From fe4c00fb8a8ff32fcafecb2a730e432a7f065607 Mon Sep 17 00:00:00 2001
From: Yuri D'Elia <wavexx@thregr.org>
Date: Fri, 27 Dec 2019 19:35:08 +0100
Subject: [PATCH] Lift the extruder when checking for the filament

This avoids leaving marks on the print
---
 Firmware/fsensor.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Firmware/fsensor.cpp b/Firmware/fsensor.cpp
index b9b1f0685..02f7d572b 100755
--- a/Firmware/fsensor.cpp
+++ b/Firmware/fsensor.cpp
@@ -585,6 +585,11 @@ void fsensor_update(void)
 			bool oq_meassure_enabled_tmp = fsensor_oq_meassure_enabled;
 			fsensor_oq_meassure_enabled = true;
 
+            // move the nozzle away while checking the filament
+            current_position[Z_AXIS] += 0.8;
+            if(current_position[Z_AXIS] > Z_MAX_POS) current_position[Z_AXIS] = Z_MAX_POS;
+            plan_buffer_line_curposXYZE(max_feedrate[Z_AXIS], active_extruder);
+            st_synchronize();
 
 			fsensor_err_cnt = 0;
 			fsensor_oq_meassure_start(0);