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klippy: Improve error reporting during connect

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Catch exceptions during the connect phase and report them via the
gcode interface to the user.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2016-11-30 14:30:45 -05:00
parent dbdf1e137e
commit 524e0290bc
3 changed files with 69 additions and 19 deletions
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17
klippy/gcode.py
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@ -109,7 +109,7 @@ class GCodeParser:
except:
logging.exception("Exception in command handler")
self.toolhead.force_shutdown()
self.respond('Error: Internal error on command:"%s"' % (cmd,))
self.respond_error('Internal error on command:"%s"' % (cmd,))
# Check if machine can process next command or must stall input
if self.busy_state is not None:
break
@ -146,6 +146,11 @@ class GCodeParser:
if self.is_fileinput:
return
os.write(self.fd, msg+"\n")
def respond_error(self, msg):
lines = msg.strip().split('\n')
for line in lines[:-1]:
self.respond('// %s' % (line.strip(),))
self.respond('!! %s' % (lines[-1].strip(),))
# Busy handling
def set_busy(self, busy_handler):
self.busy_state = busy_handler
@ -154,12 +159,12 @@ class GCodeParser:
try:
busy = self.busy_state.check_busy(eventtime)
except homing.EndstopError, e:
self.respond("Error: %s" % (e,))
self.respond_error(str(e))
busy = False
except:
logging.exception("Exception in busy handler")
self.toolhead.force_shutdown()
self.respond('Error: Internal error in busy handler')
self.respond_error('Internal error in busy handler')
busy = False
if busy:
self.toolhead.reset_motor_off_time(eventtime)
@ -208,7 +213,7 @@ class GCodeParser:
# Individual command handlers
def cmd_default(self, params):
if not self.is_printer_ready:
self.respond('Error: Printer is not ready')
self.respond_error(self.printer.get_state_message())
return
cmd = params.get('#command')
if not cmd:
@ -233,7 +238,7 @@ class GCodeParser:
try:
self.toolhead.move(self.last_position, self.speed, sloppy)
except homing.EndstopError, e:
self.respond("Error: %s" % (e,))
self.respond_error(str(e))
self.last_position = self.toolhead.get_position()
def cmd_G4(self, params):
# Dwell
@ -244,7 +249,7 @@ class GCodeParser:
self.toolhead.dwell(delay)
def cmd_G20(self, params):
# Set units to inches
self.respond('Error: Machine does not support G20 (inches) command')
self.respond_error('Machine does not support G20 (inches) command')
def cmd_G21(self, params):
# Set units to millimeters
pass