On Fri, Feb 24, 2012 at 10:09 AM, N. Coesel <n...@nctdev.nl> wrote:
> At 16:37 24-2-2012, Grant Edwards wrote:
>>On 2012-02-24, steve ayer <a...@handhelds.org> wrote:
>>
>> > not necessarily.  you can certainly provide a device with a seed
>> > timestamp that will carry through an app's runtime.
>>
>>What happens when the app is idle and the processor sleeps with the
>>clos shut down?
>
> You work around that. Maybe a hardware RTC? IMHO there is very little
> point in trying to argue time and date functions are irrelevant to a
> microcontroller environment. A lot of devices do need to keep track
> of date & time. Instead of re-inventing the wheel its better to use a
> different (small) C library which has these functions and stay Posix 
> compliant.

Agreed; the underlying function might have to be user-provided just as
putchar is for msp430-libc, but the API should be standard.  See also
https://sourceforge.net/tracker/?func=detail&aid=3383730&group_id=42303&atid=432701

Peter

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