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panic: turn red leds on

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This commit is contained in:
Robert Jördens 2019-06-07 11:26:24 +02:00
parent a8e2d616bb
commit 8ee0950005
1 changed files with 9 additions and 1 deletions
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10
src/main.rs
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@ -4,8 +4,16 @@
// Enable returning `!` // Enable returning `!`
#![feature(never_type)] #![feature(never_type)]
#[inline(never)]
#[panic_handler]
#[cfg(not(feature = "semihosting"))] #[cfg(not(feature = "semihosting"))]
extern crate panic_abort; fn panic(_info: &core::panic::PanicInfo) -> ! {
let dp = unsafe { pac::Peripherals::steal() };
dp.GPIOD.odr.modify(|_, w| w.odr6().high()); // FP_LED_1
dp.GPIOG.odr.modify(|_, w| w.odr4().high()); // FP_LED_3
loop { core::sync::atomic::compiler_fence(core::sync::atomic::Ordering::SeqCst); }
}
#[cfg(feature = "semihosting")] #[cfg(feature = "semihosting")]
extern crate panic_semihosting; extern crate panic_semihosting;