Hendrik Lipka
touch screen handler for the microchip AR1020
AreaTouchHandler.h@4:510ea5b28a05, 2011-02-24 (annotated)
- Committer:
- hlipka
- Date:
- Thu Feb 24 14:00:17 2011 +0000
- Revision:
- 4:510ea5b28a05
- Parent:
- 1:264ad2a00fd9
better documentation
added power handling (AR1020 is switched on by this library now)
added touch area handler for easier creation of menus and the like
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| hlipka | 4:510ea5b28a05 | 1 | /* |
| hlipka | 4:510ea5b28a05 | 2 | * mbed AR1020 library |
| hlipka | 4:510ea5b28a05 | 3 | * Copyright (c) 2010 Hendrik Lipka |
| hlipka | 4:510ea5b28a05 | 4 | * |
| hlipka | 4:510ea5b28a05 | 5 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| hlipka | 4:510ea5b28a05 | 6 | * of this software and associated documentation files (the "Software"), to deal |
| hlipka | 4:510ea5b28a05 | 7 | * in the Software without restriction, including without limitation the rights |
| hlipka | 4:510ea5b28a05 | 8 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| hlipka | 4:510ea5b28a05 | 9 | * copies of the Software, and to permit persons to whom the Software is |
| hlipka | 4:510ea5b28a05 | 10 | * furnished to do so, subject to the following conditions: |
| hlipka | 4:510ea5b28a05 | 11 | * |
| hlipka | 4:510ea5b28a05 | 12 | * The above copyright notice and this permission notice shall be included in |
| hlipka | 4:510ea5b28a05 | 13 | * all copies or substantial portions of the Software. |
| hlipka | 4:510ea5b28a05 | 14 | * |
| hlipka | 4:510ea5b28a05 | 15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| hlipka | 4:510ea5b28a05 | 16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| hlipka | 4:510ea5b28a05 | 17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| hlipka | 4:510ea5b28a05 | 18 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| hlipka | 4:510ea5b28a05 | 19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| hlipka | 4:510ea5b28a05 | 20 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| hlipka | 4:510ea5b28a05 | 21 | * THE SOFTWARE. |
| hlipka | 4:510ea5b28a05 | 22 | */ |
| hlipka | 4:510ea5b28a05 | 23 | |
| hlipka | 4:510ea5b28a05 | 24 | #ifndef __AREATOUCHHANDLER_H__ |
| hlipka | 4:510ea5b28a05 | 25 | #define __AREATOUCHHANDLER_H__ |
| hlipka | 4:510ea5b28a05 | 26 | |
| hlipka | 4:510ea5b28a05 | 27 | #include "mbed.h" |
| hlipka | 4:510ea5b28a05 | 28 | #include "FPointer.h" |
| hlipka | 4:510ea5b28a05 | 29 | #include "touchpanel.h" |
| hlipka | 4:510ea5b28a05 | 30 | #include <list> |
| hlipka | 4:510ea5b28a05 | 31 | |
| hlipka | 4:510ea5b28a05 | 32 | class area; |
| hlipka | 4:510ea5b28a05 | 33 | |
| hlipka | 4:510ea5b28a05 | 34 | /** |
| hlipka | 4:510ea5b28a05 | 35 | this class registers itself with a touch screen controller, and listens for touch events. |
| hlipka | 4:510ea5b28a05 | 36 | If an event matches a prefined region, the callback function is called with the corresponding command code. |
| hlipka | 4:510ea5b28a05 | 37 | */ |
| hlipka | 4:510ea5b28a05 | 38 | class AreaTouchHandler |
| hlipka | 4:510ea5b28a05 | 39 | { |
| hlipka | 4:510ea5b28a05 | 40 | public: |
| hlipka | 4:510ea5b28a05 | 41 | /** |
| hlipka | 4:510ea5b28a05 | 42 | creates the handler, and attaches it to the given touch panel |
| hlipka | 4:510ea5b28a05 | 43 | @params pane the touch panel to listen to |
| hlipka | 4:510ea5b28a05 | 44 | */ |
| hlipka | 4:510ea5b28a05 | 45 | AreaTouchHandler(TouchPanel* panel); |
| hlipka | 4:510ea5b28a05 | 46 | /** |
| hlipka | 4:510ea5b28a05 | 47 | set the callback method |
| hlipka | 4:510ea5b28a05 | 48 | @params item the callback object |
| hlipka | 4:510ea5b28a05 | 49 | @params method the callback method |
| hlipka | 4:510ea5b28a05 | 50 | */ |
| hlipka | 4:510ea5b28a05 | 51 | class T; |
| hlipka | 4:510ea5b28a05 | 52 | template<class T> |
| hlipka | 4:510ea5b28a05 | 53 | void attach(T* item, uint32_t (T::*method)(uint32_t)) { _callback.attach(item, method); } |
| hlipka | 4:510ea5b28a05 | 54 | /** |
| hlipka | 4:510ea5b28a05 | 55 | set the callback method |
| hlipka | 4:510ea5b28a05 | 56 | @params function the callback function |
| hlipka | 4:510ea5b28a05 | 57 | */ |
| hlipka | 4:510ea5b28a05 | 58 | void attach(uint32_t (*function)(uint32_t)) { _callback.attach(function); } |
| hlipka | 4:510ea5b28a05 | 59 | |
| hlipka | 4:510ea5b28a05 | 60 | /** |
| hlipka | 4:510ea5b28a05 | 61 | defines the command for a specific region |
| hlipka | 4:510ea5b28a05 | 62 | @params top the top of the region (y) |
| hlipka | 4:510ea5b28a05 | 63 | @params bottom the bottom of the region (y) |
| hlipka | 4:510ea5b28a05 | 64 | @params the left side of the region (x) |
| hlipka | 4:510ea5b28a05 | 65 | @params the right side of the region (x) |
| hlipka | 4:510ea5b28a05 | 66 | @params the command code for this region |
| hlipka | 4:510ea5b28a05 | 67 | */ |
| hlipka | 4:510ea5b28a05 | 68 | void addArea(int top, int bottom, int left, int right, int commandCode); |
| hlipka | 4:510ea5b28a05 | 69 | private: |
| hlipka | 4:510ea5b28a05 | 70 | FPointer _callback; |
| hlipka | 4:510ea5b28a05 | 71 | std::list<area*> _areas; |
| hlipka | 4:510ea5b28a05 | 72 | uint32_t down(uint32_t arg); |
| hlipka | 4:510ea5b28a05 | 73 | uint32_t move(uint32_t arg); |
| hlipka | 4:510ea5b28a05 | 74 | uint32_t up(uint32_t arg); |
| hlipka | 4:510ea5b28a05 | 75 | |
| hlipka | 4:510ea5b28a05 | 76 | int findCommand(); |
| hlipka | 4:510ea5b28a05 | 77 | |
| hlipka | 4:510ea5b28a05 | 78 | float _x, _y; |
| hlipka | 4:510ea5b28a05 | 79 | int _samples; |
| hlipka | 4:510ea5b28a05 | 80 | bool _called; |
| hlipka | 4:510ea5b28a05 | 81 | }; |
| hlipka | 4:510ea5b28a05 | 82 | |
| hlipka | 4:510ea5b28a05 | 83 | |
| hlipka | 4:510ea5b28a05 | 84 | #endif |
AR1020