def main():
"""A simple test to calculate the round trip time of
packets
This test was performed on: 3/21/2018
Results: Overwhelmingly successful. See a fuller description
on the log page:
(https://classes.engineering.wustl.edu/ese205/core/index.php?title=Pi_Car_Comm_Log#Timing_Test_.28Finally.29)
:return: None
"""
network = Network(1024, 10)
while True:
message = "<token>Token data</token>" # send token data every 2 seconds
network.broadcast(message)
time.sleep(2)
def main():
# Create a serial port with which to communicate with an Arduino
ser = serial.Serial(
port='/dev/ttyACM0',
baudrate=9600,
)
# Create a `Network` that can read in packets that are less than
# or equal to 1024 bytes, and that stores the last 10 messages
# it received.
network = Network(1024, 10)
try:
while True:
# noinspection PyBroadException
try:
# Decode the info coming from the Arduino
command = ser.readline().decode('utf-8')
# Broadcast the command to any Raspberry Pi's that are
# listening.
network.broadcast("<command>" + command + "</command>")
except Exception:
pass
except KeyboardInterrupt:
network.close_broadcast()
