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timers - starting and stopping

 
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efox



Joined: 24 May 2006
Posts: 14

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timers - starting and stopping
PostPosted: Sat Mar 07, 2009 10:17 pm     Reply with quote
How do you start a timer after its already been stopped ?

timer1 is turned on through initial setup_timer1()
timer1 is stopped using setup_timer1() function
but how do you get timer1 to turn back on. Set it up again ? Is there a bit I can turn on ?
efox



Joined: 24 May 2006
Posts: 14

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PostPosted: Sat Mar 07, 2009 10:32 pm     Reply with quote
probably found my own indirect answer for this...

but if you want to turn a timer back on
setup_timer_1(!T1_DISABLED)

Though if there is another way or explanation, love to hear it.
PCM programmer



Joined: 06 Sep 2003
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PostPosted: Sat Mar 07, 2009 10:55 pm     Reply with quote
Quote:
but if you want to turn a timer back on
setup_timer_1(!T1_DISABLED)

You shouldn't make an assumption like that. The values that can be
used for parameters for the Timer functions are listed in the .H file
for your PIC. Don't use anything else. For example, in 16F877.h
these two constants should be used to disable and enable Timer1:
Code:

#define T1_DISABLED         0
#define T1_INTERNAL         0x85

When you enable it, you also have the option to OR it with a clock divisor
value, as given in the .h file.
Guest
PostPosted: Sun Mar 08, 2009 1:09 am     Reply with quote
ya im noticing a lot of errors in my 'logic'

CCS is really good with its functions and optimization, but i find the headers a bit confusing.

maybe because im coming from C18.

thank you for your help though.
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