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#!/usr/bin/env python

"""

Shows how the receive messages via polling.

"""

import can

from can.bus import BusState

def receive_all():

"""Receives all messages and prints them to the console until Ctrl+C is pressed."""

with can.interface.Bus(

bustype="pcan", channel="PCAN_USBBUS1", bitrate=250000

) as bus:

# bus = can.interface.Bus(bustype='ixxat', channel=0, bitrate=250000)

# bus = can.interface.Bus(bustype='vector', app_name='CANalyzer', channel=0, bitrate=250000)

# set to read-only, only supported on some interfaces

bus.state = BusState.PASSIVE

try:

while True:

msg = bus.recv(1)

if msg is not None:

print(msg)

except KeyboardInterrupt:

pass # exit normally

if __name__ == "__main__":

receive_all()