Gerjan Wolterink / Mbed 2 deprecated Pregelaar

codevoor esther

Dependencies:   Encoder MODSERIAL mbed

main.cpp@1:0db79ea80741, 2013-11-04 (annotated)

Committer:
gerjan
Date:
Mon Nov 04 14:21:07 2013 +0000
Revision:
1:0db79ea80741
Parent:
0:155294201f36
Child:
2:3987ed9570c8
vrijdag werkend;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
gerjan 0:155294201f36 1 #include "mbed.h"
gerjan 0:155294201f36 2 #include "encoder.h"
gerjan 0:155294201f36 3 #include "MODSERIAL.h"
gerjan 0:155294201f36 4
gerjan 0:155294201f36 5 // Maken van een looptimer.
gerjan 0:155294201f36 6 volatile bool looptimerflag;
gerjan 0:155294201f36 7 void setlooptimerflag(void)
gerjan 0:155294201f36 8 {
gerjan 0:155294201f36 9 looptimerflag = true;
gerjan 0:155294201f36 10 }
gerjan 0:155294201f36 11
gerjan 0:155294201f36 12 int main()
gerjan 0:155294201f36 13 {
gerjan 0:155294201f36 14
gerjan 0:155294201f36 15 // Communicatie voor pc
gerjan 0:155294201f36 16 MODSERIAL pc(USBTX,USBRX);
gerjan 0:155294201f36 17 pc.baud(115200);
gerjan 0:155294201f36 18
gerjan 0:155294201f36 19 // Voor aansturen motoren
gerjan 0:155294201f36 20 double pi;
gerjan 0:155294201f36 21 pi=3.14159265359;
gerjan 0:155294201f36 22
gerjan 0:155294201f36 23 double x,y;
gerjan 0:155294201f36 24
gerjan 0:155294201f36 25
gerjan 0:155294201f36 26
gerjan 0:155294201f36 27 // Variabelen benoemen voor regelaar motor.
gerjan 0:155294201f36 28 double theta, theta_pen, up_theta, kp_theta, kd_theta, dtheta, ei_theta, ui_theta, ki_theta, ed_theta, u_theta, ud_theta, theta_pwm;
gerjan 0:155294201f36 29 double r, r_pen, up_r, kp_r, kd_r, dr, ei_r, ui_r, ki_r, ed_r, u_r, ud_r, r_pwm;
gerjan 0:155294201f36 30 double motor1_maxu, motor2_maxu;
gerjan 0:155294201f36 31 double Ts;
gerjan 0:155294201f36 32
gerjan 0:155294201f36 33 // Sample tijd
gerjan 0:155294201f36 34 Ts = 0.001;
gerjan 0:155294201f36 35
gerjan 0:155294201f36 36 // Pinnen voor potmeter
gerjan 0:155294201f36 37 AnalogIn potmeter1(PTB2);
gerjan 0:155294201f36 38 AnalogIn potmeter2(PTB3);
gerjan 0:155294201f36 39
gerjan 0:155294201f36 40 // Pinnen voor encoder
gerjan 0:155294201f36 41 /* First pin should be PTDx or PTAx because those pins can be used as interruptIn */
gerjan 0:155294201f36 42 Encoder motor1(PTD0,PTC9);
gerjan 0:155294201f36 43 Encoder motor2(PTD2,PTC8);
gerjan 0:155294201f36 44
gerjan 0:155294201f36 45 /* PWM naar motor */
gerjan 0:155294201f36 46 PwmOut pwm_motor1(PTA12);
gerjan 0:155294201f36 47 PwmOut pwm_motor2(PTA5);
gerjan 0:155294201f36 48
gerjan 0:155294201f36 49 /* Pin voor richting */
gerjan 0:155294201f36 50 DigitalOut motor1dir(PTD3);
gerjan 0:155294201f36 51 DigitalOut motor2dir(PTD1);
gerjan 0:155294201f36 52
gerjan 0:155294201f36 53 //Tijd looptimer instellen.
gerjan 0:155294201f36 54 Ticker looptimer;
gerjan 0:155294201f36 55 looptimer.attach(setlooptimerflag,Ts);
gerjan 0:155294201f36 56
gerjan 0:155294201f36 57
gerjan 0:155294201f36 58 // Oneidige loop...
gerjan 0:155294201f36 59 while(true) {
gerjan 0:155294201f36 60 while(looptimerflag != true);
gerjan 0:155294201f36 61 looptimerflag = false;
gerjan 0:155294201f36 62
gerjan 1:0db79ea80741 63 x = (potmeter1.read()*297.0+69.8)*-1.0;
gerjan 0:155294201f36 64 y = (potmeter2.read()*210.0+69.8);
gerjan 0:155294201f36 65
gerjan 1:0db79ea80741 66 //x = x*10.0 + 69.8;
gerjan 1:0db79ea80741 67 //y = y*10.0 + 69.8;
gerjan 0:155294201f36 68
gerjan 0:155294201f36 69 theta = atan(y/x) ;// * (400.0/(.5*pi));
gerjan 0:155294201f36 70 r = (sqrt(x*x+y*y)) ;// * (2577/461.335);
gerjan 0:155294201f36 71
gerjan 0:155294201f36 72
gerjan 0:155294201f36 73 theta_pen = motor1.getPosition() * ((.5*pi)/400);
gerjan 1:0db79ea80741 74 r_pen = motor2.getPosition() * (363.0/2577.0);
gerjan 0:155294201f36 75
gerjan 0:155294201f36 76
gerjan 0:155294201f36 77 dtheta = (theta - theta_pen);
gerjan 0:155294201f36 78 dr = (r - r_pen);
gerjan 0:155294201f36 79
gerjan 1:0db79ea80741 80 theta_pwm = (dtheta)*0.5;
gerjan 0:155294201f36 81 r_pwm = (dr)*0.001;
gerjan 0:155294201f36 82
gerjan 0:155294201f36 83 //NAAR MOTOR
gerjan 0:155294201f36 84
gerjan 0:155294201f36 85 //Zorgen dat pwm tussen -1 en 1 blijft.
gerjan 0:155294201f36 86 if(theta_pwm > 1) {
gerjan 0:155294201f36 87 theta_pwm=1;
gerjan 0:155294201f36 88 }
gerjan 0:155294201f36 89 if(theta_pwm < -1) {
gerjan 0:155294201f36 90 theta_pwm=-1;
gerjan 0:155294201f36 91 }
gerjan 0:155294201f36 92 if(r_pwm > 1) {
gerjan 0:155294201f36 93 r_pwm=1;
gerjan 0:155294201f36 94 }
gerjan 0:155294201f36 95 if(r_pwm < -1) {
gerjan 0:155294201f36 96 r_pwm=-1;
gerjan 0:155294201f36 97 }
gerjan 0:155294201f36 98
gerjan 0:155294201f36 99 // Bepaal richting waarin motoren moeten draaien
gerjan 0:155294201f36 100 if(theta_pwm > 0)
gerjan 0:155294201f36 101 motor1dir.write(1);
gerjan 0:155294201f36 102 else
gerjan 0:155294201f36 103 motor1dir.write(0);
gerjan 0:155294201f36 104 if(r_pwm > 0)
gerjan 0:155294201f36 105 motor2dir.write(1);
gerjan 0:155294201f36 106 else
gerjan 0:155294201f36 107 motor2dir.write(0);
gerjan 0:155294201f36 108
gerjan 0:155294201f36 109 // print naar pc
gerjan 1:0db79ea80741 110 pc.printf("t=%.3f dt=%.3f tpwm=%.3f | r=%.3f dr=%.3f rpwm=%.3f\n", theta, dtheta, theta_pwm, r, dr, r_pwm);
gerjan 0:155294201f36 111
gerjan 0:155294201f36 112 //schrijf PWM naar motor
gerjan 0:155294201f36 113 pwm_motor1.write(abs(theta_pwm));
gerjan 0:155294201f36 114 pwm_motor2.write(abs(r_pwm));
gerjan 0:155294201f36 115
gerjan 0:155294201f36 116
gerjan 0:155294201f36 117
gerjan 0:155294201f36 118 }
gerjan 0:155294201f36 119 }