embassy

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See:

• https://www.keil.com/pack/doc/CMSIS/Core/html/using_VTOR_pg.html
• https://github.com/rust-embedded/cortex-m-rt/issues/55

I imagine that this would need a new struct that provides interrupts with a pub fn register_interrupt_table().

alignment:

// C representation, alignment raised to 8
#[repr(C, align(8))]
struct AlignedStruct {
    first: i16,
    second: i8,
    third: i32
}

// uint32_t vectorTable_RAM[VECTORTABLE_SIZE] __attribute__(( aligned (VECTORTABLE_ALIGNMENT) ));
#[repr(C, align(VECTORTABLE_ALIGNMENT))]
static mut vectorTable_RAM: [u8];