What compiler are you using? This code is for MikroC. You may have to
translate a few things. For instance, they may express things like
"TMR1IF_bit" differently. These are PIC specific and not a part of standard
ANSI C so each compiler developer is free to define them as they see fit.

Allen

> -----Original Message-----
> From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] On Behalf
Of
> Richard R. Pope
> Sent: Saturday, July 19, 2014 11:25 AM
> To: Microcontroller discussion list - Public.
> Subject: Re: [Pic] Making a special timer!
>=20
> Allen,
>      I try this and it won't compile. I have also tried it with
> prototypes and I receive the same error messages. I fix one problem and
> end up with more. Well I'm getting there. All of the help has been
> greatly appreciated.
> Thanks, rich!
> Here are the error messages:
>=20
> Error   [195]
> R:\Programming\PicPrograms\Pic-Controller\NewControlCode.c; 54.12
> expression syntax
> Error   [195]
> R:\Programming\PicPrograms\Pic-Controller\NewControlCode.c; 57.12
> expression syntax
> Error   [195]
> R:\Programming\PicPrograms\Pic-Controller\NewControlCode.c; 62.16
> expression syntax
> Error   [194]
> R:\Programming\PicPrograms\Pic-Controller\NewControlCode.c; 63.21 ")"
> expected
> Error   [285]
> R:\Programming\PicPrograms\Pic-Controller\NewControlCode.c; 68.1 no
> identifier in declaration
> Warning [374]
> R:\Programming\PicPrograms\Pic-Controller\NewControlCode.c; 68.1 missing
> basic type; int assumed
>=20
> Error   [314]
> R:\Programming\PicPrograms\Pic-Controller\NewControlCode.c; 68.1 ";"
> expected
> (908) exit status =3D 1
>=20
> I get these messages with the code from the timer calculator. Please
> help me?
> Thanks,
> rich!
>=20
> On 7/18/2014 9:40 AM, Allen Mulvey wrote:
> > MikroElektronika has a free Timer Calculator that you can use to get th=
e
> > code to set up your timer. I don't understand why anyone would want to
use a
> > PWM when the timer is so easy and quite accurate. Check this out:
> > http://www.libstock.com/projects/view/398/timer-calculator
> >
> > I use it all the time. For a PIC16 Timer1 you can get 100ms from this
code:
> >
> > //Timer1
> > //Prescaler 1:8; TMR1 Preload =3D 3036; Actual Interrupt Time : 100 ms
> >
> > //Place/Copy this part in declaration section
> > void InitTimer1(){
> >    T1CON	 =3D 0x31;
> >    TMR1IF_bit	 =3D 0;
> >    TMR1H	 =3D 0x0B;
> >    TMR1L	 =3D 0xDC;
> >    TMR1IE_bit	 =3D 1;
> >    INTCON	 =3D 0xC0;
> > }
> >
> > void Interrupt(){
> >    if (TMR1IF_bit){
> >      TMR1IF_bit =3D 0;
> >      TMR1H	 =3D 0x0B;
> >      TMR1L	 =3D 0xDC;
> >      //Enter your code here
> >    }
> > }
> >
> > Enable the interrupt. Turn on your pin. Count 10 interrupts. Turn off
pin.
> > Turn off and reset timer. Start over when necessary.
> >
> > You may need to make minor adjustments (TMR1L) for the time to actually
> turn
> > the pin on and off.
> >
> > Allen
> >
> This is the complete code:
>=20
> //    Includes go here
> #include <pic16f684.h>
>=20
> //    Prototypes go here
> void ourdelay(int time);
> //void InitTimer1();
> //void Interrupt1();
>=20
> /*Richard R. pope
>   07-19-14
>   */
>=20
> #pragma config FOSC =3D XT, WDTE =3D OFF, PWRTE =3D ON, MCLRE =3D OFF \
>          CP =3D OFF, CPD =3D OFF, BOREN =3D OFF, IESO =3D OFF, FCMEN =3D =
OFF
> main()
> {
>=20
>      PORTA =3D 0;            //    Turn porta off
>      TRISA =3D 255;        //    Set Porta as all inputs
>      PORTC =3D 2;            //    Set RC1 to RC5 high
>      TRISC =3D 193;        //    Start with DP1 on, the rest of portc is
> inputs
>      CMCON0 =3D 7;         //  Turn off Comparators
>      ANSEL =3D 16;         //  Set RC0/AN4 as analog
>=20
> // Define commands
>      int Reset =3D 34;
>      int Gate =3D 18;
>=20
> while (1 =3D=3D 1)            //    Loop forever
>      {
>          TRISC =3D Reset;        //    Clear the Display
>          TRISC =3D Gate;        //    Start counting
>          ourdelay(1);            // Count the frequency for one second =
=3D
HZ
>          ourdelay(15);            // Display the frequency for 15 seconds
>=20
>      }
> }    //  End NewControlCode.c
>=20
> void ourdelay(int time)
> {
>      int x;
>      for(x=3D0; x <=3D time * 10; x++)
>      {
>      }
>      return;
> }
>=20
> //Timer1
> //Prescaler 1:8; TMR1 Preload =3D 3036; Actual Interrupt Time : 100 ms
>=20
> //Place/Copy this part in declaration section
> void InitTimer1(){
>    T1CON     =3D 0x31;
>    TMR1IF_bit     =3D 0;
>    TMR1H     =3D 0x0B;
>    TMR1L     =3D 0xDC;
>    TMR1IE_bit     =3D 1;
>    INTCON     =3D 0xC0;
> }
>=20
> void Interrupt(){
>    if (TMR1IF_bit){
>      TMR1IF_bit =3D 0;
>      TMR1H     =3D 0x0B;
>      TMR1L     =3D 0xDC;
>      //Enter your code here
>    }
> }
>=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


--=20
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