lasp/scripts/lasp_record

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#!/usr/bin/python3.8
import sys, logging, os, argparse
parser = argparse.ArgumentParser(
description='Acquire data and store to a measurement file.'
)
parser.add_argument('filename', type=str,
help='File name to record to.'
' Extension is automatically added.')
parser.add_argument('--duration', '-d', type=float,
help='The recording duration in [s]')
device_help = 'DAQ Device to record from'
parser.add_argument('--input-daq', '-i', help=device_help, type=str,
default='Default')
parser.add_argument('--log', '-l',
help='Specify log level [info, debug, warning, ...]',
type=str, default='info')
args = parser.parse_args()
numeric_level = getattr(logging, args.log.upper(), None)
if not isinstance(numeric_level, int):
raise ValueError('Invalid log level: %s' % args.loglevel)
FORMAT = "[%(filename)s:%(lineno)s - %(funcName)20s() ] %(message)s"
logging.basicConfig(format=FORMAT, level=numeric_level)
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import multiprocessing
from lasp.device import DaqConfigurations
from lasp import AvType, StreamManager, Recording# configureLogging
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def main(args):
try:
streammgr = StreamManager()
configs = DaqConfigurations.loadAllConfigs()
config_keys = [key for key in configs.keys()]
for i, key in enumerate(config_keys):
print(f'{i:2} : {key}')
choosen_index = input('Number of configuration to use: ')
try:
daqindex = int(choosen_index)
except:
print('Invalid configuration number. Exiting.')
sys.exit(0)
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choosen_key = config_keys[daqindex]
config = configs[choosen_key].input_config
print(f'Choosen configuration: {choosen_key}')
streammgr.startStream(AvType.audio_input, config, wait=True)
rec = Recording(args.filename, streammgr, args.duration)
streammgr.stopStream(AvType.audio_output)
finally:
try:
streammgr.cleanup()
del stream
except NameError:
pass
if __name__ == '__main__':
multiprocessing.set_start_method('forkserver', force=True)
main(args)