File content as of revision 20:6d2af70c92ab:

/*******************************************************************************
 * Copyright (C) 2016 Maxim Integrated Products, Inc., All Rights Reserved.
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 * The above copyright notice and this permission notice shall be included
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 * OTHER DEALINGS IN THE SOFTWARE.
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 */

#include "PushButton.h"
#include "Peripherals.h"

void pb_hit_interrupt_fall(void);

PushButton::PushButton(PinName pin) : interruptButton(pin) {
  this->pin = pin;

  interruptButton.mode(PullUp);
  // Delay for initial pullup to take effect
  wait(0.01f);
  // Attach the address of the interrupt handler routine for pushbutton
  interruptButton.fall(&pb_hit_interrupt_fall);
}

bool PushButton::GetButtonFallState(void) { 
 return buttonFallState; 
}

void PushButton::SetButtonFallState(bool state) { 
 buttonFallState = state; 
}

void PushButton::clearButtonFallState(void) { 
 buttonFallState = false; 
}

int PushButton::Read(void) { 
 return interruptButton.read(); 
}

void pb_hit_interrupt_fall(void) {
  if (Peripherals::pushButton() != NULL)
    Peripherals::pushButton()->SetButtonFallState(true);
}