changes to motor library
Fork of motor by
Diff: motor.cpp
- Branch:
- motorupdate
- Revision:
- 15:f40e834d063b
- Parent:
- 14:bc77edc4adb0
- Child:
- 16:9c5e9306ae10
--- a/motor.cpp Sun Nov 20 13:24:43 2016 +0000 +++ b/motor.cpp Sun Nov 20 13:45:30 2016 +0000 @@ -10,17 +10,15 @@ //Speed control -void Acc(float& motorA, float& motorB); -void Decc(float& motorA, float& motorB); -void StartLine(); + +float setDutyCycle(float dutyC, int w,int targetW); //Corner Control 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. @@ -81,101 +79,36 @@ //------------------------ this is for speed control--------------------------------------------------- //----------------------------------------------------------------------------------------------------- - +float setDutyCycle(float dutyC, int w,int targetW) +{ -void Acc(float& motorA, float& motorB)// set up so as to control both motors during acc. Potential use during corners - { - motorA = motorA + 0.1; - motorB = motorB + 0.1; - TFC_SetMotorPWM(motorA,motorB); - - - return ; - } - -void Decc(float &motorA, float &motorB) + if(true) { - // a good thing to do would be to have a margin for adjustment so that the car cornering can control the acc+dcc much better. + if(w<targetW) + { + dutyC+=0.1; - motorA = motorA - 0.1; - motorB = motorB - 0.1; + } - TFC_SetMotorPWM(motorA,motorB); + else + { + dutyC-=0.1; + } - return ; - } -void StartLine() + else if(false) { - TFC_HBRIDGE_ENABLE; - float a=0; - float b=0; - - int x=0 ; - while(x<5) - { - Acc(a,b); - wait(0.5); - x++ ; - } - return ; - } - -void finishLine(float pwmA) - { - float pwmB= pwmA; - while(pwmA>0) - { - - - Decc(pwmA,pwmB); - - } - return; } - -/*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(deltaW1 <0) - { - changespeed(0,w1); - } - - else if(delatW1 >0) - { - changespeed(1,w1); - } - return; -}*/ - -//need to fill out function for calculating the change in speed. -void changespeed(bool a, float w) -{ - float change; - - if(a == 1) - { - w+= change; - } - - else if (a ==0) - { - - w-= change; - } - return; + + return dutyC; } + //---------------------------------------------------------------------------------------------------------------------------- //------------------------------------------------Cornering Control----------------------------------------------------------- //---------------------------------------------------------------------------------------------------------------------------- @@ -185,7 +118,7 @@ // tThis is a function which works off of the duty cycle. NO SENSOR REQUIREMENT // CLEAN THIS UP AND UPDATE FOR SENSORS VERSION WITH THIS CODE // this function works off the actual value rather than the change in angle. therefore need to have a variabe which stores where the value is. -void dutyCycleCorner( float speed, float angle) +void dutyCycleCorner( float speed, float theta) { bool leftOrRight; if(theta<0) @@ -195,7 +128,7 @@ } - float deltaW = ((0.2f*tan((angle/0.02222f)* (3.14f / 180.0f)))/0.2f)*speed; + float deltaW = ((0.2f*tan((theta/0.02222f)* (3.14f / 180.0f)))/0.2f)*speed; //TFC_SetMotorPWM(w2,w1); if(leftOrRight){ @@ -211,7 +144,7 @@ } -void sensorCorner(float &w1,float &w2,float deltaTheta,int maxspeed) +void sensorCorner(float &w1,float &w2,float theta,int speed) { // when cornering left the left motor slows down more than the right hand side // may just replace with ACC and DECC @@ -224,10 +157,10 @@ } - float deltaW = ((0.2f*tan((angle/0.02222f)* (3.14f / 180.0f)))/0.2f)*speed; + float deltaW = ((0.2f*tan((theta/0.02222f)* (3.14f / 180.0f)))/0.2f)*speed; - &w1= maxspeed+ deltaW; - &w2= maxspeed -deltaW; + w1= speed+ deltaW; + w2= speed -deltaW; return; @@ -236,44 +169,11 @@ -float centerWheels(float min, float max) -{ - float center= (min +max)/2; - - return center; -} - -void steering(float center, float theta, int maxspeed,float & w1, float & w2) -{ // this function is for simply calculating the motor speeds. this reduces the amount of calculations needed - //and can be triggered when the car steers. - - - float deltaTheta = center- theta; - - // need to convert to degrees/radians. that can do the above as well. - if(deltaTheta <0) - { - // going left? - corner(w1,w2,deltaTheta,maxspeed); - } - - else{ - //going right? - corner(w2,w1,deltaTheta,maxspeed); - - } - - return; -} - -void setDutyCycle(int w, int targetW) -{ - - - - -} + + + +