def _manage_params(self):
super(PyAmplifierOpenBCI_V3, self)._manage_params()
active_channels = map(int,
self.get_param('active_channels').split(';'))
channel_names = self.get_param('channel_names').split(';')
if len(channel_names) > MAX_CHANNELS or len(
active_channels) > MAX_CHANNELS:
self.logger.error("To many channels specified. ABORTING...")
sys.exit(1)
if len(channel_names) != len(active_channels):
self.logger.error(
"Number of active channels is not equal to the number of channel names!!! ABORTING..."
)
sys.exit(1)
self.collected_samples = []
if self.samples_per_packet <= 0:
self.logger.error(
"'samples_per_packet' parameter must be > 0. ABORTING...")
sys.exit(1)
self.sampling_rate = int(float(self.get_param('sampling_rate')))
if self.sampling_rate != 250:
self.logger.error(
"'sampling_rate' parameter must be set to 250. ABORTING...")
sys.exit(1)
if int(self.get_param("amplifier_online")) == 1:
self.logger.info("Initializing OpenBCI.com V3 board...")
dummy = False
elif int(self.get_param("amplifier_online")) == 0:
self.logger.info("Initializing OpenBCI.com V3 (DUMMY) board...")
dummy = True
else:
self.logger.error(
"'amplifier_online' parameter must be 0 or 1. ABORTING...")
sys.exit(1)
try:
self.board = OpenBCIBoard()
except Exception as error:
self.logger.error("{} ABORTING...".format(error))
sys.exit(1)
channels_info = self.board.get_channels_info(active_channels)
self.set_param('channel_gains',
';'.join([str(ch["gain"]) for ch in channels_info]))
self.set_param('channel_offsets',
';'.join([str(ch["offset"]) for ch in channels_info]))
self.set_param('sampling_rates', self.board.get_sampling_rates())
self.set_param("channels_info", channels_info)
port = self.get_param('usb_device')
xxx = self.board.set_params(active_channels=active_channels,
sampling_frequency=self.sampling_rate,
port=port,
dummy=dummy)
if int(self.get_param("amplifier_online")) == 1:
self.logger.info("Connected to OpenBCI.com V3 board...")
elif int(self.get_param("amplifier_online")) == 0:
self.logger.info("Connected to OpenBCI.com V3 (DUMMY) board...")
def _manage_params(self):
super(PyAmplifierOpenBCI_V3, self)._manage_params()
active_channels = map(int, self.get_param('active_channels').split(';'))
channel_names = self.get_param('channel_names').split(';')
if len(channel_names) > MAX_CHANNELS or len(active_channels) > MAX_CHANNELS:
self.logger.error("To many channels specified. ABORTING...")
sys.exit(1)
if len(channel_names) != len(active_channels):
self.logger.error("Number of active channels is not equal to the number of channel names!!! ABORTING...")
sys.exit(1)
self.collected_samples = []
if self.samples_per_packet <= 0:
self.logger.error("'samples_per_packet' parameter must be > 0. ABORTING...")
sys.exit(1)
self.sampling_rate = int(float(self.get_param('sampling_rate')))
if self.sampling_rate != 250:
self.logger.error("'sampling_rate' parameter must be set to 250. ABORTING...")
sys.exit(1)
if int(self.get_param("amplifier_online")) == 1:
self.logger.info("Initializing OpenBCI.com V3 board...")
dummy = False
elif int(self.get_param("amplifier_online")) == 0:
self.logger.info("Initializing OpenBCI.com V3 (DUMMY) board...")
dummy = True
else:
self.logger.error("'amplifier_online' parameter must be 0 or 1. ABORTING...")
sys.exit(1)
try:
self.board = OpenBCIBoard()
except Exception as error:
self.logger.error("{} ABORTING...".format(error))
sys.exit(1)
channels_info = self.board.get_channels_info(active_channels)
self.set_param('channel_gains', ';'.join([str(ch["gain"]) for ch in channels_info]))
self.set_param('channel_offsets', ';'.join([str(ch["offset"]) for ch in channels_info]))
self.set_param('sampling_rates', self.board.get_sampling_rates())
self.set_param("channels_info", channels_info)
port = self.get_param('usb_device')
xxx = self.board.set_params(active_channels=active_channels,
sampling_frequency=self.sampling_rate,
port=port,
dummy=dummy)
if int(self.get_param("amplifier_online")) == 1:
self.logger.info("Connected to OpenBCI.com V3 board...")
elif int(self.get_param("amplifier_online")) == 0:
self.logger.info("Connected to OpenBCI.com V3 (DUMMY) board...")
class PyAmplifierOpenBCI_V3(py_amplifier.PyAmplifier):
@log_crash
def __init__(self, addresses):
super(PyAmplifierOpenBCI_V3, self).__init__(addresses=addresses,
peer_type=peers.AMPLIFIER)
def _init(self):
self._manage_params()
self.ready()
self.board.start(self._samples_callback)
def _manage_params(self):
super(PyAmplifierOpenBCI_V3, self)._manage_params()
active_channels = map(int,
self.get_param('active_channels').split(';'))
channel_names = self.get_param('channel_names').split(';')
if len(channel_names) > MAX_CHANNELS or len(
active_channels) > MAX_CHANNELS:
self.logger.error("To many channels specified. ABORTING...")
sys.exit(1)
if len(channel_names) != len(active_channels):
self.logger.error(
"Number of active channels is not equal to the number of channel names!!! ABORTING..."
)
sys.exit(1)
self.collected_samples = []
if self.samples_per_packet <= 0:
self.logger.error(
"'samples_per_packet' parameter must be > 0. ABORTING...")
sys.exit(1)
self.sampling_rate = int(float(self.get_param('sampling_rate')))
if self.sampling_rate != 250:
self.logger.error(
"'sampling_rate' parameter must be set to 250. ABORTING...")
sys.exit(1)
if int(self.get_param("amplifier_online")) == 1:
self.logger.info("Initializing OpenBCI.com V3 board...")
dummy = False
elif int(self.get_param("amplifier_online")) == 0:
self.logger.info("Initializing OpenBCI.com V3 (DUMMY) board...")
dummy = True
else:
self.logger.error(
"'amplifier_online' parameter must be 0 or 1. ABORTING...")
sys.exit(1)
try:
self.board = OpenBCIBoard()
except Exception as error:
self.logger.error("{} ABORTING...".format(error))
sys.exit(1)
channels_info = self.board.get_channels_info(active_channels)
self.set_param('channel_gains',
';'.join([str(ch["gain"]) for ch in channels_info]))
self.set_param('channel_offsets',
';'.join([str(ch["offset"]) for ch in channels_info]))
self.set_param('sampling_rates', self.board.get_sampling_rates())
self.set_param("channels_info", channels_info)
port = self.get_param('usb_device')
xxx = self.board.set_params(active_channels=active_channels,
sampling_frequency=self.sampling_rate,
port=port,
dummy=dummy)
if int(self.get_param("amplifier_online")) == 1:
self.logger.info("Connected to OpenBCI.com V3 board...")
elif int(self.get_param("amplifier_online")) == 0:
self.logger.info("Connected to OpenBCI.com V3 (DUMMY) board...")
def _samples_callback(self, params):
self.collected_samples.append((params[0], params[1]))
if len(self.collected_samples) == self.samples_per_packet:
v = variables_pb2.SampleVector()
for ts, sample in self.collected_samples:
s = v.samples.add()
s.channels.extend(sample)
s.timestamp = ts
self.collected_samples = []
self._send(self._create_mx_msg(v))
class PyAmplifierOpenBCI_V3(py_amplifier.PyAmplifier):
@log_crash
def __init__(self, addresses):
super(PyAmplifierOpenBCI_V3, self).__init__(addresses=addresses,
peer_type=peers.AMPLIFIER)
def _init(self):
self._manage_params()
self.ready()
self.board.start(self._samples_callback)
def _manage_params(self):
super(PyAmplifierOpenBCI_V3, self)._manage_params()
active_channels = map(int, self.get_param('active_channels').split(';'))
channel_names = self.get_param('channel_names').split(';')
if len(channel_names) > MAX_CHANNELS or len(active_channels) > MAX_CHANNELS:
self.logger.error("To many channels specified. ABORTING...")
sys.exit(1)
if len(channel_names) != len(active_channels):
self.logger.error("Number of active channels is not equal to the number of channel names!!! ABORTING...")
sys.exit(1)
self.collected_samples = []
if self.samples_per_packet <= 0:
self.logger.error("'samples_per_packet' parameter must be > 0. ABORTING...")
sys.exit(1)
self.sampling_rate = int(float(self.get_param('sampling_rate')))
if self.sampling_rate != 250:
self.logger.error("'sampling_rate' parameter must be set to 250. ABORTING...")
sys.exit(1)
if int(self.get_param("amplifier_online")) == 1:
self.logger.info("Initializing OpenBCI.com V3 board...")
dummy = False
elif int(self.get_param("amplifier_online")) == 0:
self.logger.info("Initializing OpenBCI.com V3 (DUMMY) board...")
dummy = True
else:
self.logger.error("'amplifier_online' parameter must be 0 or 1. ABORTING...")
sys.exit(1)
try:
self.board = OpenBCIBoard()
except Exception as error:
self.logger.error("{} ABORTING...".format(error))
sys.exit(1)
channels_info = self.board.get_channels_info(active_channels)
self.set_param('channel_gains', ';'.join([str(ch["gain"]) for ch in channels_info]))
self.set_param('channel_offsets', ';'.join([str(ch["offset"]) for ch in channels_info]))
self.set_param('sampling_rates', self.board.get_sampling_rates())
self.set_param("channels_info", channels_info)
port = self.get_param('usb_device')
xxx = self.board.set_params(active_channels=active_channels,
sampling_frequency=self.sampling_rate,
port=port,
dummy=dummy)
if int(self.get_param("amplifier_online")) == 1:
self.logger.info("Connected to OpenBCI.com V3 board...")
elif int(self.get_param("amplifier_online")) == 0:
self.logger.info("Connected to OpenBCI.com V3 (DUMMY) board...")
def _samples_callback(self, params):
self.collected_samples.append((params[0], params[1]))
if len(self.collected_samples) == self.samples_per_packet:
v = variables_pb2.SampleVector()
for ts, sample in self.collected_samples:
s = v.samples.add()
s.channels.extend(sample)
s.timestamp = ts
self.collected_samples = []
self._send(self._create_mx_msg(v))
