#def print_raw(sample):
# try:
# #output.append(sample.channels_data)
# print(sample.channels_data)
# for i in range(1, MaxVal, StepInterval):
# print(i)
# except KeyboardInterrupt:
# for i in range(1, MaxVal, StepInterval):
# print('INTERRUPTED! Closing in: ', str(MaxVal-i))
# board.stop_stream()
#
#board.start_stream(print_raw)
#print("Line 29")
### Write commands, while with keyboard interrupt ###
board.write_command('b')
while True:
try:
#output.append(board.parse_board_data().channels_data*SCALE_FACTOR_EEG)
#output.append(board.parse_board_data().channels_data*SCALE_FACTOR_EEG)
sample = board.parse_board_data().channels_data
print(sample)
sample_np = np.array(sample)
print(sample_np)
scaled_sample = sample_np * SCALE_FACTOR_EEG
#print(type(scaled_sample))
output = np.vstack((output, scaled_sample))
except KeyboardInterrupt:
board.stop_stream()
print("Stream Stopped!")
else:
sys.exit(
'Currently the Ganglion Python repo only works with Linux OS.')
else:
board = OpenBCIWiFi()
valid_commands = '012345678!@#$%^&*qwertyuiQWERTYUI[]pdbsvnN;-=xXDzZASFGHJKLajbs?c<>'
while True:
command = input('--> ')
if str(command).lower() in ['start', 'stream']:
print('Starting Board Stream')
stream_thread = threading.Thread(target=board.start_stream,
args=(callback, ),
daemon=True)
stream_thread.start()
elif str(command).lower() in ['stop']:
board.stop_stream()
elif str(command).lower() in ['exit']:
sys.exit()
elif all(c in valid_commands for c in command):
try:
board.write_command(command)
except:
raise
else:
print('Not a valid command')
from pyOpenBCI import OpenBCICyton
from pylsl import StreamInfo, StreamOutlet
import numpy as np
SCALE_FACTOR_EEG = (4500000) / 24 / (2**23 - 1) #uV/count
SCALE_FACTOR_AUX = 0.002 / (2**4)
print("Creating LSL stream for EEG. \nName: OpenBCIEEG\nID: OpenBCItestEEG\n")
info_eeg = StreamInfo('OpenBCIEEG', 'EEG', 8, 250, 'float32', 'OpenBCItestEEG')
print("Creating LSL stream for AUX. \nName: OpenBCIAUX\nID: OpenBCItestEEG\n")
info_aux = StreamInfo('OpenBCIAUX', 'AUX', 3, 250, 'float32', 'OpenBCItestAUX')
outlet_eeg = StreamOutlet(info_eeg)
outlet_aux = StreamOutlet(info_aux)
def lsl_streamers(sample):
outlet_eeg.push_sample(np.array(sample.channels_data) * SCALE_FACTOR_EEG)
outlet_aux.push_sample(np.array(sample.aux_data) * SCALE_FACTOR_AUX)
#print(np.array(sample.aux_data)*SCALE_FACTOR_AUX)
board = OpenBCICyton(port='/dev/cu.usbserial-DM00D7TW')
board.write_command('/2') # change the cyton AUX board mode to Analog mode.
board.start_stream(lsl_streamers)
