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Disabled baseline tracking for the MPR121. Added status LEDs for breath and bite (portamento).

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This commit is contained in:
Johan Berglund 2017-09-09 10:24:49 +02:00
parent 94d9ceb89b
commit 39b3031c3b
1 changed files with 33 additions and 6 deletions
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39
NuEVI.ino
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@ -21,7 +21,7 @@ PROGRAMME FUNCTION: EVI Wind Controller using the Freescale MP3V5004GP breath
#define ON_Delay 20 // Set Delay after ON threshold before velocity is checked (wait for tounging peak)
#define touch_Thr 800 // sensitivity for Teensy touch sensors
#define touch_Thr 1200 // sensitivity for Teensy touch sensors
#define CCN_Port 5 // Controller number for portamento level
#define CCN_PortOnOff 65// Controller number for portamento on/off
@ -336,6 +336,9 @@ byte startNote=36; // set startNote to C (change this value in steps of 12 to
byte halfPitchBendKey;
byte specialKey;
byte breathLedBrightness = 100; // up to 255, PWM
byte portamLedBrightness = 100; // up to 255, PWM
Adafruit_MPR121 touchSensor = Adafruit_MPR121(); // This is the 12-input touch sensor
@ -398,6 +401,13 @@ void setup() {
pinMode(uPin, INPUT_PULLUP);
pinMode(mPin, INPUT_PULLUP);
pinMode(10, OUTPUT); // breath indicator LED
pinMode(9, OUTPUT); // portam indicator LED
if (!touchSensor.begin(0x5A)) {
while (1); // Touch sensor initialization failed - stop doing stuff
}
// by default, we'll generate the high voltage from the 3.3v line internally! (neat!)
display.begin(SSD1306_SWITCHCAPVCC, 0x3C); // initialize with the I2C addr 0x3D (for the 128x64)
// init done
@ -420,12 +430,13 @@ void setup() {
int cv4=touchRead(15);
vibThr=(cv1+cv2+cv3+cv4)/4-70;
delay(1000);
delay(2000); // extra "boot time" to allow MPR121 auto calibration to settle
touchSensor.writeRegister(MPR121_ECR, 0x4F); // set MPR121 to run with baseline tracking disabled
state = DISPLAYOFF_IDL;
mainState = NOTE_OFF; // initialize main state machine
if (!touchSensor.begin(0x5A)) {
while (1); // Touch sensor initialization failed - stop doing stuff
}
Serial3.begin(31250); // start serial with midi baudrate 31250
Serial3.flush();
@ -529,12 +540,13 @@ void loop() {
pitch_bend();
portamento_();
extraController();
statusLEDs();
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();
drawSensorPixels(); // live sensor monitoring for the setup screens
pixelUpdateTime = millis();
}
lastFingering=fingeredNote;
@ -614,6 +626,21 @@ void dinMIDIsendProgramChange(byte value, byte ch) {
//**************************************************************
void statusLEDs() {
if (breathLevel > breathThrVal){ // breath indicator LED, labeled "B" on PCB
analogWrite(10, breathLedBrightness);
} else {
analogWrite(10, 0);
}
if (biteSensor > portamThrVal){ // portamento indicator LED, labeled "P" on PCB
analogWrite(9, portamLedBrightness);
} else {
analogWrite(9, 0);
}
}
//**************************************************************
void breath(){
int breathCCval;
breathLevel = breathLevel*0.8+pressureSensor*0.2; // smoothing of breathLevel value