CCS/MSP430FR6972: msp430fr6972

RTC INTERRUPT :

#pragma vector=RTC_VECTOR
__interrupt void RTC_ISR(void)
{
    switch(__even_in_range(RTCIV, RTCIV_RT1PSIFG))
    {
        case RTCIV_NONE:      break;        // No interrupts
        case RTCIV_RTCOFIFG:  break;        // RTCOFIFG
        case RTCIV_RTCRDYIFG:               // RTCRDYIFG
      //      putchar('R');
      //      LPM3_EXIT;
            break;
        case RTCIV_RTCTEVIFG:               // RTCEVIFG
//            __no_operation();               // Interrupts every minute

     //       putchar('R');
     //       LPM3_EXIT;
            break;
        case RTCIV_RTCAIFG:
            putchar('R');
            LPM3_EXIT;
             break;                         // RTCAIFG

        case RTCIV_RT0PSIFG:  break;        // RT0PSIFG
        case RTCIV_RT1PSIFG:  break;        // RT1PSIFG
        default: break;
    }
}


MAIN PROGRAM  :

int main(void)
{
   WDTCTL = WDTPW | WDTHOLD;   // stop watchdog timer


     PJSEL0 = BIT4 | BIT5 ;                   // For LFXT
       //     PJSEL0 |= BIT6 | BIT7;                   // For LFXT

      //===================interrupt touch key======================================

     //          P1IES = BIT1;                             // P1.2 Hi/Lo edge
     //          P1IFG = 0;                                // Clear all P1 interrupt flags
     //          P1IE = BIT1;                              // P1.2 interrupt enabled
    //========================================================================


            PM5CTL0 &= ~LOCKLPM5;

             // XT1 Setup
             CSCTL0_H = CSKEY >> 8;                    // Unlock CS registers
             CSCTL1 = DCOFSEL_0;                       // Set DCO to 1MHz
             CSCTL2 = SELA__LFXTCLK | SELS__DCOCLK | SELM__DCOCLK;
             CSCTL3 = DIVA__1 | DIVS__1 | DIVM__1;     // Set all dividers to 1
             CSCTL4 &= ~LFXTOFF;                       // Enable LFXT1
             do
             {
               CSCTL5 &= ~LFXTOFFG;                    // Clear XT1 fault flag
               SFRIFG1 &= ~OFIFG;
             }while (SFRIFG1&OFIFG);                   // Test oscillator fault flag
             CSCTL0_H = 0;                             // Lock CS registers

  //=====================================
             GPIO_init();
             LCD_init();
             UART_init();
             lcd_display_buf();

 //============================Interrupt==============
             P1IES |= 0x02;                            // P1.1
             P1IFG &= ~0x02;                           // P1.1
             P1IE |= 0x02;                             // P1.1

 //====================TIMER==========================
             TA0CCTL0 |= CCIE;
             TA0CCR0 = 32768;
             TA0CTL |= TASSEL_1 | MC_1 ;

//===================RTC===============================

                 RTCCTL0_H = RTCKEY_H;                              // Unlock RTC
     //            RTCCTL0_L = RTCOFIE | RTCAIE | RTCRDYIE | RTCTEVIE;        // enable RTC read ready interrupt
                                                         // enable RTC time event interrupt
                 RTCCTL0_L = RTCAIE;

               //  RTCCTL1 = RTCBCD | RTCHOLD | RTCMODE;   // RTC enable, BCD mode, RTC hold
                 RTCCTL1 = RTCBCD | RTCHOLD | RTCMODE | RTCTEV_0;                   ////Now trying for minutes (5 minutes)

                     RTCYEAR = 0x2010;                       // Year = 0x2010
                     RTCMON = 0x4;                           // Month = 0x04 = April
                     RTCDAY = 0x05;                          // Day = 0x05 = 5th
                     RTCDOW = 0x01;                          // Day of week = 0x01 = Monday
                     RTCHOUR = 0x10;                         // Hour = 0x10
                     RTCMIN = 0x32;                          // Minute = 0x32
                     RTCSEC = 0x45;                          // Seconds = 0x45

                     RTCAHOUR = 0x12;                       //0b10000010
                     RTCAMIN =  0x15;                      //0b10000101

                    RTCCTL1 &= ~(RTCHOLD);                  // Start RTC

                      putchar('5');
                         

                         while(1)
                     {
                          __bis_SR_register(LPM3_bits | GIE);

             }
//  return 0;
}
     
NOTE  : I am using UART, PORT interrupt, Timer,LCD also.(These are working fine)