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Merge pull request #2657 from wyager/bootloader-softfail

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Add support for handling bootloader setup failure in `embassy-boot`
This commit is contained in:
Ulf Lilleengen 2024-03-04 05:04:30 +00:00 committed by GitHub
commit 49807c0e7f
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GPG key ID: B5690EEEBB952194
3 changed files with 34 additions and 13 deletions
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17
embassy-boot-nrf/src/lib.rs
View file

@ -4,8 +4,8 @@
mod fmt;
pub use embassy_boot::{
AlignedBuffer, BlockingFirmwareState, BlockingFirmwareUpdater, BootLoaderConfig, FirmwareState, FirmwareUpdater,
FirmwareUpdaterConfig,
AlignedBuffer, BlockingFirmwareState, BlockingFirmwareUpdater, BootError, BootLoaderConfig, FirmwareState,
FirmwareUpdater, FirmwareUpdaterConfig,
};
use embassy_nrf::nvmc::PAGE_SIZE;
use embassy_nrf::peripherals::WDT;
@ -16,14 +16,21 @@ use embedded_storage::nor_flash::{ErrorType, NorFlash, ReadNorFlash};
pub struct BootLoader<const BUFFER_SIZE: usize = PAGE_SIZE>;
impl<const BUFFER_SIZE: usize> BootLoader<BUFFER_SIZE> {
/// Inspect the bootloader state and perform actions required before booting, such as swapping firmware.
/// Inspect the bootloader state and perform actions required before booting, such as swapping firmware
pub fn prepare<ACTIVE: NorFlash, DFU: NorFlash, STATE: NorFlash>(
config: BootLoaderConfig<ACTIVE, DFU, STATE>,
) -> Self {
Self::try_prepare::<ACTIVE, DFU, STATE>(config).expect("Boot prepare error")
}
/// Inspect the bootloader state and perform actions required before booting, such as swapping firmware
pub fn try_prepare<ACTIVE: NorFlash, DFU: NorFlash, STATE: NorFlash>(
config: BootLoaderConfig<ACTIVE, DFU, STATE>,
) -> Result<Self, BootError> {
let mut aligned_buf = AlignedBuffer([0; BUFFER_SIZE]);
let mut boot = embassy_boot::BootLoader::new(config);
boot.prepare_boot(&mut aligned_buf.0).expect("Boot prepare error");
Self
let _state = boot.prepare_boot(aligned_buf.as_mut())?;
Ok(Self)
}
/// Boots the application without softdevice mechanisms.

15
embassy-boot-rp/src/lib.rs
View file

@ -4,8 +4,8 @@
mod fmt;
pub use embassy_boot::{
AlignedBuffer, BlockingFirmwareState, BlockingFirmwareUpdater, BootLoaderConfig, FirmwareState, FirmwareUpdater,
FirmwareUpdaterConfig, State,
AlignedBuffer, BlockingFirmwareState, BlockingFirmwareUpdater, BootError, BootLoaderConfig, FirmwareState,
FirmwareUpdater, FirmwareUpdaterConfig, State,
};
use embassy_rp::flash::{Blocking, Flash, ERASE_SIZE};
use embassy_rp::peripherals::{FLASH, WATCHDOG};
@ -21,10 +21,17 @@ impl<const BUFFER_SIZE: usize> BootLoader<BUFFER_SIZE> {
pub fn prepare<ACTIVE: NorFlash, DFU: NorFlash, STATE: NorFlash>(
config: BootLoaderConfig<ACTIVE, DFU, STATE>,
) -> Self {
Self::try_prepare::<ACTIVE, DFU, STATE>(config).expect("Boot prepare error")
}
/// Inspect the bootloader state and perform actions required before booting, such as swapping firmware
pub fn try_prepare<ACTIVE: NorFlash, DFU: NorFlash, STATE: NorFlash>(
config: BootLoaderConfig<ACTIVE, DFU, STATE>,
) -> Result<Self, BootError> {
let mut aligned_buf = AlignedBuffer([0; BUFFER_SIZE]);
let mut boot = embassy_boot::BootLoader::new(config);
boot.prepare_boot(aligned_buf.as_mut()).expect("Boot prepare error");
Self
let _state = boot.prepare_boot(aligned_buf.as_mut())?;
Ok(Self)
}
/// Boots the application.

15
embassy-boot-stm32/src/lib.rs
View file

@ -4,8 +4,8 @@
mod fmt;
pub use embassy_boot::{
AlignedBuffer, BlockingFirmwareState, BlockingFirmwareUpdater, BootLoaderConfig, FirmwareState, FirmwareUpdater,
FirmwareUpdaterConfig, State,
AlignedBuffer, BlockingFirmwareState, BlockingFirmwareUpdater, BootError, BootLoaderConfig, FirmwareState,
FirmwareUpdater, FirmwareUpdaterConfig, State,
};
use embedded_storage::nor_flash::NorFlash;
@ -20,10 +20,17 @@ impl BootLoader {
pub fn prepare<ACTIVE: NorFlash, DFU: NorFlash, STATE: NorFlash, const BUFFER_SIZE: usize>(
config: BootLoaderConfig<ACTIVE, DFU, STATE>,
) -> Self {
Self::try_prepare::<ACTIVE, DFU, STATE, BUFFER_SIZE>(config).expect("Boot prepare error")
}
/// Inspect the bootloader state and perform actions required before booting, such as swapping firmware
pub fn try_prepare<ACTIVE: NorFlash, DFU: NorFlash, STATE: NorFlash, const BUFFER_SIZE: usize>(
config: BootLoaderConfig<ACTIVE, DFU, STATE>,
) -> Result<Self, BootError> {
let mut aligned_buf = AlignedBuffer([0; BUFFER_SIZE]);
let mut boot = embassy_boot::BootLoader::new(config);
let state = boot.prepare_boot(aligned_buf.as_mut()).expect("Boot prepare error");
Self { state }
let state = boot.prepare_boot(aligned_buf.as_mut())?;
Ok(Self { state })
}
/// Boots the application.