embassy/examples/stm32wl/src/bin/flash.rs

42 lines
1.0 KiB
Rust
Raw Normal View History

#![no_std]
#![no_main]
#![feature(type_alias_impl_trait)]
use defmt::{info, unwrap};
use embassy::executor::Spawner;
use embassy_stm32::flash::Flash;
use embassy_stm32::Peripherals;
use embedded_storage::nor_flash::{NorFlash, ReadNorFlash};
2022-06-12 22:15:44 +02:00
use {defmt_rtt as _, panic_probe as _};
#[embassy::main]
async fn main(_spawner: Spawner, p: Peripherals) {
info!("Hello Flash!");
2022-04-26 18:33:09 +02:00
const ADDR: u32 = 0x36000;
let mut f = Flash::unlock(p.FLASH);
info!("Reading...");
let mut buf = [0u8; 8];
unwrap!(f.read(ADDR, &mut buf));
info!("Read: {=[u8]:x}", buf);
info!("Erasing...");
unwrap!(f.erase(ADDR, ADDR + 2048));
info!("Reading...");
let mut buf = [0u8; 8];
unwrap!(f.read(ADDR, &mut buf));
info!("Read: {=[u8]:x}", buf);
info!("Writing...");
unwrap!(f.write(ADDR, &[1, 2, 3, 4, 5, 6, 7, 8]));
info!("Reading...");
let mut buf = [0u8; 8];
unwrap!(f.read(ADDR, &mut buf));
info!("Read: {=[u8]:x}", buf);
assert_eq!(&buf[..], &[1, 2, 3, 4, 5, 6, 7, 8]);
}