[参考译文] MSP430FR5994：使用&'doube'声明会导致调试崩溃

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

    initClock();
    initGpio();

    PM5CTL0 &= ~LOCKLPM5;           // Clear lock bit

    // vm1010 mode pin (P6.1), o/p, low at start for normal mode
    P6OUT &= ~BIT1;             // vm1010
    P6DIR |= BIT1;              // vm1010
    // vm1010 mic power on (P6.2)
    P6OUT |= BIT2;              // vm1010
    P6DIR |= BIT2;              // vm1010

    // vm1010 mode pin, o/p, high for WoS mode
    P6OUT |= BIT1;              // vm1010

    P5IFG &= ~BIT6;             // Clear interrupt on P5.6
    P5IE |= BIT6;               // Enable interrupt on P5.6
    P5IFG &= ~BIT5;             // Clear interrupt on P5.5
    P5IE |= BIT5;               // Enable interrupt on P5.5

    // vm1010
    P5IFG &= ~BIT7;             // Clear interrupt on P5.7
    P5IE |= BIT7;               // Enable interrupt on P5.7

    // Enable Switch interrupt
    GPIO_clearInterrupt(PUSHBUTTON1_PORT, PUSHBUTTON1_PIN);
    GPIO_enableInterrupt(PUSHBUTTON1_PORT, PUSHBUTTON1_PIN);

    // Initialize DAC
	DAC8311_init();

	// Set the DAC to low power mode with output high-Z
	DAC8311_setLowPowerMode(DAC8311_OUTPUT_HIGHZ);

	__bis_SR_register(GIE);

    // Starts the application. It is a function that never returns.
    runApplication();

    return 1;
}

void runApplication(void)
{
    while(1)
    {
        P5IE &= ~BIT7;      // Disable interrupt on P5.7 // vm1010
        P5IE &= ~BIT6;      // Disable interrupt on P5.6
        P5IE &= ~BIT5;      // Disable interrupt on P5.5

		// Disable button interrupt
		GPIO_disableInterrupt(PUSHBUTTON1_PORT, PUSHBUTTON1_PIN);

    	switch(applicationMode)
        {
    	    volatile uint16_t j;
            case RECORD:
*                runRecord();
*                amplify_data();
*                fft_init();
                while(window_number < 64)
                {
                    fft_cal();
                }
                window_number=0;
                for(j = 1; j < (VECTOR_SIZE / 2); j++)  // vm1010
                {
                    // vm1010
                    real = fft_res[2 * j] << 2;
                    imag = fft_res[2 * j + 1] << 2;
                    if(real < 0)
                    {
                        real_abs = ~real + 1;
                    }
                    else
                    {
                        real_abs = real;
                    }
                    if(imag < 0)
                    {
                        imag_abs = ~imag + 1;
                    }
                    else
                    {
                        imag_abs = imag;
                    }
                    if(real_abs >= imag_abs)
                    {
                        max = real_abs;
                        min = imag_abs;
                    }
                    else
                    {
                        max = imag_abs;
                        min = real_abs;
                    }
                    mag = max + 3 * (min >> 3);
                    FFT_data[j] = mag << 1;
                }
                break;
            default: break;
        }

        // Toggle app mode
		applicationMode = DEFAULT;

		P6OUT &= ~BIT1;                 // vm1010

		// Set a Switch debounce to 500ms
        __delay_cycles(0.5 * __SYSTEM_FREQUENCY_MHZ__);

        P5IFG &= ~BIT6;                 // Clear interrupt on P5.6
        P5IE |= BIT6;                   // Enable interrupt on P5.6
        P5IFG &= ~BIT5;                 // Clear interrupt on P5.5
        P5IE |= BIT5;                   // Enable interrupt on P5.5
        P5IFG &= ~BIT7;                 // Clear interrupt on P5.7 // vm1010
        P5IE |= BIT7;                   // Enable interrupt on P5.7 // vm1010
        // vm1010 mode pin, o/p, high for WoS mode
        P6OUT |= BIT1;  // vm1010

        GPIO_clearInterrupt(PUSHBUTTON1_PORT, PUSHBUTTON1_PIN);        // Clear the interrupt flag
        GPIO_enableInterrupt(PUSHBUTTON1_PORT, PUSHBUTTON1_PIN);       // Re-enable the interrupt

        // Enter low power mode
        
*		__bis_SR_register(LPM4_bits + GIE);
		
		float mfcc_result;
		float mfcc_value[13];
		float mfcc_features_f[12];
*        if(FFT_data[1] != 0)
        {
            // MFCC Calculations can be included here

            double spectrum[512];  // when double changes to float - the code runs correctly
            int i;
            for(i=0;i<512;i++)
            {
                spectrum[i] = (double)FFT_data[i];
            }