def main(args):
# Initialise the Chirp Connect SDK
sdk = ChirpConnect(args.app_key, args.app_secret, args.app_licence)
print(str(sdk))
# Disable audio playback
sdk.audio = None
sdk.start(send=True, receive=False)
# Encode an ASCII string as a payload
if args.ascii:
message = args.ascii.encode('ascii')
payload = sdk.new_payload(message)
elif args.hex:
message = bytearray.fromhex(args.hex)
payload = sdk.new_payload(message)
else:
payload = sdk.random_payload()
# Process output
output = []
output_file = args.output_file if args.output_file else '%s.wav' % payload
sdk.send(payload)
while sdk.state == CHIRP_CONNECT_STATE_SENDING:
data = [0.0] * CHIRP_CONNECT_BUFFER_SIZE
sdk.process_output(data)
output.extend(data)
sf.write(output_file, output, sdk.sample_rate)
print('Wrote audio to output: %s' % output_file)
sdk.stop()
sdk.close()
def main(args):
# Initialise the Chirp Connect SDK
sdk = ChirpConnect(args.app_key, args.app_secret, args.app_licence)
print(str(sdk))
# Disable audio playback
sdk.audio = None
sdk.set_callbacks(Callbacks(args.ascii))
sdk.start(send=False, receive=True)
data, samplerate = sf.read(args.input_file, dtype='float32')
for f in range(0, len(data), CHIRP_CONNECT_BUFFER_SIZE):
sdk.process_input(list(data[f:f + CHIRP_CONNECT_BUFFER_SIZE]))
# C SDK currently doesn't flush after the final frame
sdk.process_input([0.0] * CHIRP_CONNECT_BUFFER_SIZE)
sdk.stop()
sdk.close()