44 lines
1.7 KiB
Markdown
44 lines
1.7 KiB
Markdown
# Example usage
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Below some really basic usage how I am ca using it:
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```rust
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let mut w5500: Option<W5500> = W5500::with_initialisation(
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&mut cs_w5500, // borrowed for whole W5500 lifetime
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&mut spi, // borrowed for call to `with_initialisation` only
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OnWakeOnLan::Ignore,
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OnPingRequest::Respond,
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ConnectionType::Ethernet,
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ArpResponses::Cache,
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)
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.ok();
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if let Some(ref mut w5500) = w5500 {
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let mut w5500: ActiveW5500<_> = w5500.activate(&mut spi).unwrap();
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// using a 'locally administered' MAC address
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active.set_mac(MacAddress::new(0x02, 0x01, 0x02, 0x03, 0x04, 0x05)).unwrap();
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active.set_ip(IpAddress::new(192, 168, 0, 222)).unwrap();
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active.set_subnet(IpAddress::new(255, 255, 255, 0)).unwrap();
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active.set_gateway(IpAddress::new(192, 168, 0, 1)).unwrap();
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}
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let mut udp_server_socket: Option<UdpSocket> = w5500.as_mut().and_then(|w5500| {
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let mut w5500: ActiveW5500<_> = w5500.activate(&mut spi).ok()?;
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let socket0: UninitializedSocket = w5500.take_socket(Socket::Socket0)?;
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(&mut w5500, socket0).try_into_udp_server_socket(1234).ok()
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});
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let mut buffer = [0u8; 256];
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if let (Some(ref mut w5500), Some(ref socket)) = (
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w5500.as_mut().and_then(w5500.activate(&mut spi).ok()),
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udp_server_socket,
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) {
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if let Ok(Some((ip, port, len))) = (w5500, socket).receive(&mut buffer[..]) {
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let (request_buffer, response_buffer) = buffer.split_mut_at(len);
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// ... fill the response_buffer with some data ...
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(w5500, socket).blocking_send(ip, port, response_buffer[..response_len]).unwrap();
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}
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}
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```
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