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Merge #977

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977: Use firmware writer in stm32{f7, h7} example app r=lulf a=lulf

The new FirmwareWriter is useful in particular for these architectures due to the large erase sector size.

Co-authored-by: Ulf Lilleengen <ulf.lilleengen@gmail.com>
This commit is contained in:
bors[bot] 2022-09-26 18:47:05 +00:00 committed by GitHub
commit 7bbb4c22a1
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2 changed files with 17 additions and 17 deletions
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17
examples/boot/application/stm32f7/src/bin/a.rs
View File

@ -5,7 +5,6 @@
#[cfg(feature = "defmt-rtt")]
use defmt_rtt::*;
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, WRITE_SIZE};
@ -17,8 +16,7 @@ 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::unlock(p.FLASH);
let mut flash = BlockingAsync::new(flash);
let mut flash = Flash::unlock(p.FLASH);
let button = Input::new(p.PC13, Pull::Down);
let mut button = ExtiInput::new(button, p.EXTI13);
@ -27,16 +25,19 @@ async fn main(_spawner: Spawner) {
led.set_high();
let mut updater = FirmwareUpdater::default();
let mut writer = updater.prepare_update_blocking(&mut flash).unwrap();
button.wait_for_rising_edge().await;
let mut offset = 0;
let mut buf: [u8; 256 * 1024] = [0; 256 * 1024];
for chunk in APP_B.chunks(256 * 1024) {
buf[..chunk.len()].copy_from_slice(chunk);
updater.write_firmware(offset, &buf, &mut flash, 2048).await.unwrap();
let mut buf = AlignedBuffer([0; 4096]);
for chunk in APP_B.chunks(4096) {
buf.as_mut()[..chunk.len()].copy_from_slice(chunk);
writer
.write_block_blocking(offset, buf.as_ref(), &mut flash, chunk.len())
.unwrap();
offset += chunk.len();
}
let mut magic = AlignedBuffer([0; WRITE_SIZE]);
updater.mark_updated(&mut flash, magic.as_mut()).await.unwrap();
updater.mark_updated_blocking(&mut flash, magic.as_mut()).unwrap();
led.set_low();
cortex_m::peripheral::SCB::sys_reset();
}

17
examples/boot/application/stm32h7/src/bin/a.rs
View File

@ -5,7 +5,6 @@
#[cfg(feature = "defmt-rtt")]
use defmt_rtt::*;
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, WRITE_SIZE};
@ -17,8 +16,7 @@ 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::unlock(p.FLASH);
let mut flash = BlockingAsync::new(flash);
let mut flash = Flash::unlock(p.FLASH);
let button = Input::new(p.PC13, Pull::Down);
let mut button = ExtiInput::new(button, p.EXTI13);
@ -27,19 +25,20 @@ async fn main(_spawner: Spawner) {
led.set_high();
let mut updater = FirmwareUpdater::default();
let mut writer = updater.prepare_update_blocking(&mut flash).unwrap();
button.wait_for_rising_edge().await;
let mut offset = 0;
let mut buf = AlignedBuffer([0; 128 * 1024]);
for chunk in APP_B.chunks(128 * 1024) {
let mut buf = AlignedBuffer([0; 4096]);
for chunk in APP_B.chunks(4096) {
buf.as_mut()[..chunk.len()].copy_from_slice(chunk);
updater
.write_firmware(offset, buf.as_ref(), &mut flash, 2048)
.await
writer
.write_block_blocking(offset, buf.as_ref(), &mut flash, 4096)
.unwrap();
offset += chunk.len();
}
let mut magic = AlignedBuffer([0; WRITE_SIZE]);
updater.mark_updated(&mut flash, magic.as_mut()).await.unwrap();
updater.mark_updated_blocking(&mut flash, magic.as_mut()).unwrap();
led.set_low();
cortex_m::peripheral::SCB::sys_reset();
}