MSP430FR6043: Water Flow Meter - Board connection in source code

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#include <msp430.h>
#include "main.h"
#include <stdio.h>

float volt;
float resistance;
float pressure;
float temperature;

USS_Algorithms_Results algorithms_Results;

static void checkCode(USS_message_code code, USS_message_code expectedCode);
static void handlePllUnlockEvent(void);
static void disableApplicationInterrupts(void);
static void enableApplicationInterrupts(void);

#if APPLICATION_ENABLE_UART_DEBUG
static void uartTxByte(char string);
static void uartTxHexByte(uint8_t Data);
static uint8_t nibbleToHex(uint8_t nibble);
static void uartTxUSSResult(uint8_t delimiter, float *data);
#endif

int main(void)
{
#if (APPLICATION_ENABLE_CHANNEL_SWAP == true)
    uint16_t appSwapInterval = APPLICATION_CHANNEL_SWAP_INTERVAL;
#endif

#if (APPLICATION_ENABLE_ABSTOF_DTOF_OFFSET_CALIBRATION == true)
    USS_dTof_absTof_offset_results abstoFDtofTestResults;
    USS_dTof_absTof_offset_test_config abstoFDtofTestConfig =
    {
         .numOfTestIterations        = APPLICATION_ABSTOF_DTOF_OFFSET_UPDATE_INTERVAL,
         .isUseLPMCapture            = APPLICATION_ABSTOF_DTOF_OFFSET_LPM_CAPTURE,
         .isCalculateUpsAbsTofOffset = APPLICATION_ABSTOF_DTOF_OFFSET_CALC_UPS_ABSTOF,
         .isCalculateDnsAbsTofOffset = APPLICATION_ABSTOF_DTOF_OFFSET_CALC_DNS_ABSTOF,
         .isCalculateDToFOffset      = APPLICATION_ABSTOF_DTOF_OFFSET_CALC_DTOF,
    };
#endif

    volatile USS_message_code code;
    USS_Algorithms_Results algResults;
    USS_calibration_hspll_results testResults;


    // Register PLL unlock event
    USS_registerHSPLLInterruptCallback(USS_HSPLL_Interrupt_PLLUNLOCK,
                                       &handlePllUnlockEvent);

    code = USS_configureUltrasonicMeasurement(&gUssSWConfig);
    checkCode(code, USS_message_code_no_error);

#if((USS_ALG_ABS_TOF_COMPUTATION_MODE == USS_ALG_ABS_TOF_COMPUTATION_MODE_LOBE_WIDE) || \
    (USS_ALG_ABS_TOF_COMPUTATION_MODE == USS_ALG_ABS_TOF_COMPUTATION_MODE_HILBERT_WIDE))
    // Reference binary pattern are only needed by
    // USS_Alg_AbsToF_Calculation_Option_lobeWide and
    // USS_Alg_AbsToF_Calculation_Option_hilbertWide AbsToF computation options
    if((USS_Alg_AbsToF_Calculation_Option_lobeWide ==
            gUssSWConfig.algorithmsConfig->absToFOption)
       || (USS_Alg_AbsToF_Calculation_Option_hilbertWide ==
               gUssSWConfig.algorithmsConfig->absToFOption))
    {
#if defined(__MSP430_HAS_SAPH_A__)
        if(USS_measurement_pulse_generation_mode_multi_tone ==
                gUssSWConfig.measurementConfig->pulseConfig->pulseGenMode)
        {
            code = USS_generateMultiToneBinaryPattern(&gUssSWConfig);
            checkCode(code, USS_message_code_no_error);
        }
#endif
        if(USS_measurement_pulse_generation_mode_multi_tone !=
                gUssSWConfig.measurementConfig->pulseConfig->pulseGenMode)
        {
            code = USS_generateMonoDualToneBinaryPattern(&gUssSWConfig);
            checkCode(code, USS_message_code_no_error);
        }
    }

#if (APPLICATION_ENABLE_BINARY_PATTERN_SIZE_SCALING == true)
    gUssSWConfig.algorithmsConfig->binaryPatternLength =
            (gUssSWConfig.captureConfig->sampleSize / APPLICATION_BINARY_PATTERN_SCALE_FACTOR);
#endif

#endif


    // Application must ensure no application level interrupts occur while
    // verifying HSPLL Frequency
    disableApplicationInterrupts();

    code = USS_verifyHSPLLFrequency(&gUssSWConfig, &testResults);

    // Application can re-enable interrupts after HSPLL verification
    enableApplicationInterrupts();

    checkCode(code, USS_message_code_no_error);

    gUssSWConfig.algorithmsConfig->clockRelativeError = _IQ27div((int32_t)(testResults.actualTestCount -
            testResults.expectedResult),testResults.expectedResult);

    code = USS_initAlgorithms(&gUssSWConfig);
    checkCode(code, USS_message_code_no_error);

#if (APPLICATION_ENABLE_SIGNAL_GAIN_CALIBRATION == true)
    code = USS_calibrateSignalGain(&gUssSWConfig);
    checkCode(code, USS_message_code_Signal_Gain_Calibration_successful);
#endif

#if (APPLICATION_ENABLE_ABSTOF_DTOF_OFFSET_CALIBRATION == true)
    code = USS_calculateOffsets(&gUssSWConfig, &abstoFDtofTestResults,
                                &abstoFDtofTestConfig);
    checkCode(code, USS_message_code_no_error);

    code = USS_updateAdditionalCaptureDelay(&gUssSWConfig,
          ((abstoFDtofTestResults.upsAbsToFOffset + abstoFDtofTestResults.dnsAbsToFOffset) /2.0f) -
          APPLICATION_ABSTOF_REFERENCE);
    checkCode(code, USS_message_code_no_error);

    code = USS_updateDtoFOffset(&gUssSWConfig, (-1.0f *abstoFDtofTestResults.dToFOffset));
    checkCode(code, USS_message_code_no_error);

#endif

    // Set the background timer period to 1 second
    USS_configAppTimerPeriod(&gUssSWConfig, gUssSWConfig.systemConfig->measurementPeriod);
    /************* ADC CONFIGURATION *******************/
    WDTCTL = WDTPW | WDTHOLD;               // Stop WDT

    // GPIO Setup
    P1SEL1 |= BIT0;                         // Configure P.1.0 for ADC
    P1SEL0 |= BIT0;
    P1SEL1 |= BIT1;                         // Configure P1.1 for ADC
    P1SEL0 |= BIT1;

    // Disable the GPIO power-on default high-impedance mode to activate
    // previously configured port settings
    PM5CTL0 &= ~LOCKLPM5;
                                                                            // Internal Reference ON
    // Configure ADC12
    ADC12CTL0 = ADC12SHT0_2 | ADC12ON;
    ADC12CTL1 = ADC12SHP + ADC12CONSEQ_1;                   // ADCCLK = MODOSC; sampling timer
    ADC12CTL2 |= ADC12RES_2;                // 12-bit conversion results
    ADC12IER0 |= ADC12IE0;                  // Enable ADC conv complete interrupt

    ADC12MCTL0 |= ADC12INCH_0;              // A0 ADC input select; Vref=AVCC // PRESSURE
    ADC12MCTL1 |= ADC12INCH_1+ADC12EOS;              // A1 ADC input select; Vref=AVCC // TEMPERATURE
    /**************************************************/

    /************* UART RX CONFIGURATION ********************/
    //UCA1IE |= UCRXIE;                       // Enable USCI_A1 RX interrupt. RXD J1

    while(1)
    {
        code = USS_startLowPowerUltrasonicCapture(&gUssSWConfig);
        checkCode(code, USS_message_code_no_error);

        code = USS_runAlgorithms(&gUssSWConfig,&algResults);
        checkCode(code, USS_message_code_valid_results);

#if (APPLICATION_ENABLE_CHANNEL_SWAP == true)
        if(appSwapInterval == 0)
        {
            code = USS_swapCaptureChannels(&gUssSWConfig);
            code = USS_swapAlgorithmsCaptureBuffers(&gUssSWConfig);

            appSwapInterval = APPLICATION_CHANNEL_SWAP_INTERVAL;
        }else{
            appSwapInterval--;
        }
#endif

#if APPLICATION_ENABLE_UART_DEBUG
        uartTxUSSResult(APPLICATION_UART_ABSTOF_UPS_DELIM,&algResults.totalTOF_UPS);
        uartTxUSSResult(APPLICATION_UART_ABSTOF_DNS_DELIM,&algResults.totalTOF_DNS);
        uartTxUSSResult(APPLICATION_UART_DTOF_DELIM,&algResults.deltaTOF);
        puts("UART");
        uartTxUSSResult(APPLICATION_UART_VFR_DELIM,&algResults.volumeFlowRate);
        ADC12CTL0 |= ADC12ENC | ADC12SC;    // Sampling and conversion start
        __bis_SR_register(LPM0_bits + GIE); // LPM0, ADC10_ISR will force exit
        __no_operation();
#endif
        if(algResults.volumeFlowRate<0)// && algResults.delatTOF>-10)
            puts("Caudal");
        // Wait for timer to elapse

        USS_waitForAppTimerElapse(&gUssSWConfig,USS_low_power_mode_option_low_power_mode_3);

    }
}

#if APPLICATION_ENABLE_UART_DEBUG

void uartTxByte(char string)
{
    while(!(UCA1IFG & UCTXIFG));
    UCA1TXBUF = string;
}

void uartTxHexByte(uint8_t Data)
{
    uartTxByte(nibbleToHex(Data >> 4));
    uartTxByte(nibbleToHex(Data & 0x0F));
}

uint8_t nibbleToHex(uint8_t nibble)
{
    uint8_t ret = nibble;
    if(nibble < 10)
    {
        ret += '0';
    }
    else
    {
        ret += 'A' - 10;
    }

    return(ret);
}

void uartTxUSSResult(uint8_t delimiter, float *data)
{
    uint8_t *ptr;

    // Send delimiter
    uartTxByte(delimiter);
    // Send comma
    uartTxByte(',');

    ptr = (uint8_t *) data;

    // Send float values
    uartTxHexByte(ptr[3]);
    uartTxHexByte(ptr[2]);
    uartTxHexByte(ptr[1]);
    uartTxHexByte(ptr[0]);

    // Send new line return
    uartTxByte('\n');
    uartTxByte('\r');
}
#endif



void handlePllUnlockEvent(void)
{
    // If USS PLL unlock event is detected rest USS Module and reconfigure
    // measurement
    USS_resetUSSModule(&gUssSWConfig, true);
}


// This is a place holder for the application to disable interrupts which might
// be triggered during HSPLL verification
void disableApplicationInterrupts(void){

}

// This is a place holder for the application to enable interrupts once
// HSPLL verification has completed
void enableApplicationInterrupts(void){

}

void checkCode(USS_message_code code, USS_message_code expectedCode)
{
    if(code != expectedCode)
    {
        // Trap code
        while(1);
    }
}

// ADC interrupt service routine
#if defined(__TI_COMPILER_VERSION__) || defined(__IAR_SYSTEMS_ICC__)
#pragma vector = ADC12_B_VECTOR
__interrupt void ADC12_ISR(void)
#elif defined(__GNUC__)
void __attribute__ ((interrupt(ADC12_B_VECTOR))) ADC12_ISR (void)
#else
#error Compiler not supported!
#endif
{
    switch (__even_in_range(ADC12IV, ADC12IV__ADC12RDYIFG))
    {
        case ADC12IV__NONE:        break;   // Vector  0:  No interrupt
        case ADC12IV__ADC12OVIFG:  break;   // Vector  2:  ADC12MEMx Overflow
        case ADC12IV__ADC12TOVIFG: break;   // Vector  4:  Conversion time overflow
        case ADC12IV__ADC12HIIFG:  break;   // Vector  6:  ADC12BHI
        case ADC12IV__ADC12LOIFG:  break;   // Vector  8:  ADC12BLO
        case ADC12IV__ADC12INIFG:  break;   // Vector 10:  ADC12BIN
        case ADC12IV__ADC12IFG0:            // Vector 12:  ADC12MEM0 Interrupt // PRESSURE
            puts("ADC");
            volt = ADC12MEM0*3.3/4095.0;
            pressure = 3*(volt*1.5-0.5);
            //printf("Presion (bar): %f\n",pressure);
            volt = ADC12MEM1*3.3/4095.0;
            resistance = 10000.0*volt/(3.3-volt); //Rref*Vt/(Vi-Vt)
            temperature = 3950.0/(log(resistance/10000.0)+(3950.0/298.0))-273.0;
            //printf("Temperatura: %f\n",temperature);

            __bic_SR_register_on_exit(LPM0_bits); // Exit active CPU
            break;                          // Clear CPUOFF bit from 0(SR)
        case ADC12IV__ADC12IFG1:   break;   // Vector 14:  ADC12MEM1 // TEMPERATURE
        case ADC12IV__ADC12IFG2:   break;   // Vector 16:  ADC12MEM2
        case ADC12IV__ADC12IFG3:   break;   // Vector 18:  ADC12MEM3
        case ADC12IV__ADC12IFG4:   break;   // Vector 20:  ADC12MEM4
        case ADC12IV__ADC12IFG5:   break;   // Vector 22:  ADC12MEM5
        case ADC12IV__ADC12IFG6:   break;   // Vector 24:  ADC12MEM6
        case ADC12IV__ADC12IFG7:   break;   // Vector 26:  ADC12MEM7
        case ADC12IV__ADC12IFG8:   break;   // Vector 28:  ADC12MEM8
        case ADC12IV__ADC12IFG9:   break;   // Vector 30:  ADC12MEM9
        case ADC12IV__ADC12IFG10:  break;   // Vector 32:  ADC12MEM10
        case ADC12IV__ADC12IFG11:  break;   // Vector 34:  ADC12MEM11
        case ADC12IV__ADC12IFG12:  break;   // Vector 36:  ADC12MEM12
        case ADC12IV__ADC12IFG13:  break;   // Vector 38:  ADC12MEM13
        case ADC12IV__ADC12IFG14:  break;   // Vector 40:  ADC12MEM14
        case ADC12IV__ADC12IFG15:  break;   // Vector 42:  ADC12MEM15
        case ADC12IV__ADC12IFG16:  break;   // Vector 44:  ADC12MEM16
        case ADC12IV__ADC12IFG17:  break;   // Vector 46:  ADC12MEM17
        case ADC12IV__ADC12IFG18:  break;   // Vector 48:  ADC12MEM18
        case ADC12IV__ADC12IFG19:  break;   // Vector 50:  ADC12MEM19
        case ADC12IV__ADC12IFG20:  break;   // Vector 52:  ADC12MEM20
        case ADC12IV__ADC12IFG21:  break;   // Vector 54:  ADC12MEM21
        case ADC12IV__ADC12IFG22:  break;   // Vector 56:  ADC12MEM22
        case ADC12IV__ADC12IFG23:  break;   // Vector 58:  ADC12MEM23
        case ADC12IV__ADC12IFG24:  break;   // Vector 60:  ADC12MEM24
        case ADC12IV__ADC12IFG25:  break;   // Vector 62:  ADC12MEM25
        case ADC12IV__ADC12IFG26:  break;   // Vector 64:  ADC12MEM26
        case ADC12IV__ADC12IFG27:  break;   // Vector 66:  ADC12MEM27
        case ADC12IV__ADC12IFG28:  break;   // Vector 68:  ADC12MEM28
        case ADC12IV__ADC12IFG29:  break;   // Vector 70:  ADC12MEM29
        case ADC12IV__ADC12IFG30:  break;   // Vector 72:  ADC12MEM30
        case ADC12IV__ADC12IFG31:  break;   // Vector 74:  ADC12MEM31
        case ADC12IV__ADC12RDYIFG: break;   // Vector 76:  ADC12RDY
        default: break;
    }
}
/*********************************************************************/
/************************ UART INTERRUPTION ***********************/
#if defined(__TI_COMPILER_VERSION__) || defined(__IAR_SYSTEMS_ICC__)
#pragma vector=EUSCI_A1_VECTOR
__interrupt void USCI_A1_ISR(void)
#elif defined(__GNUC__)
void __attribute__ ((interrupt(EUSCI_A1_VECTOR))) USCI_A_ISR (void)
#else
#error Compiler not supported!
#endif
{
    switch(__even_in_range(UCA1IV, USCI_UART_UCTXCPTIFG))
    {
        case USCI_NONE: break;
        case USCI_UART_UCRXIFG:
            puts("Interrupcion");
            /*RXData = UCA1RXBUF;             // Read buffer
            if(RXData != TXData)            // Check value
            {
                //P1OUT |= BIT5;              // If incorrect turn on P1.0
                puts("Dato incorrecto");
            }
            else{
                puts("Dato correcto");
            }

            TXData++;                       // increment data byte*/
            __bic_SR_register_on_exit(LPM0_bits); // Exit LPM0 on reti
            break;
        case USCI_UART_UCTXIFG: break;
        case USCI_UART_UCSTTIFG: break;
        case USCI_UART_UCTXCPTIFG: break;
        default: break;
    }
}
/************************************************************************/