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|
#![no_std]
#![no_main]
teleprobe_meta::target!(b"rpi-pico");
use cyw43::JoinOptions;
use cyw43_pio::{DEFAULT_CLOCK_DIVIDER, PioSpi};
use defmt::{panic, *};
use embassy_executor::Spawner;
use embassy_net::{Config, StackResources};
use embassy_rp::gpio::{Level, Output};
use embassy_rp::peripherals::{DMA_CH0, PIO0};
use embassy_rp::pio::{InterruptHandler, Pio};
use embassy_rp::{bind_interrupts, rom_data};
use static_cell::StaticCell;
use {defmt_rtt as _, panic_probe as _};
bind_interrupts!(struct Irqs {
PIO0_IRQ_0 => InterruptHandler<PIO0>;
});
teleprobe_meta::timeout!(120);
// Test-only wifi network, no internet access!
const WIFI_NETWORK: &str = "EmbassyTestWPA2";
const WIFI_PASSWORD: &str = "V8YxhKt5CdIAJFud";
#[embassy_executor::task]
async fn wifi_task(runner: cyw43::Runner<'static, Output<'static>, PioSpi<'static, PIO0, 0, DMA_CH0>>) -> ! {
runner.run().await
}
#[embassy_executor::task]
async fn net_task(mut runner: embassy_net::Runner<'static, cyw43::NetDriver<'static>>) -> ! {
runner.run().await
}
#[embassy_executor::main]
async fn main(spawner: Spawner) {
info!("Hello World!");
let p = embassy_rp::init(Default::default());
// needed for reading the firmware from flash via XIP.
unsafe {
rom_data::flash_exit_xip();
rom_data::flash_enter_cmd_xip();
}
// cyw43 firmware needs to be flashed manually:
// probe-rs download 43439A0.bin --binary-format bin --chip RP2040 --base-address 0x101b0000
// probe-rs download 43439A0_btfw.bin --binary-format bin --chip RP2040 --base-address 0x101f0000
// probe-rs download 43439A0_clm.bin --binary-format bin --chip RP2040 --base-address 0x101f8000
let fw = unsafe { core::slice::from_raw_parts(0x101b0000 as *const u8, 231077) };
let _btfw = unsafe { core::slice::from_raw_parts(0x101f0000 as *const u8, 6164) };
let clm = unsafe { core::slice::from_raw_parts(0x101f8000 as *const u8, 984) };
let pwr = Output::new(p.PIN_23, Level::Low);
let cs = Output::new(p.PIN_25, Level::High);
let mut pio = Pio::new(p.PIO0, Irqs);
let spi = PioSpi::new(
&mut pio.common,
pio.sm0,
DEFAULT_CLOCK_DIVIDER,
pio.irq0,
cs,
p.PIN_24,
p.PIN_29,
p.DMA_CH0,
);
static STATE: StaticCell<cyw43::State> = StaticCell::new();
let state = STATE.init(cyw43::State::new());
let (net_device, mut control, runner) = cyw43::new(state, pwr, spi, fw).await;
spawner.spawn(unwrap!(wifi_task(runner)));
control.init(clm).await;
control
.set_power_management(cyw43::PowerManagementMode::PowerSave)
.await;
// Generate random seed
let seed = 0x0123_4567_89ab_cdef; // chosen by fair dice roll. guarenteed to be random.
// Init network stack
static RESOURCES: StaticCell<StackResources<2>> = StaticCell::new();
let (stack, runner) = embassy_net::new(
net_device,
Config::dhcpv4(Default::default()),
RESOURCES.init(StackResources::new()),
seed,
);
spawner.spawn(unwrap!(net_task(runner)));
loop {
match control
.join(WIFI_NETWORK, JoinOptions::new(WIFI_PASSWORD.as_bytes()))
.await
{
Ok(_) => break,
Err(err) => {
panic!("join failed: {:?}", err);
}
}
}
perf_client::run(
stack,
perf_client::Expected {
down_kbps: 200,
up_kbps: 200,
updown_kbps: 200,
},
)
.await;
info!("Test OK");
cortex_m::asm::bkpt();
}
|
