You can adjust the display registry settings directly using the Display Tool. The tool provides an interactive graphical interface with all the display settings supported by the display driver through registry.
:::info Currently, Display Tool is supported for Colibri VFxx, iMX7x, iMX6x, Txx and Apalis iMX6x & Txx modules only. :::
The features are further subdivided into specific configurations to provide a better understanding of the tool.
- Display Hardware Configuration
<br />BPP Specify the bit per pixel which is used in the internal frame buffer.
LDDS Specify the number of data lines which are used to connect the display.
hsp Polarity of the Hsync signal.
vsp Polarity of the Vsync signal.
pcp Polarity of the pixel clock signal.
- Display Timings
Pixel Clock(pclk) Configure the pixel clock frequency.
hsw Horizontal Sync Width. Sync setup time in clocks.
blw Beginning of Line/Beginning of Frame Pixel Clock Wait Count. (Back Porch in clocks. Yes, our "front" is the back porch).
CxScreen Here you can set the horizontal resolution of your display.
elw End of line width. Sync setup time in clocks.
vsw Vertical sync width.
bfw Beginning of frame width (Back Porch).
CyScreen Here you can set the vertical resolution of your display.
efw End of frame width.
- Special Features
VideoRAMSize Allocated memory for display driver in Bytes.
FirstRefreshDelay Value of refresh delay.
LCDBS Display signal buffer strength.
BL_GPIO SODIMM/MXM used to turn On/Off Backlight(0 means no pin is used).
BL_POL Polarity for Backlight GPIO.
DISP_POL Display On/Off polarity .
DISP_GPIO SODIMM/MXM used to turn display On/Off(0 means no pin is used).
UseSplashSettings Uses the configuration used for the splash screen.
Rotate Rotate display to according to the requirement.
SavePreset Save the current display settings to a .reg file.
Preset Select available display presets from the ComboBox. Preset file/s should be located in "DisplayPreset" folder. Application binary and "DisplayPresets" should be kept in the same directory.
RegSave Save the display settings to the [Registry](/windows-ce/knowledge-base/registry) and save the registry to the flash memory.
ConfigSave Save the display settings to the [Config Block](/windows-ce/knowledge-base/config-block). This is used to modify the splash screen display settings
Set It updates Frame Clock and Line Clock value
- To get the correct range of supported values from the display driver, read the Display Driver Registry Settings article.
- As per the registry settings by default UseSplashSettings are enabled, to see desired changes in display driver according to the settings un-check the checkbox.
- For changes in display setting to take effect, reboot the module.
Please find the download link for the respective OS to be mentioned below: