def __init__(self, dev_num=0, send_socket_port=63636, rec_socket_port=63637, socket_ip="localhost"):
self.send_socket = TCPSendSocket(tcp_port=send_socket_port, tcp_ip=socket_ip, send_type=JSON)
self.rec_socket = TCPReceiveSocket(tcp_port=rec_socket_port, tcp_ip=socket_ip, handler_function=self.on_receive)
joysticks = XInputJoystick.enumerate_devices()
device_numbers = list(map(attrgetter('device_number'), joysticks))
print('found %d devices: %s' % (len(joysticks), device_numbers))
if not joysticks:
sys.exit(0)
self.joystick = joysticks[dev_num]
print('using %d' % self.joystick.device_number)
@self.joystick.event
def on_button(button, pressed):
self.send_socket.send_data([button, pressed])
@self.joystick.event
def on_axis(axis, value):
self.send_socket.send_data([axis, value])
def receiving_function():
num_messages_received = [0]
# function to run when a new piece of data is received
def print_value(data):
print("value recieved: ", data)
num_messages_received[0] = 1 + num_messages_received[0]
rec_socket = TCPReceiveSocket(tcp_port=port, handler_function=print_value)
rec_socket.start(blocking=True)
while num_messages_received[0] < number_of_messages:
# add delay so this loop does not unnecessarily tax the CPU
time.sleep(0.25)
print("closing receive socket.")
rec_socket.stop()
# define function to print the echo back from matlab
def print_data(data):
global start_time
now = time.time()
print('length of returned array:',
np.frombuffer(data, dtype='float32').shape[0], 'Time for full trip:',
now - start_time)
# create a send and receive socket
send_socket = TCPSendSocket(tcp_port=send_port, tcp_ip='', send_type=RAW)
rec_socket = TCPReceiveSocket(tcp_port=receive_port,
handler_function=print_data,
receive_as_raw=True,
as_server=True,
receive_buffer_size=65536)
# start the sockets
send_socket.start()
rec_socket.start()
stop_flag = threading.Event()
def send_sig():
global start_time
while not stop_flag.is_set():
data = np.random.random(
(100, 100)) # create 100x100 array of random numbers
import sys
send_port = 4242
rec_port = 4242
ip = '127.0.0.1'
# define function to print the echo back from matlab
def print_data(data):
print(data, "unpacked:", struct.unpack('ff', data))
# create a send and receive socket
send_socket = TCPSendSocket(tcp_port=send_port, tcp_ip=ip, send_type=RAW)
receive_socket = TCPReceiveSocket(tcp_port=rec_port,
tcp_ip=ip,
receive_as_raw=True,
handler_function=print_data)
# start the sockets
send_socket.start()
receive_socket.start()
stop_flag = threading.Event()
def send_sig():
while not stop_flag.is_set():
data = np.random.random((1, 2)).tolist()[0]
data_as_bytes = struct.pack('ff', *data)
send_socket.send_data(data_as_bytes)
time.sleep(0.5)
def __init__(self, tcp_port, tcp_ip='localhost'):
super().__init__()
self.socket = TCPReceiveSocket(tcp_ip=tcp_ip,
tcp_port=tcp_port,
handler_function=self._data_received)
import sys
send_port = 4242
receive_port = 4343
ip = '0.0.0.0'
# define function to print the echo back from matlab
def print_data(data):
print(data)
# create a send and receive socket
send_socket = TCPSendSocket(tcp_port=send_port, tcp_ip='', send_type=JSON)
rec_socket = TCPReceiveSocket(tcp_port=receive_port,
handler_function=print_data,
receive_as_raw=False)
# start the sockets
send_socket.start()
rec_socket.start()
stop_flag = threading.Event()
def send_sig():
while not stop_flag.is_set():
send_socket.send_data({'data': np.random.random((4, 4)).tolist()})
time.sleep(0.5)