C++ file for display control
Dependencies: 4DGL mbed ConfigFile
Fork of 4DGLtest by
Diff: display.cpp
- Revision:
- 3:f7bce78b04c1
- Child:
- 6:904d00252480
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/display.cpp Thu Jun 26 11:41:45 2014 +0000 @@ -0,0 +1,177 @@ +//Display control functions -- + +#include "mbed.h" +#include "TFT_4DGL.h" +#include "display.h" +#include <string> +using namespace std; + +/* +===================================================== +SGC (Serial Graphics Controller) PLATFORM OUTPUT FILE +===================================================== + +******************************************************* +* Must set 'New image format' for usage on Picaso SGC * +* Data: * +* 0x59, 0x06, 0x00 * +* 4DSL command: * +* Control(6,0) * +******************************************************* + +--------------------------------------------------------------------------------------- +File "logo_flyengravity.jpg" (logo_flyengravity.jpg) +Sector Address 0x000000 +X = 0 Y = 135 Width = 640 Height = 215 Bits = 16 + +Display Image from Memory Card (Serial Command): +Syntax: +@, I, x, y, SectorAdd(hi), SectorAdd(mid), SectorAdd(lo) +Picaso Data: +0x40, 0x49, 0x00, 0x00, 0x00, 0x87, 0x00, 0x00, 0x00 +4DSL command: +NewUSDImage(0, 135, 0x000000) + +--------------------------------------------------------------------------------------- +File "Testscreen.png" (Testscreen.png) +Sector Address 0x00021A +X = 0 Y = 0 Width = 640 Height = 480 Bits = 16 + +Display Image from Memory Card (Serial Command): +Syntax: +@, I, x, y, SectorAdd(hi), SectorAdd(mid), SectorAdd(lo) +Picaso Data: +0x40, 0x49, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x1A +4DSL command: +NewUSDImage(0, 0, 0x00021A) + +*/ + +/*Display Commands + +$PCDUCLS Erase to active background colour (default black) or white +=================================================================== +Syntax: $PCDUCLS, <mode>*<checksum>CRLF + <mode>=0 : Clear screen to current background colour (default=black) + <mode>=1 : Clear screen to white + +$PCDUSBC Set Background Color +==================================================================== +Syntax: $PCDUSBC,<Rcolour>,<Gcolour>,<Bcolour>*<checksum>CRLF + < Rcolour > : RED (000‐255) + < Gcolour > : GREEN (000‐255) + < Bcolour > : BLUE (000‐255) + Set background colour to RGB as defined in the three data fields. + +$PCDUWTX WTX=WRITE TEXT Write text on any X,Y position on the screen. +===================================================================== +Syntax: $PCDUWTX,<Fsize>,<Fstyle>,<Rcolour>,<Gcolour>,<Bcolour>,<Text><Col>,<Row>*<checksum>CRLF + <Fsize> : Font size (F0..F9). Currently F0 and F1 are implemented. + <Fstyle> : Font style (S=Standard, B=Bold, I=Italic, U=Underline, N=Negative) + < Rcolour > : RED (000‐255) + < Gcolour > : GREEN (000‐255) + < Bcolour > : BLUE (000‐255) + <Text> : Any printable ASCII character except the * character as this is used as the text field delimiter. + Maximum length is 24 characters, minimum length is 1 character for font F0. + Maximum length is 48 characters, minumum length is 1 character for font F1. + <Col> : Horizontal position of the first character (1..24) + <Row> : Vertical position of the line (1..14) + +$PCDUETX ETX=ERASE TEXT +============================================================= +Syntax: $PCDUETX, <Col>,<Row>,<n>*<checksum>CRLF + <Col> : Horizontal position of the first character (1..24 for font F0 or 1..48 for font F1) + <Row> : Vertical position of the line (1‐14) + <n> : number of characters to be erased (1..24 for font F0 or 1..48 for font F1) + +$PCDUKTX Write text attached to a Select Key +=========================================================== +Syntax: $PCDUKTX,<KeyID>,<Texttype>,<Fsize>,<Fstyle>,<Rcolour>,<Gcolour>,<Bcolour>,<Text>*< checksum>CRLF + <KeyID> : Numbering is 00 – 49 for left keys and 50 – 99 for right keys. Top keys are 00 and 50. + <Texttype> : M or S, meaning Main text or Subtext. + <Fsize> : Font size (F0..F9). Currently F0 and F1 are implemented. + <Fstyle> : Font style (S=Standard, B=Bold, I=Italic, U=Underline, N=Negative) + < Rcolour > : RED (000‐255) + < Gcolour > : GREEN (000‐255) + < Bcolour > : BLUE (000‐255) + <Text> : Any printable ASCII character within the character set.except the * character as this is used as the text field delimiter. + Maximum length is 24 characters, minimum length is 1 character for font F0 + Maximum length is 48 characters, minumum length is 1 character for font F1. +*/ + + +DigitalOut VGA_SOURCE( p7 ); // control line for video switch between internal and external video +DigitalOut VGA_SELECT( p8 ); // select or deselect video switch + +//Control lines for VGA driver board +TFT_4DGL display(p13,p14,p15); // serial tx, serial rx, reset pin + +//Character & String functions + +char* str2char( string cString ) //convert a string to a character array + { + int nStrLen=cString.size(); + std::string cInput( cString ); + char* cText = new char[nStrLen+1]; + strncpy(cText, cInput.c_str(), nStrLen); + cText[nStrLen+1] = '\0'; + return cText; + } + +int centertext( string cString, int nChars, int nCharWidth ) + //calculates the startposition on the screen to center the text + //needs the actual string (cString), screenwidth in characters (nChars) and the character width (nCharWidth) + { + int nStart; + nStart = nCharWidth*( nChars/2-( cString.size()/2 )); + return nStart; + } + +int righttext( string cString, int nChars, int nCharWidth ) + //calculates the startposition on the screen to right-align the text + //needs the actual string (cString), screenwidth in characters (nChars) and the character width (nCharWidth) + { + int nStart; + nStart = nCharWidth*( nChars - cString.size()); + return nStart; + } + +void CDU_StartScreen() + { + string cTitle1="ENGRAVITY"; + string cTitle2="CONTROL & DISPLAY UNIT"; + display.cls(); + + display.graphic_string( str2char( cTitle1 ), centertext( cTitle1, 24, LARGECHAR), LINE6, FONT_24X34, WHITE, 1, 1 ); + wait_ms(2000); + display.graphic_string( str2char( cTitle2 ), centertext( cTitle2, 24, LARGECHAR), LINE8, FONT_24X34, RED, 1, 1 ); + wait_ms(2000); + display.graphic_string( str2char( cTitle2 ), centertext( cTitle2, 24, LARGECHAR), LINE8, FONT_24X34, GREEN, 1, 1 ); + wait_ms(2000); + display.graphic_string( str2char( cTitle2) , centertext( cTitle2, 24, LARGECHAR), LINE8, FONT_24X34, BLUE, 1, 1 ); + wait_ms(2000); + display.graphic_string( str2char( cTitle2) , centertext( cTitle2, 24, LARGECHAR), LINE8, FONT_24X34, WHITE, 1, 1 ); + wait_ms(2000); + } + +void CDU_ScreenAlign() +{ + display.cls(); + + display.pen_size(WIREFRAME); + display.rectangle(XMIN,YMIN,XMAX,YMAX, WHITE); + display.line(XMIN,LINE2,XMAX,LINE2, WHITE); + display.line(XMIN,LINE3,XMAX,LINE3, WHITE); + display.line(XMIN,LINE4,XMAX,LINE4, WHITE); + display.line(XMIN,LINE5,XMAX,LINE5, WHITE); + display.line(XMIN,LINE6,XMAX,LINE6, WHITE); + display.line(XMIN,LINE7,XMAX,LINE7, WHITE); + display.line(XMIN,LINE8,XMAX,LINE8, WHITE); + display.line(XMIN,LINE9,XMAX,LINE9, WHITE); + display.line(XMIN,LINE10,XMAX,LINE10, WHITE); + display.line(XMIN,LINE11,XMAX,LINE11, WHITE); + display.line(XMIN,LINE12,XMAX,LINE12, WHITE); + display.line(XMIN,LINE13,XMAX,LINE13, WHITE); + display.line(XMIN,LINE14,XMAX,LINE14, WHITE); + +} \ No newline at end of file