Amir Chaudhary / Mbed OS MTDOT-BOX-EVB-Factory-Firmware

MTDOT-BOX-EVB-Factory-Firmware

Dependencies:   NCP5623B GpsParser ISL29011 libmDot-mbed5 MTS-Serial MMA845x DOGS102 MPL3115A2

ButtonHandler/ButtonHandler.cpp@1:71125aa00e33, 2016-02-04 (annotated)

Committer:
Mike Fiore
Date:
Thu Feb 04 12:36:36 2016 -0600
Revision:
1:71125aa00e33
add rest of source - version 2.0.0

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Mike Fiore 1:71125aa00e33 1 /* Copyright (c) <2016> <MultiTech Systems>, MIT License
Mike Fiore 1:71125aa00e33 2 *
Mike Fiore 1:71125aa00e33 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
Mike Fiore 1:71125aa00e33 4 * and associated documentation files (the "Software"), to deal in the Software without restriction,
Mike Fiore 1:71125aa00e33 5 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
Mike Fiore 1:71125aa00e33 6 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
Mike Fiore 1:71125aa00e33 7 * furnished to do so, subject to the following conditions:
Mike Fiore 1:71125aa00e33 8 *
Mike Fiore 1:71125aa00e33 9 * The above copyright notice and this permission notice shall be included in all copies or
Mike Fiore 1:71125aa00e33 10 * substantial portions of the Software.
Mike Fiore 1:71125aa00e33 11 *
Mike Fiore 1:71125aa00e33 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
Mike Fiore 1:71125aa00e33 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
Mike Fiore 1:71125aa00e33 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
Mike Fiore 1:71125aa00e33 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
Mike Fiore 1:71125aa00e33 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Mike Fiore 1:71125aa00e33 17 */
Mike Fiore 1:71125aa00e33 18
Mike Fiore 1:71125aa00e33 19 #include "ButtonHandler.h"
Mike Fiore 1:71125aa00e33 20
Mike Fiore 1:71125aa00e33 21 #define signal (int32_t)0xA0
Mike Fiore 1:71125aa00e33 22
Mike Fiore 1:71125aa00e33 23 typedef enum {
Mike Fiore 1:71125aa00e33 24 b_none = 0,
Mike Fiore 1:71125aa00e33 25 b_sw1_fall,
Mike Fiore 1:71125aa00e33 26 b_sw1_rise,
Mike Fiore 1:71125aa00e33 27 b_sw2_fall,
Mike Fiore 1:71125aa00e33 28 b_sw2_rise
Mike Fiore 1:71125aa00e33 29 } InternalButtonEvent;
Mike Fiore 1:71125aa00e33 30
Mike Fiore 1:71125aa00e33 31 InternalButtonEvent event = b_none;
Mike Fiore 1:71125aa00e33 32 bool check_sw1 = false;
Mike Fiore 1:71125aa00e33 33
Mike Fiore 1:71125aa00e33 34 void b_worker(void const* argument) {
Mike Fiore 1:71125aa00e33 35 ButtonHandler* b = (ButtonHandler*)argument;
Mike Fiore 1:71125aa00e33 36 osEvent e;
Mike Fiore 1:71125aa00e33 37
Mike Fiore 1:71125aa00e33 38 while (true) {
Mike Fiore 1:71125aa00e33 39 e = Thread::signal_wait(signal, 250);
Mike Fiore 1:71125aa00e33 40 if (e.status == osEventSignal) {
Mike Fiore 1:71125aa00e33 41 switch (event) {
Mike Fiore 1:71125aa00e33 42 case b_sw1_fall:
Mike Fiore 1:71125aa00e33 43 if (! b->_sw1_running) {
Mike Fiore 1:71125aa00e33 44 check_sw1 = true;
Mike Fiore 1:71125aa00e33 45 b->_sw1_running = true;
Mike Fiore 1:71125aa00e33 46 b->_sw1_timer.reset();
Mike Fiore 1:71125aa00e33 47 b->_sw1_timer.start();
Mike Fiore 1:71125aa00e33 48 }
Mike Fiore 1:71125aa00e33 49 break;
Mike Fiore 1:71125aa00e33 50
Mike Fiore 1:71125aa00e33 51 case b_sw1_rise:
Mike Fiore 1:71125aa00e33 52 if (b->_sw1_running) {
Mike Fiore 1:71125aa00e33 53 check_sw1 = false;
Mike Fiore 1:71125aa00e33 54 b->_sw1_running = false;
Mike Fiore 1:71125aa00e33 55 b->_sw1_timer.stop();
Mike Fiore 1:71125aa00e33 56 b->_sw1_time = b->_sw1_timer.read_ms();
Mike Fiore 1:71125aa00e33 57
Mike Fiore 1:71125aa00e33 58 if (b->_sw1_time > b->_debounce_time) {
Mike Fiore 1:71125aa00e33 59 b->_event = ButtonHandler::sw1_press;
Mike Fiore 1:71125aa00e33 60 osSignalSet(b->_main, buttonSignal);
Mike Fiore 1:71125aa00e33 61 }
Mike Fiore 1:71125aa00e33 62 }
Mike Fiore 1:71125aa00e33 63 break;
Mike Fiore 1:71125aa00e33 64
Mike Fiore 1:71125aa00e33 65 case b_sw2_fall:
Mike Fiore 1:71125aa00e33 66 if (! b->_sw2_running) {
Mike Fiore 1:71125aa00e33 67 b->_sw2_running = true;
Mike Fiore 1:71125aa00e33 68 b->_sw2_timer.reset();
Mike Fiore 1:71125aa00e33 69 b->_sw2_timer.start();
Mike Fiore 1:71125aa00e33 70 }
Mike Fiore 1:71125aa00e33 71 break;
Mike Fiore 1:71125aa00e33 72
Mike Fiore 1:71125aa00e33 73 case b_sw2_rise:
Mike Fiore 1:71125aa00e33 74 if (b->_sw2_running) {
Mike Fiore 1:71125aa00e33 75 b->_sw2_running = false;
Mike Fiore 1:71125aa00e33 76 b->_sw2_timer.stop();
Mike Fiore 1:71125aa00e33 77 b->_sw2_time = b->_sw2_timer.read_ms();
Mike Fiore 1:71125aa00e33 78
Mike Fiore 1:71125aa00e33 79 if (b->_sw2_time > b->_debounce_time) {
Mike Fiore 1:71125aa00e33 80 b->_event = ButtonHandler::sw2_press;
Mike Fiore 1:71125aa00e33 81 osSignalSet(b->_main, buttonSignal);
Mike Fiore 1:71125aa00e33 82 }
Mike Fiore 1:71125aa00e33 83 }
Mike Fiore 1:71125aa00e33 84 break;
Mike Fiore 1:71125aa00e33 85
Mike Fiore 1:71125aa00e33 86 default:
Mike Fiore 1:71125aa00e33 87 break;
Mike Fiore 1:71125aa00e33 88 }
Mike Fiore 1:71125aa00e33 89 }
Mike Fiore 1:71125aa00e33 90
Mike Fiore 1:71125aa00e33 91 if (check_sw1) {
Mike Fiore 1:71125aa00e33 92 if (b->_sw1_timer.read_ms() > b->_hold_threshold) {
Mike Fiore 1:71125aa00e33 93 check_sw1 = false;
Mike Fiore 1:71125aa00e33 94 b->_sw1_running = false;
Mike Fiore 1:71125aa00e33 95 b->_sw1_timer.stop();
Mike Fiore 1:71125aa00e33 96 b->_event = ButtonHandler::sw1_hold;
Mike Fiore 1:71125aa00e33 97 osSignalSet(b->_main, buttonSignal);
Mike Fiore 1:71125aa00e33 98 }
Mike Fiore 1:71125aa00e33 99 }
Mike Fiore 1:71125aa00e33 100 }
Mike Fiore 1:71125aa00e33 101 }
Mike Fiore 1:71125aa00e33 102
Mike Fiore 1:71125aa00e33 103 ButtonHandler::ButtonHandler(osThreadId main)
Mike Fiore 1:71125aa00e33 104 : _main(main),
Mike Fiore 1:71125aa00e33 105 _thread(b_worker, (void*)this),
Mike Fiore 1:71125aa00e33 106 _sw1(PA_12),
Mike Fiore 1:71125aa00e33 107 _sw2(PA_11),
Mike Fiore 1:71125aa00e33 108 _sw1_time(0),
Mike Fiore 1:71125aa00e33 109 _sw2_time(0),
Mike Fiore 1:71125aa00e33 110 _sw1_running(false),
Mike Fiore 1:71125aa00e33 111 _sw2_running(false),
Mike Fiore 1:71125aa00e33 112 _event(none),
Mike Fiore 1:71125aa00e33 113 _debounce_time(20),
Mike Fiore 1:71125aa00e33 114 _hold_threshold(500)
Mike Fiore 1:71125aa00e33 115 {
Mike Fiore 1:71125aa00e33 116 // fall handler called on press, rise handler called on release
Mike Fiore 1:71125aa00e33 117 _sw1.fall(this, &ButtonHandler::sw1_fall);
Mike Fiore 1:71125aa00e33 118 _sw1.rise(this, &ButtonHandler::sw1_rise);
Mike Fiore 1:71125aa00e33 119 // need to set mode to PullUp after attaching handlers - default is PullNone (see PinNames.h)
Mike Fiore 1:71125aa00e33 120 _sw1.mode(PullUp);
Mike Fiore 1:71125aa00e33 121
Mike Fiore 1:71125aa00e33 122 _sw2.fall(this, &ButtonHandler::sw2_fall);
Mike Fiore 1:71125aa00e33 123 _sw2.rise(this, &ButtonHandler::sw2_rise);
Mike Fiore 1:71125aa00e33 124 _sw2.mode(PullUp);
Mike Fiore 1:71125aa00e33 125 }
Mike Fiore 1:71125aa00e33 126
Mike Fiore 1:71125aa00e33 127 ButtonHandler::ButtonEvent ButtonHandler::getButtonEvent() {
Mike Fiore 1:71125aa00e33 128 ButtonEvent event = _event;
Mike Fiore 1:71125aa00e33 129 _event = none;
Mike Fiore 1:71125aa00e33 130 return event;
Mike Fiore 1:71125aa00e33 131 }
Mike Fiore 1:71125aa00e33 132
Mike Fiore 1:71125aa00e33 133 void ButtonHandler::sw1_fall() {
Mike Fiore 1:71125aa00e33 134 event = b_sw1_fall;
Mike Fiore 1:71125aa00e33 135 _thread.signal_set(signal);
Mike Fiore 1:71125aa00e33 136 _thread.signal_clr(signal);
Mike Fiore 1:71125aa00e33 137 }
Mike Fiore 1:71125aa00e33 138
Mike Fiore 1:71125aa00e33 139 void ButtonHandler::sw1_rise() {
Mike Fiore 1:71125aa00e33 140 event = b_sw1_rise;
Mike Fiore 1:71125aa00e33 141 _thread.signal_set(signal);
Mike Fiore 1:71125aa00e33 142 _thread.signal_clr(signal);
Mike Fiore 1:71125aa00e33 143 }
Mike Fiore 1:71125aa00e33 144
Mike Fiore 1:71125aa00e33 145 void ButtonHandler::sw2_fall() {
Mike Fiore 1:71125aa00e33 146 event = b_sw2_fall;
Mike Fiore 1:71125aa00e33 147 _thread.signal_set(signal);
Mike Fiore 1:71125aa00e33 148 _thread.signal_clr(signal);
Mike Fiore 1:71125aa00e33 149 }
Mike Fiore 1:71125aa00e33 150
Mike Fiore 1:71125aa00e33 151 void ButtonHandler::sw2_rise() {
Mike Fiore 1:71125aa00e33 152 event = b_sw2_rise;
Mike Fiore 1:71125aa00e33 153 _thread.signal_set(signal);
Mike Fiore 1:71125aa00e33 154 _thread.signal_clr(signal);
Mike Fiore 1:71125aa00e33 155 }
Mike Fiore 1:71125aa00e33 156