Beispiel #1
0
def main(args):
    # ------------------------------------------------------------------------
    # Initialise the Connect SDK.
    # ------------------------------------------------------------------------
    sdk = ChirpConnect()
    print(str(sdk))
    if args.network_config:
        sdk.set_config_from_network()

    print('Protocol: {protocol} [v{version}]'.format(
        protocol=sdk.protocol_name,
        version=sdk.protocol_version))

    # ------------------------------------------------------------------------
    # Disable audio playback.
    # ------------------------------------------------------------------------
    sdk.audio = None
    sdk.set_callbacks(Callbacks(args))
    sdk.start(send=False, receive=True)

    w = wave.open(args.infile, 'r')
    data = w.readframes(w.getnframes())
    sdk.input_sample_rate = w.getframerate()

    for f in range(0, len(data), CHIRP_SDK_BUFFER_SIZE):
        if w.getsampwidth() == 2:
            sdk.process_shorts_input(data[f: f + CHIRP_SDK_BUFFER_SIZE])
        elif w.getsampwidth() == 4:
            sdk.process_input(data[f: f + CHIRP_SDK_BUFFER_SIZE])

    sdk.stop()
def main(args):
    # ------------------------------------------------------------------------
    # Initialise the Connect SDK.
    # ------------------------------------------------------------------------
    sdk = ChirpConnect()
    print(str(sdk))
    if args.network_config:
        sdk.set_config_from_network()

    print('Protocol: {protocol} [v{version}]'.format(
        protocol=sdk.protocol_name, version=sdk.protocol_version))

    # ------------------------------------------------------------------------
    # Disable audio playback.
    # ------------------------------------------------------------------------
    sdk.audio = None
    sdk.start(send=True, receive=False)

    # ------------------------------------------------------------------------
    # Encode payload
    # ------------------------------------------------------------------------
    if args.unicode:
        message = args.unicode.encode('utf-8')
        payload = sdk.new_payload(message)
    elif args.hex:
        message = bytearray.fromhex(args.hex)
        payload = sdk.new_payload(message)
    else:
        payload = sdk.random_payload()

    # ------------------------------------------------------------------------
    # Set transmission channel
    # ------------------------------------------------------------------------
    if args.channel:
        if args.channel >= sdk.channel_count:
            raise ValueError('Channel %d is not available' % args.channel)
        sdk.transmission_channel = args.channel

    # ------------------------------------------------------------------------
    # Process output
    # ------------------------------------------------------------------------
    output_file = args.outfile if args.outfile else '%s.wav' % payload
    w = wave.open(output_file, 'w')
    w.setnchannels(1)
    w.setsampwidth(2)
    w.setframerate(sdk.output_sample_rate)

    sdk.send(payload)

    while sdk.state == CHIRP_CONNECT_STATE_SENDING:
        data = ar.array('h', [0] * CHIRP_SDK_BUFFER_SIZE)
        byte_data = bytearray(data.tobytes() if sys.version[0] ==
                              '3' else data.tostring())
        sdk.process_shorts_output(byte_data)
        w.writeframes(byte_data)

    print('Wrote audio to output: %s' % output_file)
    w.close()

    sdk.stop()