eep-now

main.rs

#![no_std]
#![no_main]
#![feature(type_alias_impl_trait)]
#![feature(extend_one)]
#![deny(
    clippy::mem_forget,
    reason = "mem::forget is generally not safe to do with esp_hal types, especially those \
    holding buffers for the duration of a data transfer."
)]

use esp_hal::clock::CpuClock;
use esp_hal::timer::systimer::SystemTimer;
use esp_hal::timer::timg::TimerGroup;

use embassy_executor::Spawner;
use embassy_time::{Duration, Ticker};

use panic_rtt_target as _;

extern crate alloc;

// This creates a default app-descriptor required by the esp-idf bootloader.
// For more information see: <https://docs.espressif.com/projects/esp-idf/en/stable/esp32/api-reference/system/app_image_format.html#application-description>
esp_bootloader_esp_idf::esp_app_desc!();

#[esp_hal_embassy::main]
async fn main(spawner: Spawner) {
    // generator version: 0.5.0

    rtt_target::rtt_init_defmt!();
    defmt::info!("RTT Init");

    let config = esp_hal::Config::default().with_cpu_clock(CpuClock::max());
    let peripherals = esp_hal::init(config);

    esp_alloc::heap_allocator!(size: 64 * 1024);

    let timer0 = SystemTimer::new(peripherals.SYSTIMER);
    esp_hal_embassy::init(timer0.alarm0);

    defmt::info!("Embassy Init");

    let rng = esp_hal::rng::Rng::new(peripherals.RNG);
    let timer1 = TimerGroup::new(peripherals.TIMG0);
    let wifi_init =
        esp_wifi::init(timer1.timer0, rng).expect("Failed to initialize WIFI/BLE controller");
    let (mut _wifi_controller, interfaces) = esp_wifi::wifi::new(&wifi_init, peripherals.WIFI)
        .expect("Failed to initialize WIFI controller");

    let esp_now = interfaces.esp_now;
    esp_now
        .set_channel(11)
        .expect("Error setting ESP-NOW channel");

    let _ = spawner;
    let mut count = 0_u32;
    let mut ticker = Ticker::every(Duration::from_secs(5));

    loop {
        defmt::info!("Tick [{}]", count);
        count += 1;
        ticker.next().await;
    }
}