changes to motor library
Fork of motor by
Revision 11:4a6f97cc1f1e, committed 2016-11-14
- Comitter:
- lh14g13
- Date:
- Mon Nov 14 18:04:20 2016 +0000
- Branch:
- testing
- Parent:
- 10:f4fc8ccde4ad
- Commit message:
- sensor free ED tested version;
Changed in this revision
motor.cpp | Show annotated file Show diff for this revision Revisions of this file |
motor.h | Show annotated file Show diff for this revision Revisions of this file |
diff -r f4fc8ccde4ad -r 4a6f97cc1f1e motor.cpp --- a/motor.cpp Fri Nov 11 12:50:48 2016 +0000 +++ b/motor.cpp Mon Nov 14 18:04:20 2016 +0000 @@ -16,11 +16,11 @@ //Corner Control - -void corner(float &w1,float &w2,float deltaTheta,int maxspeed) +void dutyCycleCorner( float speed, float angle); +void corner(float &w1,float &w2,float deltaTheta,int maxspeed); void steering(float center, float theta, int maxspeed); - +void centerWheels(); int cornerPwmControl;// this sets the cornering percentage ratio. value between 1 and 0. // 100 means both motors run at the same speed. 0 means that one motor turns off. @@ -139,14 +139,14 @@ } -void speedSetting(int w1, int w2 ,int w1M, int w2M) +/*void speedSetting(int w1, int w2 ,int w1M, int w2M) { // need to compare the measured frequency float deltaW1 = w1 - w1M; float deltaW2 = w2 - w2M; - if(delatW1 <0) + if(deltaW1 <0) { changespeed(0,w1); } @@ -156,7 +156,7 @@ changespeed(1,w1); } return; -} +}*/ //need to fill out function for calculating the change in speed. void changespeed(bool a, float w) @@ -182,16 +182,38 @@ -// this is a function whihc works off of the duty cycle. -void dutyCycleCorner( float speed,float & w1, float & w2,float middlePoint) +// this is a function whihc works off of the duty cycle. NO SENSOR REQUIREMENT +void dutyCycleCorner( float speed, float angle) { - float width; + + //float width =0.15; //float radius= center(middlePoint); - float radius = 0.6; - float w1=(speed/radius)*(radius + width/2); - float w2=(speed/radius)*(radius - width/2); + + bool leftOrRight; + float theta = angle/0.02222f; + if(theta<0) + { + leftOrRight=true; + theta=theta*-1; + + } +// float diff = (tan(theta))/ 2; + + - TFC_ + //float radius = 0.6; + float x = tan(theta* (3.14f / 180.0f)); + float deltaW = ((0.2f*x)/0.2f)*speed; + float w1=speed+ deltaW; + float w2= speed- deltaW; + + TFC_SetMotorPWM(w2,w1); + /*if(leftOrRight){ + TFC_SetMotorPWM(w1,w2); + } + else{ + TFC_SetMotorPWM(w2,w1); + }*/ @@ -205,11 +227,13 @@ float r; float d; float l; + + // it may be worth doing this off the change in theta. so that it is insesnsitive to the calibration. float diff= ((d*tan(deltaTheta)/(2*l))); - float w1 = (maxspeed/r)*(1+diff); - float w2 = (maxspeed/r)*(1-diff); + w1 = (maxspeed/r)*(1+diff); + w2 = (maxspeed/r)*(1-diff); @@ -241,10 +265,9 @@ corner(w1,w2,deltaTheta,maxspeed); } - else() - { + else{ //going right? - corner(w2,w1,deltaTheta); + corner(w2,w1,deltaTheta,maxspeed); }
diff -r f4fc8ccde4ad -r 4a6f97cc1f1e motor.h --- a/motor.h Fri Nov 11 12:50:48 2016 +0000 +++ b/motor.h Mon Nov 14 18:04:20 2016 +0000 @@ -1,5 +1,6 @@ #include "mbed.h" #include "TFC.h" +#include <math.h> int motor_setup(); void TurnOn(); @@ -19,7 +20,7 @@ void cornerRight(float speed); //advanced corner - -void deltaCornerRight(float speed,float deltaTheta); -void deltaCornerLeft(float speed,float deltaTheta); -void steering(float center, float theta, int maxspeed) \ No newline at end of file +void dutyCycleCorner( float speed, float angle); +void corner(float &w1,float &w2,float deltaTheta,int maxspeed); +void centerWheels(); +void steering(float center, float theta, int maxspeed); \ No newline at end of file