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一個(gè)非常漂亮的可彈奏激光電子豎琴，用手彈的時(shí)候遮擋住激光柱，就會(huì)發(fā)出相應(yīng)的聲音.包括制作過程，程序，原理，實(shí)物圖，有需要的話可以參考一下
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2017-6-22 18:24 上傳
S70622-102241.jpg (860.19 KB, 下載次數(shù): 230)
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2017-6-22 10:42 上傳
電路原理圖：
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2017-6-22 18:26 上傳
激光豎琴制作教程：
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2017-6-22 18:27 上傳
單片機(jī)源程序如下:
- /*-----------------------------------------------
- 名稱：電子琴
- 編寫：Cgr
- 修改：無
- 內(nèi)容：7個(gè)激光束控制7個(gè)音符7個(gè)LED顯示，1個(gè)控制播放音樂,1個(gè)高中低音切換
-
- ------------------------------------------------*/
- #include "reg52.h"
- #include "intrins.h"
- sbit SPK = P3^4;
- sbit LED_L = P3^7;
- sbit LED_M = P3^6;
- sbit LED_H = P3^5;
- sbit KEY = P3^3;
- #define KEYDELAY 20
- #define KEY_PORT P2
- #define LED_PORT P1
- bit FT_1ms,FT_250ms;
- bit F_PlaySong,F_PlayTone,F_KeyDelay,F_Tone,F_KeyUp,F_Music_Ide;
- unsigned char Freq_H,Freq_L,SongLen,PlayIde,i;
- unsigned char KeyBuf,KeySure,KeyDelay_Cnt,Timer1_Cnt,KeyDelay_Cnt1;
- unsigned char k,Time,PortTemp;
- //世上只有媽媽好數(shù)據(jù)表
- code unsigned char MUSIC[]={6,2,6, 5,2,2, 3,2,4, 5,2,4, 1,3,4, 6,2,2, 5,2,2,
- 6,2,8, 3,2,4, 5,2,2, 6,2,2, 5,2,4, 3,2,4, 1,2,2,
- 6,1,2, 5,2,2, 3,2,2, 2,2,8, 2,2,6, 3,2,2, 5,2,4,
- 5,2,2, 6,2,2, 3,2,4, 2,2,4, 1,2,8, 5,2,6, 3,2,2,
- 2,2,2, 1,2,2, 6,1,2, 1,2,2, 5,1,12, 0,0,0
- };
- /***********************生日快樂**********************/
- code unsigned char MUSIC1[]={
- 5,1,2, 5,1,2, 6,1,4, 5,1,4, 1,2,4, 7,1,8,
- 5,1,2, 5,1,2, 6,1,4, 5,1,4, 2,2,4, 1,2,8,
- 5,1,2, 5,1,2, 5,2,4, 3,2,4, 1,2,4, 7,1,4,
- 6,1,8, 4,2,2, 4,2,2, 3,2,4, 1,2,4, 2,2,4,
- 1,2,12, 0,0,0};
- // 音階頻率表 高八位
- code unsigned char FREQH[]={
- 0xF2,0xF3,0xF5,0xF5,0xF6,0xF7,0xF8,
- 0xF9,0xF9,0xFA,0xFA,0xFB,0xFB,0xFC,0xFC, //1,2,3,4,5,6,7,8,i
- 0xFC,0xFD,0xFD,0xFD,0xFD,0xFE,
- 0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFF,
- } ;
- // 音階頻率表 低八位
- code unsigned char FREQL[]={
- 0x42,0xC1,0x17,0xB6,0xD0,0xD1,0xB6,
- 0x21,0xE1,0x8C,0xD8,0x68,0xE9,0x5B,0x8F, //1,2,3,4,5,6,7,8,i
- 0xEE,0x44, 0x6B,0xB4,0xF4,0x2D,
- 0x47,0x77,0xA2,0xB6,0xDA,0xFA,0x16,
- };
- void TimerInit(void)
- {
- TMOD = 0x11;
- TH1 = (65536 - 1000) / 256;
- TL1 = (65536 - 1000) % 256;
- ET0 = 1;
- ET1 = 1;
- TR0 = 1;
- TR1 = 1;
- EA = 1;
- }
- void ScanKey(void)
- {
- if(F_KeyDelay)
- {
- KeyDelay_Cnt --;
- if(KeyDelay_Cnt == 0)
- {
- F_KeyDelay = 0;
- KeySure = KeyBuf;
- F_KeyUp = 1;
- }
- }
- if(KeyBuf != KEY_PORT)
- {
- KeyBuf = KEY_PORT;
- KeyDelay_Cnt = KEYDELAY;
- F_KeyDelay = 1;
- }
- if(!KEY)
- {
- KeyDelay_Cnt1 --;
- if(KeyDelay_Cnt1 == 0)
- {
- if(F_PlaySong == 0)
- {
- F_Music_Ide = !F_Music_Ide;
- F_PlaySong = 1;
- i = 0;
- }
- }
- }
- else
- {
- KeyDelay_Cnt1 = KEYDELAY;
- }
- if(PlayIde == 1)
- {
- LED_L = 1;
- LED_M = 0;
- LED_H = 1;
- }
- if(PlayIde == 2)
- {
- LED_L = 1;
- LED_M = 1;
- LED_H = 0;
- }
- if(PlayIde == 0)
- {
- LED_L = 0;
- LED_M = 1;
- LED_H = 1;
- }
- }
- void main(void)
- {
- TimerInit();
- F_PlayTone = 0;
- PortTemp = 0x7f;
- for(i = 0;i < 7;)
- {
- if(FT_250ms)
- {
- FT_250ms = 0;
- i++;
- PortTemp = _crol_(PortTemp,1);
- LED_PORT= PortTemp;
- }
- }
- for(i = 0;i < 7;)
- {
- if(FT_250ms)
- {
- FT_250ms = 0;
- i++;
- PortTemp = _cror_(PortTemp,1);
- LED_PORT= PortTemp;
- }
- }
- LED_PORT = 0xff;
- i = 0;
- while(1)
- {
- if(FT_1ms)
- {
- FT_1ms = 0;
- WDT_CONTR = 0x38;
- ScanKey();
- if(F_PlaySong)
- {
- if(FT_250ms)
- {
- FT_250ms = 0;
- if(Time > 0)
- {
- Time --;
- }
- else
- {
- PortTemp = 0x01;
- F_PlayTone = 1;
- if(F_Music_Ide)
- {
- k = MUSIC[i] + 7 * MUSIC[i + 1] - 1;//去音符振蕩頻率所需數(shù)據(jù)
- PlayIde = MUSIC[i + 1] - 1;
- PortTemp <<= (MUSIC[i]-1);
- Time = MUSIC[i+2] - 1; //節(jié)拍時(shí)長
- if(! MUSIC[i])
- {
- i = 0;
- F_PlaySong = 0;
- LED_PORT = 0xff;
- F_PlayTone = 0;
- SPK = 1;
- PlayIde = 1;
- Time = 4;
- }
- }
- else
- {
- k = MUSIC1[i] + 7 * MUSIC1[i + 1] - 1;//去音符振蕩頻率所需數(shù)據(jù)
- PlayIde = MUSIC1[i + 1] - 1;
- PortTemp <<= (MUSIC1[i]-1);
- Time = MUSIC1[i+2] - 1; //節(jié)拍時(shí)長
- if(! MUSIC1[i])
- {
- i = 0;
- F_PlaySong = 0;
- LED_PORT = 0xff;
- F_PlayTone = 0;
- SPK = 1;
- PlayIde = 1;
- Time = 4;
- }
- }
- PortTemp = ~PortTemp;
- LED_PORT = PortTemp;
- Freq_H = FREQH[k];
- Freq_L = FREQL[k];
- i = i + 3;
- }
- }
- }
- else
- {
- switch(KeySure)
- {
-
- case 0x81: F_Tone = 0;F_PlayTone = 1; Timer1_Cnt = 0;k=0; LED_PORT = 0xfe;
- break;
- case 0x41: F_Tone = 0;F_PlayTone = 1; Timer1_Cnt = 0;k=1; LED_PORT = 0xfd;
- break;
- case 0x21: F_Tone = 0;F_PlayTone = 1; Timer1_Cnt = 0;k=2; LED_PORT = 0xfb;
- break;
- case 0x11: F_Tone = 0;F_PlayTone = 1; Timer1_Cnt = 0;k=3; LED_PORT = 0xf7;
- break;
- case 0x09: F_Tone = 0;F_PlayTone = 1; Timer1_Cnt = 0;k=4; LED_PORT = 0xef;
- break;
- case 0x05: F_Tone = 0;F_PlayTone = 1; Timer1_Cnt = 0;k=5; LED_PORT = 0xdf;
- break;
- case 0x03: F_Tone = 0;F_PlayTone = 1; Timer1_Cnt = 0;k=6; LED_PORT = 0xbf;
- break;
- case 0x00:
- if(F_KeyUp)
- {
- F_KeyUp = 0;
- PlayIde++;
- if(PlayIde == 3)
- {
- PlayIde = 0;
- }
- }
- break;
- default:
- break;
- }
- Freq_H = FREQH[(PlayIde * 7) + k];
- Freq_L = FREQL[(PlayIde * 7) + k];
- if(F_Tone)
- {
- F_Tone = 0;
- F_PlayTone = 0;
- ……………………
- …………限于本文篇幅 余下代碼請(qǐng)從51黑下載附件…………
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2017-6-22 18:28 上傳
所有資料51hei提供下載(包含詳細(xì)的制作教程和完整代碼):
激光琴資料V2.0（以上資料打包下載）.rar
(19.6 MB, 下載次數(shù): 255)
2017-6-22 10:41 上傳
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下載積分: 黑幣 -5
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