arduino chiptunes - todos - português

8/21/2019 Arduino Chiptunes - Todos - Portugus

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blinkyblinky


()

Seguir

Bio:If you want me to build

something...I'm open to ideas. I like to

hack with electronics, mix with chemicals

and play with ideas ... Mais


Mais por blinkyblinky:

Tags:

Chiptunes (/pt/explore/?keywords=Chiptunes)

=

Sobre este Instructable

(/id/How-to-Tie-

Your-Shoes-Cool-So-they-Dont-

Undo/?lang=pt)

(/id/Valentines-Pulse-Sensor/?lang=pt)

(/id/10-Minute-

Sunglass-Neutral-Density-Filter/?lang=pt)

8

28.878visualizaes

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98favoritos

Postado em:Dez 11, 2011

Licena:

(/pt/)

h

(/id/Arduino-Chiptunes/?lang=pt)
http://www.instructables.com/id/Arduino-Chiptunes/?lang=pthttp://www.instructables.com/pt/http://www.instructables.com/id/10-Minute-Sunglass-Neutral-Density-Filter/?lang=pthttp://www.instructables.com/id/Valentines-Pulse-Sensor/?lang=pthttp://www.instructables.com/id/How-to-Tie-Your-Shoes-Cool-So-they-Dont-Undo/?lang=pthttp://www.instructables.com/pt/explore/?keywords=Arduinohttp://www.instructables.com/pt/explore/?keywords=Chiptuneshttp://www.instructables.com/pt/member/blinkyblinky/http://www.instructables.com/id/Arduino-Chiptunes/all/?lang=pthttp://www.instructables.com/pt/member/blinkyblinky/http://www.instructables.com/pt/member/blinkyblinky/http://www.instructables.com/file/FGGGG3RGVZOHZF6/http://www.instructables.com/id/The-Versatile-555-Timer/


2/22

Passo 1: Gains and Losses.

You will gain:

A machine capable of playing a tune every time you push a button to

activate it.

You will lose: (Materials)

An Arduino

A speaker+possibly an amp

2 jumper wires (If your speaker doesn't already have them)

Passo 2: What Type of Speakers Should I Use???

There are many speakers available on the market these days.

Some have built in amps with 3.5mm jacks.

Some have tne cone, the magnet, the coil and then the wire.

Relacionado

Dual POKEY Synth (/id/Dual-

POKEY-Synth/?lang=pt)

por brianpeters

(/pt/member/brianpeters/)

Arduino Chiptunes-Yet

Again...Install an Arduino

Library (/id/Arduino-

Chiptunes-Yet-AgainInstall-

TIA Synth (/id/TIA-Synth/?

lang=pt)

por brianpeters


Quad SN76489 Synth

(/id/Quad-SN76489-Synth/?

lang=pt)

por brianpeters

Teensy Synth (/id/Teensy-

Synth/?lang=pt)por brianpeters


SID Synth (/id/SID-Synth/?

lang=pt)

por brianpeters

http://www.instructables.com/pt/member/brianpeters/http://www.instructables.com/id/SID-Synth/?lang=pthttp://www.instructables.com/id/SID-Synth/?lang=pthttp://www.instructables.com/pt/member/brianpeters/http://www.instructables.com/id/Teensy-Synth/?lang=pthttp://www.instructables.com/id/Teensy-Synth/?lang=pthttp://www.instructables.com/pt/member/brianpeters/http://www.instructables.com/id/Quad-SN76489-Synth/?lang=pthttp://www.instructables.com/id/Quad-SN76489-Synth/?lang=pthttp://www.instructables.com/pt/member/brianpeters/http://www.instructables.com/id/TIA-Synth/?lang=pthttp://www.instructables.com/id/TIA-Synth/?lang=pthttp://www.instructables.com/id/Arduino-Chiptunes-Yet-AgainInstall-an-Arduino-L/?lang=pthttp://www.instructables.com/id/Arduino-Chiptunes-Yet-AgainInstall-an-Arduino-L/?lang=pthttp://www.instructables.com/pt/member/brianpeters/http://www.instructables.com/id/Dual-POKEY-Synth/?lang=pthttp://www.instructables.com/id/Dual-POKEY-Synth/?lang=pthttp://www.instructables.com/pt/explore/?keywords=Arduinohttp://www.instructables.com/file/FDXTDI6GVZP1MTW/http://www.instructables.com/file/FLVSBXFGVZP1MTV/http://www.instructables.com/file/FOZFSWFGVZP1MTT/http://www.instructables.com/file/FCQHN6QGVZPGZOH/


3/22

Now I'm sure you want to use the one with a built in amplifier and so, I am

developing a way so that you won't have to cut the cableon your expensive

amp.

Passo 3: Programming.

Start by downloading the code from below.

Then, copy and paste the code into the Arduino editor and compile, then hit

upload.

You're done with the software!

Here is the code in case the downloadis unsuccessful:

.

light[0] = light[1] = 3;

}

}

if(instr == 7) {


}

channel[ch].lastinstr = instr;

channel[ch].inum = instr;

channel[ch].iptr = 0; channel[ch].iwait = 0;

channel[ch].bend = 0;

channel[ch].bendd = 0;

channel[ch].volumed = 0;

channel[ch].dutyd = 0;

=
http://www.instructables.com/file/F3EZLJZGW0HROR7/http://www.instructables.com/file/F162O2QGW0HROR6/http://www.instructables.com/file/F51PW4DGU4MC72T/http://www.instructables.com/file/F9STWW0GU1UZ8K3/


4/22

Passo 4: Assembly.

You may be done with the software but the hardware is not finished.

Now, take one of your speaker wires, and then plug it into pin 3 which is a PWM

pin. Then, plug it into ground or power (5 volts or you bust you Arduino. )

You should hear music playing.

Now, hit the reset button to here it from the beginning.

Everytime you hit the reset button, it will play.

Passo 5: Done.
http://www.instructables.com/file/FGGGG3RGVZOHZF6/http://www.instructables.com/file/FCQHN6QGVZPGZOH/


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Passo 6: Adding a Jack.
http://www.instructables.com/file/FDXTDI6GVZP1MTW/http://www.instructables.com/file/FOZFSWFGVZP1MTT/


6/22

Keep you eyes peeled for updates...

Passo 7: Modulate It!

Connect an LED from pin 3 to ground.

Then, listen to it with the Light Listener (http://www.instructables.com/id/The-Light-Listener/).

Have fun!

I will make on ible on how to modulate EVERYTHING very soon.

Passo 8: Make it Beatbox.

Here's the beatbox code:

#include

#include

#include

#define TRACKLEN 32

#define MAXTRACK 0x92

#define SONGLEN 0x37

#include

extern "C" {

typedef unsigned char u8;

typedef unsigned short u16;

typedef char s8;

typedef short s16;

typedef unsigned long u32;

byte songdata[] PROGMEM = {

0x87, 0x30, 0x2a, 0x24, 0x45, 0xbb, 0x50, 0x58, 0x20, 0xc3, 0x6c, 0x80,

0x0e, 0xd1, 0x41, 0x3e, 0x4c, 0x58, 0x1a, 0xb1, 0x54, 0xa4, 0x94, 0x19,

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0xbe, 0xe8, 0x18, 0x2b, 0xe3, 0x68, 0x9c, 0x8d, 0xc2, 0xd1, 0x39, 0x60,

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0x25, 0x90, 0x90, 0x5c, 0x0e, 0x89, 0xc6, 0x44, 0x60, 0xc2, 0x7c, 0x04,

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0xce, 0x48, 0xa0, 0xea, 0x90, 0x04, 0x2c, 0x4f, 0xe9, 0xb0, 0x1a, 0x10,

0x02, 0x89, 0xd7, 0x24, 0x90, 0x80, 0x51, 0x02, 0x89, 0x58, 0x25, 0x90,
http://www.instructables.com/id/The-Light-Listener/


7/22

, , , , , , , , , , , ,

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8/22

x , xe , x , x , x , x , x , x , x , x , x , x ,

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0x00, 0x00, 0x00, 0x00, 0x00, 0x23, 0x14, 0x80, 0x10, 0x10, 0x08, 0x80,

0x2c, 0x10, 0x07, 0xf2, 0x40, 0x08, 0x00, 0x42, 0x40, 0x20, 0x00, 0xb2,

0x40, 0x20, 0x81, 0x64, 0x11, 0x02, 0x5b, 0x14, 0x80, 0x2c, 0x90, 0x0b,

0x80, 0x18, 0x90, 0x04, 0xa2, 0x40, 0x16, 0x00, 0xd2, 0x00, 0x10, 0x07,

0x80, 0x3c, 0x58, 0xe0, 0x00, 0x63, 0x14, 0xc2, 0x00, 0x11, 0x00, 0x39,

0x20, 0x0a, 0x84, 0x01, 0x22, 0x00, 0xa2, 0x40, 0x18, 0x08, 0x03, 0x44,

0x00, 0xe4, 0x80, 0x3c, 0x10, 0x07, 0xc2, 0x40, 0x0a, 0x00, 0x3b, 0x14,

0x72, 0x00, 0x90, 0x09, 0x80, 0x40, 0x10, 0x07, 0xb2, 0x40, 0x12, 0x39,

0xe4, 0x92, 0x4a, 0x26, 0x81, 0xc4, 0x91, 0x44, 0x0e, 0x00, 0x92, 0x00,

0x00, 0x5b, 0x14, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,

0x00, 0x00, 0x00, 0x63, 0x14, 0x00, 0x00, 0x00, 0x80, 0x30, 0x00, 0xc4,

0x01, 0x00, 0x00, 0x00, 0x20, 0x0e, 0x00, 0x83, 0x14, 0x00, 0x20, 0x10,

0x10, 0x01, 0x00, 0x84, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x2b, 0x1d, 0x00, 0x00, 0x00, 0x86, 0x42, 0x00, 0x41, 0x11, 0x01, 0x82,

0x02, 0x00, 0x84, 0x46, 0x04, 0x04, 0x42, 0x23, 0x02, 0x04, 0x05, 0x00,

0x1b, 0x25, 0x00, 0x10, 0x01, 0xf2, 0x22, 0x02, 0x02, 0x19, 0x01, 0xc8,

0x88, 0x08, 0x90, 0x17, 0x80, 0x8c, 0x00, 0x64, 0x84, 0xbc, 0x90, 0x11,

0x00, 0x23, 0x25, 0x00, 0x10, 0x01, 0x02, 0x23, 0x02, 0x02, 0x21, 0x01,

0x08, 0x89, 0x08, 0x10, 0x12, 0x00, 0x20, 0x30, 0x22, 0x20, 0x10, 0x18,

0x11, 0x20, 0x24, 0x00, 0x5b, 0x25, 0x11, 0x20, 0x1f, 0x80, 0x08, 0x90,

0x15, 0x11, 0x20, 0x2b, 0x22, 0x40, 0x3e, 0x00, 0x11, 0x20, 0x2b, 0x22,

0x40, 0x56, 0x44, 0x80, 0x7c, 0x00, 0x22, 0x40, 0x3e, 0x00, 0xb2, 0x22,

0x02, 0x02, 0xf9, 0x10, 0x01, 0x00, 0x23, 0x25, 0x80, 0x90, 0x88, 0x00,

0x81, 0x81, 0x08, 0x80, 0xc0, 0x88, 0x00, 0x21, 0x01, 0x88, 0x09, 0x44, 0x00, 0xc4, 0x44, 0x04, 0x88, 0x0c, 0x20, 0x02, 0x44, 0x46, 0x04, 0x88,

0x89, 0x08, 0x10, 0x19, 0x11, 0x00, 0xa3, 0x25, 0x42, 0x0b, 0x2d, 0x34,

0x22, 0x40, 0x50, 0x20, 0x02, 0x20, 0x28, 0x22, 0x40, 0x50, 0x08, 0x0d,

0x41, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0xa3, 0x29, 0x42, 0x0b, 0x2a,

0x34, 0x22, 0x40, 0x50, 0x20, 0x02, 0x20, 0x28, 0x22, 0x40, 0x50, 0x00,

0x42, 0x43, 0x68, 0xa1, 0x85, 0x46, 0x04, 0x08, 0x0a, 0x44, 0x00, 0x04,


9/22

0x45, 0x04, 0x08, 0x0a, 0xa1, 0x01, 0x0b, 0x25, 0x00, 0x00, 0x00, 0x00,

0x00, 0xc8, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x2b, 0x21, 0x00,

0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x2b,

0x1d, 0x00, 0x00, 0x18, 0x6b, 0x91, 0x12, 0x80, 0xb0, 0x90, 0x18, 0xc2,

0x42, 0x4a, 0x08, 0x8d, 0x02, 0x90, 0x19, 0xc2, 0x42, 0x4a, 0x88, 0x0d,

0xc3, 0x2d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x48, 0x0c,

0xa1, 0xc5, 0x96, 0x5b, 0x70, 0xd9, 0xa5, 0x07, 0x03, 0x2e, 0x00, 0x00,

0x48, 0x0f, 0x40, 0x80, 0x00, 0xf2, 0x23, 0x02, 0x64, 0x07, 0x22, 0x00,

0x82, 0x03, 0x10, 0x1c, 0x11, 0x20, 0x3f, 0x64, 0x07, 0x03, 0x6e, 0x7e,

0xe9, 0x05, 0x17, 0x5a, 0x66, 0xb1, 0x65, 0x16, 0x5a, 0x66, 0x89, 0x85,

0x95, 0x57, 0x54, 0x99, 0xe5, 0x95, 0x18, 0x11, 0x20, 0x31, 0x22, 0x40, 0x62, 0x44, 0x80, 0xc4, 0x00, 0x22, 0x40, 0x62, 0x44, 0x80, 0xf4, 0x88,

0x00, 0x89, 0x11, 0x01, 0x00, 0x03, 0x2e, 0x12, 0x43, 0x62, 0x48, 0x0f,

0x89, 0x21, 0x3d, 0x44, 0x18, 0x60, 0x7e, 0x08, 0x10, 0x89, 0x21, 0x31,

0xa4, 0x87, 0xc4, 0x90, 0x1e, 0x22, 0x0c, 0x30, 0x3f, 0x00, 0xfb, 0x2d,

0x02, 0x24, 0x02, 0x84, 0x48, 0x04, 0x48, 0x6f, 0xc4, 0x9e, 0x70, 0xd7,

0xeb, 0xc5, 0x76, 0xc2, 0x1e, 0x70, 0x17, 0xeb, 0xe1, 0x76, 0xc0, 0xde,

0x6f, 0xd7, 0xeb, 0xc5, 0x76, 0xbf, 0xde, 0x6e, 0x17, 0xeb, 0xe1, 0x76,

0xbb, 0x1e, 0x6e, 0x87, 0xeb, 0xc5, 0x76, 0xc4, 0xde, 0x6e, 0x17, 0xeb,

0xf5, 0x36, 0x3f, 0xa3, 0x0d, 0x00, 0x00, 0x48, 0x0c, 0x40, 0x68, 0x00,

0x32, 0x03, 0x00, 0x00, 0x89, 0x01, 0xc8, 0x0b, 0x00, 0x00, 0x00, 0x00,

0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0xbd, 0x26, 0xb1, 0xcc, 0x00, 0x7f, 0x4d, 0x41, 0x00, 0x48, 0x0c, 0x00, 0x00, 0x00, 0x00, 0x00,

0x00, 0x00, 0x00, 0x00, 0x00, 0x2b, 0x21, 0x11, 0x20, 0x25, 0x80, 0x08,

0x90, 0x58, 0x62, 0x29, 0x11, 0x01, 0x52, 0x22, 0x02, 0x00, 0x29, 0x11,

0x01, 0x56, 0x52, 0x22, 0x00, 0x90, 0x12, 0x11, 0x60, 0x25, 0x24, 0x02,

0x00, 0x29, 0x11, 0x01, 0x52, 0x22, 0x02, 0xa4, 0x44, 0x04, 0x00, 0xcf,

0xcc, 0xc0, 0x11, 0x01, 0x52, 0x22, 0x02, 0xa4, 0x44, 0x04, 0x48, 0x86,

0x08, 0x90, 0x12, 0x11, 0x20, 0x19, 0x22, 0x40, 0x4a, 0x44, 0x80, 0x94,

0x88, 0x00, 0xc9, 0x10, 0x01, 0x52, 0x22, 0x02, 0xa4, 0x44, 0x04, 0x48,

0x86, 0x08, 0x90, 0x12, 0x11, 0xa0, 0x99, 0x01, 0x68, 0x46, 0x80, 0x53,

0x22, 0x02, 0xa4, 0x44, 0x04

};

volatile u8 callbackwait;

volatile u8 lastsample;

volatile u8 timetoplay;

volatile u8 test;

volatile u8 testwait;

u8 trackwait;

u8 trackpos;

u8 playsong;

u8 songpos;

u32 noiseseed = 1;

u8 light[2];

/*const u16 freqtable[] = {

0x010b, 0x011b, 0x012c, 0x013e, 0x0151, 0x0165, 0x017a, 0x0191, 0x01a9,

0x01c2, 0x01dd, 0x01f9, 0x0217, 0x0237, 0x0259, 0x027d, 0x02a3, 0x02cb,

0x02f5, 0x0322, 0x0352, 0x0385, 0x03ba, 0x03f3, 0x042f, 0x046f, 0x04b2,

0x04fa, 0x0546, 0x0596, 0x05eb, 0x0645, 0x06a5, 0x070a, 0x0775, 0x07e6,0x085f, 0x08de, 0x0965, 0x09f4, 0x0a8c, 0x0b2c, 0x0bd6, 0x0c8b, 0x0d4a,

0x0e14, 0x0eea, 0x0fcd, 0x10be, 0x11bd, 0x12cb, 0x13e9, 0x1518, 0x1659,

0x17ad, 0x1916, 0x1a94, 0x1c28, 0x1dd5, 0x1f9b, 0x217c, 0x237a, 0x2596,

0x27d3, 0x2a31, 0x2cb3, 0x2f5b, 0x322c, 0x3528, 0x3851, 0x3bab, 0x3f37,

0x42f9, 0x46f5, 0x4b2d, 0x4fa6, 0x5462, 0x5967, 0x5eb7, 0x6459, 0x6a51,


10/22

, ,

};*/

const u16 freqtable[] = {

0x0085, 0x008d, 0x0096, 0x009f, 0x00a8, 0x00b2, 0x00bd, 0x00c8, 0x00d4,

0x00e1, 0x00ee, 0x00fc, 0x010b, 0x011b, 0x012c, 0x013e, 0x0151, 0x0165,

0x017a, 0x0191, 0x01a9, 0x01c2, 0x01dd, 0x01f9, 0x0217, 0x0237, 0x0259,

0x027d, 0x02a3, 0x02cb, 0x02f5, 0x0322, 0x0352, 0x0385, 0x03ba, 0x03f3,

0x042f, 0x046f, 0x04b2, 0x04fa, 0x0546, 0x0596, 0x05eb, 0x0645, 0x06a5,

0x070a, 0x0775, 0x07e6, 0x085f, 0x08de, 0x0965, 0x09f4, 0x0a8c, 0x0b2c,

0x0bd6, 0x0c8b, 0x0d4a, 0x0e14, 0x0eea, 0x0fcd, 0x10be, 0x11bd, 0x12cb,0x13e9, 0x1518, 0x1659, 0x17ad, 0x1916, 0x1a94, 0x1c28, 0x1dd5, 0x1f9b,

0x217c, 0x237a, 0x2596, 0x27d3, 0x2a31, 0x2cb3, 0x2f5b, 0x322c, 0x3528,

0x3851, 0x3bab, 0x3f37

};

const s8 sinetable[] = {

0, 12, 25, 37, 49, 60, 71, 81, 90, 98, 106, 112, 117, 122, 125, 126,

127, 126, 125, 122, 117, 112, 106, 98, 90, 81, 71, 60, 49, 37, 25, 12,

0, -12, -25, -37, -49, -60, -71, -81, -90, -98, -106, -112, -117, -122,

-125, -126, -127, -126, -125, -122, -117, -112, -106, -98, -90, -81,

-71, -60, -49, -37, -25, -12

};

const u8 validcmds[] = "0dfijlmtvw~+=";

enum {

WF_TRI,

WF_SAW,

WF_PUL,

WF_NOI

};

volatile struct oscillator {u16 freq;

u16 phase;

u16 duty;

u8 waveform;

u8 volume; // 0-255

} osc[4];

struct trackline {

u8 note;

u8 instr;

u8 cmd[2];u8 param[2];

};

struct track {

struct trackline line[TRACKLEN];

};

struct unpacker {

u16 nextbyte;

u8 buffer;

u8 bits;};

struct channel {

struct unpacker trackup;

u8 tnum;

s8 transp;


11/22

u no e;

u8 lastinstr;

u8 inum;

u16 iptr;

u8 iwait;

u8 inote;

s8 bendd;

s16 bend;

s8 volumed;

s16 dutyd;

u8 vdepth;u8 vrate;

u8 vpos;

s16 inertia;

u16 slur;

} channel[4];

u16 resources[16 + MAXTRACK];

struct unpacker songup;

byte readsongbyte(u16 offset){

return pgm_read_byte_near(&songdata[0] + offset);

}

void watchdogoff()

{

}

void initup(struct unpacker *up, u16 offset) {

up->nextbyte = offset;

up->bits = 0;

}

u8 readbit(struct unpacker *up) {

u8 val;

if(!up->bits) {

up->buffer = readsongbyte(up->nextbyte++);

up->bits = 8;

}

up->bits--;

val = up->buffer & 1;

up->buffer >>= 1;

return val;

}

u16 readchunk(struct unpacker *up, u8 n) {

u16 val = 0;

u8 i;

for(i = 0; i < n; i++) {

if(readbit(up)) {

val |= (1


12/22

return val;

}

void readinstr(byte num, byte pos, byte *dest) {

dest[0] = readsongbyte(resources[num] + 2 * pos + 0);

dest[1] = readsongbyte(resources[num] + 2 * pos + 1);

}

void runcmd(u8 ch, u8 cmd, u8 param) {

switch(validcmds[cmd]) {

case '0': channel[ch].inum = 0;

break;

case 'd':

osc[ch].duty = param > 4;

channel[ch].vrate = param & 15;

break;

}

}

void playroutine() { // called at 50 Hz

u8 ch;

u8 lights;

if(playsong) {


13/22

trackwait--;

} else {

trackwait = 4;

if(!trackpos) {

if(playsong) {

if(songpos >= SONGLEN) {

playsong = 0;

} else {

for(ch = 0; ch < 4; ch++) {

u8 gottransp;

u8 transp;

gottransp = readchunk(&songup, 1);

channel[ch].tnum = readchunk(&songup, 6);

if(gottransp) {

transp = readchunk(&songup, 4);

if(transp & 0x8) transp |= 0xf0;

} else {

transp = 0;

}

channel[ch].transp = (s8) transp; if(channel[ch].tnum) {

initup(&channel[ch].trackup, resources[16 + channel[ch].tnum - 1]);

}

}

songpos++;

}

}

}

if(playsong) {

for(ch = 0; ch < 4; ch++) { if(channel[ch].tnum) {

u8 note, instr, cmd, param;

u8 fields;

fields = readchunk(&channel[ch].trackup, 3);

note = 0;

instr = 0;

cmd = 0;

param = 0;

if(fields & 1) note = readchunk(&channel[ch].trackup, 7);

if(fields & 2) instr = readchunk(&channel[ch].trackup, 4); if(fields & 4) {

cmd = readchunk(&channel[ch].trackup, 4);

param = readchunk(&channel[ch].trackup, 8);

}

if(note) {

channel[ch].tnote = note + channel[ch].transp;

if(!instr) instr = channel[ch].lastinstr;

}

if(instr) {

if(instr == 2) light[1] = 5;

if(instr == 1) {

light[0] = 5;

if(channel[ch].tnum == 4) {


}

}

if(instr == 7) {


14/22

g = g = ;

}

channel[ch].lastinstr = instr;

channel[ch].inum = instr;

channel[ch].iptr = 0;

channel[ch].iwait = 0;

channel[ch].bend = 0;

channel[ch].bendd = 0;

channel[ch].volumed = 0;

channel[ch].dutyd = 0;

channel[ch].vdepth = 0; }

if(cmd) runcmd(ch, cmd, param);

}

}

trackpos++;

trackpos &= 31;

}

}

}

for(ch = 0; ch < 4; ch++) {

s16 vol;

u16 duty;

u16 slur;

while(channel[ch].inum && !channel[ch].iwait) {

u8 il[2];

readinstr(channel[ch].inum, channel[ch].iptr, il);

channel[ch].iptr++;

runcmd(ch, il[0], il[1]);

}

if(channel[ch].iwait) channel[ch].iwait--;

if(channel[ch].inertia) {

s16 diff;

slur = channel[ch].slur;

diff = freqtable[channel[ch].inote] - slur;

//diff >>= channel[ch].inertia;

if(diff > 0) {

if(diff > channel[ch].inertia) diff = channel[ch].inertia; } else if(diff < 0) {

if(diff < -channel[ch].inertia) diff = -channel[ch].inertia;

}

slur += diff;

channel[ch].slur = slur;

} else {

slur = freqtable[channel[ch].inote];

}

osc[ch].freq =

slur +

channel[ch].bend + ((channel[ch].vdepth * sinetable[channel[ch].vpos & 63]) >> 2);

channel[ch].bend += channel[ch].bendd;

vol = osc[ch].volume + channel[ch].volumed;

if(vol < 0) vol = 0;

if(vol > 255) vol = 255;

osc[ch].volume = vol;


15/22

duty = osc[ch].duty + channel[ch].dutyd;

if(duty > 0xe000) duty = 0x2000;

if(duty < 0x2000) duty = 0xe000;

osc[ch].duty = duty;

channel[ch].vpos += channel[ch].vrate;

}

lights = 0;

if(light[0]) { light[0]--;

lights |= 0x02;

}

if(light[1]) {

light[1]--;

lights |= 0x10;

}

PORTC = lights;

}

void initresources() {u8 i;

struct unpacker up;

initup(&up, 0);

for(i = 0; i < 16 + MAXTRACK; i++) {

resources[i] = readchunk(&up, 13);

}

initup(&songup, resources[0]);

}

int main() {

asm("cli");

watchdogoff();

CLKPR = 0x80;

CLKPR = 0x80;

DDRC = 0x12;

DDRD = 0xff;

PORTC = 0;

timetoplay = 0;

trackwait = 0;

trackpos = 0;

playsong = 1;

songpos = 0;

osc[0].volume = 0;

channel[0].inum = 0;

osc[1].volume = 0;


osc[2].volume = 0;

channel[2].inum = 0;osc[3].volume = 0;


initresources();

TCCR0A = 0x02


16/22

TCCR0B = 0x02; // clkIO/8, so 1/8 MHz

OCR0A = 125;//125; // 8 KHz

TCCR2A=0b10100011;

TCCR2B=0b00000001;

TIMSK0 = 0x02;

asm("sei");

for(;;) {

while(!timetoplay);

timetoplay--;

playroutine();

}

}

ISR(TIMER0_COMPA_vect) // called at 8 KHz

{

u8 i;

s16 acc;u8 newbit;

OCR2B = lastsample;

newbit = 0;

if(noiseseed & 0x80000000L) newbit = 1;




noiseseed = (noiseseed > 9);

} else {

value = 31 - ((osc[i].phase - 0x8000) >> 9);

}

break;

case WF_SAW:

value = -32 + (osc[i].phase >> 10);

break;

case WF_PUL:

value = (osc[i].phase > osc[i].duty)? -32 : 31;

break;

case WF_NOI:

value = (noiseseed & 63) - 32;

break;


17/22

Ns temos uma poltica de comentrios em que todos devem ser gentis.Por favor, seja positivo e construtivo.

editarimagem Postar Comentrio

(/pt/member/Jean_Rolszt/)

Jun 2, 2014. 3:27 PM

Very cool :D

Responder

Jean_Rolszt (/pt/member/Jean_Rolszt/)diz:

(http://cdn.instructables.com/F1A/Z2WQ/HVXE0SAD/F1AZ2WQHVXE0SAD.LARGE.jpg)

(/pt/member/joesinstructables/)

X

8

Mai 15, 2014. 10:38 AM

Thanks for posting this. Is there a library somewhere of other tunes?

joesinstructables (/pt/member/joesinstructables/)diz:

(http://cdn.instructables.com/FRH/QZ2M/HV80IK2W/FRHQZ2MHV80IK2W.LARGE.jpg)

(http://cdn.instructables.com/FIY/R5UM/HV850FFL/FIYR5UMHV850FFL.LARGE.jpg)

value = 0;

break;

}

osc[i].phase += osc[i].freq;

acc += value * osc[i].volume; // rhs = [-8160,7905]

}

// acc [-32640,31620]

lastsample = 128 + (acc >> 8); // [1,251]

}

}

Now, in the longest data table, you can change the numbers...to get random

blips and bleeps. Have FUN!!!

Flag
http://cdn.instructables.com/FIY/R5UM/HV850FFL/FIYR5UMHV850FFL.LARGE.jpghttp://cdn.instructables.com/FRH/QZ2M/HV80IK2W/FRHQZ2MHV80IK2W.LARGE.jpghttp://www.instructables.com/pt/member/joesinstructables/http://www.instructables.com/pt/member/joesinstructables/http://cdn.instructables.com/F1A/Z2WQ/HVXE0SAD/F1AZ2WQHVXE0SAD.LARGE.jpghttp://www.instructables.com/pt/member/Jean_Rolszt/http://www.instructables.com/pt/member/Jean_Rolszt/


18/22

Responder

(/pt/member/teknohawk/)

Mai 20, 2013. 7:43 PM

I want the entire song to start over. Thanks.

Responder

teknohawk (/pt/member/teknohawk/)diz:

(/pt/member/teknohawk/)

Mai 13, 2013. 3:40 PM

I am absolutely astounded! I cannot believe this amazing Instructable. One

question though, is there a way to add a "void loop() {" Function? If so, can

you please tell me how?

Responder

teknohawk (/pt/member/teknohawk/)diz:


X

8

Mai 13, 2013. 4:31 PM

Do you want the song to loop itself or do you just want a void loop?

Responder

blinkyblinky (/pt/member/blinkyblinky/)diz:

(/pt/member/aaronXtreme/)

Abr 9, 2013. 12:43 PM

the code did not work.it plays for out 3 seconds the makes a fuzzy sound

that doesnt end.

is he code mesed up or what. help.

Responder

aaronXtreme (/pt/member/aaronXtreme/)diz:

(/pt/member/freakbyte/)

Out 29, 2012. 5:23 PM

Hi, I just wanted to thank you for this, and say that the leds are on pin 12

and 10 if you didn't know already. Just found out while looking trough the

code :)

Responder

freakbyte (/pt/member/freakbyte/)diz:

(/pt/member/powerman666/)

8 Ago 29, 2012. 9:15 PM

How do you generate the data for the songs? I have a great Idea for storing

them on an SD card for playback.

Responder

powerman666 (/pt/member/powerman666/)diz:

(/pt/member/origamic12/)

X

8

Abr 4, 2012. 3:39 PM

Nice. I got it to work.

Responder

origamic12 (/pt/member/origamic12/)diz:


X

8

Abr 4, 2012. 4:57 PM

You're welcome.

Responder


(/pt/member/tim127/)

8

Jan 22, 2012. 3:47 PM

Couldn't you just plug in a 1/4in guitar cable with the wire exposed on one

end for an amp?

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tim127 (/pt/member/tim127/)diz:

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19/22

X

8

X

8

X

8

X

8

I couldn't get the LEDs though...

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(/pt/member/Bongmaster/)

8

Dez 11, 2011. 7:10 PM

neat

where did u get the code?

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Bongmaster (/pt/member/Bongmaster/)diz:


X

8

Dez 11, 2011. 7:41 PM

In a mystical book in my basement that writes code for me.

Just kidding.


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20/22

.

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8

Dez 12, 2011. 12:19 AM

kool.

linky?

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X

8

Dez 12, 2011. 10:36 AM

The code is right here in my ible. Why do you need the link?

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8

Dez 12, 2011. 12:54 PM

to the forum topic, wanted to know more about the thing.

doesnt matter, did some looking about and found the origonal project

:)

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X

8

Dez 12, 2011. 1:24 PM

Good for you. :-)

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(/pt/member/therobomaker/)

Dez 11, 2011. 3:56 PM

Cool.

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therobomaker (/pt/member/therobomaker/)diz:


X

8

Dez 11, 2011. 3:57 PM

Thank you.

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(/pt/member/randofo/)

X

8

Dez 11, 2011. 10:01 AM

Very awesome.

You need to add a VCF next or at least a simple low pass filter. Check out

the right side of this schematic

(http://www.musicfromouterspace.com/analogsynth_new/THE_CAVE/Your%20First%20Synth/Your%20First%20Synth_files/your_first_syn

You can simply make buy an 1/8" plug from Radioshack and solder two

wires onto it. Then, get a small test amp from Radioshack (about $15) and

plug the jack into that.

Also, check out the book Handmade Electronic Music

(http://books.google.com/books/about/Handmade_electronic_music.html?

id=P1yEOTci8DMC) if you have not done so already.

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randofo (/pt/member/randofo/)diz:

(/pt/member/randofo/)

X

8

Dez 11, 2011. 10:04 AM

Also, where is the song data from? How was it generated?

randofo (/pt/member/randofo/)diz:

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21/22

espon er


X

8

Dez 11, 2011. 3:01 PM

I think it from the data in the code that is sort of like a table. I tried

altering half the data and it gave me some pretty weird sounds.

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(/pt/member/Ora/)

Dez 12, 2011. 10:17 PM

This is the original project that this is a ported version of:http://www.linusakesson.net/hardware/chiptune.php

(http://www.linusakesson.net/hardware/chiptune.php)

Here's the thread with the port: http://www.arduino.cc/cgi-

bin/yabb2/YaBB.pl?num=1265488118 (http://www.arduino.cc/cgi-

bin/yabb2/YaBB.pl?num=1265488118)

I tried downloading the tracker from the original project page, but I

have no idea how to actually get the tracker to run...

Responder

Ora (/pt/member/Ora/)diz:


X

8

Ago 21, 2012. 8:07 AM

You need a Linux OS like Ubuntu or similar. I am running OpenSuse

11.3 but it should be very similar. You will need to install libSDL next.

Then Open a terminal and use the 'change directory' command (cd)

to get to where you hid the file on your computer. Next go to the

same place using the GUI of your OS and read the readme file.

I don't have the file with me but I can say you execute it with

something like this (again check the readme file for a more accurate

command): ./tracker test2.song It should open up as a tracker.

I don't know much aside from the fact you can make it play, idle or

editable. Then use the app here

(http://bearborne.blogspot.com/2011/12/hi-everyone-today-im-back-

again-with.html). You will need gcc and java for it to run.

Here (http://bearborne.blogspot.com/2012/02/lft-tracker-howto.html)

is how you use the tracker.

Responder



X

8

Dez 11, 2011. 2:32 PMYeah, I have an amp...I also have the jack...just didn't know how to

explain on my ible.

Responder


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22/22

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