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43 lines
1.6 KiB
Python
43 lines
1.6 KiB
Python
#
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# Copyright 2017 Ettus Research, A National Instruments Company
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#
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# SPDX-License-Identifier: GPL-3.0-or-later
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"""
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sysfs thermal sensors API
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"""
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import pyudev
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def read_thermal_sensors_value(sensor_type, data_probe):
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"""
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This function will return a list of all the float value of
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the thermal sensor subsystem = 'thermal' and type = sensor_type
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Arguments:
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sensor_type -- Is attribute "type" of udev. This can be fpga-thermal-zone,
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magnesium-db0-zone, croc-ec-thermal etc.
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data_probe -- is one of the attribute of that sensor. This can be 'temp' in
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the case of thermal-zone or 'cur_state' in the case of a
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cooling device.
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"""
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reading_sensors = [x.attributes.asint(data_probe) for x in pyudev.Context()
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.list_devices(subsystem='thermal')
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.match_attribute('type', sensor_type)]
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return reading_sensors
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def read_thermal_sensor_value(sensor_type, data_probe):
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"""
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This function will return the float value of the thermal sensor
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which is under thermal subsystem.
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Arguments:
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sensor_type -- Is attribute "type" of udev. This can be fpga-thermal-zone,
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magnesium-db0-zone, etc.
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data_probe -- is one of the attribute of that sensor. This can be 'temp' in
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the case of thermal-zone or 'cur_state' in the case of a
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cooling device.
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"""
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sensor_val = read_thermal_sensors_value(sensor_type, data_probe)
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if not sensor_val:
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raise IndexError("No {} attribute found for {} sensor.".format(data_probe, sensor_type))
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return sensor_val[0]
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