42 lines
1.1 KiB
Rust
42 lines
1.1 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 embedded_storage::nor_flash::{NorFlash, ReadNorFlash};
|
|
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 = 0x26000;
|
|
|
|
let mut f = Flash::new(p.FLASH).into_regions().bank1_region;
|
|
|
|
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 after erase: {=[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]);
|
|
}
|