"""
:author: Thomas Delaet <thomas@delaet.org>
"""
from velbus.message import Message
from velbus.command_registry import register_command
COMMAND_CODE = 0xDA
[docs]class BusErrorCounterStatusMessage(Message):
"""
send by: VMB6IN, VMB4RYLD
received by:
"""
def __init__(self, address=None):
Message.__init__(self)
self.transmit_error_counter = 0
self.receive_error_counter = 0
self.bus_off_counter = 0
self.set_defaults(address)
[docs] def populate(self, priority, address, rtr, data):
"""
:return: None
"""
assert isinstance(data, bytes)
self.needs_low_priority(priority)
self.needs_no_rtr(rtr)
self.needs_data(data, 3)
self.transmit_error_counter = data[0]
self.receive_error_counter = data[1]
self.bus_off_counter = data[2]
[docs] def data_to_binary(self):
"""
:return: bytes
"""
return bytes(
[
COMMAND_CODE,
self.transmit_error_counter,
self.receive_error_counter,
self.bus_off_counter,
]
)
register_command(COMMAND_CODE, BusErrorCounterStatusMessage)