Embedded Artists / DMBasicGUI

A basic graphics package for the LPC4088 Display Module.

Dependents:   lpc4088_displaymodule_demo_sphere sampleGUI sampleEmptyGUI lpc4088_displaymodule_fs_aid ... more

Fork of DMBasicGUI by EmbeddedArtists AB

Application/AppLauncher.cpp@0:4977187e90c7, 2014-12-11 (annotated)

Committer:
embeddedartists
Date:
Thu Dec 11 11:03:57 2014 +0000
Revision:
0:4977187e90c7
Child:
3:3fabfe3339b8
First version

Who changed what in which revision?

UserRevisionLine numberNew contents of line
embeddedartists 0:4977187e90c7 1 /*
embeddedartists 0:4977187e90c7 2 * Copyright 2014 Embedded Artists AB
embeddedartists 0:4977187e90c7 3 *
embeddedartists 0:4977187e90c7 4 * Licensed under the Apache License, Version 2.0 (the "License");
embeddedartists 0:4977187e90c7 5 * you may not use this file except in compliance with the License.
embeddedartists 0:4977187e90c7 6 * You may obtain a copy of the License at
embeddedartists 0:4977187e90c7 7 *
embeddedartists 0:4977187e90c7 8 * http://www.apache.org/licenses/LICENSE-2.0
embeddedartists 0:4977187e90c7 9 *
embeddedartists 0:4977187e90c7 10 * Unless required by applicable law or agreed to in writing, software
embeddedartists 0:4977187e90c7 11 * distributed under the License is distributed on an "AS IS" BASIS,
embeddedartists 0:4977187e90c7 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
embeddedartists 0:4977187e90c7 13 * See the License for the specific language governing permissions and
embeddedartists 0:4977187e90c7 14 * limitations under the License.
embeddedartists 0:4977187e90c7 15 */
embeddedartists 0:4977187e90c7 16
embeddedartists 0:4977187e90c7 17
embeddedartists 0:4977187e90c7 18 #include "mbed.h"
embeddedartists 0:4977187e90c7 19 #include "AppLauncher.h"
embeddedartists 0:4977187e90c7 20 #include "AppSettings.h"
embeddedartists 0:4977187e90c7 21 #include "AppTouchCalibration.h"
embeddedartists 0:4977187e90c7 22 #include "AppColorPicker.h"
embeddedartists 0:4977187e90c7 23 #include "AppImageViewer.h"
embeddedartists 0:4977187e90c7 24 #include "lpc_swim_font.h"
embeddedartists 0:4977187e90c7 25 #include "Button.h"
embeddedartists 0:4977187e90c7 26
embeddedartists 0:4977187e90c7 27 /******************************************************************************
embeddedartists 0:4977187e90c7 28 * Defines and typedefs
embeddedartists 0:4977187e90c7 29 *****************************************************************************/
embeddedartists 0:4977187e90c7 30
embeddedartists 0:4977187e90c7 31 #define APP_PREFIX "[Launcher] "
embeddedartists 0:4977187e90c7 32
embeddedartists 0:4977187e90c7 33
embeddedartists 0:4977187e90c7 34 typedef enum {
embeddedartists 0:4977187e90c7 35 NoApplication = -1,
embeddedartists 0:4977187e90c7 36 SettingsApp = 0,
embeddedartists 0:4977187e90c7 37 ColorPicker,
embeddedartists 0:4977187e90c7 38 TouchTestApp,
embeddedartists 0:4977187e90c7 39 ImageViewerApp,
embeddedartists 0:4977187e90c7 40 //SlideshowApp,
embeddedartists 0:4977187e90c7 41 //TouchGFXApp,
embeddedartists 0:4977187e90c7 42 //EmWinApp,
embeddedartists 0:4977187e90c7 43 CalibrationApp = 100,
embeddedartists 0:4977187e90c7 44 } AppID_t;
embeddedartists 0:4977187e90c7 45
embeddedartists 0:4977187e90c7 46 /******************************************************************************
embeddedartists 0:4977187e90c7 47 * Private variables
embeddedartists 0:4977187e90c7 48 *****************************************************************************/
embeddedartists 0:4977187e90c7 49
embeddedartists 0:4977187e90c7 50 static AppID_t appToLaunch = NoApplication;
embeddedartists 0:4977187e90c7 51
embeddedartists 0:4977187e90c7 52 /******************************************************************************
embeddedartists 0:4977187e90c7 53 * Private functions
embeddedartists 0:4977187e90c7 54 *****************************************************************************/
embeddedartists 0:4977187e90c7 55
embeddedartists 0:4977187e90c7 56 static void buttonClicked(uint32_t x)
embeddedartists 0:4977187e90c7 57 {
embeddedartists 0:4977187e90c7 58 if (appToLaunch == NoApplication) {
embeddedartists 0:4977187e90c7 59 appToLaunch = (AppID_t)x;
embeddedartists 0:4977187e90c7 60 }
embeddedartists 0:4977187e90c7 61 }
embeddedartists 0:4977187e90c7 62
embeddedartists 0:4977187e90c7 63 void AppLauncher::addButton(uint32_t buttonID, const char* caption)
embeddedartists 0:4977187e90c7 64 {
embeddedartists 0:4977187e90c7 65 int idx = _usedButtons++;
embeddedartists 0:4977187e90c7 66 int xspace = ((_disp->width() - ButtonColumns * ButtonWidth) / (ButtonColumns + 1));
embeddedartists 0:4977187e90c7 67 int yspace = ((_disp->height() - TitleHeight - ButtonRows * ButtonHeight) / (ButtonRows + 1));
embeddedartists 0:4977187e90c7 68
embeddedartists 0:4977187e90c7 69 _buttons[idx] = new Button(caption, (COLOR_T*)_fb,
embeddedartists 0:4977187e90c7 70 xspace + (ButtonWidth + xspace)*(idx%ButtonColumns),
embeddedartists 0:4977187e90c7 71 TitleHeight + yspace + (ButtonHeight + yspace)*(idx/ButtonColumns),
embeddedartists 0:4977187e90c7 72 ButtonWidth, ButtonHeight);
embeddedartists 0:4977187e90c7 73 _buttons[idx]->setAction(buttonClicked, buttonID);
embeddedartists 0:4977187e90c7 74 _buttons[idx]->draw();
embeddedartists 0:4977187e90c7 75 }
embeddedartists 0:4977187e90c7 76
embeddedartists 0:4977187e90c7 77 void AppLauncher::draw()
embeddedartists 0:4977187e90c7 78 {
embeddedartists 0:4977187e90c7 79 // Prepare fullscreen
embeddedartists 0:4977187e90c7 80 swim_window_open(_win,
embeddedartists 0:4977187e90c7 81 _disp->width(), _disp->height(), // full size
embeddedartists 0:4977187e90c7 82 (COLOR_T*)_fb,
embeddedartists 0:4977187e90c7 83 0,0,_disp->width()-1, _disp->height()-1, // window position and size
embeddedartists 0:4977187e90c7 84 1, // border
embeddedartists 0:4977187e90c7 85 WHITE, RED, BLACK); // colors: pen, backgr, forgr
embeddedartists 0:4977187e90c7 86 swim_set_title(_win, "Demo Program", BLACK);
embeddedartists 0:4977187e90c7 87
embeddedartists 0:4977187e90c7 88 // Add many buttons
embeddedartists 0:4977187e90c7 89 addButton(SettingsApp, "Settings");
embeddedartists 0:4977187e90c7 90 addButton(TouchTestApp, "Test Touch");
embeddedartists 0:4977187e90c7 91 //addButton(SlideshowApp, "Slideshow");
embeddedartists 0:4977187e90c7 92 //addButton(TouchGFXApp, "TouchGFX");
embeddedartists 0:4977187e90c7 93 //addButton(EmWinApp, "emWin");
embeddedartists 0:4977187e90c7 94 addButton(ColorPicker, "Color Picker");
embeddedartists 0:4977187e90c7 95 addButton(ImageViewerApp, "Image Viewer");
embeddedartists 0:4977187e90c7 96 //addButton(5, "Button 5");
embeddedartists 0:4977187e90c7 97 //addButton(6, "Button 6");
embeddedartists 0:4977187e90c7 98 //addButton(7, "Button 7");
embeddedartists 0:4977187e90c7 99 //addButton(8, "Button 8");
embeddedartists 0:4977187e90c7 100 //addButton(9, "Button 9");
embeddedartists 0:4977187e90c7 101
embeddedartists 0:4977187e90c7 102 const char* msg = "(Press physical UserButton >2s to calibrate touch)";
embeddedartists 0:4977187e90c7 103 int w, h;
embeddedartists 0:4977187e90c7 104 swim_get_string_bounds(_win, msg, &w, &h);
embeddedartists 0:4977187e90c7 105 swim_put_text_xy(_win, msg, (_disp->width()-w)/2, _disp->height()-h*4);
embeddedartists 0:4977187e90c7 106 }
embeddedartists 0:4977187e90c7 107
embeddedartists 0:4977187e90c7 108 /******************************************************************************
embeddedartists 0:4977187e90c7 109 * Public functions
embeddedartists 0:4977187e90c7 110 *****************************************************************************/
embeddedartists 0:4977187e90c7 111
embeddedartists 0:4977187e90c7 112 AppLauncher::AppLauncher() : _disp(NULL), _win(NULL), _fb(NULL), _usedButtons(0)
embeddedartists 0:4977187e90c7 113 {
embeddedartists 0:4977187e90c7 114 for (int i = 0; i < NumberOfButtons; i++) {
embeddedartists 0:4977187e90c7 115 _buttons[i] = NULL;
embeddedartists 0:4977187e90c7 116 }
embeddedartists 0:4977187e90c7 117 }
embeddedartists 0:4977187e90c7 118
embeddedartists 0:4977187e90c7 119 AppLauncher::~AppLauncher()
embeddedartists 0:4977187e90c7 120 {
embeddedartists 0:4977187e90c7 121 teardown();
embeddedartists 0:4977187e90c7 122 }
embeddedartists 0:4977187e90c7 123
embeddedartists 0:4977187e90c7 124 bool AppLauncher::setup()
embeddedartists 0:4977187e90c7 125 {
embeddedartists 0:4977187e90c7 126 RtosLog* log = DMBoard::instance().logger();
embeddedartists 0:4977187e90c7 127
embeddedartists 0:4977187e90c7 128 _disp = DMBoard::instance().display();
embeddedartists 0:4977187e90c7 129 _win = (SWIM_WINDOW_T*)malloc(sizeof(SWIM_WINDOW_T));
embeddedartists 0:4977187e90c7 130 _fb = _disp->allocateFramebuffer();
embeddedartists 0:4977187e90c7 131
embeddedartists 0:4977187e90c7 132 if (_win == NULL || _fb == NULL) {
embeddedartists 0:4977187e90c7 133 log->printf(APP_PREFIX"Failed to allocate memory for framebuffer\r\n");
embeddedartists 0:4977187e90c7 134 return false;
embeddedartists 0:4977187e90c7 135 }
embeddedartists 0:4977187e90c7 136
embeddedartists 0:4977187e90c7 137 return true;
embeddedartists 0:4977187e90c7 138 }
embeddedartists 0:4977187e90c7 139
embeddedartists 0:4977187e90c7 140 void AppLauncher::runToCompletion()
embeddedartists 0:4977187e90c7 141 {
embeddedartists 0:4977187e90c7 142 DMBoard* board = &DMBoard::instance();
embeddedartists 0:4977187e90c7 143 RtosLog* log = board->logger();
embeddedartists 0:4977187e90c7 144
embeddedartists 0:4977187e90c7 145 // Draw something on the framebuffer before using it so that it doesn't look garbled
embeddedartists 0:4977187e90c7 146 draw();
embeddedartists 0:4977187e90c7 147
embeddedartists 0:4977187e90c7 148 // Start display in default mode (16-bit)
embeddedartists 0:4977187e90c7 149 Display::DisplayError disperr = _disp->powerUp(_fb);
embeddedartists 0:4977187e90c7 150 if (disperr != Display::Ok) {
embeddedartists 0:4977187e90c7 151 log->printf(APP_PREFIX"Failed to initialize the display, got error %d\r\n", disperr);
embeddedartists 0:4977187e90c7 152 return;
embeddedartists 0:4977187e90c7 153 }
embeddedartists 0:4977187e90c7 154
embeddedartists 0:4977187e90c7 155 // To keep track of the button pushes
embeddedartists 0:4977187e90c7 156 Timer buttonTimer;
embeddedartists 0:4977187e90c7 157 bool buttonPressed = false;
embeddedartists 0:4977187e90c7 158
embeddedartists 0:4977187e90c7 159 // Wait for touches
embeddedartists 0:4977187e90c7 160 TouchPanel* touch = board->touchPanel();
embeddedartists 0:4977187e90c7 161 TouchPanel::touchCoordinate_t coord;
embeddedartists 0:4977187e90c7 162 while(touch->read(coord)) {
embeddedartists 0:4977187e90c7 163
embeddedartists 0:4977187e90c7 164 // Process the touch coordinate for each button
embeddedartists 0:4977187e90c7 165 for (int i = 0; i < NumberOfButtons; i++) {
embeddedartists 0:4977187e90c7 166 if (_buttons[i] != NULL) {
embeddedartists 0:4977187e90c7 167 if (_buttons[i]->handle(coord.x, coord.y, coord.z > 0)) {
embeddedartists 0:4977187e90c7 168 _buttons[i]->draw();
embeddedartists 0:4977187e90c7 169 }
embeddedartists 0:4977187e90c7 170 }
embeddedartists 0:4977187e90c7 171 }
embeddedartists 0:4977187e90c7 172
embeddedartists 0:4977187e90c7 173 // Check if the physical USER button on the board has been pressed
embeddedartists 0:4977187e90c7 174 if (appToLaunch == NoApplication) {
embeddedartists 0:4977187e90c7 175 if (board->buttonPressed()) {
embeddedartists 0:4977187e90c7 176 if (buttonPressed) {
embeddedartists 0:4977187e90c7 177 if (buttonTimer.read_ms() > 2000) {
embeddedartists 0:4977187e90c7 178 // User has pressed the button more than two seconds.
embeddedartists 0:4977187e90c7 179 // Start calibration application
embeddedartists 0:4977187e90c7 180 appToLaunch = CalibrationApp;
embeddedartists 0:4977187e90c7 181 buttonTimer.stop();
embeddedartists 0:4977187e90c7 182 buttonPressed = false;
embeddedartists 0:4977187e90c7 183 }
embeddedartists 0:4977187e90c7 184 } else {
embeddedartists 0:4977187e90c7 185 buttonTimer.reset();
embeddedartists 0:4977187e90c7 186 buttonTimer.start();
embeddedartists 0:4977187e90c7 187 buttonPressed = true;
embeddedartists 0:4977187e90c7 188 }
embeddedartists 0:4977187e90c7 189 } else if (buttonPressed) {
embeddedartists 0:4977187e90c7 190 buttonTimer.stop();
embeddedartists 0:4977187e90c7 191 buttonPressed = false;
embeddedartists 0:4977187e90c7 192 }
embeddedartists 0:4977187e90c7 193 } else {
embeddedartists 0:4977187e90c7 194 // pressing the display buttons take precedence so disregard the
embeddedartists 0:4977187e90c7 195 // USER button
embeddedartists 0:4977187e90c7 196 buttonTimer.stop();
embeddedartists 0:4977187e90c7 197 buttonPressed = false;
embeddedartists 0:4977187e90c7 198 }
embeddedartists 0:4977187e90c7 199
embeddedartists 0:4977187e90c7 200 if (appToLaunch != NoApplication) {
embeddedartists 0:4977187e90c7 201 App* a = NULL;
embeddedartists 0:4977187e90c7 202 switch (appToLaunch) {
embeddedartists 0:4977187e90c7 203 case SettingsApp:
embeddedartists 0:4977187e90c7 204 a = new AppSettings();
embeddedartists 0:4977187e90c7 205 break;
embeddedartists 0:4977187e90c7 206 case CalibrationApp:
embeddedartists 0:4977187e90c7 207 a = new AppTouchCalibration();
embeddedartists 0:4977187e90c7 208 break;
embeddedartists 0:4977187e90c7 209 case ColorPicker:
embeddedartists 0:4977187e90c7 210 a = new AppColorPicker();
embeddedartists 0:4977187e90c7 211 break;
embeddedartists 0:4977187e90c7 212 case ImageViewerApp:
embeddedartists 0:4977187e90c7 213 a = new AppImageViewer();
embeddedartists 0:4977187e90c7 214 break;
embeddedartists 0:4977187e90c7 215 default:
embeddedartists 0:4977187e90c7 216 break;
embeddedartists 0:4977187e90c7 217 }
embeddedartists 0:4977187e90c7 218 if (a != NULL) {
embeddedartists 0:4977187e90c7 219 if (a->setup()) {
embeddedartists 0:4977187e90c7 220 a->runToCompletion();
embeddedartists 0:4977187e90c7 221 a->teardown();
embeddedartists 0:4977187e90c7 222 }
embeddedartists 0:4977187e90c7 223 delete a;
embeddedartists 0:4977187e90c7 224 }
embeddedartists 0:4977187e90c7 225 appToLaunch = NoApplication;
embeddedartists 0:4977187e90c7 226 }
embeddedartists 0:4977187e90c7 227 }
embeddedartists 0:4977187e90c7 228 }
embeddedartists 0:4977187e90c7 229
embeddedartists 0:4977187e90c7 230 bool AppLauncher::teardown()
embeddedartists 0:4977187e90c7 231 {
embeddedartists 0:4977187e90c7 232 if (_win != NULL) {
embeddedartists 0:4977187e90c7 233 free(_win);
embeddedartists 0:4977187e90c7 234 _win = NULL;
embeddedartists 0:4977187e90c7 235 }
embeddedartists 0:4977187e90c7 236 if (_fb != NULL) {
embeddedartists 0:4977187e90c7 237 free(_fb);
embeddedartists 0:4977187e90c7 238 _fb = NULL;
embeddedartists 0:4977187e90c7 239 }
embeddedartists 0:4977187e90c7 240 for (int i = 0; i < NumberOfButtons; i++) {
embeddedartists 0:4977187e90c7 241 _buttons[i] = NULL;
embeddedartists 0:4977187e90c7 242 if (_buttons[i] != NULL) {
embeddedartists 0:4977187e90c7 243 delete _buttons[i];
embeddedartists 0:4977187e90c7 244 _buttons[i] = NULL;
embeddedartists 0:4977187e90c7 245 }
embeddedartists 0:4977187e90c7 246 }
embeddedartists 0:4977187e90c7 247 return true;
embeddedartists 0:4977187e90c7 248 }
embeddedartists 0:4977187e90c7 249
embeddedartists 0:4977187e90c7 250