Re: /qtopia/ alarm clock drains battery

2008-08-07 Thread Yaroslav Halchenko
looking at atd.c of shipped with debian's at:

  /* Main loop.  Let's sleep for a specified interval,
 * or until the next job is scheduled, or until we get signaled.
 * After any of these events, we rescan the queue.
 * A signal handler setting term_signal will make sure there's
 * a clean exit.
 */

sigaction(SIGHUP, NULL, &act);
act.sa_handler = sdummy;
sigaction(SIGHUP, &act, NULL);

so on sighup it wakes up, and run_loop is executed so it rereads its content
again. Thus 'pkill -HUP atd' should be sufficient imho (didn't try though)

On Thu, 07 Aug 2008, Sven Klomp wrote:
> However, I don't know how I can tell atd to process new scripts 
> in /var/spool/at. Until now, I have to wait up to ten minutes before atd sets 
> the wake up time when a new script was written in /var/spool/at.
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Re: /qtopia/ alarm clock drains battery

2008-08-07 Thread Sven Klomp
On Thursday 07 August 2008 20:35:20 Brian Wilson wrote:
> > Some time ago in any of the openmoko lists someone proposed a solution
> > for RTC wakeup.
>
> I will try searching for it later. A block diagram of what's in the
> phone would be nice for this beginner.
> I wonder if one of those is around. I know they are talking of
> releasing schematics.

I wrote at the devel list, how you can use atd for wake up the phone at a 
specific time:
http://lists.openmoko.org/pipermail/devel/2008-July/000502.html

However, I don't know how I can tell atd to process new scripts 
in /var/spool/at. Until now, I have to wait up to ten minutes before atd sets 
the wake up time when a new script was written in /var/spool/at.

Another solution is direct ioctl calls. But you have to stop atd before, since 
it blocks /dev/rtc(o)

Sven

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Re: /qtopia/ alarm clock drains battery

2008-08-07 Thread Brian Wilson
> smart arse answer. There is no BIOS. ;)

Not intentionally -- just drawing an analogy as a means of exposition

> Some time ago in any of the openmoko lists someone proposed a solution for 
> RTC wakeup.

I will try searching for it later. A block diagram of what's in the
phone would be nice for this beginner.
I wonder if one of those is around. I know they are talking of
releasing schematics.

Brian

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Re: /qtopia/ alarm clock drains battery

2008-08-07 Thread Tilman Baumann
Brian Wilson wrote:
> Is there an easy way to suspend for a time period (say 8 hours) or set
> a realtime clock to it wake up? I set BIOS this way on my desktop -
> cron shuts it down at midnight and BIOS wakes up every morning at 7.
> Works quite well to save power.

smart arse answer. There is no BIOS. ;)

Some time ago in any of the openmoko lists someone proposed a solution 
for RTC wakeup.

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Re: /qtopia/ alarm clock drains battery

2008-08-07 Thread Brian Wilson
Is there an easy way to suspend for a time period (say 8 hours) or set
a realtime clock to it wake up? I set BIOS this way on my desktop -
cron shuts it down at midnight and BIOS wakes up every morning at 7.
Works quite well to save power.

On Thu, Aug 7, 2008 at 10:54 AM, Lorn Potter <[EMAIL PROTECTED]> wrote:
> Yaroslav Halchenko wrote:
>> if you decide to use alarm clock in the qtopia -- it would drain the
>> battery much more rapidly.

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Re: /qtopia/ alarm clock drains battery

2008-08-07 Thread Lorn Potter
Yaroslav Halchenko wrote:
> if you decide to use alarm clock in the qtopia -- it would drain the
> battery much more rapidly. Usually charge is sufficient for me to hold
> for a day (24h) but with alarm it doesn't survive through the night -- I
> wake up and phone is dead :-/
> 

the clock only uses 'at' to set the alarm. So the problem would be with 
atd and friends.

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/qtopia/ alarm clock drains battery

2008-08-07 Thread Yaroslav Halchenko
if you decide to use alarm clock in the qtopia -- it would drain the
battery much more rapidly. Usually charge is sufficient for me to hold
for a day (24h) but with alarm it doesn't survive through the night -- I
wake up and phone is dead :-/

-- 
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Keep in touch// \\ (yoh@|www.)onerussian.com
Yaroslav Halchenko  /(   )\   ICQ#: 60653192
   Linux User^^-^^[17]



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