From eda5190581972c549079a84ba2afef881a688884 Mon Sep 17 00:00:00 2001
From: Scott Lahteine <sourcetree@thinkyhead.com>
Date: Wed, 2 Mar 2016 19:55:01 -0800
Subject: [PATCH] Check for known position in `M48`
---
Marlin/Marlin_main.cpp | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/Marlin/Marlin_main.cpp b/Marlin/Marlin_main.cpp
index 8df5c2f08f..d5d5d6aad0 100644
--- a/Marlin/Marlin_main.cpp
+++ b/Marlin/Marlin_main.cpp
@@ -1808,6 +1808,11 @@ static void setup_for_endstop_move() {
#endif // AUTO_BED_LEVELING_FEATURE
+static void unknown_position_error() {
+ LCD_MESSAGEPGM(MSG_POSITION_UNKNOWN);
+ SERIAL_ECHO_START;
+ SERIAL_ECHOLNPGM(MSG_POSITION_UNKNOWN);
+}
#if ENABLED(Z_PROBE_SLED)
@@ -3651,6 +3656,11 @@ inline void gcode_M42() {
*/
inline void gcode_M48() {
+ if (!axis_known_position[X_AXIS] || !axis_known_position[Y_AXIS] || !axis_known_position[Z_AXIS]) {
+ unknown_position_error();
+ return;
+ }
+
double sum = 0.0, mean = 0.0, sigma = 0.0, sample_set[50];
uint8_t verbose_level = 1, n_samples = 10, n_legs = 0, schizoid_flag = 0;
--
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