pid gecomment
Dependencies: HIDScope MODSERIAL QEI biquadFilter mbed
Fork of a_pid_kal_end_def by
main.cpp@46:4a8889f9dc9f, 2016-11-02 (annotated)
- Committer:
- daniQQue
- Date:
- Wed Nov 02 16:24:59 2016 +0000
- Revision:
- 46:4a8889f9dc9f
- Parent:
- 45:08bddea67bd8
- Child:
- 47:ddaa59d48aca
zelfde als net maar ccw en cw en speed als variabelen erin!
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
daniQQue | 46:4a8889f9dc9f | 1 | |
daniQQue | 46:4a8889f9dc9f | 2 | //===================================================================================== |
daniQQue | 0:34c739fcc3e0 | 3 | //libraries |
daniQQue | 0:34c739fcc3e0 | 4 | #include "mbed.h" |
daniQQue | 0:34c739fcc3e0 | 5 | #include "HIDScope.h" |
daniQQue | 14:5b17697cf775 | 6 | #include "BiQuad.h" |
daniQQue | 40:187ef29de53d | 7 | #include "MODSERIAL.h" |
daniQQue | 0:34c739fcc3e0 | 8 | |
daniQQue | 46:4a8889f9dc9f | 9 | |
daniQQue | 46:4a8889f9dc9f | 10 | //===================================================================================== |
daniQQue | 0:34c739fcc3e0 | 11 | //Define objects |
daniQQue | 40:187ef29de53d | 12 | AnalogIn emg_biceps_right_in( A0 ); //analog in to get EMG biceps (r) in to c++ |
daniQQue | 40:187ef29de53d | 13 | AnalogIn emg_triceps_right_in(A1); //analog in to get EMG triceps (r) in to c++ |
daniQQue | 40:187ef29de53d | 14 | AnalogIn emg_biceps_left_in (A2); //analog in to get EMG biceps (l) in to c++ |
daniQQue | 46:4a8889f9dc9f | 15 | Ticker sample_timer; //ticker |
daniQQue | 46:4a8889f9dc9f | 16 | Ticker ticker_switch; //ticker |
daniQQue | 46:4a8889f9dc9f | 17 | HIDScope scope(5); //open 5 channels in hidscope |
daniQQue | 46:4a8889f9dc9f | 18 | MODSERIAL pc(USBTX, USBRX); //pc connection |
daniQQue | 40:187ef29de53d | 19 | DigitalOut red(LED_RED); |
daniQQue | 40:187ef29de53d | 20 | DigitalOut green(LED_GREEN); |
daniQQue | 40:187ef29de53d | 21 | |
daniQQue | 40:187ef29de53d | 22 | //motors |
daniQQue | 40:187ef29de53d | 23 | DigitalOut richting_motor1(D4); |
daniQQue | 40:187ef29de53d | 24 | PwmOut pwm_motor1(D5); |
daniQQue | 40:187ef29de53d | 25 | DigitalOut richting_motor2(D7); |
daniQQue | 40:187ef29de53d | 26 | PwmOut pwm_motor2(D6); |
daniQQue | 0:34c739fcc3e0 | 27 | |
daniQQue | 46:4a8889f9dc9f | 28 | //===================================================================================== |
daniQQue | 0:34c739fcc3e0 | 29 | //define variables |
daniQQue | 40:187ef29de53d | 30 | //other |
daniQQue | 40:187ef29de53d | 31 | int onoffsignal_rightarm=0; // on/off signal: 1; biceps activation, 0: nothing, -1, triceps activation |
daniQQue | 40:187ef29de53d | 32 | int switch_signal_leftarm=0; // switching between motors. |
daniQQue | 45:08bddea67bd8 | 33 | double cut_off_value_biceps_right =0.04; //gespecificeerd door floortje |
daniQQue | 45:08bddea67bd8 | 34 | double cut_off_value_biceps_left=-0.04; |
daniQQue | 45:08bddea67bd8 | 35 | double cut_off_value_triceps=-0.04; |
daniQQue | 45:08bddea67bd8 | 36 | int switch_signal = 0; //start van de teller wordt op nul gesteld |
daniQQue | 45:08bddea67bd8 | 37 | |
daniQQue | 45:08bddea67bd8 | 38 | int onoffsignal_biceps; |
daniQQue | 45:08bddea67bd8 | 39 | int switch_signal_triceps; |
daniQQue | 46:4a8889f9dc9f | 40 | |
daniQQue | 46:4a8889f9dc9f | 41 | float speedmotor1=0.18; |
daniQQue | 46:4a8889f9dc9f | 42 | float speedmotor2=1.0; |
daniQQue | 46:4a8889f9dc9f | 43 | |
daniQQue | 46:4a8889f9dc9f | 44 | int cw=0; |
daniQQue | 46:4a8889f9dc9f | 45 | int ccw=1; |
daniQQue | 40:187ef29de53d | 46 | |
daniQQue | 44:c79e5944ac91 | 47 | //======================================= |
daniQQue | 44:c79e5944ac91 | 48 | //filter coefficients |
daniQQue | 40:187ef29de53d | 49 | |
daniQQue | 40:187ef29de53d | 50 | //b1 = biceps right arm |
daniQQue | 40:187ef29de53d | 51 | BiQuad filterhigh_b1(9.5654e-01,-1.9131e+00,9.5654e-01,-1.9112e+00,9.1498e-01); |
daniQQue | 40:187ef29de53d | 52 | BiQuad filternotch1_b1 (9.9376e-01 , -1.8902e-00, 9.9376e-01 , -1.8902e-00 , 9.875e-01); |
daniQQue | 40:187ef29de53d | 53 | |
daniQQue | 40:187ef29de53d | 54 | //t1= triceps right arm |
daniQQue | 40:187ef29de53d | 55 | BiQuad filterhigh_t1(9.5654e-01,-1.9131e+00,9.5654e-01,-1.9112e+00,9.1498e-01); |
daniQQue | 40:187ef29de53d | 56 | BiQuad filternotch1_t1 (9.9376e-01 , -1.8902e-00, 9.9376e-01 , -1.8902e-00 , 9.875e-01); |
daniQQue | 5:688b1b5530d8 | 57 | |
daniQQue | 40:187ef29de53d | 58 | //b2= biceps left arm |
daniQQue | 40:187ef29de53d | 59 | BiQuad filterhigh_b2(9.5654e-01,-1.9131e+00,9.5654e-01,-1.9112e+00,9.1498e-01); |
daniQQue | 40:187ef29de53d | 60 | BiQuad filternotch1_b2 (9.9376e-01 , -1.8902e-00, 9.9376e-01 , -1.8902e-00 , 9.875e-01); |
daniQQue | 40:187ef29de53d | 61 | |
daniQQue | 40:187ef29de53d | 62 | //after abs filtering |
daniQQue | 40:187ef29de53d | 63 | BiQuad filterlow_b1 (6.2942e-06, 1.2588e-05,6.2942e-06,-1.9929e+00,9.9292e-01); |
daniQQue | 40:187ef29de53d | 64 | BiQuad filterlow_t1 (6.2942e-06, 1.2588e-05,6.2942e-06,-1.9929e+00,9.9292e-01); |
daniQQue | 40:187ef29de53d | 65 | BiQuad filterlow_b2 (6.2942e-06, 1.2588e-05,6.2942e-06,-1.9929e+00,9.9292e-01); |
daniQQue | 10:7255b59224cc | 66 | |
daniQQue | 45:08bddea67bd8 | 67 | //====================================================================== |
daniQQue | 45:08bddea67bd8 | 68 | //voids |
daniQQue | 45:08bddea67bd8 | 69 | //====================================================================== |
daniQQue | 45:08bddea67bd8 | 70 | |
daniQQue | 40:187ef29de53d | 71 | //function teller |
daniQQue | 45:08bddea67bd8 | 72 | void switch_function() { // maakt simpele functie die 1 bij n optelt |
daniQQue | 45:08bddea67bd8 | 73 | if(switch_signal_triceps==1) |
daniQQue | 40:187ef29de53d | 74 | { |
daniQQue | 45:08bddea67bd8 | 75 | switch_signal++; |
daniQQue | 40:187ef29de53d | 76 | green=!green; |
daniQQue | 40:187ef29de53d | 77 | red=!red; |
daniQQue | 45:08bddea67bd8 | 78 | if (switch_signal%2==0) |
daniQQue | 40:187ef29de53d | 79 | {pc.printf("If you contract the biceps, the robot will go up \r\n"); |
daniQQue | 40:187ef29de53d | 80 | pc.printf("If you contract the triceps, the robot will go down \r\n"); |
daniQQue | 40:187ef29de53d | 81 | } |
daniQQue | 40:187ef29de53d | 82 | |
daniQQue | 40:187ef29de53d | 83 | else |
daniQQue | 40:187ef29de53d | 84 | {pc.printf("If you contract the biceps, the robot will go right \r\n"); |
daniQQue | 40:187ef29de53d | 85 | pc.printf("If you contract the triceps, the robot will go left \r\n"); |
daniQQue | 40:187ef29de53d | 86 | } |
daniQQue | 40:187ef29de53d | 87 | |
daniQQue | 40:187ef29de53d | 88 | } |
daniQQue | 40:187ef29de53d | 89 | } |
daniQQue | 40:187ef29de53d | 90 | |
daniQQue | 40:187ef29de53d | 91 | //functions which are called in ticker to sample the analog signal |
daniQQue | 40:187ef29de53d | 92 | |
daniQQue | 0:34c739fcc3e0 | 93 | void filter(){ |
daniQQue | 40:187ef29de53d | 94 | //biceps right arm read+filtering |
daniQQue | 44:c79e5944ac91 | 95 | double emg_biceps_right=emg_biceps_right_in.read(); //read the emg value from the elektrodes |
daniQQue | 44:c79e5944ac91 | 96 | double emg_filtered_high_biceps_right= filterhigh_b1.step(emg_biceps_right); |
daniQQue | 44:c79e5944ac91 | 97 | double emg_filtered_high_notch_1_biceps_right=filternotch1_b1.step(emg_filtered_high_biceps_right); |
daniQQue | 44:c79e5944ac91 | 98 | double emg_abs_biceps_right=fabs(emg_filtered_high_notch_1_biceps_right); //fabs because float |
daniQQue | 44:c79e5944ac91 | 99 | double emg_filtered_biceps_right=filterlow_b1.step(emg_abs_biceps_right); |
daniQQue | 40:187ef29de53d | 100 | |
daniQQue | 40:187ef29de53d | 101 | //triceps right arm read+filtering |
daniQQue | 44:c79e5944ac91 | 102 | double emg_triceps_right=emg_triceps_right_in.read(); //read the emg value from the elektrodes |
daniQQue | 44:c79e5944ac91 | 103 | double emg_filtered_high_triceps_right= filterhigh_t1.step(emg_triceps_right); |
daniQQue | 44:c79e5944ac91 | 104 | double emg_filtered_high_notch_1_triceps_right=filternotch1_t1.step(emg_filtered_high_triceps_right); |
daniQQue | 44:c79e5944ac91 | 105 | double emg_abs_triceps_right=fabs(emg_filtered_high_notch_1_triceps_right); //fabs because float |
daniQQue | 44:c79e5944ac91 | 106 | double emg_filtered_triceps_right=filterlow_t1.step(emg_abs_triceps_right); |
daniQQue | 7:42d0e38196f1 | 107 | |
daniQQue | 40:187ef29de53d | 108 | //biceps left arm read+filtering |
daniQQue | 44:c79e5944ac91 | 109 | double emg_biceps_left=emg_biceps_left_in.read(); //read the emg value from the elektrodes |
daniQQue | 44:c79e5944ac91 | 110 | double emg_filtered_high_biceps_left= filterhigh_b2.step(emg_biceps_left); |
daniQQue | 44:c79e5944ac91 | 111 | double emg_filtered_high_notch_1_biceps_left=filternotch1_b2.step(emg_filtered_high_biceps_left); |
daniQQue | 44:c79e5944ac91 | 112 | double emg_abs_biceps_left=fabs(emg_filtered_high_notch_1_biceps_left); //fabs because float |
daniQQue | 44:c79e5944ac91 | 113 | double emg_filtered_biceps_left=filterlow_b2.step(emg_abs_biceps_left); |
daniQQue | 40:187ef29de53d | 114 | |
daniQQue | 40:187ef29de53d | 115 | //creating of on/off signal with the created on/off signals, with if statement for right arm! |
daniQQue | 44:c79e5944ac91 | 116 | //signal substraction of filter biceps and triceps. right Biceps + left biceps - |
daniQQue | 44:c79e5944ac91 | 117 | double signal_biceps_sum=emg_filtered_biceps_right-emg_filtered_biceps_left; |
daniQQue | 44:c79e5944ac91 | 118 | double bicepstriceps_rightarm=emg_filtered_biceps_right-emg_filtered_triceps_right; |
daniQQue | 45:08bddea67bd8 | 119 | |
daniQQue | 44:c79e5944ac91 | 120 | //creating of on/off signal with the created on/off signals, with if statement for right arm! |
daniQQue | 44:c79e5944ac91 | 121 | if (signal_biceps_sum>cut_off_value_biceps_right) |
daniQQue | 44:c79e5944ac91 | 122 | {onoffsignal_biceps=1;} |
daniQQue | 7:42d0e38196f1 | 123 | |
daniQQue | 44:c79e5944ac91 | 124 | else if (signal_biceps_sum<cut_off_value_biceps_left) |
daniQQue | 40:187ef29de53d | 125 | { |
daniQQue | 44:c79e5944ac91 | 126 | onoffsignal_biceps=-1; |
daniQQue | 40:187ef29de53d | 127 | } |
daniQQue | 40:187ef29de53d | 128 | |
daniQQue | 40:187ef29de53d | 129 | else |
daniQQue | 44:c79e5944ac91 | 130 | {onoffsignal_biceps=0;} |
daniQQue | 7:42d0e38196f1 | 131 | |
daniQQue | 40:187ef29de53d | 132 | //creating on/off signal for switch (left arm) |
daniQQue | 40:187ef29de53d | 133 | |
daniQQue | 44:c79e5944ac91 | 134 | if (bicepstriceps_rightarm<cut_off_value_triceps) |
daniQQue | 40:187ef29de53d | 135 | { |
daniQQue | 44:c79e5944ac91 | 136 | switch_signal_triceps=1; |
daniQQue | 40:187ef29de53d | 137 | } |
daniQQue | 40:187ef29de53d | 138 | |
daniQQue | 40:187ef29de53d | 139 | else |
daniQQue | 40:187ef29de53d | 140 | { |
daniQQue | 44:c79e5944ac91 | 141 | switch_signal_triceps=0; |
daniQQue | 40:187ef29de53d | 142 | } |
daniQQue | 0:34c739fcc3e0 | 143 | //send signals to scope |
daniQQue | 40:187ef29de53d | 144 | scope.set(0, emg_filtered_biceps_right); //set emg signal to scope in channel 0 |
daniQQue | 40:187ef29de53d | 145 | scope.set(1, emg_filtered_triceps_right); // set emg signal to scope in channel 1 |
daniQQue | 40:187ef29de53d | 146 | scope.set(2, emg_filtered_biceps_left); // set emg signal to scope in channel 2 |
daniQQue | 45:08bddea67bd8 | 147 | scope.set(3, onoffsignal_biceps); // set emg signal to scope in channel 3 |
daniQQue | 45:08bddea67bd8 | 148 | scope.set(4, switch_signal_triceps); |
daniQQue | 40:187ef29de53d | 149 | |
daniQQue | 40:187ef29de53d | 150 | scope.send(); //send all the signals to the scope |
daniQQue | 0:34c739fcc3e0 | 151 | } |
daniQQue | 0:34c739fcc3e0 | 152 | |
daniQQue | 0:34c739fcc3e0 | 153 | //program |
daniQQue | 0:34c739fcc3e0 | 154 | |
daniQQue | 0:34c739fcc3e0 | 155 | int main() |
daniQQue | 0:34c739fcc3e0 | 156 | { |
daniQQue | 40:187ef29de53d | 157 | pc.baud(115200); |
daniQQue | 40:187ef29de53d | 158 | green=0; |
daniQQue | 40:187ef29de53d | 159 | red=1; |
daniQQue | 40:187ef29de53d | 160 | |
daniQQue | 0:34c739fcc3e0 | 161 | 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 | 45:08bddea67bd8 | 162 | ticker_switch.attach(&switch_function,1.0); |
daniQQue | 44:c79e5944ac91 | 163 | |
daniQQue | 45:08bddea67bd8 | 164 | if (switch_signal%2==0) |
daniQQue | 45:08bddea67bd8 | 165 | {pc.printf("If you contract the biceps, the robot will go up \r\n"); |
daniQQue | 45:08bddea67bd8 | 166 | pc.printf("If you contract the triceps, the robot will go down \r\n"); |
daniQQue | 45:08bddea67bd8 | 167 | } |
daniQQue | 45:08bddea67bd8 | 168 | |
daniQQue | 45:08bddea67bd8 | 169 | else |
daniQQue | 45:08bddea67bd8 | 170 | {pc.printf("If you contract the biceps, the robot will go right \r\n"); |
daniQQue | 45:08bddea67bd8 | 171 | pc.printf("If you contract the triceps, the robot will go left \r\n"); |
daniQQue | 45:08bddea67bd8 | 172 | } |
daniQQue | 45:08bddea67bd8 | 173 | |
daniQQue | 44:c79e5944ac91 | 174 | //============================================================================================== |
daniQQue | 0:34c739fcc3e0 | 175 | //endless loop |
daniQQue | 0:34c739fcc3e0 | 176 | |
daniQQue | 40:187ef29de53d | 177 | |
daniQQue | 40:187ef29de53d | 178 | while (true) { // zorgt er voor dat de code oneindig doorgelopen wordt |
daniQQue | 40:187ef29de53d | 179 | |
daniQQue | 8:cd0cb71b69f2 | 180 | |
daniQQue | 45:08bddea67bd8 | 181 | if (onoffsignal_biceps==-1) //left biceps contracted |
daniQQue | 40:187ef29de53d | 182 | { |
daniQQue | 45:08bddea67bd8 | 183 | if (switch_signal%2==0) |
daniQQue | 40:187ef29de53d | 184 | { |
daniQQue | 46:4a8889f9dc9f | 185 | richting_motor1 = ccw; //motor 1, left |
daniQQue | 46:4a8889f9dc9f | 186 | pwm_motor1 = speedmotor1; |
daniQQue | 40:187ef29de53d | 187 | |
daniQQue | 40:187ef29de53d | 188 | } |
daniQQue | 40:187ef29de53d | 189 | |
daniQQue | 45:08bddea67bd8 | 190 | else |
daniQQue | 40:187ef29de53d | 191 | { |
daniQQue | 46:4a8889f9dc9f | 192 | richting_motor2 = ccw; //motor 2, up |
daniQQue | 46:4a8889f9dc9f | 193 | pwm_motor2 = speedmotor2; |
daniQQue | 40:187ef29de53d | 194 | |
daniQQue | 40:187ef29de53d | 195 | } |
daniQQue | 40:187ef29de53d | 196 | |
daniQQue | 8:cd0cb71b69f2 | 197 | } |
daniQQue | 45:08bddea67bd8 | 198 | else if (onoffsignal_biceps==1) // als d ingedrukt wordt gebeurd het volgende |
daniQQue | 40:187ef29de53d | 199 | { |
daniQQue | 45:08bddea67bd8 | 200 | if (switch_signal%2==0) // als d is ingedrukt en n is even dan gebeurd het volgende |
daniQQue | 40:187ef29de53d | 201 | { |
daniQQue | 46:4a8889f9dc9f | 202 | richting_motor1 = cw; //motor 1, right |
daniQQue | 46:4a8889f9dc9f | 203 | pwm_motor1 = speedmotor1; |
daniQQue | 40:187ef29de53d | 204 | |
daniQQue | 40:187ef29de53d | 205 | } |
daniQQue | 40:187ef29de53d | 206 | else // als d is ingedrukt maar het getal is niet even (dus oneven) gebeurt het onderstaande |
daniQQue | 40:187ef29de53d | 207 | { |
daniQQue | 46:4a8889f9dc9f | 208 | richting_motor2 = cw; //motor 2. down |
daniQQue | 46:4a8889f9dc9f | 209 | pwm_motor2 = speedmotor2; |
daniQQue | 40:187ef29de53d | 210 | |
daniQQue | 40:187ef29de53d | 211 | } |
daniQQue | 40:187ef29de53d | 212 | } |
daniQQue | 40:187ef29de53d | 213 | else{ |
daniQQue | 40:187ef29de53d | 214 | |
daniQQue | 40:187ef29de53d | 215 | pwm_motor2=0; |
daniQQue | 40:187ef29de53d | 216 | pwm_motor1=0; |
daniQQue | 40:187ef29de53d | 217 | } |
daniQQue | 40:187ef29de53d | 218 | |
daniQQue | 40:187ef29de53d | 219 | } |
daniQQue | 0:34c739fcc3e0 | 220 | |
daniQQue | 0:34c739fcc3e0 | 221 | } |