
uchar yinyue[]={0xff,0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f,0x0,0x0};
//将音调转化为对应的LED样式
void delay1(uint z); //延时1MS
void delay(uint z); //延时165MS,即十六分音符
void song();
void beep();//蜂鸣器叫一声
main()
{ uchar x;
count1=0;//流水灯无花样
count2=1;//唱第一首歌
EA=1;//开总中断
EX0=1;//开外部中断0
IT0=1;//外部中断0下降沿触发方式
EX1=1;//开外部中断1
IT1=1;//外部中断1下降沿触发方式

TMOD=0x01;//定时器0工作在方式1
TH0=0;
TL0=0;
ET0=1;

while(1)
{
if(count1!=0)
{
switch(count1)
{
case 1:
for(x=0;x<14;x++)
{
duan=1;
P1=huayang1[x];
beep();
delay1(500);
duan=0;
if(count1!=1)
break;
}
break;
case 2:
for(x=0;x<14;x++)
{
duan=1;
P1=huayang2[x];
beep();
delay1(500);
duan=0;
if(count1!=2)
break;
}
break;
case 3:
for(x=0;x<16;x++)
{
duan=1;
P1=huayang3[x];
beep();
delay1(500);
duan=0;
if(count1!=3)
break;
}
break;
case 4:
for(x=0;x<8;x++)
{
duan=1;
P1=huayang4[x];
beep();
delay1(500);
duan=0;
if(count1!=4)
break;
}
break;
}
}
else
{
song();
delay1(1000);
}
}

}
void int0() interrupt 0
{
EA=0;//关总中断
delay1(1);//去抖
if(key1==0)
{
count2=0;//不让蜂鸣器唱歌
TR0=0;
count1++;
if(count1==5)
   count1=1;

}
EA=1;//开总中断
}
void int1() interrupt 2
{
EA=0;//关总中断
delay1(1);//去抖
if(key2==0)
{
count1=0;//流水灯无花样
TR0=1;
i=0;//从头开始唱
count2++;
if(count2==3)
   count2=1;

}
EA=1;//开总中断
}
void timer0() interrupt 1    //用于产生各种音调
{
TH0=timeh;
TL0=timel;
fm=~fm;
}
void song()
{
uint temp;
uchar jp;//jp是简谱
i=0;
while(1)
{ if(count2==0)
{
break;
}
if(count2==1) //选曲
   temp=qnzl;
if(count2==2)
temp=jmszl;
if(temp==0xff)
break;

jp=temp/16; //取数的高4位
duan=1;
P1=yinyue[jp];
duan=0;
if(jp!=0)
{
timeh=cuzhi[jp*2];
timel=cuzhi[jp*2+1];
}
else
{
TR0=0;
fm=1;//关蜂鸣器
}
delay(temp%16); //取数的低4位
TR0=0;    //唱完一个音停10MS
fm=1;
delay1(10);
TR0=1;
i++;
}
TR0=0;
fm=1;

}
void delay(uint z) //延时165MS,即十六分音符
{ uint x,y;
for(x=z;x>0;x--)
     for(y=19000;y>0;y--);
}

void delay1(uint z) //延时1MS
{ uint x,y;
for(x=z;x>0;x--)
     for(y=112;y>0;y--);
}
void beep() //蜂鸣器叫一声
{ uchar i;
for(i=0;i<70;i++)
{ fm=~fm;
delay1(1);
}
fm=1;
}