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mcu: Add a get_status() callback with micro-controller info and stats 

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2021-01-19 23:12:41 -05:00
parent e74d5d57b2
commit 8a6619d18e
2 changed files with 26 additions and 6 deletions
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10
docs/Command_Templates.md
View File

@ -288,6 +288,16 @@ The following are common printer attributes:
- `printer.hall_filament_width_sensor.Diameter`,
`printer.hall_filament_width_sensor.Raw`: The last read values from
the sensor.
- `printer.mcu.mcu_version`: The Klipper code version reported by the
micro-controller.
- `printer.mcu.mcu_build_versions`: Information on the build tools
used to generate the micro-controller code (as reported by the
micro-controller).
- `printer.mcu.mcu_constants.<constant_name>`: Compile time constants
reported by the micro-controller. The available constants may differ
between micro-controller architectures and with each code revision.
- `printer.mcu.last_stats.<statistics_name>`: Statistics information
on the micro-controller connection.
The above list is subject to change - if using an attribute be sure to
review the [Config Changes document](Config_Changes.md) when upgrading

22
klippy/mcu.py
View File

@ -447,6 +447,7 @@ class MCU:
self._stepqueues = []
self._steppersync = None
# Stats
self._get_status_info = {}
self._stats_sumsq_base = 0.
self._mcu_tick_avg = 0.
self._mcu_tick_stddev = 0.
@ -630,9 +631,13 @@ class MCU:
self._reset_cmd = self.try_lookup_command("reset")
self._config_reset_cmd = self.try_lookup_command("config_reset")
ext_only = self._reset_cmd is None and self._config_reset_cmd is None
mbaud = self._serial.get_msgparser().get_constant('SERIAL_BAUD', None)
msgparser = self._serial.get_msgparser()
mbaud = msgparser.get_constant('SERIAL_BAUD', None)
if self._restart_method is None and mbaud is None and not ext_only:
self._restart_method = 'command'
self._get_status_info['mcu_version'] = msgparser.version
self._get_status_info['mcu_build_versions'] = msgparser.build_versions
self._get_status_info['mcu_constants'] = msgparser.get_constants()
self.register_response(self._handle_shutdown, 'shutdown')
self.register_response(self._handle_shutdown, 'is_shutdown')
self.register_response(self._handle_mcu_stats, 'stats')
@ -782,12 +787,17 @@ class MCU:
self._name, eventtime)
self._printer.invoke_shutdown("Lost communication with MCU '%s'" % (
self._name,))
def get_status(self, eventtime):
return dict(self._get_status_info)
def stats(self, eventtime):
msg = "%s: mcu_awake=%.03f mcu_task_avg=%.06f mcu_task_stddev=%.06f" % (
self._name, self._mcu_tick_awake, self._mcu_tick_avg,
self._mcu_tick_stddev)
return False, ' '.join([msg, self._serial.stats(eventtime),
self._clocksync.stats(eventtime)])
load = "mcu_awake=%.03f mcu_task_avg=%.06f mcu_task_stddev=%.06f" % (
self._mcu_tick_awake, self._mcu_tick_avg, self._mcu_tick_stddev)
stats = ' '.join([load, self._serial.stats(eventtime),
self._clocksync.stats(eventtime)])
parts = [s.split('=', 1) for s in stats.split()]
last_stats = {k:(float(v) if '.' in v else int(v)) for k, v in parts}
self._get_status_info['last_stats'] = last_stats
return False, '%s: %s' % (self._name, stats)
Common_MCU_errors = {
("Timer too close", "No next step", "Missed scheduling of next "): """