Embedded Software Engineer Question:
Download Questions PDF

Explain me can we use printf inside ISR?

Answer:

Printf function in ISR is not supported because printf function is not reentrant, thread safe and uses dynamic memory allocation which takes a lot of time and can affect the speed of an ISR up to a great extent.

Download Embedded Software Engineer Interview Questions And Answers PDF

Previous QuestionNext Question
Tell me what is the need for DMAC in ES?Tell me why embedded system is useful?