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Forked to initiate the Current Loop Gain
Dependencies: mbed QEI DmTftLibraryEx
Display/DisplayDriver.cpp
- Committer:
- lex9296
- Date:
- 2022-02-10
- Revision:
- 24:9f96fd6764d2
- Parent:
- 21:ab8027016a2c
- Child:
- 27:654100855f5c
File content as of revision 24:9f96fd6764d2:
/* ______ _ / _____) _ | | ( (____ _____ ____ _| |_ _____ ____| |__ \____ \| ___ | (_ _) ___ |/ ___) _ \ _____) ) ____| | | || |_| ____( (___| | | | (______/|_____)_|_|_| \__)_____)\____)_| |_| (C)2016 Semtech Description: Display driver implementation Maintainer: Gregory Cristian & Gilbert Menth */ #include "mbed.h" #include "Eeprom.h" #include "DisplayDriver.h" #include "DmTftIli9341.h" #include "DmTouch.h" #include "DmTouchCalibration.h" //If DISPLAY_INVERT is defined as 1 then the display will be inverted from its native orientation #define DISPLAY_INVERT 1 #define MAX_GO_STRING 30 #define SPACE_ASCII 0x20 #define FONT_WIDTH 8 // DmTftIli9341( PinName cs, PinName dc, PinName mosi, PinName miso, PinName clk ) // DM_TFT28_105 DmTftIli9341 Tft( D10, D9, D11, D12, D13 ); DmTouch Touch( DmTouch::DM_TFT28_105, D9, D11, D12 ); DmTouchCalibration Calibration = DmTouchCalibration( &Tft, &Touch ); /* * Used only to define pull-up on the CS lines */ DigitalInOut CsTouch( D4, PIN_OUTPUT, PullUp, 1 ); DigitalInOut CsDisplay( D10, PIN_OUTPUT, PullUp, 1 ); DigitalInOut CsSDCard( D8, PIN_OUTPUT, PullUp, 1 ); DigitalInOut CsFlash( D6, PIN_OUTPUT, PullUp, 1 ); MenuSettings_t MenuSettings; char GoTmpString[MAX_GO_STRING]; static int BmpWidth; static int BmpHeight; static uint8_t BmpImageoffset; static bool BmpReadHeader( uint8_t *thisBmp ); static uint16_t Read16( uint8_t *src ); static uint32_t Read32( uint8_t *src ); static void DrawBmpFromFlash( uint8_t *thisBmp, int x, int y ); void DisplayDriverInit( void ) { Tft.init( ); Touch.init( ); DisplayDriverCalibrate( ); Tft.clearScreen( ); for( uint8_t i = 0; i < MAX_GO_STRING; i++) GoTmpString[i] = SPACE_ASCII; } // Calibrates the touch screen void DisplayDriverCalibrate( void ) { uint16_t x, y = 0; bool touched = false; if( Eeprom.EepromData.MenuSettings.ScreenCalibrated == false ) { Tft.drawString( 5, 5, "Press and hold on cross" ); Tft.drawString( 5, 25, "until it turns green. " ); Point displayRefPoint[5]; Point touchRefPoint[5]; if( Calibration.getTouchReferencePoints( displayRefPoint, touchRefPoint,\ Tft.width( ), Tft.height( ) ) ) { CalibrationMatrix calibrationMatrix = \ Calibration.calculateCalibrationMatrix( displayRefPoint, \ touchRefPoint ); Touch.setCalibrationMatrix( calibrationMatrix ); Tft.clearScreen( ); Eeprom.EepromData.MenuSettings.Calibration.a = calibrationMatrix.a; Eeprom.EepromData.MenuSettings.Calibration.b = calibrationMatrix.b; Eeprom.EepromData.MenuSettings.Calibration.c = calibrationMatrix.c; Eeprom.EepromData.MenuSettings.Calibration.d = calibrationMatrix.d; Eeprom.EepromData.MenuSettings.Calibration.e = calibrationMatrix.e; Eeprom.EepromData.MenuSettings.Calibration.f = calibrationMatrix.f; Eeprom.EepromData.MenuSettings.ScreenCalibrated = true; EepromSaveSettings( SCREEN_DATA ); } else { Tft.clearScreen( ); Tft.drawString( 5, 5, "Calibration failed" ); Tft.drawString( 5, 25, "Please try again." ); // delay( 2000 ); wait(2000); Tft.clearScreen( ); return; } } else { Touch.setCalibrationMatrix( Eeprom.EepromData.MenuSettings.Calibration ); Tft.clearScreen( ); } if( Touch.isTouched( ) ) { Touch.readTouchData( x, y, touched ); Calibration.drawCalibPoint( x, y ); } } GraphObjectStatus_t GraphObjectDraw( GraphObject_t* goObject, uint8_t* source, \ bool doFill, bool activeTouch) { GraphObjectStatus_t status = GO_STATUS_NOERR; uint8_t maxChar; if( goObject == NULL ) { return GO_STATUS_BAD_ARG; } if( goObject->Xpos + goObject->Width > SCREEN_WIDTH ) { return GO_STATUS_BAD_COORD; } if( goObject->Ypos + goObject->Height > SCREEN_HEIGHT ) { return GO_STATUS_BAD_COORD; } switch( goObject->Type ) { case GO_TEXT: if( source == NULL ) { status = GO_STATUS_BAD_ARG; } else { uint8_t i = 0; uint8_t j = 0; // max character in the object string maxChar = goObject->Width / FONT_WIDTH; Tft.setTextColor( goObject->BackColor, goObject->FrontColor ); for( i = 0; i < maxChar; i++) { if( *source != 0 ) { Tft.drawChar( goObject->Xpos + j, goObject->Ypos, \ ( char )*( source++ ), false ); j += FONT_WIDTH; } else { Tft.drawChar( goObject->Xpos + ( FONT_WIDTH * i ), \ goObject->Ypos, SPACE_ASCII, false); } } goObject->TouchActive = activeTouch; } break; case GO_RECTANGLE: Tft.drawRectangle( goObject->Xpos, goObject->Ypos, goObject->Xpos + \ goObject->Width - 1, goObject->Ypos + \ goObject->Height - 1, goObject->FrontColor ); if( doFill ) { Tft.fillRectangle( goObject->Xpos + 1, goObject->Ypos + 1, \ goObject->Xpos + goObject->Width - 2, \ goObject->Ypos + goObject->Height - 2, \ goObject->FillColor ); } goObject->TouchActive = activeTouch; break; case GO_CIRCLE: Tft.drawCircle( goObject->Xpos, goObject->Ypos, \ ( goObject->Height < goObject->Width ) ? \ ( goObject->Height / 2 ) : ( goObject->Width / 2 ), \ goObject->FrontColor ); if( doFill ) { Tft.fillCircle( goObject->Xpos, goObject->Ypos, \ ( goObject->Height < goObject->Width ) ? \ ( goObject->Height / 2 ) - 1 : ( goObject->Width / 2 ) - 1, \ goObject->FillColor ); } goObject->TouchActive = activeTouch; break; case GO_TRIANGLE: status = GO_STATUS_BAD_ARG; break; case GO_IMAGE: if( source == NULL ) { status = GO_STATUS_BAD_ARG; } else { if( BmpReadHeader( goObject->Source ) ) { DrawBmpFromFlash( goObject->Source, goObject->Xpos, \ goObject->Ypos ); } else { // draw a red rectangle with a line through, to show error Tft.drawRectangle( goObject->Xpos, goObject->Ypos, \ goObject->Xpos + goObject->Width - 1, \ goObject->Ypos + goObject->Height - 1, \ OBJECT_ERROR ); Tft.drawLine( goObject->Xpos, goObject->Ypos, goObject->Xpos + \ goObject->Width - 1, goObject->Ypos + \ goObject->Height - 1, OBJECT_ERROR ); } goObject->TouchActive = activeTouch; } break; case GO_LINE: Tft.drawLine( goObject->Xpos, goObject->Ypos, goObject->Xpos + \ goObject->Width - 1, goObject->Ypos + \ goObject->Height - 1, goObject->FrontColor ); break; default: status = GO_STATUS_BAD_ARG; } return status; } GraphObjectStatus_t GraphObjectClear( GraphObject_t* goObject, bool doFill ) { GraphObjectStatus_t status = GO_STATUS_NOERR; uint8_t maxChar; if( goObject == NULL ) { return GO_STATUS_BAD_ARG; } if( goObject->Xpos + goObject->Width > SCREEN_WIDTH ) { return GO_STATUS_BAD_COORD; } if( goObject->Ypos + goObject->Height > SCREEN_HEIGHT ) { return GO_STATUS_BAD_COORD; } switch( goObject->Type ) { case GO_TEXT: // max character in the object string maxChar = goObject->Width / FONT_WIDTH; GoTmpString[maxChar] = NULL; Tft.setTextColor( goObject->BackColor, goObject->FrontColor ); Tft.drawString( goObject->Xpos, goObject->Ypos, GoTmpString ); GoTmpString[maxChar] = SPACE_ASCII; goObject->TouchActive = false; break; case GO_RECTANGLE: case GO_IMAGE: if( doFill ) { Tft.fillRectangle( goObject->Xpos, goObject->Ypos, \ goObject->Xpos + goObject->Width - 1, \ goObject->Ypos + goObject->Height - 1, \ goObject->BackColor ); } else { Tft.drawRectangle( goObject->Xpos, goObject->Ypos, goObject->Xpos + \ goObject->Width - 1, goObject->Ypos + \ goObject->Height - 1, goObject->BackColor ); } goObject->TouchActive = false; break; case GO_CIRCLE: if( doFill ) { Tft.fillCircle( goObject->Xpos, goObject->Ypos, \ ( goObject->Height < goObject->Width ) ? \ ( goObject->Height / 2 ) : ( goObject->Width / 2 ), \ goObject->BackColor ); } else { Tft.drawCircle( goObject->Xpos, goObject->Ypos, \ ( goObject->Height < goObject->Width ) ? \ ( goObject->Height / 2 ) : ( goObject->Width / 2 ), \ goObject->BackColor ); } goObject->TouchActive = false; break; case GO_TRIANGLE: status = GO_STATUS_BAD_ARG; goObject->TouchActive = false; break; case GO_LINE: Tft.drawLine( goObject->Xpos, goObject->Ypos, goObject->Xpos + \ goObject->Width - 1, goObject->Ypos + \ goObject->Height - 1, goObject->BackColor ); goObject->TouchActive = false; break; default: status = GO_STATUS_BAD_ARG; } return status; } void DisplayDriverDrawLogo( uint8_t *thisBmp, uint8_t xPos, uint8_t yPos ) { if( BmpReadHeader( thisBmp ) ) { DrawBmpFromFlash( thisBmp, xPos, yPos ); } } void TouchedXYT (uint16_t* x, uint16_t* y, bool* t) { uint16_t ui16_x; uint16_t ui16_y; bool b_t; Touch.readTouchData (ui16_x, ui16_y, b_t); *x = ui16_x; *y = ui16_y; *t = b_t; } GraphObjectStatus_t GraphObjectTouched( GraphObject_t* objects, \ uint8_t objectsCount, \ uint8_t* touchedObject) { uint8_t objScan; uint16_t x, y = 0; bool touched = false; GraphObjectStatus_t status = GO_STATUS_BAD_COORD; if( Touch.isTouched( ) ) { Touch.readTouchData( x, y, touched ); if( touched == true ) { for( objScan = 0; objScan < objectsCount; objScan++) { if( objects[objScan].TouchActive == true ) { if( ( y >= objects[objScan].Ypos ) && ( y <= ( objects[objScan].Ypos + objects[objScan].Height - 1 ) ) ) { if( ( x >= objects[objScan].Xpos ) && ( x <= ( objects[objScan].Xpos + objects[objScan].Width - 1 ) ) ) { *touchedObject = objects[objScan].Id; status = GO_STATUS_NOERR; break; // return the first object match and no scan of other following objects } } } } } } return status; } static bool BmpReadHeader( uint8_t *thisBmp ) { uint16_t pos = 0; Read16( thisBmp ); if( Read16( thisBmp ) != 0x4D42 ) { // read magic byte return false; } pos += 2; // read file size pos += 4; pos += 4; // Skip creator bytes BmpImageoffset = Read32( thisBmp + pos ); pos += 4; // read DIB header pos +=4; BmpWidth = Read32( thisBmp + pos ); pos += 4; BmpHeight = Read32( thisBmp + pos ); pos += 4; if( Read16( thisBmp + pos ) != 1 ) { // number of color planes must be 1 return false; } pos += 2; pos += 2; if( Read16( thisBmp + pos ) != 0 ) { return false; // compression not supported! } pos += 2; // Should really be 2?? return true; } // LITTLE ENDIAN! static uint16_t Read16( uint8_t *src ) { uint16_t d; uint8_t b; b = *src; d = *( src + 1 ); d <<= 8; d |= b; return d; } // LITTLE ENDIAN! static uint32_t Read32( uint8_t *src ) { uint32_t d; uint16_t b; b = Read16( src ); d = Read16( src + 2 ); d <<= 16; d |= b; return d; } static void DrawBmpFromFlash( uint8_t *thisBmp, int xPos, int yPos ) { uint16_t pos = BmpImageoffset; uint16_t p; // pixel uint8_t g; uint8_t b; int i, j; // line, column for( i = BmpHeight; i > 0; i-- ) { for( j = 0; j < BmpWidth; j++ ) { b = *( thisBmp + pos++ ); g = *( thisBmp + pos++ ); p = *( thisBmp + pos++ ); p >>= 3; p <<= 6; g >>= 2; p |= g; p <<= 5; b >>= 3; p |= b; // write out the 16 bits of color Tft.setPixel( j + xPos, i + yPos, p ); } pos += 1; } }