William Basser
Graphics Drawing Interface EZLCD4 display using serial
Diff: gdiezl4.cpp
- Revision:
- 0:607ac6f9ce7a
- Child:
- 1:683ac9b65344
diff -r 000000000000 -r 607ac6f9ce7a gdiezl4.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/gdiezl4.cpp Mon Mar 14 15:58:13 2011 +0000
@@ -0,0 +1,329 @@
+/*****************************************************************************
+// $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, &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 );
+}