def __init__(self, lpttype='USB2LPT', portaddr=None, verbose=True):
self.evefile = None
self.lpttype = lpttype
self.verbose = verbose
if self.lpttype in ['USB2LPT', 'DESKTOP']:
if self.lpttype == 'USB2LPT':
if ctypes.sizeof(ctypes.c_voidp) == 4:
dllname = 'LptControl_USB2LPT32.dll' # 32 bit
else:
dllname = 'LptControl_USB2LPT64.dll' # 64 bit
if portaddr not in [0x278, 0x378]:
self.print('Warning: LPT port address %d is unusual.' %
portaddr)
elif self.lpttype == 'DESKTOP':
if ctypes.sizeof(ctypes.c_voidp) == 4:
dllname = 'LptControl_Desktop32.dll' # 32 bit
else:
dllname = 'LptControl_Desktop64.dll' # 64 bit
if portaddr not in [0x278, 0x378]:
self.print('Warning: LPT port address %d is unusual.' %
portaddr)
self.portaddr = portaddr
search = []
search.append(os.path.dirname(__file__) + '/' + dllname)
search.append(os.path.dirname(__file__) + '/libs/' + dllname)
search.append(os.getcwd() + '/' + dllname)
search.append(os.getcwd() + '/libs/' + dllname)
for f in search:
if os.path.exists(f):
dllpath = f
break
else:
self.print('ERROR: Cannot find the required library %s' %
dllname)
raise RuntimeError
self.print('Loading %s' % dllpath)
self.lpt = ctypes.cdll.LoadLibrary(dllpath)
elif self.lpttype == 'ARDUINO':
import serial, serial.tools.list_ports
BAUD_RATE = 115200
# portaddr should be None or in the form of 'COM1', 'COM2', etc.
if portaddr is None:
arduinos = [x for x in serial.tools.list_ports.grep('Arduino')]
if len(arduinos) == 0:
print('No Arduino found. Stop.')
sys.exit()
for i, a in enumerate(arduinos):
print('Found', a[0])
try:
com_port = arduinos[0].device
except AttributeError: # depends on Python distribution
com_port = arduinos[0][0]
else:
com_port = portaddr
self.ser = serial.Serial(com_port, BAUD_RATE)
time.sleep(1) # doesn't work without this delay. why?
print('Connected to %s.' % com_port)
elif self.lpttype == 'SOFTWARE':
from pycnbi.stream_receiver.stream_receiver import StreamReceiver
self.print('Using software trigger')
# get data file location
LSL_SERVER = 'StreamRecorderInfo'
inlet = cnbi_lsl.start_client(LSL_SERVER)
fname = inlet.info().source_id()
if fname[-4:] != '.pcl':
self.print('ERROR: Received wrong record file name format %s' %
fname)
sys.exit(-1)
evefile = fname[:-8] + '-eve.txt'
eveoffset_file = fname[:-8] + '-eve-offset.txt'
self.print('Event file is: %s' % evefile)
self.evefile = open(evefile, 'a')
# check server LSL time server integrity
self.print(
"Checking LSL server's timestamp integrity for logging software triggers."
)
amp_name, amp_serial = pu.search_lsl()
sr = StreamReceiver(window_size=1,
buffer_size=1,
amp_serial=amp_serial,
eeg_only=False,
amp_name=amp_name)
local_time = pylsl.local_clock()
server_time = sr.get_window_list()[1][-1]
lsl_time_offset = local_time - server_time
with open(eveoffset_file, 'a') as f:
f.write('Local time: %.6f, Server time: %.6f, Offset: %.6f\n' %
(local_time, server_time, lsl_time_offset))
self.print('LSL timestamp offset (%.3f) saved to %s' %
(lsl_time_offset, eveoffset_file))
elif self.lpttype == 'FAKE' or self.lpttype is None or self.lpttype is False:
self.print('WARNING: Using a fake trigger.')
self.lpttype = 'FAKE'
self.lpt = None
else:
self.print('ERROR: Unknown LPT port type %s' % lpttype)
sys.exit(-1)
def __init__(self, lpttype='USB2LPT', portaddr=None, verbose=False):
self.evefile = None
self.lpttype = lpttype
self.verbose = verbose
if self.lpttype in ['USB2LPT', 'DESKTOP']:
if self.lpttype == 'USB2LPT':
if ctypes.sizeof(ctypes.c_voidp) == 4:
dllname = 'LptControl_USB2LPT32.dll' # 32 bit
else:
dllname = 'LptControl_USB2LPT64.dll' # 64 bit
if portaddr not in [0x278, 0x378]:
self.print('Warning: LPT port address %d is unusual.' %
portaddr)
elif self.lpttype == 'DESKTOP':
if ctypes.sizeof(ctypes.c_voidp) == 4:
dllname = 'LptControl_Desktop32.dll' # 32 bit
else:
dllname = 'LptControl_Desktop64.dll' # 64 bit
if portaddr not in [0x278, 0x378]:
self.print('Warning: LPT port address %d is unusual.' %
portaddr)
self.portaddr = portaddr
search = []
search.append(os.path.dirname(__file__) + '/' + dllname)
search.append(os.path.dirname(__file__) + '/libs/' + dllname)
search.append(os.getcwd() + '/' + dllname)
search.append(os.getcwd() + '/libs/' + dllname)
for f in search:
if os.path.exists(f):
dllpath = f
break
else:
self.print('ERROR: Cannot find the required library %s' %
dllname)
raise RuntimeError
self.print('Loading %s' % dllpath)
self.lpt = ctypes.cdll.LoadLibrary(dllpath)
elif self.lpttype == 'ARDUINO':
import serial, serial.tools.list_ports
BAUD_RATE = 115200
# portaddr should be None or in the form of 'COM1', 'COM2', etc.
if portaddr is None:
arduinos = [x for x in serial.tools.list_ports.grep('Arduino')]
if len(arduinos) == 0:
print('No Arduino found. Stop.')
sys.exit()
for i, a in enumerate(arduinos):
print('Found %s' % a)
com_port = arduinos[0].device
else:
com_port = portaddr
self.ser = serial.Serial(com_port, BAUD_RATE)
time.sleep(1) # doesn't work without this delay. why?
print('Connected to %s.' % com_port)
if com_port[:3] != 'COM':
self.print('Warning: COM port %d is unusual.' % portaddr)
elif self.lpttype == 'SOFTWARE':
self.print('Using software trigger')
# get data file location
LSL_SERVER = 'StreamRecorderInfo'
inlet = cnbi_lsl.start_client(LSL_SERVER)
fname = inlet.info().source_id()
if fname[-4:] != '.pcl':
self.print('ERROR: Received wrong record file name format %s' %
fname)
sys.exit(-1)
evefile = fname[:-8] + '-eve.txt'
self.print('Event file is: %s' % evefile)
self.evefile = open(evefile, 'a') # unbuffered writing
elif self.lpttype == 'FAKE' or self.lpttype is None or self.lpttype is False:
self.print('WARNING: Using a fake trigger.')
self.lpttype = 'FAKE'
self.lpt = None
else:
self.print('ERROR: Unknown LPT port type %s' % lpttype)
sys.exit(-1)
from __future__ import print_function, division
import pycnbi
import pycnbi.utils.cnbi_lsl as cnbi_lsl
import time
LSL_SERVER = 'RexController'
print('Connecting to %s server' % LSL_SERVER)
inlet = cnbi_lsl.start_client(LSL_SERVER)
while True:
# pull_chunk
if 0:
data, ts = inlet.pull_chunk()
if len(data) > 0:
print('Recevied data', data)
else:
print('.', end='')
time.sleep(0.1)
# pull_sample
if 1:
data, ts = inlet.pull_sample()
print('Recevied data type', type(data), 'value', data)