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GOLDELOX-GFX2, Related Display Modules and Softwares

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  • #16

    Q15. Can i change the orientation of the display modules in run time?

    Ans. Yes, you can change the orientation in run time. See the GOLDELOX-GFX2 Internal Functions document for more details.


    • #17

      Q16. Why does the contrast command not work with the uLCD-144(GFX) module?

      Ans. The LCD screens do not support contrast settings because of their design. You cannot change the contrast on an LCD, though you can turn the display On or Off.


      • #18

        Q17. Is it true that gfx_Trianglefilled() command slower then drawing other filled shapes?

        Ans. Yes, GFX_Trianglefilled() is slower than drawing other filled shapes because there is no display internal commands that allow fast filling in the triangle.


        • #19

          Q18. I am having problems communicating with the uSD card?

          Ans. Make sure your uSD card supports SPI interface, that is how the on board GOLDELOX-GFX2 processor connects to the uSD card. There are some duplicate cards in the market which fail to work with SPI with accuracy. No specific brands, it is just that they are duplicates of the popular uSD brands.


          • #20

            Q19. Does GOLDELOX-GFX2 support One-Wire?

            Ans. Yes, it does. It has only been tested with DALLAS One-Wire though.


            • #21

              Q20. Does GOLDELOX-GFX2 support addressing on One Wire?

              Ans. It hasn't been tested for addressing. At the moment it only supports Single Device Dallas One Wire Interface.


              • #22

                Q21. Does 4DGL support floating point variable types?

                Ans. No it doesn't.


                • #23

                  Q22. Does 4DGL support 8bit variable types?

                  Ans. No, it supports only 16bit variables.


                  • #24

                    Q23. Can I power the GOLDELOX-GFX2 based display modules through 3.3V?

                    Ans. All of our GOLDELOX-GFX2 based display modules have on board protection diodes and 3.3V regulators, they have forward voltage drops. Therefore you need to provide 5V to the display modules.


                    • #25

                      Q24. Where can i find the reference circuit diagrams of uOLED-96-G1(GFX), uOLED-128-G1(GFX) and uOLED-160-G1(GFX) display modules?

                      Ans. You can find the reference circuit diagrams of these three modules from the GOLDELOX-GFX2 Datasheet.


                      • #26

                        Q25. I have a uOLED-96-G1(GFX) and I am trying to use IO2 in the 4DGL code but as soon as i program, the screen stuffs up, why?

                        Ans. There is no IO2 in the uOLED-96-G1(GFX).


                        • #27

                          Q26. What Colours are available for use with the Graphics functions?

                          Ans. An assortment of colours are available that range from 0x0000 to 0xFFFF. A full listing of these colours can be found in the 4DGL_16bitColours.fnc file, which is located in the installed directory of the 4DWorkshop. This file can be accessed through the Workshop by firstly inheritting the file as so;

                          #inherit "4DGL_16bitColours.fnc"
                          Right click on the file and click 'Open file at Cursor'. This will display all possible colours. The same technique can be used on other inherit files to view their details