File content as of revision 38:23601b26bb84:

//libraries
#include "mbed.h"
#include "HIDScope.h"
#include "BiQuad.h"  

//Define objects
AnalogIn    emg_biceps_right_in( A0 );             //analog in to get EMG in to c++
Ticker      sample_timer;           //ticker
HIDScope    scope( 3);              //open 3 channels in hidscope
DigitalOut richting_motor1(D4);     //motor1 direction output    
PwmOut pwm_motor1(D5);              //motor1 velocity  output
DigitalOut  led(LED_GREEN);

//define variables
double emg_biceps_right;
double emg_filtered_high_biceps_right;
double emg_abs_biceps_right;
double emg_filtered_biceps_right;
int    onoffsignal=0;
double cut_off_value=0.04; //gespecifeerd door floortje

BiQuad filterhigh(9.1497e-01, -1.8299e+00, 9.1497e-01, -1.8227e+00, 8.3718e-01); //
BiQuad filterlow ( 3.9130e-05  , 7.8260e-05  , 3.9130e-05,   -1.9822e+00 ,  9.8239e-01); //   
BiQuad notch( 2.0083e-02 , 4.0167e-02,   2.0083e-02 , -1.5610e+00 ,  6.4135e-01);

//functions which are called in ticker
void filter(){
        emg_biceps_right=emg_biceps_right_in.read();                            //read the emg value from the elektrodes
        emg_filtered_high_biceps_right= filterhigh.step(emg_biceps_right);
        double emg_filtered_notch=notch.step(emg_filtered_high_biceps_right);
        emg_abs_biceps_right=fabs(emg_filtered_notch); //fabs because float
        emg_filtered_biceps_right=filterlow.step(emg_abs_biceps_right);
        led=!led;
        
        if (emg_filtered_biceps_right>cut_off_value)
        {onoffsignal=1;}
          
        else 
       {onoffsignal=0;}
                      
        //send signals  to scope
        scope.set(0, emg_filtered_notch );           //set emg signal to scope in channel 1
        scope.set(1, emg_abs_biceps_right);    
        scope.set(2, emg_filtered_biceps_right);
       scope.send();                       //send all the signals to the scope
                }

//program

int main()
{  
sample_timer.attach(&filter, 0.001);        //continously execute the EMG reader and filter, it ensures that filter and sampling is executed every 1/frequency seconds

//endless loop

    while(1) 
    {    
        if (onoffsignal==1)
        {
        richting_motor1 = 0;    //motordirection (ccw)
        pwm_motor1 = 1;         //motorspeed 1  
        
        }
        else if(onoffsignal==0)
        {
        richting_motor1 = 0;    //motordirection (ccw)
        pwm_motor1 = 0;         //motorspeed 0
        
    }
        
    } 
        
}