Re: print from interrupt

["D. Peter Siddons" <siddons@bnl.gov>]

Thanks to all who responded. I should have made it clear that I was 
talking about an RTEMS app., which only has 
epicsInterruptContextMessage(), which can only print a string, no 
formatting. Eric Norum suggested using snprintf() to fill a buffer and 
pass that to epicsInterruptContextMessage(). That seems to work fine. I 
had the impression before that calling any of the xprintf() commands 
from within interrupt context wasn't allowed, but apparently the string 
variants are OK.
Pete.


Mark Rivers wrote:
> Hi Pete,
>
>
> > Is there a way in EPICS to print a numeric parameter from 
> > within an ISR, similar to epicsInterruptContextMessage(), but capable
>
> of 
>
> > printing the value of a variable (integers, anyway)? Or must I write a
>
>
> > routine to do it? It would be a useful debugging aid.
>
>
> This may be a dumb question, but can you call sscanf at interrupt level?
> If so you can convert your number to a string and then just use
> epicsInterruptContextMessage
>
> Mark


--
D. Peter Siddons
Bldg. 725D, NSLS
Brookhaven National Laboratory
Upton, NY 11976
USA.

Email: siddons@bnl.gov