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Ceci est une ancienne révision du document !
Une teensy 2.0, 4 faders (10kΩ - provenant d'une UC33 - specs) et les materiaux du moment, contre plaqué, plaque PVC, tige filetée et écroux de 3mm de diametre.
D'apres le patch Teensy4malinette, les faders sont configuré pour envoyer les données midi sur le chanel1, port 10, 11, 12 et 13.
Apres avoir installé Teensyduino, ci-dessous le patch à téléverser :
#include <Bounce.h> // the MIDI channel number to send messages const int channel = 1; // the MIDI continuous controller for each analog input const int controllerA0 = 13; // 10 = pan position const int controllerA1 = 12; // 11 = volume/expression const int controllerA2 = 11; // 91 = reverb level const int controllerA3 = 10; // 93 = chorus level void setup() { } // store previously sent values, to detect changes int previousA0 = -1; int previousA1 = -1; int previousA2 = -1; int previousA3 = -1; elapsedMillis msec = 0; void loop() { // only check the analog inputs 50 times per second, // to prevent a flood of MIDI messages if (msec >= 20) { msec = 0; int n0 = analogRead(A0) / 8; int n1 = analogRead(A1) / 8; int n2 = analogRead(A2) / 8; int n3 = analogRead(A3) / 8; // only transmit MIDI messages if analog input changed if (n0 != previousA0) { usbMIDI.sendControlChange(controllerA0, n0, channel); previousA0 = n0; } if (n1 != previousA1) { usbMIDI.sendControlChange(controllerA1, n1, channel); previousA1 = n1; } if (n2 != previousA2) { usbMIDI.sendControlChange(controllerA2, n2, channel); previousA2 = n2; } if (n3 != previousA3) { usbMIDI.sendControlChange(controllerA3, n3, channel); previousA3 = n3; } } // MIDI Controllers should discard incoming MIDI messages. // http://forum.pjrc.com/threads/24179-Teensy-3-Ableton-Analog-CC-causes-midi-crash while (usbMIDI.read()) { // ignore incoming messages } }