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pwm compile error

 
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jujoab



Joined: 05 Aug 2017
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Location: brazil

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pwm compile error
PostPosted: Mon Oct 30, 2017 2:02 pm     Reply with quote

the compiler is reporting an error on the "set_compare_time(2, OCR_2, OCRS_2); " saying:
error 58, expenting a close paren

to make shure, i tried to compile 2 or 3 examples from the PICC library, with same result, always on the set_compare_time, highlighting the last operand;

the example I am testing right now is the C:\Program Files (x86)\PICC\Examples\ex_power_pwm

any hint?
jujoba
Ttelmah



Joined: 11 Mar 2010
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PostPosted: Mon Oct 30, 2017 2:14 pm     Reply with quote

What chip?.

Does your chip have the secondary compare registers?.
jujoab



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PostPosted: Mon Oct 30, 2017 3:21 pm     Reply with quote

Ttelmah wrote:
What chip?.

Does your chip have the secondary compare registers?.

Hi Ttelmah

I am testing with the 18f4420.
I think I have a definition problem, will report when I get a solution.

Thanks
jujoba
Ttelmah



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PostPosted: Tue Oct 31, 2017 2:26 am     Reply with quote

Your chip does not have the power PWM module.....

The power_pwm functions only work on chips that have the power PWM module.
Yours has a standard CCP, and an ECCP.

The only PIC18's with this module are the 2431 and 4431 I think.
jujoab



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PostPosted: Tue Oct 31, 2017 8:38 am     Reply with quote

Ttelmah wrote:
Your chip does not have the power PWM module.....

The power_pwm functions only work on chips that have the power PWM module.
Yours has a standard CCP, and an ECCP.

The only PIC18's with this module are the 2431 and 4431 I think.


got it
thanks a lot

Right now experimenting with your superb example on
http://www.ccsinfo.com/forum/viewtopic.php?t=54739&highlight=1msec

thanks again
jujoba
Ttelmah



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PostPosted: Tue Oct 31, 2017 9:07 am     Reply with quote

You can also do multiple servos 'sequentially' using this approach.

I did a version using the CCP interrupt here:

<http://www.ccsinfo.com/forum/viewtopic.php?t=50914&highlight=servo>
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