#include <msp430x44x.h>
#include "lcd.h"
#include "delay.h"

  double sample, CDEG, FDEG, XIN,Y,SIGK;
  float XIN7 = 24.5, XIN6 = 24.5, XIN5 = 24.5;
  float XIN4 = 24.5, XIN3 = 24.5, XIN2 = 24.5, XIN1 = 24.5;
  const float A = .05699, A1 = 25, B = 2.8;
void main(void)
{
   // clock config
   WDTCTL = WDTPW + WDTHOLD;             // Stop WDT

   // set up Basic Timer
   IE2 |= BTIE;                            // Enable BT interrupt
   BTCTL = BT_ADLY_2000 | BT_fLCD_DIV256;  // 128 Hz LCD, 2s Interrupt

   // set up ADC
   ADC12IE |= 0x0040;                 // Enable ADC6 interrupt
   ADC12CTL0 = ADC12ON + REF2_5V + REFON;          // Aref = 2.5V, Aref on
   ADC12CTL1 = CSTARTADD_6 + ADC12SSEL_1 + SHP;        // ADCCLK = ACLK, 
 pulse mode;
   ADC12MCTL6 = SREF_1 + INCH_6;         // Select sixth reg, Aref on, 
 Aref = Vref+,Avss
   ADC12CTL0 |= ENC ;

   //set port pins
                         //set P6.6/A6 as input
  P6SEL |= BIT6;                        //select adc function

   //call lcd func
   setupLCD();

    // Enable interrupts and go to sleep forever
   _EINT();                              // Enable interrupts
  // _BIS_SR(LPM3_bits);                   // Enter LPM4
   while(1);                             // NOP
}

// Basic Timer interrupt service routine
interrupt[BASICTIMER_VECTOR] void basic_timer(void) {

      ADC12CTL0 |= ADC12SC;   // start conversion
}

  // ADC interrupt service routine
interrupt[ADC_VECTOR] void adc(void) {

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

   //  The following code combines code writen by
   //  Mat Mahin of UNF to get display output for the
   //  AD590 Analog Device temperature sensor.
   //  This code will work for deg F up to 199.  For
   //  deg F of 200 and greater, modifications need to
   //  be made on handling the display.  A separate lcd
   //  file is developed for this case:  lcdHigh.c
   //  Prepared by W. L. Green ECE Department, University
   //  of Tennessee;  March, 2006

     sample = ADC12MEM6;

    if(sample < 150){

     lcd_scroll("Connect Sensor");
     wait_ms(2000);

     }else{



//AD22103 Code

//   lcd_scroll("AD22103");

//    XIN = ((sample*A) - A1)/B;




//    AD590 Code

//    lcd_scroll("AD590");

     XIN = ((sample * .613*0.2)-273.2);



   //  Filter the signal with an 8th order moving average
   //  filter.

    SIGK = (XIN + XIN4 + XIN5 + XIN6 + XIN7 + XIN1 + XIN2 + XIN3)*0.125;
      if(XIN7 == 0 ){ XIN7 = XIN;}else{ XIN7 = XIN6;}
      if(XIN6 == 0 ){ XIN6 = XIN;}else{ XIN6 = XIN5;}
      if(XIN5 == 0 ){ XIN5 = XIN;}else{ XIN5 = XIN4;}
      if(XIN4 == 0 ){ XIN4 = XIN;}else{ XIN4 = XIN3;}
      if(XIN3 == 0 ){ XIN3 = XIN;}else{ XIN3 = XIN2;}
      if(XIN2 == 0 ){ XIN2 = XIN;}else{ XIN2 = XIN1;}
      XIN1 = XIN;

    CDEG = (SIGK);       //converting from Kelvin to deg C
    FDEG =  1.8*CDEG + 32.0;           // converting from deg C to deg F



//    wait_ms(2000);

// Output the sample rate (useful for debugging)

//    lcd_word(sample,0);

  //   wait_ms(2000);

    lcd_word(100*CDEG, 2);            // the l00 moves the position of CDEG
                                     // on the display 2 positions to the left

    //lcd_char(1,' ');               // The 1 corresponds to the second 
 position from
                                     // the right on thedisplay.  The ' ' 
 places a
                                     // space in this position.  Take out 
 if you want
                                     // a decimal with the temperature 
 display.

    lcd_char(0,'C');                 // The 0 corresponds to the first 
 positin on the
                                     // right side of the display.  The 
 'C' causes a C
                                     // to be displayed in this position

    wait_ms(2000);                   // Waits 200 milliseconds then 
 displays deg F

    lcd_word(100*FDEG, 2);           // The l00 moves the position of FDEG on
                                     // the display, 2 positions to the left

    lcd_char(1,' ');               // See the above statement

    lcd_char(0, 'F');                // See the above statement

    wait_ms(2000);                   // Wait 2000 milliseconds.  The 
 program then moves
                                     // back to lcd_word(100*CDEG, 0) and 
 continues as
                                     // a loop
      }
   }