From a8f8201c90db4bdb01175e2cbd41c27f9309ed86 Mon Sep 17 00:00:00 2001 From: XDA-Bam <1209896+XDA-Bam@users.noreply.github.com> Date: Sat, 3 Apr 2021 02:11:22 +0200 Subject: [PATCH] Update u8g / AVR display timing defaults (#21518) --- Marlin/src/lcd/dogm/ultralcd_st7920_u8glib_rrd_AVR.cpp | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/Marlin/src/lcd/dogm/ultralcd_st7920_u8glib_rrd_AVR.cpp b/Marlin/src/lcd/dogm/ultralcd_st7920_u8glib_rrd_AVR.cpp index 1e19bf85e5..24baae221e 100644 --- a/Marlin/src/lcd/dogm/ultralcd_st7920_u8glib_rrd_AVR.cpp +++ b/Marlin/src/lcd/dogm/ultralcd_st7920_u8glib_rrd_AVR.cpp @@ -34,9 +34,9 @@ #include "ultralcd_st7920_u8glib_rrd_AVR.h" #if F_CPU >= 20000000 - #define CPU_ST7920_DELAY_1 DELAY_NS(0) + #define CPU_ST7920_DELAY_1 DELAY_NS(150) #define CPU_ST7920_DELAY_2 DELAY_NS(0) - #define CPU_ST7920_DELAY_3 DELAY_NS(50) + #define CPU_ST7920_DELAY_3 DELAY_NS(150) #elif MB(3DRAG, K8200, K8400) #define CPU_ST7920_DELAY_1 DELAY_NS(0) #define CPU_ST7920_DELAY_2 DELAY_NS(188) @@ -58,9 +58,9 @@ #define CPU_ST7920_DELAY_2 DELAY_NS(40) #define CPU_ST7920_DELAY_3 DELAY_NS(340) #elif F_CPU == 16000000 - #define CPU_ST7920_DELAY_1 DELAY_NS(0) + #define CPU_ST7920_DELAY_1 DELAY_NS(125) #define CPU_ST7920_DELAY_2 DELAY_NS(0) - #define CPU_ST7920_DELAY_3 DELAY_NS(63) + #define CPU_ST7920_DELAY_3 DELAY_NS(125) #else #error "No valid condition for delays in 'ultralcd_st7920_u8glib_rrd_AVR.h'" #endif