def main():
parser = argparse.ArgumentParser(
description="A script to run a simple SSVEP Experiment")
parser.add_argument("-n",
"--name",
dest="name",
type=str,
help="Name of the device.")
parser.add_argument("-d",
"--duration",
dest="duration",
type=int,
help="Duration of the experiment")
args = parser.parse_args()
explore = Explore()
explore.connect(device_name=args.name)
target_pos = [(-.6, -.6), (-.6, .6), (.6, .6), (.6, -.6)]
target_labels = ['\u2199', '\u2196', '\u2197', '\u2198']
fr_rates = [5, 6, 7, 8] # 12hz - 10hz - 8.5hz - 7.5hz
experiment = SSVEPRealTime(frame_rates=fr_rates,
positions=target_pos,
labels=target_labels,
signal_len=3,
eeg_s_rate=250,
overlap=.2,
screen_refresh_rate=60)
# subscribe the experiment buffer to the EEG data stream
explore.stream_processor.subscribe(callback=experiment.update_buffer,
topic=TOPICS.raw_ExG)
experiment.run(args.duration)
experiment.show_statistics()
def format_memory():
explorer = Explore()
parser = argparse.ArgumentParser(
description='format the memory of selected explore device')
parser.add_argument("-a",
"--address",
dest="address",
type=str,
default=None,
help="Explore device's MAC address.")
parser.add_argument("-n",
"--name",
dest="name",
type=str,
default=None,
help="Name of the device.")
args = parser.parse_args(sys.argv[2:])
if args.name is None:
explorer.connect(device_addr=args.address)
elif args.address is None:
explorer.connect(device_name=args.name)
from explorepy import command
memory_format_cmd = command.MemoryFormat()
explorer.change_settings(memory_format_cmd)
def acquire():
explorer = Explore()
parser = argparse.ArgumentParser(
description=
'Connect to a device with selected name or address. Only one input is necessary'
)
parser.add_argument("-a",
"--address",
dest="address",
type=str,
default=None,
help="Explore device's MAC address.")
parser.add_argument("-n",
"--name",
dest="name",
type=str,
default=None,
help="Name of the device.")
args = parser.parse_args(sys.argv[2:])
if args.name is None:
explorer.connect(device_addr=args.address)
elif args.address is None:
explorer.connect(device_name=args.name)
explorer.acquire()
def push2lsl():
explorer = Explore()
parser = argparse.ArgumentParser(description='Push data to lsl')
parser.add_argument("-a",
"--address",
dest="address",
type=str,
default=None,
help="Explore device's MAC address.")
parser.add_argument("-n",
"--name",
dest="name",
type=str,
default=None,
help="Name of the device.")
parser.add_argument("-c",
"--channels",
dest="channels",
type=int,
default=None,
help="the device's number of channels")
args = parser.parse_args(sys.argv[2:])
if args.name is None:
explorer.connect(device_addr=args.address)
else:
explorer.connect(device_name=args.name)
explorer.push2lsl(n_chan=args.channels)
def record_data():
explorer = Explore()
parser = argparse.ArgumentParser(
description='Connect to a device with selected name')
parser.add_argument("-a",
"--address",
dest="address",
type=str,
default=None,
help="Explore device's MAC address.")
parser.add_argument("-n",
"--name",
dest="name",
type=str,
default=None,
help="Name of the device.")
parser.add_argument("-f",
"--filename",
dest="filename",
type=str,
default=None,
help="Name of the CSV_Files.")
parser.add_argument("-o",
"--overwrite",
action='store_false',
help="Overwrite files with same name.")
parser.add_argument("-d",
"--duration",
type=int,
default=None,
help="Recording duration in seconds")
args = parser.parse_args(sys.argv[2:])
if args.name is None:
explorer.connect(device_addr=args.address)
else:
explorer.connect(device_name=args.name)
assert (args.filename is not None), "Missing Filename"
explorer.record_data(file_name=args.filename,
do_overwrite=args.overwrite,
duration=args.duration)
def impedance():
explorer = Explore()
parser = argparse.ArgumentParser(
description='Impedance measurement in a browser-based dashboard')
parser.add_argument("-a",
"--address",
dest="address",
type=str,
default=None,
help="Explore device's MAC address.")
parser.add_argument("-n",
"--name",
dest="name",
type=str,
default=None,
help="Name of the device.")
parser.add_argument("-c",
"--channels",
dest="channels",
type=int,
default=None,
help="the device's number of channels")
parser.add_argument("-nf",
"--notchfreq",
dest="notchfreq",
type=int,
default=50,
help="Frequency of notch filter.")
args = parser.parse_args(sys.argv[2:])
if args.name is None:
explorer.connect(device_addr=args.address)
else:
explorer.connect(device_name=args.name)
explorer.measure_imp(n_chan=args.channels, notch_freq=args.notchfreq)
def visualize():
explorer = Explore()
parser = argparse.ArgumentParser(
description='Visualizing signal in a browser-based dashboard')
parser.add_argument("-a",
"--address",
dest="address",
type=str,
default=None,
help="Explore device's MAC address.")
parser.add_argument("-n",
"--name",
dest="name",
type=str,
default=None,
help="Name of the device.")
parser.add_argument("-c",
"--channels",
dest="channels",
type=int,
default=None,
help="the device's number of channels (2, 4 or 8)")
parser.add_argument("-nf",
"--notchfreq",
dest="notchfreq",
type=int,
default=None,
help="Frequency of notch filter.")
args = parser.parse_args(sys.argv[2:])
if args.name is None:
explorer.connect(device_addr=args.address)
else:
explorer.connect(device_name=args.name)
explorer.visualize(n_chan=args.channels)
def set_sampling_rate():
explorer = Explore()
parser = argparse.ArgumentParser(
description=
'format the memory of selected explore device (yet in alpha state)'
)
parser.add_argument("-a",
"--address",
dest="address",
type=str,
default=None,
help="Explore device's MAC address.")
parser.add_argument("-n",
"--name",
dest="name",
type=str,
default=None,
help="Name of the device.")
parser.add_argument(
"-r",
"--sampling_rate",
dest="sampling_rate",
type=str,
default=None,
help="Sampling rate of ExG channels, it can be 250, 500 or 1000.")
args = parser.parse_args(sys.argv[2:])
if args.name is None:
explorer.connect(device_addr=args.address)
elif args.address is None:
explorer.connect(device_name=args.name)
from explorepy import command
if args.sampling_rate is None:
raise ValueError("Please specify the sampling rate")
elif args.sampling_rate == '250':
explorer.change_settings(command.SetSPS(250))
elif args.sampling_rate == '500':
explorer.change_settings(command.SetSPS(500))
elif args.sampling_rate == '1000':
explorer.change_settings(command.SetSPS(1000))
else:
raise ValueError(
"The only acceptable values are 250, 500 or 1000.")