1319 lines
49 KiB
C++
1319 lines
49 KiB
C++
#include <Wire.h>
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#include <Adafruit_MPR121.h>
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#include <SPI.h>
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#include <EEPROM.h>
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#include <Filters.h> // for the breath signal LP filtering, https://github.com/edgar-bonet/Filters
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#include "globals.h"
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#include "hardware.h"
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#include "midi.h"
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#include "menu.h"
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#include "config.h"
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#include "settings.h"
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/*
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NAME: NuEVI
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WRITTEN BY: JOHAN BERGLUND
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DATE: 2018-04-19
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FILE SAVED AS: NuEVI.ino
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FOR: PJRC Teensy 3.2 and a MPR121 capactive touch sensor board.
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Uses an SSD1306 controlled OLED display communicating over I2C.
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PROGRAMME FUNCTION: EVI Wind Controller using the Freescale MP3V5004GP breath sensor
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and capacitive touch keys. Output to both USB MIDI and DIN MIDI.
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*/
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// The three states of our main state machine
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// No note is sounding
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#define NOTE_OFF 1
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// We've observed a transition from below to above the
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// threshold value. We wait a while to see how fast the
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// breath velocity is increasing
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#define RISE_WAIT 2
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// A note is sounding
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#define NOTE_ON 3
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//Make sure compiler is set to the appropriate platform
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#ifndef __MK20DX256__
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#error "Wrong target platform. Please set to Teensy 3.1/3.2 (MK20DX256)."
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#endif
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#if !defined(USB_MIDI) && !defined(USB_MIDI_SERIAL)
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#error "USB MIDI not enabled. Please set USB type to 'MIDI' or 'Serial + MIDI'."
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#endif
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//_______________________________________________________________________________________________ DECLARATIONS
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//variables setup
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unsigned short breathThrVal;// = 350;
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unsigned short breathMaxVal;// = 1000;
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unsigned short portamThrVal;// = 1730;
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unsigned short portamMaxVal;// = 3300;
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unsigned short pitchbThrVal;// = 1200;
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unsigned short pitchbMaxVal;// = 2400;
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unsigned short extracThrVal;// = 1200;
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unsigned short extracMaxVal;// = 2400;
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unsigned short ctouchThrVal;// = 120;
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unsigned short transpose;
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unsigned short MIDIchannel;
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unsigned short breathCC; // OFF:MW:BR:VL:EX:MW+:BR+:VL+:EX+:CF
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unsigned short breathAT;
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unsigned short velocity;
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unsigned short portamento;// switching on cc65? just cc5 enabled? SW:ON:OFF
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unsigned short PBdepth; // OFF:1-12 divider
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unsigned short extraCT; // OFF:MW:FP:CF:SP
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unsigned short vibrato; // OFF:1-9
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unsigned short deglitch; // 0-70 ms in steps of 5
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unsigned short patch; // 1-128
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unsigned short octave;
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unsigned short curve;
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unsigned short velSmpDl; // 0-30 ms
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unsigned short velBias; // 0-9
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unsigned short pinkySetting; // 0 - 11 (QuickTranspose -12 to -1), 12 (pb/2), 13 - 24 (QuickTranspose +1 to +12)
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unsigned short dipSwBits; // virtual dip switch settings for special modes (work in progress)
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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 vibDirection = DNWD; //direction of first vibrato wave UPWD or DNWD
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unsigned short fastPatch[7] = {0,0,0,0,0,0,0};
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byte rotatorOn = 0;
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byte currentRotation = 0;
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uint16_t rotations[4]; // semitones { -5, -10, -7, -14 };
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uint16_t parallel; // = 7; // semitones
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byte gateOpen = 0; // setting for gate always open, note on sent for every time fingering changes, no matter the breath status
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int touch_Thr = 1300;
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byte ccList[11] = {0,1,2,7,11,1,2,7,11,74,20}; // OFF, Modulation, Breath, Volume, Expression (then same sent in hires), CC74 (cutoff/brightness), CC20
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int pbDepthList[13] = {8192,8192,4096,2731,2048,1638,1365,1170,1024,910,819,744,683};
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// the following variables are unsigned longs because the time, measured in
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// milliseconds, will quickly become a bigger number than can be stored in an int.
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static unsigned long pixelUpdateTime = 0;
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static const unsigned long pixelUpdateInterval = 80;
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unsigned long lastDeglitchTime = 0; // The last time the fingering was changed
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unsigned long ccSendTime = 0L; // The last time we sent CC values
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unsigned long breath_on_time = 0L; // Time when breath sensor value went over the ON threshold
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int lastFingering = 0; // Keep the last fingering value for debouncing
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int mainState; // The state of the main state machine
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int initial_breath_value; // The breath value at the time we observed the transition
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byte activeMIDIchannel; // MIDI channel
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byte activePatch=0;
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byte doPatchUpdate=0;
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byte legacy = 0;
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byte legacyBrAct = 0;
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byte halfTime = 0;
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boolean programonce = false;
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byte slowMidi = 0;
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int breathLevel=0; // breath level (smoothed) not mapped to CC value
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int oldbreath=0;
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unsigned int oldbreathhires=0;
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float filterFreq = 30.0;
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float filterVal = 0.15;
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float smoothedVal;
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int pressureSensor; // pressure data from breath sensor, for midi breath cc and breath threshold checks
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int lastPressure;
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byte velocitySend; // remapped midi velocity from breath sensor (or set to static value if selected)
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int breathCalZero;
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int biteSensor=0; // capacitance data from bite sensor, for midi cc and threshold checks
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byte portIsOn=0; // keep track and make sure we send CC with 0 value when off threshold
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int oldport=0;
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int lastBite=0;
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byte biteJumper=0;
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int cvPitch;
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int targetPitch;
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int exSensor=0;
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byte extracIsOn=0;
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int oldextrac=0;
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int lastEx=0;
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int pitchBend=8192;
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int oldpb=8192;
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int vibSignal=0;
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int pbUp=0;
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int pbDn=0;
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byte vibLedOff = 0;
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byte oldpkey = 0;
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static const float vibDepth[10] = {0,0.05,0.1,0.15,0.2,0.25,0.3,0.35,0.40,0.45}; // max pitch bend values (+/-) for the vibrato settings
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static const short vibMaxList[12] = {300,275,250,225,200,175,150,125,100,75,50,25};
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static const unsigned short curveM4[] = {0,4300,7000,8700,9900,10950,11900,12600,13300,13900,14500,15000,15450,15700,16000,16250,16383};
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static const unsigned short curveM3[] = {0,2900,5100,6650,8200,9500,10550,11500,12300,13100,13800,14450,14950,15350,15750,16150,16383};
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static const unsigned short curveM2[] = {0,2000,3600,5000,6450,7850,9000,10100,11100,12100,12900,13700,14400,14950,15500,16000,16383};
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static const unsigned short curveM1[] = {0,1400,2850,4100,5300,6450,7600,8700,9800,10750,11650,12600,13350,14150,14950,15650,16383};
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static const unsigned short curveIn[] = {0,1023,2047,3071,4095,5119,6143,7167,8191,9215,10239,11263,12287,13311,14335,15359,16383};
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static const unsigned short curveP1[] = {0,600,1350,2150,2900,3800,4700,5600,6650,7700,8800,9900,11100,12300,13500,14850,16383};
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static const unsigned short curveP2[] = {0,400,800,1300,2000,2650,3500,4300,5300,6250,7400,8500,9600,11050,12400,14100,16383};
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static const unsigned short curveP3[] = {0,200,500,900,1300,1800,2350,3100,3800,4600,5550,6550,8000,9500,11250,13400,16383};
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static const unsigned short curveP4[] = {0,100,200,400,700,1050,1500,1950,2550,3200,4000,4900,6050,7500,9300,12100,16383};
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static const unsigned short curveS1[] = {0,600,1350,2150,2900,3800,4700,6000,8700,11000,12400,13400,14300,14950,15500,16000,16383};
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static const unsigned short curveS2[] = {0,600,1350,2150,2900,4000,6100,9000,11000,12100,12900,13700,14400,14950,15500,16000,16383};
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//static const unsigned short curveS3[] = {0,600,1350,2300,3800,6200,8700,10200,11100,12100,12900,13700,14400,14950,15500,16000,16383};
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//static const unsigned short curveS4[] = {0,600,1700,4000,6600,8550,9700,10550,11400,12200,12900,13700,14400,14950,15500,16000,16383};
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static const unsigned short curveZ1[] = {0,1400,2100,2900,3200,3900,4700,5600,6650,7700,8800,9900,11100,12300,13500,14850,16383};
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static const unsigned short curveZ2[] = {0,2000,3200,3800,4096,4800,5100,5900,6650,7700,8800,9900,11100,12300,13500,14850,16383};
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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 fingeredNote; // note calculated from fingering (switches), transpose and octave settings
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int fingeredNoteUntransposed; // note calculated from fingering (switches), for on the fly settings
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byte activeNote; // note playing
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byte startNote=36; // set startNote to C (change this value in steps of 12 to start in other octaves)
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int slurBase; // first note in slur sustain chord
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int slurInterval[9] = {-5,0,0,0,0,0,0,0,0};
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byte addedIntervals = 1;
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// Key variables, TRUE (1) for pressed, FALSE (0) for not pressed
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byte K1; // Valve 1 (pitch change -2)
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byte K2; // Valve 2 (pitch change -1)
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byte K3; // Valve 3 (pitch change -3)
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byte K4; // Left Hand index finger (pitch change -5)
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byte K5; // Trill key 1 (pitch change +2)
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byte K6; // Trill key 2 (pitch change +1)
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byte K7; // Trill key 3 (pitch change +4)
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byte octaveR = 0;
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byte lastOctaveR = 0;
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byte halfPitchBendKey;
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byte specialKey;
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byte pinkyKey;
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byte lastSpecialKey = 0;
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byte pitchlatch;
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int reverb;
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byte slurSustain = 0;
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byte parallelChord = 0;
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byte subOctaveDouble = 0;
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const int breathLedBrightness = 500; // up to 4095, PWM
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const int portamLedBrightness = 500; // up to 4095, PWM
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Adafruit_MPR121 touchSensor = Adafruit_MPR121(); // This is the 12-input touch sensor
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FilterOnePole breathFilter;
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//_______________________________________________________________________________________________ SETUP
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void setup() {
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analogReadResolution(12); // set resolution of ADCs to 12 bit
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analogWriteResolution(12);
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analogWriteFrequency(pwmDacPin,11718.75);
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pinMode(dPin, INPUT_PULLUP);
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pinMode(ePin, INPUT_PULLUP);
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pinMode(uPin, INPUT_PULLUP);
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pinMode(mPin, INPUT_PULLUP);
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pinMode(bLedPin, OUTPUT); // breath indicator LED
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pinMode(pLedPin, OUTPUT); // portam indicator LED
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pinMode(statusLedPin,OUTPUT); // Teensy onboard LED
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pinMode(dacPin, OUTPUT); //DAC output for analog signal
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pinMode(pwmDacPin, OUTPUT); //PWMed DAC output for analog signal
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pinMode(biteJumperPin, INPUT_PULLUP); //PBITE
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pinMode(biteJumperGndPin, OUTPUT); //PBITE
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digitalWrite(biteJumperGndPin, LOW); //PBITE
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// if stored settings are not for current version, or Enter+Menu are pressed at startup, they are replaced by factory settings
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uint16_t settingsVersion = readSetting(VERSION_ADDR);
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if (((settingsVersion != VERSION) && (settingsVersion < 24)) || (!digitalRead(ePin) && !digitalRead(mPin)) || (settingsVersion == 0xffffu)) {
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writeSetting(VERSION_ADDR,VERSION);
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writeSetting(BREATH_THR_ADDR,BREATH_THR_FACTORY);
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writeSetting(BREATH_MAX_ADDR,BREATH_MAX_FACTORY);
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if (digitalRead(biteJumperPin)){ //PBITE (if pulled low with jumper, pressure sensor on A7 instead of capacitive bite sensing)
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writeSetting(PORTAM_THR_ADDR,PORTAM_THR_FACTORY);
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writeSetting(PORTAM_MAX_ADDR,PORTAM_MAX_FACTORY);
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} else {
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writeSetting(PORTAM_THR_ADDR,PORTPR_THR_FACTORY);
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writeSetting(PORTAM_MAX_ADDR,PORTPR_MAX_FACTORY);
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}
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writeSetting(PITCHB_THR_ADDR,PITCHB_THR_FACTORY);
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writeSetting(PITCHB_MAX_ADDR,PITCHB_MAX_FACTORY);
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writeSetting(EXTRAC_THR_ADDR,EXTRAC_THR_FACTORY);
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writeSetting(EXTRAC_MAX_ADDR,EXTRAC_MAX_FACTORY);
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writeSetting(CTOUCH_THR_ADDR,CTOUCH_THR_FACTORY);
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}
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if ((settingsVersion != VERSION) || (!digitalRead(ePin) && !digitalRead(mPin))) {
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writeSetting(VERSION_ADDR,VERSION);
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writeSetting(TRANSP_ADDR,TRANSP_FACTORY);
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writeSetting(MIDI_ADDR,MIDI_FACTORY);
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writeSetting(BREATH_CC_ADDR,BREATH_CC_FACTORY);
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writeSetting(BREATH_AT_ADDR,BREATH_AT_FACTORY);
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writeSetting(VELOCITY_ADDR,VELOCITY_FACTORY);
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writeSetting(PORTAM_ADDR,PORTAM_FACTORY);
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writeSetting(PB_ADDR,PB_FACTORY);
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writeSetting(EXTRA_ADDR,EXTRA_FACTORY);
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writeSetting(VIBRATO_ADDR,VIBRATO_FACTORY);
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writeSetting(DEGLITCH_ADDR,DEGLITCH_FACTORY);
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writeSetting(PATCH_ADDR,PATCH_FACTORY);
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writeSetting(OCTAVE_ADDR,OCTAVE_FACTORY);
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writeSetting(BREATHCURVE_ADDR,BREATHCURVE_FACTORY);
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writeSetting(VEL_SMP_DL_ADDR,VEL_SMP_DL_FACTORY);
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writeSetting(VEL_BIAS_ADDR,VEL_BIAS_FACTORY);
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writeSetting(PINKY_KEY_ADDR,PINKY_KEY_FACTORY);
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writeSetting(FP1_ADDR,0);
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writeSetting(FP2_ADDR,0);
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writeSetting(FP3_ADDR,0);
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writeSetting(FP4_ADDR,0);
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writeSetting(FP5_ADDR,0);
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writeSetting(FP6_ADDR,0);
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writeSetting(FP7_ADDR,0);
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writeSetting(DIPSW_BITS_ADDR,DIPSW_BITS_FACTORY);
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writeSetting(PARAL_ADDR,PARAL_FACTORY);
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writeSetting(ROTN1_ADDR,ROTN1_FACTORY);
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writeSetting(ROTN2_ADDR,ROTN2_FACTORY);
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writeSetting(ROTN3_ADDR,ROTN3_FACTORY);
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writeSetting(ROTN4_ADDR,ROTN4_FACTORY);
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writeSetting(PRIO_ADDR,PRIO_FACTORY);
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writeSetting(VIB_SENS_ADDR,VIB_SENS_FACTORY);
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writeSetting(VIB_RETN_ADDR,VIB_RETN_FACTORY);
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writeSetting(VIB_SQUELCH_ADDR,VIB_SQUELCH_FACTORY);
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writeSetting(VIB_DIRECTION_ADDR,VIB_DIRECTION_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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breathMaxVal = readSetting(BREATH_MAX_ADDR);
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portamThrVal = readSetting(PORTAM_THR_ADDR);
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portamMaxVal = readSetting(PORTAM_MAX_ADDR);
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pitchbThrVal = readSetting(PITCHB_THR_ADDR);
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pitchbMaxVal = readSetting(PITCHB_MAX_ADDR);
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transpose = readSetting(TRANSP_ADDR);
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MIDIchannel = readSetting(MIDI_ADDR);
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breathCC = readSetting(BREATH_CC_ADDR);
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breathAT = readSetting(BREATH_AT_ADDR);
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velocity = readSetting(VELOCITY_ADDR);
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portamento = readSetting(PORTAM_ADDR);
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PBdepth = readSetting(PB_ADDR);
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extraCT = readSetting(EXTRA_ADDR);
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vibrato = readSetting(VIBRATO_ADDR);
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deglitch = readSetting(DEGLITCH_ADDR);
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extracThrVal = readSetting(EXTRAC_THR_ADDR);
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extracMaxVal = readSetting(EXTRAC_MAX_ADDR);
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patch = readSetting(PATCH_ADDR);
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octave = readSetting(OCTAVE_ADDR);
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ctouchThrVal = readSetting(CTOUCH_THR_ADDR);
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curve = readSetting(BREATHCURVE_ADDR);
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velSmpDl = readSetting(VEL_SMP_DL_ADDR);
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velBias = readSetting(VEL_BIAS_ADDR);
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pinkySetting = readSetting(PINKY_KEY_ADDR);
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fastPatch[0] = readSetting(FP1_ADDR);
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fastPatch[1] = readSetting(FP2_ADDR);
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fastPatch[2] = readSetting(FP3_ADDR);
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fastPatch[3] = readSetting(FP4_ADDR);
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fastPatch[4] = readSetting(FP5_ADDR);
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fastPatch[5] = readSetting(FP6_ADDR);
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fastPatch[6] = readSetting(FP7_ADDR);
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dipSwBits = readSetting(DIPSW_BITS_ADDR);
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parallel = readSetting(PARAL_ADDR);
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rotations[0] = readSetting(ROTN1_ADDR);
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rotations[1] = readSetting(ROTN2_ADDR);
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rotations[2] = readSetting(ROTN3_ADDR);
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rotations[3] = readSetting(ROTN4_ADDR);
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priority = readSetting(PRIO_ADDR);
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vibSens = readSetting(VIB_SENS_ADDR);
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vibRetn = readSetting(VIB_RETN_ADDR);
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vibSquelch = readSetting(VIB_SQUELCH_ADDR);
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vibDirection = readSetting(VIB_DIRECTION_ADDR);
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legacy = dipSwBits & (1<<1);
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legacyBrAct = dipSwBits & (1<<2);
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slowMidi = dipSwBits & (1<<3);
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activePatch = patch;
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touch_Thr = map(ctouchThrVal,ctouchHiLimit,ctouchLoLimit,ttouchLoLimit,ttouchHiLimit);
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if (!touchSensor.begin(0x5A)) {
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while (1); // Touch sensor initialization failed - stop doing stuff
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}
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breathFilter.setFilter(LOWPASS, filterFreq, 0.0); // create a one pole (RC) lowpass filter
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initDisplay(); //Start up display and show logo
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biteJumper = !digitalRead(biteJumperPin);
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if (biteJumper){
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pinMode(bitePin, INPUT);
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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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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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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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vibThr = vibZero - vibSquelch;
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vibThrLo = vibZero + vibSquelch;
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digitalWrite(statusLedPin, LOW);
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delay(250);
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digitalWrite(statusLedPin,HIGH);
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delay(250);
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digitalWrite(statusLedPin,LOW);
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showVersion();
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delay(1500);
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mainState = NOTE_OFF; // initialize main state machine
|
|
|
|
if (!digitalRead(ePin)) {
|
|
activePatch=0;
|
|
doPatchUpdate=1;
|
|
}
|
|
|
|
activeMIDIchannel = MIDIchannel;
|
|
midiInitialize(MIDIchannel);
|
|
|
|
//Serial.begin(9600); // debug
|
|
|
|
digitalWrite(statusLedPin,HIGH); // Switch on the onboard LED to indicate power on/ready
|
|
|
|
}
|
|
|
|
//_______________________________________________________________________________________________ MAIN LOOP
|
|
|
|
void loop() {
|
|
breathFilter.input(analogRead(breathSensorPin));
|
|
pressureSensor = constrain((int) breathFilter.output(), 0, 4095); // Get the filtered 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
|
|
midiSetChannel(activeMIDIchannel);
|
|
}
|
|
if ((activePatch != patch) && doPatchUpdate) {
|
|
activePatch = patch;
|
|
midiSendProgramChange(activePatch);
|
|
slurSustain = 0;
|
|
parallelChord = 0;
|
|
subOctaveDouble = 0;
|
|
doPatchUpdate = 0;
|
|
}
|
|
if ((pressureSensor > breathThrVal) || gateOpen) {
|
|
// Value has risen above threshold. Move to the RISE_WAIT
|
|
// state. Record time and initial breath value.
|
|
breath_on_time = millis();
|
|
initial_breath_value = pressureSensor;
|
|
mainState = RISE_WAIT; // Go to next state
|
|
}
|
|
if (legacy || legacyBrAct) {
|
|
#if defined(CASSIDY)
|
|
if (((pbUp > ((pitchbMaxVal + pitchbThrVal) / 2)) && (pbDn > ((pitchbMaxVal + pitchbThrVal) / 2)) && legacy) ||
|
|
((analogRead(0) < breathCalZero - 900) && legacyBrAct)) { // both pb pads touched or br suck
|
|
#else
|
|
if (((pbUp > ((pitchbMaxVal + pitchbThrVal) / 2)) && (pbDn > ((pitchbMaxVal + pitchbThrVal) / 2)) && legacy) ||
|
|
((analogRead(0) < breathCalZero - 800) && legacyBrAct && (pbUp > (pitchbMaxVal + pitchbThrVal) / 2) && (pbDn < (pitchbMaxVal + pitchbThrVal) / 2))) { // both pb pads touched or br suck
|
|
#endif
|
|
readSwitches();
|
|
fingeredNoteUntransposed = patchLimit(fingeredNoteUntransposed + 1);
|
|
if (exSensor >= ((extracThrVal + extracMaxVal) / 2)) { // instant midi setting
|
|
if ((fingeredNoteUntransposed >= 73) && (fingeredNoteUntransposed <= 88)) {
|
|
MIDIchannel = fingeredNoteUntransposed - 72; // Mid C and up
|
|
#if !defined(CASSIDY)
|
|
digitalWrite(statusLedPin, LOW);
|
|
delay(150);
|
|
digitalWrite(statusLedPin, HIGH);
|
|
#endif
|
|
}
|
|
} else {
|
|
if (!pinkyKey) { // note number to patch number
|
|
if (patch != fingeredNoteUntransposed) {
|
|
patch = fingeredNoteUntransposed;
|
|
doPatchUpdate = 1;
|
|
#if !defined(CASSIDY)
|
|
digitalWrite(statusLedPin, LOW);
|
|
delay(150);
|
|
digitalWrite(statusLedPin, HIGH);
|
|
#endif
|
|
}
|
|
} else { // hi and lo patch numbers
|
|
if (fingeredNoteUntransposed > 75) {
|
|
if (patch != patchLimit(fingeredNoteUntransposed + 24)) {
|
|
patch = patchLimit(fingeredNoteUntransposed + 24); // add 24 to get high numbers 108 to 127
|
|
doPatchUpdate = 1;
|
|
#if !defined(CASSIDY)
|
|
digitalWrite(statusLedPin, LOW);
|
|
delay(150);
|
|
digitalWrite(statusLedPin, HIGH);
|
|
#endif
|
|
}
|
|
} else {
|
|
if (patch != patchLimit(fingeredNoteUntransposed - 36)) {
|
|
patch = patchLimit(fingeredNoteUntransposed - 36); // subtract 36 to get low numbers 0 to 36
|
|
doPatchUpdate = 1;
|
|
#if !defined(CASSIDY)
|
|
digitalWrite(statusLedPin, LOW);
|
|
delay(150);
|
|
digitalWrite(statusLedPin, HIGH);
|
|
#endif
|
|
}
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
if (pbDn > (pitchbMaxVal + pitchbThrVal) / 2 && (analogRead(0) < (breathCalZero - 800)) && programonce == false) { // down bend for suck programming button
|
|
programonce = true;
|
|
readSwitches();
|
|
|
|
if (octaveR == 0) { //lowest octave position
|
|
|
|
if (K1 && K2 && !K3 && K4) { // e28 send patch change -10
|
|
patch = patch - 10;
|
|
doPatchUpdate = 1;
|
|
} else if (K1 && !K2 && !K3 && K4) { //f29 decrement and send patch change
|
|
patch--;
|
|
doPatchUpdate = 1;
|
|
} else if (!K1 && K2 && !K3 && K4) { //f#30 send patch change +10
|
|
patch = patch + 10;
|
|
doPatchUpdate = 1;
|
|
} else if (!K1 && !K2 && !K3 && K4) { //g31 increment and send patch change
|
|
patch++;
|
|
doPatchUpdate = 1;
|
|
}
|
|
|
|
if (!K1 && !K2 && K3 && !K4) { //send reverb pitchlatch value
|
|
reverb = ((pitchlatch - 36) * 2);
|
|
reverb = constrain(reverb, 0, 127);
|
|
|
|
midiSendControlChange(91, reverb);
|
|
}
|
|
}
|
|
|
|
if (octaveR == 3) { //middle octave position to set breath parameters
|
|
// breathCC value is from cclist[] which assigns controller number
|
|
if (K1) { //turn on midi volume
|
|
breathCC = 3;
|
|
midiSendControlChange(7, 0); //midi vol to 0
|
|
midiSendControlChange(11, 127); //midi expression to 127
|
|
}
|
|
if (K3) { //turn on midi breath controller
|
|
breathCC = 2;
|
|
midiSendControlChange(7, 127); //midi vol to 127
|
|
midiSendControlChange(11, 127); //midi expression to 127
|
|
}
|
|
if (K4) { //sb turn on midi expression
|
|
breathCC = 4;
|
|
midiSendControlChange(7, 127); //midi vol to 127
|
|
midiSendControlChange(11, 0); //midi expression to 0
|
|
}
|
|
if (K2) { //2v turn on aftertouch
|
|
breathAT = 1;
|
|
midiSendControlChange(7, 127); //midi vol to 127
|
|
midiSendControlChange(11, 127); //midi expression to 0
|
|
} else {
|
|
breathAT = 0;
|
|
}
|
|
if (K5) { //1tr turn on velocity
|
|
velocity = 0;
|
|
midiSendControlChange(7, 127); //midi vol to 127
|
|
midiSendControlChange(11, 127); //midi expression to 0
|
|
} else {
|
|
velocity = 127;
|
|
}
|
|
if (!K1 && !K3 && !K4) {
|
|
breathCC = 0;
|
|
midiSendControlChange(7, 127); //midi vol to 127
|
|
midiSendControlChange(11, 127); //midi expression to 127
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (analogRead(0) > (breathCalZero - 800)) programonce = false;
|
|
|
|
specialKey = (touchRead(specialKeyPin) > touch_Thr); //S2 on pcb
|
|
if (lastSpecialKey != specialKey) {
|
|
if (specialKey) {
|
|
// special key just pressed, check other keys
|
|
readSwitches();
|
|
if (K4) {
|
|
if (!slurSustain) {
|
|
slurSustain = 1;
|
|
parallelChord = 0;
|
|
rotatorOn = 0;
|
|
} else slurSustain = 0;
|
|
}
|
|
if (K5) {
|
|
if (!parallelChord) {
|
|
parallelChord = 1;
|
|
slurSustain = 0;
|
|
rotatorOn = 0;
|
|
} else parallelChord = 0;
|
|
}
|
|
if (K1) {
|
|
if (!subOctaveDouble) {
|
|
subOctaveDouble = 1;
|
|
rotatorOn = 0;
|
|
} else subOctaveDouble = 0;
|
|
}
|
|
if (!K1 && !K4 && !K5) {
|
|
slurSustain = 0;
|
|
parallelChord = 0;
|
|
subOctaveDouble = 0;
|
|
rotatorOn = 0;
|
|
}
|
|
if (pinkyKey) {
|
|
if (!rotatorOn) {
|
|
rotatorOn = 1;
|
|
slurSustain = 0;
|
|
parallelChord = 0;
|
|
subOctaveDouble = 0;
|
|
} else rotatorOn = 0;
|
|
}
|
|
}
|
|
}
|
|
lastSpecialKey = specialKey;
|
|
} else if (mainState == RISE_WAIT) {
|
|
if ((pressureSensor > breathThrVal) || gateOpen) {
|
|
// Has enough time passed for us to collect our second
|
|
// sample?
|
|
if ((millis() - breath_on_time > velSmpDl) || (0 == velSmpDl)) {
|
|
// Yes, so calculate MIDI note and velocity, then send a note on event
|
|
readSwitches();
|
|
// We should be at tonguing peak, so set velocity based on current pressureSensor value unless fixed velocity is set
|
|
breathLevel = constrain(max(pressureSensor, initial_breath_value), breathThrVal, breathMaxVal);
|
|
if (!velocity) {
|
|
unsigned int breathValHires = breathCurve(map(constrain(breathLevel, breathThrVal, breathMaxVal), breathThrVal, breathMaxVal, 0, 16383));
|
|
velocitySend = (breathValHires >> 7) & 0x007F;
|
|
velocitySend = constrain(velocitySend + velocitySend * .1 * velBias, 1, 127);
|
|
//velocitySend = map(constrain(max(pressureSensor,initial_breath_value),breathThrVal,breathMaxVal),breathThrVal,breathMaxVal,1,127);
|
|
} else velocitySend = velocity;
|
|
breath(); // send breath data
|
|
fingeredNote = noteValueCheck(fingeredNote);
|
|
if (priority) { // mono prio to last chord note
|
|
midiSendNoteOn(fingeredNote, velocitySend); // send Note On message for new note
|
|
}
|
|
if (parallelChord) {
|
|
for (int i = 0; i < addedIntervals; i++) {
|
|
midiSendNoteOn(noteValueCheck(fingeredNote + slurInterval[i]), velocitySend); // send Note On message for new note
|
|
}
|
|
}
|
|
if (slurSustain) {
|
|
midiSendControlChange(64, 127);
|
|
slurBase = fingeredNote;
|
|
addedIntervals = 0;
|
|
}
|
|
if (subOctaveDouble) {
|
|
midiSendNoteOn(noteValueCheck(fingeredNote - 12), velocitySend);
|
|
if (parallelChord) {
|
|
for (int i = 0; i < addedIntervals; i++) {
|
|
midiSendNoteOn(noteValueCheck(fingeredNote + slurInterval[i] - 12), velocitySend); // send Note On message for new note
|
|
}
|
|
}
|
|
}
|
|
if (rotatorOn) {
|
|
midiSendNoteOn(noteValueCheck(fingeredNote + parallel-24), velocitySend); // send Note On message for new note
|
|
if (currentRotation < 3) currentRotation++;
|
|
else currentRotation = 0;
|
|
midiSendNoteOn(noteValueCheck(fingeredNote + rotations[currentRotation]-24), velocitySend); // send Note On message for new note
|
|
}
|
|
if (!priority) { // mono prio to base note
|
|
midiSendNoteOn(fingeredNote, velocitySend); // send Note On message for new note
|
|
}
|
|
activeNote = fingeredNote;
|
|
mainState = NOTE_ON;
|
|
}
|
|
} else {
|
|
// Value fell below threshold before velocity sample delay time passed. Return to
|
|
// NOTE_OFF state (e.g. we're ignoring a short blip of breath)
|
|
mainState = NOTE_OFF;
|
|
}
|
|
} else if (mainState == NOTE_ON) {
|
|
if ((pressureSensor < breathThrVal) && !gateOpen) {
|
|
// Value has fallen below threshold - turn the note off
|
|
activeNote = noteValueCheck(activeNote);
|
|
if (priority) {
|
|
midiSendNoteOff(activeNote); // send Note Off message
|
|
}
|
|
if (parallelChord) {
|
|
for (int i = 0; i < addedIntervals; i++) {
|
|
midiSendNoteOff(noteValueCheck(activeNote + slurInterval[i])); // send Note On message for new note
|
|
}
|
|
}
|
|
if (subOctaveDouble) {
|
|
midiSendNoteOff(noteValueCheck(activeNote - 12));
|
|
if (parallelChord) {
|
|
for (int i = 0; i < addedIntervals; i++) {
|
|
midiSendNoteOff(noteValueCheck(activeNote + slurInterval[i] - 12)); // send Note On message for new note
|
|
}
|
|
}
|
|
}
|
|
if (rotatorOn) {
|
|
midiSendNoteOff(noteValueCheck(activeNote + parallel-24 )); // send Note Off message for old note
|
|
midiSendNoteOff(noteValueCheck(activeNote + rotations[currentRotation]-24)); // send Note Off message for old note
|
|
}
|
|
if (!priority) {
|
|
midiSendNoteOff(activeNote); // send Note Off message
|
|
}
|
|
if (slurSustain) {
|
|
midiSendControlChange(64, 0);
|
|
}
|
|
breathLevel = 0;
|
|
mainState = NOTE_OFF;
|
|
} else {
|
|
readSwitches();
|
|
if (fingeredNote != lastFingering) { //
|
|
// reset the debouncing timer
|
|
lastDeglitchTime = millis();
|
|
}
|
|
if ((millis() - lastDeglitchTime) > deglitch) {
|
|
// whatever the reading is at, it's been there for longer
|
|
// than the debounce delay, so take it as the actual current state
|
|
if (noteValueCheck(fingeredNote) != activeNote) {
|
|
// Player has moved to a new fingering while still blowing.
|
|
// Send a note off for the current note and a note on for
|
|
// the new note.
|
|
if (!velocity) {
|
|
unsigned int breathValHires = breathCurve(map(constrain(breathLevel, breathThrVal, breathMaxVal), breathThrVal, breathMaxVal, 0, 16383));
|
|
velocitySend = (breathValHires >> 7) & 0x007F;
|
|
velocitySend = constrain(velocitySend + velocitySend * .1 * velBias, 1, 127);
|
|
//velocitySend = map(constrain(pressureSensor,breathThrVal,breathMaxVal),breathThrVal,breathMaxVal,7,127); // set new velocity value based on current pressure sensor level
|
|
}
|
|
activeNote = noteValueCheck(activeNote);
|
|
if ((parallelChord || subOctaveDouble || rotatorOn) && priority) { // poly playing, send old note off before new note on
|
|
midiSendNoteOff(activeNote); // send Note Off message for old note
|
|
}
|
|
|
|
if (parallelChord) {
|
|
for (int i = 0; i < addedIntervals; i++) {
|
|
midiSendNoteOff(noteValueCheck(activeNote + slurInterval[i])); // send Note Off message for old note
|
|
}
|
|
}
|
|
if (subOctaveDouble) {
|
|
midiSendNoteOff(noteValueCheck(activeNote - 12)); // send Note Off message for old note
|
|
if (parallelChord) {
|
|
for (int i = 0; i < addedIntervals; i++) {
|
|
midiSendNoteOff(noteValueCheck(activeNote + slurInterval[i] - 12)); // send Note Off message for old note
|
|
}
|
|
}
|
|
}
|
|
if (rotatorOn) {
|
|
midiSendNoteOff(noteValueCheck(activeNote + parallel-24)); // send Note Off message for old note
|
|
midiSendNoteOff(noteValueCheck(activeNote + rotations[currentRotation]-24)); // send Note Off message for old note
|
|
}
|
|
if ((parallelChord || subOctaveDouble || rotatorOn) && !priority) { // poly playing, send old note off before new note on
|
|
midiSendNoteOff(activeNote); // send Note Off message for old note
|
|
}
|
|
|
|
fingeredNote = noteValueCheck(fingeredNote);
|
|
if (priority) {
|
|
midiSendNoteOn(fingeredNote, velocitySend); // send Note On message for new note
|
|
}
|
|
if (parallelChord) {
|
|
for (int i = 0; i < addedIntervals; i++) {
|
|
midiSendNoteOn(noteValueCheck(fingeredNote + slurInterval[i]), velocitySend); // send Note On message for new note
|
|
}
|
|
}
|
|
if (subOctaveDouble) {
|
|
midiSendNoteOn(noteValueCheck(fingeredNote - 12), velocitySend); // send Note On message for new note
|
|
if (parallelChord) {
|
|
for (int i = 0; i < addedIntervals; i++) {
|
|
midiSendNoteOn(noteValueCheck(fingeredNote + slurInterval[i] - 12), velocitySend); // send Note On message for new note
|
|
}
|
|
}
|
|
}
|
|
if (rotatorOn) {
|
|
midiSendNoteOn(noteValueCheck(fingeredNote + parallel-24), velocitySend); // send Note On message for new note
|
|
if (currentRotation < 3) currentRotation++;
|
|
else currentRotation = 0;
|
|
midiSendNoteOn(noteValueCheck(fingeredNote + rotations[currentRotation]-24), velocitySend); // send Note On message for new note
|
|
}
|
|
|
|
if (!priority) {
|
|
midiSendNoteOn(fingeredNote, velocitySend); // send Note On message for new note
|
|
}
|
|
|
|
if (!parallelChord && !subOctaveDouble && !rotatorOn) { // mono playing, send old note off after new note on
|
|
midiSendNoteOff(activeNote); // send Note Off message
|
|
}
|
|
|
|
if (slurSustain) {
|
|
if (addedIntervals < 9) {
|
|
addedIntervals++;
|
|
slurInterval[addedIntervals - 1] = fingeredNote - slurBase;
|
|
}
|
|
}
|
|
activeNote = fingeredNote;
|
|
}
|
|
}
|
|
}
|
|
if (pressureSensor > breathThrVal) cursorBlinkTime = millis(); // keep display from updating with cursor blinking if breath is over thr
|
|
}
|
|
// Is it time to send more CC data?
|
|
if (millis() - ccSendTime > CC_INTERVAL) {
|
|
// deal with Breath, Pitch Bend, Modulation, etc.
|
|
if (!slowMidi) breath();
|
|
halfTime = !halfTime;
|
|
if (halfTime) {
|
|
pitch_bend();
|
|
portamento_();
|
|
} else {
|
|
if (slowMidi) breath();
|
|
extraController();
|
|
statusLEDs();
|
|
doorKnobCheck();
|
|
}
|
|
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(); // live sensor monitoring for the setup screens
|
|
if (rotatorOn || slurSustain || parallelChord || subOctaveDouble || gateOpen) {
|
|
digitalWrite(statusLedPin, !digitalRead(statusLedPin));
|
|
} else if (!digitalRead(statusLedPin)) {
|
|
digitalWrite(statusLedPin, HIGH);
|
|
}
|
|
pixelUpdateTime = millis();
|
|
}
|
|
lastFingering = fingeredNote;
|
|
#if defined(CVSCALEBOARD) // pitch CV from DAC and breath CV from PWM on pin 6, for filtering and scaling on separate board
|
|
targetPitch = (fingeredNote-24)*42;
|
|
if (portIsOn){
|
|
if (targetPitch > cvPitch){
|
|
cvPitch += 1+(127-oldport)/4;
|
|
if (cvPitch > targetPitch) cvPitch = targetPitch;
|
|
} else if (targetPitch < cvPitch){
|
|
cvPitch -= 1+(127-oldport)/4;
|
|
if (cvPitch < targetPitch) cvPitch = targetPitch;
|
|
} else {
|
|
cvPitch = targetPitch;
|
|
}
|
|
} else {
|
|
cvPitch = targetPitch;
|
|
}
|
|
analogWrite(dacPin,constrain(cvPitch+map(pitchBend,0,16383,-84,84),0,4095));
|
|
analogWrite(pwmDacPin,breathCurve(map(constrain(pressureSensor,breathThrVal,breathMaxVal),breathThrVal,breathMaxVal,500,4095))); //starting at 0.6V to match use of cv from sensor, so recalibration of cv offset/scaler is not needed
|
|
#else // else breath CV on DAC pin, directly to unused pin of MIDI DIN jack
|
|
analogWrite(dacPin,breathCurve(map(constrain(pressureSensor,breathThrVal,breathMaxVal),breathThrVal,breathMaxVal,0,4095)));
|
|
#endif
|
|
|
|
midiDiscardInput();
|
|
|
|
//do menu stuff
|
|
menu();
|
|
}
|
|
|
|
//_______________________________________________________________________________________________ FUNCTIONS
|
|
|
|
// non linear mapping function (http://playground.arduino.cc/Main/MultiMap)
|
|
// note: the _in array should have increasing values
|
|
unsigned int multiMap(unsigned short val, const unsigned short * _in, const unsigned short * _out, uint8_t size) {
|
|
// take care the value is within range
|
|
// val = constrain(val, _in[0], _in[size-1]);
|
|
if (val <= _in[0]) return _out[0];
|
|
if (val >= _in[size - 1]) return _out[size - 1];
|
|
|
|
// search right interval
|
|
uint8_t pos = 1; // _in[0] allready tested
|
|
while (val > _in[pos]) pos++;
|
|
|
|
// this will handle all exact "points" in the _in array
|
|
if (val == _in[pos]) return _out[pos];
|
|
|
|
// interpolate in the right segment for the rest
|
|
return (val - _in[pos - 1]) * (_out[pos] - _out[pos - 1]) / (_in[pos] - _in[pos - 1]) + _out[pos - 1];
|
|
}
|
|
|
|
//**************************************************************
|
|
|
|
// map breath values to selected curve
|
|
unsigned int breathCurve(unsigned int inputVal) {
|
|
// 0 to 16383, moving mid value up or down
|
|
switch (curve) {
|
|
case 0:
|
|
// -4
|
|
return multiMap(inputVal, curveIn, curveM4, 17);
|
|
break;
|
|
case 1:
|
|
// -3
|
|
return multiMap(inputVal, curveIn, curveM3, 17);
|
|
break;
|
|
case 2:
|
|
// -2
|
|
return multiMap(inputVal, curveIn, curveM2, 17);
|
|
break;
|
|
case 3:
|
|
// -1
|
|
return multiMap(inputVal, curveIn, curveM1, 17);
|
|
break;
|
|
case 4:
|
|
// 0, linear
|
|
return inputVal;
|
|
break;
|
|
case 5:
|
|
// +1
|
|
return multiMap(inputVal, curveIn, curveP1, 17);
|
|
break;
|
|
case 6:
|
|
// +2
|
|
return multiMap(inputVal, curveIn, curveP2, 17);
|
|
break;
|
|
case 7:
|
|
// +3
|
|
return multiMap(inputVal, curveIn, curveP3, 17);
|
|
break;
|
|
case 8:
|
|
// +4
|
|
return multiMap(inputVal, curveIn, curveP4, 17);
|
|
break;
|
|
case 9:
|
|
// S1
|
|
return multiMap(inputVal, curveIn, curveS1, 17);
|
|
break;
|
|
case 10:
|
|
// S2
|
|
return multiMap(inputVal, curveIn, curveS2, 17);
|
|
break;
|
|
case 11:
|
|
// Z1
|
|
return multiMap(inputVal, curveIn, curveZ1, 17);
|
|
break;
|
|
case 12:
|
|
// Z2
|
|
return multiMap(inputVal, curveIn, curveZ2, 17);
|
|
break;
|
|
default: //Fallback option that should never be reached, use linear
|
|
return inputVal;
|
|
break;
|
|
}
|
|
}
|
|
|
|
//**************************************************************
|
|
/*
|
|
int smooth(int data, float filterVal, float smoothedVal){
|
|
|
|
|
|
if (filterVal > 1){ // check to make sure param's are within range
|
|
filterVal = .99;
|
|
}
|
|
else if (filterVal <= 0){
|
|
filterVal = 0;
|
|
}
|
|
|
|
smoothedVal = (data * (1 - filterVal)) + (smoothedVal * filterVal);
|
|
|
|
return (int)smoothedVal;
|
|
}
|
|
|
|
*/
|
|
//**************************************************************
|
|
|
|
// MIDI note value check with out of range octave repeat
|
|
int noteValueCheck(int note) {
|
|
if (note > 127) {
|
|
note = 115 + (note - 127) % 12;
|
|
} else if (note < 0) {
|
|
note = 12 - abs(note) % 12;
|
|
}
|
|
return note;
|
|
}
|
|
|
|
//**************************************************************
|
|
|
|
int patchLimit(int value) {
|
|
return constrain(value, 1, 128);
|
|
}
|
|
|
|
//**************************************************************
|
|
|
|
void statusLEDs() {
|
|
if (breathLevel > breathThrVal) { // breath indicator LED, labeled "B" on PCB
|
|
//analogWrite(bLedPin, map(breathLevel,0,4096,5,breathLedBrightness));
|
|
analogWrite(bLedPin, map(constrain(breathLevel, breathThrVal, breathMaxVal), breathThrVal, breathMaxVal, 5, breathLedBrightness));
|
|
} else {
|
|
analogWrite(bLedPin, 0);
|
|
}
|
|
if (biteSensor > portamThrVal) { // portamento indicator LED, labeled "P" on PCB
|
|
//analogWrite(pLedPin, map(biteSensor,0,4096,5,portamLedBrightness));
|
|
analogWrite(pLedPin, map(constrain(biteSensor, portamThrVal, portamMaxVal), portamThrVal, portamMaxVal, 5, portamLedBrightness));
|
|
} else {
|
|
analogWrite(pLedPin, 0);
|
|
}
|
|
}
|
|
|
|
//**************************************************************
|
|
|
|
void breath() {
|
|
int breathCCval, breathCCvalFine;
|
|
unsigned int breathCCvalHires;
|
|
breathLevel = constrain(pressureSensor, breathThrVal, breathMaxVal);
|
|
//breathLevel = breathLevel*0.6+pressureSensor*0.4; // smoothing of breathLevel value
|
|
////////breathCCval = map(constrain(breathLevel,breathThrVal,breathMaxVal),breathThrVal,breathMaxVal,0,127);
|
|
breathCCvalHires = breathCurve(map(constrain(breathLevel, breathThrVal, breathMaxVal), breathThrVal, breathMaxVal, 0, 16383));
|
|
breathCCval = (breathCCvalHires >> 7) & 0x007F;
|
|
breathCCvalFine = breathCCvalHires & 0x007F;
|
|
|
|
if (breathCCval != oldbreath) { // only send midi data if breath has changed from previous value
|
|
if (breathCC) {
|
|
// send midi cc
|
|
midiSendControlChange(ccList[breathCC], breathCCval);
|
|
}
|
|
if (breathAT) {
|
|
// send aftertouch
|
|
midiSendAfterTouch(breathCCval);
|
|
}
|
|
oldbreath = breathCCval;
|
|
}
|
|
|
|
if (breathCCvalHires != oldbreathhires) {
|
|
if ((breathCC > 4) && (breathCC < 9)) { // send high resolution midi
|
|
midiSendControlChange(ccList[breathCC] + 32, breathCCvalFine);
|
|
}
|
|
oldbreathhires = breathCCvalHires;
|
|
}
|
|
}
|
|
|
|
//**************************************************************
|
|
|
|
void pitch_bend() {
|
|
// handle input from pitchbend touchpads and
|
|
// on-pcb variable capacitor for vibrato.
|
|
int vibMax;
|
|
int calculatedPBdepth;
|
|
byte pbTouched = 0;
|
|
pbUp = touchRead(pbUpPin); // SENSOR PIN 23 - PCB PIN "Pu"
|
|
pbDn = touchRead(pbDnPin); // SENSOR PIN 22 - PCB PIN "Pd"
|
|
halfPitchBendKey = (pinkySetting == PBD) && (touchRead(halfPitchBendKeyPin) > touch_Thr); // SENSOR PIN 1 - PCB PIN "S1" - hold for 1/2 pitchbend value
|
|
int vibRead = touchRead(vibratoPin); // SENSOR PIN 15 - built in var cap
|
|
calculatedPBdepth = pbDepthList[PBdepth];
|
|
if (halfPitchBendKey) calculatedPBdepth = calculatedPBdepth * 0.5;
|
|
|
|
vibMax = vibMaxList[vibSens - 1];
|
|
|
|
if (vibRead < vibThr) {
|
|
if (UPWD == vibDirection) {
|
|
vibSignal = vibSignal * 0.5 + 0.5 * map(constrain(vibRead, (vibZero - vibMax), vibThr), vibThr, (vibZero - vibMax), 0, calculatedPBdepth * vibDepth[vibrato]);
|
|
} else {
|
|
vibSignal = vibSignal * 0.5 + 0.5 * map(constrain(vibRead, (vibZero - vibMax), vibThr), vibThr, (vibZero - vibMax), 0, (0 - calculatedPBdepth * vibDepth[vibrato]));
|
|
}
|
|
} else if (vibRead > vibThrLo) {
|
|
if (UPWD == vibDirection) {
|
|
vibSignal = vibSignal * 0.5 + 0.5 * map(constrain(vibRead, vibThrLo, (vibZero + vibMax)), vibThrLo, (vibZero + vibMax), 0, (0 - calculatedPBdepth * vibDepth[vibrato]));
|
|
} else {
|
|
vibSignal = vibSignal * 0.5 + 0.5 * map(constrain(vibRead, vibThrLo, (vibZero + vibMax)), vibThrLo, (vibZero + vibMax), 0, calculatedPBdepth * vibDepth[vibrato]);
|
|
}
|
|
} else {
|
|
vibSignal = vibSignal * 0.5;
|
|
}
|
|
|
|
switch (vibRetn) { // moving baseline
|
|
case 0:
|
|
//keep vibZero value
|
|
break;
|
|
case 1:
|
|
vibZero = vibZero * 0.95 + vibRead * 0.05;
|
|
break;
|
|
case 2:
|
|
vibZero = vibZero * 0.9 + vibRead * 0.1;
|
|
break;
|
|
case 3:
|
|
vibZero = vibZero * 0.8 + vibRead * 0.2;
|
|
break;
|
|
case 4:
|
|
vibZero = vibZero * 0.6 + vibRead * 0.4;
|
|
}
|
|
vibThr = vibZero - vibSquelch;
|
|
vibThrLo = vibZero + vibSquelch;
|
|
int pbPos = map(constrain(pbUp, pitchbThrVal, pitchbMaxVal), pitchbThrVal, pitchbMaxVal, 0, calculatedPBdepth);
|
|
int pbNeg = map(constrain(pbDn, pitchbThrVal, pitchbMaxVal), pitchbThrVal, pitchbMaxVal, 0, calculatedPBdepth);
|
|
int pbSum = 8193 + pbPos - pbNeg;
|
|
int pbDif = abs(pbPos - pbNeg);
|
|
/*
|
|
if ((pbUp > pitchbThrVal) && PBdepth){
|
|
pitchBend=pitchBend*0.6+0.4*map(constrain(pbUp,pitchbThrVal,pitchbMaxVal),pitchbThrVal,pitchbMaxVal,8192,(8193 + calculatedPBdepth));
|
|
pbTouched++;
|
|
}
|
|
if ((pbDn > pitchbThrVal) && PBdepth){
|
|
pitchBend=pitchBend*0.6+0.4*map(constrain(pbDn,pitchbThrVal,pitchbMaxVal),pitchbThrVal,pitchbMaxVal,8192,(8192 - calculatedPBdepth));
|
|
pbTouched++;
|
|
}
|
|
*/
|
|
if (((pbUp > pitchbThrVal) && PBdepth) || ((pbDn > pitchbThrVal) && PBdepth)) {
|
|
if (pbDif < 10) {
|
|
pitchBend = 8192;
|
|
} else {
|
|
pitchBend = pitchBend * 0.6 + 0.4 * pbSum;
|
|
}
|
|
pbTouched = 1;
|
|
}
|
|
if (!pbTouched) {
|
|
pitchBend = pitchBend * 0.6 + 8192 * 0.4; // released, so smooth your way back to zero
|
|
if ((pitchBend > 8187) && (pitchBend < 8197)) pitchBend = 8192; // 8192 is 0 pitch bend, don't miss it bc of smoothing
|
|
}
|
|
|
|
pitchBend = pitchBend + vibSignal;
|
|
|
|
pitchBend = constrain(pitchBend, 0, 16383);
|
|
|
|
if (subVibSquelch && (8192 != pitchBend)) {
|
|
digitalWrite(statusLedPin, LOW);
|
|
vibLedOff = 1;
|
|
} else if (vibLedOff) {
|
|
digitalWrite(statusLedPin, HIGH);
|
|
vibLedOff = 0;
|
|
}
|
|
|
|
//Serial.print(pitchBend);
|
|
//Serial.print(" - ");
|
|
//Serial.println(oldpb);
|
|
|
|
if (pitchBend != oldpb) { // only send midi data if pitch bend has changed from previous value
|
|
midiSendPitchBend(pitchBend);
|
|
oldpb = pitchBend;
|
|
}
|
|
}
|
|
|
|
//***********************************************************
|
|
|
|
void doorKnobCheck() {
|
|
int touchValue[12];
|
|
for (byte i = 0; i < 12; i++) {
|
|
touchValue[i] = touchSensor.filteredData(i);
|
|
}
|
|
if ((touchValue[K4Pin] < ctouchThrVal) && (touchValue[R1Pin] < ctouchThrVal) && (touchValue[R2Pin] < ctouchThrVal) && (touchValue[R3Pin] < ctouchThrVal)) { // doorknob grip on canister
|
|
if (pbUp > ((pitchbMaxVal + pitchbThrVal) / 2)) {
|
|
gateOpen = 1;
|
|
digitalWrite(statusLedPin, LOW);
|
|
delay(50);
|
|
digitalWrite(statusLedPin, HIGH);
|
|
delay(50);
|
|
} else if (pbDn > ((pitchbMaxVal + pitchbThrVal) / 2)) {
|
|
gateOpen = 0;
|
|
midiPanic();
|
|
digitalWrite(statusLedPin, LOW);
|
|
delay(50);
|
|
digitalWrite(statusLedPin, HIGH);
|
|
delay(50);
|
|
digitalWrite(statusLedPin, LOW);
|
|
delay(50);
|
|
digitalWrite(statusLedPin, HIGH);
|
|
delay(50);
|
|
digitalWrite(statusLedPin, LOW);
|
|
delay(50);
|
|
digitalWrite(statusLedPin, HIGH);
|
|
delay(700);
|
|
}
|
|
}
|
|
}
|
|
|
|
//***********************************************************
|
|
|
|
void extraController() {
|
|
// Extra Controller is the lip touch sensor (proportional) in front of the mouthpiece
|
|
exSensor = exSensor * 0.6 + 0.4 * touchRead(extraPin); // 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;
|
|
if (extraCT == 4) { //Sustain ON
|
|
midiSendControlChange(64, 127);
|
|
}
|
|
}
|
|
if (extraCT == 1) { //Send modulation
|
|
int extracCC = map(constrain(exSensor, extracThrVal, extracMaxVal), extracThrVal, extracMaxVal, 1, 127);
|
|
if (extracCC != oldextrac) {
|
|
midiSendControlChange(1, extracCC);
|
|
}
|
|
oldextrac = extracCC;
|
|
}
|
|
if (extraCT == 2) { //Send foot pedal (CC#4)
|
|
int extracCC = map(constrain(exSensor, extracThrVal, extracMaxVal), extracThrVal, extracMaxVal, 1, 127);
|
|
if (extracCC != oldextrac) {
|
|
midiSendControlChange(4, extracCC);
|
|
}
|
|
oldextrac = extracCC;
|
|
}
|
|
if ((extraCT == 3) && (breathCC != 9)) { //Send filter cutoff (CC#74)
|
|
int extracCC = map(constrain(exSensor, extracThrVal, extracMaxVal), extracThrVal, extracMaxVal, 1, 127);
|
|
if (extracCC != oldextrac) {
|
|
midiSendControlChange(74, extracCC);
|
|
}
|
|
oldextrac = extracCC;
|
|
}
|
|
} else if (extracIsOn) { // we have just gone below threshold, so send zero value
|
|
extracIsOn = 0;
|
|
if (extraCT == 1) { //MW
|
|
if (oldextrac != 0) {
|
|
//send modulation 0
|
|
midiSendControlChange(1, 0);
|
|
oldextrac = 0;
|
|
}
|
|
} else if (extraCT == 2) { //FP
|
|
if (oldextrac != 0) {
|
|
//send foot pedal 0
|
|
midiSendControlChange(4, 0);
|
|
oldextrac = 0;
|
|
}
|
|
} else if ((extraCT == 3) && (breathCC != 9)) { //CF
|
|
if (oldextrac != 0) {
|
|
//send filter cutoff 0
|
|
midiSendControlChange(74, 0);
|
|
oldextrac = 0;
|
|
}
|
|
} else if (extraCT == 4) { //SP
|
|
//send sustain off
|
|
midiSendControlChange(64, 0);
|
|
}
|
|
}
|
|
}
|
|
|
|
//***********************************************************
|
|
|
|
void portamento_() {
|
|
// Portamento is controlled with the bite sensor (variable capacitor) in the mouthpiece
|
|
if (biteJumper){ //PBITE (if pulled low with jumper, use pressure sensor on A7)
|
|
biteSensor = analogRead(A7); // alternative kind bite sensor (air pressure tube and sensor) PBITE
|
|
} else {
|
|
biteSensor = touchRead(bitePin); // 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();
|
|
}
|
|
port();
|
|
} else if (portIsOn) { // we have just gone below threshold, so send zero value
|
|
portOff();
|
|
}
|
|
}
|
|
|
|
//***********************************************************
|
|
|
|
void portOn() {
|
|
if (portamento == 2) { // if portamento midi switching is enabled
|
|
midiSendControlChange(CCN_PortOnOff, 127);
|
|
}
|
|
portIsOn = 1;
|
|
}
|
|
|
|
//***********************************************************
|
|
|
|
void port() {
|
|
int portCC;
|
|
portCC = map(constrain(biteSensor, portamThrVal, portamMaxVal), portamThrVal, portamMaxVal, 0, 127);
|
|
if (portCC != oldport) {
|
|
midiSendControlChange(CCN_Port, portCC);
|
|
}
|
|
oldport = portCC;
|
|
}
|
|
|
|
//***********************************************************
|
|
|
|
void portOff() {
|
|
if (oldport != 0) { //did a zero get sent? if not, then send one
|
|
midiSendControlChange(CCN_Port, 0);
|
|
}
|
|
if (portamento == 2) { // if portamento midi switching is enabled
|
|
midiSendControlChange(CCN_PortOnOff, 0);
|
|
}
|
|
portIsOn = 0;
|
|
oldport = 0;
|
|
}
|
|
|
|
//***********************************************************
|
|
|
|
void readSwitches() {
|
|
int qTransp;
|
|
// Read touch pads (MPR121) and put value in variables
|
|
int touchValue[12];
|
|
for (byte i = 0; i < 12; i++) {
|
|
touchValue[i] = touchSensor.filteredData(i);
|
|
}
|
|
|
|
// Octave rollers
|
|
octaveR = 0;
|
|
if ((touchValue[R5Pin] < ctouchThrVal) && (touchValue[R3Pin] < ctouchThrVal)) octaveR = 6; //R6 = R5 && R3
|
|
else if (touchValue[R5Pin] < ctouchThrVal) octaveR = 5; //R5
|
|
else if (touchValue[R4Pin] < ctouchThrVal) octaveR = 4; //R4
|
|
else if ((touchValue[R3Pin] < ctouchThrVal) && lastOctaveR) octaveR = 3; //R3
|
|
else if (touchValue[R2Pin] < ctouchThrVal) octaveR = 2; //R2
|
|
else if (touchValue[R1Pin] < ctouchThrVal) octaveR = 1; //R1
|
|
|
|
lastOctaveR = octaveR;
|
|
|
|
// Valves and trill keys
|
|
K4 = (touchValue[K4Pin] < ctouchThrVal);
|
|
K1 = (touchValue[K1Pin] < ctouchThrVal);
|
|
K2 = (touchValue[K2Pin] < ctouchThrVal);
|
|
K3 = (touchValue[K3Pin] < ctouchThrVal);
|
|
K5 = (touchValue[K5Pin] < ctouchThrVal);
|
|
K6 = (touchValue[K6Pin] < ctouchThrVal);
|
|
K7 = (touchValue[K7Pin] < ctouchThrVal);
|
|
|
|
pinkyKey = (touchRead(halfPitchBendKeyPin) > touch_Thr); // SENSOR PIN 1 - PCB PIN "S1"
|
|
|
|
if ((pinkySetting < 12) && pinkyKey) {
|
|
qTransp = pinkySetting - 12;
|
|
} else if ((pinkySetting > 12) && pinkyKey) {
|
|
qTransp = pinkySetting - 12;
|
|
} else {
|
|
qTransp = 0;
|
|
}
|
|
|
|
// Calculate midi note number from pressed keys
|
|
#if defined(CASSIDY)
|
|
|
|
fingeredNoteUntransposed = startNote
|
|
- 2*K1 - K2 - 3*K3 //"Trumpet valves"
|
|
- 5*K4 //Fifth key
|
|
+ 2*K5 + K6 + 3*K7 //Trill keys (different from standard)
|
|
+ octaveR*12; //Octave rollers
|
|
|
|
#else
|
|
|
|
fingeredNoteUntransposed = startNote
|
|
- 2*K1 - K2 - 3*K3 //"Trumpet valves"
|
|
- 5*K4 //Fifth key
|
|
+ 2*K5 + K6 + 4*K7 //Trill keys
|
|
+ octaveR*12; //Octave rollers
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#endif
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fingeredNote = fingeredNoteUntransposed + transpose - 12 + qTransp;
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if (pinkyKey) pitchlatch = fingeredNoteUntransposed; //use pitchlatch to make settings based on note fingered
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}
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