SimpleExpressions/src/SimpleExpressions.cpp

#include "Arduino.h"
#include "SimpleExpressions.h"

#define ledc_channel 5

void SimpleExpressionsClass::init(int aMouthPin, int aBuzzerPin) {
  initMouth(aMouthPin);
  initBuzzer(aBuzzerPin);
  clearMouth();
}


void SimpleExpressionsClass::initMouth(int aMouthPin) {
  mouth = Adafruit_NeoPixel(7, aMouthPin, NEO_GRB + NEO_KHZ800);
  mouth.begin();
  clearMouth();
}

void SimpleExpressionsClass::initBuzzer(int aBuzzerPin) {
  buzzerPin = aBuzzerPin;

  #if defined(ESP32)
  ledcSetup(ledc_channel, 2000, 8);   // channel, max frequency, resolution
  ledcAttachPin(aBuzzerPin, ledc_channel);
  #endif
}

///////////////////////////////////////////////////////////////////
//-- MOUTHS  ----------------------------------------//
///////////////////////////////////////////////////////////////////

void SimpleExpressionsClass::writeMouth(const char mouthName[], int r, int g, int b) {
  int number = -1;
  for(int i = 0; i < frameCount; i++) {
    if(strncmp(shapes[i].name, mouthName, 20) == 0) {
      number = i;
      break;
    }
  }
  if(number != -1) {
    printMouth(number, r, g, b);
  } else {
    if(debug) Serial.println("Error: mouth name does not exist");
  }
}

void SimpleExpressionsClass::printMouth(int number, int r, int g, int b) {
  for(uint16_t i = 0; i<7; i++) {
    if(shapes[number].data[i]) mouth.setPixelColor(i, mouth.Color(r, g, b));
    else mouth.setPixelColor(i, 0);
  }
  showMouth();
  delay(1);
  clearPixels();
}

void SimpleExpressionsClass::writeMouth(const char mouthName[] ) {
  int number = -1;
  for(int i = 0; i < colorFrameCount; i++) {
    if(strncmp(shapes[i].name, mouthName, 20) == 0) {
      number = i;
      break;
    }
  }
  if(number != -1) {
    printMouth(number);
  } else {
    if(debug) Serial.println("Error: mouth name does not exist");
  }
}

void SimpleExpressionsClass::printMouth(int number) {
  for(uint16_t i = 0; i<7; i++) {
    mouth.setPixelColor(i, mouth.Color(colorShapes[number].data[i][0], colorShapes[number].data[i][1], colorShapes[number].data[i][2]));
  }
  showMouth();
  delay(1);
  clearPixels();
}


void SimpleExpressionsClass::writeMouthGeneric(const bool mouthArray[7], int r, int g, int b) {
  for(uint16_t i=0; i<7; i++) {
    if(mouthArray[i]) mouth.setPixelColor(i, mouth.Color(r, g, b));
    else mouth.setPixelColor(i, 0);
  }
  showMouth();
  delay(1);
  clearPixels();
}

void SimpleExpressionsClass::writeMouthGeneric(const int mouthArray[7][3]) {
  for(uint16_t i=0; i<7; i++) {
    mouth.setPixelColor(i, mouth.Color(mouthArray[i][0], mouthArray[i][1], mouthArray[i][2]));
  }
  showMouth();
  delay(1);
  clearPixels();
}


void SimpleExpressionsClass::clearMouth() {
  for(int i = 0; i < 7; i++) {
    mouth.setPixelColor(i, 0);
  }
  showMouth();
  delay(1);
  clearPixels();
}


void SimpleExpressionsClass::clearPixels() { // avoid strange issues on ESP32 with ledc
  for(int i = 0; i < 7; i++) {
    mouth.setPixelColor(i, 0);
  }
  delay(1);
}

void SimpleExpressionsClass::showMouth() {
  #if defined(ESP32)
  portDISABLE_INTERRUPTS();
  mouth.show();
  delay(1);
  portENABLE_INTERRUPTS();
  clearPixels();
  #else
  mouth.show();
  #endif
}

///////////////////////////////////////////////////////////////////
//-- SOUNDS -----------------------------------------------------//
///////////////////////////////////////////////////////////////////


void SimpleExpressionsClass::_tone (float noteFrequency, long noteDuration, int silentDuration){
  if(silentDuration==0) {silentDuration=1;}

    #if defined(ESP32)
  ledcWriteTone(ledc_channel, noteFrequency);
  delay(noteDuration);     // milliseconds
  ledcWrite(ledc_channel, 0);     // notone
    #else
  tone(buzzerPin, noteFrequency, noteDuration);
  delay(noteDuration);     // milliseconds
    #endif

  delay(silentDuration);
}


void SimpleExpressionsClass::bendTones (float initFrequency, float finalFrequency, float prop, long noteDuration, int silentDuration){

  //Examples:
  //  bendTones (880, 2093, 1.02, 18, 1);
  //  bendTones (note_A5, note_C7, 1.02, 18, 0);

  if(silentDuration==0) {silentDuration=1;}

  if(initFrequency < finalFrequency)
  {
    for (int i=initFrequency; i<finalFrequency; i=i*prop) {
      _tone(i, noteDuration, silentDuration);
    }

  } else{

    for (int i=initFrequency; i>finalFrequency; i=i/prop) {
      _tone(i, noteDuration, silentDuration);
    }
  }
}


void SimpleExpressionsClass::playSound(int soundName){
  switch(soundName) {

  case S_CONNECTION:
    _tone(NOTE_E5,50,30);
    _tone(NOTE_E6,55,25);
    _tone(NOTE_A6,60,10);
    break;

  case S_DISCONNECTION:
    _tone(NOTE_E5,50,30);
    _tone(NOTE_A6,55,25);
    _tone(NOTE_E6,50,10);
    break;

  case S_BUTTON_PUSHED:
    bendTones (NOTE_E6, NOTE_G6, 1.03, 20, 2);
    delay(30);
    bendTones (NOTE_E6, NOTE_D7, 1.04, 10, 2);
    break;

  case S_MODE1:
    bendTones (NOTE_E6, NOTE_A6, 1.02, 30, 10);    //1318.51 to 1760
    break;

  case S_MODE2:
    bendTones (NOTE_G6, NOTE_D7, 1.03, 30, 10);    //1567.98 to 2349.32
    break;

  case S_MODE3:
    _tone(NOTE_E6,50,100);   //D6
    _tone(NOTE_G6,50,80);    //E6
    _tone(NOTE_D7,300,0);    //G6
    break;

  case S_SURPRISE:
    bendTones(800, 2150, 1.02, 10, 1);
    bendTones(2149, 800, 1.03, 7, 1);
    break;

  case S_OHOOH:
    bendTones(880, 2000, 1.04, 8, 3);   //A5 = 880
    delay(200);

    for (int i=880; i<2000; i=i*1.04) {
      _tone(NOTE_B5,5,10);
    }
    break;

  case S_OHOOH2:
    bendTones(1880, 3000, 1.03, 8, 3);
    delay(200);

    for (int i=1880; i<3000; i=i*1.03) {
      _tone(NOTE_C6,10,10);
    }
    break;

  case S_CUDDLY:
    bendTones(700, 900, 1.03, 16, 4);
    bendTones(899, 650, 1.01, 18, 7);
    break;

  case S_SLEEPING:
    bendTones(100, 500, 1.04, 10, 10);
    delay(500);
    bendTones(400, 100, 1.04, 10, 1);
    break;

  case S_HAPPY:
    bendTones(1500, 2500, 1.05, 20, 8);
    bendTones(2499, 1500, 1.05, 25, 8);
    break;

  case S_SUPER_HAPPY:
    bendTones(2000, 6000, 1.05, 8, 3);
    delay(50);
    bendTones(5999, 2000, 1.05, 13, 2);
    break;

  case S_HAPPY_SHORT:
    bendTones(1500, 2000, 1.05, 15, 8);
    delay(100);
    bendTones(1900, 2500, 1.05, 10, 8);
    break;

  case S_SAD:
    bendTones(880, 669, 1.02, 20, 200);
    break;

  case S_CONFUSED:
    bendTones(1000, 1700, 1.03, 8, 2);
    bendTones(1699, 500, 1.04, 8, 3);
    bendTones(1000, 1700, 1.05, 9, 10);
    break;

  case S_FART1:
    bendTones(1600, 3000, 1.02, 2, 15);
    break;

  case S_FART2:
    bendTones(2000, 6000, 1.02, 2, 20);
    break;

  case S_FART3:
    bendTones(1600, 4000, 1.02, 2, 20);
    bendTones(4000, 3000, 1.02, 2, 20);
    break;

  case PIRATES:
    // This is funny but very experimental and probably take long haha =P
    for (int i = 0; i < 203; i++) {         //203 is the total number of music notes in the song
      int wait = duration[i] * songspeed;
      _tone( notes[i], wait, 0);          //tone(pin,frequency,duration)
    }
    break;

  }
}

SimpleExpressionsClass SimpleExpressions;