HOW TO SEND AND RECEIVE DATA SIMULTANEOUSLY USING UART IN MSP430G2553

Hello all, 

I need to send as well as receive data using msp430 mcu uart, i'm using the following code and it sends all the data correctly through TX, but I cannot write anything to send it into mcu, please tell me what is wrong here. The code is as follows: 

#include <msp430g2553.h>
#include <stdbool.h>
////////////////Defines////////////////
#define LED1 BIT6
#define LED0 BIT0
#define Error BIT0
#define GND BIT4
#define DAT BIT5
#define VCC BIT0 //port P2.0
char buffer[4];
float temp,v;
int n_temp,r_temp;

////////////////Function Protos////////////////

static char *i2a(unsigned i, char *a, unsigned r)
{
if (i/r > 0) a = i2a(i/r,a,r);
*a = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"[i%r];
return a+1;
}

char *itoa(int i, char *a, int r)
{
if ((r < 2) || (r > 36)) r = 10;
if (i < 0)
{
*a = '-';
*i2a(-(unsigned)i,a+1,r) = 0;
}
else *i2a(i,a,r) = 0;
return a;
}

void TX(char *tx_message)
{
unsigned int i=0; //Define end of string loop int
char *message; // message variable
unsigned int message_num; // define ascii int version variable
message = tx_message; // move tx_message into message
while(1)
{
if(message[i]==0) // If end of input string is reached, break loop.
{break;}
message_num = (int)message[i]; //Cast string char into a int variable
UCA0TXBUF = message_num; // write INT to TX buffer
i++; // increase string index
__delay_cycles(10000); //transmission delay
if(i>50) //prevent infinite transmit
{
P1OUT |= Error;
break;
}
} // End TX Main While Loop
} // End TX Function
void m4302553_Init()
{
ADC10CTL0= ADC10ON + ADC10SHT_3+ADC10IE; ; //Temperature sensor supply REFON = 0, INCHx = 0Ah,
//only ISENSOR current as reference,64 clocks for sample HOLDING TIME
ADC10CTL1=INCH_10+ ADC10DIV_3; // ADC10clock/4, as 30 MicroSeconds is bare minimum

}

void lm_init()
{
/* Configure ADC Channel */
ADC10CTL0 = SREF_1+REFON+ADC10SHT_3 + ADC10ON + ADC10IE; //1.5v internal as reference
ADC10CTL1 = INCH_5 + ADC10DIV_3 ; // Channel 5, ADC10CLK/4

}
void opto101pj_init()
{
ADC10CTL0 = SREF_0 + ADC10SHT_3 + ADC10ON + ADC10IE; //Vcc & Vss as reference
ADC10CTL1 = INCH_7 + ADC10DIV_3 ; // Channel 5, ADC10CLK/4

}
void inputvcc_init()
{
ADC10CTL0 = SREF_1 +ADC10ON + REFON + REF2_5V + ADC10SHT_3+ADC10IE; // use internal ref, turn on 2.5V ref, set samp time = 64 cycles
ADC10CTL1 = INCH_11+ADC10DIV_3;

}
//void re200b_p_init()
//{
// /* Configure ADC Channel */
// ADC10CTL0 = SREF_0+ADC10SHT_3 + ADC10ON + ADC10IE; //vcc as reference
// ADC10CTL1 = INCH_3 + ADC10DIV_3 ; // Channel 3, ADC10CLK/4
//}
////////////////////////////////MAIN PROGRAM LOOP//////////////////////////////////////////////////
void main(void)
{
while(1)
////////////////Main Loop////////////////
{
WDTCTL = WDTPW + WDTHOLD; // Stop WDT
BCSCTL1 = CALBC1_1MHZ; // Set DCO to 1MHz
DCOCTL = CALDCO_1MHZ;

////////////////USCI setup////////////////
P1SEL = BIT1 + BIT2; // Set P1.1 to RXD and P1.2 to TXD
P1SEL2 = BIT1 + BIT2; //
UCA0CTL1 |= UCSSEL_2; // Have USCI use SMCLK AKA 1MHz main CLK
UCA0BR0 = 104; // Baud: 9600, N= CLK/Baud, N= 10^6 / 9600
UCA0MCTL = UCBRS_1; // Modulation UCBRSx = 1
UCA0CTL1 &= ~UCSWRST; // Start USCI
IE2 |= UCA0RXIE;//enable rx interrupt

////////////////General GPIO Defines////////////////
P1DIR |= (LED1+GND+LED0); //Define GPIOs as outputs else GPIOs are inputs
P2DIR |=VCC+BIT1;
P1OUT&=~GND;

int value2,value,value1,value3,value4;
ADC10CTL0 &= ~ENC;

//vcc
inputvcc_init();
__delay_cycles(1000); // Wait for ADC Ref to settle
ADC10CTL0 |= ENC + ADC10SC; // Sampling and conversion start
__bis_SR_register(CPUOFF + GIE); // LPM0 with interrupts enabled
value = ADC10MEM;
itoa( value , buffer, 10);
TX(buffer);
TX("/");
ADC10CTL0 &= ~ENC;

//LM35
lm_init();
__delay_cycles(1000);
P1OUT = LED0;
ADC10CTL0 |= ENC + ADC10SC;
__bis_SR_register(CPUOFF + GIE);
value4 = ADC10MEM;
itoa( value4 , buffer, 10);
TX(buffer);
TX("/");
ADC10CTL0&=~ENC;

//2553
m4302553_Init();
__delay_cycles(1000);
ADC10CTL0 |= ENC + ADC10SC;
__bis_SR_register(CPUOFF + GIE);
value2 = ADC10MEM;
itoa(value2, buffer, 10);
TX(buffer);
TX("/");
P1OUT &=~LED0;
ADC10CTL0&=~ENC;

//OPTO101
P1OUT =LED1;
opto101pj_init();
__delay_cycles(1000);
ADC10CTL0 |= ENC + ADC10SC;
__bis_SR_register(CPUOFF + GIE);
value3 = ADC10MEM;
itoa(value3, buffer, 10);
TX(buffer);
TX("/");
//
// //PIR sensor
// re200b_p_init();
// __delay_cycles(1000);
// ADC10CTL0 |= ENC + ADC10SC;
// __bis_SR_register(CPUOFF + GIE);
// value1 = ADC10MEM;
// itoa(value1, buffer, 10);
// TX(buffer);
P1OUT &=~LED1;
_delay_cycles(996000);//+4*1000 DELAYS MAKE APPROX 1 SEC TOTAL
} // End While
} // End Main Program

// ADC10 interrupt service routine
#pragma vector=ADC10_VECTOR
__interrupt void ADC10_ISR (void)
{
__bic_SR_register_on_exit(CPUOFF); // Return to active mode

}
#pragma vector=USCIAB0RX_VECTOR
__interrupt void USCI0RX_ISR(void)

{

if(UCA0RXBUF == 1) //Toggle LED if "1" RXed
{
P2OUT = BIT1;
}

if(UCA0RXBUF == 0) //Toggle LED if "0" RXed
{
P2OUT &=~ BIT1;
}
}

but it doesn't let me set high or low that pin 2.1, neither am I capable of sending anything to mcu using Hyperterminal or Tera Term, while data comes perfectly all the time. Please help :'\