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#![no_std]
#![no_main]
use defmt::*;
use embassy_executor::Spawner;
use embassy_stm32::eth::{Ethernet, PacketQueue, StationManagement};
use embassy_stm32::time::Hertz;
use embassy_stm32::{Config, bind_interrupts, eth, peripherals, rng};
use embassy_time::Timer;
use static_cell::StaticCell;
use {defmt_rtt as _, panic_probe as _};
bind_interrupts!(struct Irqs {
ETH => eth::InterruptHandler;
HASH_RNG => rng::InterruptHandler<peripherals::RNG>;
});
#[embassy_executor::main]
async fn main(_spawner: Spawner) -> ! {
let mut config = Config::default();
{
use embassy_stm32::rcc::*;
config.rcc.hse = Some(Hse {
freq: Hertz(8_000_000),
mode: HseMode::Bypass,
});
config.rcc.pll_src = PllSource::HSE;
config.rcc.pll = Some(Pll {
prediv: PllPreDiv::DIV4,
mul: PllMul::MUL180,
divp: Some(PllPDiv::DIV2), // 8mhz / 4 * 180 / 2 = 180Mhz.
divq: None,
divr: None,
});
config.rcc.ahb_pre = AHBPrescaler::DIV1;
config.rcc.apb1_pre = APBPrescaler::DIV4;
config.rcc.apb2_pre = APBPrescaler::DIV2;
config.rcc.sys = Sysclk::PLL1_P;
}
let p = embassy_stm32::init(config);
info!("Hello Compliance World!");
let mac_addr = [0x00, 0x00, 0xDE, 0xAD, 0xBE, 0xEF];
static PACKETS: StaticCell<PacketQueue<4, 4>> = StaticCell::new();
let mut device = Ethernet::new(
PACKETS.init(PacketQueue::<4, 4>::new()),
p.ETH,
Irqs,
p.PA1,
p.PA7,
p.PC4,
p.PC5,
p.PG13,
p.PB13,
p.PG11,
mac_addr,
p.ETH_SMA,
p.PA2,
p.PC1,
);
let sm = device.phy_mut().station_management();
const PHY_ADDR: u8 = 0;
// Just an example. Exact register settings depend on the specific PHY and test.
sm.smi_write(PHY_ADDR, 0, 0x2100);
sm.smi_write(PHY_ADDR, 11, 0xA000);
// NB: Remember to reset the PHY after testing before starting the networking stack
loop {
Timer::after_secs(1).await;
}
}
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