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|
#![no_std]
#![no_main]
use core::mem::MaybeUninit;
use core::net::IpAddr;
use core::ptr::addr_of_mut;
use core::slice;
use core::str::FromStr;
use defmt::{info, unwrap, warn};
use embassy_executor::Spawner;
use embassy_net::{Ipv4Cidr, Stack, StackResources};
use embassy_net_nrf91::context::Status;
use embassy_net_nrf91::{context, Runner, State, TraceBuffer, TraceReader};
use embassy_nrf::buffered_uarte::{self, BufferedUarteTx};
use embassy_nrf::gpio::{AnyPin, Level, Output, OutputDrive};
use embassy_nrf::uarte::Baudrate;
use embassy_nrf::{bind_interrupts, interrupt, peripherals, uarte, Peri};
use embassy_time::{Duration, Timer};
use embedded_io_async::Write;
use heapless::Vec;
use static_cell::StaticCell;
use {defmt_rtt as _, panic_probe as _};
#[interrupt]
fn IPC() {
embassy_net_nrf91::on_ipc_irq();
}
bind_interrupts!(struct Irqs {
SERIAL0 => buffered_uarte::InterruptHandler<peripherals::SERIAL0>;
});
#[embassy_executor::task]
async fn trace_task(mut uart: BufferedUarteTx<'static>, reader: TraceReader<'static>) -> ! {
let mut rx = [0u8; 1024];
loop {
let n = reader.read(&mut rx[..]).await;
unwrap!(uart.write_all(&rx[..n]).await);
}
}
#[embassy_executor::task]
async fn modem_task(runner: Runner<'static>) -> ! {
runner.run().await
}
#[embassy_executor::task]
async fn net_task(mut runner: embassy_net::Runner<'static, embassy_net_nrf91::NetDriver<'static>>) -> ! {
runner.run().await
}
#[embassy_executor::task]
async fn control_task(
control: &'static context::Control<'static>,
config: context::Config<'static>,
stack: Stack<'static>,
) {
unwrap!(control.configure(&config).await);
unwrap!(
control
.run(|status| {
stack.set_config_v4(status_to_config(status));
})
.await
);
}
fn status_to_config(status: &Status) -> embassy_net::ConfigV4 {
let Some(IpAddr::V4(addr)) = status.ip else {
panic!("Unexpected IP address");
};
let gateway = match status.gateway {
Some(IpAddr::V4(addr)) => Some(addr),
_ => None,
};
let mut dns_servers = Vec::new();
for dns in status.dns.iter() {
if let IpAddr::V4(ip) = dns {
unwrap!(dns_servers.push(*ip));
}
}
embassy_net::ConfigV4::Static(embassy_net::StaticConfigV4 {
address: Ipv4Cidr::new(addr, 32),
gateway,
dns_servers,
})
}
#[embassy_executor::task]
async fn blink_task(pin: Peri<'static, AnyPin>) {
let mut led = Output::new(pin, Level::Low, OutputDrive::Standard);
loop {
led.set_high();
Timer::after_millis(1000).await;
led.set_low();
Timer::after_millis(1000).await;
}
}
extern "C" {
static __start_ipc: u8;
static __end_ipc: u8;
}
#[embassy_executor::main]
async fn main(spawner: Spawner) {
let p = embassy_nrf::init(Default::default());
info!("Hello World!");
spawner.spawn(unwrap!(blink_task(p.P0_02.into())));
let ipc_mem = unsafe {
let ipc_start = &__start_ipc as *const u8 as *mut MaybeUninit<u8>;
let ipc_end = &__end_ipc as *const u8 as *mut MaybeUninit<u8>;
let ipc_len = ipc_end.offset_from(ipc_start) as usize;
slice::from_raw_parts_mut(ipc_start, ipc_len)
};
static mut TRACE_BUF: [u8; 4096] = [0u8; 4096];
let mut config = uarte::Config::default();
config.baudrate = Baudrate::BAUD1M;
let uart = BufferedUarteTx::new(
//let trace_uart = BufferedUarteTx::new(
unsafe { peripherals::SERIAL0::steal() },
unsafe { peripherals::P0_01::steal() },
Irqs,
//unsafe { peripherals::P0_14::steal() },
config,
unsafe { &mut *addr_of_mut!(TRACE_BUF) },
);
static STATE: StaticCell<State> = StaticCell::new();
static TRACE: StaticCell<TraceBuffer> = StaticCell::new();
let (device, control, runner, tracer) =
embassy_net_nrf91::new_with_trace(STATE.init(State::new()), ipc_mem, TRACE.init(TraceBuffer::new())).await;
spawner.spawn(unwrap!(modem_task(runner)));
spawner.spawn(unwrap!(trace_task(uart, tracer)));
let config = embassy_net::Config::default();
// Generate "random" seed. nRF91 has no RNG, TODO figure out something...
let seed = 123456;
// Init network stack
static RESOURCES: StaticCell<StackResources<2>> = StaticCell::new();
let (stack, runner) = embassy_net::new(device, config, RESOURCES.init(StackResources::<2>::new()), seed);
spawner.spawn(unwrap!(net_task(runner)));
static CONTROL: StaticCell<context::Control<'static>> = StaticCell::new();
let control = CONTROL.init(context::Control::new(control, 0).await);
spawner.spawn(unwrap!(control_task(
control,
context::Config {
apn: b"iot.nat.es",
auth_prot: context::AuthProt::Pap,
auth: Some((b"orange", b"orange")),
pin: None,
},
stack
)));
stack.wait_config_up().await;
let mut rx_buffer = [0; 4096];
let mut tx_buffer = [0; 4096];
loop {
let mut socket = embassy_net::tcp::TcpSocket::new(stack, &mut rx_buffer, &mut tx_buffer);
socket.set_timeout(Some(Duration::from_secs(10)));
info!("Connecting...");
let host_addr = embassy_net::Ipv4Address::from_str("45.79.112.203").unwrap();
if let Err(e) = socket.connect((host_addr, 4242)).await {
warn!("connect error: {:?}", e);
Timer::after_secs(10).await;
continue;
}
info!("Connected to {:?}", socket.remote_endpoint());
let msg = b"Hello world!\n";
for _ in 0..10 {
if let Err(e) = socket.write_all(msg).await {
warn!("write error: {:?}", e);
break;
}
info!("txd: {}", core::str::from_utf8(msg).unwrap());
Timer::after_secs(1).await;
}
Timer::after_secs(4).await;
}
}
|
