44 lines
893 B
Rust
44 lines
893 B
Rust
//! Changing the panic handler
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//!
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//! The easiest way to change the panic handler is to use a different [panic handler crate][0].
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//!
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//! [0]: https://crates.io/keywords/panic-impl
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//!
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//! ---
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#![no_main]
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#![no_std]
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#[macro_use]
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extern crate cortex_m_rt as rt;
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// Pick one of these two panic handlers:
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// Reports panic messages to the host stderr using semihosting
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extern crate panic_semihosting;
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// Logs panic messages using the ITM (Instrumentation Trace Macrocell)
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// extern crate panic_itm;
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use rt::ExceptionFrame;
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entry!(main);
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fn main() -> ! {
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panic!("Oops")
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}
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// define the hard fault handler
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exception!(HardFault, hard_fault);
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fn hard_fault(ef: &ExceptionFrame) -> ! {
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panic!("HardFault at {:#?}", ef);
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}
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// define the default exception handler
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exception!(*, default_handler);
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fn default_handler(irqn: i16) {
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panic!("Unhandled exception (IRQn = {})", irqn);
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}
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