Empty Launcher for the LPC4088. Base code
Dependencies: DMBasicGUI DMSupport
Fork of lpc4088_displaymodule_empty_launcher by
AppTemplate.cpp@0:71e474187082, 2015-02-20 (annotated)
- Committer:
- alindvall
- Date:
- Fri Feb 20 12:24:05 2015 +0000
- Revision:
- 0:71e474187082
First version
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
alindvall | 0:71e474187082 | 1 | /* |
alindvall | 0:71e474187082 | 2 | * Copyright 2014 Embedded Artists AB |
alindvall | 0:71e474187082 | 3 | * |
alindvall | 0:71e474187082 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
alindvall | 0:71e474187082 | 5 | * you may not use this file except in compliance with the License. |
alindvall | 0:71e474187082 | 6 | * You may obtain a copy of the License at |
alindvall | 0:71e474187082 | 7 | * |
alindvall | 0:71e474187082 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
alindvall | 0:71e474187082 | 9 | * |
alindvall | 0:71e474187082 | 10 | * Unless required by applicable law or agreed to in writing, software |
alindvall | 0:71e474187082 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
alindvall | 0:71e474187082 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
alindvall | 0:71e474187082 | 13 | * See the License for the specific language governing permissions and |
alindvall | 0:71e474187082 | 14 | * limitations under the License. |
alindvall | 0:71e474187082 | 15 | */ |
alindvall | 0:71e474187082 | 16 | |
alindvall | 0:71e474187082 | 17 | |
alindvall | 0:71e474187082 | 18 | #include "mbed.h" |
alindvall | 0:71e474187082 | 19 | #include "AppTemplate.h" |
alindvall | 0:71e474187082 | 20 | #include "lpc_swim_font.h" |
alindvall | 0:71e474187082 | 21 | #include "lpc_colors.h" |
alindvall | 0:71e474187082 | 22 | #include "image_data.h" |
alindvall | 0:71e474187082 | 23 | |
alindvall | 0:71e474187082 | 24 | /****************************************************************************** |
alindvall | 0:71e474187082 | 25 | * Defines and typedefs |
alindvall | 0:71e474187082 | 26 | *****************************************************************************/ |
alindvall | 0:71e474187082 | 27 | |
alindvall | 0:71e474187082 | 28 | #define BTN_WIDTH 65 |
alindvall | 0:71e474187082 | 29 | #define BTN_HEIGHT 40 |
alindvall | 0:71e474187082 | 30 | #define BTN_OFF 20 |
alindvall | 0:71e474187082 | 31 | |
alindvall | 0:71e474187082 | 32 | /****************************************************************************** |
alindvall | 0:71e474187082 | 33 | * Local variables |
alindvall | 0:71e474187082 | 34 | *****************************************************************************/ |
alindvall | 0:71e474187082 | 35 | |
alindvall | 0:71e474187082 | 36 | |
alindvall | 0:71e474187082 | 37 | /****************************************************************************** |
alindvall | 0:71e474187082 | 38 | * Private functions |
alindvall | 0:71e474187082 | 39 | *****************************************************************************/ |
alindvall | 0:71e474187082 | 40 | |
alindvall | 0:71e474187082 | 41 | static void buttonClicked(uint32_t x) |
alindvall | 0:71e474187082 | 42 | { |
alindvall | 0:71e474187082 | 43 | bool* done = (bool*)x; |
alindvall | 0:71e474187082 | 44 | *done = true; |
alindvall | 0:71e474187082 | 45 | } |
alindvall | 0:71e474187082 | 46 | |
alindvall | 0:71e474187082 | 47 | void AppTemplate::draw() |
alindvall | 0:71e474187082 | 48 | { |
alindvall | 0:71e474187082 | 49 | // Prepare fullscreen |
alindvall | 0:71e474187082 | 50 | swim_window_open(_win, |
alindvall | 0:71e474187082 | 51 | _disp->width(), _disp->height(), // full size |
alindvall | 0:71e474187082 | 52 | (COLOR_T*)_fb, |
alindvall | 0:71e474187082 | 53 | 0,0,_disp->width()-1, _disp->height()-1, // window position and size |
alindvall | 0:71e474187082 | 54 | 0, // border |
alindvall | 0:71e474187082 | 55 | BLUE, WHITE, BLACK); // colors: pen, backgr, forgr |
alindvall | 0:71e474187082 | 56 | |
alindvall | 0:71e474187082 | 57 | // Show a message |
alindvall | 0:71e474187082 | 58 | swim_put_text_xy(_win, "Hello World!", 100, 100); |
alindvall | 0:71e474187082 | 59 | |
alindvall | 0:71e474187082 | 60 | // Create the OK button that will end this application |
alindvall | 0:71e474187082 | 61 | _btn = new ImageButton(_win->fb, _win->xpmax - BTN_OFF - BTN_WIDTH, _win->ypmax - BTN_OFF - BTN_HEIGHT, BTN_WIDTH, BTN_HEIGHT); |
alindvall | 0:71e474187082 | 62 | _btn->loadImages(img_ok, img_size_ok); |
alindvall | 0:71e474187082 | 63 | _btn->draw(); |
alindvall | 0:71e474187082 | 64 | } |
alindvall | 0:71e474187082 | 65 | |
alindvall | 0:71e474187082 | 66 | /****************************************************************************** |
alindvall | 0:71e474187082 | 67 | * Public functions |
alindvall | 0:71e474187082 | 68 | *****************************************************************************/ |
alindvall | 0:71e474187082 | 69 | |
alindvall | 0:71e474187082 | 70 | AppTemplate::AppTemplate() : _disp(NULL), _win(NULL), _fb(NULL), _btn(NULL) |
alindvall | 0:71e474187082 | 71 | { |
alindvall | 0:71e474187082 | 72 | } |
alindvall | 0:71e474187082 | 73 | |
alindvall | 0:71e474187082 | 74 | AppTemplate::~AppTemplate() |
alindvall | 0:71e474187082 | 75 | { |
alindvall | 0:71e474187082 | 76 | teardown(); |
alindvall | 0:71e474187082 | 77 | } |
alindvall | 0:71e474187082 | 78 | |
alindvall | 0:71e474187082 | 79 | bool AppTemplate::setup() |
alindvall | 0:71e474187082 | 80 | { |
alindvall | 0:71e474187082 | 81 | _disp = DMBoard::instance().display(); |
alindvall | 0:71e474187082 | 82 | _win = (SWIM_WINDOW_T*)malloc(sizeof(SWIM_WINDOW_T)); |
alindvall | 0:71e474187082 | 83 | _fb = _disp->allocateFramebuffer(); |
alindvall | 0:71e474187082 | 84 | |
alindvall | 0:71e474187082 | 85 | return (_win != NULL && _fb != NULL); |
alindvall | 0:71e474187082 | 86 | } |
alindvall | 0:71e474187082 | 87 | |
alindvall | 0:71e474187082 | 88 | void AppTemplate::runToCompletion() |
alindvall | 0:71e474187082 | 89 | { |
alindvall | 0:71e474187082 | 90 | // Draw on the frame buffer |
alindvall | 0:71e474187082 | 91 | draw(); |
alindvall | 0:71e474187082 | 92 | |
alindvall | 0:71e474187082 | 93 | // Configure the button to call buttonClicked() when clicked |
alindvall | 0:71e474187082 | 94 | bool done = false; |
alindvall | 0:71e474187082 | 95 | _btn->setAction(buttonClicked, (uint32_t)&done); |
alindvall | 0:71e474187082 | 96 | |
alindvall | 0:71e474187082 | 97 | // Switch to "our" frame buffer, but save the old one so it can be |
alindvall | 0:71e474187082 | 98 | // restored when we exit our application |
alindvall | 0:71e474187082 | 99 | void* oldFB = _disp->swapFramebuffer(_fb); |
alindvall | 0:71e474187082 | 100 | |
alindvall | 0:71e474187082 | 101 | TouchPanel* touch = DMBoard::instance().touchPanel(); |
alindvall | 0:71e474187082 | 102 | touch_coordinate_t coord; |
alindvall | 0:71e474187082 | 103 | while(!done) { |
alindvall | 0:71e474187082 | 104 | // wait for a new touch signal (signal is sent from AppLauncher, |
alindvall | 0:71e474187082 | 105 | // which listens for touch events) |
alindvall | 0:71e474187082 | 106 | Thread::signal_wait(0x1); |
alindvall | 0:71e474187082 | 107 | if (touch->read(coord) == TouchPanel::TouchError_Ok) { |
alindvall | 0:71e474187082 | 108 | |
alindvall | 0:71e474187082 | 109 | // you can do something where with the touch event if you like |
alindvall | 0:71e474187082 | 110 | // for example |
alindvall | 0:71e474187082 | 111 | // |
alindvall | 0:71e474187082 | 112 | // swim_put_circle(_win, coord.x, coord.y, 2, 1); |
alindvall | 0:71e474187082 | 113 | // |
alindvall | 0:71e474187082 | 114 | |
alindvall | 0:71e474187082 | 115 | |
alindvall | 0:71e474187082 | 116 | // See if the touch event effects the button |
alindvall | 0:71e474187082 | 117 | if (_btn->handle(coord.x, coord.y, coord.z > 0)) { |
alindvall | 0:71e474187082 | 118 | _btn->draw(); |
alindvall | 0:71e474187082 | 119 | } |
alindvall | 0:71e474187082 | 120 | } |
alindvall | 0:71e474187082 | 121 | } |
alindvall | 0:71e474187082 | 122 | |
alindvall | 0:71e474187082 | 123 | // User has clicked the button, restore the original frame buffer |
alindvall | 0:71e474187082 | 124 | _disp->swapFramebuffer(oldFB); |
alindvall | 0:71e474187082 | 125 | swim_window_close(_win); |
alindvall | 0:71e474187082 | 126 | } |
alindvall | 0:71e474187082 | 127 | |
alindvall | 0:71e474187082 | 128 | bool AppTemplate::teardown() |
alindvall | 0:71e474187082 | 129 | { |
alindvall | 0:71e474187082 | 130 | if (_win != NULL) { |
alindvall | 0:71e474187082 | 131 | free(_win); |
alindvall | 0:71e474187082 | 132 | _win = NULL; |
alindvall | 0:71e474187082 | 133 | } |
alindvall | 0:71e474187082 | 134 | if (_fb != NULL) { |
alindvall | 0:71e474187082 | 135 | free(_fb); |
alindvall | 0:71e474187082 | 136 | _fb = NULL; |
alindvall | 0:71e474187082 | 137 | } |
alindvall | 0:71e474187082 | 138 | if (_btn != NULL) { |
alindvall | 0:71e474187082 | 139 | delete _btn; |
alindvall | 0:71e474187082 | 140 | _btn = NULL; |
alindvall | 0:71e474187082 | 141 | } |
alindvall | 0:71e474187082 | 142 | return true; |
alindvall | 0:71e474187082 | 143 | } |
alindvall | 0:71e474187082 | 144 |