Cytron Technical Forum

Hello guys,

I'm having some problem to convert this code to PIC16F877a because of the pin configuration. This code is a PIC16F887 code source or more easy to say I have take the code(Project5). Could anyone help to change the configuration to PIC16F877a?

CODE: SELECT_ALL_CODE

/*******************************************************************************
* This file provides the functions for the ADC module
*
* Cytron Technologies Sdn. Bhd.
*******************************************************************************/
// This file is written for PIC16F887, if other model of PIC is uses, please modify accordingly


#include <htc.h>
#include "system.h"
#include "adc.h"



/*******************************************************************************
* PUBLIC FUNCTION: adc_initialize
*
* PARAMETERS:
* ~ void
*
* RETURN:
* ~ void
*
* DESCRIPTIONS:
* Initialize the ADC module.
*
*******************************************************************************/
void adc_initialize(void)
{
   // A/D Conversion Clock = FOSC/32.
   ADCS1 = 1;
   ADCS0 = 0;
   
   // Set AN0 only as analog input, others AN as digital pin
   ANS0 = 1;
   
   // Configure the result to be right justified, will take as 10-bit ADC
   ADFM = 1;
   
   VCFG1 = 0;

   VCFG0 = 0;
   
   // Turn Off ADC module by default
   ADON = 0;
}

   
/*******************************************************************************
* PUBLIC FUNCTION: adc_on
*
* PARAMETERS:
* ~ void
*
* RETURN:
* ~ void
*
* DESCRIPTIONS:
* Activate ADC module
*
*******************************************************************************/
void adc_on(void)
{
   // Turn On ADC module
   ADON = 1;
}




/*******************************************************************************
* PUBLIC FUNCTION: adc_off
*
* PARAMETERS:
* ~ void
*
* RETURN:
* ~ void
*
* DESCRIPTIONS:
* Deactivate ADC module
*
*******************************************************************************/
void adc_off(void)
{
   // Turn Off ADC module, to save power
   ADON = 0;
}



/*******************************************************************************
* PUBLIC FUNCTION: ui_adc_read
*
* PARAMETERS:
* ~ void
*
* RETURN:
* ~ The ADC result in 16-bit
*
* DESCRIPTIONS:
* Convert and read the result of the ADC from ANO.
*
*******************************************************************************/
unsigned int ui_adc_read(void)
{
   unsigned int pot = 0;
   // Select the ADC channel on AN0 for SK40C
   CHS2 = 0;
   CHS1 = 0;
   CHS0 = 0;
   
   // Delay 1mS to fully charge the holding capacitor in the ADC module.
   __delay_ms(1);
   
   // Start the conversion and wait for it to complete.
   GODONE = 1;
   while (GODONE == 1);
   
   // Return 10-bit ADC result.
   pot = (unsigned int)ADRESH << 8;
   pot = pot + ADRESL;
   return pot;
}