use embedded_nal_async::TcpClientStack;
use embedded_nal_async_std::Stack;
async fn send_hello_world<STACK>(
stack: &mut STACK,
socket: &mut STACK::TcpSocket,
) -> Result<(), STACK::Error>
where
STACK: TcpClientStack,
{
stack.connect(socket, ([127, 0, 0, 1], 5223).into()).await?;
stack.send(socket, b"HELLO WORLD").await?;
let mut buffer = [0; 256];
let n = stack.receive(socket, &mut buffer).await?;
println!("<< {:?}", &buffer[..n]);
Ok(())
}
#[async_std::main]
async fn main() -> Result<(), async_std::io::Error> {
let mut stack = Stack::default();
let mut socket = stack.socket().await?;
send_hello_world(&mut stack, &mut socket).await?;
Ok(())
}