From c0095812ff18687ed25ce0f1ed468ebed8f81cfe Mon Sep 17 00:00:00 2001 From: Gareth Farrington Date: Sun, 2 Jun 2024 22:31:28 -0700 Subject: hx71x: Load Cell Skeleton and HX71x bulk ADC * Create the load_cell host module skeleton to create the sensors and start taking samples. * Add support for the HX717 and HX711 ADC sensors. Signed-off-by: Gareth Farrington --- klippy/extras/load_cell.py | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 klippy/extras/load_cell.py (limited to 'klippy/extras/load_cell.py') diff --git a/klippy/extras/load_cell.py b/klippy/extras/load_cell.py new file mode 100644 index 00000000..7210f230 --- /dev/null +++ b/klippy/extras/load_cell.py @@ -0,0 +1,36 @@ +# Load Cell Implementation +# +# Copyright (C) 2024 Gareth Farrington +# +# 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) -- cgit v1.2.3-70-g09d2