TMP104 MSP430 reference Code

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#include <stdio.h>
#include "msp430g2553.h"
#include "grlib.h"
#include "LcdDriver/Sharp96x96.h"


// Function Prototypes
void clockInit(void);
void boardInit(void);
void timerInit(void);
void flashInit(void);
void timerInit(void);
void uartInit(void);
void Delay_long(void);
void Delay_short(void);

// Global variables
tContext g_sContext;

void main(void)
{
    // Stop WDT
    WDTCTL = WDTPW + WDTHOLD;

    // Initialize the boards
    boardInit();
    clockInit();
    timerInit();
    flashInit();
    uartInit();

    __bis_SR_register(GIE);

    // Set up the LCD
    Sharp96x96_LCDInit();
    GrContextInit(&g_sContext, &g_sharp96x96LCD);
    GrContextForegroundSet(&g_sContext, ClrBlack);
    GrContextBackgroundSet(&g_sContext, ClrWhite);
    GrContextFontSet(&g_sContext, &g_sFontFixed6x8);
    GrClearDisplay(&g_sContext);
    GrFlush(&g_sContext);

    unsigned short i;
    unsigned short sensor_cnt;
    unsigned short line_cnt;
    char buf[20];
    char msg[20];
while(1){

    while (!(IFG2&UCA0TXIFG));                // USCI_A0 TX buffer ready?
    UCA0TXBUF = 0x55;
    while (!(IFG2&UCA0TXIFG));                // USCI_A0 TX buffer ready?
    UCA0TXBUF = 0x8C;
    while (!(IFG2&UCA0TXIFG));                // USCI_A0 TX buffer ready?
    UCA0TXBUF = 0x90;

    while (!(IFG2&UCA0RXIFG));
    buf[0] = UCA0RXBUF;
    while (!(IFG2&UCA0RXIFG));
    buf[1] = UCA0RXBUF;
    while (!(IFG2&UCA0RXIFG));
    buf[2] = UCA0RXBUF;
    sensor_cnt = buf[2] - 0x90;
    line_cnt = sensor_cnt;
    if (line_cnt & 1) {
    	line_cnt++;
    }
    line_cnt = line_cnt >> 1;


    while (!(IFG2&UCA0TXIFG));
    UCA0TXBUF = 0x55;
    while (!(IFG2&UCA0TXIFG));
    UCA0TXBUF = 0xF1;

    while (!(IFG2&UCA0RXIFG));
    buf[0] = UCA0RXBUF;
    while (!(IFG2&UCA0RXIFG));
    buf[1] = UCA0RXBUF;
    for(i=0; i<sensor_cnt; i++) {
    	while (!(IFG2&UCA0RXIFG));
    	buf[i] = UCA0RXBUF;
    }

    GrClearDisplay(&g_sContext);
    GrStringDrawCentered(&g_sContext,"TMP104",AUTO_STRING_LENGTH,48,4,TRANSPARENT_TEXT);
    for(i=0; i<line_cnt; i++) {
    	if ((i==line_cnt-1)&(sensor_cnt & 1)) {
    		sprintf(msg, "%x: %dC        ",i*2,buf[i*2]);
    	}
    	else{
    		sprintf(msg, "%x: %dC  %x: %dC",i*2,buf[i*2],(i*2)+1,buf[(i*2)+1]);
    	}
    	GrStringDrawCentered(&g_sContext,msg,AUTO_STRING_LENGTH,48,i*8+4+8,TRANSPARENT_TEXT);
    }
    GrFlush(&g_sContext);
    Delay_long();
}

}

void clockInit(void)
{
    // Set DCO frequency at 8MHz
    // ACLK	= VLO/1
    // SMCLK= DCO/1
    // MCLK	= DCO/1
    // If calibration constant erased
    if (CALBC1_8MHZ==0xFF)
    {
        // do not load, trap CPU!!
       while(1);
    }
    DCOCTL = 0;
    BCSCTL1 = CALBC1_8MHZ;
    DCOCTL = CALDCO_8MHZ;
    BCSCTL3 |= LFXT1S_2;
}

void boardInit()
{
    // Set all port as outputs and drive pins low
    P1OUT = 0;
    P2OUT = 0;
    P3OUT = 0;
    P1DIR = 0xFF;
    P2DIR = 0xFF;
    P3DIR = 0xFF;
}

void flashInit()
{
    // Configure flash memory timing
    // MCLK/18 for Flash Timing Generator
    // 8MHz/(16+1+1) =  444.44 KHz
    FCTL2 = FWKEY + FSSEL0 + FN4 + FN0;

}

void timerInit()
{
	TA0CTL = TASSEL_2 +ID_3+ MC_1+ TAIE +TACLR;
	TA0CCTL0 |= CCIE;
	TA0CCR0 = 32000-1;
}

void uartInit()
{
	P1SEL = BIT1 + BIT2 ;                     // P1.1 = RXD, P1.2=TXD
	P1SEL2 = BIT1 + BIT2;
	UCA0CTL1 |= UCSSEL_2;                     // SMCLK
	UCA0BR0 = 69;                              // 1MHz 115200
	UCA0BR1 = 0;                              // 1MHz 115200
	UCA0MCTL = UCBRS2; //+ UCBRS0;               // Modulation UCBRSx = 5
	UCA0CTL1 &= ~UCSWRST;                     // **Initialize USCI state machine**
	//IE2 |= UCA0RXIE;                          // Enable USCI_A0 RX interrupt
	//IE2 |= UCA0RXIE + UCA0TXIE;               // Enable USCI_A0 TX/RX interrupt
	//UCABRx and UCBRSx reconfigured based on slau144 page 424 table
	//produces 115200 baud rate with 8MHz core clock used in grlib demo
}

void Delay_long()
{
    __delay_cycles(SYSTEM_CLOCK_SPEED * 4);
}


void Delay_short()
{
    __delay_cycles(SYSTEM_CLOCK_SPEED * 0.25);
}



#pragma vector=TIMER0_A0_VECTOR
__interrupt void TIMER0_A0_ISR(void)
{
	Sharp96x96_SendToggleVCOMCommand();
	TA0CCR0 += 32000-1;
	TA0CTL &= ~TAIFG;

}