bzr branch
http://bzr.ed.am/elec/propeller-clock
| 58
by edam removed Bounce library and updated/fixed new code | 1 | /* | 
| 2 | * button.h | |
| 3 | * | |
| 4 | * Copyright (C) 2011 Tim Marston <tim@ed.am> and Dan Marston. | |
| 5 | * | |
| 6 | * This file is part of propeller-clock (hereafter referred to as "this | |
| 7 | * program"). See http://ed.am/dev/software/arduino/propeller-clock for more | |
| 8 | * information. | |
| 9 | * | |
| 10 | * This program is free software: you can redistribute it and/or modify | |
| 11 | * it under the terms of the GNU Lesser General Public License as published | |
| 12 | * by the Free Software Foundation, either version 3 of the License, or | |
| 13 | * (at your option) any later version. | |
| 14 | * | |
| 15 | * This program is distributed in the hope that it will be useful, | |
| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 18 | * GNU Lesser General Public License for more details. | |
| 19 | * | |
| 20 | * You should have received a copy of the GNU Lesser General Public License | |
| 21 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 22 | */ | |
| 23 | #ifndef _BUTTON_H_ | |
| 24 | #define _BUTTON_H_ | |
| 25 | ||
| 26 | ||
| 56
by edam updated software to include drawing abstraction infrastructure | 27 | #include <map> | 
| 28 | ||
| 58
by edam removed Bounce library and updated/fixed new code | 29 | |
| 56
by edam updated software to include drawing abstraction infrastructure | 30 | class Button | 
| 31 | {
 | |
| 32 | public: | |
| 33 | ||
| 34 | /** | |
| 35 | * Constructor. | |
| 36 | * | |
| 37 | * @param pin the pin to monitor | |
| 38 | */ | |
| 39 | Button( int pin ); | |
| 40 | ||
| 41 | /** | |
| 42 | * Add a duration at which the specified event id should be triggered. | |
| 43 | * | |
| 44 | * @oaram duration the time at which the event should be triggered | |
| 45 | * @param event_id a unique identifier for the event (not 0) | |
| 46 | */ | |
| 47 | void add_event_at( int duration, int event_id ); | |
| 48 | ||
| 49 | /** | |
| 50 | * Update internal state | |
| 51 | */ | |
| 52 | int update(); | |
| 53 | ||
| 54 | /** | |
| 55 | * Retrieve the event id of the event that was triggered at the last | |
| 56 | * update, if there was one. | |
| 57 | * | |
| 58 | * @return event id, or 0 | |
| 59 | */ | |
| 60 | int get_triggered_event(); | |
| 61 | ||
| 62 | protected: | |
| 63 | ||
| 64 | /** pin */ | |
| 65 | int _pin; | |
| 66 | ||
| 58
by edam removed Bounce library and updated/fixed new code | 67 | /** current state */ | 
| 68 | bool _state; | |
| 69 | ||
| 70 | /** time when current state began */ | |
| 71 | unsigned long _state_millis; | |
| 72 | ||
| 73 | /** milliseconds that have been accountred for (in terms of | |
| 74 | * triggering events) since current state began */ | |
| 75 | unsigned long _state_duration; | |
| 56
by edam updated software to include drawing abstraction infrastructure | 76 | |
| 77 | /** triggered event */ | |
| 78 | int _event_id; | |
| 79 | ||
| 80 | /** press events durations -> event ids */ | |
| 81 | std::map< int, int > _press_events; | |
| 82 | ||
| 83 | }; | |
| 58
by edam removed Bounce library and updated/fixed new code | 84 | |
| 85 | ||
| 86 | #endif //_BUTTON_H_ |