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help setting pwm4 to PIC16F1939

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lboghy

Joined: 04 Jun 2008
Posts: 23

help setting pwm4 to PIC16F1939

Posted: Wed Aug 24, 2011 10:32 am

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Hello
Can anyone help me with setting the pwm4 at pic16f1939. I done as at others micros but is doing only the envelope - during the pwm on it goes to high and if I disable the pwm output goes to low.

Code:

#use delay(int=16000000)
setup_timer_2(T2_DIV_BY_1,104,1); //26.2 us overflow
CCPTMRS0 = 0X00; //set timer 2 for pwm4
setup_ccp4(CCP_PWM);
set_pwm4_duty(210); //for 50%
//setup_ccp4(CCP_OFF);

Thank you.

PCM programmer

Joined: 06 Sep 2003
Posts: 21708

Posted: Wed Aug 24, 2011 11:11 am

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Quote:

setup_timer_2(T2_DIV_BY_1,104,1); //26.2 us overflow
CCPTMRS0 = 0X00; //set timer 2 for pwm4
setup_ccp4(CCP_PWM);
set_pwm4_duty(210); //for 50%

During the pwm on it goes to high and if I disable the pwm output goes to low.

Read the links in the thread below about the difference between 8-bit and
10-bit PWM modes, and how to tell the compiler which mode to use:
http://www.ccsinfo.com/forum/viewtopic.php?t=45968

lboghy

Joined: 04 Jun 2008
Posts: 23

SOLVED
Posted: Wed Aug 24, 2011 3:40 pm

I just added an "L"... Thank you very much for you prompt support. Best wishes!

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