/*********************************************************************
*                SEGGER Microcontroller GmbH & Co. KG                *
*        Solutions for real time microcontroller applications        *
**********************************************************************
*                                                                    *
*        (c) 1996 - 2009  SEGGER Microcontroller GmbH & Co. KG       *
*                                                                    *
*        Internet: www.segger.com    Support:  support@segger.com    *
*                                                                    *
**********************************************************************
----------------------------------------------------------------------
File        : LCDConf.c
Purpose     : Display controller configuration (single layer)
---------------------------END-OF-HEADER------------------------------
*/

#include "GUI.h"

#include "GUIDRV_Lin.h"

/*********************************************************************
*
*       Layer configuration (to be modified)
*
**********************************************************************
*/
//
// Physical display size
//
#define XSIZE_PHYS 480
#define YSIZE_PHYS 272

//
// Color conversion
//
#define COLOR_CONVERSION GUICC_M8888I

//
// Display driver
//
#define DISPLAY_DRIVER GUIDRV_LIN_32

/*********************************************************************
*
*       Configuration checking
*
**********************************************************************
*/
#ifndef   VRAM_ADDR
  #define VRAM_ADDR _aVRAM0
#endif
#ifndef   XSIZE_PHYS
  #error Physical X size of display is not defined!
#endif
#ifndef   YSIZE_PHYS
  #error Physical Y size of display is not defined!
#endif
#ifndef   COLOR_CONVERSION
  #error Color conversion not defined!
#endif
#ifndef   DISPLAY_DRIVER
  #error No display driver defined!
#endif

/*********************************************************************
*
*       Static data
*
**********************************************************************
*/
static U8 _aVRAM0[XSIZE_PHYS * YSIZE_PHYS * 4] __attribute__ ((section (".GUI_RAM")));

/*********************************************************************
*
*       Public code
*
**********************************************************************
*/
/*********************************************************************
*
*       LCD_X_Config
*
* Purpose:
*   Called during the initialization process in order to set up the
*   display driver configuration.
*   
*/
void LCD_X_Config(void) {
  //
  // Set display driver and color conversion for 1st layer
  //
  GUI_DEVICE_CreateAndLink(DISPLAY_DRIVER, COLOR_CONVERSION, 0, 0);
  //
  // Display driver configuration
  //
  if (LCD_GetSwapXY()) {
    LCD_SetSizeEx (0, YSIZE_PHYS, XSIZE_PHYS);
    LCD_SetVSizeEx(0, YSIZE_PHYS, XSIZE_PHYS);
  } else {
    LCD_SetSizeEx (0, XSIZE_PHYS, YSIZE_PHYS);
    LCD_SetVSizeEx(0, XSIZE_PHYS, YSIZE_PHYS);
  }
  LCD_SetVRAMAddrEx(0, (void *)VRAM_ADDR);
}

/*********************************************************************
*
*       LCD_X_DisplayDriver
*
* Purpose:
*   This function is called by the display driver for several purposes.
*   To support the according task the routine needs to be adapted to
*   the display controller. Please note that the commands marked with
*   'optional' are not cogently required and should only be adapted if 
*   the display controller supports these features.
*
* Parameter:
*   LayerIndex - Index of layer to be configured
*   Cmd        - Please refer to the details in the switch statement below
*   pData      - Pointer to a LCD_X_DATA structure
*
* Return Value:
*   < -1 - Error
*     -1 - Command not handled
*      0 - Ok
*/
int LCD_X_DisplayDriver(unsigned LayerIndex, unsigned Cmd, void * pData) {
  int r;

  switch (Cmd) {
  //
  // Required
  //
  case LCD_X_INITCONTROLLER: {
    //
    // Just return 0 to indicate LCD controller set up has been done
    //
    return 0;
  }
  default:
    r = -1;
  }
  return r;
}

/*************************** End of file ****************************/