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-rw-r--r--klippy/klippy.py66
1 files changed, 56 insertions, 10 deletions
diff --git a/klippy/klippy.py b/klippy/klippy.py
index 8850361d..088d81bb 100644
--- a/klippy/klippy.py
+++ b/klippy/klippy.py
@@ -7,6 +7,32 @@
import sys, optparse, ConfigParser, logging, time, threading
import gcode, toolhead, util, mcu, fan, heater, extruder, reactor, queuelogger
+message_startup = """
+The klippy host software is attempting to connect. Please
+retry in a few moments.
+Printer is not ready
+"""
+
+message_restart = """
+This is an unrecoverable error. Please correct the
+underlying issue and then manually restart the klippy host
+software.
+Printer is halted
+"""
+
+message_mcu_connect_error = """
+This is an unrecoverable error. Please manually restart
+both the firmware and the host software.
+Error configuring printer
+"""
+
+message_shutdown = """
+This is an unrecoverable error. Please correct the
+underlying issue and then manually restart both the
+firmware and the host software.
+Printer is shutdown
+"""
+
class ConfigWrapper:
def __init__(self, printer, section):
self.printer = printer
@@ -38,6 +64,7 @@ class Printer:
self.stats_timer = self.reactor.register_timer(self.stats)
self.connect_timer = self.reactor.register_timer(
self.connect, self.reactor.NOW)
+ self.state_message = message_startup
self.debugoutput = self.dictionary = None
self.fileconfig = None
self.mcu = None
@@ -74,23 +101,42 @@ class Printer:
self.gcode.build_config()
self.mcu.build_config()
def connect(self, eventtime):
- self.load_config()
- if self.debugoutput is None:
- self.reactor.update_timer(self.stats_timer, self.reactor.NOW)
- else:
- self.mcu.connect_file(self.debugoutput, self.dictionary)
- self.mcu.connect()
- self.build_config()
- self.gcode.set_printer_ready(True)
+ try:
+ self.load_config()
+ if self.debugoutput is None:
+ self.reactor.update_timer(self.stats_timer, self.reactor.NOW)
+ else:
+ self.mcu.connect_file(self.debugoutput, self.dictionary)
+ self.mcu.connect()
+ self.build_config()
+ self.gcode.set_printer_ready(True)
+ self.state_message = "Running"
+ except mcu.error, e:
+ logging.exception("MCU error during connect")
+ self.state_message = "%s%s" % (str(e), message_mcu_connect_error)
+ self.reactor.update_timer(self.stats_timer, self.reactor.NEVER)
+ except:
+ logging.exception("Unhandled exception during connect")
+ self.state_message = "Internal error during connect.%s" % (
+ message_restart)
+ self.reactor.update_timer(self.stats_timer, self.reactor.NEVER)
self.reactor.unregister_timer(self.connect_timer)
return self.reactor.NEVER
def run(self):
- self.reactor.run()
+ try:
+ self.reactor.run()
+ except:
+ logging.exception("Unhandled exception during run")
+ return
# If gcode exits, then exit the MCU
self.stats(time.time())
self.mcu.disconnect()
self.stats(time.time())
- def note_shutdown(self):
+ def get_state_message(self):
+ return self.state_message
+ def note_shutdown(self, msg):
+ self.state_message = "Firmware shutdown: %s%s" % (
+ msg, message_shutdown)
self.gcode.set_printer_ready(False)