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toolhead: Force a firmware shutdown on an unhandled exception

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Check for unhandled exceptions and force the MCU to shutdown in that
case.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2016-09-19 13:18:55 -04:00
parent 0824d32319
commit a7b81dc05c
3 changed files with 44 additions and 21 deletions
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6
klippy/mcu.py
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@ -252,6 +252,7 @@ class MCU:
self.is_shutdown = False
self.output_file_mode = False
# Config building
self._emergency_stop_cmd = None
self._num_oids = 0
self._config_cmds = []
self._config_crc = None
@ -328,6 +329,8 @@ class MCU:
if err:
stats += " step_errors=%d" % (err,)
return stats
def force_shutdown(self):
self.send(self._emergency_stop_cmd.encode())
# Configuration phase
def _add_custom(self):
data = self._config.get('custom', '')
@ -340,6 +343,7 @@ class MCU:
continue
self.add_config_cmd(line)
def build_config(self):
self._emergency_stop_cmd = self.lookup_command("emergency_stop")
# Build config commands
self._add_custom()
self._config_cmds.insert(0, "allocate_oids count=%d" % (
@ -504,6 +508,8 @@ class DummyMCU:
pass
def stats(self, eventtime):
return ""
def force_shutdown(self):
pass
def build_config(self):
pass
def create_stepper(self, step_pin, dir_pin, min_stop_interval, max_error):