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88 lines
2.4 KiB
88 lines
2.4 KiB
3 years ago
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#include <Arduino.h>
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#include <Audio.h>
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#include <TeensyVariablePlayback.h>
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#include <MIDI.h>
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#include "flashloader.h"
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// GUItool: begin automatically generated code
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AudioPlayArrayResmp rraw_a1; //xy=321,513
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AudioOutputI2S i2s1; //xy=675,518
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AudioConnection patchCord1(rraw_a1, 0, i2s1, 0);
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AudioConnection patchCord2(rraw_a1, 0, i2s1, 1);
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AudioControlSGTL5000 sgtl5000_1; //xy=521,588
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// GUItool: end automatically generated code
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#define A14 10
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MIDI_CREATE_DEFAULT_INSTANCE();
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const int analogInPin = A14;
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newdigate::audiosample *sample;
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double getPlaybackRate(int16_t analog) { //analog: 0..1023
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return (analog - 512.0) / 512.0;
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}
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float calcFrequency(uint8_t note) {
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float result = 440.0 * powf(2.0, (note-69) / 12.0);
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return result;
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}
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void handleNoteOn(uint8_t channel, uint8_t pitch, uint8_t velocity)
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{
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rraw_a1.setLoopType(loop_type::looptype_repeat);
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float freq = calcFrequency(pitch);
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uint32_t numSamples = 44100 / freq;
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rraw_a1.startLoop(numSamples);
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}
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void handleNoteOff(uint8_t channel, uint8_t pitch, uint8_t velocity)
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{
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rraw_a1.setLoopType(loop_type::looptype_none);
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}
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void setup() {
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analogReference(0);
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pinMode(analogInPin, INPUT_DISABLE); // i.e. Analog
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Serial.begin(9600);
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while (!SD.begin(BUILTIN_SDCARD)) {
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Serial.println("initialization failed!");
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delay(1000);
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}
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MIDI.setHandleNoteOn(handleNoteOn);
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MIDI.setHandleNoteOff(handleNoteOff);
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MIDI.begin(MIDI_CHANNEL_OMNI);
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sgtl5000_1.enable();
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sgtl5000_1.volume(0.5f, 0.5f);
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rraw_a1.enableInterpolation(true);
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int newsensorValue = analogRead(analogInPin);
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rraw_a1.setPlaybackRate(getPlaybackRate(newsensorValue));
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newdigate::flashloader loader;
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sample = loader.loadSample("MONKS.RAW");
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AudioMemory(50);
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Serial.println("setup done");
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}
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void loop() {
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int newsensorValue = analogRead(analogInPin);
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rraw_a1.setPlaybackRate(getPlaybackRate(newsensorValue));
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unsigned currentMillis = millis();
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if (currentMillis > lastSamplePlayed + 500) {
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if (!rraw_a1.isPlaying()) {
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rraw_a1.play(sample->sampledata, sample->samplesize/2);
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lastSamplePlayed = currentMillis;
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Serial.print("Memory: ");
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Serial.print(AudioMemoryUsage());
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Serial.print(",");
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Serial.print(AudioMemoryUsageMax());
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Serial.println();
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}
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}
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delay(10);
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}
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