Sample GUI for LPC4088. Base code to begin dev
Dependencies: DMBasicGUI DMSupport
Fork of lpc4088_displaymodule_shipped_demo by
AppUSBStatus.cpp
- Committer:
- alindvall
- Date:
- 2015-03-20
- Revision:
- 0:b94e330c98ac
File content as of revision 0:b94e330c98ac:
/* * 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 "EthernetInterface.h" #include "AppUSBStatus.h" #include "lpc_swim_image.h" #include "lpc_swim_font.h" #include "image_data.h" #include "BiosLoader.h" /****************************************************************************** * Defines and typedefs *****************************************************************************/ #define HEADER_X_OFF (20-5) #define HEADER_Y_SPACING (20-5) #define ITEM_CAPTION_X_OFF (40-15) #define ITEM_CAPTION_Y_SPACING (swim_get_font_height(_win) + 5) #define ITEM_VALUE_X_OFF (140-25) #define COL3_OFF (230+70) #define COL4 (COL3_OFF + ITEM_VALUE_X_OFF - 5) #define BTN_OFF 20 #define DEMO_VERSION "v0.9" #define DEMO_BUILD_INFO __DATE__ " " __TIME__ #define DESCR(__res, __disp) \ (((__res) == ((__disp)->currentResolution())) ? ("Active") : (((__disp)->isSupported(__res)) ? ("Supported") : ("N/A"))) static const unsigned char* IMAGES[] = { img_usb_masstorage, img_usb_masstorage_ejected, img_usb_mouse, img_usb_mouse_ejected, img_usb_keyboard, img_usb_keyboard_ejected, }; static const unsigned int IMAGE_SIZES[] = { img_size_usb_masstorage, img_size_usb_masstorage_ejected, img_size_usb_mouse, img_size_usb_mouse_ejected, img_size_usb_keyboard, img_size_usb_keyboard_ejected, }; static const char* CAPTIONS[] = { "Memory Stick", "No Memory Stick", "Mouse", "No Mouse", "Keyboard", "No Keyboard", }; /****************************************************************************** * Global variables *****************************************************************************/ extern bool msdConnected; extern bool keyboardConnected; extern bool mouseConnected; /****************************************************************************** * Private functions *****************************************************************************/ static void buttonClicked(uint32_t x) { bool* done = (bool*)x; *done = true; } void AppUSBStatus::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 BLACK, WHITE, BLACK); // colors: pen, backgr, forgr //swim_set_title(_win, "USB Status", BLACK); // Start by drawing all USB Devices disconnected. Each device is drawn in // its own window so that the positioning information can be kept here int images = NumImages/2; int xspace = (_disp->width() - (_images[0].width * images)) / 4; int yoff = (_disp->height() - _images[0].height)/3; int xoff = xspace; for (int i = 1; i < NumImages; i+=2) { swim_window_open(&_imageWindows[i/2], _disp->width(), _disp->height(), // full size (COLOR_T*)_fb, xoff,yoff,xoff+_images[0].width-1, yoff+_images[0].height+20-1, // window position and size 0, // border BLACK, WHITE, BLACK); // colors: pen, backgr, forgr swim_put_image(&_imageWindows[i/2], _images[i].pixels, _images[i].width, _images[i].height); swim_put_text_centered_win(&_imageWindows[i/2], CAPTIONS[i], _images[i].height); xoff += _images[i].width + xspace; } _btn = new ImageButton(_win->fb, _win->xpmax - BTN_OFF - _resOk->width(), _win->ypmax - BTN_OFF - _resOk->height(), _resOk->width(), _resOk->height()); _btn->loadImages(_resOk); _btn->draw(); } void AppUSBStatus::updateStatus(Ids id) { SWIM_WINDOW_T* pWin = &_imageWindows[id/2]; swim_clear_screen(pWin, WHITE); swim_put_image(pWin, _images[id].pixels, _images[id].width, _images[id].height); swim_put_text_centered_win(pWin, CAPTIONS[id], _images[id].height); } /****************************************************************************** * Public functions *****************************************************************************/ AppUSBStatus::AppUSBStatus() : _disp(NULL), _win(NULL), _fb(NULL), _btn(NULL), _resOk(NULL) { for (int i = 0; i < NumImages; i++) { _images[i].pointerToFree = NULL; _images[i].pixels = NULL; } } AppUSBStatus::~AppUSBStatus() { teardown(); } bool AppUSBStatus::setup() { RtosLog* log = DMBoard::instance().logger(); _disp = DMBoard::instance().display(); _win = (SWIM_WINDOW_T*)malloc(sizeof(SWIM_WINDOW_T)); _fb = _disp->allocateFramebuffer(); if (_win == NULL || _fb == NULL) { log->printf("Failed to allocate memory for framebuffer\r\n"); return false; } for (int i = 0; i < NumImages; i++) { if (Image::decode(IMAGES[i], IMAGE_SIZES[i], Image::RES_16BIT, &_images[i]) != 0) { log->printf("Failed to load image %d of %d\n", i+1, NumImages); return false; } } return true; } void AppUSBStatus::runToCompletion() { // Alternative 1: use the calling thread's context to run in bool done = false; draw(); _btn->setAction(buttonClicked, (uint32_t)&done); void* oldFB = _disp->swapFramebuffer(_fb); // Wait for touches, but the AppLauncher is already listening // for new touch event and sends a signal to its thread which // is the same as runs this function so it is enough to wait // for that signal. TouchPanel* touch = DMBoard::instance().touchPanel(); touch_coordinate_t coord; bool lastMassStorage = false; bool lastMouse = false; bool lastKeyboard = false; while(!done) { Thread::signal_wait(0x1, 500); if (touch->read(coord) == TouchPanel::TouchError_Ok) { if (_btn->handle(coord.x, coord.y, coord.z > 0)) { _btn->draw(); } } if (lastMassStorage != msdConnected) { lastMassStorage = msdConnected; updateStatus(lastMassStorage ? USBHost_MassStorage_Inserted : USBHost_MassStorage_Ejected); } if (lastKeyboard != keyboardConnected) { lastKeyboard = keyboardConnected; updateStatus(lastKeyboard ? USBHost_Keyboard_Inserted : USBHost_Keyboard_Ejected); } if (lastMouse != mouseConnected) { lastMouse = mouseConnected; updateStatus(lastMouse ? USBHost_Mouse_Inserted : USBHost_Mouse_Ejected); } } // User has clicked the button, restore the original FB _disp->swapFramebuffer(oldFB); swim_window_close(_win); } bool AppUSBStatus::teardown() { if (_win != NULL) { free(_win); _win = NULL; } if (_fb != NULL) { free(_fb); _fb = NULL; } if (_btn != NULL) { delete _btn; _btn = NULL; } for (int i = 0; i < NumImages; i++) { if (_images[i].pointerToFree != NULL) { free(_images[i].pointerToFree); _images[i].pointerToFree = NULL; } } return true; } void AppUSBStatus::addResource(Resources id, Resource* res) { _resOk = res; }