Diff: AppUSBStatus.cpp

Revision:

0:b94e330c98ac

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/AppUSBStatus.cpp	Fri Mar 20 13:36:44 2015 +0000
@@ -0,0 +1,245 @@
+/*
+ *  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;
+}
+