CCS/MSP430FR2355: CCS/MSP430FR2355

Part Number:MSP430FR2355

Tool/software: Code Composer Studio

Now I am able to send ADC data to RealTerm with the help of this code:-

#include <msp430.h>
void init_uart();
unsigned  long int ADC_Result;
int main(void)
{
    WDTCTL = WDTPW | WDTHOLD;                                // Stop WDT
    init_uart();
    // Configure GPIO
    P1DIR |= BIT0;                                           // Set P1.0/LED to output direction
    P1OUT &= ~BIT0;                                          // P1.0 LED off

    // Configure ADC A1 pin
    P1SEL0 |= BIT1;
    P1SEL1 |= BIT1;

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

    // Configure ADC12
    ADCCTL0 |= ADCSHT_2 | ADCON;                             // ADCON, S&H=16 ADC clks
    ADCCTL1 |= ADCSHP;                                       // ADCCLK = MODOSC; sampling timer
    ADCCTL2 &= ~ADCRES;                                      // clear ADCRES in ADCCTL
    ADCCTL2 |= ADCRES_2;                                     // 12-bit conversion results
    ADCMCTL0 |= ADCINCH_1;                                   // A1 ADC input select; Vref=AVCC
    ADCIE |= ADCIE0;                                         // Enable ADC conv complete interrupt

    while(1)
    {
     while(ADCCTL1 & ADCBUSY);                                // Wait if ADC core is active
     ADCCTL0 |= ADCENC | ADCSC;                           // Sampling and conversion start
     __bis_SR_register(LPM0_bits | GIE);                  // LPM0, ADC_ISR will force exit
     __no_operation(); // For debug only
     while (!(UCA0IFG & UCTXIFG));          // wait for USCI_A0 TX buffer to ready
     UCA0TXBUF=ADC_Result;
     if (ADC_Result < 0x7FF)
        P1OUT &= ~BIT0;                                  // Clear P1.0 LED off
     else
        P1OUT |= BIT0;                                   // Set P1.0 LED on
     __delay_cycles(5000);
    }
}
void init_uart()
{
    // Configure UART pins
    P1SEL0 |= BIT6 | BIT7;                    // set 2-UART pin as second function
    // Configure UART
    UCA0CTLW0 |= UCSWRST;                     //Sets softare reset enable
    UCA0CTLW0 |= UCSSEL__SMCLK;               // Set SMCLK as BRCLK to be used for baud rate of 115200
                                             // Baud Rate calculation. Setting BaudRate to 115200
    UCA0BR0 = 8;                              // 1000000/115200 = 8.68 INT(N) = 8
    UCA0MCTLW = 0xD600;                       // 1000000/115200 - INT(1000000/115200)=0.68
    UCA0BR1 = 0x00;                              // UCBRSx value = 0xD6
    UCA0CTLW0 &= ~UCSWRST;                    // Initialize eUSCI
}
// ADC interrupt service routine
#if defined(__TI_COMPILER_VERSION__) || defined(__IAR_SYSTEMS_ICC__)
#pragma vector=ADC_VECTOR
__interrupt void ADC_ISR(void)
#elif defined(__GNUC__)
void __attribute__ ((interrupt(ADC_VECTOR))) ADC_ISR (void)
#else
#error Compiler not supported!
#endif
{
    switch(__even_in_range(ADCIV,ADCIV_ADCIFG))
    {
        case ADCIV_NONE:
            break;
        case ADCIV_ADCOVIFG:
            break;
        case ADCIV_ADCTOVIFG:
            break;
        case ADCIV_ADCHIIFG:
            break;
        case ADCIV_ADCLOIFG:
            break;
        case ADCIV_ADCINIFG:
            break;
        case ADCIV_ADCIFG:
            ADC_Result = ADCMEM0;
            __bic_SR_register_on_exit(LPM0_bits);            // Clear CPUOFF bit from LPM0
            break;
        default:
            break;
    }
}