Add BLTouch support

config/hardware/probes/bltouch.cfg

@@ -0,0 +1,28 @@
+# This probe type is for an BLTouch probe used directly as a virtual Z endstop rather than
+# with an existing physical endstop. This configuration is common if you are running a
+# Voron Switchwire or other "bed slinger" that does not have a fixed Z endstop at bed
+# height.
+
+[gcode_macro _USER_VARIABLES]
+variable_probe_type_enabled: "bltouch"
+variable_startprint_actions: "bed_soak", "extruder_preheating", "chamber_soak", "tilt_calib", "extruder_heating", "purge", "clean", "z_offset", "bedmesh", "primeline"
+gcode:
+
+# The BLTouch probe definition also includes the probe management and
+# overides directly from here
+[include ../../../macros/base/probing/generic_probe.cfg]
+
+[bltouch]
+sensor_pin: ^PROBE_INPUT
+control_pin: SERVO_PIN
+x_offset: 0.0
+y_offset: 0.0
+z_offset: 0
+samples: 1
+sample_retract_dist: 3.0
+samples_result: median
+samples_tolerance: 0.004
+samples_tolerance_retries: 1
+
+[stepper_z]
+endstop_pin: probe:z_virtual_endstop

macros/miscs/startup.cfg

@@ -88,6 +88,8 @@ gcode:
     {% if zcalib_plugin_enabled %}
         {% if probe_type_enabled == "vorontap" %}
             { action_raise_error("Voron TAP Probe and Z calibration plugin cannot be used at the same time in Klippain!") }
+        {% elif probe_type_enabled == "bltouch" %}
+            { action_raise_error("BLTouch Probe and Z calibration plugin cannot be used at the same time in Klippain!") }
         {% elif probe_type_enabled == "inductive" %}
             { action_raise_error("Inductive probe and Z calibration plugin cannot be used at the same time in Klippain!") }
         {% elif probe_type_enabled == "dockable_virtual" or probe_type_enabled == "inductive_virtual" %}

user_templates/printer.cfg

@@ -102,6 +102,9 @@
 
 ## Beacon probe also used as virtual Z endstop. Do not forget to install the plugin and add the [beacon] section to make it work!
 # [include config/hardware/probes/beacon_virtual.cfg]
+
+## BLTouch probe also used as virtual Z endstop.
+# [include config/hardware/probes/bltouch.cfg]
 # ----------------------------------------------------------------------------------------