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# Load Cell Implementation
#
# Copyright (C) 2024 Gareth Farrington <gareth@waves.ky>
#
# This file may be distributed under the terms of the GNU GPLv3 license.
from . import hx71x
# Printer class that controls a load cell
class LoadCell:
def __init__(self, config, sensor):
self.printer = printer = config.get_printer()
self.sensor = sensor # must implement BulkAdcSensor
# startup, when klippy is ready, start capturing data
printer.register_event_handler("klippy:ready", self._handle_ready)
def _handle_ready(self):
self.sensor.add_client(self._on_sample)
def _on_sample(self, msg):
return True
def get_sensor(self):
return self.sensor
def get_status(self, eventtime):
return {}
def load_config(config):
# Sensor types
sensors = {}
sensors.update(hx71x.HX71X_SENSOR_TYPES)
sensor_class = config.getchoice('sensor_type', sensors)
return LoadCell(config, sensor_class(config))
def load_config_prefix(config):
return load_config(config)
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