embassy/examples/nrf/src/bin/nvmc.rs

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2021-10-22 02:09:55 +02:00
#![no_std]
#![no_main]
#![feature(type_alias_impl_trait)]
#[path = "../example_common.rs"]
mod example_common;
use embassy::executor::Spawner;
use embassy::time::{Duration, Timer};
use embassy_nrf::nvmc::Nvmc;
use embassy_nrf::Peripherals;
use embedded_storage::nor_flash::{NorFlash, ReadNorFlash};
use example_common::*;
#[embassy::main]
async fn main(_spawner: Spawner, p: Peripherals) {
info!("Hello NVMC!");
// probe-run breaks without this, I'm not sure why.
Timer::after(Duration::from_secs(1)).await;
let mut f = Nvmc::new(p.NVMC);
const ADDR: u32 = 0x80000;
info!("Reading...");
let mut buf = [0u8; 4];
unwrap!(f.read(ADDR, &mut buf));
info!("Read: {=[u8]:x}", buf);
info!("Erasing...");
unwrap!(f.erase(ADDR, ADDR + 4096));
info!("Reading...");
let mut buf = [0u8; 4];
unwrap!(f.read(ADDR, &mut buf));
info!("Read: {=[u8]:x}", buf);
info!("Writing...");
unwrap!(f.write(ADDR, &[1, 2, 3, 4]));
info!("Reading...");
let mut buf = [0u8; 4];
unwrap!(f.read(ADDR, &mut buf));
info!("Read: {=[u8]:x}", buf);
}