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Update LCD timing on Formbot T-Rex 2+ machines

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The code is slightly more optimized than it used to be and this has caused the setup and hold times on the Formbot T-Rex 2+ machines to be insufficient.   This change gives sufficient margin and the LCD Display is clean again.
This commit is contained in:
Roxy-3D 2020-03-24 17:15:03 -05:00 committed by GitHub
parent 5d515c3a2f
commit 075a86b076
Signed by: GitHub
GPG key ID: 4AEE18F83AFDEB23
1 changed files with 9 additions and 0 deletions
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Marlin/src/pins/ramps/pins_FORMBOT_TREX2PLUS.h
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@ -21,6 +21,15 @@
*/ */
#pragma once #pragma once
/**
* Override default LCD timing for Formbot T-Rex 2+ machines.
* The long LCD cables and the routing near electrically noisy stepper motors
* requires a slightly longer setup and hold time on the signals.
*/
#define BOARD_ST7920_DELAY_1 DELAY_NS(200)
#define BOARD_ST7920_DELAY_2 DELAY_NS(200)
#define BOARD_ST7920_DELAY_3 DELAY_NS(200)
/** /**
* Formbot pin assignments * Formbot pin assignments
*/ */