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This commit is contained in:
Johan Berglund 2017-09-01 14:05:21 +02:00
parent 9d6b160cf2
commit 94d9ceb89b
1 changed files with 33 additions and 15 deletions
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46
NuEVI.ino
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@ -108,7 +108,7 @@ PROGRAMME FUNCTION: EVI Wind Controller using the Freescale MP3V5004GP breath
#define PORTAM_FACTORY 2 // 0 - OFF, 1 - ON, 2 - SW
#define PB_FACTORY 1 // 0 - OFF, 1 - 12
#define EXTRA_FACTORY 1 // 0 - OFF, 1 - ON->Modulation, 2 - Sustain
#define VIBRATO_FACTORY 3 // 0 - OFF, 1 - 7 depth
#define VIBRATO_FACTORY 3 // 0 - OFF, 1 - 6 depth
#define DEGLITCH_FACTORY 20 // 0 - OFF, 5 to 70 ms in steps of 5
#define PATCH_FACTORY 1 // MIDI program change 1-128
#define OCTAVE_FACTORY 3 // 3 is 0 octave change
@ -210,7 +210,7 @@ unsigned short velocity;
unsigned short portamento;// switching on cc65? just cc5 enabled? SW:ON:OFF
unsigned short PBdepth; // OFF:1-12 divider
unsigned short extraCT; // OFF:MOD
unsigned short vibrato; // OFF:1-7
unsigned short vibrato; // OFF:1-6
unsigned short deglitch; // 0-70 ms in steps of 5
unsigned short patch; // 1-128
unsigned short octave; //
@ -322,9 +322,10 @@ int pbDn=0;
int lastPbUp=0;
int lastPbDn=0;
int vibDepth[7] = {0,127,254,511,1023,2047,4095}; // these values need too be looked over
int vibDepth[7] = {0,127,254,511,1023,2047,4095}; // max pitch bend values (+/-) for the vibrato settings
int vibThr=1900;
int vibThr=1900; // this gets auto calibrated in setup
byte vibDelta=7; // sensitivity for vibrato movement detection, lower is more sensitive
int oldvibRead=0;
byte dirUp=0; // direction of first vibrato wave
@ -433,7 +434,7 @@ void setup() {
//_______________________________________________________________________________________________ MAIN LOOP
void loop() {
pressureSensor = analogRead(A0); // Get the pressure sensor reading from analog pin A0
pressureSensor = analogRead(A0); // Get the pressure sensor reading from analog pin A0, input from sensor MP3V5004GP
if (mainState == NOTE_OFF) {
if (activeMIDIchannel != MIDIchannel) activeMIDIchannel = MIDIchannel; // only switch channel if no active note
@ -521,8 +522,8 @@ void loop() {
// Is it time to send more CC data?
if (millis() - ccSendTime > CC_INTERVAL) {
// Read touch pads (Teensy built in) and put value in variables
specialKey=(touchRead(0) > touch_Thr); //S2
halfPitchBendKey=(touchRead(1) > touch_Thr); //S1
specialKey=(touchRead(0) > touch_Thr); //S2 - not yet used
halfPitchBendKey=(touchRead(1) > touch_Thr); //S1 - hold for 1/2 pitchbend value
// deal with Breath, Pitch Bend and Modulation
breath();
pitch_bend();
@ -531,6 +532,8 @@ void loop() {
ccSendTime = millis();
}
if (millis() - pixelUpdateTime > pixelUpdateInterval){
// even if we just alter a pixel, the whole display is redrawn (35ms of MPU lockup) and we can't do that all the time
// this is one of the big reasons the display is for setup use only
drawSensorPixels();
pixelUpdateTime = millis();
}
@ -633,12 +636,16 @@ void breath(){
//**************************************************************
void pitch_bend(){
// handle input from pitchbend touchpads and
// on-pcb variable capacitor for vibrato.
int calculatedPBdepth;
byte vibratoMoved = 0;
pbUp = touchRead(23);
pbDn = touchRead(22);
int vibRead = touchRead(15); // SENSOR PIN 15
if ((vibRead < vibThr)&&(vibRead > (oldvibRead+7))){
pbUp = touchRead(23); // SENSOR PIN 23 - PCB PIN "Pu"
pbDn = touchRead(22); // SENSOR PIN 22 - PCB PIN "Pd"
int vibRead = touchRead(15); // SENSOR PIN 15 - built in var cap
if ((vibRead < vibThr)&&(vibRead > (oldvibRead+vibDelta))){
if (!dirUp){
pitchBend=oldpb*0.7+0.3*(8192 + vibDepth[vibrato]);
vibratoMoved = 1;
@ -646,7 +653,7 @@ void pitch_bend(){
pitchBend=oldpb*0.7+0.3*(8191 - vibDepth[vibrato]);
vibratoMoved = 1;
}
} else if ((vibRead < vibThr)&&(vibRead < (oldvibRead-7))){
} else if ((vibRead < vibThr)&&(vibRead < (oldvibRead-vibDelta))){
if (!dirUp ){
pitchBend=oldpb*0.7+0.3*(8191 - vibDepth[vibrato]);
vibratoMoved = 1;
@ -684,7 +691,8 @@ void pitch_bend(){
//***********************************************************
void extraController(){
exSensor=exSensor*0.6+0.4*touchRead(16); // get sensor data, do some smoothing - SENSOR PIN 16
// Extra Controller is the lip touch sensor (proportional) in front of the mouthpiece
exSensor=exSensor*0.6+0.4*touchRead(16); // get sensor data, do some smoothing - SENSOR PIN 16 - PCB PIN "EC" (marked K4 on some prototype boards)
if (extraCT && (exSensor >= extracThrVal)) { // if we are enabled and over the threshold, send data
if (!extracIsOn) {
extracIsOn=1;
@ -718,7 +726,8 @@ void extraController(){
//***********************************************************
void portamento_(){
biteSensor=biteSensor*0.6+0.4*touchRead(17); // get sensor data, do some smoothing - SENSOR PIN 17
// Portamento is controlled with the bite sensor (variable capacitor) in the mouthpiece
biteSensor=biteSensor*0.6+0.4*touchRead(17); // get sensor data, do some smoothing - SENSOR PIN 17 - PCB PINS LABELED "BITE" (GND left, sensor pin right)
if (portamento && (biteSensor >= portamThrVal)) { // if we are enabled and over the threshold, send portamento
if (!portIsOn) {
portOn();
@ -799,6 +808,15 @@ void readSwitches(){
K6=((touchValue >> 0) & 0x01);
K7=((touchValue >> 1) & 0x01);
/*
* PINOUT ON PCB vs PINS ON MPR121
*
* (R2) (R4) (K4) (K2) (K5) (K7) <-> (11) (09) (07) (05) (03) (01)
*
* (R1) (R3/6) (R5) (K1) (K3) (K6) <-> (10) (08) (06) (04) (02) (00)
*
*/
// Calculate midi note number from pressed keys
fingeredNote=startNote-2*K1-K2-3*K3-5*K4+2*K5+K6+4*K7+octaveR*12+(octave-3)*12+transpose-12;