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