Merge pull request #2093 from embassy-rs/net-wiznet-linkupdwon
net-wiznet: report link up/down on cable plug/unplug.
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commit
d622181205
@ -1,14 +1,14 @@
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//! [`embassy-net`](https://crates.io/crates/embassy-net) driver for WIZnet ethernet chips.
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#![no_std]
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#![feature(async_fn_in_trait)]
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#![doc = include_str!("../README.md")]
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pub mod chip;
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mod device;
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use embassy_futures::select::{select, Either};
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use embassy_futures::select::{select3, Either3};
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use embassy_net_driver_channel as ch;
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use embassy_net_driver_channel::driver::LinkState;
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use embassy_time::Timer;
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use embassy_time::{Duration, Ticker, Timer};
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use embedded_hal::digital::OutputPin;
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use embedded_hal_async::digital::Wait;
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use embedded_hal_async::spi::SpiDevice;
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@ -49,32 +49,34 @@ pub struct Runner<'d, C: Chip, SPI: SpiDevice, INT: Wait, RST: OutputPin> {
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impl<'d, C: Chip, SPI: SpiDevice, INT: Wait, RST: OutputPin> Runner<'d, C, SPI, INT, RST> {
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pub async fn run(mut self) -> ! {
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let (state_chan, mut rx_chan, mut tx_chan) = self.ch.split();
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let mut tick = Ticker::every(Duration::from_millis(500));
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loop {
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if self.mac.is_link_up().await {
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state_chan.set_link_state(LinkState::Up);
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loop {
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match select(
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async {
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self.int.wait_for_low().await.ok();
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rx_chan.rx_buf().await
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},
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tx_chan.tx_buf(),
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)
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.await
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{
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Either::First(p) => {
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if let Ok(n) = self.mac.read_frame(p).await {
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rx_chan.rx_done(n);
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}
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}
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Either::Second(p) => {
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self.mac.write_frame(p).await.ok();
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tx_chan.tx_done();
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}
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match select3(
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async {
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self.int.wait_for_low().await.ok();
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rx_chan.rx_buf().await
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},
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tx_chan.tx_buf(),
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tick.next(),
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)
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.await
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{
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Either3::First(p) => {
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if let Ok(n) = self.mac.read_frame(p).await {
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rx_chan.rx_done(n);
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}
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}
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Either3::Second(p) => {
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self.mac.write_frame(p).await.ok();
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tx_chan.tx_done();
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}
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Either3::Third(()) => {
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if self.mac.is_link_up().await {
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state_chan.set_link_state(LinkState::Up);
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} else {
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state_chan.set_link_state(LinkState::Down);
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}
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}
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} else {
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state_chan.set_link_state(LinkState::Down);
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}
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}
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}
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