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Elixir Z-Wave library
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lib/grizzly/command_class/wake_up/interval_set.ex
defmodule Grizzly.CommandClass.WakeUp.IntervalSet do
@moduledoc """
Command module for working with the Wake Up command class INTERVAL_SET command
Ref Docs: SDS13782 Z-Wave Management Command Class Specification.pdf
Command Options:
* `:seconds` - The number seconds for the device to wake up between 0 and 16777215
* `:node_id` - The node that the device should send the wake up notification to
* `:seq_number` - The sequence number used for the Z/IP packet
* `:retries` - The number of attempts to send the command (default 2)
"""
@behaviour Grizzly.Command
alias Grizzly.{Packet, Node}
alias Grizzly.Command.{EncodeError, Encoding}
@type t :: %__MODULE__{
seq_number: Grizzly.seq_number(),
retries: non_neg_integer(),
seconds: non_neg_integer(),
node_id: Node.node_id()
}
@type opt ::
{:seq_number, Grizzly.seq_number()}
| {:retries, non_neg_integer()}
| {:seconds, non_neg_integer()}
| {:node_id, Node.node_id()}
@enforce_keys [:seconds, :node_id]
defstruct seq_number: nil, retries: 2, seconds: nil, node_id: nil
@impl true
@spec init([opt]) :: {:ok, t()}
def init(opts) do
{:ok, struct!(__MODULE__, opts)}
end
@impl true
@spec encode(t()) :: {:ok, binary()} | {:error, EncodeError.t()}
def encode(%__MODULE__{seq_number: seq_number, seconds: seconds, node_id: node_id} = command) do
with {:ok, _encoded} <-
Encoding.encode_and_validate_args(command, %{
node_id: :byte,
seconds: {:bits, 24}
}) do
packet = Packet.header(seq_number) <> <<0x084, 0x04, seconds::size(24), node_id>>
{:ok, packet}
end
end
@impl true
@spec handle_response(t(), Packet.t()) ::
{:done, :ok} | {:done, {:error, :nack_response}} | {:queued, t()} | {:retry, t()}
def handle_response(%__MODULE__{seq_number: seq_number}, %Packet{
seq_number: seq_number,
types: [:ack_response]
}) do
{:done, :ok}
end
def handle_response(%__MODULE__{seq_number: seq_number, retries: 0}, %Packet{
seq_number: seq_number,
types: [:nack_response]
}) do
{:done, {:error, :nack_response}}
end
def handle_response(%__MODULE__{seq_number: seq_number, retries: n} = command, %Packet{
seq_number: seq_number,
types: [:nack_response]
}) do
{:retry, %{command | retries: n - 1}}
end
def handle_response(
%__MODULE__{seq_number: seq_number} = command,
%Packet{
seq_number: seq_number,
types: [:nack_response, :nack_waiting]
} = packet
) do
if Packet.sleeping_delay?(packet) do
{:queued, command}
else
{:continue, command}
end
end
def handle_response(%__MODULE__{} = command, %Packet{}), do: {:continue, command}
end