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try:
from pyb import CAN
CAN(2)
except (ImportError, ValueError):
print("SKIP")
raise SystemExit
# Testing rtr messages
bus2 = CAN(2, CAN.LOOPBACK)
while bus2.any(0):
bus2.recv(0)
bus2.setfilter(0, CAN.LIST32, 0, (1, 2), rtr=(True, True), extframe=True)
bus2.setfilter(1, CAN.LIST32, 0, (3, 4), rtr=(True, False), extframe=True)
bus2.setfilter(2, CAN.MASK32, 0, (16, 16), rtr=(False,), extframe=True)
bus2.setfilter(2, CAN.MASK32, 0, (32, 32), rtr=(True,), extframe=True)
bus2.send("", 1, rtr=True, extframe=True)
print(bus2.recv(0))
bus2.send("", 2, rtr=True, extframe=True)
print(bus2.recv(0))
bus2.send("", 3, rtr=True, extframe=True)
print(bus2.recv(0))
bus2.send("", 4, rtr=True, extframe=True)
print(bus2.any(0))
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