def test_build_bcm_update_header(self):
can_id = 0x401
flags = 0
bcm_buffer = build_bcm_update_header(can_id=can_id, msg_flags=flags)
result = BcmMsgHead.from_buffer_copy(bcm_buffer)
self.assertEqual(CAN_BCM_TX_SETUP, result.opcode)
self.assertEqual(flags, result.flags)
self.assertEqual(0, result.count)
self.assertEqual(0, result.ival1_tv_sec)
self.assertEqual(0, result.ival1_tv_usec)
self.assertEqual(0, result.ival2_tv_sec)
self.assertEqual(0, result.ival2_tv_usec)
self.assertEqual(can_id, result.can_id)
self.assertEqual(1, result.nframes)
def test_build_bcm_transmit_header_initial_period_0(self):
can_id = 0x401
flags = 0
count = 42
bcm_buffer = build_bcm_transmit_header(
can_id=can_id,
count=count,
initial_period=0,
subsequent_period=2,
msg_flags=flags,
)
result = BcmMsgHead.from_buffer_copy(bcm_buffer)
self.assertEqual(CAN_BCM_TX_SETUP, result.opcode)
# SETTIMER and STARTTIMER should be added to the initial flags
self.assertEqual(flags | SETTIMER | STARTTIMER, result.flags)
self.assertEqual(count, result.count)
self.assertEqual(0, result.ival1_tv_sec)
self.assertEqual(0, result.ival1_tv_usec)
self.assertEqual(2, result.ival2_tv_sec)
self.assertEqual(0, result.ival2_tv_usec)
self.assertEqual(can_id, result.can_id)
self.assertEqual(1, result.nframes)