Example using the application launcher.
Dependencies: DMBasicGUI DMSupport
Example use of the AppLauncher class in the DMBasicGUI library.
This project is used in the TBD
guide as a starting point when creating your own menu system. It can also be selected as a template when creating a new project based on the LPC4088 Display Module.
Information
This project works on both the 4.3" and 5" display modules.
This is what it looks like:
If you click on the Something button:
Revision 0:71e474187082, committed 2015-02-20
- Comitter:
- alindvall
- Date:
- Fri Feb 20 12:24:05 2015 +0000
- Child:
- 1:2b9c48157f2d
- Commit message:
- First version
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/AppTemplate.cpp Fri Feb 20 12:24:05 2015 +0000 @@ -0,0 +1,144 @@ +/* + * Copyright 2014 Embedded Artists AB + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + + +#include "mbed.h" +#include "AppTemplate.h" +#include "lpc_swim_font.h" +#include "lpc_colors.h" +#include "image_data.h" + +/****************************************************************************** + * Defines and typedefs + *****************************************************************************/ + +#define BTN_WIDTH 65 +#define BTN_HEIGHT 40 +#define BTN_OFF 20 + +/****************************************************************************** + * Local variables + *****************************************************************************/ + + +/****************************************************************************** + * Private functions + *****************************************************************************/ + +static void buttonClicked(uint32_t x) +{ + bool* done = (bool*)x; + *done = true; +} + +void AppTemplate::draw() +{ + // Prepare fullscreen + swim_window_open(_win, + _disp->width(), _disp->height(), // full size + (COLOR_T*)_fb, + 0,0,_disp->width()-1, _disp->height()-1, // window position and size + 0, // border + BLUE, WHITE, BLACK); // colors: pen, backgr, forgr + + // Show a message + swim_put_text_xy(_win, "Hello World!", 100, 100); + + // Create the OK button that will end this application + _btn = new ImageButton(_win->fb, _win->xpmax - BTN_OFF - BTN_WIDTH, _win->ypmax - BTN_OFF - BTN_HEIGHT, BTN_WIDTH, BTN_HEIGHT); + _btn->loadImages(img_ok, img_size_ok); + _btn->draw(); +} + +/****************************************************************************** + * Public functions + *****************************************************************************/ + +AppTemplate::AppTemplate() : _disp(NULL), _win(NULL), _fb(NULL), _btn(NULL) +{ +} + +AppTemplate::~AppTemplate() +{ + teardown(); +} + +bool AppTemplate::setup() +{ + _disp = DMBoard::instance().display(); + _win = (SWIM_WINDOW_T*)malloc(sizeof(SWIM_WINDOW_T)); + _fb = _disp->allocateFramebuffer(); + + return (_win != NULL && _fb != NULL); +} + +void AppTemplate::runToCompletion() +{ + // Draw on the frame buffer + draw(); + + // Configure the button to call buttonClicked() when clicked + bool done = false; + _btn->setAction(buttonClicked, (uint32_t)&done); + + // Switch to "our" frame buffer, but save the old one so it can be + // restored when we exit our application + void* oldFB = _disp->swapFramebuffer(_fb); + + TouchPanel* touch = DMBoard::instance().touchPanel(); + touch_coordinate_t coord; + while(!done) { + // wait for a new touch signal (signal is sent from AppLauncher, + // which listens for touch events) + Thread::signal_wait(0x1); + if (touch->read(coord) == TouchPanel::TouchError_Ok) { + + // you can do something where with the touch event if you like + // for example + // + // swim_put_circle(_win, coord.x, coord.y, 2, 1); + // + + + // See if the touch event effects the button + if (_btn->handle(coord.x, coord.y, coord.z > 0)) { + _btn->draw(); + } + } + } + + // User has clicked the button, restore the original frame buffer + _disp->swapFramebuffer(oldFB); + swim_window_close(_win); +} + +bool AppTemplate::teardown() +{ + if (_win != NULL) { + free(_win); + _win = NULL; + } + if (_fb != NULL) { + free(_fb); + _fb = NULL; + } + if (_btn != NULL) { + delete _btn; + _btn = NULL; + } + return true; +} +
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/AppTemplate.h Fri Feb 20 12:24:05 2015 +0000 @@ -0,0 +1,48 @@ +/* + * Copyright 2014 Embedded Artists AB + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef APP_TEMPLATE_H +#define APP_TEMPLATE_H + +#include "App.h" +#include "DMBoard.h" +#include "lpc_swim.h" +#include "ImageButton.h" + +/** + * An App example. + */ +class AppTemplate : public App { +public: + + AppTemplate(); + virtual ~AppTemplate(); + + virtual bool setup(); + virtual void runToCompletion(); + virtual bool teardown(); + +private: + Display* _disp; + SWIM_WINDOW_T* _win; + void* _fb; + ImageButton* _btn; + + void draw(); +}; + +#endif +
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/DMBasicGUI.lib Fri Feb 20 12:24:05 2015 +0000 @@ -0,0 +1,1 @@ +http://developer.mbed.org/teams/Embedded-Artists/code/DMBasicGUI/#53601973f7eb
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/DMSupport.lib Fri Feb 20 12:24:05 2015 +0000 @@ -0,0 +1,1 @@ +http://developer.mbed.org/teams/Embedded-Artists/code/DMSupport/#8a0a99d54bf8
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dm_board_config.h Fri Feb 20 12:24:05 2015 +0000 @@ -0,0 +1,39 @@ +/* + * Copyright 2014 Embedded Artists AB + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef DM_BOARD_CONFIG_H +#define DM_BOARD_CONFIG_H + +// Template to use for the project-specific settings. Copy this file to your project, +// rename it to dm_board_config.h and uncomment the wanted features below: + +// #define DM_BOARD_USE_USB_DEVICE +// #define DM_BOARD_USE_USB_HOST +// #define DM_BOARD_USE_MCI_FS +// #define DM_BOARD_USE_QSPI_FS +// #define DM_BOARD_USE_QSPI +#define DM_BOARD_USE_DISPLAY +#define DM_BOARD_USE_TOUCH +// #define DM_BOARD_USE_ETHERNET +#define DM_BOARD_USE_FAST_UART +// #define DM_BOARD_DISABLE_STANDARD_PRINTF +// #define DM_BOARD_ENABLE_MEASSURING_PINS +// #define DM_BOARD_BIOS_DEVELOPMENT +// #define DM_BOARD_USE_REGISTRY +#define DM_BOARD_USE_BUILTIN_IMAGES + +#endif +
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/image_data.c Fri Feb 20 12:24:05 2015 +0000 @@ -0,0 +1,53 @@ +#define IMAGE_LOCATION +//#define IMAGE_LOCATION __attribute__((section("SPIFI_MEM"))) + +const unsigned char img_empty[] = { + 0x89,0x50,0x4E,0x47,0x0D,0x0A,0x1A,0x0A,0x00,0x00,0x00,0x0D,0x49,0x48,0x44,0x52, + 0x00,0x00,0x00,0x40,0x00,0x00,0x00,0x40,0x08,0x02,0x00,0x00,0x00,0x25,0x0B,0xE6, + 0x89,0x00,0x00,0x00,0x09,0x70,0x48,0x59,0x73,0x00,0x00,0x0E,0xC4,0x00,0x00,0x0E, + 0xC4,0x01,0x95,0x2B,0x0E,0x1B,0x00,0x00,0x02,0x8B,0x49,0x44,0x41,0x54,0x78,0x9C, + 0xD5,0x9A,0xBF,0x79,0xC2,0x30,0x10,0xC5,0xA5,0x7C,0x19,0xC5,0x6E,0x18,0xC1,0x99, + 0xC0,0xA4,0xA1,0x4A,0x9B,0x8E,0x96,0x34,0xE9,0x32,0x04,0x29,0xCD,0x08,0xE9,0xC3, + 0x06,0x66,0x82,0x7C,0x14,0x81,0x5D,0x9C,0xC2,0xC1,0x58,0x3A,0xEB,0xCF,0xE9,0x4E, + 0x96,0xFC,0x3A,0x23,0x12,0xDE,0x4F,0xD2,0x3D,0x1F,0xC2,0x42,0x2C,0x5C,0xD2,0x3E, + 0xDC,0x75,0xDD,0x3C,0x3E,0xEC,0x92,0xD2,0xE8,0x73,0x7A,0x20,0x13,0xDF,0x9A,0x26, + 0x31,0x26,0x5E,0xCA,0xD3,0xFD,0x20,0x0D,0x43,0x07,0xC8,0xDC,0x7D,0xAF,0x31,0x83, + 0x02,0xB0,0x08,0xF7,0xBD,0x06,0x86,0xC7,0xE1,0x25,0x93,0x7B,0x4B,0x01,0xCD,0x23, + 0xFB,0xB4,0x4A,0xCB,0x9B,0x92,0x5B,0x1F,0x64,0xB1,0xF7,0x60,0xFA,0x1B,0x16,0xF7, + 0x75,0xD3,0x01,0x35,0x35,0xFE,0xFF,0x48,0x29,0xA1,0x1F,0x85,0x4A,0xFB,0x10,0x92, + 0x6B,0x21,0x84,0x10,0xC5,0xAE,0xED,0xBA,0xAE,0xDD,0x15,0xFF,0xD7,0x1A,0xCA,0x7D, + 0x00,0x21,0x38,0x19,0xAE,0x01,0x9A,0x7B,0xDD,0x65,0x04,0x06,0xEB,0xAB,0x54,0xFB, + 0x70,0xBB,0x8C,0x06,0x42,0x11,0xE6,0x00,0x50,0x6C,0xAA,0x04,0x7A,0x49,0xE0,0x09, + 0xA0,0x55,0x63,0x11,0xF3,0x68,0xBB,0x19,0x13,0x5C,0xCE,0x27,0x65,0xB4,0x5A,0x95, + 0xE4,0x4F,0xE0,0x07,0xB8,0xFE,0xFE,0xDC,0x2F,0x4E,0xE7,0x8B,0xE5,0xAD,0xF6,0x51, + 0x7F,0x31,0xD7,0xC0,0x68,0x17,0x69,0x91,0xA9,0x6F,0x21,0x7C,0xA2,0xCE,0x51,0x03, + 0x66,0x31,0xC4,0x50,0x52,0x00,0xD5,0x7F,0x50,0x8A,0xA6,0x04,0xB0,0x84,0x13,0x42, + 0xE9,0x00,0xEE,0xD3,0x1F,0x6C,0x5E,0x88,0x74,0x00,0xD3,0xB7,0xE6,0x00,0x25,0x02, + 0xA8,0x1B,0xEA,0xCC,0xDF,0x94,0x06,0xA0,0xD8,0xB5,0xF4,0xB9,0xEF,0x05,0xAD,0xE2, + 0x6E,0x64,0x61,0xED,0x71,0xB9,0x12,0x5F,0xDF,0xD7,0x50,0xCF,0x0E,0xF9,0x02,0xF4, + 0xBB,0xF8,0xE3,0x5C,0xF6,0xAD,0xB9,0x5C,0x1F,0x6E,0x23,0xDB,0x23,0xCB,0xEE,0xA6, + 0xC8,0xB9,0x85,0xE2,0xB5,0xC7,0x3C,0x56,0x1D,0x00,0x31,0xDB,0xE3,0x39,0x00,0xA2, + 0xB6,0xC7,0x74,0x00,0x64,0x37,0x8A,0x6E,0x8F,0x8D,0xCB,0xC7,0x25,0x37,0x00,0xA1, + 0x3D,0x2E,0x76,0xED,0x65,0x5F,0xDD,0xAE,0xB6,0xC7,0x58,0x2B,0xE4,0xA8,0x81,0xF0, + 0xF6,0x18,0xA4,0x2E,0x20,0xC0,0xE6,0x72,0x48,0x0D,0x98,0xE5,0x8C,0x21,0x5B,0x95, + 0x87,0x1D,0x5B,0xB0,0x02,0x78,0xB5,0xC7,0xD3,0x35,0x10,0x9C,0xCB,0x8C,0x00,0x84, + 0xF6,0x98,0x90,0xCB,0x7C,0x00,0x84,0xF6,0x98,0x92,0xCB,0x5C,0x00,0xA4,0xF6,0x58, + 0x9D,0x67,0x85,0x40,0x5F,0x02,0x30,0x3B,0xD0,0x6A,0xD0,0xA9,0x44,0xFD,0xBE,0xAF, + 0xC4,0x61,0x2D,0x9F,0x3E,0x43,0x5A,0x34,0xFE,0x63,0x0B,0xEC,0x0A,0xD0,0xDB,0xE3, + 0xE0,0x63,0x0B,0x9E,0x2D,0x54,0x37,0x91,0xEE,0x48,0xEE,0x18,0x62,0xDA,0x42,0x91, + 0x54,0x6F,0xB6,0xA3,0xAB,0xD3,0xDB,0xAB,0xEF,0x0E,0xC5,0x17,0x71,0x0C,0x79,0xE5, + 0x32,0xCF,0x16,0x8A,0x22,0xBF,0x5C,0xCE,0x16,0xC0,0x37,0x97,0xE9,0x00,0x71,0xDA, + 0x63,0xEF,0x63,0x0B,0x22,0x40,0xAC,0xAF,0x60,0xFE,0xB9,0x0C,0xAD,0xA2,0x52,0xA8, + 0x5C,0x55,0xCA,0x75,0xF5,0xF2,0xCC,0x42,0x40,0x39,0xB6,0x40,0x01,0xE8,0xDF,0xC0, + 0x4E,0xF1,0x4E,0x4B,0x50,0x4A,0x5F,0x03,0xDE,0x82,0x56,0xA5,0x00,0x3F,0x23,0xE7, + 0xF3,0xFB,0x36,0x14,0xB4,0x9A,0xD3,0x9D,0x38,0x48,0xC9,0x01,0x38,0xF6,0x24,0xA6, + 0x06,0x78,0x85,0xCE,0x65,0x62,0x8C,0xB2,0x8B,0x21,0x97,0xD3,0x02,0x30,0xE5,0x72, + 0x07,0xC4,0x63,0xCF,0x4B,0xB8,0x1A,0x98,0x8E,0x51,0xB1,0x90,0x24,0x85,0x33,0x6B, + 0x8C,0xD1,0x79,0x17,0xC1,0x4B,0x93,0xEE,0xC5,0xF8,0x99,0xB9,0x49,0xD3,0x99,0x2C, + 0x85,0xC5,0x9B,0x03,0x20,0x5B,0x0D,0x33,0xBB,0xC8,0xA7,0x16,0x8D,0x8F,0x5D,0x8A, + 0x25,0x30,0x38,0x1E,0x7C,0xED,0x95,0x2D,0x06,0xAC,0x49,0x63,0x8D,0xE6,0xC6,0x90, + 0x49,0x9C,0xF0,0xEB,0x0F,0xB7,0x97,0x16,0xD2,0x38,0x59,0xDC,0x57,0x00,0x00,0x00, + 0x00,0x49,0x45,0x4E,0x44,0xAE,0x42,0x60,0x82 +}; +const unsigned int img_size_empty = sizeof(img_empty); +
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/image_data.h Fri Feb 20 12:24:05 2015 +0000 @@ -0,0 +1,6 @@ +#include "basic_image_data.h" + +extern const unsigned char img_empty[]; +extern const unsigned int img_size_empty; + +
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Fri Feb 20 12:24:05 2015 +0000 @@ -0,0 +1,104 @@ +/****************************************************************************** + * Includes + *****************************************************************************/ + +#include "mbed.h" +#include "mbed_interface.h" +#include "rtos.h" + +#include "DMBoard.h" + +#include "AppLauncher.h" +#include "AppTouchCalibration.h" + +#include "AppTemplate.h" +#include "image_data.h" + + +/****************************************************************************** + * Typedefs and defines + *****************************************************************************/ + +typedef enum { + MyFirstApp, + + // Add an application ID here + + CalibrationApp = AppLauncher::CalibrationApp, +} myapps_t; + +/****************************************************************************** + * Local functions + *****************************************************************************/ + +static App* launchApp(uint32_t id) +{ + App* a = NULL; + switch ((myapps_t)id) { + case CalibrationApp: + a = new AppTouchCalibration(); + break; + case MyFirstApp: + a = new AppTemplate(); + break; + + // Create your application here + + default: + break; + } + return a; +} + +void guiTask(void const* args) +{ + RtosLog* log = DMBoard::instance().logger(); + + log->printf("guiTask started\n"); + + AppLauncher launcher; + + + if (launcher.setup()) { + launcher.addImageButton(MyFirstApp, "Something", RED, img_empty, img_size_empty); + + // Add more buttons here + + launcher.setAppCreatorFunc(launchApp); + log->printf("Starting menu system\n"); + launcher.runToCompletion(); + launcher.teardown(); + } else { + log->printf("Failed to prepare menu system\n"); + } + + // Should never end up here + mbed_die(); +} + +/****************************************************************************** + * Main function + *****************************************************************************/ +int main() +{ + DMBoard::BoardError err; + DMBoard* board = &DMBoard::instance(); + RtosLog* log = board->logger(); + err = board->init(); + if (err != DMBoard::Ok) { + log->printf("Failed to initialize the board, got error %d\r\n", err); + wait_ms(2000); // allow RtosLog to flush messages + mbed_die(); + } + + log->printf("\n\n---\nApplication Launcher Example\nBuilt: " __DATE__ " at " __TIME__ "\n\n"); + + Thread tGui(guiTask, NULL, osPriorityNormal, 8192); + + while(1) { + // Wait forever (in 1h increments) to prevent the tGui + // thread from being garbage collected. + Thread::wait(3600*1000); + } +} +