Script 15-10-2019
Dependencies: Servoaansturing mbed QEI HIDScope biquadFilter MODSERIAL FastPWM
main.cpp
- Committer:
- Renate
- Date:
- 2019-11-01
- Revision:
- 34:1244984873ba
- Parent:
- 33:f81f68a912b3
- Child:
- 36:3c8b13f43b78
File content as of revision 34:1244984873ba:
#include "mbed.h" #include "HIDScope.h" #include "QEI.h" #include "MODSERIAL.h" #include "BiQuad.h" //#include "FastPWM.h" #define M_PI 3.14159265358979323846 /* pi */ #include <math.h> //#include "Servo.h" #include <cmath> //#include <complex> Serial pc(USBTX, USBRX); // TICKERS Ticker loop_ticker; //Ticker loop_prints; // BENODIGD VOOR PROCESS STATE MACHINE enum states {Motors_off, Calib_motor, Calib_EMG, Homing, Operation_mode}; states currentState = Motors_off; bool stateChanged = true; // Make sure the initialization of first state is executed // INPUTS DigitalIn Power_button_pressed(D1); // Geen InterruptIn gebruiken! DigitalIn Emergency_button_pressed(D2); DigitalIn Motor_calib_button_pressed(SW2); DigitalIn Homing_button_pressed(SW3); AnalogIn EMG_biceps_right_raw (A0); AnalogIn EMG_biceps_left_raw (A1); AnalogIn EMG_calf_raw (A2); QEI Encoder1(D13, D12, NC, 64); QEI Encoder2(D10, D9, NC, 64); // OUTPUTS PwmOut motor1(D6); // Misschien moeten we hiervoor DigitalOut gebruiken, moet PwmOut motor2(D5); // samen kunnen gaan met de servo motor DigitalOut motor1_dir(D7); DigitalOut motor2_dir(D4); // VARIABELEN VOOR ENCODER, MOTORHOEK ETC. double pulses_M1; double pulses_M2; double counts1; double counts2; const double conversion_factor = (2.0*M_PI)/(64.0*131.25*2.0); double theta_h_1_rad; double theta_h_2_rad; // DEFINITIES VOOR FILTERS // BICEPS-RECHTS // Definities voor eerste BiQuadChain (High-pass en Notch) BiQuadChain bqcbr; BiQuad bqbr1(0.8006, -1.6012, 0.8006, -1.5610, 0.6414); // High-pass BiQuad bqbr2(1, -1.6180, 1, -1.6019, 0.9801); // Notch // Na het nemen van de absolute waarde moet de tweede BiQuadChain worden toegepast. // Definieer (twee Low-pass -> vierde orde verkrijgen): BiQuadChain bqcbr2; BiQuad bqbr3(1.5515e-4, 3.1030e-4, 1.5515e-4, -1.9645, 0.9651); // Low-pass BiQuad bqbr4(1.5515e-4, 3.1030e-4, 1.5515e-4, -1.9645, 0.9651); // Low-pass // BICEPS-LINKS // Definities voor eerste BiQuadChain (High-pass en Notch) BiQuadChain bqcbl; BiQuad bqbl1(0.8006, -1.6012, 0.8006, -1.5610, 0.6414); // High-pass BiQuad bqbl2(1, -1.6180, 1, -1.6019, 0.9801); // Notch // Na het nemen van de absolute waarde moet de tweede BiQuadChain worden toegepast. // Definieer (twee Low-pass -> vierde orde verkrijgen): BiQuadChain bqcbl2; BiQuad bqbl3(1.5515e-4, 3.1030e-4, 1.5515e-4, -1.9645, 0.9651); // Low-pass BiQuad bqbl4(1.5515e-4, 3.1030e-4, 1.5515e-4, -1.9645, 0.9651); // Low-pass // KUIT // Definities voor eerste BiQuadChain (High-pass en Notch) BiQuadChain bqck; BiQuad bqk1(0.8006, -1.6012, 0.8006, -1.5610, 0.6414); // High-pass BiQuad bqk2(1, -1.6180, 1, -1.6019, 0.9801); // Notch // Na het nemen van de absolute waarde moet de tweede BiQuadChain worden toegepast. // Definieer (twee Low-pass -> vierde orde verkrijgen): BiQuadChain bqck2; BiQuad bqk3(1.5515e-4, 3.1030e-4, 1.5515e-4, -1.9645, 0.9651); // Low-pass BiQuad bqk4(1.5515e-4, 3.1030e-4, 1.5515e-4, -1.9645, 0.9651); // Low-pass // VARIABELEN VOOR EMG + FILTEREN double filtered_EMG_biceps_right; double filtered_EMG_biceps_left; double filtered_EMG_calf; double filtered_EMG_biceps_right_1; double filtered_EMG_biceps_left_1; double filtered_EMG_calf_1; double filtered_EMG_biceps_right_abs; double filtered_EMG_biceps_left_abs; double filtered_EMG_calf_abs; double filtered_EMG_biceps_right_total; double filtered_EMG_biceps_left_total; double filtered_EMG_calf_total; // Variabelen voor HIDScope HIDScope scope(3); // VARIABELEN VOOR (INITIATIE VAN) EMG KALIBRATIE LOOP bool calib = false; static int i_calib = 0; double mean_EMG_biceps_right; double mean_EMG_biceps_left; double mean_EMG_calf; // VARIABELEN VOOR OPERATION MODE (EMG) double normalized_EMG_biceps_right; double normalized_EMG_biceps_left; double normalized_EMG_calf; // VARIABELEN VOOR OPERATION MODE (RKI) double vx; // Gelijk aan variabele die snelheid aangeeft in EMG (in x-richting) double vy; // Gelijk aan variabele die snelheid aangeeft in EMG (in y-richting) double Inverse_jacobian[2][2]; double desired_velocity[2][1]; const double delta_t = 0.002; double Joint_1_position = 0.0; double Joint_2_position = 0.0; double Joint_1_position_prev = 0.0; double Joint_2_position_prev = 0.0; double Joint_velocity[2][1] = {{0.0}, {0.0}}; double q1_dot; double q2_dot; double q1; double q2; double Motor_1_position = 0.0; double Motor_2_position = 0.0; // VARIABELEN VOOR OPERATION MODE (PI-CONTROLLER) const double Kp = 12.5; const double Ki = 0.03; double theta_k_1 = 0.0; double theta_k_2 = 0.0; double error_integral_1 = 0.0; double error_integral_2 = 0.0; double u_i_1; double u_i_2; double theta_t_1; double theta_t_2; double error_M1; double error_M2; double abs_theta_t_1; double abs_theta_t_2; // VOIDS // Noodfunctie waarbij alles uitgaat (evt. nog een rood LEDje laten branden). // Enige optie is resetten, dan wordt het script opnieuw opgestart. void emergency() { loop_ticker.detach(); motor1.write(0); motor2.write(0); pc.printf("Ik ga exploderen!!!\r\n"); } // Motoren uitzetten void motors_off() { motor1.write(0); motor2.write(0); pc.printf("Motoren uit functie\r\n"); } // Motoren aanzetten void motors_on() { motor1.write(0.3); motor1_dir.write(0); motor2.write(0.3); motor2_dir.write(1); // Door motor 1 een richting van 1 te geven en motor 2 een van 0, draaien // beide motoren rechtsom pc.printf("Motoren aan functie\r\n"); } void Inverse_Kinematics() { // Defining joint velocities based on calculations of matlab Inverse_jacobian[0][0] = ((cos(q1+3.141592653589793/6.0)*-8.5E2-sin(q1)*4.25E2+cos(q1)*cos(q2)*2.25E2+cos(q1)*sin(q2)*6.77E2+cos(q2)*sin(q1)*6.77E2-sin(q1)*sin(q2)*2.25E2+sqrt(3.0)*cos(q1)*4.25E2-sqrt(3.0)*cos(q1)*cos(q2)*4.25E2+sqrt(3.0)*sin(q1)*sin(q2)*4.25E2)*(4.0E1/1.7E1))/(cos(q1)*cos(q1+3.141592653589793/6.0)*4.25E2+sin(q1)*sin(q1+3.141592653589793/6.0)*4.25E2-cos(q1)*sin(q2)*sin(q1+3.141592653589793/6.0)*6.77E2-cos(q2)*sin(q1)*sin(q1+3.141592653589793/6.0)*6.77E2+cos(q1+3.141592653589793/6.0)*sin(q1)*sin(q2)*6.77E2+sin(q1)*sin(q2)*sin(q1+3.141592653589793/6.0)*2.25E2-sqrt(3.0)*cos(q1)*sin(q1+3.141592653589793/6.0)*4.25E2+sqrt(3.0)*cos(q1+3.141592653589793/6.0)*sin(q1)*4.25E2-cos(q1)*cos(q2)*cos(q1+3.141592653589793/6.0)*6.77E2-cos(q1)*cos(q2)*sin(q1+3.141592653589793/6.0)*2.25E2+cos(q1)*cos(q1+3.141592653589793/6.0)*sin(q2)*2.25E2+cos(q2)*cos(q1+3.141592653589793/6.0)*sin(q1)*2.25E2+sqrt(3.0)*cos(q1)*cos(q2)*sin(q1+3.141592653589793/6.0)*4.25E2-sqrt(3.0)*cos(q1)*cos(q1+3.141592653589793/6.0)*sin(q2)*4.25E2-sqrt(3.0)*cos(q2)*cos(q1+3.141592653589793/6.0)*sin(q1)*4.25E2-sqrt(3.0)*sin(q1)*sin(q2)*sin(q1+3.141592653589793/6.0)*4.25E2); Inverse_jacobian[0][1] = ((cos(q1)*4.25E2-sin(q1+3.141592653589793/6.0)*8.5E2-cos(q1)*cos(q2)*6.77E2+cos(q1)*sin(q2)*2.25E2+cos(q2)*sin(q1)*2.25E2+sin(q1)*sin(q2)*6.77E2+sqrt(3.0)*sin(q1)*4.25E2-sqrt(3.0)*cos(q1)*sin(q2)*4.25E2-sqrt(3.0)*cos(q2)*sin(q1)*4.25E2)*(4.0E1/1.7E1))/(cos(q1)*cos(q1+3.141592653589793/6.0)*4.25E2+sin(q1)*sin(q1+3.141592653589793/6.0)*4.25E2-cos(q1)*sin(q2)*sin(q1+3.141592653589793/6.0)*6.77E2-cos(q2)*sin(q1)*sin(q1+3.141592653589793/6.0)*6.77E2+cos(q1+3.141592653589793/6.0)*sin(q1)*sin(q2)*6.77E2+sin(q1)*sin(q2)*sin(q1+3.141592653589793/6.0)*2.25E2-sqrt(3.0)*cos(q1)*sin(q1+3.141592653589793/6.0)*4.25E2+sqrt(3.0)*cos(q1+3.141592653589793/6.0)*sin(q1)*4.25E2-cos(q1)*cos(q2)*cos(q1+3.141592653589793/6.0)*6.77E2-cos(q1)*cos(q2)*sin(q1+3.141592653589793/6.0)*2.25E2+cos(q1)*cos(q1+3.141592653589793/6.0)*sin(q2)*2.25E2+cos(q2)*cos(q1+3.141592653589793/6.0)*sin(q1)*2.25E2+sqrt(3.0)*cos(q1)*cos(q2)*sin(q1+3.141592653589793/6.0)*4.25E2-sqrt(3.0)*cos(q1)*cos(q1+3.141592653589793/6.0)*sin(q2)*4.25E2-sqrt(3.0)*cos(q2)*cos(q1+3.141592653589793/6.0)*sin(q1)*4.25E2-sqrt(3.0)*sin(q1)*sin(q2)*sin(q1+3.141592653589793/6.0)*4.25E2); Inverse_jacobian[1][0] = ((sin(q1)*-4.25E2+cos(q1)*cos(q2)*2.25E2+cos(q1)*sin(q2)*6.77E2+cos(q2)*sin(q1)*6.77E2-sin(q1)*sin(q2)*2.25E2+sqrt(3.0)*cos(q1)*4.25E2-sqrt(3.0)*cos(q1)*cos(q2)*4.25E2+sqrt(3.0)*sin(q1)*sin(q2)*4.25E2)*(-4.0E1/1.7E1))/(cos(q1)*cos(q1+3.141592653589793/6.0)*4.25E2+sin(q1)*sin(q1+3.141592653589793/6.0)*4.25E2-cos(q1)*sin(q2)*sin(q1+3.141592653589793/6.0)*6.77E2-cos(q2)*sin(q1)*sin(q1+3.141592653589793/6.0)*6.77E2+cos(q1+3.141592653589793/6.0)*sin(q1)*sin(q2)*6.77E2+sin(q1)*sin(q2)*sin(q1+3.141592653589793/6.0)*2.25E2-sqrt(3.0)*cos(q1)*sin(q1+3.141592653589793/6.0)*4.25E2+sqrt(3.0)*cos(q1+3.141592653589793/6.0)*sin(q1)*4.25E2-cos(q1)*cos(q2)*cos(q1+3.141592653589793/6.0)*6.77E2-cos(q1)*cos(q2)*sin(q1+3.141592653589793/6.0)*2.25E2+cos(q1)*cos(q1+3.141592653589793/6.0)*sin(q2)*2.25E2+cos(q2)*cos(q1+3.141592653589793/6.0)*sin(q1)*2.25E2+sqrt(3.0)*cos(q1)*cos(q2)*sin(q1+3.141592653589793/6.0)*4.25E2-sqrt(3.0)*cos(q1)*cos(q1+3.141592653589793/6.0)*sin(q2)*4.25E2-sqrt(3.0)*cos(q2)*cos(q1+3.141592653589793/6.0)*sin(q1)*4.25E2-sqrt(3.0)*sin(q1)*sin(q2)*sin(q1+3.141592653589793/6.0)*4.25E2); Inverse_jacobian[1][1] = ((cos(q1)*4.25E2-cos(q1)*cos(q2)*6.77E2+cos(q1)*sin(q2)*2.25E2+cos(q2)*sin(q1)*2.25E2+sin(q1)*sin(q2)*6.77E2+sqrt(3.0)*sin(q1)*4.25E2-sqrt(3.0)*cos(q1)*sin(q2)*4.25E2-sqrt(3.0)*cos(q2)*sin(q1)*4.25E2)*(-4.0E1/1.7E1))/(cos(q1)*cos(q1+3.141592653589793/6.0)*4.25E2+sin(q1)*sin(q1+3.141592653589793/6.0)*4.25E2-cos(q1)*sin(q2)*sin(q1+3.141592653589793/6.0)*6.77E2-cos(q2)*sin(q1)*sin(q1+3.141592653589793/6.0)*6.77E2+cos(q1+3.141592653589793/6.0)*sin(q1)*sin(q2)*6.77E2+sin(q1)*sin(q2)*sin(q1+3.141592653589793/6.0)*2.25E2-sqrt(3.0)*cos(q1)*sin(q1+3.141592653589793/6.0)*4.25E2+sqrt(3.0)*cos(q1+3.141592653589793/6.0)*sin(q1)*4.25E2-cos(q1)*cos(q2)*cos(q1+3.141592653589793/6.0)*6.77E2-cos(q1)*cos(q2)*sin(q1+3.141592653589793/6.0)*2.25E2+cos(q1)*cos(q1+3.141592653589793/6.0)*sin(q2)*2.25E2+cos(q2)*cos(q1+3.141592653589793/6.0)*sin(q1)*2.25E2+sqrt(3.0)*cos(q1)*cos(q2)*sin(q1+3.141592653589793/6.0)*4.25E2-sqrt(3.0)*cos(q1)*cos(q1+3.141592653589793/6.0)*sin(q2)*4.25E2-sqrt(3.0)*cos(q2)*cos(q1+3.141592653589793/6.0)*sin(q1)*4.25E2-sqrt(3.0)*sin(q1)*sin(q2)*sin(q1+3.141592653589793/6.0)*4.25E2); desired_velocity[0][0] = vx; desired_velocity[1][0] = vy; Joint_velocity[0][0] = Inverse_jacobian[0][0]*desired_velocity[0][0] + Inverse_jacobian[0][1]*desired_velocity[1][0]; Joint_velocity[1][0] = Inverse_jacobian[1][0]*desired_velocity[0][0] + Inverse_jacobian[1][1]*desired_velocity[1][0]; /*// Integratie Joint_1_position = Joint_1_position_prev + Joint_velocity[0][0]*delta_t; Joint_2_position = Joint_2_position_prev + Joint_velocity[1][0]*delta_t; Joint_1_position_prev = Joint_1_position; Joint_2_position_prev = Joint_2_position; Motor_1_position = Joint_1_position; Motor_2_position = Joint_1_position + Joint_2_position;*/ } // PI-CONTROLLER void PI_controller() { // Proportional part: theta_k_1= Kp * error_M1; theta_k_2= Kp * error_M2; // Integral part error_integral_1 = error_integral_1+ error_M1*delta_t; error_integral_2 = error_integral_2+ error_M2*delta_t; u_i_1= Ki * error_integral_1; u_i_2= Ki * error_integral_2; // sum all parts and return it theta_t_1= theta_k_1 + u_i_1; theta_t_2= theta_k_2 + u_i_2; } void Define_motor_dir() { if (theta_t_1 >= 0 && theta_t_2 >= 0) { motor1_dir.write(0); motor2_dir.write(1); } if (theta_t_1 < 0 && theta_t_2 >= 0) { motor1_dir.write(1); motor1_dir.write(1); } if (theta_t_1 >= 0 && theta_t_2 < 0) { motor1_dir.write(0); motor2_dir.write(0); } else { motor1_dir.write(1); motor2_dir.write(0); } } volatile bool loop_done = true; // Finite state machine programming (calibration servo motor?) void ProcessStateMachine(void) { if (!loop_done) { pc.printf("Timing is f'ed up\r\n"); return; } loop_done = false; // Berekenen van de motorhoeken (in radialen) pulses_M1 = Encoder1.getPulses(); pulses_M2 = Encoder2.getPulses(); counts1 = pulses_M1*2; counts2 = pulses_M2*2; static int offset1 = 0; static int offset2 = 0; theta_h_1_rad = conversion_factor*(counts1-offset1); theta_h_2_rad = conversion_factor*(counts2-offset2); static bool returned; scope.set(0, EMG_biceps_right_raw); scope.set(1, pulses_M2); scope.set(2, returned); scope.send(); returned = false; // Calculating joint angles based on motor angles (current encoder values) q1 = theta_h_1_rad; // Relative angle joint 1 (rad) q2 = theta_h_2_rad - theta_h_1_rad; // Relative angle joint 2 (rad) // Eerste deel van de filters (High-pass + Notch) over het ruwe EMG signaal // doen. Het ruwe signaal wordt gelezen binnen een ticker en wordt daardoor 'gesampled' filtered_EMG_biceps_right_1=bqbr1.step(EMG_biceps_right_raw.read()); filtered_EMG_biceps_left_1=bqcbl.step(EMG_biceps_left_raw.read()); filtered_EMG_calf_1=bqck.step(EMG_calf_raw.read()); // Vervolgens wordt de absolute waarde hiervan genomen filtered_EMG_biceps_right_abs=abs(filtered_EMG_biceps_right_1); filtered_EMG_biceps_left_abs=abs(filtered_EMG_biceps_left_1); filtered_EMG_calf_abs=abs(filtered_EMG_calf_1); // Tenslotte wordt het tweede deel van de filters (twee low-pass, voor 4e orde filter) // over het signaal gedaan filtered_EMG_biceps_right=bqcbr2.step(filtered_EMG_biceps_right_abs); filtered_EMG_biceps_left=bqcbl2.step(filtered_EMG_biceps_left_abs); filtered_EMG_calf=bqck2.step(filtered_EMG_calf_abs); // De gefilterde EMG-signalen kunnen tevens visueel worden weergegeven in de HIDScope //scope.set(0, normalized_EMG_biceps_right); //scope.set(1, normalized_EMG_biceps_left); //scope.set(2, normalized_EMG_calf); //scope.send(); // Tijdens de kalibratie moet vervolgens een maximale spierspanning worden bepaald, die // later kan worden gebruikt voor een normalisatie. De spieren worden hiertoe gedurende // 5 seconden maximaal aangespannen. De EMG waarden worden bij elkaar opgeteld, // waarna het gemiddelde wordt bepaald. if (calib) { if (i_calib == 0) { filtered_EMG_biceps_right_total=0; filtered_EMG_biceps_left_total=0; filtered_EMG_calf_total=0; } if (i_calib <= 2500) { filtered_EMG_biceps_right_total+=filtered_EMG_biceps_right; filtered_EMG_biceps_left_total+=filtered_EMG_biceps_left; filtered_EMG_calf_total+=filtered_EMG_calf; i_calib+=100; } if (i_calib > 2500) { mean_EMG_biceps_right=filtered_EMG_biceps_right_total/2500.0; mean_EMG_biceps_left=filtered_EMG_biceps_left_total/2500.0; mean_EMG_calf=filtered_EMG_calf_total/2500.0; pc.printf("Ontspan spieren\r\n"); pc.printf("Rechterbiceps_max = %f, Linkerbiceps_max = %f, Kuit_max = %f\r\n", mean_EMG_biceps_right, mean_EMG_biceps_left, mean_EMG_calf); calib = false; } } // Genormaliseerde EMG's berekenen normalized_EMG_biceps_right=filtered_EMG_biceps_right/mean_EMG_biceps_right; normalized_EMG_biceps_left=filtered_EMG_biceps_left/mean_EMG_biceps_left; normalized_EMG_calf=filtered_EMG_calf/mean_EMG_calf; // Finite state machine switch (currentState) { case Motors_off: if (stateChanged) { motors_off(); // functie waarbij motoren uitgaan stateChanged = false; pc.printf("Motors off state\r\n"); } if (Emergency_button_pressed.read() == false) { // Normaal waarde 1 bij indrukken, nu nul -> false emergency(); } if (Power_button_pressed.read() == false) { // Normaal waarde 1 bij indrukken, nu nul -> false currentState = Calib_motor; stateChanged = true; pc.printf("Moving to Calib_motor state\r\n"); } break; case Calib_motor: if (stateChanged) { pc.printf("Zet motoren handmatig in home positie\r\n"); stateChanged = false; } if (Emergency_button_pressed.read() == false) { emergency(); } if (Motor_calib_button_pressed.read() == false) { offset1 = counts1; offset2 = counts2; pc.printf("Huidige hoek in radialen motor 1:%f en motor 2: %f (moet 0 zijn) \r\n", theta_h_1_rad, theta_h_2_rad); currentState = Calib_EMG; stateChanged = true; pc.printf("Moving to Calib_EMG state\r\n"); } break; case Calib_EMG: if (stateChanged) { i_calib = 0; calib = true; pc.printf("Span spieren aan\r\n"); stateChanged = false; } if (Emergency_button_pressed.read() == false) { emergency(); } if (i_calib > 2500) { calib = false; currentState = Homing; stateChanged = true; pc.printf("Moving to Homing state\r\n"); } break; case Homing: if (stateChanged) { // Ervoor zorgen dat de motoren zo bewegen dat de robotarm // (inclusief de end-effector) in de juiste home positie wordt gezet stateChanged = false; } if (Emergency_button_pressed.read() == false) { emergency(); } if (Homing_button_pressed.read() == false) { currentState = Operation_mode; stateChanged = true; pc.printf("Moving to operation mode \r\n"); } break; case Operation_mode: // Overgaan tot emergency wanneer referentie niet // overeenkomt met werkelijkheid // pc.printf("normalized_EMG_biceps_right= %f, mean_EMG_biceps_right = %f, filtered_EMG_biceps_right = %f\r\n", normalized_EMG_biceps_right, mean_EMG_biceps_right, filtered_EMG_biceps_right); if (stateChanged) { motors_off(); Joint_1_position = 0; Joint_2_position = 0; Joint_1_position_prev = Joint_1_position; Joint_2_position_prev = Joint_2_position; Joint_velocity[0][0] = 0; Joint_velocity[1][0] = 0; Motor_1_position = 0; Motor_2_position = 0; theta_k_1 = 0.0; theta_k_2 = 0.0; error_integral_1 = 0.0; error_integral_2 = 0.0; stateChanged = false; pc.printf("einde operation mode init"); } // Hier moet een functie worden aangeroepen die ervoor zorgt dat // aan de hand van EMG-signalen de motoren kunnen worden aangestuurd, // zodat de robotarm kan bewegen // if (Power_button_pressed.read() == false) { // Normaal waarde 1 bij indrukken, nu nul -> false // motors_off(); // currentState = Motors_off; // stateChanged = true; // pc.printf("Terug naar de state Motors_off\r\n"); // } if (Emergency_button_pressed.read() == false) { emergency(); } if (Motor_calib_button_pressed.read() == false) { // Is nu voor de homing motors_off(); currentState = Homing; stateChanged = true; pc.printf("Terug naar de state Homing\r\n"); } if (normalized_EMG_biceps_right >= 0.3) { if (normalized_EMG_calf < 0.3) { vx = 0.0; vy = 0.05; } if (normalized_EMG_calf >= 0.3) { vx = 0.0; vy = -0.05; } //pc.printf("q1=%f, q2=%f\r\n", q1, q2); Inverse_Kinematics(); int testval = Encoder1.getPulses(); int testval2 = Encoder2.getPulses(); pc.printf("testval %i testval2 %i \r\n", testval,testval2); //pc.printf("done"); }/* error_M1 = Motor_1_position - theta_h_1_rad; error_M2 = Motor_2_position - theta_h_2_rad; PI_controller(); abs_theta_t_1 = abs(theta_t_1); abs_theta_t_2 = abs(theta_t_2); motor1.write(abs_theta_t_1); motor2.write(abs_theta_t_2); Define_motor_dir(); } else if (normalized_EMG_biceps_left >= 0.3) { if (normalized_EMG_calf < 0.3) { vx = 0.05; vy = 0.0; } if (normalized_EMG_calf >= 0.3) { vx = -0.05; vy = 0.0; } Inverse_Kinematics(); error_M1 = Motor_1_position - theta_h_1_rad; error_M2 = Motor_2_position - theta_h_2_rad; PI_controller(); abs_theta_t_1 = abs(theta_t_1); abs_theta_t_2 = abs(theta_t_2); motor1.write(abs_theta_t_1); motor2.write(abs_theta_t_2); Define_motor_dir(); } else { vx = 0.0; vy = 0.0; Inverse_Kinematics(); error_M1 = Motor_1_position - theta_h_1_rad; error_M2 = Motor_2_position - theta_h_2_rad; PI_controller(); abs_theta_t_1 = abs(theta_t_1); abs_theta_t_2 = abs(theta_t_2); motor1.write(abs_theta_t_1); motor2.write(abs_theta_t_2); Define_motor_dir(); } */ break; default: // Zelfde functie als die eerder is toegepast om motoren uit te schakelen -> safety! motors_off(); pc.printf("Unknown or uninplemented state reached!\r\n"); } returned = true; loop_done = true; } //void Print() //{ //pc.printf("error_M2 = %f, Motor_2_position= %f, theta_h_2_rad = %f, pulses_M2 = %i\r\n", error_M2, Motor_2_position,theta_h_2_rad, pulses_M2); //} int main(void) { pc.baud(115200); pc.printf("Opstarten\r\n"); motor1.period_us(56); motor2.period_us(56); // Chain voor rechter biceps bqcbr.add(&bqbr1).add(&bqbr2); bqcbr2.add(&bqbr3).add(&bqbr4); // Chain voor linker biceps bqcbl.add(&bqbl1).add(&bqbl2); bqcbl2.add(&bqbl3).add(&bqbl4); // Chain voor kuit bqck.add(&bqk1).add(&bqk2); bqck2.add(&bqk3).add(&bqk4); loop_ticker.attach(&ProcessStateMachine, 0.002f); //loop_prints.attach(&Print, 0.5f); while(true) { // wait(0.2); /* do nothing */ } }