user.c

/******************************************************************************/
/* Files to Include                                                           */
/******************************************************************************/

#if defined(__XC)
    #include <xc.h>         /* XC8 General Include File */
#elif defined(HI_TECH_C)
    #include <htc.h>        /* HiTech General Include File */
#endif

#include <stdint.h>         /* For uint8_t definition */
#include <stdbool.h>        /* For true/false definition */

#include "user.h"

/******************************************************************************/
/* User Functions                                                             */
/******************************************************************************/

/* <Initialize variables in user.h and insert code for user algorithms.> */

void InitApp(void)
{
    ADCON1 = 0b01000000;    //all analog mode, AD speed again reduced by 2x, no AD timer scaling, reference voltage is Vdd, Vss

    ADCON0 = 0b00000000;    //channel 0 selected, FOSC/4 , AD off initially, go_done unset

    PEIE = 1;               //turn on periph ints

    ADIE = 1;               //set AD ints

    GIE = 1;                //set general ints

    INTE = 0;               //RB external interrupts off

    RBIE = 0;               //RB port change functionality off

    ADIF = 0;               //clear flag

    ADON = 1;               //turn on AD now

    TRISA = 0xFF;           //porta as inputs

    TRISB = 0x00;           //portb as outputs

    PORTB = 0xFF;           //port b set high

    PORTA = 0x00;           //drive port a low
}