42 lines
1.0 KiB
Rust
42 lines
1.0 KiB
Rust
#![no_std]
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#![no_main]
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#![feature(type_alias_impl_trait)]
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use defmt::{info, unwrap};
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use embassy_executor::Spawner;
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use embassy_stm32::flash::Flash;
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use embedded_storage::nor_flash::{NorFlash, ReadNorFlash};
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use {defmt_rtt as _, panic_probe as _};
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#[embassy_executor::main]
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async fn main(_spawner: Spawner) {
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let p = embassy_stm32::init(Default::default());
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info!("Hello Flash!");
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const ADDR: u32 = 0x26000;
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let mut f = Flash::unlock(p.FLASH);
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info!("Reading...");
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let mut buf = [0u8; 8];
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unwrap!(f.read(ADDR, &mut buf));
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info!("Read: {=[u8]:x}", buf);
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info!("Erasing...");
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unwrap!(f.erase(ADDR, ADDR + 128));
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info!("Reading...");
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let mut buf = [0u8; 8];
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unwrap!(f.read(ADDR, &mut buf));
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info!("Read after erase: {=[u8]:x}", buf);
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info!("Writing...");
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unwrap!(f.write(ADDR, &[1, 2, 3, 4, 5, 6, 7, 8]));
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info!("Reading...");
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let mut buf = [0u8; 8];
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unwrap!(f.read(ADDR, &mut buf));
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info!("Read: {=[u8]:x}", buf);
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assert_eq!(&buf[..], &[1, 2, 3, 4, 5, 6, 7, 8]);
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}
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