defmodule Grizzly.ZWave.Commands.AssociationGroupCommandListGet do
@moduledoc """
This command is used to request the commands that are sent via a given
association group.
Params:
* `:allow_cache` - This field indicates that a Z-Wave Gateway device is
allowed to intercept the request and return a cached response on behalf of
the specified target. (required)
* `:group_id` - The group identifier (required)
"""
@behaviour Grizzly.ZWave.Command
alias Grizzly.ZWave.Command
alias Grizzly.ZWave.CommandClasses.AssociationGroupInfo
@type param() :: {:allow_cache, boolean()} | {:group_id, byte()}
@impl true
@spec new([param()]) :: {:ok, Command.t()}
def new(params) do
command = %Command{
name: :association_group_command_list_get,
command_byte: 0x05,
command_class: AssociationGroupInfo,
params: params,
impl: __MODULE__
}
{:ok, command}
end
@impl true
def encode_params(command) do
allow_cache? = Command.param!(command, :allow_cache)
group_id = Command.param!(command, :group_id)
allow_cache_bit = if allow_cache?, do: 0x01, else: 0x00
<<allow_cache_bit::size(1), 0x00::size(7), group_id>>
end
@impl true
def decode_params(<<allow_cache_bit::size(1), 0x00::size(7), group_id>>) do
{:ok, [allow_cache: allow_cache_bit == 0x01, group_id: group_id]}
end
end