44 lines
1.5 KiB
Rust
44 lines
1.5 KiB
Rust
#![no_std]
|
|
#![no_main]
|
|
#![feature(type_alias_impl_trait)]
|
|
|
|
#[cfg(feature = "defmt-rtt")]
|
|
use defmt_rtt::*;
|
|
use embassy_boot_stm32::{AlignedBuffer, FirmwareUpdater, FirmwareUpdaterConfig};
|
|
use embassy_embedded_hal::adapter::BlockingAsync;
|
|
use embassy_executor::Spawner;
|
|
use embassy_stm32::exti::ExtiInput;
|
|
use embassy_stm32::flash::{Flash, WRITE_SIZE};
|
|
use embassy_stm32::gpio::{Input, Level, Output, Pull, Speed};
|
|
use panic_reset as _;
|
|
|
|
static APP_B: &[u8] = include_bytes!("../../b.bin");
|
|
|
|
#[embassy_executor::main]
|
|
async fn main(_spawner: Spawner) {
|
|
let p = embassy_stm32::init(Default::default());
|
|
let flash = Flash::new_blocking(p.FLASH);
|
|
let flash = Mutex::new(BlockingAsync::new(flash));
|
|
|
|
let button = Input::new(p.PC13, Pull::Up);
|
|
let mut button = ExtiInput::new(button, p.EXTI13);
|
|
|
|
let mut led = Output::new(p.PB14, Level::Low, Speed::Low);
|
|
led.set_high();
|
|
|
|
let config = FirmwareUpdaterConfig::from_linkerfile(&flash);
|
|
let mut updater = FirmwareUpdater::new(config);
|
|
button.wait_for_falling_edge().await;
|
|
let mut offset = 0;
|
|
for chunk in APP_B.chunks(2048) {
|
|
let mut buf: [u8; 2048] = [0; 2048];
|
|
buf[..chunk.len()].copy_from_slice(chunk);
|
|
updater.write_firmware(offset, &buf).await.unwrap();
|
|
offset += chunk.len();
|
|
}
|
|
let mut magic = AlignedBuffer([0; WRITE_SIZE]);
|
|
updater.mark_updated(&mut flash, magic.as_mut()).await.unwrap();
|
|
led.set_low();
|
|
cortex_m::peripheral::SCB::sys_reset();
|
|
}
|