42 lines
870 B
Rust
42 lines
870 B
Rust
#![no_std]
|
|
#![no_main]
|
|
#![feature(type_alias_impl_trait)]
|
|
|
|
use defmt_rtt as _; // global logger
|
|
use panic_probe as _;
|
|
|
|
use cortex_m_rt::entry;
|
|
use defmt::*;
|
|
use embassy_stm32::dma::NoDma;
|
|
use embassy_stm32::gpio::{Level, Output, Speed};
|
|
use embassy_stm32::spi::{Config, Spi};
|
|
use embassy_stm32::time::Hertz;
|
|
|
|
#[entry]
|
|
fn main() -> ! {
|
|
info!("Hello World, dude!");
|
|
|
|
let p = embassy_stm32::init(Default::default());
|
|
|
|
let mut spi = Spi::new(
|
|
p.SPI3,
|
|
p.PC10,
|
|
p.PC12,
|
|
p.PC11,
|
|
NoDma,
|
|
NoDma,
|
|
Hertz(1_000_000),
|
|
Config::default(),
|
|
);
|
|
|
|
let mut cs = Output::new(p.PE0, 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);
|
|
}
|
|
}
|