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delay_ms and timer0

 
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wynnet



Joined: 02 Dec 2003
Posts: 15

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delay_ms and timer0
PostPosted: Sat Jan 31, 2004 3:25 pm     Reply with quote
I use timer0 or RTCC as my main timer interrupt, I also use delay_ms() function.
Does delay_ms() also use the same timer0 to perform the delay?

What timer does the delay_ms()?
Do I have to care about any conflict or side effect?
Ttelmah
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Re: delay_ms and timer0
PostPosted: Sat Jan 31, 2004 3:27 pm     Reply with quote
wynnet wrote:
I use timer0 or RTCC as my main timer interrupt, I also use delay_ms() function.
Does delay_ms() also use the same timer0 to perform the delay?

What timer does the delay_ms()?
Do I have to care about any conflict or side effect?

The CCS 'delay' functions, are purely software based. As such, you can use any timers you want without problems, but (of course), have to remember that these software delays will not be accurate, if the system interrupts during the loop.

Best Wishes
Neutone



Joined: 08 Sep 2003
Posts: 839
Location: Houston

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PostPosted: Mon Feb 02, 2004 10:26 am     Reply with quote
Another way to look at delay_x()
It means waste enough instruction cycles to pass this much time.
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