"""
:author: Thomas Delaet <thomas@delaet.org> and Maikel Punie <maikel.punie@gmail.com>
"""
from velbus.message import Message
from velbus.command_registry import register_command
COMMAND_CODE = 0xEF
[docs]class ChannelNameRequestMessage(Message):
"""
send by:
received by: VMB6IN, VMB4RYLD
"""
def __init__(self, address=None):
Message.__init__(self)
self.channels = []
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, 1)
self.set_attributes(priority, address, rtr)
self.channels = self.byte_to_channels(data[0])
[docs] def data_to_binary(self):
"""
:return: bytes
"""
return bytes([COMMAND_CODE, self.channels_to_byte(self.channels)])
[docs]class ChannelNameRequestMessage2(ChannelNameRequestMessage):
"""
send by:
received by: VMB2BL
"""
[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, 1)
self.set_attributes(priority, address, rtr)
tmp = (data[0] >> 1) & 0x03
self.channels = self.byte_to_channels(tmp)
[docs] def data_to_binary(self):
"""
:return: bytes
"""
tmp = 0x00
if 1 in self.channels:
tmp += 0x03
if 2 in self.channels:
tmp += 0x0C
return bytes([COMMAND_CODE, tmp])
register_command(COMMAND_CODE, ChannelNameRequestMessage)