Luca Antolini / Mbed 2 deprecated Stabilus322699_LA0010

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Dependencies:   mbed QEI DmTftLibrary

Display/DisplayDriver.cpp@0:9c0917bfde97, 2017-03-13 (annotated)

Committer:
GregCr
Date:
Mon Mar 13 15:12:05 2017 +0000
Revision:
0:9c0917bfde97
Child:
17:a0bbfc228415
alpha release

Who changed what in which revision?

UserRevisionLine numberNew contents of line
GregCr 0:9c0917bfde97 1 /*
GregCr 0:9c0917bfde97 2 ______ _
GregCr 0:9c0917bfde97 3 / _____) _ | |
GregCr 0:9c0917bfde97 4 ( (____ _____ ____ _| |_ _____ ____| |__
GregCr 0:9c0917bfde97 5 \____ \| ___ | (_ _) ___ |/ ___) _ \
GregCr 0:9c0917bfde97 6 _____) ) ____| | | || |_| ____( (___| | | |
GregCr 0:9c0917bfde97 7 (______/|_____)_|_|_| \__)_____)\____)_| |_|
GregCr 0:9c0917bfde97 8 (C)2016 Semtech
GregCr 0:9c0917bfde97 9
GregCr 0:9c0917bfde97 10 Description: Display driver implementation
GregCr 0:9c0917bfde97 11
GregCr 0:9c0917bfde97 12 Maintainer: Gregory Cristian & Gilbert Menth
GregCr 0:9c0917bfde97 13 */
GregCr 0:9c0917bfde97 14
GregCr 0:9c0917bfde97 15 #include "mbed.h"
GregCr 0:9c0917bfde97 16 #include "Eeprom.h"
GregCr 0:9c0917bfde97 17 #include "DisplayDriver.h"
GregCr 0:9c0917bfde97 18 #include "DmTftIli9341.h"
GregCr 0:9c0917bfde97 19 #include "DmTouch.h"
GregCr 0:9c0917bfde97 20 #include "DmTouchCalibration.h"
GregCr 0:9c0917bfde97 21
GregCr 0:9c0917bfde97 22
GregCr 0:9c0917bfde97 23 //If DISPLAY_INVERT is defined as 1 then the display will be inverted from its native orientation
GregCr 0:9c0917bfde97 24 #define DISPLAY_INVERT 1
GregCr 0:9c0917bfde97 25
GregCr 0:9c0917bfde97 26 #define MAX_GO_STRING 30
GregCr 0:9c0917bfde97 27 #define SPACE_ASCII 0x20
GregCr 0:9c0917bfde97 28 #define FONT_WIDTH 8
GregCr 0:9c0917bfde97 29
GregCr 0:9c0917bfde97 30 // DmTftIli9341( PinName cs, PinName dc, PinName mosi, PinName miso, PinName clk )
GregCr 0:9c0917bfde97 31 // DM_TFT28_105
GregCr 0:9c0917bfde97 32 DmTftIli9341 Tft( D10, D9, D11, D12, D13 );
GregCr 0:9c0917bfde97 33 DmTouch Touch( DmTouch::DM_TFT28_105, D9, D11, D12 );
GregCr 0:9c0917bfde97 34 DmTouchCalibration Calibration = DmTouchCalibration( &Tft, &Touch );
GregCr 0:9c0917bfde97 35
GregCr 0:9c0917bfde97 36 /*
GregCr 0:9c0917bfde97 37 * Used only to define pull-up on the CS lines
GregCr 0:9c0917bfde97 38 */
GregCr 0:9c0917bfde97 39 DigitalInOut CsTouch( D4, PIN_OUTPUT, PullUp, 1 );
GregCr 0:9c0917bfde97 40 DigitalInOut CsDisplay( D10, PIN_OUTPUT, PullUp, 1 );
GregCr 0:9c0917bfde97 41 DigitalInOut CsSDCard( D8, PIN_OUTPUT, PullUp, 1 );
GregCr 0:9c0917bfde97 42 DigitalInOut CsFlash( D6, PIN_OUTPUT, PullUp, 1 );
GregCr 0:9c0917bfde97 43
GregCr 0:9c0917bfde97 44 MenuSettings_t MenuSettings;
GregCr 0:9c0917bfde97 45 char GoTmpString[MAX_GO_STRING];
GregCr 0:9c0917bfde97 46
GregCr 0:9c0917bfde97 47
GregCr 0:9c0917bfde97 48 static int BmpWidth;
GregCr 0:9c0917bfde97 49 static int BmpHeight;
GregCr 0:9c0917bfde97 50 static uint8_t BmpImageoffset;
GregCr 0:9c0917bfde97 51
GregCr 0:9c0917bfde97 52 static bool BmpReadHeader( uint8_t *thisBmp );
GregCr 0:9c0917bfde97 53 static uint16_t Read16( uint8_t *src );
GregCr 0:9c0917bfde97 54 static uint32_t Read32( uint8_t *src );
GregCr 0:9c0917bfde97 55 static void DrawBmpFromFlash( uint8_t *thisBmp, int x, int y );
GregCr 0:9c0917bfde97 56
GregCr 0:9c0917bfde97 57
GregCr 0:9c0917bfde97 58 void DisplayDriverInit( void )
GregCr 0:9c0917bfde97 59 {
GregCr 0:9c0917bfde97 60 Tft.init( );
GregCr 0:9c0917bfde97 61 Touch.init( );
GregCr 0:9c0917bfde97 62
GregCr 0:9c0917bfde97 63 DisplayDriverCalibrate( );
GregCr 0:9c0917bfde97 64 Tft.clearScreen( );
GregCr 0:9c0917bfde97 65
GregCr 0:9c0917bfde97 66 for( uint8_t i = 0; i < MAX_GO_STRING; i++) GoTmpString[i] = SPACE_ASCII;
GregCr 0:9c0917bfde97 67 }
GregCr 0:9c0917bfde97 68
GregCr 0:9c0917bfde97 69 // Calibrates the touch screen
GregCr 0:9c0917bfde97 70 void DisplayDriverCalibrate( void )
GregCr 0:9c0917bfde97 71 {
GregCr 0:9c0917bfde97 72 uint16_t x, y = 0;
GregCr 0:9c0917bfde97 73 bool touched = false;
GregCr 0:9c0917bfde97 74
GregCr 0:9c0917bfde97 75 if( Eeprom.EepromData.MenuSettings.ScreenCalibrated == false )
GregCr 0:9c0917bfde97 76 {
GregCr 0:9c0917bfde97 77 Tft.drawString( 5, 5, "Press and hold on cross" );
GregCr 0:9c0917bfde97 78 Tft.drawString( 5, 25, "until it turns green. " );
GregCr 0:9c0917bfde97 79
GregCr 0:9c0917bfde97 80 Point displayRefPoint[5];
GregCr 0:9c0917bfde97 81 Point touchRefPoint[5];
GregCr 0:9c0917bfde97 82
GregCr 0:9c0917bfde97 83 if( Calibration.getTouchReferencePoints( displayRefPoint, touchRefPoint,\
GregCr 0:9c0917bfde97 84 Tft.width( ), Tft.height( ) ) )
GregCr 0:9c0917bfde97 85 {
GregCr 0:9c0917bfde97 86 CalibrationMatrix calibrationMatrix = \
GregCr 0:9c0917bfde97 87 Calibration.calculateCalibrationMatrix( displayRefPoint, \
GregCr 0:9c0917bfde97 88 touchRefPoint );
GregCr 0:9c0917bfde97 89
GregCr 0:9c0917bfde97 90 Touch.setCalibrationMatrix( calibrationMatrix );
GregCr 0:9c0917bfde97 91 Tft.clearScreen( );
GregCr 0:9c0917bfde97 92 Eeprom.EepromData.MenuSettings.Calibration.a = calibrationMatrix.a;
GregCr 0:9c0917bfde97 93 Eeprom.EepromData.MenuSettings.Calibration.b = calibrationMatrix.b;
GregCr 0:9c0917bfde97 94 Eeprom.EepromData.MenuSettings.Calibration.c = calibrationMatrix.c;
GregCr 0:9c0917bfde97 95 Eeprom.EepromData.MenuSettings.Calibration.d = calibrationMatrix.d;
GregCr 0:9c0917bfde97 96 Eeprom.EepromData.MenuSettings.Calibration.e = calibrationMatrix.e;
GregCr 0:9c0917bfde97 97 Eeprom.EepromData.MenuSettings.Calibration.f = calibrationMatrix.f;
GregCr 0:9c0917bfde97 98 Eeprom.EepromData.MenuSettings.ScreenCalibrated = true;
GregCr 0:9c0917bfde97 99 EepromSaveSettings( SCREEN_DATA );
GregCr 0:9c0917bfde97 100 }
GregCr 0:9c0917bfde97 101 else
GregCr 0:9c0917bfde97 102 {
GregCr 0:9c0917bfde97 103 Tft.clearScreen( );
GregCr 0:9c0917bfde97 104 Tft.drawString( 5, 5, "Calibration failed" );
GregCr 0:9c0917bfde97 105 Tft.drawString( 5, 25, "Please try again." );
GregCr 0:9c0917bfde97 106 delay( 2000 );
GregCr 0:9c0917bfde97 107 Tft.clearScreen( );
GregCr 0:9c0917bfde97 108 return;
GregCr 0:9c0917bfde97 109 }
GregCr 0:9c0917bfde97 110 }
GregCr 0:9c0917bfde97 111 else
GregCr 0:9c0917bfde97 112 {
GregCr 0:9c0917bfde97 113 Touch.setCalibrationMatrix( Eeprom.EepromData.MenuSettings.Calibration );
GregCr 0:9c0917bfde97 114 Tft.clearScreen( );
GregCr 0:9c0917bfde97 115 }
GregCr 0:9c0917bfde97 116
GregCr 0:9c0917bfde97 117 if( Touch.isTouched( ) )
GregCr 0:9c0917bfde97 118 {
GregCr 0:9c0917bfde97 119 Touch.readTouchData( x, y, touched );
GregCr 0:9c0917bfde97 120 Calibration.drawCalibPoint( x, y );
GregCr 0:9c0917bfde97 121 }
GregCr 0:9c0917bfde97 122 }
GregCr 0:9c0917bfde97 123
GregCr 0:9c0917bfde97 124 GraphObjectStatus_t GraphObjectDraw( GraphObject_t* goObject, uint8_t* source, \
GregCr 0:9c0917bfde97 125 bool doFill, bool activeTouch)
GregCr 0:9c0917bfde97 126 {
GregCr 0:9c0917bfde97 127 GraphObjectStatus_t status = GO_STATUS_NOERR;
GregCr 0:9c0917bfde97 128 uint8_t maxChar;
GregCr 0:9c0917bfde97 129
GregCr 0:9c0917bfde97 130 if( goObject == NULL )
GregCr 0:9c0917bfde97 131 {
GregCr 0:9c0917bfde97 132 return GO_STATUS_BAD_ARG;
GregCr 0:9c0917bfde97 133 }
GregCr 0:9c0917bfde97 134
GregCr 0:9c0917bfde97 135 switch( goObject->Type )
GregCr 0:9c0917bfde97 136 {
GregCr 0:9c0917bfde97 137 case GO_TEXT:
GregCr 0:9c0917bfde97 138 if( source == NULL )
GregCr 0:9c0917bfde97 139 {
GregCr 0:9c0917bfde97 140 status = GO_STATUS_BAD_ARG;
GregCr 0:9c0917bfde97 141 }
GregCr 0:9c0917bfde97 142 else
GregCr 0:9c0917bfde97 143 {
GregCr 0:9c0917bfde97 144 uint8_t i = 0;
GregCr 0:9c0917bfde97 145 uint8_t j = 0;
GregCr 0:9c0917bfde97 146 // max character in the object string
GregCr 0:9c0917bfde97 147 maxChar = goObject->Width / FONT_WIDTH;
GregCr 0:9c0917bfde97 148 Tft.setTextColor( goObject->BackColor, goObject->FrontColor );
GregCr 0:9c0917bfde97 149 for( i = 0; i < maxChar; i++)
GregCr 0:9c0917bfde97 150 {
GregCr 0:9c0917bfde97 151 if( *source != 0 )
GregCr 0:9c0917bfde97 152 {
GregCr 0:9c0917bfde97 153 Tft.drawChar( goObject->Xpos + j, goObject->Ypos, \
GregCr 0:9c0917bfde97 154 ( char )*( source++ ), false );
GregCr 0:9c0917bfde97 155 j += FONT_WIDTH;
GregCr 0:9c0917bfde97 156 }
GregCr 0:9c0917bfde97 157 else
GregCr 0:9c0917bfde97 158 {
GregCr 0:9c0917bfde97 159 Tft.drawChar( goObject->Xpos + ( FONT_WIDTH * i ), \
GregCr 0:9c0917bfde97 160 goObject->Ypos, SPACE_ASCII, false);
GregCr 0:9c0917bfde97 161 }
GregCr 0:9c0917bfde97 162 }
GregCr 0:9c0917bfde97 163 goObject->TouchActive = activeTouch;
GregCr 0:9c0917bfde97 164 }
GregCr 0:9c0917bfde97 165 break;
GregCr 0:9c0917bfde97 166
GregCr 0:9c0917bfde97 167 case GO_RECTANGLE:
GregCr 0:9c0917bfde97 168 Tft.drawRectangle( goObject->Xpos, goObject->Ypos, goObject->Xpos + \
GregCr 0:9c0917bfde97 169 goObject->Width - 1, goObject->Ypos + \
GregCr 0:9c0917bfde97 170 goObject->Height - 1, goObject->FrontColor );
GregCr 0:9c0917bfde97 171 if( doFill )
GregCr 0:9c0917bfde97 172 {
GregCr 0:9c0917bfde97 173 Tft.fillRectangle( goObject->Xpos + 1, goObject->Ypos + 1, \
GregCr 0:9c0917bfde97 174 goObject->Xpos + goObject->Width - 2, \
GregCr 0:9c0917bfde97 175 goObject->Ypos + goObject->Height - 2, \
GregCr 0:9c0917bfde97 176 goObject->FillColor );
GregCr 0:9c0917bfde97 177 }
GregCr 0:9c0917bfde97 178 goObject->TouchActive = activeTouch;
GregCr 0:9c0917bfde97 179 break;
GregCr 0:9c0917bfde97 180
GregCr 0:9c0917bfde97 181 case GO_CIRCLE:
GregCr 0:9c0917bfde97 182 Tft.drawCircle( goObject->Xpos, goObject->Ypos, \
GregCr 0:9c0917bfde97 183 ( goObject->Height < goObject->Width ) ? \
GregCr 0:9c0917bfde97 184 ( goObject->Height / 2 ) : ( goObject->Width / 2 ), \
GregCr 0:9c0917bfde97 185 goObject->FrontColor );
GregCr 0:9c0917bfde97 186 if( doFill )
GregCr 0:9c0917bfde97 187 {
GregCr 0:9c0917bfde97 188 Tft.fillCircle( goObject->Xpos, goObject->Ypos, \
GregCr 0:9c0917bfde97 189 ( goObject->Height < goObject->Width ) ? \
GregCr 0:9c0917bfde97 190 ( goObject->Height / 2 ) - 1 : ( goObject->Width / 2 ) - 1, \
GregCr 0:9c0917bfde97 191 goObject->FillColor );
GregCr 0:9c0917bfde97 192 }
GregCr 0:9c0917bfde97 193 goObject->TouchActive = activeTouch;
GregCr 0:9c0917bfde97 194 break;
GregCr 0:9c0917bfde97 195
GregCr 0:9c0917bfde97 196 case GO_TRIANGLE:
GregCr 0:9c0917bfde97 197 status = GO_STATUS_BAD_ARG;
GregCr 0:9c0917bfde97 198 break;
GregCr 0:9c0917bfde97 199
GregCr 0:9c0917bfde97 200 case GO_IMAGE:
GregCr 0:9c0917bfde97 201 if( source == NULL )
GregCr 0:9c0917bfde97 202 {
GregCr 0:9c0917bfde97 203 status = GO_STATUS_BAD_ARG;
GregCr 0:9c0917bfde97 204 }
GregCr 0:9c0917bfde97 205 else
GregCr 0:9c0917bfde97 206 {
GregCr 0:9c0917bfde97 207 if( BmpReadHeader( goObject->Source ) )
GregCr 0:9c0917bfde97 208 {
GregCr 0:9c0917bfde97 209 DrawBmpFromFlash( goObject->Source, goObject->Xpos, \
GregCr 0:9c0917bfde97 210 goObject->Ypos );
GregCr 0:9c0917bfde97 211 }
GregCr 0:9c0917bfde97 212 else
GregCr 0:9c0917bfde97 213 {
GregCr 0:9c0917bfde97 214 // draw a red rectangle with a line through, to show error
GregCr 0:9c0917bfde97 215 Tft.drawRectangle( goObject->Xpos, goObject->Ypos, \
GregCr 0:9c0917bfde97 216 goObject->Xpos + goObject->Width - 1, \
GregCr 0:9c0917bfde97 217 goObject->Ypos + goObject->Height - 1, \
GregCr 0:9c0917bfde97 218 OBJECT_ERROR );
GregCr 0:9c0917bfde97 219 Tft.drawLine( goObject->Xpos, goObject->Ypos, goObject->Xpos + \
GregCr 0:9c0917bfde97 220 goObject->Width - 1, goObject->Ypos + \
GregCr 0:9c0917bfde97 221 goObject->Height - 1, OBJECT_ERROR );
GregCr 0:9c0917bfde97 222 }
GregCr 0:9c0917bfde97 223 goObject->TouchActive = activeTouch;
GregCr 0:9c0917bfde97 224 }
GregCr 0:9c0917bfde97 225 break;
GregCr 0:9c0917bfde97 226
GregCr 0:9c0917bfde97 227 case GO_LINE:
GregCr 0:9c0917bfde97 228 Tft.drawLine( goObject->Xpos, goObject->Ypos, goObject->Xpos + \
GregCr 0:9c0917bfde97 229 goObject->Width - 1, goObject->Ypos + \
GregCr 0:9c0917bfde97 230 goObject->Height - 1, goObject->FrontColor );
GregCr 0:9c0917bfde97 231 break;
GregCr 0:9c0917bfde97 232
GregCr 0:9c0917bfde97 233 default:
GregCr 0:9c0917bfde97 234 status = GO_STATUS_BAD_ARG;
GregCr 0:9c0917bfde97 235 }
GregCr 0:9c0917bfde97 236 return status;
GregCr 0:9c0917bfde97 237 }
GregCr 0:9c0917bfde97 238
GregCr 0:9c0917bfde97 239 GraphObjectStatus_t GraphObjectClear( GraphObject_t* goObject, bool doFill )
GregCr 0:9c0917bfde97 240 {
GregCr 0:9c0917bfde97 241 GraphObjectStatus_t status = GO_STATUS_NOERR;
GregCr 0:9c0917bfde97 242 uint8_t maxChar;
GregCr 0:9c0917bfde97 243
GregCr 0:9c0917bfde97 244 if( goObject == NULL )
GregCr 0:9c0917bfde97 245 {
GregCr 0:9c0917bfde97 246 return GO_STATUS_BAD_ARG;
GregCr 0:9c0917bfde97 247 }
GregCr 0:9c0917bfde97 248
GregCr 0:9c0917bfde97 249 switch( goObject->Type )
GregCr 0:9c0917bfde97 250 {
GregCr 0:9c0917bfde97 251 case GO_TEXT:
GregCr 0:9c0917bfde97 252 // max character in the object string
GregCr 0:9c0917bfde97 253 maxChar = goObject->Width / FONT_WIDTH;
GregCr 0:9c0917bfde97 254 GoTmpString[maxChar] = NULL;
GregCr 0:9c0917bfde97 255 Tft.setTextColor( goObject->BackColor, goObject->FrontColor );
GregCr 0:9c0917bfde97 256 Tft.drawString( goObject->Xpos, goObject->Ypos, GoTmpString );
GregCr 0:9c0917bfde97 257 GoTmpString[maxChar] = SPACE_ASCII;
GregCr 0:9c0917bfde97 258 goObject->TouchActive = false;
GregCr 0:9c0917bfde97 259 break;
GregCr 0:9c0917bfde97 260
GregCr 0:9c0917bfde97 261 case GO_RECTANGLE:
GregCr 0:9c0917bfde97 262 case GO_IMAGE:
GregCr 0:9c0917bfde97 263 if( doFill )
GregCr 0:9c0917bfde97 264 {
GregCr 0:9c0917bfde97 265 Tft.fillRectangle( goObject->Xpos, goObject->Ypos, \
GregCr 0:9c0917bfde97 266 goObject->Xpos + goObject->Width - 1, \
GregCr 0:9c0917bfde97 267 goObject->Ypos + goObject->Height - 1, \
GregCr 0:9c0917bfde97 268 goObject->BackColor );
GregCr 0:9c0917bfde97 269 }
GregCr 0:9c0917bfde97 270 else
GregCr 0:9c0917bfde97 271 {
GregCr 0:9c0917bfde97 272 Tft.drawRectangle( goObject->Xpos, goObject->Ypos, goObject->Xpos + \
GregCr 0:9c0917bfde97 273 goObject->Width - 1, goObject->Ypos + \
GregCr 0:9c0917bfde97 274 goObject->Height - 1, goObject->BackColor );
GregCr 0:9c0917bfde97 275 }
GregCr 0:9c0917bfde97 276 goObject->TouchActive = false;
GregCr 0:9c0917bfde97 277 break;
GregCr 0:9c0917bfde97 278
GregCr 0:9c0917bfde97 279 case GO_CIRCLE:
GregCr 0:9c0917bfde97 280 if( doFill )
GregCr 0:9c0917bfde97 281 {
GregCr 0:9c0917bfde97 282 Tft.fillCircle( goObject->Xpos, goObject->Ypos, \
GregCr 0:9c0917bfde97 283 ( goObject->Height < goObject->Width ) ? \
GregCr 0:9c0917bfde97 284 ( goObject->Height / 2 ) : ( goObject->Width / 2 ), \
GregCr 0:9c0917bfde97 285 goObject->BackColor );
GregCr 0:9c0917bfde97 286 }
GregCr 0:9c0917bfde97 287 else
GregCr 0:9c0917bfde97 288 {
GregCr 0:9c0917bfde97 289 Tft.drawCircle( goObject->Xpos, goObject->Ypos, \
GregCr 0:9c0917bfde97 290 ( goObject->Height < goObject->Width ) ? \
GregCr 0:9c0917bfde97 291 ( goObject->Height / 2 ) : ( goObject->Width / 2 ), \
GregCr 0:9c0917bfde97 292 goObject->BackColor );
GregCr 0:9c0917bfde97 293 }
GregCr 0:9c0917bfde97 294 goObject->TouchActive = false;
GregCr 0:9c0917bfde97 295 break;
GregCr 0:9c0917bfde97 296
GregCr 0:9c0917bfde97 297 case GO_TRIANGLE:
GregCr 0:9c0917bfde97 298 status = GO_STATUS_BAD_ARG;
GregCr 0:9c0917bfde97 299 goObject->TouchActive = false;
GregCr 0:9c0917bfde97 300 break;
GregCr 0:9c0917bfde97 301
GregCr 0:9c0917bfde97 302 case GO_LINE:
GregCr 0:9c0917bfde97 303 Tft.drawLine( goObject->Xpos, goObject->Ypos, goObject->Xpos + \
GregCr 0:9c0917bfde97 304 goObject->Width - 1, goObject->Ypos + \
GregCr 0:9c0917bfde97 305 goObject->Height - 1, goObject->BackColor );
GregCr 0:9c0917bfde97 306 goObject->TouchActive = false;
GregCr 0:9c0917bfde97 307 break;
GregCr 0:9c0917bfde97 308
GregCr 0:9c0917bfde97 309 default:
GregCr 0:9c0917bfde97 310 status = GO_STATUS_BAD_ARG;
GregCr 0:9c0917bfde97 311 }
GregCr 0:9c0917bfde97 312 return status;
GregCr 0:9c0917bfde97 313 }
GregCr 0:9c0917bfde97 314
GregCr 0:9c0917bfde97 315 void DisplayDriverDrawLogo( uint8_t *thisBmp, uint8_t xPos, uint8_t yPos )
GregCr 0:9c0917bfde97 316 {
GregCr 0:9c0917bfde97 317 if( BmpReadHeader( thisBmp ) )
GregCr 0:9c0917bfde97 318 {
GregCr 0:9c0917bfde97 319 DrawBmpFromFlash( thisBmp, xPos, yPos );
GregCr 0:9c0917bfde97 320 }
GregCr 0:9c0917bfde97 321 }
GregCr 0:9c0917bfde97 322
GregCr 0:9c0917bfde97 323 GraphObjectStatus_t GraphObjectTouched( GraphObject_t* objects, \
GregCr 0:9c0917bfde97 324 uint8_t objectsCount, \
GregCr 0:9c0917bfde97 325 uint8_t* touchedObject)
GregCr 0:9c0917bfde97 326 {
GregCr 0:9c0917bfde97 327 uint8_t objScan;
GregCr 0:9c0917bfde97 328 uint16_t x, y = 0;
GregCr 0:9c0917bfde97 329 bool touched = false;
GregCr 0:9c0917bfde97 330 GraphObjectStatus_t status = GO_STATUS_BAD_COORD;
GregCr 0:9c0917bfde97 331
GregCr 0:9c0917bfde97 332 __disable_irq( ); // Disable Interrupts
GregCr 0:9c0917bfde97 333
GregCr 0:9c0917bfde97 334 if( Touch.isTouched( ) )
GregCr 0:9c0917bfde97 335 {
GregCr 0:9c0917bfde97 336 Touch.readTouchData( x, y, touched );
GregCr 0:9c0917bfde97 337
GregCr 0:9c0917bfde97 338 if( touched == true )
GregCr 0:9c0917bfde97 339 {
GregCr 0:9c0917bfde97 340 for( objScan = 0; objScan < objectsCount; objScan++)
GregCr 0:9c0917bfde97 341 {
GregCr 0:9c0917bfde97 342 if( objects[objScan].TouchActive == true )
GregCr 0:9c0917bfde97 343 {
GregCr 0:9c0917bfde97 344 if( ( y >= objects[objScan].Ypos ) && ( y <= ( objects[objScan].Ypos + objects[objScan].Height - 1 ) ) )
GregCr 0:9c0917bfde97 345 {
GregCr 0:9c0917bfde97 346 if( ( x >= objects[objScan].Xpos ) && ( x <= ( objects[objScan].Xpos + objects[objScan].Width - 1 ) ) )
GregCr 0:9c0917bfde97 347 {
GregCr 0:9c0917bfde97 348 *touchedObject = objects[objScan].Id;
GregCr 0:9c0917bfde97 349 status = GO_STATUS_NOERR;
GregCr 0:9c0917bfde97 350 break; // return the first object match and no scan of other following objects
GregCr 0:9c0917bfde97 351 }
GregCr 0:9c0917bfde97 352 }
GregCr 0:9c0917bfde97 353 }
GregCr 0:9c0917bfde97 354 }
GregCr 0:9c0917bfde97 355 }
GregCr 0:9c0917bfde97 356 }
GregCr 0:9c0917bfde97 357
GregCr 0:9c0917bfde97 358 __enable_irq( ); // Enable Interrupts
GregCr 0:9c0917bfde97 359
GregCr 0:9c0917bfde97 360 return status;
GregCr 0:9c0917bfde97 361 }
GregCr 0:9c0917bfde97 362
GregCr 0:9c0917bfde97 363 static bool BmpReadHeader( uint8_t *thisBmp )
GregCr 0:9c0917bfde97 364 {
GregCr 0:9c0917bfde97 365 uint16_t pos = 0;
GregCr 0:9c0917bfde97 366
GregCr 0:9c0917bfde97 367 Read16( thisBmp );
GregCr 0:9c0917bfde97 368 if( Read16( thisBmp ) != 0x4D42 )
GregCr 0:9c0917bfde97 369 { // read magic byte
GregCr 0:9c0917bfde97 370 return false;
GregCr 0:9c0917bfde97 371 }
GregCr 0:9c0917bfde97 372 pos += 2;
GregCr 0:9c0917bfde97 373
GregCr 0:9c0917bfde97 374 // read file size
GregCr 0:9c0917bfde97 375 pos += 4;
GregCr 0:9c0917bfde97 376 pos += 4; // Skip creator bytes
GregCr 0:9c0917bfde97 377 BmpImageoffset = Read32( thisBmp + pos );
GregCr 0:9c0917bfde97 378 pos += 4;
GregCr 0:9c0917bfde97 379 // read DIB header
GregCr 0:9c0917bfde97 380 pos +=4;
GregCr 0:9c0917bfde97 381 BmpWidth = Read32( thisBmp + pos );
GregCr 0:9c0917bfde97 382 pos += 4;
GregCr 0:9c0917bfde97 383 BmpHeight = Read32( thisBmp + pos );
GregCr 0:9c0917bfde97 384 pos += 4;
GregCr 0:9c0917bfde97 385 if( Read16( thisBmp + pos ) != 1 )
GregCr 0:9c0917bfde97 386 {
GregCr 0:9c0917bfde97 387 // number of color planes must be 1
GregCr 0:9c0917bfde97 388 return false;
GregCr 0:9c0917bfde97 389 }
GregCr 0:9c0917bfde97 390 pos += 2;
GregCr 0:9c0917bfde97 391 pos += 2;
GregCr 0:9c0917bfde97 392 if( Read16( thisBmp + pos ) != 0 )
GregCr 0:9c0917bfde97 393 {
GregCr 0:9c0917bfde97 394 return false; // compression not supported!
GregCr 0:9c0917bfde97 395 }
GregCr 0:9c0917bfde97 396 pos += 2; // Should really be 2??
GregCr 0:9c0917bfde97 397 return true;
GregCr 0:9c0917bfde97 398 }
GregCr 0:9c0917bfde97 399
GregCr 0:9c0917bfde97 400 // LITTLE ENDIAN!
GregCr 0:9c0917bfde97 401 static uint16_t Read16( uint8_t *src )
GregCr 0:9c0917bfde97 402 {
GregCr 0:9c0917bfde97 403 uint16_t d;
GregCr 0:9c0917bfde97 404 uint8_t b;
GregCr 0:9c0917bfde97 405 b = *src;
GregCr 0:9c0917bfde97 406 d = *( src + 1 );
GregCr 0:9c0917bfde97 407 d <<= 8;
GregCr 0:9c0917bfde97 408 d |= b;
GregCr 0:9c0917bfde97 409 return d;
GregCr 0:9c0917bfde97 410 }
GregCr 0:9c0917bfde97 411
GregCr 0:9c0917bfde97 412 // LITTLE ENDIAN!
GregCr 0:9c0917bfde97 413 static uint32_t Read32( uint8_t *src )
GregCr 0:9c0917bfde97 414 {
GregCr 0:9c0917bfde97 415 uint32_t d;
GregCr 0:9c0917bfde97 416 uint16_t b;
GregCr 0:9c0917bfde97 417
GregCr 0:9c0917bfde97 418 b = Read16( src );
GregCr 0:9c0917bfde97 419 d = Read16( src + 2 );
GregCr 0:9c0917bfde97 420 d <<= 16;
GregCr 0:9c0917bfde97 421 d |= b;
GregCr 0:9c0917bfde97 422 return d;
GregCr 0:9c0917bfde97 423 }
GregCr 0:9c0917bfde97 424
GregCr 0:9c0917bfde97 425 static void DrawBmpFromFlash( uint8_t *thisBmp, int xPos, int yPos )
GregCr 0:9c0917bfde97 426 {
GregCr 0:9c0917bfde97 427 uint16_t pos = BmpImageoffset;
GregCr 0:9c0917bfde97 428 uint16_t p; // pixel
GregCr 0:9c0917bfde97 429 uint8_t g;
GregCr 0:9c0917bfde97 430 uint8_t b;
GregCr 0:9c0917bfde97 431 int i, j; // line, column
GregCr 0:9c0917bfde97 432
GregCr 0:9c0917bfde97 433 for( i = BmpHeight; i > 0; i-- )
GregCr 0:9c0917bfde97 434 {
GregCr 0:9c0917bfde97 435 for( j = 0; j < BmpWidth; j++ )
GregCr 0:9c0917bfde97 436 {
GregCr 0:9c0917bfde97 437 b = *( thisBmp + pos++ );
GregCr 0:9c0917bfde97 438 g = *( thisBmp + pos++ );
GregCr 0:9c0917bfde97 439 p = *( thisBmp + pos++ );
GregCr 0:9c0917bfde97 440
GregCr 0:9c0917bfde97 441 p >>= 3;
GregCr 0:9c0917bfde97 442 p <<= 6;
GregCr 0:9c0917bfde97 443
GregCr 0:9c0917bfde97 444 g >>= 2;
GregCr 0:9c0917bfde97 445 p |= g;
GregCr 0:9c0917bfde97 446 p <<= 5;
GregCr 0:9c0917bfde97 447
GregCr 0:9c0917bfde97 448 b >>= 3;
GregCr 0:9c0917bfde97 449 p |= b;
GregCr 0:9c0917bfde97 450
GregCr 0:9c0917bfde97 451 // write out the 16 bits of color
GregCr 0:9c0917bfde97 452 Tft.setPixel( j + xPos, i + yPos, p );
GregCr 0:9c0917bfde97 453 }
GregCr 0:9c0917bfde97 454 pos += 1;
GregCr 0:9c0917bfde97 455 }
GregCr 0:9c0917bfde97 456 }