46 lines
1.2 KiB
Rust
46 lines
1.2 KiB
Rust
#![no_std]
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#![no_main]
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use core::mem::MaybeUninit;
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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 embassy_stm32::SharedData;
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use {defmt_rtt as _, panic_probe as _};
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#[link_section = ".shared_data"]
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static SHARED_DATA: MaybeUninit<SharedData> = MaybeUninit::uninit();
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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_primary(Default::default(), &SHARED_DATA);
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info!("Hello Flash!");
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const ADDR: u32 = 0x36000;
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let mut f = Flash::new_blocking(p.FLASH).into_blocking_regions().bank1_region;
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info!("Reading...");
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let mut buf = [0u8; 8];
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unwrap!(f.blocking_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.blocking_erase(ADDR, ADDR + 2048));
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info!("Reading...");
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let mut buf = [0u8; 8];
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unwrap!(f.blocking_read(ADDR, &mut buf));
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info!("Read: {=[u8]:x}", buf);
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info!("Writing...");
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unwrap!(f.blocking_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.blocking_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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