On Wed, 9 Mar 2011, Russell N. Nelson - rnnelson wrote:
> You can set the order in which programs are terminated by init. Look in
> /etc/rc0.d and /etc/rc6.d. Just make sure that your watchdog monitor is
> one of the last programs killed by adjusting the number following the K
> in the script that kills it.
In the TSlinux image provided by TS the directories are /etc/rc.d/rcN.d
And they contain NO kill entries :-) This is a minimal image!
However adding suitable entries should not be difficult.
> ________________________________________
> From: on behalf of Jim
> Jackson
> Sent: Wednesday, March 09, 2011 8:09 AM
> To:
> Subject: Re: [ts-7000] How to do soft shutdown with watchdog timer?
>
> On Tue, 8 Mar 2011, Rekcut_Nod wrote:
>
> > I'm using a TS-7260. I monitor a DIO line for the user to shutdown the
> > system, at which point I want to close all open ports and devices, and
> > issue a "shutdown -h now" command via popen (I'm writing c code).
> >
> > My question is, if the watchdog is initialized and fed by:
> >
> > int fd = open("/dev/mem", O_RDWR|O_SYNC);
> > volatile unsigned char *wdt_control;
> > volatile unsigned char *wdt_feedl;
> >
> > wdt_control = (unsigned
> > char*)mmap(0,getpagesize(),PROT_READ|PROT_WRITE,MAP_SHARED,fd,0x23800000);
> > wdt_feed = (unsigned
> > char*)mmap(0,getpagesize(),PROT_READ|PROT_WRITE,MAP_SHARED,fd,0x23C00000);
> >
> > *wdt_feed=0x05;
> > *wdt_control=0x07;//set duration to max = 8 seconds
> >
> > how can I call fclose(fd)?
>
> You just need to need to disable the watchdog - *wdt_feed=0;
> then it will not interfer with your shutdown regime.
>
> > I don't want the watchdog to reset the board
> > before the "shutdown -h now" is finished, nor do I want the program to be
> > terminated by the shutdown command before I've safely released /dev/mem.
> > Any suggestions?
> >
> >
>
>
> ------------------------------------
>
> Yahoo! Groups Links
>
>
>
>
------------------------------------
Yahoo! Groups Links
<*> To visit your group on the web, go to:
http://groups.yahoo.com/group/ts-7000/
<*> Your email settings:
Individual Email | Traditional
<*> To change settings online go to:
http://groups.yahoo.com/group/ts-7000/join
(Yahoo! ID required)
<*> To change settings via email:
<*> To unsubscribe from this group, send an email to:
<*> Your use of Yahoo! Groups is subject to:
http://docs.yahoo.com/info/terms/
|