pid gecomment
Dependencies: HIDScope MODSERIAL QEI biquadFilter mbed
Fork of a_pid_kal_end_def by
main.cpp@15:bb4a6c7836d8, 2016-10-24 (annotated)
- Committer:
- daniQQue
- Date:
- Mon Oct 24 11:24:50 2016 +0000
- Revision:
- 15:bb4a6c7836d8
- Parent:
- 14:5b17697cf775
- Child:
- 16:fd4521a4f0b3
- Child:
- 21:9b8be3dff01a
- Child:
- 37:60dd2e42bf8f
werkend, met filters van flooortje;
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
daniQQue | 0:34c739fcc3e0 | 1 | //libraries |
daniQQue | 0:34c739fcc3e0 | 2 | #include "mbed.h" |
daniQQue | 0:34c739fcc3e0 | 3 | #include "HIDScope.h" |
daniQQue | 14:5b17697cf775 | 4 | #include "BiQuad.h" |
daniQQue | 0:34c739fcc3e0 | 5 | |
daniQQue | 0:34c739fcc3e0 | 6 | //Define objects |
daniQQue | 15:bb4a6c7836d8 | 7 | AnalogIn emg_biceps_right_in( A0 ); //analog in to get EMG in to c++ |
daniQQue | 0:34c739fcc3e0 | 8 | Ticker sample_timer; //ticker |
daniQQue | 14:5b17697cf775 | 9 | HIDScope scope( 3); //open 3 channels in hidscope |
daniQQue | 8:cd0cb71b69f2 | 10 | DigitalOut richting_motor1(D4); //motor1 direction output |
daniQQue | 8:cd0cb71b69f2 | 11 | PwmOut pwm_motor1(D5); //motor1 velocity output |
daniQQue | 0:34c739fcc3e0 | 12 | DigitalOut led(LED_GREEN); |
daniQQue | 0:34c739fcc3e0 | 13 | |
daniQQue | 0:34c739fcc3e0 | 14 | //define variables |
daniQQue | 15:bb4a6c7836d8 | 15 | double emg_biceps_right; |
daniQQue | 15:bb4a6c7836d8 | 16 | double emg_filtered_high_biceps_right; |
daniQQue | 15:bb4a6c7836d8 | 17 | double emg_abs_biceps_right; |
daniQQue | 15:bb4a6c7836d8 | 18 | double emg_filtered_biceps_right; |
daniQQue | 7:42d0e38196f1 | 19 | int onoffsignal=0; |
daniQQue | 15:bb4a6c7836d8 | 20 | double cut_off_value=0.08; //gespecifeerd door floortje |
daniQQue | 5:688b1b5530d8 | 21 | |
daniQQue | 15:bb4a6c7836d8 | 22 | BiQuad filterhigh(9.5654e-01,-1.9131e+00,9.5654e-01,-1.9112e+00,9.1498e-01); |
daniQQue | 15:bb4a6c7836d8 | 23 | BiQuad filterlow (6.2942e-06, 1.2588e-05,6.2942e-06,-1.9929e+00,9.9292e-01); |
daniQQue | 10:7255b59224cc | 24 | |
daniQQue | 15:bb4a6c7836d8 | 25 | //functions which are called in ticker |
daniQQue | 0:34c739fcc3e0 | 26 | void filter(){ |
daniQQue | 15:bb4a6c7836d8 | 27 | emg_biceps_right=emg_biceps_right_in.read(); //read the emg value from the elektrodes |
daniQQue | 15:bb4a6c7836d8 | 28 | emg_filtered_high_biceps_right= filterhigh.step(emg_biceps_right); |
daniQQue | 15:bb4a6c7836d8 | 29 | emg_abs_biceps_right=fabs(emg_filtered_high_biceps_right); //fabs because float |
daniQQue | 15:bb4a6c7836d8 | 30 | emg_filtered_biceps_right=filterlow.step(emg_abs_biceps_right); |
daniQQue | 0:34c739fcc3e0 | 31 | led=!led; |
daniQQue | 7:42d0e38196f1 | 32 | |
daniQQue | 15:bb4a6c7836d8 | 33 | if (emg_filtered_biceps_right>cut_off_value) |
daniQQue | 7:42d0e38196f1 | 34 | {onoffsignal=1;} |
daniQQue | 7:42d0e38196f1 | 35 | |
daniQQue | 7:42d0e38196f1 | 36 | else |
daniQQue | 7:42d0e38196f1 | 37 | {onoffsignal=0;} |
daniQQue | 7:42d0e38196f1 | 38 | |
daniQQue | 0:34c739fcc3e0 | 39 | //send signals to scope |
daniQQue | 15:bb4a6c7836d8 | 40 | scope.set(0, emg_biceps_right ); //set emg signal to scope in channel 1 |
daniQQue | 15:bb4a6c7836d8 | 41 | scope.set(1, emg_filtered_biceps_right); |
daniQQue | 14:5b17697cf775 | 42 | scope.set(2, onoffsignal); |
daniQQue | 0:34c739fcc3e0 | 43 | scope.send(); //send all the signals to the scope |
daniQQue | 0:34c739fcc3e0 | 44 | } |
daniQQue | 0:34c739fcc3e0 | 45 | |
daniQQue | 0:34c739fcc3e0 | 46 | //program |
daniQQue | 0:34c739fcc3e0 | 47 | |
daniQQue | 0:34c739fcc3e0 | 48 | int main() |
daniQQue | 0:34c739fcc3e0 | 49 | { |
daniQQue | 0:34c739fcc3e0 | 50 | 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 |
daniQQue | 4:7d9ca9c1dcce | 51 | |
daniQQue | 0:34c739fcc3e0 | 52 | //endless loop |
daniQQue | 0:34c739fcc3e0 | 53 | |
daniQQue | 0:34c739fcc3e0 | 54 | while(1) |
daniQQue | 8:cd0cb71b69f2 | 55 | { |
daniQQue | 8:cd0cb71b69f2 | 56 | if (onoffsignal==1) |
daniQQue | 8:cd0cb71b69f2 | 57 | { |
daniQQue | 8:cd0cb71b69f2 | 58 | richting_motor1 = 0; //motordirection (ccw) |
daniQQue | 10:7255b59224cc | 59 | pwm_motor1 = 1; //motorspeed 1 |
daniQQue | 8:cd0cb71b69f2 | 60 | |
daniQQue | 8:cd0cb71b69f2 | 61 | } |
daniQQue | 8:cd0cb71b69f2 | 62 | else if(onoffsignal==0) |
daniQQue | 8:cd0cb71b69f2 | 63 | { |
daniQQue | 8:cd0cb71b69f2 | 64 | richting_motor1 = 0; //motordirection (ccw) |
daniQQue | 8:cd0cb71b69f2 | 65 | pwm_motor1 = 0; //motorspeed 0 |
daniQQue | 8:cd0cb71b69f2 | 66 | |
daniQQue | 8:cd0cb71b69f2 | 67 | } |
daniQQue | 8:cd0cb71b69f2 | 68 | |
daniQQue | 8:cd0cb71b69f2 | 69 | } |
daniQQue | 0:34c739fcc3e0 | 70 | |
daniQQue | 0:34c739fcc3e0 | 71 | } |