66 lines
1.9 KiB
Rust
66 lines
1.9 KiB
Rust
#![no_std]
|
|
#![no_main]
|
|
#![feature(type_alias_impl_trait)]
|
|
|
|
use defmt::{info, unwrap};
|
|
use embassy_executor::Spawner;
|
|
use embassy_stm32::flash::{Blocking, 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!");
|
|
|
|
// Once can also call `into_regions()` to get access to NorFlash implementations
|
|
// for each of the unique characteristics.
|
|
let mut f = Flash::new_blocking(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<'_, Blocking>, offset: u32, size: u32) {
|
|
info!("Testing offset: {=u32:#X}, size: {=u32:#X}", offset, size);
|
|
|
|
info!("Reading...");
|
|
let mut buf = [0u8; 32];
|
|
unwrap!(f.blocking_read(offset, &mut buf));
|
|
info!("Read: {=[u8]:x}", buf);
|
|
|
|
info!("Erasing...");
|
|
unwrap!(f.blocking_erase(offset, offset + size));
|
|
|
|
info!("Reading...");
|
|
let mut buf = [0u8; 32];
|
|
unwrap!(f.blocking_read(offset, &mut buf));
|
|
info!("Read after erase: {=[u8]:x}", buf);
|
|
|
|
info!("Writing...");
|
|
unwrap!(f.blocking_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.blocking_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
|
|
]
|
|
);
|
|
}
|