timer_hardware_alarm_force_irq() function
Force and IRQ for a specific hardware alarm on the given timer instance This method will forcibly make sure the current alarm callback (if present) for the hardware alarm is called from an IRQ context after this call. If an actual callback is due at the same time then the callback may only be called once. Calling this method does not otherwise interfere with regular callback operations.
Arguments
alarm_num
the hardware alarm number \sa hardware_alarm_force_irq