embassy/embassy-usb-dfu/src/lib.rs
2023-12-19 16:33:05 +01:00

56 lines
1.4 KiB
Rust

#![no_std]
#![doc = include_str!("../README.md")]
#![warn(missing_docs)]
mod fmt;
pub mod consts;
#[cfg(feature = "dfu")]
mod dfu;
#[cfg(feature = "dfu")]
pub use self::dfu::*;
#[cfg(feature = "application")]
mod application;
#[cfg(feature = "application")]
pub use self::application::*;
#[cfg(any(
all(feature = "dfu", feature = "application"),
not(any(feature = "dfu", feature = "application"))
))]
compile_error!("usb-dfu must be compiled with exactly one of `dfu`, or `application` features");
/// Provides a platform-agnostic interface for initiating a system reset.
///
/// This crate exposes `ResetImmediate` when compiled with cortex-m or esp32c3 support, which immediately issues a
/// reset request without interfacing with any other peripherals.
///
/// If alternate behaviour is desired, a custom implementation of Reset can be provided as a type argument to the usb_dfu function.
pub trait Reset {
/// Reset the device.
fn sys_reset() -> !;
}
/// Reset immediately.
#[cfg(feature = "esp32c3-hal")]
pub struct ResetImmediate;
#[cfg(feature = "esp32c3-hal")]
impl Reset for ResetImmediate {
fn sys_reset() -> ! {
esp32c3_hal::reset::software_reset();
loop {}
}
}
/// Reset immediately.
#[cfg(feature = "cortex-m")]
pub struct ResetImmediate;
#[cfg(feature = "cortex-m")]
impl Reset for ResetImmediate {
fn sys_reset() -> ! {
cortex_m::peripheral::SCB::sys_reset()
}
}