C++ (Cpp) cb_onRelease Examples

Example #1

File: Button.cpp Project: insolace/beatseqr-software

/*
|| @description
|| | Return the bitRead(state,CURRENT) of the switch
|| #
|| 
|| @return true if button is pressed
*/
bool Button::isPressed(void)
{  
  //save the previous value
  bitWrite(state,PREVIOUS,bitRead(state,CURRENT));
  
  //get the current status of the pin
  if (digitalRead(pin) == mode)
  {
    //currently the button is not pressed
    bitWrite(state,CURRENT,false);
  } 
  else 
  {
    //currently the button is pressed
    bitWrite(state,CURRENT,true);
  }
  
  //handle state changes
  if (bitRead(state,CURRENT) != bitRead(state,PREVIOUS))
  {
    //the state changed to PRESSED
    if (bitRead(state,CURRENT) == true) 
    {
      numberOfPresses++;
      if (cb_onPress) { cb_onPress(*this); }   //fire the onPress event
      pressedStartTime = millis();             //start timing
      triggeredHoldEvent = false;
    } 
    else //the state changed to RELEASED
    {
      if (cb_onRelease) { cb_onRelease(*this); } //fire the onRelease event
      if (cb_onClick) { cb_onClick(*this); }   //fire the onClick event AFTER the onRelease
      //reset states (for timing and for event triggering)
      pressedStartTime = -1;
    }
    //note that the state changed
    bitWrite(state,CHANGED,true);
  }
  else
  {
    //note that the state did not change
    bitWrite(state,CHANGED,false);
    //should we trigger a onHold event?
    if (pressedStartTime!=-1 && !triggeredHoldEvent) 
    {
      if (millis()-pressedStartTime > holdEventThreshold) 
      { 
        if (cb_onHold) 
        { 
          cb_onHold(*this); 
          triggeredHoldEvent = true;
        }
      }
    }
  }
  return bitRead(state,CURRENT);
}

Example #2

File: Button.cpp Project: Nanocontroller/rock_paper_awesome

/*
|| @description
|| | Read and write states; issue callbacks
|| #
|| 
|| @return true if button is pressed
*/
void Button::process(void)
{
  //save the previous value
  bitWrite(state,PREVIOUS,bitRead(state,CURRENT));
  
  //get the current status of the pin
  if (digitalRead(pin) == mode)
  {
    //currently the button is not pressed
    bitWrite(state,CURRENT,false);
  } 
  else 
  {
    //currently the button is pressed
    bitWrite(state,CURRENT,true);
  }
  
  //handle state changes
  if (bitRead(state,CURRENT) != bitRead(state,PREVIOUS))
  {
    unsigned int interval = millis() - debounceStartTime;
    // if(debounceMode){
    //   Serial.print("debounceStartTime: ");
    //   Serial.print(debounceStartTime);
    //   Serial.print("\tdebounceDuration: ");
    //   Serial.println(debounceDuration);
      // Serial.println(interval);
    // }
    if(debounceMode && interval < debounceDuration){
      // not enough time has passed; ignore
      return;
    }
    // Serial.println("state changed");
    debounceStartTime = millis();
    //the state changed to PRESSED
    if (bitRead(state,CURRENT) == true) 
    {
      numberOfPresses++;
      if (cb_onPress) { cb_onPress(*this); }   //fire the onPress event
      pressedStartTime = millis();             //start timing
      triggeredHoldEvent = false;
    } 
    else //the state changed to RELEASED
    {
      if (cb_onRelease) { cb_onRelease(*this); } //fire the onRelease event
      if (cb_onClick) { cb_onClick(*this); }   //fire the onClick event AFTER the onRelease
      //reset states (for timing and for event triggering)
      pressedStartTime = -1;
    }
    //note that the state changed
    bitWrite(state,CHANGED,true);
  }
  else
  {
    //note that the state did not change
    bitWrite(state,CHANGED,false);
    //should we trigger an onHold event?
    if (pressedStartTime!=-1 && !triggeredHoldEvent) 
    {
      if (millis()-pressedStartTime > holdEventThreshold) 
      { 
        if (cb_onHold) 
        { 
          cb_onHold(*this); 
          triggeredHoldEvent = true;
        }
      }
    }
  }
}