bio robot

Dependencies:   MPU6050-DMP QEI_hw mbed-rpc mbed

Fork of MPU6050_Example by Shundo Kishi

Committer:
amandaghassaei
Date:
Wed Dec 09 03:40:38 2015 +0000
Revision:
14:d620415259b1
Parent:
13:64d337c5114e
Child:
15:d88f10b3b5f8
renaming gains variable

Who changed what in which revision?

UserRevisionLine numberNew contents of line
amandaghassaei 7:7efcd3bf3302 1 #ifndef Controls_h
amandaghassaei 7:7efcd3bf3302 2 #define Controls_h
amandaghassaei 7:7efcd3bf3302 3
amandaghassaei 8:1a3a69fecedf 4 #include <math.h>
amandaghassaei 7:7efcd3bf3302 5 #include "Gains.h"
amandaghassaei 7:7efcd3bf3302 6 #include "Target.h"
amandaghassaei 8:1a3a69fecedf 7 #include "MyMPU6050.h"
amandaghassaei 8:1a3a69fecedf 8 #include "Motor.h"
amandaghassaei 8:1a3a69fecedf 9 #include "Dynamics.h"
amandaghassaei 7:7efcd3bf3302 10
amandaghassaei 10:769cc457c3a4 11 #define controlTimerPeriod 0.001
amandaghassaei 10:769cc457c3a4 12
amandaghassaei 8:1a3a69fecedf 13 class Controls: public CommDelegate{
amandaghassaei 7:7efcd3bf3302 14
amandaghassaei 7:7efcd3bf3302 15 public:
amandaghassaei 7:7efcd3bf3302 16
amandaghassaei 9:1d9b24d7ac77 17 Controls():myMPU6050_1(p28, p27, p18), myMPU6050_2(p9, p10, p11){//I2C_SDA, I2C_SCL, int_pin
amandaghassaei 10:769cc457c3a4 18 }
amandaghassaei 8:1a3a69fecedf 19
amandaghassaei 10:769cc457c3a4 20 void setup(){
amandaghassaei 9:1d9b24d7ac77 21 setInverted(false);
amandaghassaei 8:1a3a69fecedf 22
amandaghassaei 11:711d3c207e8c 23 float m1 = 0.93159230;
amandaghassaei 11:711d3c207e8c 24 float m2 = 0.45433433;
amandaghassaei 11:711d3c207e8c 25 float l1 = 0.275;//length of links
amandaghassaei 8:1a3a69fecedf 26 float l2 = l1;
amandaghassaei 11:711d3c207e8c 27 float I1 = 0.03736067;
amandaghassaei 11:711d3c207e8c 28 float I2 = 0.01778165;
amandaghassaei 11:711d3c207e8c 29 float c1 = l1-0.08567346;//location of center of mass along link
amandaghassaei 11:711d3c207e8c 30 float c2 = 0.17594269;
amandaghassaei 8:1a3a69fecedf 31 float g = 9.81;
amandaghassaei 8:1a3a69fecedf 32 float lattice_pitch = 0.35;
amandaghassaei 8:1a3a69fecedf 33 _parameters[0] = l1;
amandaghassaei 8:1a3a69fecedf 34 _parameters[1] = l2;
amandaghassaei 8:1a3a69fecedf 35 _parameters[2] = c1;
amandaghassaei 8:1a3a69fecedf 36 _parameters[3] = c2;
amandaghassaei 8:1a3a69fecedf 37 _parameters[4] = m1;
amandaghassaei 8:1a3a69fecedf 38 _parameters[5] = m2;
amandaghassaei 8:1a3a69fecedf 39 _parameters[6] = I1;
amandaghassaei 8:1a3a69fecedf 40 _parameters[7] = I2;
amandaghassaei 8:1a3a69fecedf 41 _parameters[8] = g;
amandaghassaei 8:1a3a69fecedf 42 _parameters[9] = lattice_pitch;
amandaghassaei 8:1a3a69fecedf 43
amandaghassaei 11:711d3c207e8c 44 _manualTheta = 0;
amandaghassaei 12:49813131dd15 45
amandaghassaei 12:49813131dd15 46 setTargetPosition(6);
amandaghassaei 7:7efcd3bf3302 47 }
amandaghassaei 9:1d9b24d7ac77 48
amandaghassaei 9:1d9b24d7ac77 49 void setInverted(bool inverted){
amandaghassaei 9:1d9b24d7ac77 50 _inverted = inverted;
amandaghassaei 9:1d9b24d7ac77 51 if (!_inverted) {
amandaghassaei 9:1d9b24d7ac77 52 myMPU6050_2.disable();
amandaghassaei 9:1d9b24d7ac77 53 myMPU6050_1.enable();
amandaghassaei 9:1d9b24d7ac77 54 } else {
amandaghassaei 9:1d9b24d7ac77 55 myMPU6050_1.disable();
amandaghassaei 9:1d9b24d7ac77 56 myMPU6050_2.enable();
amandaghassaei 9:1d9b24d7ac77 57 }
amandaghassaei 9:1d9b24d7ac77 58 }
amandaghassaei 9:1d9b24d7ac77 59
amandaghassaei 9:1d9b24d7ac77 60 void setPC(Serial *pc){
amandaghassaei 9:1d9b24d7ac77 61 _pc = pc;
amandaghassaei 9:1d9b24d7ac77 62 motor.setPC(pc);
amandaghassaei 9:1d9b24d7ac77 63 gains.setPC(pc);
amandaghassaei 9:1d9b24d7ac77 64 target.setPC(pc);
amandaghassaei 9:1d9b24d7ac77 65 myMPU6050_1.setPC(pc);
amandaghassaei 9:1d9b24d7ac77 66 myMPU6050_2.setPC(pc);
amandaghassaei 9:1d9b24d7ac77 67 }
amandaghassaei 7:7efcd3bf3302 68
amandaghassaei 7:7efcd3bf3302 69 Gains gains;
amandaghassaei 9:1d9b24d7ac77 70 void setSwingUpK(float k){
amandaghassaei 9:1d9b24d7ac77 71 gains.setSwingUpK(k);
amandaghassaei 9:1d9b24d7ac77 72 };
amandaghassaei 9:1d9b24d7ac77 73 void setSwingUpD(float d){
amandaghassaei 9:1d9b24d7ac77 74 gains.setSwingUpD(d);
amandaghassaei 9:1d9b24d7ac77 75 };
amandaghassaei 14:d620415259b1 76 void setDesiredThetaP(float p){
amandaghassaei 14:d620415259b1 77 gains.setDesiredThetaP(p);
amandaghassaei 9:1d9b24d7ac77 78 };
amandaghassaei 9:1d9b24d7ac77 79 float getSwingUpK(){
amandaghassaei 9:1d9b24d7ac77 80 return gains.getSwingUpK();
amandaghassaei 9:1d9b24d7ac77 81 };
amandaghassaei 9:1d9b24d7ac77 82 float getSwingUpD(){
amandaghassaei 9:1d9b24d7ac77 83 return gains.getSwingUpD();
amandaghassaei 9:1d9b24d7ac77 84 };
amandaghassaei 14:d620415259b1 85 float getDesiredThetaP(){
amandaghassaei 14:d620415259b1 86 return gains.getDesiredThetaP();
amandaghassaei 9:1d9b24d7ac77 87 };
amandaghassaei 9:1d9b24d7ac77 88
amandaghassaei 7:7efcd3bf3302 89 Target target;
amandaghassaei 9:1d9b24d7ac77 90 void setTargetPosition(int position){
amandaghassaei 12:49813131dd15 91 target.setPosition(position, _parameters);
amandaghassaei 9:1d9b24d7ac77 92 };
amandaghassaei 9:1d9b24d7ac77 93 int getTargetPosition(){
amandaghassaei 9:1d9b24d7ac77 94 return target.getPosition();
amandaghassaei 9:1d9b24d7ac77 95 };
amandaghassaei 8:1a3a69fecedf 96
amandaghassaei 8:1a3a69fecedf 97 Motor motor;
amandaghassaei 11:711d3c207e8c 98 void setTheta(float theta){
amandaghassaei 11:711d3c207e8c 99 _manualTheta = theta;
amandaghassaei 9:1d9b24d7ac77 100 };
amandaghassaei 10:769cc457c3a4 101
amandaghassaei 11:711d3c207e8c 102 float _manualTheta;
amandaghassaei 7:7efcd3bf3302 103
amandaghassaei 8:1a3a69fecedf 104 //imu
amandaghassaei 8:1a3a69fecedf 105 MyMPU6050 myMPU6050_1;
amandaghassaei 8:1a3a69fecedf 106 MyMPU6050 myMPU6050_2;
amandaghassaei 10:769cc457c3a4 107
amandaghassaei 10:769cc457c3a4 108 void updateIMUS(){
amandaghassaei 10:769cc457c3a4 109 getActiveIMU()->loop();
amandaghassaei 11:711d3c207e8c 110 updateThetas();
amandaghassaei 10:769cc457c3a4 111 }
amandaghassaei 7:7efcd3bf3302 112
amandaghassaei 7:7efcd3bf3302 113 void loop(){
amandaghassaei 10:769cc457c3a4 114
amandaghassaei 13:64d337c5114e 115 getActiveIMU()->disableInterrupt();
amandaghassaei 13:64d337c5114e 116
amandaghassaei 12:49813131dd15 117 float tau = calcTau(_z, _parameters, &gains, &target, _pc);
amandaghassaei 9:1d9b24d7ac77 118 motor.setTorque(tau);
amandaghassaei 10:769cc457c3a4 119
amandaghassaei 13:64d337c5114e 120 getActiveIMU()->enableInterrupt();
amandaghassaei 10:769cc457c3a4 121 }
amandaghassaei 10:769cc457c3a4 122
amandaghassaei 10:769cc457c3a4 123 MyMPU6050* getActiveIMU(){
amandaghassaei 10:769cc457c3a4 124 if (_inverted) return &myMPU6050_2;
amandaghassaei 10:769cc457c3a4 125 return &myMPU6050_1;
amandaghassaei 10:769cc457c3a4 126 }
amandaghassaei 10:769cc457c3a4 127
amandaghassaei 8:1a3a69fecedf 128 float getTheta1(){
amandaghassaei 8:1a3a69fecedf 129 return _z[0];
amandaghassaei 7:7efcd3bf3302 130 }
amandaghassaei 8:1a3a69fecedf 131 float getDTheta1(){
amandaghassaei 8:1a3a69fecedf 132 return _z[2];
amandaghassaei 8:1a3a69fecedf 133 }
amandaghassaei 8:1a3a69fecedf 134 float getTheta2(){
amandaghassaei 8:1a3a69fecedf 135 return _z[1];
amandaghassaei 8:1a3a69fecedf 136 }
amandaghassaei 8:1a3a69fecedf 137 float getDTheta2(){
amandaghassaei 8:1a3a69fecedf 138 return _z[3];
amandaghassaei 8:1a3a69fecedf 139 }
amandaghassaei 8:1a3a69fecedf 140
amandaghassaei 8:1a3a69fecedf 141
amandaghassaei 7:7efcd3bf3302 142
amandaghassaei 7:7efcd3bf3302 143 private:
amandaghassaei 7:7efcd3bf3302 144
amandaghassaei 9:1d9b24d7ac77 145 Serial *_pc;
amandaghassaei 9:1d9b24d7ac77 146
amandaghassaei 8:1a3a69fecedf 147 float _parameters[10];
amandaghassaei 10:769cc457c3a4 148 volatile float _z[4];//theta1, theta2, dtheta2, dtheta2
amandaghassaei 14:d620415259b1 149
amandaghassaei 8:1a3a69fecedf 150 void updateThetas(){
amandaghassaei 8:1a3a69fecedf 151 _z[0] = _getTheta1();
amandaghassaei 8:1a3a69fecedf 152 _z[2] = _getDTheta1();
amandaghassaei 8:1a3a69fecedf 153 _z[1] = _getTheta2();
amandaghassaei 8:1a3a69fecedf 154 _z[3] = _getDTheta2();
amandaghassaei 8:1a3a69fecedf 155
amandaghassaei 8:1a3a69fecedf 156 }
amandaghassaei 8:1a3a69fecedf 157 float _getTheta1(){
amandaghassaei 10:769cc457c3a4 158 return getActiveIMU()->getTheta();
amandaghassaei 8:1a3a69fecedf 159 }
amandaghassaei 8:1a3a69fecedf 160 float _getDTheta1(){
amandaghassaei 10:769cc457c3a4 161 return getActiveIMU()->getDTheta();
amandaghassaei 8:1a3a69fecedf 162 }
amandaghassaei 8:1a3a69fecedf 163 float _getTheta2(){
amandaghassaei 8:1a3a69fecedf 164 if (_inverted) return -motor.getTheta();
amandaghassaei 8:1a3a69fecedf 165 return motor.getTheta();
amandaghassaei 8:1a3a69fecedf 166 }
amandaghassaei 8:1a3a69fecedf 167 float _getDTheta2(){
amandaghassaei 8:1a3a69fecedf 168 if (_inverted) return -motor.getDTheta();
amandaghassaei 8:1a3a69fecedf 169 return motor.getDTheta();
amandaghassaei 8:1a3a69fecedf 170 }
amandaghassaei 8:1a3a69fecedf 171
amandaghassaei 8:1a3a69fecedf 172 bool _inverted;
amandaghassaei 7:7efcd3bf3302 173
amandaghassaei 7:7efcd3bf3302 174 };
amandaghassaei 7:7efcd3bf3302 175
amandaghassaei 7:7efcd3bf3302 176 #endif