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|
#![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!");
let mut f = Flash::new(p.FLASH);
// Sector 5
test_flash(&mut f, 128 * 1024, 128 * 1024);
// Sectors 11..=16, across banks (128K, 16K, 16K, 16K, 16K, 64K)
test_flash(&mut f, (1024 - 128) * 1024, 256 * 1024);
// Sectors 23, last in bank 2
test_flash(&mut f, (2048 - 128) * 1024, 128 * 1024);
}
fn test_flash(f: &mut Flash, offset: u32, size: u32) {
info!("Testing offset: {=u32:#X}, size: {=u32:#X}", offset, size);
info!("Reading...");
let mut buf = [0u8; 32];
unwrap!(f.read(offset, &mut buf));
info!("Read: {=[u8]:x}", buf);
info!("Erasing...");
unwrap!(f.erase(offset, offset + size));
info!("Reading...");
let mut buf = [0u8; 32];
unwrap!(f.read(offset, &mut buf));
info!("Read after erase: {=[u8]:x}", buf);
info!("Writing...");
unwrap!(f.write(
offset,
&[
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
]
));
info!("Reading...");
let mut buf = [0u8; 32];
unwrap!(f.read(offset, &mut buf));
info!("Read: {=[u8]:x}", buf);
assert_eq!(
&buf[..],
&[
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
]
);
}
|
