Interested to Buy Any Domain ? << Click Here >> for more details...
While writing interrupt handlers (ISR), which are points
needed to be considered ?
- 5 Answers
- 19337 Views
- Broadcom, nvidia, I also Faced
- E-Mail Answers
Answers were Sorted based on User's Feedback
Answer / jay
Avoid sleep , use GFP_ATOMIC instead of GFP_KERNEL in kmalloc
| Is This Answer Correct ? | 13 Yes | 1 No |
Answer / rajesh
While writing ISR it is necessary to remember which routine is having high priority
Initialize the stack pointer
| Is This Answer Correct ? | 10 Yes | 2 No |
Answer / 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 |
Answer / shawn bai
not take too long，actually calling dpc
| Is This Answer Correct ? | 2 Yes | 0 No |
Answer / dinesh
while writing ISR you should have proper knowledge about
it......... - by chandu
| Is This Answer Correct ? | 1 Yes | 4 No |
How i/o devices are classified for embedded system?
What is refactoring? Name three common refactorings.
Explain what is semaphore?
Mention how I/O devices are classified for embedded system?
What is the task of the pre-processor?
What do you do to stay abreast of the latest technologies and tools?
What are the commonly found errors in embedded systems?
Tell me can you have constant volatile variables?
Mention what are buses used for communication in embedded system?
can a pointer be volatile ? Explain.
Tell me is count down_to_zero loop better than count_up_loops?
Why would you choose java in embedded systems?
86 Family 
