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Dependencies: HIDScope MODSERIAL QEI biquadFilter mbed
Fork of emg_import by
Diff: main.cpp
- Revision:
- 16:fd4521a4f0b3
- Parent:
- 15:bb4a6c7836d8
- Child:
- 17:4548efffe193
diff -r bb4a6c7836d8 -r fd4521a4f0b3 main.cpp
--- a/main.cpp Mon Oct 24 11:24:50 2016 +0000
+++ b/main.cpp Mon Oct 24 11:40:48 2016 +0000
@@ -4,42 +4,47 @@
#include "BiQuad.h"
//Define objects
-AnalogIn emg_biceps_right_in( A0 ); //analog in to get EMG in to c++
-Ticker sample_timer; //ticker
+AnalogIn emg_biceps_right_in( A0 ); //analog in to get EMG from right biceps in to c++
+AnalogIn emg_tricept_right_in (A1); //analog in to get EMG from left biceps 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=0.08; //gespecifeerd door floortje
-
+double signalsum_right;
+double signalsum_right_filter_high;
+double signalsum_right_filter_high_abs;
+double signalsum_right_filtered;
+double biceps_right;
+double triceps_right;
BiQuad filterhigh(9.5654e-01,-1.9131e+00,9.5654e-01,-1.9112e+00,9.1498e-01);
BiQuad filterlow (6.2942e-06, 1.2588e-05,6.2942e-06,-1.9929e+00,9.9292e-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);
- emg_abs_biceps_right=fabs(emg_filtered_high_biceps_right); //fabs because float
- emg_filtered_biceps_right=filterlow.step(emg_abs_biceps_right);
- led=!led;
+
+ biceps_right = emg_biceps_right_in.read; //inladen data
+ triceps_right = emg_tricept_right_in.read; //inladen data
+ signalsum_right = biceps_right-triceps_right; // inladen data
+
+ signalsum_right_filter_high = filterhigh.step(signalsum_right);
+ signalsum_right_filter_high_abs = fabs(signalsum_right_filter_high);
+ signalsum_right_filtered = filterlow.step(signalsum_right_filtered);
- if (emg_filtered_biceps_right>cut_off_value)
+ if (signalsum_right_filtered>cut_off_value)
{onoffsignal=1;}
else
{onoffsignal=0;}
//send signals to scope
- scope.set(0, emg_biceps_right ); //set emg signal to scope in channel 1
- scope.set(1, emg_filtered_biceps_right);
- scope.set(2, onoffsignal);
+ scope.set(0, biceps_right ); //set emg signal to scope in channel 1
+ scope.set(1, triceps_right);
+ scope.set(2, signalsum_right_filtered);
scope.send(); //send all the signals to the scope
}
