skew_correction: Supports retrieving the name of the currently loaded…

… skew correction … (#6821)

Signed-off-by: Zhang Gaofan <zhanggaofan0827@gmail.com>

docs/Status_Reference.md

@@ -447,6 +447,12 @@ The following information is available in
 - `printer["servo <config_name>"].value`: The last setting of the PWM
   pin (a value between 0.0 and 1.0) associated with the servo.
 
+## skew_correction.py
+
+The following information is available in the `skew_correction` object (this
+object is available if any skew_correction is defined):
+- `current_profile_name`: Returns the name of the currently loaded SKEW_PROFILE.
+
 ## stepper_enable
 
 The following information is available in the `stepper_enable` object (this

klippy/extras/skew_correction.py

@@ -20,6 +20,7 @@ class PrinterSkew:
     def __init__(self, config):
         self.printer = config.get_printer()
         self.name = config.get_name()
+        self.current_profile_name = ""
         self.toolhead = None
         self.xy_factor = 0.
         self.xz_factor = 0.
@@ -117,6 +118,7 @@ def cmd_SET_SKEW(self, gcmd):
     def cmd_SKEW_PROFILE(self, gcmd):
         if gcmd.get('LOAD', None) is not None:
             name = gcmd.get('LOAD')
+            self.current_profile_name = name
             prof = self.skew_profiles.get(name)
             if prof is None:
                 gcmd.respond_info(
@@ -156,7 +158,10 @@ def cmd_SKEW_PROFILE(self, gcmd):
                 gcmd.respond_info(
                     "skew_correction: No profile named [%s] to remove"
                     % (name))
-
+    def get_status(self, eventtime):
+        return {
+            'current_profile_name': self.current_profile_name
+        }
 
 def load_config(config):
     return PrinterSkew(config)