Revision 7:87d9904c1c19, committed 2015-10-27

Comitter:

Technical_Muffin

Date:

Tue Oct 27 10:49:59 2015 +0000

Parent:

6:ec965bb75d40

Commit message:

working emg code, commented

Changed in this revision

diff -r ec965bb75d40 -r 87d9904c1c19 main.cpp
--- a/main.cpp	Tue Oct 27 10:35:00 2015 +0000
+++ b/main.cpp	Tue Oct 27 10:49:59 2015 +0000
@@ -44,7 +44,7 @@
         //pc.printf("emg signal %f, filtered signal %f \n",emg_value,onoffsignal);
 }
 }
-void checkmotor(){
+void checkmotor(){//check the normalized signal and set actions if a threshold is passed
     if(calyes==1){
     if(onoffsignal<=0.25){
              led1.write(1);
@@ -57,9 +57,9 @@
              }
 }
 
-void calibri(){
+void calibri(){//calibration function
     if(button1.read()==false){
-        for(int n =0; n<5000;n++){
+        for(int n =0; n<5000;n++){//read for 5000 samples as calibration
             emg_value = emg.read();//read the emg value from the elektrodes
             signalpart1 = notch.step(emg_value);//Highpass filter for removing offset and artifacts
             signalpart2 = filterhigh1.step(signalpart1);//rectify the filtered signal
@@ -67,13 +67,11 @@
             signalpart4 = filterlow1.step(signalpart3);//notch filter to remove 50Hz signal
             signalfinal = filterlow2.step(signalpart4);//2nd low pass filter to envelope the emg
             double signalmeasure = signalfinal;
-            pc.printf("%f \n", signalmeasure);
-            if (signalmeasure > maxcal){
+            if (signalmeasure > maxcal){//determine what the highest reachable emg signal is
                 maxcal = signalmeasure;
                 }
             }
         calyes=1;
-        pc.printf("the max emg value is %f and calyes is %d", maxcal, calyes);
     }  
     }
 int main()
@@ -88,6 +86,6 @@
         
 
 while(1){
-                                                  
+ //random while loop to keep system going                                                 
 }     
 }
\ No newline at end of file