MSP430FR6922: Reset controller using watch dog timer if stuck in while loop.

int main(void)
{
   WDTCTL = WDT_ARST_1000 ;                 // Stop WDT

   dev_init_16M();                           // Microcontroller set on 16MHz
 
   __enable_interrupt();                     // Re-enable all interrupts
   __bis_SR_register(GIE);                   // Enter LPM3, interrupts enabled

  DelayStart=1;

  while (1)
  {
     if(DelayStart==1)                       // For sample 1 send LC data after every 1 sec to tare the LC readings
      {
         // (DCO=MCLK=16MHZ )so,
         // Count/MCLK freq=Time
         // 16000000/16MHz=1sec
         __delay_cycles(16000000);                        // delay calculate on 16 MHz

         //timer interrupt on
         while(!((P4IN&BIT6)==1)){}                       // Wait until data ready
         CurrentLCValue=ReadData();                       // Read load cell data
         CurrentLCValue1=CurrentLCValue&0x7FFF;

         LongtoInt.LongData=CurrentLCValue;               // Split 3 byte data into single byte
         giTransmitBuffer[0]=LongtoInt.ByteSplit[1];
         giTransmitBuffer[1]=LongtoInt.ByteSplit[0];
         giTransmitBuffer[2]=0x00;

         for(i=0;i<3;i++)      // Upto array from start to CRC lenth
         {
             while(!(UCA0IFG&UCTXIFG));
             UCA0TXBUF =  giTransmitBuffer[i];
         }
   }

}