Nevermind... figured it out.



On 7/20/2014 5:09 PM, Neil wrote:
> Hmmm... tinkering with PWM (for the first time) on an 18F45K22 and can't
> get it to work.  I'm using timer-6 on RB3 (CCP2) which is the only
> output I'm trying to PWM for now, and for now I'm using fairly random
> values for PR6 and CCPR2L.  I'm following the PWM setup sequence in
> section 14.3.2 of the datasheet (DS41412D).  Any clues to what else I am
> missing here?
>
>
> #pragma config CCP2MX =3D PORTB3
>
>
> void init(void)
> {
>       ...
>       ...
>       TRISBbits.TRISB3 =3D 1;                // RB3/CCP2 =3D Input for no=
w.
>       CCPTMRS0 =3D 0b00010000;                // CCP2 uses TMR6
>       PR6 =3D 123;
>       CCP2CON =3D 0b00111100;                // ECCP: Single output, PWM
> LSB + PxA active-high
>       CCPR2L =3D 200;                        // Sets PWM width (together
> with CCP2CON<5:4>)
>       PSTR2CON =3D 0b00000001;                // Only enable P2A
>       PIR5bits.TMR6IF =3D 0;
>       T6CON =3D 0b00000100;                    // Timer 6 on, no prescale
>       TRISBbits.TRISB3 =3D 0;                // Enable RB3/CCP2 output
>       ...
> }
>
> Thanks.
>

--=20
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