Added possibility to use bite sensor for vibrato.
This commit is contained in:
Johan Berglund
parent
e251b86100
commit
597991c968
4 changed files with 138 additions and 40 deletions
107
NuEVI/NuEVI.ino
107
NuEVI/NuEVI.ino
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@ -72,8 +72,11 @@ unsigned short priority; // mono priority for rotator chords
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unsigned short vibSens = 2; // vibrato sensitivity
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unsigned short vibRetn = 2; // vibrato return speed
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unsigned short vibSquelch = 15; //vibrato signal squelch
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unsigned short vibSquelch = 12; //vibrato signal squelch
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unsigned short vibDirection = DNWD; //direction of first vibrato wave UPWD or DNWD
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unsigned short vibSensBite = 2; // vibrato sensitivity (bite)
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unsigned short vibSquelchBite = 12; //vibrato signal squelch (bite)
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unsigned short vibControl = 0;
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unsigned short fastPatch[7] = {0,0,0,0,0,0,0};
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@ -184,6 +187,9 @@ const unsigned short* const curves[] = {
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int vibThr; // this gets auto calibrated in setup
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int vibThrLo;
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int vibZero;
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int vibZeroBite;
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int vibThrBite;
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int vibThrBiteLo;
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int fingeredNote; // note calculated from fingering (switches), transpose and octave settings
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@ -309,6 +315,9 @@ void setup() {
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writeSetting(VIB_DIRECTION_ADDR,VIB_DIRECTION_FACTORY);
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writeSetting(BREATH_CC2_ADDR,BREATH_CC2_FACTORY);
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writeSetting(BREATH_CC2_RISE_ADDR,BREATH_CC2_RISE_FACTORY);
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writeSetting(VIB_SENS_BITE_ADDR,VIB_SENS_BITE_FACTORY);
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writeSetting(VIB_SQUELCH_BITE_ADDR,VIB_SQUELCH_BITE_FACTORY);
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writeSetting(VIB_CONTROL_ADDR,VIB_CONTROL_FACTORY);
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}
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// read settings from EEPROM
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breathThrVal = readSetting(BREATH_THR_ADDR);
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@ -355,7 +364,10 @@ void setup() {
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vibSquelch = readSetting(VIB_SQUELCH_ADDR);
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vibDirection = readSetting(VIB_DIRECTION_ADDR);
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breathCC2 = readSetting(BREATH_CC2_ADDR);
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breathCC2Rise = readSetting(BREATH_CC2_RISE_ADDR);
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breathCC2Rise = readSetting(BREATH_CC2_RISE_ADDR);
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vibSensBite = readSetting(VIB_SENS_BITE_ADDR);
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vibSquelchBite = readSetting(VIB_SQUELCH_BITE_ADDR);
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vibControl = readSetting(VIB_CONTROL_ADDR);
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legacy = dipSwBits & (1<<1);
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legacyBrAct = dipSwBits & (1<<2);
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@ -380,19 +392,23 @@ void setup() {
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}
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//auto-calibrate the vibrato threshold while showing splash screen
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vibZero = breathCalZero = 0;
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vibZero = vibZeroBite = breathCalZero = 0;
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const int sampleCount = 4;
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for(int i = 1 ; i <= sampleCount; ++i) {
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vibZero += touchRead(vibratoPin);
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breathCalZero += analogRead(breathSensorPin);
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if (biteJumper) vibZeroBite += analogRead(A7); else vibZeroBite += touchRead(bitePin);
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digitalWrite( statusLedPin, i&1 );
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delay(250);
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}
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vibZero /= sampleCount;
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breathCalZero /= sampleCount;
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vibZeroBite /= sampleCount;
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vibThr = vibZero - vibSquelch;
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vibThrLo = vibZero + vibSquelch;
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vibThrBite = vibZeroBite - vibSquelchBite;
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vibThrBiteLo = vibZeroBite + vibSquelchBite;
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digitalWrite(statusLedPin, LOW);
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delay(250);
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@ -948,49 +964,84 @@ void pitch_bend() {
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int vibMax;
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int calculatedPBdepth;
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byte pbTouched = 0;
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int vibRead;
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int vibReadBite;
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pbUp = touchRead(pbUpPin); // SENSOR PIN 23 - PCB PIN "Pu"
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pbDn = touchRead(pbDnPin); // SENSOR PIN 22 - PCB PIN "Pd"
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halfPitchBendKey = (pinkySetting == PBD) && (touchRead(halfPitchBendKeyPin) > touch_Thr); // SENSOR PIN 1 - PCB PIN "S1" - hold for 1/2 pitchbend value
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int vibRead = touchRead(vibratoPin); // SENSOR PIN 15 - built in var cap
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calculatedPBdepth = pbDepthList[PBdepth];
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if (halfPitchBendKey) calculatedPBdepth = calculatedPBdepth * 0.5;
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vibMax = vibMaxList[vibSens - 1];
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if (vibRead < vibThr) {
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if (UPWD == vibDirection) {
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vibSignal = vibSignal * 0.5 + 0.5 * map(constrain(vibRead, (vibZero - vibMax), vibThr), vibThr, (vibZero - vibMax), 0, calculatedPBdepth * vibDepth[vibrato]);
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} else {
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vibSignal = vibSignal * 0.5 + 0.5 * map(constrain(vibRead, (vibZero - vibMax), vibThr), vibThr, (vibZero - vibMax), 0, (0 - calculatedPBdepth * vibDepth[vibrato]));
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if (vibControl){ //bite vibrato
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if (biteJumper){ //PBITE (if pulled low with jumper, use pressure sensor instead of capacitive bite sensor)
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vibReadBite = analogRead(bitePressurePin); // alternative kind bite sensor (air pressure tube and sensor) PBITE
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} else {
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vibReadBite = touchRead(bitePin); // get sensor data, do some smoothing - SENSOR PIN 17 - PCB PINS LABELED "BITE" (GND left, sensor pin right)
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}
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} else if (vibRead > vibThrLo) {
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if (UPWD == vibDirection) {
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vibSignal = vibSignal * 0.5 + 0.5 * map(constrain(vibRead, vibThrLo, (vibZero + vibMax)), vibThrLo, (vibZero + vibMax), 0, (0 - calculatedPBdepth * vibDepth[vibrato]));
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if (vibReadBite < vibThrBite) {
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if (UPWD == vibDirection) {
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vibSignal = vibSignal * 0.5 + 0.5 * map(constrain(vibReadBite, (vibZeroBite - vibMax), vibThrBite), vibThrBite, (vibZeroBite - vibMax), 0, calculatedPBdepth * vibDepth[vibrato]);
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} else {
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vibSignal = vibSignal * 0.5 + 0.5 * map(constrain(vibReadBite, (vibZeroBite - vibMax), vibThrBite), vibThrBite, (vibZeroBite - vibMax), 0, (0 - calculatedPBdepth * vibDepth[vibrato]));
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}
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} else if (vibReadBite > vibThrBiteLo) {
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if (UPWD == vibDirection) {
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vibSignal = vibSignal * 0.5 + 0.5 * map(constrain(vibReadBite, vibThrBiteLo, (vibZeroBite + vibMax)), vibThrBiteLo, (vibZeroBite + vibMax), 0, (0 - calculatedPBdepth * vibDepth[vibrato]));
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} else {
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vibSignal = vibSignal * 0.5 + 0.5 * map(constrain(vibReadBite, vibThrBiteLo, (vibZeroBite + vibMax)), vibThrBiteLo, (vibZeroBite + vibMax), 0, calculatedPBdepth * vibDepth[vibrato]);
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}
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} else {
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vibSignal = vibSignal * 0.5 + 0.5 * map(constrain(vibRead, vibThrLo, (vibZero + vibMax)), vibThrLo, (vibZero + vibMax), 0, calculatedPBdepth * vibDepth[vibrato]);
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vibSignal = vibSignal * 0.5;
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}
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} else { //lever vibrato
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vibRead = touchRead(vibratoPin); // SENSOR PIN 15 - built in var cap
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if (vibRead < vibThr) {
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if (UPWD == vibDirection) {
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vibSignal = vibSignal * 0.5 + 0.5 * map(constrain(vibRead, (vibZero - vibMax), vibThr), vibThr, (vibZero - vibMax), 0, calculatedPBdepth * vibDepth[vibrato]);
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} else {
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vibSignal = vibSignal * 0.5 + 0.5 * map(constrain(vibRead, (vibZero - vibMax), vibThr), vibThr, (vibZero - vibMax), 0, (0 - calculatedPBdepth * vibDepth[vibrato]));
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}
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} else if (vibRead > vibThrLo) {
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if (UPWD == vibDirection) {
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vibSignal = vibSignal * 0.5 + 0.5 * map(constrain(vibRead, vibThrLo, (vibZero + vibMax)), vibThrLo, (vibZero + vibMax), 0, (0 - calculatedPBdepth * vibDepth[vibrato]));
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} else {
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vibSignal = vibSignal * 0.5 + 0.5 * map(constrain(vibRead, vibThrLo, (vibZero + vibMax)), vibThrLo, (vibZero + vibMax), 0, calculatedPBdepth * vibDepth[vibrato]);
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}
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} else {
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vibSignal = vibSignal * 0.5;
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}
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} else {
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vibSignal = vibSignal * 0.5;
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}
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switch (vibRetn) { // moving baseline
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case 0:
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//keep vibZero value
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break;
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case 1:
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vibZero = vibZero * 0.95 + vibRead * 0.05;
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vibZeroBite = vibZeroBite * 0.95 + vibReadBite * 0.05;
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break;
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case 2:
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vibZero = vibZero * 0.9 + vibRead * 0.1;
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vibZeroBite = vibZeroBite * 0.9 + vibReadBite * 0.1;
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break;
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case 3:
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vibZero = vibZero * 0.8 + vibRead * 0.2;
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vibZeroBite = vibZeroBite * 0.8 + vibReadBite * 0.2;
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break;
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case 4:
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vibZero = vibZero * 0.6 + vibRead * 0.4;
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vibZeroBite = vibZeroBite * 0.6 + vibReadBite * 0.4;
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}
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vibThr = vibZero - vibSquelch;
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vibThrLo = vibZero + vibSquelch;
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vibThrBite = vibZeroBite - vibSquelchBite;
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vibThrBiteLo = vibZeroBite + vibSquelchBite;
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int pbPos = map(constrain(pbUp, pitchbThrVal, pitchbMaxVal), pitchbThrVal, pitchbMaxVal, 0, calculatedPBdepth);
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int pbNeg = map(constrain(pbDn, pitchbThrVal, pitchbMaxVal), pitchbThrVal, pitchbMaxVal, 0, calculatedPBdepth);
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int pbSum = 8193 + pbPos - pbNeg;
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@ -1132,19 +1183,21 @@ void extraController() {
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//***********************************************************
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void portamento_() {
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// Portamento is controlled with the bite sensor (variable capacitor) in the mouthpiece
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if (biteJumper){ //PBITE (if pulled low with jumper, use pressure sensor instead of capacitive bite sensor)
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biteSensor=analogRead(bitePressurePin); // alternative kind bite sensor (air pressure tube and sensor) PBITE
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} else {
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biteSensor = touchRead(bitePin); // get sensor data, do some smoothing - SENSOR PIN 17 - PCB PINS LABELED "BITE" (GND left, sensor pin right)
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}
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if (portamento && (biteSensor >= portamThrVal)) { // if we are enabled and over the threshold, send portamento
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if (!portIsOn) {
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portOn();
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if (!vibControl){
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// Portamento is controlled with the bite sensor (variable capacitor) in the mouthpiece
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if (biteJumper){ //PBITE (if pulled low with jumper, use pressure sensor instead of capacitive bite sensor)
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biteSensor=analogRead(bitePressurePin); // alternative kind bite sensor (air pressure tube and sensor) PBITE
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} else {
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biteSensor = touchRead(bitePin); // get sensor data, do some smoothing - SENSOR PIN 17 - PCB PINS LABELED "BITE" (GND left, sensor pin right)
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}
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if (portamento && (biteSensor >= portamThrVal)) { // if we are enabled and over the threshold, send portamento
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if (!portIsOn) {
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portOn();
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}
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port();
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} else if (portIsOn) { // we have just gone below threshold, so send zero value
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portOff();
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}
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port();
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} else if (portIsOn) { // we have just gone below threshold, so send zero value
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portOff();
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}
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}
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