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Dependencies: MovingAverage mbed HIDScope biquadFilter
Diff: main.cpp
- Revision:
- 26:874d50f440d0
- Parent:
- 25:56f5c2786f11
- Child:
- 27:c0d748b7d5d1
--- a/main.cpp Mon Apr 08 15:55:25 2019 +0000 +++ b/main.cpp Tue Apr 09 07:51:20 2019 +0000 @@ -1,12 +1,20 @@ #include "mbed.h" -//#include "HIDScope.h" +#include "HIDScope.h" #include "BiQuad.h" -#include "MODSERIAL.h" + #include <iostream> +#include "MovingAverage.h" +#define NSAMPLE 200 DigitalOut led1(LED_GREEN); DigitalOut led2(LED_RED); DigitalOut led3(LED_BLUE); -//MODSERIAL pc(USBTX, USBRX); + + +//MovingAverage +MovingAverage <float>Movag_1(NSAMPLE,0.0); //Make Moving Average, Define NSAMPLE above +MovingAverage <float>Movag_2(NSAMPLE,0.0); //Make Moving Average, Define NSAMPLE above +MovingAverage <float>Movag_3(NSAMPLE,0.0); //Make Moving Average, Define NSAMPLE above +MovingAverage <float>Movag_4(NSAMPLE,0.0); //Make Moving Average, Define NSAMPLE above //EMG tickers, these tickers are called in the mainscript with fsample 500Hz, also sends to HIDscope with same fsample Ticker sample_ticker; //ticker for filtering pref. with 1000Hz, define in tick.attach @@ -57,11 +65,7 @@ int EMGyplus; int EMGymin ; -//filters -BiQuadChain bqc2; //chain voor High Pass en Notch -BiQuad bq3(0.9561305540521468,-1.9122611081042935,0.9561305540521468,-1.9103725395337858,0.9141496766748013); //High Pass Filter -BiQuad bq4(9.91104e-01, -1.60364e+00, 9.91104e-01, -1.60364e+00, 9.82207e-01); //Notch Filter -BiQuad bq6(0.6370466299626938,1.2740932599253876,0.6370466299626938,1.13958365554699,0.40860286430378506); //Lowpass Filter + //EMG1!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! //Highpass BiQuadChain highp1; @@ -154,10 +158,22 @@ double emg4_abs = abs(emg4_notched); //All EMG abs into lowpass - emg1_filtered = lowp1.step(emg1_abs); - emg2_filtered = lowp2.step(emg2_abs); - emg3_filtered = lowp3.step(emg3_abs); - emg4_filtered = lowp4.step(emg4_abs); + double emg1_lp = lowp1.step(emg1_abs); + double emg2_lp = lowp2.step(emg2_abs); + double emg3_lp = lowp3.step(emg3_abs); + double emg4_lp = lowp4.step(emg4_abs); + + Movag_1.Insert(emg1_lp); + Movag_2.Insert(emg2_lp); + Movag_3.Insert(emg3_lp); + Movag_4.Insert(emg4_lp); + + emg1_filtered = Movag_1.GetAverage(); + emg2_filtered = Movag_2.GetAverage(); + emg3_filtered = Movag_3.GetAverage(); + emg4_filtered = Movag_4.GetAverage(); + + } @@ -169,7 +185,7 @@ led1=!led1; if(emg1_filtered>temp_highest_emg1) { temp_highest_emg1= emg1_filtered; - //pc.printf("Temp1 = %f \r\n",temp_highest_emg1); + } } if(timer_calibration>10 && timer_calibration<15) { @@ -181,7 +197,7 @@ led2=!led2; if(emg2_filtered>temp_highest_emg2) { temp_highest_emg2= emg2_filtered; - //pc.printf("Temp2 = %f \r\n",temp_highest_emg2); + } } if(timer_calibration>25 && timer_calibration<30) { @@ -193,7 +209,7 @@ led3=!led3; if(emg3_filtered>temp_highest_emg3) { temp_highest_emg3= emg3_filtered; - //pc.printf("Temp3 = %f \r\n",temp_highest_emg3); + } } if(timer_calibration>40 && timer_calibration<45) { @@ -206,7 +222,7 @@ led3=!led3; if(emg4_filtered>temp_highest_emg4) { temp_highest_emg4= emg4_filtered; - //pc.printf("Temp4 = %f \r\n",temp_highest_emg4); + } } led1=1; @@ -215,13 +231,7 @@ } -/* - pc.printf("Highest value Duim= %f \r\n", temp_highest_emg1); - pc.printf("Highest value Bicep= %f \r\n", temp_highest_emg2); - pc.printf("Highest value Tricep= %f \r\n", temp_highest_emg3); - pc.printf("Highest value Onderarm= %f \r\n", temp_highest_emg4); -*/ threshold1 = temp_highest_emg1*duim_p_t; //Right Biceps threshold2 = temp_highest_emg2*bicep_p_t; //Right Triceps threshold3 = temp_highest_emg3*tricep_p_t; //Left Biceps @@ -257,51 +267,28 @@ Onderarm= 0; } - /* - pc.printf("Duim Right = %i", Duim); - pc.printf("Bicep Right = %i",Bicep); - pc.printf("tricep Left = %i", Tricep); - pc.printf("onderarm Left = %i", Onderarm); - */ + } Ticker sample_timer; -//HIDScope scope( 4 ); -DigitalOut led(LED1); void sample() { - - //EMG1 threshold check - if(emg1_filtered>threshold1) { - Duim = 1; - } else { - Duim= 0; - } - //EMG2 threshold check - if(emg2_filtered>threshold2) { - Bicep = 1; - } else { - Bicep= 0; - } - /* - scope.set(0, emg1_filtered ); - scope.set(1, emg2_filtered ); - scope.set(2, emg3_filtered ); - scope.set(3, emg4_filtered); + pc.printf("Duim Right = %i", Duim); + pc.printf("Bicep Right = %i",Bicep); + pc.printf("tricep Left = %i", Tricep); + pc.printf("onderarm Left = %i", Onderarm); - scope.send(); - */ led = !led; } int main() { sample_ticker.attach(&emgsample, ts); - pc.baud(115200); + //BiQuad Chain add highp1.add( &highp1_1 ).add( &highp1_2 ); notch1.add( ¬ch1_1 ).add( ¬ch1_2 ); @@ -318,8 +305,7 @@ highp4.add( &highp4_1 ).add( &highp4_2 ); notch4.add( ¬ch4_1 ).add( ¬ch4_2 ); lowp4.add( &lowp4_1 ).add(&lowp4_2); - bqc2.add( &bq3 ).add( &bq4 ).add( &bq6 ); //make BiQuadChain EMG right - sample_timer.attach(&sample, 0.001); + temp_highest_emg1 = 0; //highest detected value right biceps temp_highest_emg2 = 0; @@ -331,8 +317,10 @@ CalibrationEMG(); - sample_ticker.detach(); - timer_calibration.stop(); + sample_timer.attach(&sample, 0.5); + threshold_check_ticker.attach(&threshold_check, 0.001) + //sample_ticker.detach(); + //timer_calibration.stop();