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()
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()
# handle grabbing board data on main thread
board.start_streaming(handle_sample)
#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)
