embassy/embassy-boot/boot/src/firmware_updater/mod.rs

50 lines
1.6 KiB
Rust

mod asynch;
mod blocking;
pub use asynch::{FirmwareState, FirmwareUpdater};
pub use blocking::{BlockingFirmwareState, BlockingFirmwareUpdater};
use embedded_storage::nor_flash::{NorFlashError, NorFlashErrorKind};
/// Firmware updater flash configuration holding the two flashes used by the updater
///
/// If only a single flash is actually used, then that flash should be partitioned into two partitions before use.
/// The easiest way to do this is to use [`FirmwareUpdaterConfig::from_linkerfile`] or [`FirmwareUpdaterConfig::from_linkerfile_blocking`] which will partition
/// the provided flash according to symbols defined in the linkerfile.
pub struct FirmwareUpdaterConfig<DFU, STATE> {
/// The dfu flash partition
pub dfu: DFU,
/// The state flash partition
pub state: STATE,
}
/// Errors returned by FirmwareUpdater
#[derive(Debug)]
pub enum FirmwareUpdaterError {
/// Error from flash.
Flash(NorFlashErrorKind),
/// Signature errors.
Signature(signature::Error),
/// Bad state.
BadState,
}
#[cfg(feature = "defmt")]
impl defmt::Format for FirmwareUpdaterError {
fn format(&self, fmt: defmt::Formatter) {
match self {
FirmwareUpdaterError::Flash(_) => defmt::write!(fmt, "FirmwareUpdaterError::Flash(_)"),
FirmwareUpdaterError::Signature(_) => defmt::write!(fmt, "FirmwareUpdaterError::Signature(_)"),
FirmwareUpdaterError::BadState => defmt::write!(fmt, "FirmwareUpdaterError::BadState"),
}
}
}
impl<E> From<E> for FirmwareUpdaterError
where
E: NorFlashError,
{
fn from(error: E) -> Self {
FirmwareUpdaterError::Flash(error.kind())
}
}