WindsonicSensor

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

Bases: BaseSensor

GILL Windsonic 2-D Sonic Anemometer Sensor.

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

Parameters:

loglogger

The logger for which to create a child logger.

Attributes Summary

charset
default_direction_str
default_speed_str
delimiter
end_character
good_status
start_character
telemetry_pattern
terminator
unit_identifier
windspeed_unit

Methods Summary

extract_telemetry(line)

Extract the wind telemetry from a line of Sensor data.

Attributes Documentation

charset = 'ASCII'

default_direction_str: str = '999'

default_speed_str: str = '9999.9990'

delimiter = ','

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$')

terminator = '\r\n'

unit_identifier: str = 'Q'

windspeed_unit: str = 'M'

Methods Documentation

async extract_telemetry(line: str) → list[float | int | str]

Extract the wind telemetry from a line of Sensor data.

Parameters:

linestr

A line of comma separated telemetry as described in the doc string of this class.

Returns:

list

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