Maxim Integrated / MAX30001EVSYSKIT

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HSP/Devices/PushButton/PushButton.cpp@1:957e5bad16c2, 2018-06-27 (annotated)

Committer:
Emre.Eken
Date:
Wed Jun 27 14:17:34 2018 +0300
Revision:
1:957e5bad16c2
first rev

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Emre.Eken 1:957e5bad16c2 1 /*******************************************************************************
Emre.Eken 1:957e5bad16c2 2 * Copyright (C) 2016 Maxim Integrated Products, Inc., All Rights Reserved.
Emre.Eken 1:957e5bad16c2 3 *
Emre.Eken 1:957e5bad16c2 4 * Permission is hereby granted, free of charge, to any person obtaining a
Emre.Eken 1:957e5bad16c2 5 * copy of this software and associated documentation files (the "Software"),
Emre.Eken 1:957e5bad16c2 6 * to deal in the Software without restriction, including without limitation
Emre.Eken 1:957e5bad16c2 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
Emre.Eken 1:957e5bad16c2 8 * and/or sell copies of the Software, and to permit persons to whom the
Emre.Eken 1:957e5bad16c2 9 * Software is furnished to do so, subject to the following conditions:
Emre.Eken 1:957e5bad16c2 10 *
Emre.Eken 1:957e5bad16c2 11 * The above copyright notice and this permission notice shall be included
Emre.Eken 1:957e5bad16c2 12 * in all copies or substantial portions of the Software.
Emre.Eken 1:957e5bad16c2 13 *
Emre.Eken 1:957e5bad16c2 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
Emre.Eken 1:957e5bad16c2 15 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
Emre.Eken 1:957e5bad16c2 16 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
Emre.Eken 1:957e5bad16c2 17 * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
Emre.Eken 1:957e5bad16c2 18 * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
Emre.Eken 1:957e5bad16c2 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
Emre.Eken 1:957e5bad16c2 20 * OTHER DEALINGS IN THE SOFTWARE.
Emre.Eken 1:957e5bad16c2 21 *
Emre.Eken 1:957e5bad16c2 22 * Except as contained in this notice, the name of Maxim Integrated
Emre.Eken 1:957e5bad16c2 23 * Products, Inc. shall not be used except as stated in the Maxim Integrated
Emre.Eken 1:957e5bad16c2 24 * Products, Inc. Branding Policy.
Emre.Eken 1:957e5bad16c2 25 *
Emre.Eken 1:957e5bad16c2 26 * The mere transfer of this software does not imply any licenses
Emre.Eken 1:957e5bad16c2 27 * of trade secrets, proprietary technology, copyrights, patents,
Emre.Eken 1:957e5bad16c2 28 * trademarks, maskwork rights, or any other form of intellectual
Emre.Eken 1:957e5bad16c2 29 * property whatsoever. Maxim Integrated Products, Inc. retains all
Emre.Eken 1:957e5bad16c2 30 * ownership rights.
Emre.Eken 1:957e5bad16c2 31 *******************************************************************************
Emre.Eken 1:957e5bad16c2 32 */
Emre.Eken 1:957e5bad16c2 33
Emre.Eken 1:957e5bad16c2 34 #include "PushButton.h"
Emre.Eken 1:957e5bad16c2 35 #include "Peripherals.h"
Emre.Eken 1:957e5bad16c2 36
Emre.Eken 1:957e5bad16c2 37 PushButton::PushButton(PinName pin) : interruptButton(pin) {
Emre.Eken 1:957e5bad16c2 38 this->pin = pin;
Emre.Eken 1:957e5bad16c2 39
Emre.Eken 1:957e5bad16c2 40 interruptButton.mode(PullUp);
Emre.Eken 1:957e5bad16c2 41 debouncingState = false;
Emre.Eken 1:957e5bad16c2 42 // Delay for initial pullup to take effect
Emre.Eken 1:957e5bad16c2 43 wait(0.01f);
Emre.Eken 1:957e5bad16c2 44 // Attach the address of the interrupt handler routine for pushbutton
Emre.Eken 1:957e5bad16c2 45 interruptButton.fall(callback(this, &PushButton::pb_hit_interrupt_fall));
Emre.Eken 1:957e5bad16c2 46 }
Emre.Eken 1:957e5bad16c2 47
Emre.Eken 1:957e5bad16c2 48 bool PushButton::GetButtonFallState(void) {
Emre.Eken 1:957e5bad16c2 49 return buttonFallState;
Emre.Eken 1:957e5bad16c2 50 }
Emre.Eken 1:957e5bad16c2 51
Emre.Eken 1:957e5bad16c2 52 void PushButton::SetButtonFallState(bool state) {
Emre.Eken 1:957e5bad16c2 53 buttonFallState = state;
Emre.Eken 1:957e5bad16c2 54 }
Emre.Eken 1:957e5bad16c2 55
Emre.Eken 1:957e5bad16c2 56 void PushButton::clearButtonFallState(void) {
Emre.Eken 1:957e5bad16c2 57 buttonFallState = false;
Emre.Eken 1:957e5bad16c2 58 }
Emre.Eken 1:957e5bad16c2 59
Emre.Eken 1:957e5bad16c2 60 int PushButton::Read(void) {
Emre.Eken 1:957e5bad16c2 61 return interruptButton.read();
Emre.Eken 1:957e5bad16c2 62 }
Emre.Eken 1:957e5bad16c2 63
Emre.Eken 1:957e5bad16c2 64 void PushButton::pb_hit_interrupt_fall(void) {
Emre.Eken 1:957e5bad16c2 65 /* switch debouncing */
Emre.Eken 1:957e5bad16c2 66 if (!debouncingState)
Emre.Eken 1:957e5bad16c2 67 {
Emre.Eken 1:957e5bad16c2 68 timeout.attach(callback(this, &PushButton::pb_debounce_timeout), debounceTime);
Emre.Eken 1:957e5bad16c2 69 }
Emre.Eken 1:957e5bad16c2 70 }
Emre.Eken 1:957e5bad16c2 71
Emre.Eken 1:957e5bad16c2 72 void PushButton::pb_debounce_timeout(void) {
Emre.Eken 1:957e5bad16c2 73 if (!interruptButton.read())
Emre.Eken 1:957e5bad16c2 74 {
Emre.Eken 1:957e5bad16c2 75 if (Peripherals::pushButton() != NULL){
Emre.Eken 1:957e5bad16c2 76 Peripherals::pushButton()->SetButtonFallState(true);
Emre.Eken 1:957e5bad16c2 77 }
Emre.Eken 1:957e5bad16c2 78 }
Emre.Eken 1:957e5bad16c2 79 debouncingState = false;
Emre.Eken 1:957e5bad16c2 80 }
Emre.Eken 1:957e5bad16c2 81