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pwm for PIC16F1507...PIC16F1507

 
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andys



Joined: 23 Oct 2006
Posts: 175

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pwm for PIC16F1507...PIC16F1507
PostPosted: Sun May 06, 2012 5:10 pm     Reply with quote

I tried to create pwm (for PIC16F1507...PIC16F1507 ) and I saw that for these micro-controllers the instruction:
Code:

setup_ccp1(CCP_PWM);
setup_ccp2(CCP_PWM);


is not working. (For other micro-controller this instruction is working). The datasheet for these micro-controller describe that are provided with pwm.

What is going wrong??????
dyeatman



Joined: 06 Sep 2003
Posts: 1933
Location: Norman, OK

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PostPosted: Sun May 06, 2012 5:41 pm     Reply with quote

What version of CCS are you using? What "other microcontroller"?
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asmboy



Joined: 20 Nov 2007
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PostPosted: Sun May 06, 2012 5:43 pm     Reply with quote

post your CODE that tries to use PWM - all of it

post your compiler version

post your SCHEMATIC that shows how you plan to use the PWM
andys



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PostPosted: Sun May 06, 2012 6:16 pm     Reply with quote

I am at the process to find the pic so my code is just few instructions to check the pic :
Code:

#if defined(__PCM__)
#include <16F1507.h>

//#fuses HS,NOWDT,NOPROTECT,NOLVP
#use delay(clock=20000000)
#use rs232(baud=9600, xmit=PIN_C6, rcv=PIN_C7)

#elif defined(__PCH__)
//#include <18F2423.h>

#fuses HS,NOWDT,NOPROTECT,NOLVP
#use delay(clock=20000000)
#use rs232(baud=9600, xmit=PIN_C6, rcv=PIN_C7)

#elif defined(__PCD__)
//#include<30F2010.h>

#fuses HS,NOWDT,NOPROTECT
#use delay(clock=20000000)
#use rs232(baud=9600, xmit=PIN_C6, rcv=PIN_C7)

#endif

void main()
{
 
setup_ccp1(CCP_PWM);
setup_ccp2(CCP_PWM);

}
PCM programmer



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PostPosted: Sun May 06, 2012 7:24 pm     Reply with quote

If you believe the compiler has a bug, then always post your compiler
version. A request that you do this is in a "sticky" post by Temtronic
at the top of the forum. Please read this.
asmboy



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PostPosted: Mon May 07, 2012 7:48 am     Reply with quote

Code:

{
 
setup_ccp1(CCP_PWM);
setup_ccp2(CCP_PWM);


This is an inadequate amount of setup code.

You have not setup a timer to drive pwm or
set a PWM duty cycle VALUE to generate yet.

Your code is very very incomplete.

Do as PCM says
post your compiler version while you are at it.
andys



Joined: 23 Oct 2006
Posts: 175

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PostPosted: Mon May 07, 2012 9:50 am     Reply with quote

i use MPLAB v8.83 , and the compiler PCM v4.133d
asmboy



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PostPosted: Mon May 07, 2012 10:01 am     Reply with quote

sorry but i can't help with issues around 4.133
as i am unable to make it run on my system - yet

how did you get your copy ??

Very Happy Very Happy
andys



Joined: 23 Oct 2006
Posts: 175

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PostPosted: Mon May 07, 2012 2:46 pm     Reply with quote

I download the free version (for some days)
PCM programmer



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PostPosted: Mon May 07, 2012 4:49 pm     Reply with quote

Quote:
I tried to create pwm (for PIC16F1507...PIC16F1507 ) and I saw that for these micro-controllers the instruction:

setup_ccp1(CCP_PWM);
setup_ccp2(CCP_PWM);

is not working.

What you really mean is that those lines of code give a compiler error.
They don't compile. You get these errors:
Code:
*** Error 12 "16F1507.c" Line 8(11,12): Undefined identifier  -- setup_ccp1
*** Error 12 "16F1507.c" Line 12(14,15): Undefined identifier  -- set_pwm1_duty

I tested this just now with vs. 4.132, and it doesn't have any support for
the PWM module in the 16F1507. The 16F1507.h file doesn't have any
constants for PWM functions.

It's possible to add support by writing your own PWM functions, similar
to the CCS functions. Or, you can write directly to the PWM registers
in your program.
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