From f338bccc3bf3161f727fa276ff7246fff4bb5329 Mon Sep 17 00:00:00 2001
From: Arksine <arksine.code@gmail.com>
Date: Tue, 18 Aug 2020 08:48:57 -0400
Subject: [PATCH] paneldue:  Add support for the piezo buzzer

Signed-off-by:  Eric Callahan <arksine.code@gmail.com>
---
 moonraker/plugins/paneldue.py | 28 ++++++++++++++++++----------
 1 file changed, 18 insertions(+), 10 deletions(-)

diff --git a/moonraker/plugins/paneldue.py b/moonraker/plugins/paneldue.py
index 9cd84d6..48a58ce 100644
--- a/moonraker/plugins/paneldue.py
+++ b/moonraker/plugins/paneldue.py
@@ -144,7 +144,7 @@ class PanelDue:
         self.printer_state = {
             'gcode_move': {}, 'toolhead': {}, 'virtual_sdcard': {},
             'fan': {}, 'display_status': {}, 'print_stats': {},
-            'idle_timeout': {}}
+            'idle_timeout': {}, 'gcode_macro PANELDUE_BEEP': {}}
         self.extruder_count = 0
         self.heaters = []
         self.is_ready = False
@@ -154,6 +154,7 @@ class PanelDue:
         # Set up macros
         self.confirmed_gcode = ""
         self.mbox_sequence = 0
+        self.beep_sequence = 0
         self.available_macros = {}
         self.confirmed_macros = {
             "RESTART": "RESTART",
@@ -188,9 +189,6 @@ class PanelDue:
         self.server.register_event_handler(
             "server:gcode_response", self.handle_gcode_response)
 
-        self.server.register_remote_method(
-            "paneldue_beep", self.handle_paneldue_beep)
-
         # These commands are directly executued on the server and do not to
         # make a request to Klippy
         self.direct_gcodes = {
@@ -250,7 +248,7 @@ class PanelDue:
         self.printer_state = {
             'gcode_move': {}, 'toolhead': {}, 'virtual_sdcard': {},
             'fan': {}, 'display_status': {}, 'print_stats': {},
-            'idle_timeout': {}}
+            'idle_timeout': {}, 'gcode_macro PANELDUE_BEEP': {}}
         sub_args = {k: None for k in self.printer_state.keys()}
         self.extruder_count = 0
         self.heaters = []
@@ -287,12 +285,22 @@ class PanelDue:
                 self.printer_state[obj].update(items)
             else:
                 self.printer_state[obj] = items
+        if "gcode_macro PANELDUE_BEEP" in status:
+            # This only processes a paneldue beep when the macro's
+            # variables have changed
+            params = self.printer_state["gcode_macro PANELDUE_BEEP"]
+            try:
+                self.handle_paneldue_beep(**params)
+            except Exception:
+                logging.exception("Unable to process PANELDUE_BEEP")
 
-    def handle_paneldue_beep(self, frequency, duration):
-        duration = int(duration * 1000.)
-        self.ioloop.spawn_callback(
-            self.write_response,
-            {'beep_freq': frequency, 'beep_length': duration})
+    def handle_paneldue_beep(self, sequence, frequency, duration):
+        if sequence != self.beep_sequence:
+            self.beep_sequence = sequence
+            duration = int(duration * 1000.)
+            self.ioloop.spawn_callback(
+                self.write_response,
+                {'beep_freq': frequency, 'beep_length': duration})
 
     async def process_line(self, line):
         # If we find M112 in the line then skip verification