From bc4bef1e2cf69ee8f149be544778b922a18dc3aa Mon Sep 17 00:00:00 2001
From: Knutwurst <36196269+knutwurst@users.noreply.github.com>
Date: Sat, 19 Sep 2020 22:42:36 +0200
Subject: [PATCH] Increase serial rx buffer size for USB communication

---
 Marlin/Configuration_adv.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Marlin/Configuration_adv.h b/Marlin/Configuration_adv.h
index 6a0e0bf0..8fa95d0a 100755
--- a/Marlin/Configuration_adv.h
+++ b/Marlin/Configuration_adv.h
@@ -1772,12 +1772,12 @@
 // Without XON/XOFF flow control (see SERIAL_XON_XOFF below) 32 bytes should be enough.
 // To use flow control, set this buffer size to at least 1024 bytes.
 // :[0, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048]
-#define RX_BUFFER_SIZE 256
+#define RX_BUFFER_SIZE 512
 
 #if RX_BUFFER_SIZE >= 1024
   // Enable to have the controller send XON/XOFF control characters to
   // the host to signal the RX buffer is becoming full.
-  //#define SERIAL_XON_XOFF
+  #define SERIAL_XON_XOFF
 #endif
 
 // Add M575 G-code to change the baud rate