main.cpp

00001 /**********************************************************************************************
00002  Copyright (c) 2014 DisplayModule. All rights reserved.
00003 
00004  Redistribution and use of this source code, part of this source code or any compiled binary
00005  based on this source code is permitted as long as the above copyright notice and following
00006  disclaimer is retained.
00007 
00008  DISCLAIMER:
00009  THIS SOFTWARE IS SUPPLIED "AS IS" WITHOUT ANY WARRANTIES AND SUPPORT. DISPLAYMODULE ASSUMES
00010  NO RESPONSIBILITY OR LIABILITY FOR THE USE OF THE SOFTWARE.
00011  ********************************************************************************************/
00012 
00013 /******************************************************************************
00014  * Includes
00015  *****************************************************************************/
00016 
00017 #include "mbed.h"
00018 
00019 #include "DmTftHX8353C.h"
00020 #include "DmTftS6D0164.h"
00021 #include "DmTftIli9325.h"
00022 #include "DmTftIli9341.h"
00023 #include "DmTftSsd2119.h"
00024 #include "DmTftRa8875.h"
00025 #include "DmTouch.h"
00026 #include "DmTouchCalibration.h"
00027 
00028 /******************************************************************************
00029  * Typedefs and defines
00030  *****************************************************************************/
00031 
00032 /* Note that there are restrictions on which platforms that can use printf
00033    in combinations with the DmTftLibrary. Some platforms (e.g. LPC1549 LPCXpresso)
00034    use the same pins for USBRX/USBTX and display control. Printing will
00035    cause the display to not work. Read more about this on the display's notebook
00036    page. */
00037 //#define log(...) printf(__VA_ARGS__)
00038 #define log(...)
00039 
00040 #if 1
00041   /* Displays without adapter */
00042   #define DM_PIN_SPI_MOSI   D11
00043   #define DM_PIN_SPI_MISO   D12
00044   #define DM_PIN_SPI_SCLK   D13
00045   #define DM_PIN_CS_TOUCH   D4
00046   #define DM_PIN_CS_TFT     D10
00047   #define DM_PIN_CS_SDCARD  D8
00048   #define DM_PIN_CS_FLASH   D6
00049 #else
00050   /* Displays with adapter */
00051   #define DM_PIN_SPI_MOSI   A0
00052   #define DM_PIN_SPI_MISO   D9
00053   #define DM_PIN_SPI_SCLK   A1
00054   #define DM_PIN_CS_TOUCH   D8
00055   #define DM_PIN_CS_TFT     A3
00056   #define DM_PIN_CS_SDCARD  D10
00057 #endif
00058 
00059 /******************************************************************************
00060  * Local variables
00061  *****************************************************************************/
00062 
00063 //DmTftIli9325 tft;  /* DM_TFT28_103 and DM_TFT24_104 */
00064 //DmTftIli9341 tft;  /* DM_TFT28_105 */
00065 //DmTftSsd2119 tft;   /* DM_TFT35_107 */
00066 DmTftRa8875  tft;  /* DM_TFT43_108 and DM_TFT50_111 */  
00067 
00068 //DmTouch touch(DmTouch::DM_TFT28_103, DmTouch::Software); /* For LPC4088 QuickStart Board */
00069 //DmTouch touch(DmTouch::DM_TFT28_103);
00070 //DmTouch touch(DmTouch::DM_TFT24_104, DmTouch::Software); /* For LPC4088 QuickStart Board */
00071 //DmTouch touch(DmTouch::DM_TFT24_104);
00072 //DmTouch touch(DmTouch::DM_TFT28_105);
00073 //DmTouch touch(DmTouch::DM_TFT35_107);
00074 //DmTouch touch(DmTouch::DM_TFT43_108);  // For DmTftRa8875 driver, The panel resolution should be config in DmTftRa8875::init() function on the DmTftRa8875.cpp file.
00075 DmTouch touch(DmTouch::DM_TFT50_111);
00076 
00077 DmTouchCalibration calibration = DmTouchCalibration(&tft, &touch); 
00078 
00079 DigitalInOut csTouch(DM_PIN_CS_TOUCH, PIN_OUTPUT, PullUp, 1);
00080 DigitalInOut csDisplay(DM_PIN_CS_TFT, PIN_OUTPUT, PullUp, 1);
00081 DigitalInOut csSDCard(DM_PIN_CS_SDCARD, PIN_OUTPUT, PullUp, 1);
00082 #ifdef DM_PIN_CS_FLASH
00083   DigitalInOut csFlash(DM_PIN_CS_FLASH, PIN_OUTPUT, PullUp, 1);
00084 #endif
00085 
00086 bool calibrated = false;
00087 
00088 /******************************************************************************
00089  * Global variables
00090  *****************************************************************************/
00091 
00092 /******************************************************************************
00093  * Local functions
00094  *****************************************************************************/
00095 
00096 static void loop() {
00097   uint16_t x, y = 0;
00098   bool touched = false;
00099   
00100   if (!calibrated) {
00101     tft.drawString(5, 5, "Press and hold on cross");
00102     tft.drawString(5, 25, "until it turns green. ");
00103 
00104     Point displayRefPoint[5];
00105     Point touchRefPoint[5];
00106     if (calibration.getTouchReferencePoints(displayRefPoint, touchRefPoint, tft.width(), tft.height())) {
00107       CalibrationMatrix calibrationMatrix = calibration.calculateCalibrationMatrix(displayRefPoint, touchRefPoint);
00108       touch.setCalibrationMatrix(calibrationMatrix);
00109       tft.clearScreen();
00110       calibration.drawCalibPoint(displayRefPoint[0].x, displayRefPoint[0].y); 
00111       calibration.drawCalibPoint(displayRefPoint[1].x, displayRefPoint[1].y); 
00112       calibration.drawCalibPoint(displayRefPoint[2].x, displayRefPoint[2].y); 
00113       calibration.drawCalibPoint(displayRefPoint[3].x, displayRefPoint[3].y); 
00114       calibration.drawCalibPoint(displayRefPoint[4].x, displayRefPoint[4].y);
00115       calibration.drawCalibration(calibrationMatrix);
00116       calibrated = true;
00117     } else {
00118       tft.clearScreen();
00119       tft.drawString(5, 5, "Calibration failed");
00120       tft.drawString(5, 25, "Please try again.");
00121       delay(2000);
00122       tft.clearScreen();
00123       return;
00124     }
00125   }
00126   
00127   if (touch.isTouched()) {
00128     touch.readTouchData(x,y,touched);
00129     calibration.drawCalibPoint(x, y);
00130   }
00131 } 
00132 
00133 /******************************************************************************
00134  * Main
00135  *****************************************************************************/
00136 
00137 int main() {
00138   tft.init();
00139   touch.init();
00140   while (1) {
00141     loop();
00142   }
00143 }
00144