44 lines
1.0 KiB
Rust
44 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 embassy_stm32::Peripherals;
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use embedded_storage::nor_flash::{NorFlash, ReadNorFlash};
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use defmt_rtt as _; // global logger
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use panic_probe as _;
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#[embassy::main]
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async fn main(_spawner: Spawner, p: Peripherals) {
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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 + 2048));
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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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