embassy/examples/rp/src/bin/wifi_blinky.rs
2023-06-12 20:19:33 +02:00

60 lines
2.1 KiB
Rust

#![no_std]
#![no_main]
#![feature(type_alias_impl_trait)]
use cyw43_pio::PioSpi;
use defmt::*;
use embassy_executor::Spawner;
use embassy_rp::gpio::{Level, Output};
use embassy_rp::peripherals::{DMA_CH0, PIN_23, PIN_25, PIO0};
use embassy_rp::pio::Pio;
use embassy_time::{Duration, Timer};
use static_cell::make_static;
use {defmt_rtt as _, panic_probe as _};
#[embassy_executor::task]
async fn wifi_task(
runner: cyw43::Runner<'static, Output<'static, PIN_23>, PioSpi<'static, PIN_25, PIO0, 0, DMA_CH0>>,
) -> ! {
runner.run().await
}
#[embassy_executor::main]
async fn main(spawner: Spawner) {
let p = embassy_rp::init(Default::default());
let fw = include_bytes!("../../../../cyw43-firmware/43439A0.bin");
let clm = include_bytes!("../../../../cyw43-firmware/43439A0_clm.bin");
// To make flashing faster for development, you may want to flash the firmwares independently
// at hardcoded addresses, instead of baking them into the program with `include_bytes!`:
// probe-rs-cli download 43439A0.bin --format bin --chip RP2040 --base-address 0x10100000
// probe-rs-cli download 43439A0_clm.bin --format bin --chip RP2040 --base-address 0x10140000
//let fw = unsafe { core::slice::from_raw_parts(0x10100000 as *const u8, 224190) };
//let clm = unsafe { core::slice::from_raw_parts(0x10140000 as *const u8, 4752) };
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);
let spi = PioSpi::new(&mut pio.common, pio.sm0, pio.irq0, cs, p.PIN_24, p.PIN_29, p.DMA_CH0);
let state = make_static!(cyw43::State::new());
let (_net_device, mut control, runner) = cyw43::new(state, pwr, spi, fw).await;
unwrap!(spawner.spawn(wifi_task(runner)));
control.init(clm).await;
control
.set_power_management(cyw43::PowerManagementMode::PowerSave)
.await;
let delay = Duration::from_secs(1);
loop {
info!("led on!");
control.gpio_set(0, true).await;
Timer::after(delay).await;
info!("led off!");
control.gpio_set(0, false).await;
Timer::after(delay).await;
}
}