PLACE CAN YOU HELP ME PROBLEM IN INT REGISTER, USED A/D

[gustavo]

CCS Technical Support
Presents.

Hello my name is Gustavo Mtz, I student in Mexican
University.

The reason the present message is the requesting your
help, I am beginning to pic program, I have the
necessity to manage the convertor A/D the pic16F876 to
voltage capture in the rane 0V to 3.5 V, before using
that LM35 Temperature sensor.


To data capture of the voltage sensor, I have to use
the program of Westford same MicroSystems Web, i
attach program.

(http://www.vermontficks.org/pic.htm )

**************************************************************************************************************************************************************************************

this is de code

/****************************************************************************
ADC1.C

This is an example of a DVM using PIC 16F876 or 16F873.
It reads 0-5V at pin 2 every 10mS, and writes the 10-sample averaged result
to a 9600 baud terminal screen.

Analog input at A0 (pin 2)
9600 baud output as B0 (pin 21)
Pulse output at B1 (pin 22) this provides a pulse every 10mS (for test)

External crystal oscillator = 4MHz
Cycle time = 1uS

Jon Fick 10/24/99

***************************************************************************/

#include <16F876.h>

/* Set configuration bits in the PIC processor */
#fuses XT, NOPROTECT, NOPUT, NOWDT, NOBROWNOUT, NOLVP, NOCPD, NOWRT

#use delay (clock=4000000) /* sets appropriate compiler constants */
#use standard_io (a)
#use standard_io (b)
#use standard_io (c)
#use rs232 (baud = 9600, XMIT = PIN_B0, BITS=8)

static char cADCflag; /* global variable */

void main(void)
{
char cCnt; /* 8-bit variables */
long cADCtotal, cADCval; /* 16-bit variables */
char fx;

setup_adc_ports (RA0_ANALOG); /* these three statements set up the ADC */
setup_adc (ADC_CLOCK_INTERNAL);
set_adc_channel (0);

/* SET THE COUNTER TO ROLL EVERY 10mS */
setup_counters (RTCC_INTERNAL, RTCC_DIV_64); /* timer increments every 64uS */
enable_interrupts (INT_RTCC); /* enable timer interrupt */
enable_interrupts (GLOBAL); /* enable global interrupts */
set_rtcc (100); /* start counter at 256-100 = 156 counts until wrap */

cADCtotal = 0;
cCnt = 0; /* count the number of ADC measurements */

while (1) /* do forever */
{
if (cADCflag == 1) /* if interrupt turned flag on */
{
cADCflag = 0; /* turn flag off */

cADCval = read_adc(); /* read the ADC */
cADCtotal += cADCval; /* add it to total, for later averaging */

if (cCnt++ == 9) /* increment count, is it ten counts yet? */
{
disable_interrupts (INT_RTCC); /* don't allow interrupts during display */
cCnt = 0; /* restart count */
cADCtotal /= 10; /* divide by 10 samples to get average */

// 0 to 5V input at pin 2 will display 0 - 1023.
// If you want to scale it to read 0.00 to 5.00 volts, the variable
// must be type FLOAT, such as fX in the three lines below...
//
fX = read_adc(); /* read the ADC here */
fX =( fX / (1024 * 5.00)); /* scale it to 5V */
printf ( "%1.2f/r", fX ); /* print it to the screen */

printf ("\n\rMeasurement = %lu", cADCtotal); /* send to RS232 */
cADCtotal = 0; /* restart total */
enable_interrupts (INT_RTCC); /* allow interrupts again */
}
}
}
}

/*****************************************************************************************************/
#INT_RTCC void TIMER_INTERRUPT (void)
{
/*
This interrupt occurs every 10mS (timer increments every 64uS, timer is
preset to 100 so it wraps 156 counts later at 256.) Adjust the restart
count to get the 10mS exactly.
*/

OUTPUT_HIGH (PIN_B1); /* test pulse */
OUTPUT_LOW (PIN_B1);
set_rtcc (100); /* restart count */
cADCflag = 1; /* set flag to alert main program to read ADC */
}


***************************************************************************************************************************************************************************************

I have the pic ccs compiler's of version 3.18, and
when wanting to compile, it marks me an error in
instruction

#INT_RTCC void TIMER_INTERRUPT (void)

Please they can help me to correct this situation.

Cordially

[PCM programmer]

Put it on separate lines, like this: