embassy/examples/stm32g0/src/bin/flash.rs
2023-12-21 15:03:57 +01:00

43 lines
1.1 KiB
Rust

#![no_std]
#![no_main]
use defmt::*;
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 World!");
let addr: u32 = 0x8000;
let mut f = Flash::new_blocking(p.FLASH).into_blocking_regions().bank1_region;
info!("Reading...");
let mut buf = [0u8; 32];
unwrap!(f.blocking_read(addr, &mut buf));
info!("Read: {=[u8]:x}", buf);
info!("Erasing...");
unwrap!(f.blocking_erase(addr, addr + 2 * 1024));
info!("Reading...");
let mut buf = [0u8; 32];
unwrap!(f.blocking_read(addr, &mut buf));
info!("Read after erase: {=[u8]:x}", buf);
info!("Writing...");
unwrap!(f.blocking_write(
addr,
&[
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(addr, &mut buf));
info!("Read: {=[u8]:x}", buf);
}