TestDisplay.h

00001 /*
00002  *  Copyright 2013 Embedded Artists AB
00003  *
00004  *  Licensed under the Apache License, Version 2.0 (the "License");
00005  *  you may not use this file except in compliance with the License.
00006  *  You may obtain a copy of the License at
00007  *
00008  *    http://www.apache.org/licenses/LICENSE-2.0
00009  *
00010  *  Unless required by applicable law or agreed to in writing, software
00011  *  distributed under the License is distributed on an "AS IS" BASIS,
00012  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00013  *  See the License for the specific language governing permissions and
00014  *  limitations under the License.
00015  */
00016 
00017 #ifndef TESTDISPLAY_H
00018 #define TESTDISPLAY_H
00019 
00020 #include "AR1021I2C.h"
00021 #include "Graphics.h"
00022 #include "LcdController.h"
00023 #include "EaLcdBoardGPIO.h"
00024 
00025 /**
00026  * Test the display connected with a FPC cable to the LPC4088 Experiment Base Board
00027  * as well as the AR1021 touch sensor on the board.
00028  */
00029 class TestDisplay {
00030 public:
00031 
00032     /**
00033      * Create an interface to the display
00034      */
00035     TestDisplay();
00036     ~TestDisplay();
00037 
00038     /**
00039      * Use the RED or GREEN LEDs to signal failure/success
00040      */
00041     void showStatus(bool success);
00042 
00043     /**
00044      * Test the display
00045      *
00046      * @return true if the test was successful; otherwise false
00047      */
00048     bool runTest();
00049 
00050 private:
00051 
00052     void drawBars(); 
00053     void calibrate_drawMarker(Graphics &g, uint16_t x, uint16_t y, bool erase);
00054     bool calibrate_display();
00055 
00056     LcdController::Config _lcdCfg;
00057     EaLcdBoardGPIO _lcdBoard;
00058     AR1021I2C _touch;
00059 
00060     uint32_t _framebuffer;
00061     bool _displayWorking;
00062 };
00063 
00064 #endif
00065