query_endstops: Add get_status() method that reports the last query state

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>

1 files changed, 6 insertions, 3 deletions

diff --git a/klippy/extras/query_endstops.py b/klippy/extras/query_endstops.py
index f0e5c58e..9682228f 100644
--- a/klippy/extras/query_endstops.py
+++ b/klippy/extras/query_endstops.py
@@ -8,21 +8,24 @@ class QueryEndstops:
     def __init__(self, config):
         self.printer = config.get_printer()
         self.endstops = []
+        self.last_state = {}
         gcode = self.printer.lookup_object('gcode')
         gcode.register_command("QUERY_ENDSTOPS", self.cmd_QUERY_ENDSTOPS,
                                desc=self.cmd_QUERY_ENDSTOPS_help)
         gcode.register_command("M119", self.cmd_QUERY_ENDSTOPS)
     def register_endstop(self, mcu_endstop, name):
         self.endstops.append((mcu_endstop, name))
+    def get_status(self, eventtime):
+        return {'last_query': {name: value for name, value in self.last_state}}
     cmd_QUERY_ENDSTOPS_help = "Report on the status of each endstop"
     def cmd_QUERY_ENDSTOPS(self, params):
         # Query the endstops
         print_time = self.printer.lookup_object('toolhead').get_last_move_time()
-        out = [(name, mcu_endstop.query_endstop(print_time))
-               for mcu_endstop, name in self.endstops]
+        self.last_state = [(name, mcu_endstop.query_endstop(print_time))
+                           for mcu_endstop, name in self.endstops]
         # Report results
         msg = " ".join(["%s:%s" % (name, ["open", "TRIGGERED"][not not t])
-                        for name, t in out])
+                        for name, t in self.last_state])
         gcode = self.printer.lookup_object('gcode')
         gcode.respond(msg)