Code to let Gr20's BioRobotics2017 robot come to live.

Dependencies:   FastPWM MODSERIAL QEI mbed

ref.h

Committer:
megrootens
Date:
2017-11-12
Revision:
2:df0c6af898ac
Parent:
0:caa8ee3bd882
Child:
5:088917beb5e4

File content as of revision 2:df0c6af898ac:

/**
 * Reference signals
 * __note that currently no safety limits are implemented__
 * simply use the min/max x&y values as a check
 *
 * Implementation can be found in main.cpp
 */
namespace ref
{
// Sample time for reference signals
const double kSampleTime = 0.01;

/**
 * Allowed range of motion and linear speed
 */
const double kMinX = 0.280;  // [m]
const double kMaxX = 0.560;  // [m]

const double kMinY = -0.140; // [m]
const double kMaxY =  0.170; // [m]

const double kMaxSpeed = 0.05;                 // [m/s]
const double kMaxStep = kMaxSpeed*kSampleTime; // [m]

/**
 * Calibration motion;
 */
const double kCalibrationOmega = 20; // [deg/sec]
const double kCalibrationError = 1;  // [deg]
const double kCalibrationOmegaStep = kCalibrationOmega*kSampleTime; // [deg]


/**
 * Home angles
 */
const double kOriginTheta1 = robot::InverseKinematicsTheta(kMinX,kMinY,1);//[deg]
const double kOriginTheta2 = robot::InverseKinematicsTheta(kMinX,kMinY,2);

/**
 * Demo coordinates for linear movement between points
 */
int i_demo_coord = 0;
const int kNumDemoCoords = 9;
const double kDemoCoords[2][kNumDemoCoords]  {
    {kMinX, kMaxX, kMaxX, kMinX, kMinX, kMaxX, kMaxX, kMinX, kMinX},
    {kMinY, kMinY, kMaxY, kMaxY, kMinY, kMaxY, kMinY, kMaxY, kMaxY}
};

/**
 * Current reference signal; motor angles and (x,y) through forward kinematics
 */
double theta_1 = 0;
double theta_2 = 0;

double get_ref_x();
double get_ref_y();

void SetPositionAsReference();

/**
 * Reference signal generation functions
 */
void UpdateReference();

void CalibrationReference();
void HomingReference();
void DemoReference();
}