class OpenBCIThread(QtCore.QThread):
newPacket = QtCore.Signal(object)
def __init__(self, ttyPath = '/dev/ttyUSB0'):
super(OpenBCIThread, self).__init__()
self.board = OpenBCIBoard(ttyPath, scaled_output=False)
def handlePacket(self, sample):
self.newPacket.emit(sample.channel_data)
QtGui.QApplication.instance().processEvents()
def run(self):
try:
self.board.print_register_settings()
self.board.start_streaming(self.handlePacket)
# Important workaround for OSX: If the input is not kept on being read, the whole (input sub-)system freezes
except Exception as e:
print ("Exception", e)
while True:
self.board.ser.read()
for i in xrange(8):
result = classify_waveform(self.samples[i])
# write this over serial
for changather in self.samples:
del changather[:]
self.sample_counter = 0
aparser = ArgumentParser()
aparser.add_argument('dongle_device')
aparser.add_argument('underlying_arduino')
args = aparser.parse_args()
load_waveform_samples()
# make flexible
board = OpenBCIBoard(port=args.dongle_device)
arduino_slave = serial.Serial(args.underlying_arduino, 9600) #replace with serial rate for underlying arduino program
#board.print_register_settings()
for c in 'svcd':
board.ser.write(c)
time.sleep(0.100)
time.sleep(0.100)
atexit.register(board.disconnect)
# collect the data in a separate thread
# to prevent blocking
classifying_thread = FFTBCIThread()
classifying_thread.daemon = True
classifying_thread.start()
#signal.signal(signal.SIGINT, signal.SIG_DFL)
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
ttyPath = '/dev/ttyUSB0'
if len(sys.argv) > 1:
ttyPath = sys.argv[1]
last_packet = 0
def send_packet(packet):
global last_packet
expected = (last_packet + 1) % 256
if packet.id != expected:
print 'lost packet', expected
last_packet = packet.id
data = json.dumps(packet.channel_data)
sock.sendto(data.encode('utf-8'), ('localhost', 8888))
data = struct.pack('=f', packet.channel_data[0] * 0.022351744455307063)
sock.sendto(data, ('localhost', 9999))
board = OpenBCIBoard(ttyPath, scaled_output=False)
board.print_register_settings()
board.start_streaming(send_packet)
from open_bci_v3 import OpenBCIBoard
import sys, signal
import socket
import json
import struct
#app = QCoreApplication(sys.argv)
#signal.signal(signal.SIGINT, signal.SIG_DFL)
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
ttyPath = '/dev/ttyUSB0'
if len(sys.argv) > 1:
ttyPath = sys.argv[1]
def send_packet(packet):
data = json.dumps(packet.channel_data)
sock.sendto(data.encode('utf-8'), ('localhost', 8888))
data = struct.pack('=f', packet.channel_data[0] * 0.022351744455307063)
sock.sendto(data, ('localhost', 9999))
board = OpenBCIBoard(ttyPath, scaled_output=False)
board.print_register_settings()
board.start_streaming(send_packet)
from BDFWriter import BDFWriter
from open_bci_v3 import OpenBCIBoard
import thread
NUM_CHANNELS = 8
bdf = BDF(NUM_CHANNELS)
board = OpenBCIBoard(port='/dev/ttyUSB0', baud=115200, scaled_output=False)
board.print_register_settings()
#board.test_signal(2)
board.print_register_settings()
def handle_sample(sample):
bdf.append_sample(sample.channel_data)
if sample.id == 0:
bdf.write_file(file('record.bdf', 'wb'))
#thread.start_new_thread(board.start_streaming, (handle_sample,))
board.start_streaming(handle_sample)
curses.echo()
curses.endwin()
aparser = ArgumentParser()
aparser.add_argument('dongle_device')
aparser.add_argument('-c0', type=str, default="Channel 0")
aparser.add_argument('-c1', type=str, default="Channel 1")
aparser.add_argument('-c2', type=str, default="Channel 2")
aparser.add_argument('-c3', type=str, default="Channel 3")
aparser.add_argument('-c4', type=str, default="Channel 4")
aparser.add_argument('-c5', type=str, default="Channel 5")
aparser.add_argument('-c6', type=str, default="Channel 6")
aparser.add_argument('-c7', type=str, default="Channel 7")
args = aparser.parse_args()
board = OpenBCIBoard(port=args.dongle_device)
for c in 'svcd':
board.ser.write(c)
time.sleep(0.100)
time.sleep(0.100)
sampletime = 1.0/board.getSampleRate()
dirpath = os.path.dirname(os.path.realpath(__file__))
atexit.register(write_packets)
atexit.register(board.disconnect)
boardthread = threading.Thread(target=board.start_streaming, args=(label_packet, -1))
#board.start_streaming([label_packet], -1)
boardthread.daemon = True
boardthread.start()
def __init__(self, ttyPath = '/dev/ttyUSB0'): super(OpenBCIThread, self).__init__() self.board = OpenBCIBoard(ttyPath, scaled_output=False)
[curve[i].setData(a[8], a[i])
for i in range(numberofchannels)] # set the curve with this data
pg.QtGui.QApplication.processEvents() # you MUST process the plot now
### MAIN PROGRAM #####
# this is a brutal infinite loop calling your realtime data plot
while True:
update()
### END QtApp ####
pg.QtGui.QApplication.exec_() # you MUST put this at the end
##################
# Read serial information related to the electrodes
board = OpenBCIBoard()
board.print_register_settings()
numberofchannels = 8
# Montreal task
levelqueue = Queue()
question = Question(level=1, timer=20, levelqueue=levelqueue)
# Filtering setup
w = sg.firwin(256, [5, 50], pass_zero=False, fs=250, window="hann")
w = np.flip(
w
) # Change w0 to last position in order to multiply that last sample that came from queue
# File to save recordings in time domain
