defmodule Grizzly.ZWave.Commands.UserCodeGet do
@moduledoc """
This module implements command USER_CODE_GET of the COMMAND_CLASS_USER_CODE
command class.
This command is used to request the User Code of a specific User Identifier.
Params:
* `user_id` - the user identifier, an integer between 1 and 255 (required)
"""
@behaviour Grizzly.ZWave.Command
alias Grizzly.ZWave.Command
alias Grizzly.ZWave.CommandClasses.UserCode
@type param :: {:user_id, 1..255}
@impl true
@spec new([param()]) :: {:ok, Command.t()}
def new(params) do
command = %Command{
name: :user_code_get,
command_byte: 0x02,
command_class: UserCode,
params: params,
impl: __MODULE__
}
{:ok, command}
end
@impl true
def encode_params(command) do
user_id = Command.param!(command, :user_id)
<<user_id>>
end
@impl true
def decode_params(<<user_id>>) do
{:ok, [user_id: user_id]}
end
end