lasp/scripts/lasp_record

#!/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)

import multiprocessing
from lasp import StreamMgr, Recording, DaqConfiguration

def main(args):
    try:
        streammgr = StreamMgr.getInstance()
        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)

        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)