LCDconf.c for STM32746G-Discovery problem

Original

#define COLOR_CONVERSION_0 GUICC_M8888I
#define DISPLAY_DRIVER_0   GUIDRV_LIN_32

Correct

#define COLOR_CONVERSION_0 GUICC_M888
#define DISPLAY_DRIVER_0   GUIDRV_LIN_24

Original

static inline U32 LCD_LL_GetPixelformat(U32 LayerIndex)
{
  if (LayerIndex == 0)
  {
    return LTDC_PIXEL_FORMAT_ARGB8888;
  } 
  else
  {
    return LTDC_PIXEL_FORMAT_ARGB1555;
  } 
}

Correct

static uint32_t LCD_LL_GetPixelformat(uint32_t LayerIndex) { const LCD_API_COLOR_CONV * pColorConvAPI; if (LayerIndex >= GUI_NUM_LAYERS) { return 0; } pColorConvAPI = layer_prop[LayerIndex].pColorConvAPI; if (pColorConvAPI == GUICC_M8888I) { return LTDC_PIXEL_FORMAT_ARGB8888; } else if (pColorConvAPI == GUICC_M888) { return LTDC_PIXEL_FORMAT_RGB888; } else if (pColorConvAPI == GUICC_M565) { return LTDC_PIXEL_FORMAT_RGB565; } else if (pColorConvAPI == GUICC_M1555I) { return LTDC_PIXEL_FORMAT_ARGB1555; } else if (pColorConvAPI == GUICC_M4444I) { return LTDC_PIXEL_FORMAT_ARGB4444; } else if (pColorConvAPI == GUICC_8666) { return LTDC_PIXEL_FORMAT_L8; } else if (pColorConvAPI == GUICC_1616I) { return LTDC_PIXEL_FORMAT_AL44; } else if (pColorConvAPI == GUICC_88666I) { return LTDC_PIXEL_FORMAT_AL88; } while (1); }

Template LCDConf.c from Keil

#include "GUI.h"

/*********************************************************************
*
*       Layer configuration (to be modified)
*
**********************************************************************
*/
//
// Physical display size
//   The display size should be adapted in order to match the size of
//   the target display.
//
#define XSIZE_PHYS 480
#define YSIZE_PHYS 272

//
// Color conversion
//   The color conversion functions should be selected according to
//   the color mode of the target display. Detaileds can be found in
//   the chapter "Colors" in the emWin user manual.
//
#define COLOR_CONVERSION GUICC_8888

//
// Display driver
//   GUIDRV_WIN32 is for use only within the emWin Simulation
//   environment. In order to use the target display controller, the
//   according emWin display driver should be configured as it is
//   described in the chapter "Display Drivers" in the emWin user
//   manual. Beyond that sample configuration files can be found in
//   The folder "Sample\LCDConf\%DISPLAY_DRIVER%\".
//
#define DISPLAY_DRIVER GUIDRV_WIN32

/*********************************************************************
*
*       Configuration checking
*
**********************************************************************
*/
#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

/*********************************************************************
*
*       Public code
*
**********************************************************************
*/
/*********************************************************************
*
*       LCD_X_Config
*
* Function description
*   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_X_DisplayDriver
*
* Function description
*   Display driver callback function. This function is called by the
*   Display driver for certain purposes. Using GUIDRV_Win32 it is not
*   required to react to any command.
*/
int LCD_X_DisplayDriver(unsigned LayerIndex, unsigned Cmd, void * pData) {
  GUI_USE_PARA(LayerIndex);
  GUI_USE_PARA(Cmd);
  GUI_USE_PARA(pData);
  return 0;
}

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