%ld is for signed int, use %lu for unsigned long int.
Cheers,
Thomas
On Fri, Nov 13, 2009 at 8:01 AM, Robert Smith <robby_smith...@yahoo.com> wrote:
> Thank you.
>
> I didn't cast the return value, so I'm geussing I misused printf.
> I did "printf("%ld", call Counter.get());". I checked TestPrintfC.nc of
> tutorial/Printf, and it uses %ld for uint32_t, so I assumed %ld is for
> uin32_t format. Can anyone tell if I am using printf correctly?
>
> Best Regards,
> Rob
>
> ________________________________
> Who says it's negative?
>
> When a signed integer's top bit gets set it "becomes" negative.
> Somewhere along the way your unsigned variable is being mis-interpreted.
> Often the default behavior is signed, so make sure you are using the
> right declarations and casts.
>
> Java doesn't know from unsigned, so the negative might be an artifact
> of your tracing technique.
>
> MS
>
>
> Robert Smith wrote:
>> Hi,
>>
>> I am currently using TinyOS2.x, and tyring to use microseconds in mica
>> platform.
>> I used CounterMicro32C to get microsec counter, and after awhile, the
>> return value becomes negative value.
>> CounterMicro32C provides interface Counter with uint32_t format, but why
>> am I getting negative values from this?
>>
>> Best Regards,
>> Rob
>>
>>
>> ------------------------------------------------------------------------
>>
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>
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