52 lines
1.3 KiB
Rust
52 lines
1.3 KiB
Rust
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#![no_main]
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#![no_std]
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use cortex_m_semihosting::debug;
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use defmt_brtt as _; // global logger
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use stm32f3xx_hal as _; // memory layout
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use panic_probe as _;
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// same panicking *behavior* as `panic-probe` but doesn't print a panic message
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// this prevents the panic message being printed *twice* when `defmt::panic` is invoked
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#[defmt::panic_handler]
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fn panic() -> ! {
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cortex_m::asm::udf()
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}
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/// Terminates the application and makes a semihosting-capable debug tool exit
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/// with status code 0.
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pub fn exit() -> ! {
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loop {
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debug::exit(debug::EXIT_SUCCESS);
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}
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}
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/// Hardfault handler.
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///
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/// Terminates the application and makes a semihosting-capable debug tool exit
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/// with an error. This seems better than the default, which is to spin in a
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/// loop.
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#[cortex_m_rt::exception]
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unsafe fn HardFault(_frame: &cortex_m_rt::ExceptionFrame) -> ! {
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loop {
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debug::exit(debug::EXIT_FAILURE);
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}
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}
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// defmt-test 0.3.0 has the limitation that this `#[tests]` attribute can only be used
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// once within a crate. the module can be in any file but there can only be at most
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// one `#[tests]` module in this library crate
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#[cfg(test)]
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#[defmt_test::tests]
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mod unit_tests {
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use defmt::assert;
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#[test]
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fn it_works() {
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assert!(true)
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}
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}
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