embassy/examples/stm32wl/src/bin/flash.rs
Rasmus Melchior Jacobsen 8938d928f8 Fix examples
2023-05-25 22:36:56 +02:00

41 lines
1.0 KiB
Rust

#![no_std]
#![no_main]
#![feature(type_alias_impl_trait)]
use defmt::{info, unwrap};
use embassy_executor::Spawner;
use embassy_stm32::flash::Flash;
use {defmt_rtt as _, panic_probe as _};
#[embassy_executor::main]
async fn main(_spawner: Spawner) {
let p = embassy_stm32::init(Default::default());
info!("Hello Flash!");
const ADDR: u32 = 0x36000;
let mut f = Flash::new_blocking(p.FLASH).into_blocking_regions().bank1_region;
info!("Reading...");
let mut buf = [0u8; 8];
unwrap!(f.blocking_read(ADDR, &mut buf));
info!("Read: {=[u8]:x}", buf);
info!("Erasing...");
unwrap!(f.blocking_erase(ADDR, ADDR + 2048));
info!("Reading...");
let mut buf = [0u8; 8];
unwrap!(f.blocking_read(ADDR, &mut buf));
info!("Read: {=[u8]:x}", buf);
info!("Writing...");
unwrap!(f.blocking_write(ADDR, &[1, 2, 3, 4, 5, 6, 7, 8]));
info!("Reading...");
let mut buf = [0u8; 8];
unwrap!(f.blocking_read(ADDR, &mut buf));
info!("Read: {=[u8]:x}", buf);
assert_eq!(&buf[..], &[1, 2, 3, 4, 5, 6, 7, 8]);
}