embassy/examples/boot/stm32h7/src/bin/a.rs
Henrik Alsér e10fc2bada
Async shared bus for SPI & I2C + rename embassy-traits (#769)
* Rename embassy-traits to embassy-embedded-hal

* Rename embassy-traits to embassy-embedded-hal

* Add shared bus for SPI and I2C

* rustfmt

* EHA alpha 1

* Rename embedded-traits in examples

* rustfmt

* rustfmt

Co-authored-by: Henrik Alsér <henrik@mindbite.se>
2022-05-26 18:54:58 +02:00

45 lines
1.3 KiB
Rust

#![no_std]
#![no_main]
#![feature(type_alias_impl_trait)]
use embassy_boot_stm32::FirmwareUpdater;
use embassy_embedded_hal::adapter::BlockingAsync;
use embassy_stm32::exti::ExtiInput;
use embassy_stm32::flash::Flash;
use embassy_stm32::gpio::{Input, Level, Output, Pull, Speed};
use embassy_stm32::Peripherals;
use panic_reset as _;
#[cfg(feature = "defmt-rtt")]
use defmt_rtt::*;
static APP_B: &[u8] = include_bytes!("../../b.bin");
#[embassy::main]
async fn main(_s: embassy::executor::Spawner, p: Peripherals) {
let flash = Flash::unlock(p.FLASH);
let mut flash = BlockingAsync::new(flash);
let button = Input::new(p.PC13, Pull::Down);
let mut button = ExtiInput::new(button, p.EXTI13);
let mut led = Output::new(p.PB14, Level::Low, Speed::Low);
led.set_high();
let mut updater = FirmwareUpdater::default();
button.wait_for_rising_edge().await;
let mut offset = 0;
let mut buf: [u8; 128 * 1024] = [0; 128 * 1024];
for chunk in APP_B.chunks(128 * 1024) {
buf[..chunk.len()].copy_from_slice(chunk);
updater
.write_firmware(offset, &buf, &mut flash, 2048)
.await
.unwrap();
offset += chunk.len();
}
updater.update(&mut flash).await.unwrap();
led.set_low();
cortex_m::peripheral::SCB::sys_reset();
}