Embedded Artists / lpc4088_displaymodule_ew2015

Demo for Embedded World 2015.

Dependencies:   DMBasicGUI DMSupport

Demo running on several LPC4088 Display Modules on the Embedded World 2015 exhibition.

Information

To run the demo first drag-n-drop the to_sync.fs3 file to the MBED drive and then drag-n-drop the demo itself. This way both the file system and software are up to date.

This is what the launcher will look like:

/media/uploads/embeddedartists/ew2015_cap_000.png /media/uploads/embeddedartists/ew2015_cap_002.png /media/uploads/embeddedartists/ew2015_cap_003.png /media/uploads/embeddedartists/ew2015_cap_004.png /media/uploads/embeddedartists/ew2015_cap_005.png /media/uploads/embeddedartists/ew2015_cap_006.png

AppDraw.cpp@1:1a01ef434a72, 2019-11-05 (annotated)

Committer:
embeddedartists
Date:
Tue Nov 05 08:20:16 2019 +0000
Revision:
1:1a01ef434a72
Parent:
0:6bd24cbb88a1 
Updates related to mbed OS 5

Who changed what in which revision?

UserRevisionLine numberNew contents of line
alindvall 0:6bd24cbb88a1 1 /*
alindvall 0:6bd24cbb88a1 2 * Copyright 2014 Embedded Artists AB
alindvall 0:6bd24cbb88a1 3 *
alindvall 0:6bd24cbb88a1 4 * Licensed under the Apache License, Version 2.0 (the "License");
alindvall 0:6bd24cbb88a1 5 * you may not use this file except in compliance with the License.
alindvall 0:6bd24cbb88a1 6 * You may obtain a copy of the License at
alindvall 0:6bd24cbb88a1 7 *
alindvall 0:6bd24cbb88a1 8 * http://www.apache.org/licenses/LICENSE-2.0
alindvall 0:6bd24cbb88a1 9 *
alindvall 0:6bd24cbb88a1 10 * Unless required by applicable law or agreed to in writing, software
alindvall 0:6bd24cbb88a1 11 * distributed under the License is distributed on an "AS IS" BASIS,
alindvall 0:6bd24cbb88a1 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
alindvall 0:6bd24cbb88a1 13 * See the License for the specific language governing permissions and
alindvall 0:6bd24cbb88a1 14 * limitations under the License.
alindvall 0:6bd24cbb88a1 15 */
alindvall 0:6bd24cbb88a1 16
alindvall 0:6bd24cbb88a1 17
alindvall 0:6bd24cbb88a1 18 #include "mbed.h"
alindvall 0:6bd24cbb88a1 19 #include "EthernetInterface.h"
alindvall 0:6bd24cbb88a1 20 #include "AppDraw.h"
alindvall 0:6bd24cbb88a1 21 #include "lpc_swim_font.h"
alindvall 0:6bd24cbb88a1 22 #include "lpc_colors.h"
alindvall 0:6bd24cbb88a1 23 #include "image_data.h"
alindvall 0:6bd24cbb88a1 24
alindvall 0:6bd24cbb88a1 25 /******************************************************************************
alindvall 0:6bd24cbb88a1 26 * Defines and typedefs
alindvall 0:6bd24cbb88a1 27 *****************************************************************************/
alindvall 0:6bd24cbb88a1 28
alindvall 0:6bd24cbb88a1 29 #define BOX_SIDE 192 //256
alindvall 0:6bd24cbb88a1 30
alindvall 0:6bd24cbb88a1 31 #define BTN_WIDTH 65
alindvall 0:6bd24cbb88a1 32 #define BTN_HEIGHT 40
alindvall 0:6bd24cbb88a1 33 #define BTN_OFF 20
alindvall 0:6bd24cbb88a1 34
alindvall 0:6bd24cbb88a1 35 /******************************************************************************
alindvall 0:6bd24cbb88a1 36 * Local variables
alindvall 0:6bd24cbb88a1 37 *****************************************************************************/
alindvall 0:6bd24cbb88a1 38
alindvall 0:6bd24cbb88a1 39 static const COLOR_T COLORS[] = {
alindvall 0:6bd24cbb88a1 40 RED,
alindvall 0:6bd24cbb88a1 41 GREEN,
alindvall 0:6bd24cbb88a1 42 BLUE,
alindvall 0:6bd24cbb88a1 43 CYAN,
alindvall 0:6bd24cbb88a1 44 MAGENTA,
alindvall 0:6bd24cbb88a1 45 YELLOW,
alindvall 0:6bd24cbb88a1 46 BLACK,
alindvall 0:6bd24cbb88a1 47 };
alindvall 0:6bd24cbb88a1 48
alindvall 0:6bd24cbb88a1 49 /******************************************************************************
alindvall 0:6bd24cbb88a1 50 * Private functions
alindvall 0:6bd24cbb88a1 51 *****************************************************************************/
alindvall 0:6bd24cbb88a1 52
alindvall 0:6bd24cbb88a1 53 static void buttonClicked(uint32_t x)
alindvall 0:6bd24cbb88a1 54 {
alindvall 0:6bd24cbb88a1 55 bool* done = (bool*)x;
alindvall 0:6bd24cbb88a1 56 *done = true;
alindvall 0:6bd24cbb88a1 57 }
alindvall 0:6bd24cbb88a1 58
alindvall 0:6bd24cbb88a1 59 void AppDraw::draw()
alindvall 0:6bd24cbb88a1 60 {
alindvall 0:6bd24cbb88a1 61 // Prepare fullscreen
alindvall 0:6bd24cbb88a1 62 swim_window_open(_win,
alindvall 0:6bd24cbb88a1 63 _disp->width(), _disp->height(), // full size
alindvall 0:6bd24cbb88a1 64 (COLOR_T*)_fb,
alindvall 0:6bd24cbb88a1 65 0,0,_disp->width()-1, _disp->height()-1, // window position and size
alindvall 0:6bd24cbb88a1 66 0, // border
alindvall 0:6bd24cbb88a1 67 WHITE, WHITE, BLACK); // colors: pen, backgr, forgr
alindvall 0:6bd24cbb88a1 68
alindvall 0:6bd24cbb88a1 69 _btn = new ImageButton(_win->fb, _win->xpmax - BTN_OFF - BTN_WIDTH, _win->ypmax - BTN_OFF - BTN_HEIGHT, BTN_WIDTH, BTN_HEIGHT);
alindvall 0:6bd24cbb88a1 70 _btn->loadImages(img_ok, img_size_ok);
alindvall 0:6bd24cbb88a1 71 _btn->draw();
alindvall 0:6bd24cbb88a1 72 }
alindvall 0:6bd24cbb88a1 73
alindvall 0:6bd24cbb88a1 74 /******************************************************************************
alindvall 0:6bd24cbb88a1 75 * Public functions
alindvall 0:6bd24cbb88a1 76 *****************************************************************************/
alindvall 0:6bd24cbb88a1 77
alindvall 0:6bd24cbb88a1 78 AppDraw::AppDraw() : _disp(NULL), _win(NULL), _fb(NULL), _btn(NULL)
alindvall 0:6bd24cbb88a1 79 {
alindvall 0:6bd24cbb88a1 80 }
alindvall 0:6bd24cbb88a1 81
alindvall 0:6bd24cbb88a1 82 AppDraw::~AppDraw()
alindvall 0:6bd24cbb88a1 83 {
alindvall 0:6bd24cbb88a1 84 teardown();
alindvall 0:6bd24cbb88a1 85 }
alindvall 0:6bd24cbb88a1 86
alindvall 0:6bd24cbb88a1 87 bool AppDraw::setup()
alindvall 0:6bd24cbb88a1 88 {
alindvall 0:6bd24cbb88a1 89 _disp = DMBoard::instance().display();
alindvall 0:6bd24cbb88a1 90 _win = (SWIM_WINDOW_T*)malloc(sizeof(SWIM_WINDOW_T));
alindvall 0:6bd24cbb88a1 91 _fb = _disp->allocateFramebuffer();
alindvall 0:6bd24cbb88a1 92
alindvall 0:6bd24cbb88a1 93 return (_win != NULL && _fb != NULL);
alindvall 0:6bd24cbb88a1 94 }
alindvall 0:6bd24cbb88a1 95
alindvall 0:6bd24cbb88a1 96 void AppDraw::runToCompletion()
alindvall 0:6bd24cbb88a1 97 {
alindvall 0:6bd24cbb88a1 98 // Alternative 1: use the calling thread's context to run in
alindvall 0:6bd24cbb88a1 99 bool done = false;
alindvall 0:6bd24cbb88a1 100 draw();
alindvall 0:6bd24cbb88a1 101 _btn->setAction(buttonClicked, (uint32_t)&done);
alindvall 0:6bd24cbb88a1 102 void* oldFB = _disp->swapFramebuffer(_fb);
alindvall 0:6bd24cbb88a1 103
alindvall 0:6bd24cbb88a1 104 // Wait for touches
alindvall 0:6bd24cbb88a1 105 TouchPanel* touch = DMBoard::instance().touchPanel();
alindvall 0:6bd24cbb88a1 106 bool ignore;
alindvall 0:6bd24cbb88a1 107 int fingers = 0;
alindvall 0:6bd24cbb88a1 108 touch->info(&ignore, &fingers, &ignore);
alindvall 0:6bd24cbb88a1 109 if (fingers > MaxSupportedFingers) {
alindvall 0:6bd24cbb88a1 110 fingers = MaxSupportedFingers;
alindvall 0:6bd24cbb88a1 111 }
alindvall 0:6bd24cbb88a1 112 while(!done) {
alindvall 0:6bd24cbb88a1 113 // wait for a new touch signal (signal is sent from AppLauncher,
alindvall 0:6bd24cbb88a1 114 // which listens for touch events)
alindvall 0:6bd24cbb88a1 115 Thread::signal_wait(0x1);
alindvall 0:6bd24cbb88a1 116 if (touch->read(_coords, fingers) == TouchPanel::TouchError_Ok) {
alindvall 0:6bd24cbb88a1 117 for (int i = 0; i < fingers; i++) {
alindvall 0:6bd24cbb88a1 118 if (_coords[i].z > 0) {
alindvall 0:6bd24cbb88a1 119 _win->pen = COLORS[i];
alindvall 0:6bd24cbb88a1 120 swim_put_circle(_win, _coords[i].x, _coords[i].y, 2, 1);
alindvall 0:6bd24cbb88a1 121 }
alindvall 0:6bd24cbb88a1 122 }
alindvall 0:6bd24cbb88a1 123 if (_btn->handle(_coords[0].x, _coords[0].y, _coords[0].z > 0)) {
alindvall 0:6bd24cbb88a1 124 _btn->draw();
alindvall 0:6bd24cbb88a1 125 }
alindvall 0:6bd24cbb88a1 126 }
alindvall 0:6bd24cbb88a1 127 }
alindvall 0:6bd24cbb88a1 128
alindvall 0:6bd24cbb88a1 129 // User has clicked the button, restore the original FB
alindvall 0:6bd24cbb88a1 130 _disp->swapFramebuffer(oldFB);
alindvall 0:6bd24cbb88a1 131 swim_window_close(_win);
alindvall 0:6bd24cbb88a1 132 }
alindvall 0:6bd24cbb88a1 133
alindvall 0:6bd24cbb88a1 134 bool AppDraw::teardown()
alindvall 0:6bd24cbb88a1 135 {
alindvall 0:6bd24cbb88a1 136 if (_win != NULL) {
alindvall 0:6bd24cbb88a1 137 free(_win);
alindvall 0:6bd24cbb88a1 138 _win = NULL;
alindvall 0:6bd24cbb88a1 139 }
alindvall 0:6bd24cbb88a1 140 if (_fb != NULL) {
alindvall 0:6bd24cbb88a1 141 free(_fb);
alindvall 0:6bd24cbb88a1 142 _fb = NULL;
alindvall 0:6bd24cbb88a1 143 }
alindvall 0:6bd24cbb88a1 144 if (_btn != NULL) {
alindvall 0:6bd24cbb88a1 145 delete _btn;
alindvall 0:6bd24cbb88a1 146 _btn = NULL;
alindvall 0:6bd24cbb88a1 147 }
alindvall 0:6bd24cbb88a1 148 return true;
alindvall 0:6bd24cbb88a1 149 }
alindvall 0:6bd24cbb88a1 150