What was it?


Neil wrote 2014-07-21 03:59:
> 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 =
now.
>>        CCPTMRS0 =3D 0b00010000;                // CCP2 uses TMR6
>>        PR6 =3D 123;
>>        CCP2CON =3D 0b00111100;                // ECCP: Single output, PW=
M
>> LSB + PxA active-high
>>        CCPR2L =3D 200;                        // Sets PWM width (togethe=
r
>> with CCP2CON<5:4>)
>>        PSTR2CON =3D 0b00000001;                // Only enable P2A
>>        PIR5bits.TMR6IF =3D 0;
>>        T6CON =3D 0b00000100;                    // Timer 6 on, no presca=
le
>>        TRISBbits.TRISB3 =3D 0;                // Enable RB3/CCP2 output
>>        ...
>> }
>>
>> Thanks.
>>
>
--=20
http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist
.