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Remove generic const expressions from embassy-boot

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* Remove the need for generic const expressions and use buffers provided in the flash config.
* Extend embedded-storage traits to simplify generics.
* Document all public APIs
* Add toplevel README
* Expose AlignedBuffer type for convenience.
* Update examples
This commit is contained in:
Ulf Lilleengen
2022-08-30 13:07:35 +02:00
parent 7542505cf9
commit 3ca7314476
16 changed files with 431 additions and 293 deletions
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16
examples/boot/application/stm32h7/src/bin/a.rs
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@ -4,11 +4,11 @@
#[cfg(feature = "defmt-rtt")]
use defmt_rtt::*;
use embassy_boot_stm32::FirmwareUpdater;
use embassy_boot_stm32::{AlignedBuffer, FirmwareUpdater};
use embassy_embedded_hal::adapter::BlockingAsync;
use embassy_executor::Spawner;
use embassy_stm32::exti::ExtiInput;
use embassy_stm32::flash::Flash;
use embassy_stm32::flash::{Flash, WRITE_SIZE};
use embassy_stm32::gpio::{Input, Level, Output, Pull, Speed};
use panic_reset as _;
@ -29,13 +29,17 @@ async fn main(_spawner: Spawner) {
let mut updater = FirmwareUpdater::default();
button.wait_for_rising_edge().await;
let mut offset = 0;
let mut buf: [u8; 128 * 1024] = [0; 128 * 1024];
let mut buf = AlignedBuffer([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();
buf.as_mut()[..chunk.len()].copy_from_slice(chunk);
updater
.write_firmware(offset, buf.as_ref(), &mut flash, 2048)
.await
.unwrap();
offset += chunk.len();
}
updater.update(&mut flash).await.unwrap();
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();
}