Klipper Firmware LCD config

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weckso
Posts: 4
Joined: Tue Jul 28, 2020 12:33 pm

Klipper Firmware LCD config

Post by weckso »

Does anyone have the appropriate LCD configuration section for setting up Klipper firmware on the A20M? Maybe an updated schematic for the GT2560v3 and LCD panel would also work.

thanks!
-W
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William
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Re: Klipper Firmware LCD config

Post by William »

Klipper firmware we have not used.
-Keep your mind and try to test it. :)
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weckso
Posts: 4
Joined: Tue Jul 28, 2020 12:33 pm

Re: Klipper Firmware LCD config

Post by weckso »

Someone else on this forum mentions that he got it working, but unfortunately didn't post how.

#[display]
#lcd_type: hd44780
#rs_pin: ar20
#e_pin: ar36
#d4_pin: ar21
#d5_pin: ar21
#d6_pin: ar5
#d7_pin: ar6
#encoder_pins: ^ar16, ^ar17
#click_pin: ^!ar19

Basically I need pin definitions for the GT2570v3 + LCD panel on the A20M to configure here.

-W
weckso
Posts: 4
Joined: Tue Jul 28, 2020 12:33 pm

Re: Klipper Firmware LCD config

Post by weckso »

This is resolved - for those searching on how to make Klipper work with the A20M LCD :

[display]
lcd_type: st7920
cs_pin: ar5
sclk_pin: ar21
sid_pin: ar36

encoder_pins: ^ar16,^ar17
click_pin: ^ar19

[output_pin beeper]
pin: ar18

The GT2560v3 schematic is useless, had to derive this from digging through the Marlin firmware.

-W
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