Yes, you can call it inside an ISR. However, inside an ISR you should use it only for short delays, because you are lengthening the time it takes to complete the ISR and hence the time before other interrupts can be serviced.
Yes, you can call it inside an ISR. However, inside an ISR you should use it only for short delays, because you are lengthening the time it takes to complete the ISR and hence the time before other interrupts can be serviced.