b1245858f3
We shouldn't use `unsafe` to mark merely "dangerous" actions, only actions that actually cause UB.
77 lines
2.1 KiB
Rust
77 lines
2.1 KiB
Rust
#![no_std]
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#![no_main]
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use defmt::*;
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use embassy_executor::Spawner;
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use embassy_stm32::eth::{Ethernet, GenericPhy, PacketQueue, StationManagement};
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use embassy_stm32::time::Hertz;
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use embassy_stm32::{bind_interrupts, eth, peripherals, rng, Config};
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use embassy_time::Timer;
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use static_cell::StaticCell;
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use {defmt_rtt as _, panic_probe as _};
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bind_interrupts!(struct Irqs {
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ETH => eth::InterruptHandler;
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HASH_RNG => rng::InterruptHandler<peripherals::RNG>;
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});
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#[embassy_executor::main]
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async fn main(_spawner: Spawner) -> ! {
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let mut config = Config::default();
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{
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use embassy_stm32::rcc::*;
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config.rcc.hse = Some(Hse {
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freq: Hertz(8_000_000),
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mode: HseMode::Bypass,
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});
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config.rcc.pll_src = PllSource::HSE;
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config.rcc.pll = Some(Pll {
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prediv: PllPreDiv::DIV4,
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mul: PllMul::MUL180,
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divp: Some(PllPDiv::DIV2), // 8mhz / 4 * 180 / 2 = 180Mhz.
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divq: None,
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divr: None,
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});
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config.rcc.ahb_pre = AHBPrescaler::DIV1;
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config.rcc.apb1_pre = APBPrescaler::DIV4;
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config.rcc.apb2_pre = APBPrescaler::DIV2;
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config.rcc.sys = Sysclk::PLL1_P;
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}
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let p = embassy_stm32::init(config);
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info!("Hello Compliance World!");
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let mac_addr = [0x00, 0x00, 0xDE, 0xAD, 0xBE, 0xEF];
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const PHY_ADDR: u8 = 0;
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static PACKETS: StaticCell<PacketQueue<4, 4>> = StaticCell::new();
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let mut device = Ethernet::new(
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PACKETS.init(PacketQueue::<4, 4>::new()),
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p.ETH,
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Irqs,
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p.PA1,
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p.PA2,
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p.PC1,
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p.PA7,
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p.PC4,
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p.PC5,
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p.PG13,
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p.PB13,
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p.PG11,
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GenericPhy::new(PHY_ADDR),
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mac_addr,
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);
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let sm = device.station_management();
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// Just an example. Exact register settings depend on the specific PHY and test.
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sm.smi_write(PHY_ADDR, 0, 0x2100);
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sm.smi_write(PHY_ADDR, 11, 0xA000);
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// NB: Remember to reset the PHY after testing before starting the networking stack
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loop {
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Timer::after_secs(1).await;
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}
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}
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