def flush_buffer(port):
ftc = FieldTrip2.Client() # create buffer object
ftc.connect("localhost", port) # connect to buffer
hdr = ftc.getHeader() # get header
ftc.putHeader(hdr.nChannels, 0, FieldTrip2.DATATYPE_FLOAT32, None,
None) # clears the buffer memory! hack?
ftc.disconnect()
def buffer_trial(port, array):
path_buffer_executable = "D:\\Network.Buffer.DRP.19.07.20\\realtimeHack.10.11.17\\buffer.exe"
host = 'localhost'
command = "start cmd /K " + path_buffer_executable + " " + host.__str__(
) + " " + port.__str__() + " -&"
print(command)
subprocess.Popen(command, shell=True) # start buffer
ftc = FieldTrip2.Client() # create buffer object
ftc.connect(host, port) # connect to buffer
ftc.putHeader(Number.axes, 0, FieldTrip2.DATATYPE_FLOAT32, None,
None) # put header - clears the buffer memory?
ftc.putData(array.astype((np.float32))) # put data
hdr = ftc.getHeader() # get header
# print(hdr) # print header
D2 = ftc.getData((0, hdr.nSamples - 1)) # get data
# print(np.shape(D2)) # print data
return (D2)
def start_buffer_and_put_data(port, array):
start_buffer(port, array.shape[1])
ftc = FieldTrip2.Client() # create buffer object
ftc.connect("localhost", port) # connect to buffer
ftc.putData(array.astype(np.float32)) # put data
hdr = ftc.getHeader() # get header
D2 = ftc.getData((0, hdr.nSamples-1)) # get data
return D2
def start_buffer(port, nChannels):
path_buffer_executable = "D:\\Network.Buffer.DRP.19.07.20\\realtimeHack.10.11.17\\buffer.exe"
host = 'localhost'
command = "start cmd /K " + path_buffer_executable + " " + host.__str__() + " " + port.__str__() + " -&"
print(command)
subprocess.Popen(command, shell=True) # start buffer
ftc = FieldTrip2.Client() # create buffer object
ftc.connect(host, port) # connect to buffer
ftc.putHeader(nChannels, 0, FieldTrip2.DATATYPE_FLOAT32, None, None) # put header - clears the buffer memory?
ftc.disconnect()
def get_number_of_samples(port):
ftc = FieldTrip2.Client() # create buffer object
ftc.connect("localhost", port) # connect to buffer
hdr = ftc.getHeader()
return hdr.nSamples
def put_data(port, array):
ftc = FieldTrip2.Client() # create buffer object
ftc.connect("localhost", port) # connect to buffer
ftc.putData(array.astype(np.float32)) # put data
def get_all_data(port):
ftc = FieldTrip2.Client() # create buffer object
ftc.connect("localhost", port) # connect to buffer
hdr = ftc.getHeader()
data = ftc.getData([0, hdr.nSamples-1])
return data