MAX30001-MAX32630FTHR SYS EvKit
Dependencies: USBDevice max32630fthr
PushButton.cpp
00001 /******************************************************************************* 00002 * Copyright (C) 2016 Maxim Integrated Products, Inc., All Rights Reserved. 00003 * 00004 * Permission is hereby granted, free of charge, to any person obtaining a 00005 * copy of this software and associated documentation files (the "Software"), 00006 * to deal in the Software without restriction, including without limitation 00007 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 00008 * and/or sell copies of the Software, and to permit persons to whom the 00009 * Software is furnished to do so, subject to the following conditions: 00010 * 00011 * The above copyright notice and this permission notice shall be included 00012 * in all copies or substantial portions of the Software. 00013 * 00014 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 00015 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 00016 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 00017 * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES 00018 * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 00019 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 00020 * OTHER DEALINGS IN THE SOFTWARE. 00021 * 00022 * Except as contained in this notice, the name of Maxim Integrated 00023 * Products, Inc. shall not be used except as stated in the Maxim Integrated 00024 * Products, Inc. Branding Policy. 00025 * 00026 * The mere transfer of this software does not imply any licenses 00027 * of trade secrets, proprietary technology, copyrights, patents, 00028 * trademarks, maskwork rights, or any other form of intellectual 00029 * property whatsoever. Maxim Integrated Products, Inc. retains all 00030 * ownership rights. 00031 ******************************************************************************* 00032 */ 00033 00034 #include "PushButton.h" 00035 #include "Peripherals.h" 00036 00037 PushButton::PushButton(PinName pin) : interruptButton(pin) { 00038 this->pin = pin; 00039 00040 interruptButton.mode(PullUp); 00041 debouncingState = false; 00042 // Delay for initial pullup to take effect 00043 wait(0.01f); 00044 // Attach the address of the interrupt handler routine for pushbutton 00045 interruptButton.fall(callback(this, &PushButton::pb_hit_interrupt_fall)); 00046 } 00047 00048 bool PushButton::GetButtonFallState(void) { 00049 return buttonFallState; 00050 } 00051 00052 void PushButton::SetButtonFallState(bool state) { 00053 buttonFallState = state; 00054 } 00055 00056 void PushButton::clearButtonFallState(void) { 00057 buttonFallState = false; 00058 } 00059 00060 int PushButton::Read(void) { 00061 return interruptButton.read(); 00062 } 00063 00064 void PushButton::pb_hit_interrupt_fall(void) { 00065 /* switch debouncing */ 00066 if (!debouncingState) 00067 { 00068 timeout.attach(callback(this, &PushButton::pb_debounce_timeout), debounceTime); 00069 } 00070 } 00071 00072 void PushButton::pb_debounce_timeout(void) { 00073 if (!interruptButton.read()) 00074 { 00075 if (Peripherals::pushButton() != NULL){ 00076 Peripherals::pushButton()->SetButtonFallState(true); 00077 } 00078 } 00079 debouncingState = false; 00080 } 00081
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