WindsonicSensor

class lsst.ts.ess.common.sensor.WindsonicSensor(log, num_channels=0)

Bases: BaseSensor

GILL Windsonic 2-D Sonic Anemometer Sensor.

Perform protocol conversion for a Gill Windsonic 2-D Sonic Anemometer.

Parameters:

• log (logger) – The logger for which to create a child logger.

• num_channels (int, default: 0)

Attributes Summary

default_direction_str
default_speed_str
end_character
good_status
start_character
telemetry_pattern
unit_identifier
windspeed_unit

Methods Summary

extract_telemetry(line)

Extract the wind telemetry from a line of Sensor data.

Attributes Documentation

default_direction_str: str = '999'

default_speed_str: str = '9999.9990'

end_character = '\x03'

good_status: str = '00'

start_character: str = '\x02'

telemetry_pattern = re.compile('^\x02Q,(?P<direction>\\d{3})?,(?P<speed>\\d{3}\\.\\d{2}),M,(?P<status>\\d{2}),\x03(?P<checksum>[\\da-fA-F]{2})\r\n$')

unit_identifier: str = 'Q'

windspeed_unit: str = 'M'

Methods Documentation

async extract_telemetry(line)

Extract the wind telemetry from a line of Sensor data.

Parameters:

line (str) – A line of comma separated telemetry as described in the doc string of this class.

Returns:

A list of 2 floats containing the telemetry as measured by the sensor: the wind speed and direction.

Return type:

list