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pwm + pic18f14k50

 
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fkl



Joined: 20 Nov 2010
Posts: 44

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pwm + pic18f14k50
PostPosted: Tue Sep 17, 2013 11:04 pm     Reply with quote
hi.

Help. How to configure PWM output RC3?

Code:
   setup_timer_2(T2_DIV_BY_4,249,1);
   setup_ccp1(CCP_PWM);
   set_pwm1_duty(500);
Ttelmah



Joined: 11 Mar 2010
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PostPosted: Wed Sep 18, 2013 4:16 am     Reply with quote
You have to use 'pulse steering'.

Code:

   setup_timer_2(T2_DIV_BY_4,249,1);
   setup_ccp1(CCP_PWM | CCP_PULSE_STEERING_C);
   //RC3, is P1C, hence the 'C' here.
   set_pwm1_duty(500);


A few older compilers, don't correctly set the TRIS when this is done, but current ones do. If your's doesn't, add 'output_drive(PIN_C3);'.

Best Wishes
fkl



Joined: 20 Nov 2010
Posts: 44

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PostPosted: Wed Sep 18, 2013 7:37 am     Reply with quote
thank you very much.
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