1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
|
#![no_std]
#![no_main]
#![feature(type_alias_impl_trait)]
#[path = "../example_common.rs"]
mod example_common;
use embassy::executor::Spawner;
use embassy_stm32::gpio::{Level, Output, Speed};
use embedded_hal::digital::v2::OutputPin;
use example_common::*;
use embassy_stm32::dma::NoDma;
use embassy_stm32::spi::{Config, Spi};
use embassy_stm32::time::Hertz;
use embassy_stm32::Peripherals;
use embedded_hal::blocking::spi::Transfer;
#[embassy::main]
async fn main(_spawner: Spawner, p: Peripherals) {
info!("Hello World, folks!");
let mut spi = Spi::new(
p.SPI1,
p.PB3,
p.PA7,
p.PA6,
NoDma,
NoDma,
Hertz(1_000_000),
Config::default(),
);
let mut cs = Output::new(p.PA15, Level::High, Speed::VeryHigh);
loop {
let mut buf = [0x0Au8; 4];
unwrap!(cs.set_low());
unwrap!(spi.transfer(&mut buf));
unwrap!(cs.set_high());
info!("xfer {=[u8]:x}", buf);
}
}
|
