72 lines
1.9 KiB
Rust
72 lines
1.9 KiB
Rust
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#[cfg(feature = "nightly")]
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mod asynch;
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mod blocking;
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use embedded_storage::nor_flash::{NorFlashError, NorFlashErrorKind};
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use crate::Partition;
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/// Errors returned by FirmwareUpdater
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#[derive(Debug)]
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pub enum FirmwareUpdaterError {
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/// Error from flash.
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Flash(NorFlashErrorKind),
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/// Signature errors.
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Signature(signature::Error),
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}
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#[cfg(feature = "defmt")]
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impl defmt::Format for FirmwareUpdaterError {
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fn format(&self, fmt: defmt::Formatter) {
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match self {
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FirmwareUpdaterError::Flash(_) => defmt::write!(fmt, "FirmwareUpdaterError::Flash(_)"),
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FirmwareUpdaterError::Signature(_) => defmt::write!(fmt, "FirmwareUpdaterError::Signature(_)"),
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}
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}
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}
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impl<E> From<E> for FirmwareUpdaterError
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where
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E: NorFlashError,
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{
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fn from(error: E) -> Self {
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FirmwareUpdaterError::Flash(error.kind())
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}
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}
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/// FirmwareUpdater is an application API for interacting with the BootLoader without the ability to
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/// 'mess up' the internal bootloader state
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pub struct FirmwareUpdater {
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state: Partition,
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dfu: Partition,
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}
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#[cfg(target_os = "none")]
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impl Default for FirmwareUpdater {
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fn default() -> Self {
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extern "C" {
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static __bootloader_state_start: u32;
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static __bootloader_state_end: u32;
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static __bootloader_dfu_start: u32;
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static __bootloader_dfu_end: u32;
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}
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let dfu = unsafe {
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Partition::new(
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&__bootloader_dfu_start as *const u32 as u32,
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&__bootloader_dfu_end as *const u32 as u32,
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)
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};
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let state = unsafe {
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Partition::new(
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&__bootloader_state_start as *const u32 as u32,
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&__bootloader_state_end as *const u32 as u32,
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)
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};
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trace!("DFU: 0x{:x} - 0x{:x}", dfu.from, dfu.to);
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trace!("STATE: 0x{:x} - 0x{:x}", state.from, state.to);
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FirmwareUpdater::new(dfu, state)
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}
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}
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