Misbehaving HPWM on 16F1827

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  1. - 22nd March 2011, 21:40 #6
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    Ioannis
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    Default Re: Misbehaving HPWM on 16F1827

    I am trying to use the PWM module directly and have 10 bit resolution, but the output is LOW with this:

    Code:
    DEFINE CCP1_REG PORTB
DEFINE CCP1_BIT 3    
ccptmrs=0
pr2=249
ccp1con=$0C
trisb.3=0
...
main_loop:
...
ccpr1l=duty.lowbyte
...
goto main_loop
    If I use the PBP command

    Code:
    HPWM 1,duty,2000
    then output follows the duty value.

    Any ideas?

    Ioannis
    Last edited by Ioannis; - 22nd March 2011 at 21:46.
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