Exemplo n.º 1
0
        public void start()
        {
            //Setup PPG to HR filters and algorithm
            PPGtoHeartRateCalculation = new PPGToHRAlgorithm(SamplingRate, NumberOfHeartBeatsToAverage, TrainingPeriodPPG);
            LPF_PPG = new Filter(Filter.LOW_PASS, SamplingRate, new double[] { LPF_CORNER_FREQ_HZ });
            HPF_PPG = new Filter(Filter.HIGH_PASS, SamplingRate, new double[] { HPF_CORNER_FREQ_HZ });


            int enabledSensors = ((int)ShimmerBluetooth.SensorBitmapShimmer3.SENSOR_A_ACCEL | (int)ShimmerBluetooth.SensorBitmapShimmer3.SENSOR_GSR | (int)ShimmerBluetooth.SensorBitmapShimmer3.SENSOR_INT_A13);

            //int enabledSensors = ((int)Shimmer.SensorBitmapShimmer3.SENSOR_A_ACCEL | (int)Shimmer.SensorBitmapShimmer3.SENSOR_EXG1_24BIT | (int)Shimmer.SensorBitmapShimmer3.SENSOR_EXG2_24BIT);

            //shimmer = new Shimmer("ShimmerID1", "COM17");
            Shimmer = new ShimmerLogAndStreamSystemSerialPort("ShimmerID1", "COM12", SamplingRate, 0, ShimmerBluetooth.GSR_RANGE_AUTO, enabledSensors, false, false, false, 1, 0, Shimmer3Configuration.EXG_EMG_CONFIGURATION_CHIP1, Shimmer3Configuration.EXG_EMG_CONFIGURATION_CHIP2, true);

            Shimmer.UICallback += this.HandleEvent;
            Shimmer.Connect();
        }
Exemplo n.º 2
0
        public void start()
        {
            System.IO.File.Delete(logLocation + "dataGSR.txt");
            System.IO.File.Delete(logLocation + "stressLevelsLog.txt");
            System.IO.File.Delete(logLocation + "stressLevelsStream.txt");

            initSocket();

            //Setup PPG to HR filters and algorithm
            PPGtoHeartRateCalculation = new PPGToHRAlgorithm(SamplingRate, NumberOfHeartBeatsToAverage, TrainingPeriodPPG);
            LPF_PPG = new Filter(Filter.LOW_PASS, SamplingRate, new double[] { LPF_CORNER_FREQ_HZ });
            HPF_PPG = new Filter(Filter.HIGH_PASS, SamplingRate, new double[] { HPF_CORNER_FREQ_HZ });

            //Init raw data collector
            rawData = new double[kmeansDelay][];

            int enabledSensors = ((int)ShimmerBluetooth.SensorBitmapShimmer3.SENSOR_GSR | (int)ShimmerBluetooth.SensorBitmapShimmer3.SENSOR_INT_A13);


            Shimmer = new ShimmerLogAndStreamSystemSerialPort("ShimmerID1", comPort, SamplingRate, 0, ShimmerBluetooth.GSR_RANGE_AUTO, enabledSensors, false, false, false, 1, 0, Shimmer3Configuration.EXG_EMG_CONFIGURATION_CHIP1, Shimmer3Configuration.EXG_EMG_CONFIGURATION_CHIP2, true);

            Shimmer.UICallback += this.HandleEvent;
            Shimmer.Connect();
        }
Exemplo n.º 3
0
        private void SetupFilters()
        {
            //Create NQ Filters
            if ((((ShimmerDevice.GetEnabledSensors() & (int)Shimmer.SensorBitmapShimmer3.SENSOR_EXG1_24BIT) > 0) || ((ShimmerDevice.GetEnabledSensors() & (int)Shimmer.SensorBitmapShimmer3.SENSOR_EXG1_16BIT) > 0)) && EnableNQF)
            {
                double cutoff = ShimmerDevice.GetSamplingRate() / 2;
                NQF_Exg1Ch1 = new Filter(Filter.LOW_PASS, ShimmerDevice.GetSamplingRate(), new double[] { cutoff });
                NQF_Exg1Ch2 = new Filter(Filter.LOW_PASS, ShimmerDevice.GetSamplingRate(), new double[] { cutoff });
            }

            if ((((ShimmerDevice.GetEnabledSensors() & (int)Shimmer.SensorBitmapShimmer3.SENSOR_EXG2_24BIT) > 0) || ((ShimmerDevice.GetEnabledSensors() & (int)Shimmer.SensorBitmapShimmer3.SENSOR_EXG2_16BIT) > 0)) && EnableNQF)
            {
                double cutoff = ShimmerDevice.GetSamplingRate() / 2;
                NQF_Exg2Ch1 = new Filter(Filter.LOW_PASS, ShimmerDevice.GetSamplingRate(), new double[] { cutoff });
                NQF_Exg2Ch2 = new Filter(Filter.LOW_PASS, ShimmerDevice.GetSamplingRate(), new double[] { cutoff });
            }

            //Create High Pass Filters for EXG

            if ((((ShimmerDevice.GetEnabledSensors() & (int)Shimmer.SensorBitmapShimmer3.SENSOR_EXG1_24BIT) > 0) || ((ShimmerDevice.GetEnabledSensors() & (int)Shimmer.SensorBitmapShimmer3.SENSOR_EXG1_16BIT) > 0)) && EnableHPF_0_05HZ)
            {
                HPF_Exg1Ch1 = new Filter(Filter.HIGH_PASS, ShimmerDevice.GetSamplingRate(), new double[] { 0.05 });
                HPF_Exg1Ch2 = new Filter(Filter.HIGH_PASS, ShimmerDevice.GetSamplingRate(), new double[] { 0.05 });
            }

            if ((((ShimmerDevice.GetEnabledSensors() & (int)Shimmer.SensorBitmapShimmer3.SENSOR_EXG2_24BIT) > 0) || ((ShimmerDevice.GetEnabledSensors() & (int)Shimmer.SensorBitmapShimmer3.SENSOR_EXG2_16BIT) > 0)) && EnableHPF_0_05HZ)
            {
                HPF_Exg2Ch1 = new Filter(Filter.HIGH_PASS, ShimmerDevice.GetSamplingRate(), new double[] { 0.05 });
                HPF_Exg2Ch2 = new Filter(Filter.HIGH_PASS, ShimmerDevice.GetSamplingRate(), new double[] { 0.05 });
            }
            if ((((ShimmerDevice.GetEnabledSensors() & (int)Shimmer.SensorBitmapShimmer3.SENSOR_EXG1_24BIT) > 0) || ((ShimmerDevice.GetEnabledSensors() & (int)Shimmer.SensorBitmapShimmer3.SENSOR_EXG1_16BIT) > 0)) && EnableHPF_0_5HZ)
            {
                HPF_Exg1Ch1 = new Filter(Filter.HIGH_PASS, ShimmerDevice.GetSamplingRate(), new double[] { 0.5 });
                HPF_Exg1Ch2 = new Filter(Filter.HIGH_PASS, ShimmerDevice.GetSamplingRate(), new double[] { 0.5 });
            }
            if ((((ShimmerDevice.GetEnabledSensors() & (int)Shimmer.SensorBitmapShimmer3.SENSOR_EXG2_24BIT) > 0) || ((ShimmerDevice.GetEnabledSensors() & (int)Shimmer.SensorBitmapShimmer3.SENSOR_EXG2_16BIT) > 0)) && EnableHPF_0_5HZ)
            {
                HPF_Exg2Ch1 = new Filter(Filter.HIGH_PASS, ShimmerDevice.GetSamplingRate(), new double[] { 0.5 });
                HPF_Exg2Ch2 = new Filter(Filter.HIGH_PASS, ShimmerDevice.GetSamplingRate(), new double[] { 0.5 });
            }
            if ((((ShimmerDevice.GetEnabledSensors() & (int)Shimmer.SensorBitmapShimmer3.SENSOR_EXG1_24BIT) > 0) || ((ShimmerDevice.GetEnabledSensors() & (int)Shimmer.SensorBitmapShimmer3.SENSOR_EXG1_16BIT) > 0)) && EnableHPF_5HZ)
            {
                HPF_Exg1Ch1 = new Filter(Filter.HIGH_PASS, ShimmerDevice.GetSamplingRate(), new double[] { 5 });
                HPF_Exg1Ch2 = new Filter(Filter.HIGH_PASS, ShimmerDevice.GetSamplingRate(), new double[] { 5 });
            }
            if ((((ShimmerDevice.GetEnabledSensors() & (int)Shimmer.SensorBitmapShimmer3.SENSOR_EXG2_24BIT) > 0) || ((ShimmerDevice.GetEnabledSensors() & (int)Shimmer.SensorBitmapShimmer3.SENSOR_EXG2_16BIT) > 0)) && EnableHPF_5HZ)
            {
                HPF_Exg2Ch1 = new Filter(Filter.HIGH_PASS, ShimmerDevice.GetSamplingRate(), new double[] { 5 });
                HPF_Exg2Ch2 = new Filter(Filter.HIGH_PASS, ShimmerDevice.GetSamplingRate(), new double[] { 5 });
            }

            //Create Band Stop Filters for EXG
            if ((((ShimmerDevice.GetEnabledSensors() & (int)Shimmer.SensorBitmapShimmer3.SENSOR_EXG1_24BIT) > 0) || ((ShimmerDevice.GetEnabledSensors() & (int)Shimmer.SensorBitmapShimmer3.SENSOR_EXG1_16BIT) > 0)) && EnableBSF_49_51HZ)
            {
                BSF_Exg1Ch1 = new Filter(Filter.BAND_STOP, ShimmerDevice.GetSamplingRate(), new double[] { 49, 51 });
                BSF_Exg1Ch2 = new Filter(Filter.BAND_STOP, ShimmerDevice.GetSamplingRate(), new double[] { 49, 51 });
            }
            if ((((ShimmerDevice.GetEnabledSensors() & (int)Shimmer.SensorBitmapShimmer3.SENSOR_EXG2_24BIT) > 0) || ((ShimmerDevice.GetEnabledSensors() & (int)Shimmer.SensorBitmapShimmer3.SENSOR_EXG2_16BIT) > 0)) && EnableBSF_49_51HZ)
            {
                BSF_Exg2Ch1 = new Filter(Filter.BAND_STOP, ShimmerDevice.GetSamplingRate(), new double[] { 49, 51 });
                BSF_Exg2Ch2 = new Filter(Filter.BAND_STOP, ShimmerDevice.GetSamplingRate(), new double[] { 49, 51 });
            }
            if ((((ShimmerDevice.GetEnabledSensors() & (int)Shimmer.SensorBitmapShimmer3.SENSOR_EXG1_24BIT) > 0) || ((ShimmerDevice.GetEnabledSensors() & (int)Shimmer.SensorBitmapShimmer3.SENSOR_EXG1_16BIT) > 0)) && EnableBSF_59_61HZ)
            {
                BSF_Exg1Ch1 = new Filter(Filter.BAND_STOP, ShimmerDevice.GetSamplingRate(), new double[] { 59, 61 });
                BSF_Exg1Ch2 = new Filter(Filter.BAND_STOP, ShimmerDevice.GetSamplingRate(), new double[] { 59, 61 });
            }
            if ((((ShimmerDevice.GetEnabledSensors() & (int)Shimmer.SensorBitmapShimmer3.SENSOR_EXG2_24BIT) > 0) || ((ShimmerDevice.GetEnabledSensors() & (int)Shimmer.SensorBitmapShimmer3.SENSOR_EXG2_16BIT) > 0)) && EnableBSF_59_61HZ)
            {
                BSF_Exg2Ch1 = new Filter(Filter.BAND_STOP, ShimmerDevice.GetSamplingRate(), new double[] { 59, 61 });
                BSF_Exg2Ch2 = new Filter(Filter.BAND_STOP, ShimmerDevice.GetSamplingRate(), new double[] { 59, 61 });
            }

            //PPG-HR Conversion
            if (EnablePPGtoHRConversion)
            {
                PPGtoHeartRateCalculation = new PPGToHRAlgorithm(ShimmerDevice.GetSamplingRate(), NumberOfHeartBeatsToAverage, TrainingPeriodPPG);
                LPF_PPG = new Filter(Filter.LOW_PASS, ShimmerDevice.GetSamplingRate(), new double[] { 5 });
                HPF_PPG = new Filter(Filter.HIGH_PASS, ShimmerDevice.GetSamplingRate(), new double[] { 0.5 });
            }
        }