Graphics Drawing Interface EZLCD4 display using serial
gdiezl4.cpp
- Committer:
- wbasser
- Date:
- 2011-03-14
- Revision:
- 1:683ac9b65344
- Parent:
- 0:607ac6f9ce7a
File content as of revision 1:683ac9b65344:
/***************************************************************************** // $Workfile: $ // Function: graphics drive - EZLCD04 implementation // Author: Bill Basser // $JustDate: $ // $Revision: $ // // This document contains proprietary data and information of // Cyber Integration LLC. It is the exclusive property of // Cyber Integration, LLC and will not be disclosed in any form to // any party without prior written permission of Cyber Integration, LLC. // This document may not be reproduced or further used without the // prior written permission of Cyber Integration, LLC. // // Copyright (C) 2011 Cyber Integration, LLC. All Rights Reserved // // $History: $ * *****************************************************************************/ // local includes #include "gdiezl4.h" // define the MSB/LSB extraction utilities #define MSB(w) (( w >> 8 ) & 0xFF ) #define LSB(w) ( w & 0xFF ) /****************************************************************************** // Function Name: GdiEzL4( tTx, tRx ) // Description: construction // Entry: tTx = transmit pin // tRx = receive pin // Exit: none // Globals modified: none // Locals modified: none // Locals modified: none ******************************************************************************/ GdiEzL4::GdiEzL4( PinName pinTx, PinName pinRx ) : m_serDisp( pinTx, pinRx ) { // create the interface m_serDisp.baud( 115200 ); m_serDisp.attach( this, &GdiEzL4::LocalCallback ); // initialize m_serDisp.putc( EZ_BTP ); m_serDisp.putc( ON ); // turn the backlight on/clear screen to white BacklightCtl( ON ); ClearScreen( RGB( 255, 255, 255 )); } /****************************************************************************** // Function Name: GdiEzL4( ) // Description: destruction // Entry: none // Exit: none // Globals modified: none // Locals modified: none // Locals modified: none ******************************************************************************/ GdiEzL4::~GdiEzL4( void ) { } /****************************************************************************** // Function Name: GdiBacklightCtl( bOffOn ) // Description: turn backlight off/on // Entry: bOffOn // Exit: none // Globals modified: none // Locals modified: anBuffer, nBufLen ******************************************************************************/ void GdiEzL4::BacklightCtl( BOOL bOffOn ) { // set the correct state of the backlight m_serDisp.putc(( bOffOn ) ? EZ_LON : EZ_LOF ); } /****************************************************************************** // Function Name: GdiClearScreen( wColor ) // Description: clear the screen to the color // Entry: wColor = background color // Exit: none // Globals modified: none // Locals modified: anBuffer, nBufLen ******************************************************************************/ void GdiEzL4::ClearScreen( U16 wColor ) { // clear the screen m_serDisp.putc( EZ_FGC ); m_serDisp.putc( LSB( wColor )); m_serDisp.putc( MSB( wColor )); m_serDisp.putc( EZ_CLS ); } /****************************************************************************** // Function Name: GdiDrawRect( U16 wColor, U16 wSx, U8 nSy, U16 wWidth, U8 nHeight, BOOL bFill ) // Description: draw a rectangle // Entry: wColor = rectangle color // wSx = starting X // nSy = starting Y // wWidth = width of box // nHeight = height of box // bFill = fill color // Exit: none // Globals modified: none // Locals modified: anBuffer, nBufLen ******************************************************************************/ void GdiEzL4::DrawRect( U16 wColor, U16 wSx, U8 nSy, U16 wWidth, U8 nHeight, BOOL bFill ) { U16 wEx = wSx + wWidth - 1; U8 nEy = nSy + nHeight - 1; // draw a rectangle m_serDisp.putc( EZ_FGC ); m_serDisp.putc( LSB( wColor )); m_serDisp.putc( MSB( wColor )); m_serDisp.putc( EZ_SXY ); m_serDisp.putc( MSB( wSx )); m_serDisp.putc( LSB( wSx )); m_serDisp.putc( nSy ); m_serDisp.putc( ( bFill ) ? EZ_BXF : EZ_BOX ); m_serDisp.putc( MSB( wEx )); m_serDisp.putc( LSB( wEx )); m_serDisp.putc( nEy ); } /****************************************************************************** // Function Name: GdiDrawLine( wColor, wSx, nSy, wEx, nEy ) // Description: draw line // Entry: wColor = color // wSx = starting X // nSy = starting Y // wEx = ending X // nEy = ending Y // Exit: none // Globals modified: none // Locals modified: anBuffer, nBufLen ******************************************************************************/ void GdiEzL4::DrawLine( U16 wColor, U16 wSx, U8 nSy, U16 wEx, U8 nEy ) { // set the color/set starting x/y m_serDisp.putc( EZ_FGC ); m_serDisp.putc( LSB( wColor )); m_serDisp.putc( MSB( wColor )); m_serDisp.putc( EZ_SXY ); m_serDisp.putc( MSB( wSx )); m_serDisp.putc( LSB( wSx )); m_serDisp.putc( nSy ); // determine type of line if ( wSx == wEx ) { // vertical line m_serDisp.putc( EZ_VLN ); m_serDisp.putc( nEy ); } else if ( nSy == nEy ) { // horizontal line m_serDisp.putc( EZ_HLN ); m_serDisp.putc( MSB( wEx )); m_serDisp.putc( LSB( wEx )); } else { // diagonal line m_serDisp.putc( EZ_LIN ); m_serDisp.putc( MSB( wEx )); m_serDisp.putc( LSB( wEx )); m_serDisp.putc( nEy ); } } /****************************************************************************** // Function Name: GdiDrawIcon( wSx, nSy, nIcon ) // Description: draw an icon // Entry: wSx = starting X // nSy = starting Y // nIcon = icon number // Exit: none // Globals modified: none // Locals modified: anBuffer, nBufLen ******************************************************************************/ void GdiEzL4::DrawIcon( U16 wSx, U8 nSy, U8 nIcon ) { // draw a icon m_serDisp.putc( EZ_SXY ); m_serDisp.putc( MSB( wSx )); m_serDisp.putc( LSB( wSx )); m_serDisp.putc( nSy ); m_serDisp.putc( EZ_ICF ); m_serDisp.putc( nIcon ); } /****************************************************************************** // Function Name: GdiDrawChar( wColor, nFont, wSx, nSy, bBackground, nDir, cChar ) // Description: draw a character with the designated font, color // Entry: wColor = color // nFont = font number // wSx = starting X // nSy = starting Y // bBackground = true if drawn on background // nDir = text direction // cChar = color // Exit: none // Globals modified: none // Locals modified: anBuffer, nBufLen ******************************************************************************/ void GdiEzL4::DrawChar( U16 wColor, U8 nFont, U16 wSx, U8 nSy, BOOL bBackground, GDITXTDIR eDir, C8 cChar ) { // set the color/set xy/set font/draw character m_serDisp.putc( EZ_FGC ); m_serDisp.putc( LSB( wColor )); m_serDisp.putc( MSB( wColor )); m_serDisp.putc( EZ_SXY ); m_serDisp.putc( MSB( wSx )); m_serDisp.putc( LSB( wSx )); m_serDisp.putc( nSy ); m_serDisp.putc( EZ_FNT ); m_serDisp.putc( nFont ); m_serDisp.putc( EZ_TXN + ( U8 )eDir ); m_serDisp.putc(( bBackground ) ? EZ_CHB : EZ_CHR ); m_serDisp.putc( cChar ); } /****************************************************************************** // Function Name: GdiDrawString( wFgcClr, wBgcClr, nFont, wSx, nSy, bBackground, eDir, szMsg ) // Description: draw a string with the desinated font, color // Entry: wFgClr = foreground color // wBgClr = background color // nFont = font number // wSx = starting X // nSy = starting Y // bBackground = true if drawn on background // eDir = text direction // szMsg -> pointer to zero delimited string // Exit: none // Globals modified: none // Locals modified: anBuffer, nBufLen ******************************************************************************/ void GdiEzL4::DrawString( U16 wFgClr, U16 wBgClr, U8 nFont, U16 wSx, U8 nSy, BOOL bBackground, GDITXTDIR eDir, PC8 pszMsg ) { // if backgound if ( bBackground ) { // set the background color m_serDisp.putc( EZ_BGC ); m_serDisp.putc( LSB( wBgClr )); m_serDisp.putc( MSB( wBgClr )); } // set color/set sx/set font/send command m_serDisp.putc( EZ_FGC ); m_serDisp.putc( LSB( wFgClr )); m_serDisp.putc( MSB( wFgClr )); m_serDisp.putc( EZ_SXY ); m_serDisp.putc( MSB( wSx )); m_serDisp.putc( LSB( wSx )); m_serDisp.putc( nSy ); m_serDisp.putc( EZ_FNT ); m_serDisp.putc( nFont ); m_serDisp.putc( EZ_TXN + ( U8 )eDir ); m_serDisp.putc(( bBackground ) ? EZ_STB : EZ_STR ); // copy the string till buffer size U8 nChar = 0; while (( nChar = *( pszMsg++ )) != '\0' ) m_serDisp.putc( nChar ); // stuff the delimiter m_serDisp.putc( nChar ); } /***************************************************************************** // Function Name: GdiDrawButton( nIndex, ptBtnDef ) // Description: draws a button // Entry: nIndex = button index // ptBtnDef -> button definition structure // Exit: none // Globals modified: none // Locals modified: none ******************************************************************************/ void GdiEzL4::DrawButton( U8 nBtnIdx, GDIBTNDEF* ptBtnDef ) { // draw a button m_serDisp.putc( EZ_BTD ); m_serDisp.putc( nBtnIdx ); m_serDisp.putc( ptBtnDef->eInitalState ); m_serDisp.putc( ptBtnDef->nUpIcon ); m_serDisp.putc( ptBtnDef->nDnIcon ); m_serDisp.putc( ptBtnDef->nDsIcon ); m_serDisp.putc( MSB( ptBtnDef->wUpLfX )); m_serDisp.putc( LSB( ptBtnDef->wUpLfX )); m_serDisp.putc( ptBtnDef->nUpLfY ); m_serDisp.putc( ptBtnDef->nTouchWidth ); m_serDisp.putc( ptBtnDef->nTouchHeight ); } /***************************************************************************** // Function Name: GdiRemoveAllButton( ) // Description: remove all button // Entry: none // Exit: none // Globals modified: none // Locals modified: none ******************************************************************************/ void GdiEzL4::RemoveAllButtons( void ) { // send the remove all buttons command m_serDisp.putc( EZ_BDL ); } void GdiEzL4::PingDisplay( void ) { // send a ping m_serDisp.putc( EZ_PNG ); } void GdiEzL4::LocalCallback( void ) { U8 nChar; // call the callback nChar = m_serDisp.getc( ); m_pvFuncCallBack.call( nChar ); }