📄 dzq.lst
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C51 COMPILER V8.08 DZQ 04/26/2009 20:38:53 PAGE 1
C51 COMPILER V8.08, COMPILATION OF MODULE DZQ
OBJECT MODULE PLACED IN dzq.OBJ
COMPILER INVOKED BY: d:\Keil\C51\BIN\C51.EXE dzq.c BROWSE DEBUG OBJECTEXTEND
line level source
1 #include "reg51.h"
2 #define shumaguan P0 //定义数码管段码输出
3 sbit LED =P1^1 ;
4 sbit SPK =P1^0 ; //定义方波输出口
5
6 unsigned int tone1,tone2;
7 /*****标准音符表*****/
8 //用于使定时器初值变化以产生相应频率的定时
9 unsigned char code yinfu[]={0xfb,0xe9, //Do
10 0xfc,0x5c, //Re
11 0xfc,0xc1, //Mi
12 0xfc,0xef, //Fa
13 0xfd,0x45, //So
14 0xfd,0x92, //La
15 0xfd,0xd0, //Si
16 0xfd,0xee, //Do#
17 0x00,0x00 //音符之间的间隔，只要间隔时间小于65ms时，
18 //喇叭不会发出声音，用作拍子之间的短暂停顿
19 };
20
21 /*****生日快乐歌音调表*****/
22 unsigned char code shengri_tone[]={ 1,0,1,2,1,4,3,0,
23 1,0,1,2,1,5,4,0,
24 1,0,1,8,6,4,3,2,0,
25 7,0,7,6,4,5,4,0 //0代表不发声，即停顿；数字即为音调
26 };
27
28 /*****生日快乐歌节拍表*****/
29 unsigned char code shengri_beat[]={ 24,1,24,48,48,48,72,5,
30 24,1,24,48,48,48,72,5,
31 24,1,24,48,48,48,48,72,5,
32 24,1,24,48,48,48,72,5 //节拍，即tone表各音调的延时
33 };
34
35 /*****自动演示音调表*****/
36 unsigned char code yanshi_tone[]={ 1,0,2,0,3,0,4,0,5,0,6,0,7,0,8,0,
37 8,0,7,0,6,0,5,0,4,0,3,0,2,0,1,0
38 };
39
40 /*****自动演示节拍表*****/
41 unsigned char code yanshi_beat[]={ 48,1,48,1,48,1,48,1,48,1,48,1,48,1,48,2,
42 48,1,48,1,48,1,48,1,48,1,48,1,48,1,48,2
43
44 };
45
46 /*****15ms延时子程序，用于节拍*****/
47 void delay(void)
48 {
49 1 unsigned char n=15;
50 1 while(n--)
51 1 {
52 2 unsigned char i;
53 2 for(i=0;i<125;i++);
54 2 }
55 1 }
C51 COMPILER V8.08 DZQ 04/26/2009 20:38:53 PAGE 2
56
57 /*****定时器0初始化*****/
58 void initTimer(void)
59 {
60 1 TMOD=0x01; //定时器0，工作方式1;定时器1，工作方式1
61 1 TH0=tone1;
62 1 TL0=tone2;
63 1 }
64
65 /*****定时器0中断服务程序*****/
66 void timer0(void) interrupt 1
67 {
68 1 TH0=tone1;
69 1 TL0=tone2;
70 1 SPK=~SPK; //取反，以产生方波
71 1 }
72
73 /*****演奏子程序1*****/
74 void play1(void)
75 {
76 1 unsigned char m=0;
77 1 unsigned char s;
78 1 unsigned char a=1;
79 1 while(1)
80 1 {
81 2 EA=0;
82 2 LED=0;
83 2 a=shengri_tone[m]; //取音符
84 2 shumaguan=a;
85 2 s=shengri_beat[m]; //取节拍
86 2 tone1=yinfu[2*a-2];
87 2 tone2=yinfu[2*a-1];
88 2 EA=1;
89 2 while(s--)
90 2 {
91 3 delay();
92 3 }
93 2 LED=1;
94 2 m++;
95 2 if(m>=33) return; //数值是shengri相关表中的元素数量
96 2 }
97 1 }
98
99 /*****演奏子程序2*****/
100 void play2(void)
101 {
102 1 unsigned char m=0;
103 1 unsigned char s;
104 1 unsigned char a=1;
105 1 while(1)
106 1 {
107 2 EA=0;
108 2 LED=0;
109 2 a=yanshi_tone[m];
110 2 shumaguan=a;
111 2 s=yanshi_beat[m];
112 2 tone1=yinfu[2*a-2];
113 2 tone2=yinfu[2*a-1];
114 2 EA=1;
115 2 while(s--)
116 2 {
117 3 delay();
C51 COMPILER V8.08 DZQ 04/26/2009 20:38:53 PAGE 3
118 3 }
119 2 LED=1;
120 2 m++;
121 2 if(m>=32) return;
122 2 }
123 1 }
124
125 /*****按键检测*****/
126 void check_key(void)
127 {
128 1 P2=0xff;
129 1 P3=0xff; //设置为输入状态
130 1 switch(P2) //检测按键，输出数码管、载入定时器初值、允许中断
131 1 {
132 2 case 0xfe:shumaguan=0x1;tone1=0xfb;tone2=0xe9;EA=1;break;
133 2 case 0xfd:shumaguan=0x2;tone1=0xfc;tone2=0x5c;EA=1;break;
134 2 case 0xfb:shumaguan=0x3;tone1=0xfc;tone2=0xc1;EA=1;break;
135 2 case 0xf7:shumaguan=0x4;tone1=0xfc;tone2=0xef;EA=1;break;
136 2 case 0xef:shumaguan=0x5;tone1=0xfd;tone2=0x45;EA=1;break;
137 2 case 0xdf:shumaguan=0x6;tone1=0xfd;tone2=0x92;EA=1;break;
138 2 case 0xbf:shumaguan=0x7;tone1=0xfd;tone2=0xd0;EA=1;break;
139 2 case 0x7f:shumaguan=0x1;tone1=0xfd;tone2=0xee;EA=1;break;
140 2 default: EA=0;SPK=0;shumaguan=0x00;//没有键按下则关闭中断和数码管
141 2 }
142 1 switch(P3)
143 1 {
144 2 case 0xfb:play1();break;
145 2 case 0xf7:play2();break;
146 2 }
147 1 }
148
149 /*****主程序*****/
150 void main(void)
151 {
152 1 initTimer();
153 1 shumaguan=0x00;
154 1 TR0=1;
155 1 ET0=1;
156 1 SPK=0;
157 1 while(1)
158 1 {
159 2 check_key();
160 2 }
161 1 }
MODULE INFORMATION: STATIC OVERLAYABLE
CODE SIZE = 448 ----
CONSTANT SIZE = 148 ----
XDATA SIZE = ---- ----
PDATA SIZE = ---- ----
DATA SIZE = 4 1
IDATA SIZE = ---- ----
BIT SIZE = ---- ----
END OF MODULE INFORMATION.
C51 COMPILATION COMPLETE. 0 WARNING(S), 0 ERROR(S)
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