Now you can adjust pitch and intonation
This commit is contained in:
parent
c915b0ee69
commit
036dcf592e
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@ -0,0 +1,3 @@
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BasedOnStyle: Chromium
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ColumnLimit: 0
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PointerAlignment: Right
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@ -6,8 +6,10 @@ struct Fingering {
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bool alt; // Alternate fingering: sounds more choked
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};
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#define n(note) {note, false}
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#define P(note) {note, true}
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#define n(note) \
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{ note, false }
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#define P(note) \
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{ note, true }
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#define CCCC n(NOTE_CS5), n(NOTE_CS5), n(NOTE_CS5), n(NOTE_CS5)
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#define CCDD n(NOTE_CS5), n(NOTE_CS5), n(NOTE_D5), n(NOTE_D5)
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6
pipe.cpp
6
pipe.cpp
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@ -1,6 +1,6 @@
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#include "pipe.h"
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#include "tuning.h"
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#include "fingering.h"
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#include "tuning.h"
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// Kludge time: this is something I did just to make my breadboard look nicer.
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#define KEY_OFFSET 2
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@ -49,8 +49,8 @@ void Pipe::Update() {
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keysLast = keys;
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keys = 0;
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glissandoKeys = 0;
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for (int i=0; i<8; i++) {
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uint16_t val = max(capSensor.filteredData(i+KEY_OFFSET), CLOSEDVAL);
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for (int i = 0; i < 8; i++) {
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uint16_t val = max(capSensor.filteredData(i + KEY_OFFSET), CLOSEDVAL);
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float openness = ((val - CLOSEDVAL) / float(GLISSANDO_STEPS));
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// keys = all keys which are at least touched
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8
pipe.h
8
pipe.h
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@ -1,13 +1,13 @@
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#pragma once
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#include <stdint.h>
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#include <SparkFun_Qwiic_Button.h>
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#include <Adafruit_MPR121.h>
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#include <SparkFun_Qwiic_Button.h>
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#include <paj7620.h>
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#include <stdint.h>
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#include "tuning.h"
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class Pipe {
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public:
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public:
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// kneeClosedness indicates how "closed" the knee sensor is. 0 = wide open.
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uint8_t kneeClosedness;
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@ -52,7 +52,7 @@ public:
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// JustPressed returns whether the given key was just pressed.
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bool JustPressed(uint8_t key);
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private:
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private:
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Adafruit_MPR121 capSensor;
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QwiicButton bagSensor;
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bool bag_enabled;
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51
tuning.cpp
51
tuning.cpp
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@ -2,9 +2,6 @@
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#include <math.h>
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// 12th root of 2, used for Twelvetone Equal Temperament
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#define TET_CONST 1.059463
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Tuning::Tuning(Note base, float pitch, TuningSystem system) {
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Setup(base, pitch, system);
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}
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@ -14,18 +11,20 @@ Tuning::Tuning(Note base, float pitch) {
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// I like just Intonation.
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Tuning::Tuning() {
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#if 0
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Tuning(NOTE_D4, PITCH_CONCERT_D4, TUNINGSYSTEM_JUST);
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#endif
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}
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Note Tuning::GetBaseNote() { return baseNote; }
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Note Tuning::GetBaseNote() {
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return baseNote;
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}
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void Tuning::SetTuningSystem(TuningSystem system) {
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Setup(baseNote, GetPitch(baseNote), system);
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}
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TuningSystem Tuning::GetSystem() { return system; }
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TuningSystem Tuning::GetTuningSystem() {
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return system;
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}
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// setupOctaves computes the entire tuning frequency chart.
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//
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@ -53,7 +52,7 @@ void Tuning::setupOctaves(Note base) {
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void Tuning::setupEqual(Note base, float pitch) {
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pitches[base] = pitch;
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for (int i = 1; i < 12; i++) {
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pitches[base + i] = pitches[base + i - 1] * TET_CONST;
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pitches[base + i] = pitches[base + i - 1] * TET_SEMITONE_MULTIPLIER;
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}
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}
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@ -95,17 +94,43 @@ void Tuning::Setup(Note base, float pitch, TuningSystem system) {
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setupOctaves(base);
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}
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void Tuning::Setup(Note base, float pitch) { Setup(base, pitch, system); }
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void Tuning::Setup(Note base, float pitch) {
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Setup(base, pitch, system);
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}
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float Tuning::GetPitch(Note note) { return pitches[note]; }
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float Tuning::GetPitch(Note note) {
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return pitches[note];
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}
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Note NearestNote(float pitch) {
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return Note(round(log2(pitch / PITCH_CONCERT_C0)));
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return Note(round(log(pitch / PITCH_CONCERT_C0) / log(TET_SEMITONE_MULTIPLIER)));
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}
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const char *noteNames[]{
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"C ", "C#", "D ", "Eb", "E ", "F ", "F#", "G ", "Ab", "A ", "Bb", "B ",
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"C",
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"C#",
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"D",
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"Eb",
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"E",
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"F",
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"F#",
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"G",
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"Ab",
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"A",
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"Bb",
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"B",
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};
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const char *NoteName(Note note) { return noteNames[note % 12]; }
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const char *NoteName(Note note) {
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return noteNames[note % 12];
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}
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const char *TuningSystemName(TuningSystem system) {
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switch (system) {
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case TUNINGSYSTEM_EQUAL:
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return "Equal";
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case TUNINGSYSTEM_JUST:
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default:
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return "Just";
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}
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}
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144
tuning.h
144
tuning.h
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@ -4,19 +4,118 @@
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enum TuningSystem {
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TUNINGSYSTEM_JUST,
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TUNINGSYSTEM_EQUAL,
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TUNINGSYSTEM_MAX = TUNINGSYSTEM_EQUAL,
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};
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#define TUNINGSYSTEM_MAX TUNINGSYSTEM_EQUAL
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enum Note {
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NOTE_C0, NOTE_CS0, NOTE_D0, NOTE_DS0, NOTE_E0, NOTE_F0, NOTE_FS0, NOTE_G0, NOTE_GS0, NOTE_A0, NOTE_AS0, NOTE_B0,
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NOTE_C1, NOTE_CS1, NOTE_D1, NOTE_DS1, NOTE_E1, NOTE_F1, NOTE_FS1, NOTE_G1, NOTE_GS1, NOTE_A1, NOTE_AS1, NOTE_B1,
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NOTE_C2, NOTE_CS2, NOTE_D2, NOTE_DS2, NOTE_E2, NOTE_F2, NOTE_FS2, NOTE_G2, NOTE_GS2, NOTE_A2, NOTE_AS2, NOTE_B2,
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NOTE_C3, NOTE_CS3, NOTE_D3, NOTE_DS3, NOTE_E3, NOTE_F3, NOTE_FS3, NOTE_G3, NOTE_GS3, NOTE_A3, NOTE_AS3, NOTE_B3,
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NOTE_C4, NOTE_CS4, NOTE_D4, NOTE_DS4, NOTE_E4, NOTE_F4, NOTE_FS4, NOTE_G4, NOTE_GS4, NOTE_A4, NOTE_AS4, NOTE_B4,
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NOTE_C5, NOTE_CS5, NOTE_D5, NOTE_DS5, NOTE_E5, NOTE_F5, NOTE_FS5, NOTE_G5, NOTE_GS5, NOTE_A5, NOTE_AS5, NOTE_B5,
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NOTE_C6, NOTE_CS6, NOTE_D6, NOTE_DS6, NOTE_E6, NOTE_F6, NOTE_FS6, NOTE_G6, NOTE_GS6, NOTE_A6, NOTE_AS6, NOTE_B6,
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NOTE_C7, NOTE_CS7, NOTE_D7, NOTE_DS7, NOTE_E7, NOTE_F7, NOTE_FS7, NOTE_G7, NOTE_GS7, NOTE_A7, NOTE_AS7, NOTE_B7,
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NOTE_C8, NOTE_CS8, NOTE_D8, NOTE_DS8, NOTE_E8, NOTE_F8, NOTE_FS8, NOTE_G8, NOTE_GS8, NOTE_A8, NOTE_AS8, NOTE_B8,
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NOTE_C0,
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NOTE_CS0,
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NOTE_D0,
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NOTE_DS0,
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NOTE_E0,
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NOTE_F0,
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NOTE_FS0,
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NOTE_G0,
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NOTE_GS0,
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NOTE_A0,
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NOTE_AS0,
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NOTE_B0,
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NOTE_C1,
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NOTE_CS1,
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NOTE_D1,
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NOTE_DS1,
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NOTE_E1,
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NOTE_F1,
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NOTE_FS1,
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NOTE_G1,
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NOTE_GS1,
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NOTE_A1,
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NOTE_AS1,
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NOTE_B1,
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NOTE_C2,
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NOTE_CS2,
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NOTE_D2,
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NOTE_DS2,
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NOTE_E2,
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NOTE_F2,
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NOTE_FS2,
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NOTE_G2,
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NOTE_GS2,
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NOTE_A2,
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NOTE_AS2,
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NOTE_B2,
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NOTE_C3,
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NOTE_CS3,
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NOTE_D3,
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NOTE_DS3,
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NOTE_E3,
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NOTE_F3,
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NOTE_FS3,
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NOTE_G3,
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NOTE_GS3,
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NOTE_A3,
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NOTE_AS3,
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NOTE_B3,
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NOTE_C4,
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NOTE_CS4,
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NOTE_D4,
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NOTE_DS4,
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NOTE_E4,
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NOTE_F4,
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NOTE_FS4,
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NOTE_G4,
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NOTE_GS4,
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NOTE_A4,
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NOTE_AS4,
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NOTE_B4,
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NOTE_C5,
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NOTE_CS5,
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NOTE_D5,
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NOTE_DS5,
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NOTE_E5,
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NOTE_F5,
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NOTE_FS5,
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NOTE_G5,
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NOTE_GS5,
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NOTE_A5,
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NOTE_AS5,
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NOTE_B5,
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NOTE_C6,
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NOTE_CS6,
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NOTE_D6,
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NOTE_DS6,
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NOTE_E6,
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NOTE_F6,
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NOTE_FS6,
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NOTE_G6,
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NOTE_GS6,
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NOTE_A6,
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NOTE_AS6,
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NOTE_B6,
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NOTE_C7,
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NOTE_CS7,
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NOTE_D7,
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NOTE_DS7,
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NOTE_E7,
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NOTE_F7,
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NOTE_FS7,
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NOTE_G7,
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NOTE_GS7,
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NOTE_A7,
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NOTE_AS7,
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NOTE_B7,
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NOTE_C8,
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NOTE_CS8,
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NOTE_D8,
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NOTE_DS8,
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NOTE_E8,
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NOTE_F8,
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NOTE_FS8,
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NOTE_G8,
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NOTE_GS8,
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NOTE_A8,
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NOTE_AS8,
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NOTE_B8,
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NOTE_ZERO = 0,
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NOTE_SEMITONE = 1,
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NOTE_WHOLETONE = 2,
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@ -28,8 +127,15 @@ enum Note {
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#define PITCH_CONCERT_A4 440.00
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#define PITCH_CONCERT_D4 293.66
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// Twelvetone Equal Temperament semitone multiplier
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// Take any frequency and multiply it by this magic number to get a semitone higher!
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// Divide to get a semitone lower!
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// This is an approximation of exp(2, 1/12),
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// which was worked out in around the 1500s.
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#define TET_SEMITONE_MULTIPLIER 1.059463
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class Tuning {
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public:
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public:
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// name contains the name of the current tuning system
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const char *name;
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void Setup(Note base, float pitch, TuningSystem system);
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void Setup(Note base, float pitch);
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void SetTuningSystem(TuningSystem system);
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TuningSystem GetSystem();
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TuningSystem GetTuningSystem();
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Note GetBaseNote();
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float GetPitch(Note note);
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private:
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private:
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TuningSystem system;
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Note baseNote;
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float pitches[NOTE_MAX];
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// NearestNote returns the note nearest to pitch.
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Note NearestNote(float pitch);
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// NoteName return the name of a note (without octave).
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// NoteName returns the name of a note (without octave).
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const char *NoteName(Note note);
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// TuningSystemName returns the name of a tuning system.
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const char *TuningSystemName(TuningSystem system);
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// Make notes support some arithmetic
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inline Note toNote(int a) {
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@ -92,8 +200,12 @@ inline Note operator*(const Note a, const int b) {
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return toNote(int(a) * b);
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}
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inline int operator/(const Note a, const int b) {
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return int(a)/b;
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return int(a) / b;
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}
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inline int operator/(const Note a, const Note b) {
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return int(a)/b;
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return int(a) / b;
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}
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inline TuningSystem operator++(TuningSystem &a) {
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return a = TuningSystem((int(a) + 1) % int(TUNINGSYSTEM_MAX + 1));
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}
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109
uilleann.ino
109
uilleann.ino
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@ -3,7 +3,6 @@
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#include <Adafruit_SSD1306.h>
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#include <Audio.h>
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#include <Fonts/FreeSans9pt7b.h>
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#include <SparkFun_Qwiic_Button.h>
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#include <Wire.h>
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#include <paj7620.h>
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#include <stdio.h>
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Tuning tuning = Tuning(NOTE_D4, PITCH_CONCERT_D4, TUNINGSYSTEM_JUST);
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Adafruit_SSD1306 display(128, 32, &Wire, -1);
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int currentPatch = 0;
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// Settings
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uint8_t intonation = 0;
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int16_t pitchAdjust = 0;
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uint8_t patch[4] = {0};
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float volume[4] = {0};
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const char *settingNames[4] = {"c", "r", "d", "*"};
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const char *buildDate = __DATE__;
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// Pipes
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FMVoice Chanter;
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@ -100,7 +97,7 @@ void diag(const char *fmt, ...) {
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char s[80];
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va_start(args, fmt);
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vsnprintf(s, sizeof(s)-1, fmt, args);
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vsnprintf(s, sizeof(s) - 1, fmt, args);
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va_end(args);
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display.clearDisplay();
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display.setTextSize(1);
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display.setCursor(56, 24);
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display.print(__DATE__);
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display.print(buildDate);
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#if 0
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display.setCursor(0, 16);
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@ -171,8 +168,7 @@ void setup() {
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// Turn on drones
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for (int i = 0; i < 3; i++) {
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Note note = NOTE_D4 - (NOTE_OCTAVE * i);
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float pitch =
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tuning.GetPitch(note) * (0.01 * (i - 1)); // Detune just a touch
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float pitch = tuning.GetPitch(note) * (0.01 * (i - 1)); // Detune just a touch
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Drones[i].LoadPatch(&Bank[0]);
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Drones[i].NoteOn(pitch);
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}
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}
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void loop() {
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static bool forceDisplayUpdate = true;
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pipe.Update();
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diag("loop %d", millis());
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#if defined(ADAFRUIT_TRELLIS_M4_EXPRESS)
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trellis.tick();
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trellis.setPixelColor(1, trellis.ColorHSV(millis(), 255, 120));
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{
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uint16_t color = trellis.ColorHSV(64 * pipe.kneeClosedness, 255, 120);
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trellis.setPixelColor(0, color);
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}
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#endif
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// If we're infinitely (for the sensor) off the knee,
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// go into setup mode!
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if (pipe.kneeClosedness == 0) {
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doSetup();
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forceDisplayUpdate = true;
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} else {
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doPlay();
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doPlay(forceDisplayUpdate);
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forceDisplayUpdate = false;
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}
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}
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@ -225,12 +218,21 @@ void loop() {
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*
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*/
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void doSetup() {
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static unsigned long quietUntil = 0;
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// Stuff can set quietUntil to stop responding to keys for a bit
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#define quiet() quietUntil = millis() + 200
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if (millis() < quietUntil) {
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return;
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}
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display.clearDisplay();
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bool alt = pipe.Pressed(7);
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// Draw indicator bar
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display.fillRect(126, 0, 2, 32, SSD1306_WHITE);
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display.setFont(0);
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display.setTextSize(1);
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display.setCursor(0, 0);
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@ -238,7 +240,7 @@ void doSetup() {
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// Show settings for each of Chanter, Regulators, Drones
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for (int i = 0; i < 3; i++) {
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int p = patch[i];
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int16_t x = 0;
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int16_t x = 1;
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int16_t y = i * 8;
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display.setCursor(x, y);
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@ -265,31 +267,71 @@ void doSetup() {
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display.print(Bank[p].name);
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}
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} else {
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if (pipe.Pressed(6)) {
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float freq = PITCH_CONCERT_D4 + pitchAdjust;
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Note note = NearestNote(freq);
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||||
|
||||
display.setCursor(0, 0);
|
||||
if (pipe.Pressed(6)) {
|
||||
TuningSystem system = tuning.GetTuningSystem();
|
||||
float freq = tuning.GetPitch(NOTE_D4);
|
||||
Note note = NearestNote(freq);
|
||||
int octave = int(note) / 12;
|
||||
|
||||
if (pipe.JustPressed(3) || pipe.JustPressed(2)) {
|
||||
tuning.Setup(NOTE_A4, PITCH_CONCERT_A4, TUNINGSYSTEM_EQUAL);
|
||||
if (pipe.Pressed(3) && pipe.Pressed(2)) {
|
||||
++system;
|
||||
} else if (pipe.Pressed(3)) {
|
||||
freq = tuning.GetPitch(++note);
|
||||
} else if (pipe.Pressed(2)) {
|
||||
freq = tuning.GetPitch(--note);
|
||||
}
|
||||
tuning.Setup(NOTE_D4, freq, system);
|
||||
}
|
||||
|
||||
if (pipe.Pressed(1) || pipe.Pressed(0)) {
|
||||
if (pipe.Pressed(1) && pipe.Pressed(0)) {
|
||||
freq = PITCH_CONCERT_D4;
|
||||
quiet();
|
||||
} else if (pipe.Pressed(1)) {
|
||||
freq *= 1.001;
|
||||
} else if (pipe.Pressed(0)) {
|
||||
freq /= 1.001;
|
||||
}
|
||||
tuning.Setup(NOTE_D4, freq);
|
||||
note = NearestNote(freq);
|
||||
}
|
||||
|
||||
display.setFont(&FreeSans9pt7b);
|
||||
display.setCursor(0, 12);
|
||||
display.print(NoteName(note));
|
||||
display.setCursor(6 + 6, 0);
|
||||
display.print(octave);
|
||||
display.setCursor(48, 12);
|
||||
display.print(freq);
|
||||
|
||||
display.setCursor(0, 27);
|
||||
display.print(TuningSystemName(system));
|
||||
} else if (pipe.Pressed(5)) {
|
||||
display.print("fn2");
|
||||
} else if (pipe.Pressed(4)) {
|
||||
display.print("fn3");
|
||||
} else {
|
||||
display.setCursor(56, 8);
|
||||
display.setTextSize(2);
|
||||
display.setFont(&FreeSans9pt7b);
|
||||
display.setCursor(64, 18);
|
||||
display.print("Setup");
|
||||
|
||||
display.setFont();
|
||||
display.setTextSize(1);
|
||||
display.setCursor(0, 16);
|
||||
display.print("build");
|
||||
display.setCursor(0, 24);
|
||||
display.print(buildDate);
|
||||
}
|
||||
}
|
||||
|
||||
display.display();
|
||||
}
|
||||
|
||||
void doPlay() {
|
||||
void doPlay(bool forceUpdate) {
|
||||
static uint8_t last_note = 0;
|
||||
bool updateDisplay = false;
|
||||
bool updateDisplay = forceUpdate;
|
||||
|
||||
if (pipe.silent) {
|
||||
Chanter.NoteOff();
|
||||
|
@ -332,19 +374,16 @@ void doPlay() {
|
|||
|
||||
if (updateDisplay) {
|
||||
display.clearDisplay();
|
||||
display.setFont(&FreeSans9pt7b);
|
||||
|
||||
if (Chanter.patch) {
|
||||
display.setCursor(0, 32);
|
||||
display.print(Chanter.patch->name);
|
||||
}
|
||||
|
||||
display.setCursor(0, 16);
|
||||
display.setTextSize(2);
|
||||
display.print(Chanter.patch->name);
|
||||
|
||||
display.setCursor(0, 0);
|
||||
display.setTextSize(2);
|
||||
display.print(note_name);
|
||||
|
||||
display.setCursor(40, 0);
|
||||
display.setTextSize(1);
|
||||
display.print(pipe.kneeClosedness);
|
||||
|
||||
display.display();
|
||||
last_note = pipe.note;
|
||||
}
|
||||
|
|
Loading…
Reference in New Issue