From ce9a4afe95328424e54d7e040046655ddf48eba8 Mon Sep 17 00:00:00 2001
From: Jason Smith <jason.inet@gmail.com>
Date: Tue, 26 Nov 2019 23:26:22 -0800
Subject: [PATCH] Better ST7920 timings for FYSETC S6 (#16022)

---
 Marlin/src/pins/stm32/pins_FYSETC_S6.h | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/Marlin/src/pins/stm32/pins_FYSETC_S6.h b/Marlin/src/pins/stm32/pins_FYSETC_S6.h
index 56e13dc72e..def6406e44 100644
--- a/Marlin/src/pins/stm32/pins_FYSETC_S6.h
+++ b/Marlin/src/pins/stm32/pins_FYSETC_S6.h
@@ -95,7 +95,6 @@
 #if HAS_TMC220x
   /**
    * TMC2208/TMC2209 stepper drivers
-   *
    */
 
   //
@@ -214,9 +213,15 @@
 
 // Alter timing for graphical display
 #if HAS_GRAPHICAL_LCD
-  #define BOARD_ST7920_DELAY_1 DELAY_NS(96)
-  #define BOARD_ST7920_DELAY_2 DELAY_NS(48)
-  #define BOARD_ST7920_DELAY_3 DELAY_NS(600)
+  #ifndef BOARD_ST7920_DELAY_1
+    #define BOARD_ST7920_DELAY_1 DELAY_NS(103)
+  #endif
+  #ifndef BOARD_ST7920_DELAY_2
+    #define BOARD_ST7920_DELAY_2 DELAY_NS(51)
+  #endif
+  #ifndef BOARD_ST7920_DELAY_3
+    #define BOARD_ST7920_DELAY_3 DELAY_NS(642)
+  #endif
 #endif
 
 #ifndef RGB_LED_R_PIN
@@ -231,4 +236,3 @@
 #ifndef RGB_LED_W_PIN
   #define RGB_LED_W_PIN    -1
 #endif
-