47 lines
1.0 KiB
Rust
47 lines
1.0 KiB
Rust
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#![no_std]
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#![no_main]
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use cortex_m_rt::{entry, exception};
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#[cfg(feature = "defmt")]
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use defmt_rtt as _;
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use embassy_boot_nrf::*;
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use embassy_nrf::nvmc::Nvmc;
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#[entry]
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fn main() -> ! {
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let p = embassy_nrf::init(Default::default());
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/*
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for i in 0..10000000 {
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cortex_m::asm::nop();
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}
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*/
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let mut bl = BootLoader::default();
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let start = bl.prepare(&mut WatchdogFlash::start(Nvmc::new(p.NVMC), p.WDT, 5));
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unsafe { bl.load(start) }
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}
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#[no_mangle]
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#[cfg_attr(target_os = "none", link_section = ".HardFault.user")]
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unsafe extern "C" fn HardFault() {
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cortex_m::peripheral::SCB::sys_reset();
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}
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#[exception]
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unsafe fn DefaultHandler(_: i16) -> ! {
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const SCB_ICSR: *const u32 = 0xE000_ED04 as *const u32;
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let irqn = core::ptr::read_volatile(SCB_ICSR) as u8 as i16 - 16;
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panic!("DefaultHandler #{:?}", irqn);
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}
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#[panic_handler]
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fn panic(_info: &core::panic::PanicInfo) -> ! {
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unsafe {
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core::arch::asm!("udf #0");
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core::hint::unreachable_unchecked();
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}
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}
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