def main(args):
# ------------------------------------------------------------------------
# Initialise the Chirp SDK.
# ------------------------------------------------------------------------
sdk = ChirpSDK()
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 Chirp SDK.
# ------------------------------------------------------------------------
sdk = ChirpSDK()
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_SDK_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()