From bd44f041e82ac7aaf83cdba4fbb6d5fe17c46d47 Mon Sep 17 00:00:00 2001
From: Gurmeet Athwal <gurmeet.athwal@gmail.com>
Date: Wed, 11 Mar 2020 06:43:59 +0530
Subject: [PATCH] M220 print FR percentage (#17101)
---
Marlin/src/gcode/config/M220.cpp | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/Marlin/src/gcode/config/M220.cpp b/Marlin/src/gcode/config/M220.cpp
index e09a5f7534..5ea75c09c6 100644
--- a/Marlin/src/gcode/config/M220.cpp
+++ b/Marlin/src/gcode/config/M220.cpp
@@ -29,6 +29,8 @@
* Parameters
* S<percent> : Set the feed rate percentage factor
*
+ * Report the current speed percentage factor if no parameter is specified
+ *
* With PRUSA_MMU2...
* B : Flag to back up the current factor
* R : Flag to restore the last-saved factor
@@ -43,4 +45,9 @@ void GcodeSuite::M220() {
if (parser.seenval('S')) feedrate_percentage = parser.value_int();
+ if (!parser.seen_any()) {
+ SERIAL_ECHOPAIR("FR:", feedrate_percentage);
+ SERIAL_CHAR('%');
+ SERIAL_EOL();
+ }
}