node-red-STM32/OZE_Sensor/Core/Src/meas_tasks.c

/*
 * meas_tasks.c
 *
 *  Created on: Sep 5, 2024
 *      Author: jakubski
 */

#include "meas_tasks.h"
#include "adc_buffers.h"
#include "measurements.h"
#include "node-red-config.h"

#include "cmsis_os.h"
#include "main.h"

#ifdef PV_BOARD
#define VOLTAGES_COUNT 1
#define CURRENTS_COUNT 1
#else
#define VOLTAGES_COUNT 3
#define CURRENTS_COUNT 3
#endif

#define CIRC_BUFF_LEN 10

osThreadId_t adc1MeasTaskHandle = NULL;
osThreadId_t adc2MeasTaskHandle = NULL;
osThreadId_t adc3MeasTaskHandle = NULL;

osMessageQueueId_t adc1MeasDataQueue = NULL;
osMessageQueueId_t adc2MeasDataQueue = NULL;
osMessageQueueId_t adc3MeasDataQueue = NULL;

osMutexId_t vRefmVMutex;
osMutexId_t resMeasurementsMutex;
osMutexId_t sensorsInfoMutex;
osMutexId_t ILxRefMutex;

volatile uint32_t vRefmV = 3000;

RESMeasurements resMeasurements = { 0 };
SesnorsInfo sensorsInfo         = { 0 };

uint16_t ILxRef[CURRENTS_COUNT] = { 0 };

void MeasTasksInit (void) {
    vRefmVMutex          = osMutexNew (NULL);
    resMeasurementsMutex = osMutexNew (NULL);
    sensorsInfoMutex     = osMutexNew (NULL);
    ILxRefMutex			 = osMutexNew (NULL);
    adc1MeasDataQueue    = osMessageQueueNew (8, sizeof (ADC1_Data), NULL);
    adc2MeasDataQueue    = osMessageQueueNew (8, sizeof (ADC2_Data), NULL);
    adc3MeasDataQueue    = osMessageQueueNew (8, sizeof (ADC3_Data), NULL);

    osThreadAttr_t osThreadAttradc1MeasTask = { 0 };
    osThreadAttr_t osThreadAttradc2MeasTask = { 0 };
    osThreadAttr_t osThreadAttradc3MeasTask = { 0 };

    osThreadAttradc1MeasTask.stack_size = configMINIMAL_STACK_SIZE * 2;
    osThreadAttradc1MeasTask.priority   = (osPriority_t)osPriorityRealtime;

    osThreadAttradc2MeasTask.stack_size = configMINIMAL_STACK_SIZE * 2;
    osThreadAttradc2MeasTask.priority   = (osPriority_t)osPriorityRealtime;

    osThreadAttradc3MeasTask.stack_size = configMINIMAL_STACK_SIZE * 2;
    osThreadAttradc3MeasTask.priority   = (osPriority_t)osPriorityNormal;

    adc1MeasTaskHandle = osThreadNew (ADC1MeasTask, NULL, &osThreadAttradc1MeasTask);
    adc2MeasTaskHandle = osThreadNew (ADC2MeasTask, NULL, &osThreadAttradc2MeasTask);
    adc3MeasTaskHandle = osThreadNew (ADC3MeasTask, NULL, &osThreadAttradc3MeasTask);
}

void ADC1MeasTask (void* arg) {
    float circBuffer[VOLTAGES_COUNT][CIRC_BUFF_LEN];
    float rms[VOLTAGES_COUNT];
    ADC1_Data adcData    = { 0 };
    uint32_t circBuffPos = 0;
    float gainCorrection = 1.0;
    while (pdTRUE) {
        osMessageQueueGet (adc1MeasDataQueue, &adcData, 0, osWaitForever);
#ifdef GAIN_AUTO_CORRECTION
        if (osMutexAcquire (vRefmVMutex, osWaitForever) == osOK) {
            gainCorrection = (float)vRefmV;
            osMutexRelease (vRefmVMutex);
        }
        gainCorrection = gainCorrection / EXT_VREF_mV;
#endif
        for (uint8_t i = 0; i < VOLTAGES_COUNT; i++) {
            float val                  = adcData.adcDataBuffer[i] * deltaADC * U_CHANNEL_CONST * gainCorrection * U_MeasCorrectionData[i].gain + U_MeasCorrectionData[i].offset;
            circBuffer[i][circBuffPos] = val;
            rms[i]                     = 0.0;
            for (uint8_t c = 0; c < CIRC_BUFF_LEN; c++) {
                rms[i] += circBuffer[i][c];
            }
            rms[i] = rms[i] / CIRC_BUFF_LEN;
            if (osMutexAcquire (resMeasurementsMutex, osWaitForever) == osOK) {
                if (fabs(resMeasurements.voltagePeak[i]) < fabs(val)) {
                    resMeasurements.voltagePeak[i] = val;
                }
                resMeasurements.voltageRMS[i] = rms[i];
                resMeasurements.power[i]      = resMeasurements.voltageRMS[i] * resMeasurements.currentRMS[i];
                osMutexRelease (resMeasurementsMutex);
            }
        }
        ++circBuffPos;
        circBuffPos = circBuffPos % CIRC_BUFF_LEN;

        if (osMutexAcquire (ILxRefMutex, osWaitForever) == osOK) {
            uint8_t refIdx = 0;
            for (uint8_t i = (uint8_t)IL1Ref; i <= (uint8_t)IL3Ref; i++) {
                ILxRef[refIdx++] = adcData.adcDataBuffer[i];
            }
            osMutexRelease (ILxRefMutex);
        }
    }
}

void ADC2MeasTask (void* arg) {
    float circBuffer[CURRENTS_COUNT][CIRC_BUFF_LEN];
    float rms[CURRENTS_COUNT];
    ADC2_Data adcData    = { 0 };
    uint32_t circBuffPos = 0;
    float gainCorrection = 1.0;
    while (pdTRUE) {
        osMessageQueueGet (adc2MeasDataQueue, &adcData, 0, osWaitForever);
        if (osMutexAcquire (vRefmVMutex, osWaitForever) == osOK) {
            gainCorrection = (float)vRefmV;
            osMutexRelease (vRefmVMutex);
        }
        gainCorrection            = gainCorrection / EXT_VREF_mV;
        float ref[CURRENTS_COUNT] = { 0 };
        if (osMutexAcquire (ILxRefMutex, osWaitForever) == osOK) {
            for (uint8_t i = 0; i < CURRENTS_COUNT; i++) {
                ref[i] = (float)ILxRef[i];
            }
            osMutexRelease (ILxRefMutex);
        }
        for (uint8_t i = 0; i < CURRENTS_COUNT; i++) {
            float adcVal               = (float)adcData.adcDataBuffer[i];
            float val                  = (adcVal - ref[i]) * deltaADC * I_CHANNEL_CONST * gainCorrection * I_MeasCorrectionData[i].gain + I_MeasCorrectionData[i].offset;
            circBuffer[i][circBuffPos] = val;
            rms[i]                     = 0.0;
            for (uint8_t c = 0; c < CIRC_BUFF_LEN; c++) {
                rms[i] += circBuffer[i][c];
            }
            rms[i] = rms[i] / CIRC_BUFF_LEN;
            if (osMutexAcquire (resMeasurementsMutex, osWaitForever) == osOK) {
                if (resMeasurements.currentPeak[i] < val) {
                    resMeasurements.currentPeak[i] = val;
                }
                resMeasurements.currentRMS[i] = rms[i];
                osMutexRelease (resMeasurementsMutex);
            }
        }
        ++circBuffPos;
        circBuffPos = circBuffPos % CIRC_BUFF_LEN;
    }
}

void ADC3MeasTask (void* arg) {
    ADC3_Data adcData = { 0 };
    while (pdTRUE) {
        osMessageQueueGet (adc3MeasDataQueue, &adcData, 0, osWaitForever);
        uint32_t vRef = __LL_ADC_CALC_VREFANALOG_VOLTAGE (adcData.adcDataBuffer[VrefInt], LL_ADC_RESOLUTION_16B);
        if (osMutexAcquire (vRefmVMutex, osWaitForever) == osOK) {
            vRefmV = vRef;
            osMutexRelease (vRefmVMutex);
        }
    }
}