def _stream_debug(self):
info = pylsl.stream_info('Debug', 'EEG', self.channel_count,
self.nominal_srate, pylsl.cf_float32,
'dsffwerwer')
outlet = pylsl.stream_outlet(info)
print('DebudStream: Streaming start...')
path_rest = 'C:/Workspace/SpeechMapping/SpeechMappingv0_3/data/Sysoeva/10_10_19/data_rest/experiment_data.h5'
path_actions = 'C:/Workspace/SpeechMapping/SpeechMappingv0_3/data/Sysoeva/10_10_19/data_actions/experiment_data.h5'
path_objects = 'C:/Workspace/SpeechMappingv0_3/data/Sysoeva/10_10_19/data_objects/experiment_data.h5'
paths = [path_rest, path_actions, path_objects]
time.sleep(3)
for i in range(len(paths)):
with h5py.File(paths[i], "r") as file:
data = file['protocol1']['raw_data']
data_length = data.shape[0]
index = 0
start_time = time.time()
current_time = time.time()
while (time.time() - start_time <
self.stream_time) and index < data_length:
if time.time() - current_time > 1 / 2048:
current_time = time.time()
sample = data[index, :68]
outlet.push_sample(sample)
index += 1
if index % 100 == 0:
print('Index: ', index)
time.sleep(0.0001)
time.sleep(3)
print('DebudStream: Streaming stop...')
def Ni_data_collection():
streams = pylsl.resolve_stream()
info = pylsl.stream_info('Force', 'Data', 1, 1000, 'float32')
outlet = pylsl.stream_outlet(info)
with nidaqmx.Task() as task:
task.ai_channels.add_ai_voltage_chan("Dev1/ai0")
while True:
sample = pylsl.vectorf([task.read()])
outlet.push_sample(sample)
time.sleep(0.01)
def handle_config(self, timestamp, data_obj):
# Configure the LSL streams
eeg_info = pylsl.stream_info("Interaxon","EEG", data_obj.eeg_channel_count,
data_obj.eeg_sample_frequency_hz, pylsl.cf_float32,
"Muse-EEG-" + data_obj.mac_addr)
eeg_info.desc().append_child_value("manufacturer", "Interaxon")
channels = eeg_info.desc().append_child("channels")
for c in data_obj.eeg_channel_layout.split():
channels.append_child("channel").append_child_value("label",c).append_child_value("unit","microvolts").append_child_value("type","EEG")
# outgoing buffer size to 360 seconds (max.) and the transmission chunk size to 32 samples
self.__outlets["EEG"] = pylsl.stream_outlet(eeg_info, 360, 32)
acc_info = pylsl.stream_info("Interaxon","Accelerometer", 3, 50, pylsl.cf_int32,
"Muse-AC-" + data_obj.mac_addr)
acc_info.desc().append_child_value("manufacturer", "Interaxon")
channels = acc_info.desc().append_child("channels")
for c in ['x', 'y', 'z']:
channels.append_child("channel").append_child_value("label",c).append_child_value("unit","4/1023g").append_child_value("type","Accelerometer")
# outgoing buffer size to 360 seconds (max.) and the transmission chunk size to 32 samples
self.__outlets["ACC"] = pylsl.stream_outlet(acc_info, 360, 32)
def _stream(self):
info = pylsl.stream_info('Debug', 'EEG', self.channel_count,
self.nominal_srate, pylsl.cf_float32,
'dsffwerwer')
outlet = pylsl.stream_outlet(info)
print('DebudStream: Streaming start...')
start_time = time.time()
current_time = time.time()
while (time.time() - start_time < self.stream_time):
if time.time() - current_time > self.seconnds_per_sample:
current_time = time.time()
sample = [random.random() for i in range(self.channel_count)]
outlet.push_sample(sample)
#time.sleep(0.0002)
time.sleep(0.0001)
print('DebudStream: Streaming stop...')
def startReadAndProcess(self):
if self.stream is None:
print("No stream to read... aborting")
return
# create a new inlet to read from the stream
self.inlet = StreamInlet(self.stream)
self.outlet = pylsl.stream_outlet(self.outputInfo)
mustStop = False
outputEveryNSample = self.inputRate / self.outputRate
samp = 0
while not mustStop:
samp += 1
np.roll(self.buff, -1, 0)
self.buff[self.bufferSize -
1, :], timestamp = self.inlet.pull_sample()
if samp % outputEveryNSample == 0:
#pdb.set_trace()
values = self.processBuffer(self.freqBand)
self.outlet.push_sample(
pylsl.vectorf(self.processBuffer(self.freqBand)))
self.inlet = None
"EEG",
len(headset.channel_mask),
headset.sampling_rate,
pylsl.cf_int16,
str(headset.serial_number),
)
info_desc = info.desc()
info_desc.append_child_value("manufacturer", "Emotiv")
channels = info_desc.append_child("channels")
for ch in headset.channel_mask:
channels.append_child("channel").append_child_value("label", ch).append_child_value(
"unit", "microvolts"
).append_child_value("type", "EEG")
# Outgoing buffer size = 360 seconds, transmission chunk size = 32 samples
outlet = pylsl.stream_outlet(info, 1, 32)
while True:
try:
s = headset.get_sample()
except epoc.EPOCTurnedOffError, e:
print "Headset is turned off, waiting..."
time.sleep(0.02)
else:
if s:
outlet.push_sample(pylsl.vectori(s), pylsl.local_clock())
headset.disconnect()
'''
Created on Jul 10, 2012
@author: SCCN
'''
from pylink import *
import pylsl, socket, time
if __name__ == '__main__':
outlet = None
try:
info = pylsl.stream_info("EyeLink", "Gaze", 9, 100, pylsl.cf_float32,
"eyelink-" + socket.gethostname())
outlet = pylsl.stream_outlet(info)
print "Established LSL outlet."
except:
print "Could not create LSL outlet."
while True:
try:
print "Trying to connect to EyeLink tracker..."
try:
tracker = EyeLink("255.255.255.255")
print "Established a passive connection with the eye tracker."
except:
tracker = EyeLink("100.1.1.1")
print "Established a primary connection with the eye tracker."
beginRealTimeMode(100)
getEYELINK().startRecording(1, 1, 1, 1)
# TEST SCRIPT
# NOT FINAL
import nidaqmx.system
import time
import pylsl
info = pylsl.stream_info('BioSemi', 'fnir', 1, 100, pylsl.cf_float32, 'myuid34234') #'float32'
# next make an outlet
outlet = None
outlet = pylsl.stream_outlet(info)
task = nidaqmx.Task()
for num in range(1,17):
task.ai_channels.add_ai_voltage_chan('{0}{1}'.format('Dev1/ai',num-1))
print("now sending data...")
while True:
datarec = task.read(number_of_samples_per_channel=1)
#outlet.push_sample(data)
stamp = time.time() #100 #local_clock()-0.125
#values=[datarec[1], datarec[2]]
outlet.push_sample(pylsl.vectord(datarec[1]), stamp)
print "Found headset with serial number: ", headset.serial_number
info = pylsl.stream_info('Emotiv EEG', 'EEG', len(headset.channel_mask),
headset.sampling_rate, pylsl.cf_int16,
str(headset.serial_number))
info_desc = info.desc()
info_desc.append_child_value("manufacturer", "Emotiv")
channels = info_desc.append_child("channels")
for ch in headset.channel_mask:
channels.append_child("channel").append_child_value(
"label", ch).append_child_value("unit",
"microvolts").append_child_value(
"type", "EEG")
# Outgoing buffer size = 360 seconds, transmission chunk size = 32 samples
outlet = pylsl.stream_outlet(info, 1, 32)
while True:
try:
s = headset.get_sample()
except epoc.EPOCTurnedOffError, e:
print "Headset is turned off, waiting..."
time.sleep(0.02)
else:
if s:
outlet.push_sample(pylsl.vectori(s), pylsl.local_clock())
headset.disconnect()
def CreateMrkStream():
info = pylsl.stream_info('P300_Markers', 'Markers', 1, 0, pylsl.cf_string, 'unsampledStream');
outlet = pylsl.stream_outlet(info, 1, 1)
return outlet;
outlet = pylsl.stream_outlet(info)
with nidaqmx.Task() as task:
task.ai_channels.add_ai_voltage_chan("Dev1/ai0")
while True:
sample = pylsl.vectorf([task.read()])
outlet.push_sample(sample)
time.sleep(0.01)
Ni_collect_proccess = multiprocessing.Process(target=Ni_data_collection)
#experiment_proccess= multiprocessing.Process(target=start_experiment)
if __name__ == '__main__':
trigg_info = pylsl.stream_info('Markers', 'Markers', 1, 0, 'string')
trigg_outlet = pylsl.stream_outlet(trigg_info)
app = App(LabRecorder_path, EEG_module_path, impedence_path,
Ni_collect_proccess)
app.root.mainloop()
# message if EEG is not activated
if app.EEG_var == 0:
root2 = tk.Tk()
root2.withdraw()
result = tk.messagebox.askokcancel(
title=None,
message='No EEG Signal. \nWould you like to procceed?',
)
if result == False:
quit()
if app.Ni_var == 0:
import sys; sys.path.append('..') # make sure that pylsl is found (note: in a normal program you would bundle pylsl with the program)
import pylsl
import random
import time
# first create a new stream info (here we set the name to BioSemi, the content-type to EEG, 8 channels, 100 Hz, and float-valued data)
# The last value would be the serial number of the device or some other more or less locally unique identifier for the stream as far as available (you could also omit it but interrupted connections wouldn't auto-recover).
info = pylsl.stream_info('BioSemi','EEG',8,100,pylsl.cf_float32,'dsffwerwer');
# append some meta-data
info.desc().append_child_value("manufacturer","BioSemi")
channels = info.desc().append_child("channels")
for c in ["C3","C4","Cz","FPz","POz","CPz","O1","O2"]:
channels.append_child("channel").append_child_value("name",c).append_child_value("unit","microvolts").append_child_value("type","EEG")
# next make an outlet; we set the outgoing buffer size to 360 seconds (max.) and the transmission chunk size to 32 samples
outlet = pylsl.stream_outlet(info,360,32)
print("now sending data...")
while True:
# make a new random 8-channel sample; this is converted into a pylsl.vectorf (the data type that is expected by push_sample)
mysample = pylsl.vectorf([random.random(),random.random(),random.random(),random.random(),random.random(),random.random(),random.random(),random.random()])
# get a time stamp in seconds (we might modify this time stamp based on the true age of the sample, e.g. if it came from a measurement device, in case we can determine it)
now = pylsl.local_clock()
# now send it and wait for a bit
outlet.push_sample(mysample,now)
time.sleep(0.01)
# first create a new stream info (here we set the name to BioSemi, the content-type to EEG, 8 channels, 100 Hz, and float-valued data)
# The last value would be the serial number of the device or some other more or less locally unique identifier for the stream as far as available (you could also omit it but interrupted connections wouldn't auto-recover).
info = pylsl.stream_info('BioSemi', 'EEG', 8, 100, pylsl.cf_float32,
'dsffwerwer')
# append some meta-data
info.desc().append_child_value("manufacturer", "BioSemi")
channels = info.desc().append_child("channels")
for c in ["C3", "C4", "Cz", "FPz", "POz", "CPz", "O1", "O2"]:
channels.append_child("channel").append_child_value(
"name",
c).append_child_value("unit",
"microvolts").append_child_value("type", "EEG")
# next make an outlet; we set the outgoing buffer size to 360 seconds (max.) and the transmission chunk size to 32 samples
outlet = pylsl.stream_outlet(info, 360, 32)
print("now sending data...")
while True:
# make a new random 8-channel sample; this is converted into a pylsl.vectorf (the data type that is expected by push_sample)
mysample = pylsl.vectorf([
random.random(),
random.random(),
random.random(),
random.random(),
random.random(),
random.random(),
random.random(),
random.random()
])
# get a time stamp in seconds (we might modify this time stamp based on the true age of the sample, e.g. if it came from a measurement device, in case we can determine it)
def CreateMrkStream():
info = pylsl.stream_info('SegSpeller_Markers', 'Markers', 1, 0,
pylsl.cf_string, 'segspeller')
return pylsl.stream_outlet(info)
from Tkinter import *
import random, pylsl
from pylsl import stream_inlet, stream_outlet, stream_info
info = stream_info('RandomData', 'EEG', 4, 50, pylsl.cf_int32, 'RandomDev123')
outlet = stream_outlet(info)
inlet = stream_inlet(info)
inlet.open_stream()
WIDTH = 800
HEIGHT = 600
SEG_SIZE = 20
IN_GAME = True
def create_block():
global BLOCK
posx = SEG_SIZE * random.randint(1, (WIDTH-SEG_SIZE) / SEG_SIZE)
posy = SEG_SIZE * random.randint(1, (HEIGHT-SEG_SIZE) / SEG_SIZE)
BLOCK = c.create_oval(posx, posy, posx+SEG_SIZE, posy+SEG_SIZE, fill="red")
def main():
global IN_GAME
if IN_GAME:
s.move()
head_coords = c.coords(s.segments[-1].instance)
x1, y1, x2, y2 = head_coords
insample = pylsl.vectorf()
inlet_list = []
while inlet.samples_available():
inlet.pull_sample(insample)
if (len(sys.argv) < 3):
print("ERROR: Incorrect use of the script")
print(
"Use: python incoming_trigger_test.py <numberoftriggers> <interval in seconds>"
)
sys.exit()
print("LSL INCOMING TRIGGERS TEST\n")
name = "stream_trigger2"
si = lsl.StreamInfo(name=name,
type='Markers',
source_id='testing_dep',
channel_format=lsl.cf_string)
so = lsl.stream_outlet(si)
print("It will take 5 seconds to start sending triggers...")
time.sleep(
5
) # Make sure that eego got the news of the new stram and subcribes to it. Not needed from the python side
triggers = int(sys.argv[1]) #number of triggers
sleeping_time = float(sys.argv[2]) #time in seconds
cont = 1
while (cont <= triggers or triggers is -1):
string = "%i -> %s" % (cont, datetime.datetime.now().time())
