def connect(self):
# Open the interface to the NSP #
try:
result, connect_info = cbpy.open(instance=self.instance,
connection='default',
parameter=self.con_params)
self.is_connected = (result == 0 or result == 1)
print("cbpy.open returned result: {}; connect_info: {}".format(
result, connect_info))
self.cbsdk_config = {
'buffer_parameter': {
'absolute': True
}
} # TODO: Does this need to be updated?
except RuntimeError as e:
result = int(str(e).split(",")[0])
self.is_connected = False
print(e)
return result
def connect(self):
'''Open the interface to the NSP (or nPlay).'''
print 'calling cbpy.open in cerelink.connect()'
# try:
# result, return_dict = cbpy.open(connection='default')
# time.sleep(3)
# except:
result, return_dict = cbpy.open(connection='default', parameter=self.parameters)
time.sleep(3)
print 'cbpy.open result:', result
print 'cbpy.open return_dict:', return_dict
if return_dict['connection'] != 'Master':
raise Exception
print ''
# return_dict = cbpy.open('default', self.parameters) # old cbpy
self._init = True
# Make sure the CereLink project folder is not on the path,
# otherwise it will attempt to import cerebus from there, instead of the installed python package.
from cerebus import cbpy
MONITOR_CHAN = 2 # 1-based
AOUT_CHAN = 277
res, con_info = cbpy.open(parameter=cbpy.defaultConParams())
# Reset all analog output channels to not monitor anything
for chan_ix in range(273, 278):
res = cbpy.analog_out(chan_ix, None, track_last=False)
# Set one analog output chan (277 = audio1) to monitor a single channel.
res = cbpy.analog_out(AOUT_CHAN, MONITOR_CHAN, track_last=False)
print(res)
from cerebus import cbpy
import pylsl
import time
STREAM_NAME = 'BlackrockTimestamps'
TYPE = 'sync'
CHANNEL_NAMES = ['Timestamps']
SYNC_RATE = 5 # Hz
CHAN_FORMAT = pylsl.cf_int32
SOURCE_ID = 'CEREBUS000'
print("Connecting to Blackrock device...")
conn_params = cbpy.defaultConParams()
cbpy.open(parameter=conn_params)
print("Creating LSL Outlet")
outlet_info = pylsl.StreamInfo(name=STREAM_NAME, type=TYPE, channel_count=len(CHANNEL_NAMES),
nominal_srate=pylsl.IRREGULAR_RATE, channel_format=CHAN_FORMAT, source_id=SOURCE_ID)
outlet_info.desc().append_child_value("manufacturer", "Blackrock")
channels = outlet_info.desc().append_child("channels")
for c in CHANNEL_NAMES:
channels.append_child("channel").append_child_value("label", c)
outlet = pylsl.StreamOutlet(outlet_info)
print("Sending timestamps...")
try:
start_time = pylsl.local_clock()
n_samples = 0
target_isi = 1 / SYNC_RATE
while True:
def _initialize(self):
result, return_dict = cbpy.open(connection='default',
parameter=cbpy.defaultConParams())
err_msg = "Connection to NSP/Central not established successfully."
self._check_result(result, ConnectionError, err_msg)
self.connection_params = return_dict
nPlay_chan_offset = 0
parameters = dict()
parameters['inst-addr'] = '192.168.137.128'
parameters['inst-port'] = 51001
parameters['client-port'] = 51002
if sys.platform == 'darwin': # OS X
print 'Using OS X settings for cbpy'
parameters['client-addr'] = '255.255.255.255'
else: # linux
print 'Using linux settings for cbpy'
parameters['client-addr'] = '192.168.137.255'
parameters['receive-buffer-size'] = 8388608
result, return_dict = cbpy.open(connection='default', parameter=parameters)
print 'result:', result
print 'connection:', return_dict['connection']
print 'instrument:', return_dict['instrument']
print ''
buffer_parameter = {'absolute': True}
result, reset = cbpy.trial_config(buffer_parameter=buffer_parameter)
print 'result:', result
print 'reset:', reset
print ''
n_secs = 20
loop_time = 0.1
n_itrs = int(n_secs / loop_time)
from cerebus import cbpy
parameters = dict()
parameters['inst-addr'] = '192.168.137.128'
parameters['inst-port'] = 51001
parameters['client-port'] = 51002
if sys.platform == 'darwin': # OS X
print 'Using OS X settings for cbpy'
parameters['client-addr'] = '255.255.255.255'
else: # linux
print 'Using linux settings for cbpy'
parameters['client-addr'] = '192.168.137.255'
parameters['receive-buffer-size'] = 8388608
result, return_dict = cbpy.open(connection='default', parameter=parameters)
print 'result:', result
print 'connection:', return_dict['connection']
print 'instrument:', return_dict['instrument']
print ''
buffer_parameter = {'absolute': True}
result, reset = cbpy.trial_config(buffer_parameter=buffer_parameter)
print 'result:', result
print 'reset:', reset
print ''
n_secs = 5
loop_time = 0.1
n_itrs = int(n_secs / loop_time)
