cortex-m-rt/examples/device.rs


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50

//! Manually create the interrupts portion of the vector table

#![deny(unsafe_code)]
#![deny(warnings)]
#![no_main]
#![no_std]

#[macro_use(entry, exception)]
extern crate cortex_m_rt as rt;
extern crate panic_semihosting;

use rt::ExceptionFrame;

// the program entry point
entry!(main);

fn main() -> ! {
    loop {}
}

// the hard fault handler
exception!(HardFault, hard_fault);

fn hard_fault(_ef: &ExceptionFrame) -> ! {
    loop {}
}

// the default exception handler
exception!(*, default_handler);

fn default_handler(_irqn: i16) {}

// interrupts portion of the vector table
pub union Vector {
    handler: unsafe extern "C" fn(),
    reserved: usize,
}

extern "C" {
    fn WWDG();
    fn PVD();
}

#[link_section = ".vector_table.interrupts"]
#[no_mangle]
pub static __INTERRUPTS: [Vector; 3] = [
    Vector { handler: WWDG },
    Vector { reserved: 0 },
    Vector { handler: PVD },
];