Important changes to repositories hosted on mbed.com
Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.
To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.
It is also possible to export all your personal repositories from the account settings page.
Dependencies: MODSERIAL biquadFilter mbed
Fork of Kinematics by
Diff: main.cpp
- Revision:
- 3:de8d3ca44a3e
- Parent:
- 2:0a7a3c0c08d3
- Child:
- 4:49dfbfcd3577
diff -r 0a7a3c0c08d3 -r de8d3ca44a3e main.cpp
--- a/main.cpp Mon Oct 29 14:02:47 2018 +0000
+++ b/main.cpp Mon Oct 29 15:01:52 2018 +0000
@@ -4,13 +4,13 @@
#include "MODSERIAL.h"
#define PI 3.14159265
-MODSERIAL pc(USBTX, USBRX);
-DigitalIn button1(SW3);
-DigitalIn button2(SW2);
+MODSERIAL pc(USBTX, USBRX); // connecting to pc
+DigitalIn button1(SW3);
+DigitalIn button2(SW2);
DigitalOut LED(LED1);
//Joe dit zijn de inputsignalen
-double theta1; double theta4; double emg1; double emg2; double emg3;
+double theta1 = PI*0.5; double theta4 = PI*0.5; double emg1; double emg2; double emg3;
// Joe dit zijn de outputsignalen
double x; double y;
@@ -21,14 +21,14 @@
//forward kinematics, Check mathematica! Omdat mbed in paniek raakt met meerdere wortels, hebben we de vergelijking opgedeeld in 3 stukken
//First define the position equation of x
double xendsum = lb + xbase +ll*(cos(theta1) - cos(theta4));
-double xendsqrt1 = 2*sqrt(xbase*xbase/4 + lu*lu + ll*(xbase*(cos(theta1)+cos(theta4))/2) -ll*(1+ cos(theta1+theta4)))*(-sin(theta1)+sin(theta4));
+double xendsqrt1 = 2*sqrt(-xbase*xbase/4 + lu*lu + ll*(xbase*(cos(theta1)+cos(theta4))/2) -ll*(1+ cos(theta1+theta4)))*(-sin(theta1)+sin(theta4));
double xendsqrt2 = sqrt(pow((-xbase/ll+cos(theta1)+cos(theta4)),2)+ pow(sin(theta1) - sin(theta4),2));
double xend = (xendsum + xendsqrt1/xendsqrt2)/2;
//Now define the pos. eq. of y
-double yendsum = le;
+double yendsum = -le + ll/2*(sin(theta1)+sin(theta4));
double yendsqrt1 = (-xbase/ll + cos(theta1)+cos(theta4))*sqrt(-xbase*xbase/4 + lu*lu + ll/2*(xbase*(cos(theta1)+cos(theta4))- ll*(1+cos(theta1+theta4))));
-double yendsqrt2 = ll/5*(sin(theta1)+sin(theta4))+ sqrt(pow((-xbase/ll + cos(theta1)+ cos(theta4)),2)+ pow((sin(theta1)-sin(theta4)),2));
-float yend = (xendsum + xendsqrt1/xendsqrt2);
+double yendsqrt2 = sqrt(pow((-xbase/ll + cos(theta1)+ cos(theta4)),2)+ pow((sin(theta1)-sin(theta4)),2));
+double yend = (yendsum + yendsqrt1/yendsqrt2);
//Hier definieren we de functies
@@ -37,13 +37,15 @@
//Joe, hieronder staan de functies die door de tickers aangeroepen worden
void xcor(){
+ if (button1 == 0){
//als emg1==voorbij treshold,
- theta1 = PI*0.33; //double theta1-> plus een paar counts (emg*richting)
+ theta1 = PI*(theta1/PI + 0.1); //double theta1-> plus een paar counts (emg*richting)
theta4 = PI*0.5; //double theta4-> plus een paar counts (emg*richting)
xend = (xendsum + xendsqrt1/xendsqrt2)/2;
//default = als x = xbase/2... break
//end
}
+}
void ycor(){
//als emg2 == voorbij treshold,
//double theta1 -> plus counts (emg*richting)
@@ -58,12 +60,14 @@
{
pc.baud(115200);
- pc.printf("%f\n", xend);
//default = theta1 = theta4 = pi/2
emgcheck.attach(xcor, 0.001);
emgcheck.attach(ycor, 0.001);
emgcheck.attach(flip, 0.001);
-
+ while(true){
+ pc.printf("%f %f \n", xend,yend);
+ wait(1);
+ }
