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/********************************************************************
* Description: XAkins.c
*   Trivial kinematics for 2 axis Cartesian machine, one Linear and 
*   one Angular that rotates on the first.
*
********************************************************************/

#include "motion.h"		/* these decls */


int kinematicsForward(const double *joints,
		      EmcPose * pos,
		      const KINEMATICS_FORWARD_FLAGS * fflags,
		      KINEMATICS_INVERSE_FLAGS * iflags)
{
    pos->tran.x = joints[0];
    pos->a = joints[1];

    return 0;
}

int kinematicsInverse(const EmcPose * pos,
		      double *joints,
		      const KINEMATICS_INVERSE_FLAGS * iflags,
		      KINEMATICS_FORWARD_FLAGS * fflags)
{
    joints[0] = pos->tran.x;
    joints[1] = pos->a;

    return 0;
}

/* implemented for these kinematics as giving joints preference */
int kinematicsHome(EmcPose * world,
		   double *joint,
		   KINEMATICS_FORWARD_FLAGS * fflags,
		   KINEMATICS_INVERSE_FLAGS * iflags)
{
    *fflags = 0;
    *iflags = 0;

    return kinematicsForward(joint, world, fflags, iflags);
}

KINEMATICS_TYPE kinematicsType()
{
    return KINEMATICS_IDENTITY;
}

#ifdef RTAPI
#include "rtapi.h"		/* RTAPI realtime OS API */
#include "rtapi_app.h"		/* RTAPI realtime module decls */
#include "hal.h"

EXPORT_SYMBOL(kinematicsType);
EXPORT_SYMBOL(kinematicsForward);
EXPORT_SYMBOL(kinematicsInverse);
MODULE_LICENSE("GPL");

int comp_id;
int rtapi_app_main(void) {
    comp_id = hal_init("XAkins");
    if(comp_id > 0) {
	hal_ready(comp_id);
	return 0;
    }
    return comp_id;
}

void rtapi_app_exit(void) { hal_exit(comp_id); }
#endif