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
Tell me can you have constant volatile variables?
Tell me significance of watchdog timer in embedded systems?
Tell me what is embedded system in a computer system?
what is the command/instruction in ARM that does not do anything or does not execute any instruction ? (except NOP instruction)
Tell me can we put breakpoint inside isr?
Explain what is return type of isr?
Tell me what does dma address will deal with?
Explain how does combination of functions reduce memory requirements in embedded systems?
Please explain the difference between mutexes vs semaphores?
What is the repository pattern?
Tell me can structures be passed to the functions by value?
Explain me what is kernel paging?
What is priority inheritance?
Who are the gang of four? Why should you care?
What is isr? Can they be passed any parameter and can they return a value?