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  1. #1
    Banned
    Join Date
    Mar 2021
    Posts
    62

    #define graphic LCD displays

    Hi.
    Please I have a BITREECH TFT 43 V3.0 display and I don't know how to have it #define in FW Marlin.
    Thank you in advance for your help.

  2. #2
    Staff Engineer
    Join Date
    Jul 2016
    Location
    South Florida, USA
    Posts
    1,197
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    Hello. So at the top of configuration.h you should have serial port set to 1 and I like to uncomment second serial port and set it to -1.

    For lcd12864 mode you will need to connect the 2 ribbon s to exp1 and exp2 and then at the bottom of configuration.h you will want to uncomment reprap_full_graphic_controller

    For the touchscreen ode you will only need to connect 4 or 5 wires. They are +5v power, ground, rx, tx, and the optional 5th pin is for reset. This pin will trigger a reset on the mainboard when the reset button is pushed on the display. This is a nice option to have but as with the 2 ribbons and lcd12864 mode it is optional and the screen can function with just the power, ground, and communications wires connected.

    I have all of my screens connected both ways and regularly flip back and forth between the two and I strongly recommend you do the same.

  3. #3
    Banned
    Join Date
    Mar 2021
    Posts
    62
    Hi.

    I have a display connected for both modes. I just didn't know how to set the FW, I'm just learning everything.

    Thank you for the great help.

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