#include <hidef.h>      /* common defines and macros */
#include "derivative.h"      /* derivative-specific definitions */
#include <stdio.h>
void delay(void);
int maths(int n);

#define MAXVOLT 5       /*Specified channels range is between 0-5 */
#define DIVISOR 48       /*Specified channels range is between 0-5 */
int sevensegnumbers[10]= {0x3F, 0x06, 0x5B, 0x4F, 0x66, 0x6D, 0x7D, 0x07, 0x7F, 0x6F}; /*Hex values for 1, 2, 3, 4, 5 LEDS on at one time */
int windows[4] = {0x0E, 0x0D, 0x0B, 0x07};

void main() {
  int voltage = 0;
  int perc = 0;

  /*Enable the LEDS*/
  DDRB= 0xFF;
  DDRJ= 0xFF;
  DDRP= 0xFF;
  PTJ=  0x00;
  DDRH= 0x00;
  PTP =  windows[1];       /*Decimal Point */
  PORTB = 0x80;
   delay();
   delay();


  /*Enable the Analogue to Digital System */
  ATD0CTL2 = 0xC0;          /*1100 0000 Turn on analogue to digital and turn on fast flag mode */
  ATD0CTL4 = 0xBB;           /*10111011*/


  for(;;) {
    ATD0CTL5 = 0x87;        /*Find the value in AN7 */
    while (!(ATD0STAT0)){ /* wait for the A/D conversion to complete */
      voltage = ATD0DR0;
      delay();
      perc = maths(voltage);
      delay();
    }
  }
}





void delay() {
  int z = 0;
    for(z; z <= 23470; z++){
    }
}

int maths(int n) {
  int result = (n*10/DIVISOR);    /*Times by 10 to avoid floating point*/
  int win1 = result/10;
  int win2 = 0;
  win2 = ((win1%10));
  PTP =  windows[0];       /*Decimal Point */
  PORTB = sevensegnumbers[win1];
   delay();
  PTP =  windows[2];       /*Decimal Point */
  PORTB = sevensegnumbers[win2];
  delay();
  return result;

}