ezsp 5.0.0

Ember ZNet Serial Protocol
Documentation 
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//! Parameters for the [`Networking::get_network_parameters`](crate::Networking::get_network_parameters) command.

use le_stream::{FromLeStream, ToLeStream};
use num_traits::FromPrimitive;

use crate::Error;
use crate::ember::Status;
use crate::ember::network::Parameters;
use crate::ember::node::Type;
use crate::error::ValueError;
use crate::frame::Parameter;
use crate::frame::responds_with::RespondsWith;

const ID: u16 = 0x0028;

#[derive(Clone, Debug, Eq, PartialEq, ToLeStream)]
pub(crate) struct Command;

impl Parameter for Command {
    const ID: u16 = ID;
}

impl RespondsWith for Command {
    type Response = Response;
}

/// Response parameters.
#[derive(Clone, Debug, Eq, PartialEq, FromLeStream)]
pub struct Response {
    status: u8,
    node_type: u8,
    parameters: Parameters,
}

impl Response {
    /// Returns the status of the response.
    ///
    /// # Errors
    ///
    /// Returns the raw status byte if it does not correspond to a known [`Status`].
    pub fn status(&self) -> Result<Status, u8> {
        Status::from_u8(self.status).ok_or(self.status)
    }

    /// Returns the node type of the response.
    ///
    /// # Errors
    ///
    /// Returns the raw node type byte if it does not correspond to a known [`Type`].
    pub fn node_type(&self) -> Result<Type, u8> {
        Type::from_u8(self.node_type).ok_or(self.node_type)
    }

    /// Returns the network parameters of the response.
    #[must_use]
    pub const fn parameters(&self) -> &Parameters {
        &self.parameters
    }

    /// Consumes the response and returns the network parameters.
    #[must_use]
    pub const fn into_parameters(self) -> Parameters {
        self.parameters
    }
}

impl Parameter for Response {
    const ID: u16 = ID;
}

/// Convert a response into a [`Type`] and [`Parameters`] tuple
/// or an appropriate [`Error`] depending on its status.
impl TryFrom<Response> for (Type, Parameters) {
    type Error = Error;

    fn try_from(response: Response) -> Result<Self, Self::Error> {
        match Status::from_u8(response.status).ok_or(response.status) {
            Ok(Status::Success) => Type::from_u8(response.node_type)
                .ok_or_else(|| ValueError::EmberNodeType(response.node_type).into())
                .map(|node_type| (node_type, response.parameters)),
            other => Err(other.into()),
        }
    }
}