MSP432 Rx from SIM900 doest not receive data...

#include "driverlib.h"

#define BUFF_SIZE 8
char data2[BUFF_SIZE];
static volatile int i;
static volatile int flag=0;


char receive[]={'+','C','M','T','I',':',' ','"','S','M','"',','};   //'1'};//"+CMTI: "SM",1

//char receive1[]= {'+','C','M','G','R',':'}; // checking for receive for CMGR
char receive1[]= {"+CMGR:"}; // checking for receive for CMGR

//char receive1[]={'+','C','M','G','R',':','"','R','E','C',' ','U','N','R','E','A','D','"',',','"','+','4','6','7','2','8','7','4','7','0','7','6111','0','0','0',};
//59


/* UART Configuration Parameter. These are the configuration parameters to
 * make the eUSCI A UART module to operate with a 9600 baud rate. These
 * values were calculated using the online calculator that TI provides
 * at:
 *software-dl.ti.com/.../index.html
 */
const eUSCI_UART_Config uartConfig =
{
        EUSCI_A_UART_CLOCKSOURCE_SMCLK,          // SMCLK Clock Source
        78,                                     // BRDIV = 78
        2,                                       // UCxBRF = 2
        0,                                       // UCxBRS = 0
        EUSCI_A_UART_NO_PARITY,                  // No Parity
        EUSCI_A_UART_LSB_FIRST,                  // LSB First
        EUSCI_A_UART_ONE_STOP_BIT,               // One stop bit
        EUSCI_A_UART_MODE,                       // UART mode
        EUSCI_A_UART_OVERSAMPLING_BAUDRATE_GENERATION  // Oversampling
};

void status();
void init_gsm();
void uart_putc(unsigned char c);
void uart_puts(char *str);


void main(void)
{
	 /* Halting WDT  */
		    MAP_WDT_A_holdTimer();
lcd_init();
send_string("UART to LCD ");
send_command(0xC0);// all the information will be on 2nd line

/* Selecting P1.2 and P1.3 in UART mode */
   MAP_GPIO_setAsPeripheralModuleFunctionInputPin(GPIO_PORT_P1,GPIO_PIN1 | GPIO_PIN2 | GPIO_PIN3, GPIO_PRIMARY_MODULE_FUNCTION);

   /* Setting DCO to 12MHz */
   CS_setDCOCenteredFrequency(CS_DCO_FREQUENCY_12);

   /* Configuring UART Module */
 MAP_UART_initModule(EUSCI_A0_BASE, &uartConfig);

   /* Enable UART module */
 MAP_UART_enableModule(EUSCI_A0_BASE);

 // enable Interrupts
 enable_interrupt();

  // GSM Initiatlisation
	init_gsm();


 while(1)
}


void EUSCIA0_IRQHandler(void)
{
	uint32_t status = MAP_UART_getEnabledInterruptStatus(EUSCI_A0_BASE);
    MAP_UART_clearInterruptFlag(EUSCI_A0_BASE, status);
    if(status & EUSCI_A_UART_RECEIVE_INTERRUPT)
	{
	  data2[i] = UCA0RXBUF;
	  i++;
	 printf("Data%d: %c\n",i,data2[i]);
}
}

void uart_puts(char *str)				//Sends a String to the UART.
{
     while(*str)
     {
     MAP_UART_transmitData(EUSCI_A0_BASE,*str++);
     }
}

void uart_putc(unsigned char c)           //Sends a char to the UART.
{
	MAP_UART_transmitData(EUSCI_A0_BASE,c);
}


void enable_interrupt()

{
 MAP_UART_enableInterrupt(EUSCI_A0_BASE, EUSCI_A_UART_RECEIVE_INTERRUPT);
 MAP_Interrupt_enableInterrupt(INT_EUSCIA0);
 MAP_Interrupt_enableSleepOnIsrExit();
 MAP_Interrupt_enableMaster();
}


void init_gsm()
{
	uart_puts((char *)"AT"); // AT commands to initialize gsm modem
		uart_putc(0x0D);
		uart_putc(0x0A);
	__delay_cycles(5000000);
	uart_puts((char *)"ATe0"); // AT commands to initialize gsm modem
	uart_putc(0x0D);
	uart_putc(0x0A);
			__delay_cycles(5000000);

		uart_puts((char *)"AT+CMGF=1"); // AT commands to initialize gsm modem
		uart_putc(0x0D);
		uart_putc(0x0A);
			__delay_cycles(5000000);

			uart_puts((char *)"AT+CREG=1"); // AT commands to initialize gsm modem
			uart_putc(0x0D);
			uart_putc(0x0A);
									__delay_cycles(5000000);

			uart_puts((char *)"AT+IPR=9600"); // AT commands to initialize gsm modem
			uart_putc(0x0D);
			uart_putc(0x0A);
							__delay_cycles(5000000);

			uart_puts((char *)"AT&W"); // AT commands to initialize gsm modem
			uart_putc(0x0D);
			uart_putc(0x0A);
							__delay_cycles(5000000);
				uart_puts((char *)"AT+CMGR=1"); // AT commands to initialize gsm modem
				uart_putc(0x0D);
				uart_putc(0x0A);
				__delay_cycles(7000000);
			/*	uart_puts((char *) "AT+CMGS=\"0016605415305\""); // 
				uart_putc(0x0D);
				uart_putc(0x0A);
				__delay_cycles(5000000);

				uart_puts((char *) "Sending the Message");
				__delay_cycles(5000000);
			    uart_putc(0x1A);
*/

}