rzw 0.1.0

Rust library for controling Z-Wave networks.
Documentation 
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use cmds::{CommandClass, Message};
use error::{Error, ErrorKind};


#[derive(Debug, Clone)]
pub struct Basic;

impl Basic {
    /// Generate the message for the basic Command Class with
    /// the function to set a value.
    pub fn set(node_id: u8, value: u8) -> Message {
        Message::new(node_id, CommandClass::BASIC, 0x01, vec!(value))
    }

    /// Generate the message for the basic Command Class with
    /// the function to get a value.
    pub fn get(node_id: u8) -> Message {
        Message::new(node_id, CommandClass::BASIC, 0x02, vec!())
    }

    /// Returns the basic node value
    pub fn report<M>(msg: M) -> Result<u8, Error>
    where M: Into<Vec<u8>> {
        // get the message
        let msg = msg.into();

        // the message need to be exact 6 digits long
        if msg.len() != 6 {
            return Err(Error::new(ErrorKind::UnknownZWave, "Message is to short"));
        }

        // check the CommandClass and command
        if msg[3] != CommandClass::BASIC as u8 || msg[4] != 0x03 {
            return Err(Error::new(ErrorKind::UnknownZWave, "Answer contained wrong command class"));
        }

        // return the value
        Ok(msg[5])
    }
}