InputManager.cpp

#include "InputManager.h"

InputManager::InputManager(uint8_t fps, EffectManager* effectManager) { 
  this->effectManager = effectManager;
  this->frametime = 1000/fps;
  pinMode(Params::JOY_SW_PIN, INPUT);
  pinMode(A0, INPUT);
}

void InputManager::calibrate() {
  long sum = 0;
  for (int i = 0; i < 500; i++) {
    sum += readX();
    delay(1);
  }
  null_pt = sum/500;
}

void InputManager::frame() {
  if (millis() - lastFrame > (unsigned long)frametime) {
    uint16_t x = readX();
    bool sw = readSW();
    int16_t tmp, delta;

    if (sw && is_button_free) {
      selected_mode++;
      if (selected_mode == 5) {
        selected_mode = 0;
      }
      is_button_free = false;
    } else if (!sw) {
      is_button_free = true;
    }
    
    switch(selected_mode) {
      case 0: // Brightness
        if (x > null_pt + Params::JOY_DEAD_ZONE) {
          delta = map(x - (null_pt + Params::JOY_DEAD_ZONE), 0, null_pt - Params::JOY_DEAD_ZONE, 0, 7);
          tmp = max(effectManager->getMasterBrightness() - delta, 0);
          effectManager->setMasterBrightness(tmp);
          is_joystick_free = false;
        } else if (x < null_pt - Params::JOY_DEAD_ZONE) {
          delta = map(x, 0, null_pt - Params::JOY_DEAD_ZONE, 7, 0);
          tmp = min(effectManager->getMasterBrightness() + delta, 255);
          effectManager->setMasterBrightness(tmp);
          is_joystick_free = false;
        } else if (x > (null_pt - Params::JOY_DEAD_ZONE) && x < (null_pt + Params::JOY_DEAD_ZONE) && !is_joystick_free) {
          is_joystick_free = true;
        }
        break;
      case 1: // Effect speed
        if (x > null_pt + Params::JOY_DEAD_ZONE) {
          delta = map(x - (null_pt + Params::JOY_DEAD_ZONE), 0, null_pt - Params::JOY_DEAD_ZONE, 0, 7);
          tmp = max(effectManager->getEffectSpeed() - delta, 0);
          effectManager->setEffectSpeed(tmp);
          is_joystick_free = false;
        } else if (x < null_pt - Params::JOY_DEAD_ZONE) {
          delta = map(x, 0, null_pt - Params::JOY_DEAD_ZONE, 7, 0);
          tmp = min(effectManager->getEffectSpeed() + delta, 255);
          effectManager->setEffectSpeed(tmp);
          is_joystick_free = false;
        } else if (x > (null_pt - Params::JOY_DEAD_ZONE) && x < (null_pt + Params::JOY_DEAD_ZONE) && !is_joystick_free) {
          is_joystick_free = true;
        }
        break;
      case 2: // Effect intensity
        if (x > null_pt + Params::JOY_DEAD_ZONE) {
          delta = map(x - (null_pt + Params::JOY_DEAD_ZONE), 0, null_pt - Params::JOY_DEAD_ZONE, 0, 7);
          tmp = max(effectManager->getEffectIntensity() - delta, 0);
          effectManager->setEffectIntensity(tmp);
          is_joystick_free = false;
        } else if (x < null_pt - Params::JOY_DEAD_ZONE) {
          delta = map(x, 0, null_pt - Params::JOY_DEAD_ZONE, 7, 0);
          tmp = min(effectManager->getEffectIntensity() + delta, 255);
          effectManager->setEffectIntensity(tmp);
          is_joystick_free = false;
        } else if (x > (null_pt - Params::JOY_DEAD_ZONE) && x < (null_pt + Params::JOY_DEAD_ZONE) && !is_joystick_free) {
          is_joystick_free = true;
        }
        break;
      case 3: // Effects
        if (x > 4096 - Params::JOY_DEAD_ZONE && is_joystick_free) {
          tmp = effectManager->getEffectId() - 1;
          if (tmp < 0) tmp += Params::NB_EFFECTS;
          effectManager->selectEffect(tmp);
          is_joystick_free = false;
        } else if (x < Params::JOY_DEAD_ZONE && is_joystick_free) {
          tmp = (effectManager->getEffectId() + 1) % Params::NB_EFFECTS;
          effectManager->selectEffect(tmp);
          is_joystick_free = false;
        } else if (x > (null_pt - Params::JOY_DEAD_ZONE) && x < (null_pt + Params::JOY_DEAD_ZONE) && !is_joystick_free) {
          is_joystick_free = true;
        }
        break;
      case 4: // Palettes
        if (x > 4096 - Params::JOY_DEAD_ZONE && is_joystick_free) {
          tmp = effectManager->getPaletteId() - 1;
          if (tmp < 0) tmp += Params::NB_PALETTES;
          effectManager->selectPalette(tmp);
          is_joystick_free = false;
        } else if (x < Params::JOY_DEAD_ZONE && is_joystick_free) {
          tmp = (effectManager->getPaletteId() + 1) % Params::NB_PALETTES;
          effectManager->selectPalette(tmp);
          is_joystick_free = false;
        } else if (x > (null_pt - Params::JOY_DEAD_ZONE) && x < (null_pt + Params::JOY_DEAD_ZONE) && !is_joystick_free) {
          is_joystick_free = true;
        }
        break;
    }
    lastFrame = millis();
  }
}

uint16_t InputManager::readX() {
  return analogRead(A0);
}

bool InputManager::readSW() {
  return digitalRead(Params::JOY_SW_PIN) == LOW;
}