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jeremybenn |
/********************* (C) COPYRIGHT 2007 RAISONANCE S.A.S. *******************/
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/**
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*
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* @file pointer.c
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* @brief Various utilities for the pointer management for STM32-primer.
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* @author FL
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* @date 07/2007
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* @version 1.1
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* @date 10/2007
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* @version 1.5 various corrections reported by Ron Miller to suppress jittery
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*
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*
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**/
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/******************************************************************************/
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/* Includes ------------------------------------------------------------------*/
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#include "circle.h"
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/// @cond Internal
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/* Private define ------------------------------------------------------------*/
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#define POS_MIN 0
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#define POS_MAX (SCREEN_WIDTH - POINTER_WIDTH - 1)
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#define POINTER_DIVIDER 50
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#define POINTER_DEFAULT_COLOR RGB_BLUE
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// defines for pointer move
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#define ANGLEPAUSE 500
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#define DEFAULT_ANGLESTART 25
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#define MIN_ANGLE_FOR_SHIFT_UP (ANGLEPAUSE+CurrentAngleStart)
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#define MIN_ANGLE_FOR_SHIFT_DOWN (ANGLEPAUSE-CurrentAngleStart)
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#define MIN_ANGLE_FOR_SHIFT_RIGHT (signed)(0+CurrentAngleStart)
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#define MIN_ANGLE_FOR_SHIFT_LEFT (signed)(0-CurrentAngleStart)
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#define DEFAULT_SPEED_ON_ANGLE 60
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/* Private variables ---------------------------------------------------------*/
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static int divider = 0;
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unsigned char BallPointerBmp[ POINTER_WIDTH ] = { 0x38, 0x7C, 0xFF, 0xFF, 0xFF, 0x7C, 0x38 } ;
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unsigned char locbuf[ POINTER_WIDTH ];
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unsigned char DefaultAreaStore[ 2 * POINTER_WIDTH * POINTER_WIDTH ];
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// Variables for pointer.
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u8* CurrentPointerBmp = 0;
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u8 CurrentPointerWidth = 0;
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u8 CurrentPointerHeight = 0;
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u16 CurrentSpeedOnAngle = DEFAULT_SPEED_ON_ANGLE;
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u32 CurrentAngleStart = DEFAULT_ANGLESTART ;
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unsigned char* ptrAreaStore = DefaultAreaStore;
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u16 CurrentPointerColor = POINTER_DEFAULT_COLOR;
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enum POINTER_mode Pointer_Mode = POINTER_UNDEF;
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enum POINTER_state Pointer_State = POINTER_S_UNDEF;
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s16 OUT_X;
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s16 OUT_Y;
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// Init pointer Info Structure (structure definition in circle.h)
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tPointer_Info POINTER_Info = {
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SCREEN_WIDTH - POINTER_WIDTH / 2,
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SCREEN_WIDTH - POINTER_WIDTH / 2,
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0,
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0} ;
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/* Private function prototypes -----------------------------------------------*/
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static int POINTER_Move ( void );
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/* Private functions ---------------------------------------------------------*/
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/*******************************************************************************
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*
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* Pointer_Move
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*
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*******************************************************************************/
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/**
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* Moves LCD pointer according to Mems indications.
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*
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* @retval 0 The pointer resides in the screen
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* @retval -1 The pointer touche the screen edges.
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*
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**/
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/******************************************************************************/
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static int POINTER_Move( void )
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{
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int res = 0;
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s16 oldPointer_xPos = POINTER_Info.xPos;
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s16 oldPointer_yPos = POINTER_Info.yPos;
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s16 unmodied_shift_PosX;
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s16 unmodied_shift_PosY;
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signed outx = MEMS_Info.OutX_F16 >> 4;
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signed outy = MEMS_Info.OutY_F16 >> 4;
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POINTER_Info.shift_PosX = POINTER_Info.shift_PosY = 0;
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// The move depends on the screen orientation
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switch( LCD_GetScreenOrientation() )
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{
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// north
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case V12 :
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MEMS_Info.RELATIVE_X = outx;
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MEMS_Info.RELATIVE_Y = outy;
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if( outx > MIN_ANGLE_FOR_SHIFT_RIGHT )
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{
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POINTER_Info.shift_PosX = ( outx - MIN_ANGLE_FOR_SHIFT_RIGHT );
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}
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else if( outx < MIN_ANGLE_FOR_SHIFT_LEFT )
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{
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POINTER_Info.shift_PosX = ( outx - MIN_ANGLE_FOR_SHIFT_LEFT );
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}
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if( outy < -MIN_ANGLE_FOR_SHIFT_UP )
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{
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POINTER_Info.shift_PosY = ( outy + MIN_ANGLE_FOR_SHIFT_UP );
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}
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else if( outy > -MIN_ANGLE_FOR_SHIFT_DOWN )
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{
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POINTER_Info.shift_PosY = ( outy + MIN_ANGLE_FOR_SHIFT_DOWN );
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}
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break;
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// West
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case V9 :
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MEMS_Info.RELATIVE_X = -( outy );
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MEMS_Info.RELATIVE_Y = outx;
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if( outy > MIN_ANGLE_FOR_SHIFT_RIGHT )
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{
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POINTER_Info.shift_PosX = -( outy - MIN_ANGLE_FOR_SHIFT_RIGHT );
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}
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else if( outy < MIN_ANGLE_FOR_SHIFT_LEFT )
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{
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POINTER_Info.shift_PosX = -( outy - MIN_ANGLE_FOR_SHIFT_LEFT );
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}
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if( outx < -MIN_ANGLE_FOR_SHIFT_UP )
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{
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POINTER_Info.shift_PosY = ( outx + MIN_ANGLE_FOR_SHIFT_UP );
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}
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else if( outx > -MIN_ANGLE_FOR_SHIFT_DOWN )
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{
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POINTER_Info.shift_PosY = ( outx + MIN_ANGLE_FOR_SHIFT_DOWN );
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}
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break;
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// South
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case V6 :
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MEMS_Info.RELATIVE_X = -( outx );
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MEMS_Info.RELATIVE_Y = -( outy );
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if( outx > MIN_ANGLE_FOR_SHIFT_RIGHT )
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{
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POINTER_Info.shift_PosX = ( MIN_ANGLE_FOR_SHIFT_RIGHT - outx );
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}
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else if( outx < MIN_ANGLE_FOR_SHIFT_LEFT )
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{
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POINTER_Info.shift_PosX = ( MIN_ANGLE_FOR_SHIFT_LEFT - outx );
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}
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if( outy > MIN_ANGLE_FOR_SHIFT_UP )
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{
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POINTER_Info.shift_PosY = -( outy - MIN_ANGLE_FOR_SHIFT_UP );
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}
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else if( outy < MIN_ANGLE_FOR_SHIFT_DOWN )
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{
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POINTER_Info.shift_PosY = +( MIN_ANGLE_FOR_SHIFT_DOWN - outy );
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}
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break;
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// East
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case V3 :
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MEMS_Info.RELATIVE_X = outy;
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MEMS_Info.RELATIVE_Y = -( outx );
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if( outy > MIN_ANGLE_FOR_SHIFT_RIGHT )
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{
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POINTER_Info.shift_PosX = ( outy - MIN_ANGLE_FOR_SHIFT_RIGHT );
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}
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else if( outy < MIN_ANGLE_FOR_SHIFT_LEFT )
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{
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POINTER_Info.shift_PosX = ( outy - MIN_ANGLE_FOR_SHIFT_LEFT );
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}
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if( outx > MIN_ANGLE_FOR_SHIFT_UP )
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{
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POINTER_Info.shift_PosY = ( MIN_ANGLE_FOR_SHIFT_UP - outx);
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}
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else if( outx < MIN_ANGLE_FOR_SHIFT_DOWN )
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{
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POINTER_Info.shift_PosY = ( MIN_ANGLE_FOR_SHIFT_DOWN - outx );
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}
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default :
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break;
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}
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unmodied_shift_PosX = POINTER_Info.shift_PosX;
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unmodied_shift_PosY = POINTER_Info.shift_PosY;
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POINTER_Info.shift_PosX /= CurrentSpeedOnAngle;
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POINTER_Info.shift_PosY /= CurrentSpeedOnAngle;
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if( Pointer_Mode == POINTER_APPLICATION )
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{
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if ( Application_Pointer_Mgr )
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{
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Application_Pointer_Mgr( POINTER_Info.shift_PosX, POINTER_Info.shift_PosY );
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}
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return 0;
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}
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POINTER_Info.xPos += POINTER_Info.shift_PosX;
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POINTER_Info.yPos += POINTER_Info.shift_PosY;
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if( POINTER_Info.xPos < POINTER_Info.X_PosMin )
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{
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POINTER_Info.xPos = POINTER_Info.X_PosMin;
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}
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if( POINTER_Info.xPos > POINTER_Info.X_PosMax )
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{
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POINTER_Info.xPos = POINTER_Info.X_PosMax;
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}
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if( POINTER_Info.yPos < POINTER_Info.Y_PosMin )
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{
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POINTER_Info.yPos = POINTER_Info.Y_PosMin;
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}
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if( POINTER_Info.yPos > POINTER_Info.Y_PosMax )
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{
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POINTER_Info.yPos = POINTER_Info.Y_PosMax;
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}
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if( ( Pointer_Mode != POINTER_MENU ) && ( Pointer_Mode != POINTER_RESTORE_LESS ) &&
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( ( oldPointer_xPos != POINTER_Info.xPos ) || ( oldPointer_yPos != POINTER_Info.yPos ) ) )
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{
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// Use default area.
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POINTER_SetCurrentAreaStore( 0 );
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// Restore previously drawn area.
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POINTER_Restore( oldPointer_xPos, oldPointer_yPos, POINTER_WIDTH, POINTER_WIDTH );
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// Save new area and draw pointer
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POINTER_Save( POINTER_Info.xPos, POINTER_Info.yPos, POINTER_WIDTH, POINTER_WIDTH );
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POINTER_Draw( POINTER_Info.xPos, POINTER_Info.yPos, POINTER_WIDTH, POINTER_WIDTH, CurrentPointerBmp );
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}
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if( ( Pointer_Mode == POINTER_RESTORE_LESS ) &&
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( ( oldPointer_xPos != POINTER_Info.xPos ) || ( oldPointer_yPos != POINTER_Info.yPos ) ) )
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{
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// Use default area.
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POINTER_SetCurrentAreaStore( 0 );
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// Restore previously drawn area.
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POINTER_Restore( oldPointer_xPos, oldPointer_yPos, CurrentPointerWidth, CurrentPointerHeight );
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// Save new area and draw pointer
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POINTER_Save( POINTER_Info.xPos, POINTER_Info.yPos, CurrentPointerWidth, CurrentPointerHeight );
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POINTER_Draw( POINTER_Info.xPos, POINTER_Info.yPos, CurrentPointerWidth, CurrentPointerHeight, CurrentPointerBmp );
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}
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// Is the pointer touching one edge of the screen ?
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if( ( POINTER_Info.xPos == POS_MIN ) || ( POINTER_Info.yPos == POS_MIN ) ||
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( POINTER_Info.xPos == POS_MAX ) || ( POINTER_Info.yPos == POS_MAX ) )
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{
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res = -1;
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}
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return res;
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}
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/* Public functions for CircleOS ---------------------------------------------*/
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/*******************************************************************************
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*
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* POINTER_Init
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*
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*******************************************************************************/
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/**
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* Initialize pointer. Called at CircleOS startup. Set default pointer at the
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* middle of the screen and allows it to move into the whole screen.
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*
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* @attention This function must <b>NOT</b> be called by the user.
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*
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**/
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/******************************************************************************/
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void POINTER_Init( void )
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{
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// Increase pointer sensibility.
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POINTER_SetCurrentSpeedOnAngle( DEFAULT_SPEED_ON_ANGLE );
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POINTER_SetCurrentAngleStart( DEFAULT_ANGLESTART );
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POINTER_SetCurrentPointer( POINTER_WIDTH, POINTER_WIDTH, BallPointerBmp );
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POINTER_SetMode( POINTER_ON );
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POINTER_SetPos( 56, 56 );
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POINTER_SetRectScreen();
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CurrentPointerColor = POINTER_DEFAULT_COLOR;
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}
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/*******************************************************************************
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*
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303 |
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* POINTER_Handler
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*
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305 |
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*******************************************************************************/
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/**
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*
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* Called by the CircleOS scheduler to manage the pointer.
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*
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* @attention This function must <b>NOT</b> be called by the user.
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*
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**/
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/******************************************************************************/
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void POINTER_Handler( void )
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{
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switch( Pointer_Mode )
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{
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// Nothing to do!
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case POINTER_OFF :
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case POINTER_UNDEF:
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return;
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}
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// Where is the MEMS ?
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MEMS_GetPosition( &OUT_X, &OUT_Y );
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POINTER_Move();
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}
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/// @endcond
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331 |
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332 |
|
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/* Public functions ----------------------------------------------------------*/
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333 |
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334 |
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/*******************************************************************************
|
335 |
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*
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336 |
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* POINTER_SetCurrentPointer
|
337 |
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*
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338 |
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*******************************************************************************/
|
339 |
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/**
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340 |
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*
|
341 |
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* Set the dimension and the bitmap of the pointer.
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342 |
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* @note The bitmap is a monochrome one!
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343 |
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*
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344 |
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* @param[in] width width of the pointer (u8)
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345 |
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* @param[in] height height of the pointer (u8)
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346 |
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* @param[in] bmp pointer to an array of width * height bits.
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347 |
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*
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348 |
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**/
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349 |
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/********************************************************************************/
|
350 |
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void POINTER_SetCurrentPointer( u8 width, u8 height, u8* bmp )
|
351 |
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{
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352 |
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if( !bmp )
|
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{
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354 |
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bmp = BallPointerBmp;
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}
|
356 |
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CurrentPointerWidth = width;
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358 |
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CurrentPointerHeight = height;
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359 |
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CurrentPointerBmp = bmp;
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360 |
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}
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361 |
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362 |
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/*******************************************************************************
|
363 |
|
|
*
|
364 |
|
|
* POINTER_GetCurrentAngleStart
|
365 |
|
|
*
|
366 |
|
|
*******************************************************************************/
|
367 |
|
|
/**
|
368 |
|
|
*
|
369 |
|
|
* Get the current minimal angle to move pointer
|
370 |
|
|
*
|
371 |
|
|
* @return current minimal angle.
|
372 |
|
|
*
|
373 |
|
|
**/
|
374 |
|
|
/******************************************************************************/
|
375 |
|
|
u16 POINTER_GetCurrentAngleStart( void )
|
376 |
|
|
{
|
377 |
|
|
return CurrentAngleStart;
|
378 |
|
|
}
|
379 |
|
|
|
380 |
|
|
/*******************************************************************************
|
381 |
|
|
*
|
382 |
|
|
* POINTER_SetCurrentAngleStart
|
383 |
|
|
*
|
384 |
|
|
*******************************************************************************/
|
385 |
|
|
/**
|
386 |
|
|
*
|
387 |
|
|
* Set the current minimal angle to move pointer
|
388 |
|
|
*
|
389 |
|
|
* @param[in] newangle The new minimal angle to move pointer.
|
390 |
|
|
*
|
391 |
|
|
**/
|
392 |
|
|
/******************************************************************************/
|
393 |
|
|
void POINTER_SetCurrentAngleStart( u16 newangle )
|
394 |
|
|
{
|
395 |
|
|
CurrentAngleStart = newangle;
|
396 |
|
|
}
|
397 |
|
|
|
398 |
|
|
/*******************************************************************************
|
399 |
|
|
*
|
400 |
|
|
* POINTER_GetCurrentSpeedOnAngle
|
401 |
|
|
*
|
402 |
|
|
*******************************************************************************/
|
403 |
|
|
/**
|
404 |
|
|
*
|
405 |
|
|
* Return the current speed/angle ratio.
|
406 |
|
|
*
|
407 |
|
|
* @return current ratio.
|
408 |
|
|
*
|
409 |
|
|
**/
|
410 |
|
|
/******************************************************************************/
|
411 |
|
|
u16 POINTER_GetCurrentSpeedOnAngle( void )
|
412 |
|
|
{
|
413 |
|
|
return CurrentSpeedOnAngle;
|
414 |
|
|
}
|
415 |
|
|
|
416 |
|
|
/*******************************************************************************
|
417 |
|
|
*
|
418 |
|
|
* POINTER_SetCurrentSpeedOnAngle
|
419 |
|
|
*
|
420 |
|
|
*******************************************************************************/
|
421 |
|
|
/**
|
422 |
|
|
*
|
423 |
|
|
* Set the current speed/angle ratio.
|
424 |
|
|
*
|
425 |
|
|
* @param[in] newspeed New speed/angle ratio.
|
426 |
|
|
*
|
427 |
|
|
**/
|
428 |
|
|
/******************************************************************************/
|
429 |
|
|
void POINTER_SetCurrentSpeedOnAngle( u16 newspeed )
|
430 |
|
|
{
|
431 |
|
|
CurrentSpeedOnAngle = newspeed;
|
432 |
|
|
}
|
433 |
|
|
|
434 |
|
|
/*******************************************************************************
|
435 |
|
|
*
|
436 |
|
|
* POINTER_SetCurrentAreaStore
|
437 |
|
|
*
|
438 |
|
|
*******************************************************************************/
|
439 |
|
|
/**
|
440 |
|
|
*
|
441 |
|
|
* Change the current storage area. If the provided value is NULL, the default
|
442 |
|
|
* storage area will be used.
|
443 |
|
|
*
|
444 |
|
|
* @param[in] ptr New storage area (may be null).
|
445 |
|
|
*
|
446 |
|
|
* @warning Memory space pointed by the provided pointer must be large enough
|
447 |
|
|
* to store a color bitmap corresponding to the pointer area.
|
448 |
|
|
* In other words, space must be width * height * 2 large.
|
449 |
|
|
*
|
450 |
|
|
**/
|
451 |
|
|
/******************************************************************************/
|
452 |
|
|
void POINTER_SetCurrentAreaStore( u8* ptr )
|
453 |
|
|
{
|
454 |
|
|
ptrAreaStore = ( ptr == 0 ) ? DefaultAreaStore : ptr;
|
455 |
|
|
}
|
456 |
|
|
|
457 |
|
|
/*******************************************************************************
|
458 |
|
|
*
|
459 |
|
|
* POINTER_SetMode
|
460 |
|
|
*
|
461 |
|
|
*******************************************************************************/
|
462 |
|
|
/**
|
463 |
|
|
*
|
464 |
|
|
* Change the current mode of the pointer management.
|
465 |
|
|
*
|
466 |
|
|
* @note Must be called only ONCE!!
|
467 |
|
|
*
|
468 |
|
|
* @param[in] mode New pointer management mode.
|
469 |
|
|
*
|
470 |
|
|
**/
|
471 |
|
|
/******************************************************************************/
|
472 |
|
|
void POINTER_SetMode( enum POINTER_mode mode )
|
473 |
|
|
{
|
474 |
|
|
u16* ptr;
|
475 |
|
|
u16 i;
|
476 |
|
|
u16 color;
|
477 |
|
|
|
478 |
|
|
switch( mode )
|
479 |
|
|
{
|
480 |
|
|
case POINTER_APPLICATION:
|
481 |
|
|
ptr = (u16*)DefaultAreaStore;
|
482 |
|
|
color = DRAW_GetBGndColor();
|
483 |
|
|
|
484 |
|
|
for ( i = 0; i < (CurrentPointerWidth*CurrentPointerHeight) ; i++ )
|
485 |
|
|
{
|
486 |
|
|
*ptr++ = color;
|
487 |
|
|
}
|
488 |
|
|
|
489 |
|
|
POINTER_Draw( POINTER_Info.xPos, POINTER_Info.yPos, CurrentPointerWidth, CurrentPointerHeight, CurrentPointerBmp );
|
490 |
|
|
break;
|
491 |
|
|
|
492 |
|
|
case POINTER_RESTORE_LESS:
|
493 |
|
|
POINTER_Draw( POINTER_Info.xPos, POINTER_Info.yPos, CurrentPointerWidth, CurrentPointerHeight, CurrentPointerBmp );
|
494 |
|
|
break;
|
495 |
|
|
|
496 |
|
|
case POINTER_ON:
|
497 |
|
|
POINTER_SetCurrentAreaStore( 0 );
|
498 |
|
|
POINTER_Save( POINTER_Info.xPos, POINTER_Info.yPos, POINTER_WIDTH, POINTER_WIDTH );
|
499 |
|
|
POINTER_Draw( POINTER_Info.xPos, POINTER_Info.yPos, CurrentPointerWidth, CurrentPointerHeight,CurrentPointerBmp );
|
500 |
|
|
break;
|
501 |
|
|
|
502 |
|
|
case POINTER_OFF:
|
503 |
|
|
POINTER_Info.xPos = ( SCREEN_WIDTH - POINTER_WIDTH ) / 2;
|
504 |
|
|
POINTER_Info.yPos = ( SCREEN_WIDTH - POINTER_WIDTH ) / 2;
|
505 |
|
|
|
506 |
|
|
case POINTER_MENU:
|
507 |
|
|
if( Pointer_Mode == POINTER_ON )
|
508 |
|
|
{
|
509 |
|
|
POINTER_SetCurrentAreaStore( 0 );
|
510 |
|
|
POINTER_Restore( POINTER_Info.xPos, POINTER_Info.yPos, POINTER_WIDTH, POINTER_WIDTH );
|
511 |
|
|
}
|
512 |
|
|
break;
|
513 |
|
|
}
|
514 |
|
|
|
515 |
|
|
Pointer_Mode = mode;
|
516 |
|
|
}
|
517 |
|
|
|
518 |
|
|
/*******************************************************************************
|
519 |
|
|
*
|
520 |
|
|
* POINTER_GetMode
|
521 |
|
|
*
|
522 |
|
|
*******************************************************************************/
|
523 |
|
|
/**
|
524 |
|
|
*
|
525 |
|
|
* Return the current mode of the pointer management
|
526 |
|
|
*
|
527 |
|
|
* @return Current pointer management mode.
|
528 |
|
|
*
|
529 |
|
|
**/
|
530 |
|
|
/******************************************************************************/
|
531 |
|
|
enum POINTER_mode POINTER_GetMode( void )
|
532 |
|
|
{
|
533 |
|
|
return Pointer_Mode;
|
534 |
|
|
}
|
535 |
|
|
|
536 |
|
|
/*******************************************************************************
|
537 |
|
|
*
|
538 |
|
|
* POINTER_GetState
|
539 |
|
|
*
|
540 |
|
|
*******************************************************************************/
|
541 |
|
|
/**
|
542 |
|
|
*
|
543 |
|
|
* Return current pointer state.
|
544 |
|
|
*
|
545 |
|
|
* @return Current pointer state.
|
546 |
|
|
*
|
547 |
|
|
**/
|
548 |
|
|
/******************************************************************************/
|
549 |
|
|
enum POINTER_state POINTER_GetState( void )
|
550 |
|
|
{
|
551 |
|
|
return Pointer_State;
|
552 |
|
|
}
|
553 |
|
|
|
554 |
|
|
/*******************************************************************************
|
555 |
|
|
*
|
556 |
|
|
* POINTER_SetRect
|
557 |
|
|
*
|
558 |
|
|
*******************************************************************************/
|
559 |
|
|
/**
|
560 |
|
|
*
|
561 |
|
|
* Set new limits for the move of the pointer
|
562 |
|
|
*
|
563 |
|
|
* @param[in] x Horizontal coordinate of the bottom left corner of the new area.
|
564 |
|
|
* @param[in] y Vertical coordinate of the bottom left corner of the new are.
|
565 |
|
|
* @param[in] width New area width.
|
566 |
|
|
* @param[in] height New area height.
|
567 |
|
|
*
|
568 |
|
|
* @warning The (0x0) point in on the low left corner.
|
569 |
|
|
*
|
570 |
|
|
**/
|
571 |
|
|
/******************************************************************************/
|
572 |
|
|
void POINTER_SetRect( s16 x, s16 y, s16 width, s16 height )
|
573 |
|
|
{
|
574 |
|
|
POINTER_Info.X_PosMin = x;
|
575 |
|
|
|
576 |
|
|
if( POINTER_Info.xPos < POINTER_Info.X_PosMin )
|
577 |
|
|
{
|
578 |
|
|
POINTER_Info.xPos = POINTER_Info.X_PosMin;
|
579 |
|
|
}
|
580 |
|
|
|
581 |
|
|
POINTER_Info.X_PosMax = x + width - 1;
|
582 |
|
|
|
583 |
|
|
if( POINTER_Info.xPos > POINTER_Info.X_PosMax )
|
584 |
|
|
{
|
585 |
|
|
POINTER_Info.xPos = POINTER_Info.X_PosMax;
|
586 |
|
|
}
|
587 |
|
|
|
588 |
|
|
POINTER_Info.Y_PosMin = y;
|
589 |
|
|
|
590 |
|
|
if( POINTER_Info.yPos < POINTER_Info.Y_PosMin )
|
591 |
|
|
{
|
592 |
|
|
POINTER_Info.yPos = POINTER_Info.Y_PosMin;
|
593 |
|
|
}
|
594 |
|
|
|
595 |
|
|
POINTER_Info.Y_PosMax = y + height - 1;
|
596 |
|
|
|
597 |
|
|
if( POINTER_Info.yPos > POINTER_Info.Y_PosMax )
|
598 |
|
|
{
|
599 |
|
|
POINTER_Info.yPos = POINTER_Info.Y_PosMax;
|
600 |
|
|
}
|
601 |
|
|
}
|
602 |
|
|
|
603 |
|
|
/*******************************************************************************
|
604 |
|
|
*
|
605 |
|
|
* POINTER_SetRectScreen
|
606 |
|
|
*
|
607 |
|
|
*******************************************************************************/
|
608 |
|
|
/**
|
609 |
|
|
*
|
610 |
|
|
* Allow the pointer to move on the whole screen.
|
611 |
|
|
*
|
612 |
|
|
**/
|
613 |
|
|
/******************************************************************************/
|
614 |
|
|
void POINTER_SetRectScreen( void )
|
615 |
|
|
{
|
616 |
|
|
POINTER_SetRect( 0, 0, POS_MAX, POS_MAX );
|
617 |
|
|
}
|
618 |
|
|
|
619 |
|
|
/*******************************************************************************
|
620 |
|
|
*
|
621 |
|
|
* POINTER_GetPos
|
622 |
|
|
*
|
623 |
|
|
*******************************************************************************/
|
624 |
|
|
/**
|
625 |
|
|
*
|
626 |
|
|
* Return the current position of the pointer (on the screen).
|
627 |
|
|
*
|
628 |
|
|
* @return The current pointer screen position with X in the LSB and Y in the MSB.
|
629 |
|
|
*
|
630 |
|
|
* @warning The (0x0) point in on the low left corner.
|
631 |
|
|
**/
|
632 |
|
|
/******************************************************************************/
|
633 |
|
|
u16 POINTER_GetPos( void )
|
634 |
|
|
{
|
635 |
|
|
return ( POINTER_Info.xPos | ( POINTER_Info.yPos << 8 ) );
|
636 |
|
|
}
|
637 |
|
|
|
638 |
|
|
/*******************************************************************************
|
639 |
|
|
*
|
640 |
|
|
* POINTER_SetPos
|
641 |
|
|
*
|
642 |
|
|
*******************************************************************************/
|
643 |
|
|
/**
|
644 |
|
|
*
|
645 |
|
|
* Force the screen position of the pointer.
|
646 |
|
|
*
|
647 |
|
|
* @param[in] x New horizontal coordinate.
|
648 |
|
|
* @param[in] y New vertical coordinate.
|
649 |
|
|
*
|
650 |
|
|
* @warning The (0x0) point in on the low left corner.
|
651 |
|
|
*
|
652 |
|
|
**/
|
653 |
|
|
/******************************************************************************/
|
654 |
|
|
void POINTER_SetPos( u16 x, u16 y )
|
655 |
|
|
{
|
656 |
|
|
POINTER_Info.xPos = x;
|
657 |
|
|
POINTER_Info.yPos = y;
|
658 |
|
|
}
|
659 |
|
|
|
660 |
|
|
/*******************************************************************************
|
661 |
|
|
*
|
662 |
|
|
* POINTER_Draw
|
663 |
|
|
*
|
664 |
|
|
*******************************************************************************/
|
665 |
|
|
/**
|
666 |
|
|
*
|
667 |
|
|
* Draw pointer.
|
668 |
|
|
*
|
669 |
|
|
* @param[in] x Horizontal coordinate of the bottom left corner of the pointer.
|
670 |
|
|
* @param[in] y Vertical coordinate of the bottom left corner of the pointer.
|
671 |
|
|
* @param[in] width Pointer bitmap width.
|
672 |
|
|
* @param[in] height Pointer bitmap height.
|
673 |
|
|
* @param[in] bmp Pointer to width * height bit array. If null used default
|
674 |
|
|
* pointer bitmap.
|
675 |
|
|
*
|
676 |
|
|
* @note The provided bitmap is a monochrome one.
|
677 |
|
|
* @warning The (0x0) point in on the low left corner.
|
678 |
|
|
*
|
679 |
|
|
**/
|
680 |
|
|
/******************************************************************************/
|
681 |
|
|
void POINTER_Draw( u8 x, u8 y, u8 width, u8 height, u8* bmp )
|
682 |
|
|
{
|
683 |
|
|
int i = 0;
|
684 |
|
|
int l = 0;
|
685 |
|
|
int n = 0;
|
686 |
|
|
char* ptr = ptrAreaStore;
|
687 |
|
|
char c;
|
688 |
|
|
u16 val;
|
689 |
|
|
|
690 |
|
|
// No bitmap provided, use the default one!
|
691 |
|
|
if( bmp == 0 )
|
692 |
|
|
{
|
693 |
|
|
bmp = BallPointerBmp;
|
694 |
|
|
}
|
695 |
|
|
|
696 |
|
|
// Select the screen area were going to take care about!
|
697 |
|
|
LCD_SetRect_For_Cmd( x, y, width, height );
|
698 |
|
|
|
699 |
|
|
// Let draw to the LCD screen.
|
700 |
|
|
LCD_SendLCDCmd( ST7637_RAMWR );
|
701 |
|
|
|
702 |
|
|
while( n < ( width * height ) )
|
703 |
|
|
{
|
704 |
|
|
if( Pointer_Mode != POINTER_RESTORE_LESS )
|
705 |
|
|
{
|
706 |
|
|
// Draw pixel using current storage area data for background pixels.
|
707 |
|
|
c = *ptr++;
|
708 |
|
|
LCD_SendLCDData( ( bmp[ l + ( i / 8 ) ] & ( 1 << ( 7 - ( i % 8 ) ) ) ) ? ( POINTER_GetColor() & 255 ) : c );
|
709 |
|
|
|
710 |
|
|
c = *ptr++;
|
711 |
|
|
LCD_SendLCDData( ( bmp[ l + ( i / 8 ) ] & ( 1 << ( 7 - ( i % 8 ) ) ) ) ? ( POINTER_GetColor() >> 8 ) : c );
|
712 |
|
|
}
|
713 |
|
|
else
|
714 |
|
|
{
|
715 |
|
|
// POINTER_RESTORE_LESS: use current background color for background color.
|
716 |
|
|
c = DRAW_GetBGndColor();
|
717 |
|
|
val = ( bmp[ l + ( i / 8 ) ] & ( 1 << ( 7 - ( i % 8 ) ) ) ) ? POINTER_GetColor() : c;
|
718 |
|
|
|
719 |
|
|
LCD_SendLCDData( val & 255 );
|
720 |
|
|
LCD_SendLCDData( val >> 8 );
|
721 |
|
|
}
|
722 |
|
|
|
723 |
|
|
n++;
|
724 |
|
|
|
725 |
|
|
i++;
|
726 |
|
|
|
727 |
|
|
// End of line ?
|
728 |
|
|
if( i == width )
|
729 |
|
|
{
|
730 |
|
|
// Next line!
|
731 |
|
|
l++;
|
732 |
|
|
i=0;
|
733 |
|
|
}
|
734 |
|
|
}
|
735 |
|
|
}
|
736 |
|
|
|
737 |
|
|
/*******************************************************************************
|
738 |
|
|
*
|
739 |
|
|
* POINTER_Save
|
740 |
|
|
*
|
741 |
|
|
*******************************************************************************/
|
742 |
|
|
/**
|
743 |
|
|
*
|
744 |
|
|
* Save the background of the pointer.
|
745 |
|
|
*
|
746 |
|
|
* @param[in] x Horizontal coordinate of the bottom left corner of the area to save.
|
747 |
|
|
* @param[in] y Vertical coordinate of the bottom left corner of the area to save.
|
748 |
|
|
* @param[in] width Width of the area to save.
|
749 |
|
|
* @param[in] height Height of the area to save.
|
750 |
|
|
*
|
751 |
|
|
* @note The store area must be large enough to store all the pixels (16 bits).
|
752 |
|
|
* @warning The (0x0) point in on the low left corner.
|
753 |
|
|
* @see POINTER_Restore
|
754 |
|
|
* @see POINTER_SetCurrentAreaStore
|
755 |
|
|
*
|
756 |
|
|
**/
|
757 |
|
|
/******************************************************************************/
|
758 |
|
|
void POINTER_Save( u8 x, u8 y, u8 width, u8 height )
|
759 |
|
|
{
|
760 |
|
|
int i;
|
761 |
|
|
char* ptr = ptrAreaStore;
|
762 |
|
|
int bytesize = ( width * height ) * 2; // 2 bytes per pixel.
|
763 |
|
|
|
764 |
|
|
// Is this pointer management mode, don't save pointer background!
|
765 |
|
|
if( Pointer_Mode == POINTER_RESTORE_LESS )
|
766 |
|
|
{
|
767 |
|
|
return;
|
768 |
|
|
}
|
769 |
|
|
|
770 |
|
|
// Select the LCD screen area to read.
|
771 |
|
|
LCD_SetRect_For_Cmd ( x, y, width, height );
|
772 |
|
|
|
773 |
|
|
// Send the memory read command to the LCD controller.
|
774 |
|
|
LCD_SendLCDCmd( ST7637_RAMRD );
|
775 |
|
|
|
776 |
|
|
// First returned byte is a dummy!
|
777 |
|
|
LCD_ReadLCDData();
|
778 |
|
|
|
779 |
|
|
for( i = 0; i < bytesize; i++ )
|
780 |
|
|
{
|
781 |
|
|
*ptr++ = LCD_ReadLCDData();
|
782 |
|
|
}
|
783 |
|
|
}
|
784 |
|
|
|
785 |
|
|
/*******************************************************************************
|
786 |
|
|
*
|
787 |
|
|
* POINTER_Restore
|
788 |
|
|
*
|
789 |
|
|
*******************************************************************************/
|
790 |
|
|
/**
|
791 |
|
|
*
|
792 |
|
|
* Restore the background of the pointer with data saved in the current store area.
|
793 |
|
|
*
|
794 |
|
|
* @param[in] x Horizontal coordinate of the bottom left corner of the area to restore.
|
795 |
|
|
* @param[in] y Vertical coordinate of the bottom left corner of the area to restore.
|
796 |
|
|
* @param[in] width Width of the area to restore.
|
797 |
|
|
* @param[in] height Height of the area to restore.
|
798 |
|
|
*
|
799 |
|
|
* @warning The (0x0) point in on the low left corner.
|
800 |
|
|
* @see POINTER_Save
|
801 |
|
|
* @see POINTER_SetCurrentAreaStore
|
802 |
|
|
*
|
803 |
|
|
**/
|
804 |
|
|
/******************************************************************************/
|
805 |
|
|
void POINTER_Restore( u8 x, u8 y, u8 width, u8 height )
|
806 |
|
|
{
|
807 |
|
|
int i;
|
808 |
|
|
char* ptr = ptrAreaStore;
|
809 |
|
|
int bytesize = ( width * height ) * 2; // 2 bytes per pixel.
|
810 |
|
|
|
811 |
|
|
// Select the screen area to write.
|
812 |
|
|
LCD_SetRect_For_Cmd( x, y, width, height );
|
813 |
|
|
|
814 |
|
|
// Send the memory write command to the LCD controller.
|
815 |
|
|
LCD_SendLCDCmd( ST7637_RAMWR );
|
816 |
|
|
|
817 |
|
|
for( i = 0; i < bytesize; i++ )
|
818 |
|
|
{
|
819 |
|
|
// In this mode, use background color (no data was previously saved).
|
820 |
|
|
if ( Pointer_Mode == POINTER_RESTORE_LESS )
|
821 |
|
|
{
|
822 |
|
|
LCD_SendLCDData( DRAW_GetBGndColor() );
|
823 |
|
|
}
|
824 |
|
|
else
|
825 |
|
|
{
|
826 |
|
|
LCD_SendLCDData( *ptr++ );
|
827 |
|
|
}
|
828 |
|
|
}
|
829 |
|
|
}
|
830 |
|
|
|
831 |
|
|
/*******************************************************************************
|
832 |
|
|
*
|
833 |
|
|
* POINTER_SetApplication_Pointer_Mgr
|
834 |
|
|
*
|
835 |
|
|
*******************************************************************************/
|
836 |
|
|
/**
|
837 |
|
|
*
|
838 |
|
|
* Provides an user defined pointer manager.
|
839 |
|
|
*
|
840 |
|
|
* @param[in] mgr Pointer to the user defined pointer manager.
|
841 |
|
|
*
|
842 |
|
|
**/
|
843 |
|
|
/******************************************************************************/
|
844 |
|
|
void POINTER_SetApplication_Pointer_Mgr( tAppPtrMgr mgr )
|
845 |
|
|
{
|
846 |
|
|
Application_Pointer_Mgr = mgr;
|
847 |
|
|
}
|
848 |
|
|
|
849 |
|
|
/*******************************************************************************
|
850 |
|
|
*
|
851 |
|
|
* POINTER_SetColor
|
852 |
|
|
*
|
853 |
|
|
*******************************************************************************/
|
854 |
|
|
/**
|
855 |
|
|
*
|
856 |
|
|
* Set the pointer color.
|
857 |
|
|
*
|
858 |
|
|
* @param[in] color The new pointer color.
|
859 |
|
|
*
|
860 |
|
|
**/
|
861 |
|
|
/******************************************************************************/
|
862 |
|
|
void POINTER_SetColor( u16 color )
|
863 |
|
|
{
|
864 |
|
|
CurrentPointerColor = color;
|
865 |
|
|
}
|
866 |
|
|
|
867 |
|
|
/*******************************************************************************
|
868 |
|
|
*
|
869 |
|
|
* POINTER_GetColor
|
870 |
|
|
*
|
871 |
|
|
*******************************************************************************/
|
872 |
|
|
/**
|
873 |
|
|
*
|
874 |
|
|
* Return the current pointer color.
|
875 |
|
|
*
|
876 |
|
|
* @return Current pointer color.
|
877 |
|
|
*
|
878 |
|
|
**/
|
879 |
|
|
/******************************************************************************/
|
880 |
|
|
u16 POINTER_GetColor( void )
|
881 |
|
|
{
|
882 |
|
|
return CurrentPointerColor;
|
883 |
|
|
}
|
884 |
|
|
|
885 |
|
|
/*******************************************************************************
|
886 |
|
|
*
|
887 |
|
|
* POINTER_GetInfo
|
888 |
|
|
*
|
889 |
|
|
*******************************************************************************/
|
890 |
|
|
/**
|
891 |
|
|
*
|
892 |
|
|
* Get pointer informations.
|
893 |
|
|
*
|
894 |
|
|
* @return A pointer to a pointer information structure.
|
895 |
|
|
*
|
896 |
|
|
**/
|
897 |
|
|
/******************************************************************************/
|
898 |
|
|
tPointer_Info* POINTER_GetInfo( void )
|
899 |
|
|
{
|
900 |
|
|
return &POINTER_Info;
|
901 |
|
|
}
|