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projets:brutbox:v1:brutbox_v1
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projets:brutbox:v1:brutbox_v1 [2016/04/04 11:24] resonance supprimée |
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| - | ====== BrutBox V1 ====== | ||
| - | * Date : avril 2016 | ||
| - | |||
| - | Il est temps de figer une Brutbox v1.0 qui sera basée sur une carte Teensy 2.0 et 8 capteurs simples. | ||
| - | |||
| - | ===== Matériaux ===== | ||
| - | * Carte [[https:// | ||
| - | * Bois CP de 3mm | ||
| - | * Cuivre pour PCB | ||
| - | * Capteurs (distance, luminosité LDR, potentiomètre et bouton d' | ||
| - | * Prise USB A et B (8 de chaques) | ||
| - | * Visseries | ||
| - | |||
| - | |||
| - | ===== Logiciel ===== | ||
| - | Dernière version issue de la résidence de Février 2016 à l' | ||
| - | {{: | ||
| - | |||
| - | ===== Teensy Firmware ===== | ||
| - | Code Teensy : \\ | ||
| - | ++++ teensy-8-in.ino | | ||
| - | <code cpp> | ||
| - | // the MIDI channel number to send messages | ||
| - | const int channel = 1; | ||
| - | |||
| - | // the MIDI continuous controller for each analog input | ||
| - | const int controllerA0 = 1; // | ||
| - | const int controllerA1 = 2; // | ||
| - | const int controllerA2 = 3; // | ||
| - | const int controllerA3 = 4; // | ||
| - | const int controllerA4 = 5; // | ||
| - | const int controllerA5 = 6; // | ||
| - | const int controllerA6 = 7; // | ||
| - | const int controllerA7 = 8; // | ||
| - | |||
| - | void setup() { | ||
| - | } | ||
| - | |||
| - | // store previously sent values, to detect changes | ||
| - | int previousA0 = -1; | ||
| - | int previousA1 = -1; | ||
| - | int previousA2 = -1; | ||
| - | int previousA3 = -1; | ||
| - | int previousA4 = -1; | ||
| - | int previousA5 = -1; | ||
| - | int previousA6 = -1; | ||
| - | int previousA7 = -1; | ||
| - | |||
| - | elapsedMillis msec = 0; | ||
| - | |||
| - | void loop() { | ||
| - | // only check the analog inputs 50 times per second, | ||
| - | // to prevent a flood of MIDI messages | ||
| - | if (msec >= 50) { | ||
| - | msec = 0; | ||
| - | int n0 = analogRead(A0) / 8; | ||
| - | int n1 = analogRead(A1) / 8; | ||
| - | int n2 = analogRead(A2) / 8; | ||
| - | int n3 = analogRead(A3) / 8; | ||
| - | int n4 = analogRead(A4) / 8; | ||
| - | int n5 = analogRead(A5) / 8; | ||
| - | int n6 = analogRead(A6) / 8; | ||
| - | int n7 = analogRead(A7) / 8; | ||
| - | |||
| - | // only transmit MIDI messages if analog input changed | ||
| - | if (n0 != previousA0) { | ||
| - | usbMIDI.sendControlChange(controllerA0, | ||
| - | previousA0 = n0; | ||
| - | } | ||
| - | if (n1 != previousA1) { | ||
| - | usbMIDI.sendControlChange(controllerA1, | ||
| - | previousA1 = n1; | ||
| - | } | ||
| - | if (n2 != previousA2) { | ||
| - | usbMIDI.sendControlChange(controllerA2, | ||
| - | previousA2 = n2; | ||
| - | } | ||
| - | if (n3 != previousA3) { | ||
| - | usbMIDI.sendControlChange(controllerA3, | ||
| - | previousA3 = n3; | ||
| - | } | ||
| - | if (n4 != previousA4) { | ||
| - | usbMIDI.sendControlChange(controllerA4, | ||
| - | previousA4 = n4; | ||
| - | } | ||
| - | if (n5 != previousA5) { | ||
| - | usbMIDI.sendControlChange(controllerA5, | ||
| - | previousA5 = n5; | ||
| - | } | ||
| - | |||
| - | if (n6 != previousA6) { | ||
| - | usbMIDI.sendControlChange(controllerA6, | ||
| - | previousA6 = n6; | ||
| - | } | ||
| - | if (n7 != previousA7) { | ||
| - | usbMIDI.sendControlChange(controllerA7, | ||
| - | previousA7 = n7; | ||
| - | } | ||
| - | |||
| - | |||
| - | } | ||
| - | |||
| - | // MIDI Controllers should discard incoming MIDI messages. | ||
| - | // http:// | ||
| - | while (usbMIDI.read()) { | ||
| - | // ignore incoming messages | ||
| - | } | ||
| - | } | ||
| - | </ | ||
| - | ++++ | ||
| - | |||
| - | ===== Teensy PCB ===== | ||
| - | |||
| - | ===== Boîtes ===== | ||
| - | Découpe de plaques en bois de 3mm avec une machine à découpe laser. | ||
| - | |||
| - | * Boite capteur générique 75x75x60mm : {{: | ||
| - | * Boite mère Teensy 75x90x40mm : {{: | ||
| - | |||
| - | |||
/home/resonancg/www/wiki/data/attic/projets/brutbox/v1/brutbox_v1.1459761860.txt.gz · Dernière modification: 2016/04/04 11:24 de resonance
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