fe_osi 0.1.1

OSI to help with writing code for fe_rtos
Documentation 
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extern "C" {
    fn do_register_interrupt(irqn: isize, entry_point: *const usize) -> usize;
}

/// Registers a function to be the handler for the specified interrupt.
///
/// # Examples
/// ```
/// register_interrupt(I2C1_IRQN, i2c_handler);
/// ```
pub fn register_interrupt(irqn: isize, entry_point: unsafe extern "C" fn()) {
    unsafe {
        do_register_interrupt(irqn, entry_point as *const usize);
    }
}