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Parallax Forums > Public Forums > SX Microcontrollers, SX/B Compiler and SX-Key Tool > setting !option for a watchdog in an sxB program

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nick bernard
Registered Member

Date Joined Aug 2004
Total Posts : 329

Posted 7/17/2006 6:38 AM (GMT -8)

i've never used a watchdog timer before and i'm having trouble
this snippet is giving me compilation errors in the src file. any help?

program is attached

thanks guys
nick

'Watchdog prescale
\ setb !option.3
\ setb !option.2
\ clrb !option.1
\ clrb !option.0

engineer, fireman, bowler, father, WoW addict ;)

File Attachment :
program.txt 3KB (text/plain)

This file has been downloaded 117 time(s).

nick bernard
Registered Member

Date Joined Aug 2004
Total Posts : 329

Posted 7/17/2006 6:51 AM (GMT -8)

'Watchdog prescale
OPTION = %1111_1100

is this sxB line equivalent?

engineer, fireman, bowler, father, WoW addict ;)

Bean (Hitt Consulting)
Forum Moderator

Date Joined Jul 2004
Total Posts : 5761

Posted 7/17/2006 7:23 AM (GMT -8)

Nick,
You cannot set the option register bit-by-bit.

You need to set the whole thing at once, like you did in the second post.

Bean.

Cheap 4-digit LED display with driver IC www.hc4led.com

Low power SD Data Logger www.sddatalogger.com

"I'm a man, but I can change, if I have to, I guess" The Red Green Show

nick bernard
Registered Member

Date Joined Aug 2004
Total Posts : 329

Posted 7/17/2006 7:36 AM (GMT -8)

thanks bean!

engineer, fireman, bowler, father, WoW addict ;)

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