Support set ready / not ready toggle from the LCD menu

ChangeLog

@@ -13,6 +13,7 @@
     * Support the new multi-level telemetry data structure
     * Don't send over serial when temperature calibration is running
     * Periodically send a keepalive gcode to keep the printer in PrusaLink mode
+    * Support the set ready and cancel ready LCD menu toggle
 
 0.7.1rc1 (2023-08-10)
     * Fixed HTTP response status on HEAD request for non-existing files

prusa/link/printer_adapter/command_handlers.py

@@ -528,14 +528,15 @@ class SetReady(Command):
 
     def _run_command(self):
         """Sets the printer into ready, if it's IDLE"""
-        self.state_manager.expect_change(
-            StateChange(command_id=self.command_id,
-                        default_source=self.source))
         if self.state_manager.get_state() not in {State.IDLE, State.READY}:
             raise CommandFailed(
                 "Cannot get into READY from anywhere other than IDLE")
+        self.state_manager.expect_change(
+            StateChange(command_id=self.command_id,
+                        default_source=self.source))
         self.state_manager.ready()
         self.state_manager.stop_expecting_change()
+        self.do_instruction("M72 S1")
 
 
 class CancelReady(Command):
@@ -544,11 +545,13 @@ class CancelReady(Command):
 
     def _run_command(self):
         """Cancels the READY state"""
-        self.state_manager.expect_change(
-            StateChange(command_id=self.command_id,
-                        default_source=self.source))
+        # Sets the LCD menu to reflect reality even if our state is not READY
+        self.do_instruction("M72 S0")
 
         if self.model.state_manager.base_state != State.READY:
             raise CommandFailed("Cannot cancel READY when not actually ready.")
+        self.state_manager.expect_change(
+            StateChange(command_id=self.command_id,
+                        default_source=self.source))
         self.state_manager.idle()
         self.state_manager.stop_expecting_change()

prusa/link/printer_adapter/prusa_link.py

@@ -83,8 +83,10 @@
 from .structures.regular_expressions import (
     LCD_UPDATE_REGEX,
     MBL_TRIGGER_REGEX,
+    NOT_READY_REGEX,
     PAUSE_PRINT_REGEX,
     PRINTER_BOOT_REGEX,
+    READY_REGEX,
     RESUME_PRINT_REGEX,
     TM_CAL_END_REGEX,
     TM_CAL_START_REGEX,
@@ -190,6 +192,10 @@ def __init__(self, cfg: Config, settings: Settings) -> None:
             PAUSE_PRINT_REGEX, lambda sender, match: self.fw_pause_print())
         self.serial_parser.add_decoupled_handler(
             RESUME_PRINT_REGEX, lambda sender, match: self.fw_resume_print())
+        self.serial_parser.add_decoupled_handler(
+            READY_REGEX, lambda sender, match: self.fw_set_ready())
+        self.serial_parser.add_decoupled_handler(
+            NOT_READY_REGEX, lambda sender, match: self.fw_cancel_ready())
 
         # Init components first, so they all exist for signal binding stuff
         # TODO: does not need printer, the transfer object should be
@@ -582,6 +588,18 @@ def fw_resume_print(self) -> None:
         command = ResumePrint(source=Source.USER)
         self.command_queue.enqueue_command(command)
 
+    def fw_set_ready(self) -> None:
+        """Set printer ready from the printer LCD menu"""
+        prctl_name()
+        command = SetReady(source=Source.USER)
+        self.command_queue.enqueue_command(command)
+
+    def fw_cancel_ready(self) -> None:
+        """Cancel printer ready from the printer LCD menu"""
+        prctl_name()
+        command = CancelReady(source=Source.USER)
+        self.command_queue.enqueue_command(command)
+
     # --- Signal handlers ---
     def layer_trigger(self, _):
         """Passes the call to trigger to the camera controller"""
@@ -829,6 +847,7 @@ def printer_reconnected(self, *_, **__) -> None:
         self.file_printer.stop_print()
         self.file_printer.wait_stopped()
         self.serial_queue.printer_reconnected(was_printing)
+        self.command_queue.enqueue_command(CancelReady(source=Source.SERIAL))
 
         # file printer stop print needs to happen before this
         self.state_manager.reset()

prusa/link/printer_adapter/structures/regular_expressions.py

@@ -67,6 +67,8 @@
 RESUME_PRINT_REGEX = re.compile("^// action:resume$")
 RESUMED_REGEX = re.compile("^// action:resumed$")
 CANCEL_REGEX = re.compile("^// action:cancel$")
+READY_REGEX = re.compile("^// action:ready$")
+NOT_READY_REGEX = re.compile("^// action:not_ready$")
 # This girthy regexp tries to capture all error messages requiring printer
 # reset using M999 or manual button, with connect, only manual reset shall
 # be accepted