MSP430FR2633: UART Tx Issue

Part Number: MSP430FR2633

Hi,

I am new to the MSP430FR2633 device. In my application I need two UART so I have choose it.

Right now I have a interface XBee with UCA1 port of UARTs pin and working on 9600 Baud.

The data from  XBee to uC on UART receive perfectly. but the data what I wana to send from uC to Xbee is unable to do. Can any one check my code I have a written perfect or not ?

I have also seen on Oscilloscope, in oscilloscope the Tx and Rx data I can see. All Helps are welcome.

int main(void)

{
  WDTCTL = WDTPW | WDTHOLD;                 // Stop watchdog timer

   PM5CTL0 &= ~LOCKLPM5;                     // Disable the GPIO power-on default high-impedance mode
                                            // to activate 1previously configured port settings

   P2SEL0 |= BIT6 | BIT5;                    // set 2-UART pin as second function

   // Configure UART
   UCA1CTLW0 |= UCSWRST;
   UCA1CTLW0 |= UCSSEL__SMCLK;                    // set ACLK as BRCLK

   // Baud Rate calculation. Referred to UG 17.3.10
   // (1) N=32768/4800=6.827
   // (2) OS16=0, UCBRx=INT(N)=6
   // (4) Fractional portion = 0.827. Refered to UG Table 17-4, UCBRSx=0xEE.
   UCA1BR0 = 6;                              // INT(32768/4800)
   UCA1BR1 = 0x00;
   UCA1MCTLW = 0x2000 | UCOS16 | UCBRF_8;

   UCA1CTLW0 &= ~UCSWRST;                    // Initialize eUSCI
   UCA1IE |= UCRXIE;                         // Enable USCI_A0 RX interrupt

   //__bis_SR_register(GIE);         // Enter LPM3, interrupts enabled


   while(1)
   {


	   __bis_SR_register(LPM0_bits | GIE);         // Enter LPM3, interrupts enable

   }

 }
#pragma vector=USCI_A1_VECTOR
__interrupt void USCI_A1_ISR(void)
{
  switch(__even_in_range(UCA1IV,USCI_UART_UCTXCPTIFG))
  {
    case USCI_NONE: break;
    case USCI_UART_UCRXIFG:
     {
      uart_received_frame();
     }
     //UCA0IE &= ~UCTXIE;
     break;
    case USCI_UART_UCTXIFG:
    {
      Trasnmit_Frame();

    }
    UCA1IE |= UCRXIE;
     break;
    case USCI_UART_UCSTTIFG: break;
    case USCI_UART_UCTXCPTIFG: break;
    default: break;
  }
}


void Trasnmit_Frame()
{
 UCA1TXBUF = Send_Data[Pointer++];
   if(Pointer > 18)
     {
       UCA1IE &= ~UCTXIE;
        Pointer = 0;
        Reading = 0;
        Checksum = 0;

       }
}