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This commit is contained in:
Vinzenz Schroeter 2024-05-12 13:51:41 +02:00
parent 0b28b24900
commit 01d1f1dad0
25 changed files with 461 additions and 1134 deletions
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66
src/connection.rs
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@ -1,66 +0,0 @@
use std::fmt::Debug;
use std::net::{ToSocketAddrs, UdpSocket};
use log::{debug, info};
use crate::Packet;
/// A connection to the display.
pub struct Connection {
socket: UdpSocket,
}
impl Connection {
/// Open a new UDP socket and connect to the provided host.
///
/// Note that this is UDP, which means that the open call can succeed even if the display is unreachable.
///
/// # Examples
/// ```rust
/// let connection = servicepoint2::Connection::open("172.23.42.29:2342")
/// .expect("connection failed");
/// ```
pub fn open(addr: impl ToSocketAddrs + Debug) -> std::io::Result<Self> {
info!("connecting to {addr:?}");
let socket = UdpSocket::bind("0.0.0.0:0")?;
socket.connect(addr)?;
Ok(Self { socket })
}
/// Send something packet-like to the display. Usually this is in the form of a Command.
///
/// # Arguments
///
/// * `packet`: the packet-like to send
///
/// returns: Ok if packet was sent, otherwise socket error
///
/// # Examples
///
/// ```rust
/// let connection = servicepoint2::Connection::open("172.23.42.29:2342")
/// .expect("connection failed");
///
/// // turn off all pixels
/// connection.send(servicepoint2::Command::Clear)
/// .expect("send failed");
///
/// // turn on all pixels
/// let mut pixels = servicepoint2::PixelGrid::max_sized();
/// pixels.fill(true);
///
/// // send pixels to display
/// connection.send(servicepoint2::Command::BitmapLinearWin(servicepoint2::Origin::top_left(), pixels))
/// .expect("send failed");
/// ```
pub fn send(
&self,
packet: impl Into<Packet> + Debug,
) -> Result<(), std::io::Error> {
debug!("sending {packet:?}");
let packet: Packet = packet.into();
let data: Vec<u8> = packet.into();
self.socket.send(&*data)?;
Ok(())
}
}