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#![no_std]
#![no_main]
#![feature(type_alias_impl_trait)]
use defmt::*;
use embassy_executor::executor::Spawner;
use embassy_stm32::dma::NoDma;
use embassy_stm32::gpio::{Level, Output, Speed};
use embassy_stm32::spi::{Config, Spi};
use embassy_stm32::time::Hertz;
use {defmt_rtt as _, panic_probe as _};
#[embassy_executor::main]
async fn main(_spawner: Spawner) {
let p = embassy_stm32::init(Default::default());
info!("Hello World, folks!");
let mut spi = Spi::new(
p.SPI1,
p.PA5,
p.PA7,
p.PA6,
NoDma,
NoDma,
Hertz(1_000_000),
Config::default(),
);
let mut cs = Output::new(p.PA4, Level::High, Speed::VeryHigh);
loop {
let mut buf = [0x0Au8; 4];
cs.set_low();
unwrap!(spi.blocking_transfer_in_place(&mut buf));
cs.set_high();
info!("xfer {=[u8]:x}", buf);
}
}
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