While writing interrupt handlers (ISR), which are points
needed to be considered ?

Answer Posted / baazicha

- Do not issue blocking calls
- Defer as much processing to second level interrupt
handler or BH.

Is This Answer Correct ?    5 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Tell me can you have constant volatile variables?

633


Tell me significance of watchdog timer in embedded systems?

627


Tell me what is embedded system in a computer system?

617


what is the command/instruction in ARM that does not do anything or does not execute any instruction ? (except NOP instruction)

2848


Tell me can we put breakpoint inside isr?

649


Explain what is return type of isr?

636


Tell me what does dma address will deal with?

588


Explain how does combination of functions reduce memory requirements in embedded systems?

624


Please explain the difference between mutexes vs semaphores?

584


What is the repository pattern?

659


Tell me can structures be passed to the functions by value?

600


Explain me what is kernel paging?

575


What is priority inheritance?

567


Who are the gang of four? Why should you care?

644


What is isr? Can they be passed any parameter and can they return a value?

673