def read(self, timeout=None):
self.sock.settimeout(timeout)
try:
frame, addr = self.sock.recvfrom(16)
return CanMessage.from_raw(frame)
except socket.timeout:
return None
def read(self, timeout=None):
self.sock.settimeout(timeout)
try:
frame, addr = self.sock.recvfrom(16)
return CanMessage.from_raw(frame)
except socket.timeout:
return None
def read(self, timeout=None):
self.sock.settimeout(timeout)
try:
frame, addr = self.sock.recvfrom(16)
msg = CanMessage.from_raw(frame)
print("recv: ", msg)
return msg
except socket.timeout:
return None
__author__ = 'hd'
import time
import random
from socketcan import CanMessage, CanSocket
sock = CanSocket()
sock.open("can0")
msg = CanMessage(0x133701ef, [0,0,255,255])
colors = [0]*10
h = 0
while True:
h = (h + random.randint(10, 120)) % 360
colors = colors[1:] + [h]
for i, h in enumerate(reversed(colors)):
msg.data[0] = i
msg.data[1] = int(h/2)
sock.send(msg)
time.sleep(1)
__author__ = 'hd'
import time
from socketcan import CanMessage, CanSocket
sock = CanSocket()
sock.open("can0")
msg = CanMessage(0x133701ef, [0,0,255,255])
h = 0
while True:
msg.data[0] = 0
msg.data[1] = h % 180
sock.send(msg)
msg.data[0] = 1
msg.data[1] = (h + 20) % 180
sock.send(msg)
msg.data[0] = 2
msg.data[1] = (h + 40) % 180
sock.send(msg)
h += 1
time.sleep(0.05)
while not do_quit:
msg = echo_sock.read(0.1)
if msg is not None:
echo_sock.send(msg)
if_master = sys.argv[1]
if_slave = sys.argv[2]
iterations = int(sys.argv[3])
echo_thread = threading.Thread(target=can_echo_thread, args=(if_slave, ))
echo_thread.start()
sock = CanSocket()
sock.open(if_master)
msg = CanMessage(0x13371010, [0, 0, 0, 0, 0, 0, 0, 0])
t_start = time.time()
for i in range(0, iterations):
sock.send(msg)
msg = sock.read()
x = msg.data[0]
msg.data[0] = (x + 1) % 256
t_finish = time.time()
do_quit = True
print("\n\nsent and received %d messages in %f seconds." %
(iterations, t_finish - t_start))
