From 1d7f5be0ff3728637f2fc5fae2d3af719ae6901d Mon Sep 17 00:00:00 2001
From: Scott Lahteine <github@thinkyhead.com>
Date: Tue, 20 Feb 2018 19:44:02 -0600
Subject: [PATCH] quick_home_xy sensorless homing

---
 Marlin/src/gcode/calibrate/G28.cpp | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/Marlin/src/gcode/calibrate/G28.cpp b/Marlin/src/gcode/calibrate/G28.cpp
index 853d28c79d..5bc414b4ec 100644
--- a/Marlin/src/gcode/calibrate/G28.cpp
+++ b/Marlin/src/gcode/calibrate/G28.cpp
@@ -35,6 +35,10 @@
   #include "../../feature/bedlevel/bedlevel.h"
 #endif
 
+#if ENABLED(SENSORLESS_HOMING)
+  #include "../../feature/tmc_util.h"
+#endif
+
 #include "../../lcd/ultralcd.h"
 
 #if ENABLED(QUICK_HOME)
@@ -58,10 +62,26 @@
                 mlratio = mlx > mly ? mly / mlx : mlx / mly,
                 fr_mm_s = min(homing_feedrate(X_AXIS), homing_feedrate(Y_AXIS)) * SQRT(sq(mlratio) + 1.0);
 
+    #if ENABLED(SENSORLESS_HOMING)
+      #if ENABLED(X_IS_TMC2130) && defined(X_HOMING_SENSITIVITY)
+        tmc_sensorless_homing(stepperX);
+      #endif
+      #if ENABLED(Y_IS_TMC2130) && defined(Y_HOMING_SENSITIVITY)
+        tmc_sensorless_homing(stepperY);
+      #endif
+    #endif
+
     do_blocking_move_to_xy(1.5 * mlx * x_axis_home_dir, 1.5 * mly * home_dir(Y_AXIS), fr_mm_s);
     endstops.hit_on_purpose(); // clear endstop hit flags
     current_position[X_AXIS] = current_position[Y_AXIS] = 0.0;
+
     #if ENABLED(SENSORLESS_HOMING)
+      #if ENABLED(X_IS_TMC2130) && defined(X_HOMING_SENSITIVITY)
+        tmc_sensorless_homing(stepperX, false);
+      #endif
+      #if ENABLED(Y_IS_TMC2130) && defined(Y_HOMING_SENSITIVITY)
+        tmc_sensorless_homing(stepperY, false);
+      #endif
       safe_delay(500); // Short delay needed to settle
     #endif
   }