Help with HPWM on 18f6520


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  1. #1
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    Quote Originally Posted by skimask View Post
    (Are the guys at MeLabs listening in on these last couple of great mods that DT/Mr_E have come up with in the last few weeks or so?)
    I hope not!
    They already don't like me, now I'm messing with their compiler.

    But we already know they don't come here.

    And for the HPWM ...
    Not sure Andy's ready to start modifying system files yet, ... or not.
    <br>
    DT

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    And if using Charles' method.

    Be sure to download mister_e's PicMultiCalc.
    http://www.mister-e.org/pages/utilitiespag.html
    <br>
    DT

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    Quote Originally Posted by Darrel Taylor View Post
    I hope not!
    They already don't like me, now I'm messing with their compiler...
    Unless you 've put a bomb at their office, I can't understand why a brilliant programmer, that is using the PBP to its maximum, is not amiable to Melabs.

    If it is true, I will think a lot about next upgrade!

    Ioannis

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    Quote Originally Posted by Darrel Taylor View Post
    But we already know they don't come here.
    <br>
    I was not aware of that. Pity...all this good info, gone to waste...ok, not really. You figure after awhile, some of us are going to end up with a sort of a next-gen PBP without MeLabs support.

    Quote Originally Posted by Ioannis View Post
    Unless you 've put a bomb at their office, I can't understand why a brilliant programmer, that is using the PBP to its maximum, is not amiable to Melabs.
    If it is true, I will think a lot about next upgrade!
    Ioannis
    That goes double here!

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    Hello Everybody,

    First of all, thank you for all the great responses. I now have PWM working great on all 5 channels by addressing the registers directly, as suggested by Charles. As an added bonus, the PWM resolution is 10bit.

    As Darrel said, it is probably a bit "advanced" for me to start modifying system/library files at this stage.

    The 18F6520 also has 12 analog inputs. Are there any "gotchas" or limits on the number of channels when using the ADCIN command?

    Andy

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    Quote Originally Posted by Andy Wood View Post
    The 18F6520 also has 12 analog inputs. Are there any "gotchas" or limits on the number of channels when using the ADCIN command?
    Andy
    Check that same file I listed above pbppic18.lib
    I'm not at the house so I can't check it myself.
    Search thru the file for ADCIN. Even though you're not comfortable modifying the file, you might be able to get some clues as to how many channels ADCIN will handle. The PBP manual isn't specific enough.

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