w5100-rs/src/w5500.rs
Jonah Dahlquist 95ca1be001 Ran formatting
2021-02-18 19:12:57 -08:00

93 lines
2.8 KiB
Rust

use crate::inactive_w5500::InactiveW5500;
use crate::uninitialized_w5500::UninitializedW5500;
use bus::{ActiveBus, ActiveFourWire, ActiveThreeWire, FourWire, ThreeWire};
use embedded_hal::digital::v2::OutputPin;
use embedded_hal::spi::FullDuplex;
use network::Network;
use register;
use socket::{OwnedSockets, Socket, Sockets};
use udp::UdpSocket;
pub struct W5500<SpiBus: ActiveBus, NetworkImpl: Network> {
bus: SpiBus,
network: NetworkImpl,
sockets: OwnedSockets,
}
impl<SpiBus: ActiveBus, NetworkImpl: Network> W5500<SpiBus, NetworkImpl> {
pub fn new(bus: SpiBus, network: NetworkImpl, sockets: OwnedSockets) -> Self {
W5500 {
bus,
network,
sockets,
}
}
pub fn sockets(&mut self) -> Sockets {
(
&mut self.sockets.0,
&mut self.sockets.1,
&mut self.sockets.2,
&mut self.sockets.3,
&mut self.sockets.4,
&mut self.sockets.5,
&mut self.sockets.6,
&mut self.sockets.7,
)
}
pub fn reset(mut self) -> Result<UninitializedW5500<SpiBus>, SpiBus::Error> {
self.clear_mode()?;
Ok(UninitializedW5500::new(self.bus))
}
fn clear_mode(&mut self) -> Result<(), SpiBus::Error> {
// reset bit
let mut mode = [0b10000000];
block!(self
.bus
.transfer_frame(register::COMMON, register::common::MODE, true, &mut mode))?;
Ok(())
}
pub fn open_udp_socket<'a, SocketImpl: Socket>(
self,
port: u16,
socket: &'a mut SocketImpl,
) -> Result<UdpSocket<'a, SpiBus, NetworkImpl, SocketImpl>, OpenSocketError<SpiBus::Error>>
{
if socket.is_owned_by(&self.sockets) {
UdpSocket::new(port, self.bus, self.network, self.sockets, socket)
.map_err(|e| OpenSocketError::BusError(e))
} else {
Err(OpenSocketError::ForeignSocketError)
}
}
pub fn release(self) -> (SpiBus, NetworkImpl, OwnedSockets) {
(self.bus, self.network, self.sockets)
}
}
impl<Spi: FullDuplex<u8>, ChipSelect: OutputPin, NetworkImpl: Network>
W5500<ActiveFourWire<Spi, ChipSelect>, NetworkImpl>
{
pub fn deactivate(self) -> (InactiveW5500<FourWire<ChipSelect>, NetworkImpl>, Spi) {
let (bus, spi) = self.bus.deactivate();
(InactiveW5500::new(bus, self.network, self.sockets), spi)
}
}
impl<Spi: FullDuplex<u8>, NetworkImpl: Network> W5500<ActiveThreeWire<Spi>, NetworkImpl> {
pub fn deactivate(self) -> (InactiveW5500<ThreeWire, NetworkImpl>, Spi) {
let (bus, spi) = self.bus.deactivate();
(InactiveW5500::new(bus, self.network, self.sockets), spi)
}
}
pub enum OpenSocketError<BusError> {
ForeignSocketError,
BusError(BusError),
}
pub struct ForeignSocketError {}