~ruther/avr-device

ref: 266ad6c3ed9a158d6faa93be3cde6325ab1f6619 avr-device/src/asm.rs -rw-r--r-- 700 bytes
266ad6c3 — Peter Jaszkowiak fix: attiny84 ADCSRA should be read-write 5 years ago 
                                                                                
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//! Assembly instructions

/// No Operation
#[inline(always)]
pub fn nop() {
    cfg_if::cfg_if! {
        if #[cfg(target_arch = "avr")] {
            unsafe { llvm_asm!("nop") }
        } else {
            unimplemented!()
        }
    }
}

/// Sleep / Wait For Interrupt
#[inline(always)]
pub fn sleep() {
    cfg_if::cfg_if! {
        if #[cfg(target_arch = "avr")] {
            unsafe { llvm_asm!("sleep") }
        } else {
            unimplemented!()
        }
    }
}

/// Watchdog Reset
#[inline(always)]
pub fn wdr() {
    cfg_if::cfg_if! {
        if #[cfg(target_arch = "avr")] {
            unsafe { llvm_asm!("wdr") }
        } else {
            unimplemented!()
        }
    }
}