[SOLVED]strange soft limit area is possible??

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17 Oct 2016 08:09 - 15 Mar 2017 15:18 #81713 by bkt
Is possible in normal mill installation add an area (not single axis) as soft limit (see an example on mi bad picture)??

Or these is possible only with adding custom kins on mill kins??

Regards
Giorgio
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Last edit: 15 Mar 2017 15:18 by bkt.

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17 Oct 2016 22:38 #81748 by andypugh
Currently there is no way to have a non-cubic soft limit envelope.
It's a pity, it would be nice to be able to define a soft-limit mesh on quite a range of machines.

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19 Oct 2016 11:44 #81835 by bkt
ok I put it on my "to-do" bag ....

Regards
giorgio

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15 Mar 2017 15:18 #89672 by bkt
Sorry for the very late reply ... but today I had to face the problem again so I wrote this horrible solution ... but it works!


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

struct haldata {
    hal_float_t *e, *f, *re, *rf, *encval, *encdx, *encdy, *encdz, *xincr, *yincr, *zincr, *aincr, *bincr, *posarea, *secareax, *secareay;
    hal_bit_t *resenc, *isteleop, *ismanual, *ishomed, *jx, *jy, *jz, *ja, *jb, *secarea;
} *haldata = 0;

#define delta_e (*(haldata->e))
#define delta_f (*(haldata->f))
#define delta_re (*(haldata->re))
#define delta_rf (*(haldata->rf))
#define delta_encval (*(haldata->encval))
#define delta_encdx (*(haldata->encdx))
#define delta_encdy (*(haldata->encdy))
#define delta_encdz (*(haldata->encdz))
#define delta_xincr (*(haldata->xincr))
#define delta_yincr (*(haldata->yincr))
#define delta_zincr (*(haldata->zincr))
#define delta_aincr (*(haldata->aincr))
#define delta_bincr (*(haldata->bincr))

#define delta_resenc (*(haldata->resenc))
#define delta_isteleop (*(haldata->isteleop))
#define delta_ismanual (*(haldata->ismanual))
#define delta_ishomed (*(haldata->ishomed))
#define delta_jx (*(haldata->jx))
#define delta_jy (*(haldata->jy))
#define delta_jz (*(haldata->jz))
#define delta_ja (*(haldata->ja))
#define delta_jb (*(haldata->jb))

#define delta_secarea (*(haldata->secarea))
#define delta_posarea (*(haldata->posarea))
#define delta_secareax (*(haldata->secareax))
#define delta_secareay (*(haldata->secareay))

#else
double delta_e, delta_f, delta_re, delta_rf, delta_encval, delta_encdx, delta_encdy, delta_encdz, delta_secareax, delta_secareay, delta_posarea;
#endif

/********* other kins part ************/
int kinematicsInverse(const EmcPose *world,
		      double *joints,
		      const KINEMATICS_INVERSE_FLAGS *iflags,
		      KINEMATICS_FORWARD_FLAGS *fflags)

 {
    double x0, y0, z0, theta1, theta2, theta3;
    int status;
         x0 = world->tran.x;
         y0 = world->tran.y;
         z0 = world->tran.z;

	if((x0 > delta_secareax) && (y0 >  delta_secareay) && (delta_posarea == 1))
	{
		delta_secarea = 1;
	}
	else if ((x0 > delta_secareax) && (y0 <  delta_secareay) &&  (delta_posarea == 2))
	{
		delta_secarea = 1;
	}
	else if((x0 < delta_secareax) && (y0 <  delta_secareay) &&  (delta_posarea == 3))
	{
		delta_secarea = 1;
	}
	else if((x0 < delta_secareax) && (y0 >  delta_secareay) &&  (delta_posarea == 4))
	{
		delta_secarea = 1;
	}
	else
	{
		delta_secarea = 0;
	}

         joints[3] = world->a;
         joints[4] = world->b;
         joints[5] = world->c;
         joints[6] = world->u;
         joints[7] = world->v;
         joints[8] = world->w;

     theta1 = theta2 = theta3 = 0;

     status = delta_calcAngleYZ(x0, y0, z0, &theta1);
     if (status == 0) joints[0] = theta1;
     if (status == 0) status = delta_calcAngleYZ(x0*cos120 + y0*sin120,y0*cos120-x0*sin120, z0, &theta2); /*rotate coords to +120 deg*/
     if (status == 0) joints[1] = theta2;
     if (status == 0) status = delta_calcAngleYZ(x0*cos120 - y0*sin120,y0*cos120+x0*sin120, z0, &theta3); /*rotate coords to -120 deg*/
     if (status == 0) joints[2] = theta3;

     return status;
 }


 /* 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_BOTH;
    /* return KINEMATICS_INVERSE_ONLY;*/
}

#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) {
    int res = 0;

    comp_id = hal_init("delta_AAB_inv");
    if(comp_id < 0) return comp_id;

    haldata = hal_malloc(sizeof(struct haldata));
    if(!haldata) goto error;

    if((res = hal_pin_float_new("delta_AAB_inv.e", HAL_IO, &(haldata->e),comp_id)) != 0) goto error;
    if((res = hal_pin_float_new("delta_AAB_inv.f", HAL_IO, &(haldata->f),comp_id)) != 0) goto error;
    if((res = hal_pin_float_new("delta_AAB_inv.re", HAL_IO, &(haldata->re),comp_id)) != 0) goto error;
    if((res = hal_pin_float_new("delta_AAB_inv.rf", HAL_IO, &(haldata->rf),comp_id)) != 0) goto error;
    if((res = hal_pin_float_new("delta_AAB_inv.encval", HAL_IN, &(haldata->encval),comp_id)) != 0) goto error;
    if((res = hal_pin_float_new("delta_AAB_inv.encdx", HAL_OUT, &(haldata->encdx),comp_id)) != 0) goto error;
    if((res = hal_pin_float_new("delta_AAB_inv.encdy", HAL_OUT, &(haldata->encdy),comp_id)) != 0) goto error;
    if((res = hal_pin_float_new("delta_AAB_inv.encdz", HAL_OUT, &(haldata->encdz),comp_id)) != 0) goto error;
    if((res = hal_pin_float_new("delta_AAB_inv.xincr", HAL_OUT, &(haldata->xincr),comp_id)) != 0) goto error;
    if((res = hal_pin_float_new("delta_AAB_inv.yincr", HAL_OUT, &(haldata->yincr),comp_id)) != 0) goto error;
    if((res = hal_pin_float_new("delta_AAB_inv.zincr", HAL_OUT, &(haldata->zincr),comp_id)) != 0) goto error;
    if((res = hal_pin_float_new("delta_AAB_inv.aincr", HAL_OUT, &(haldata->aincr),comp_id)) != 0) goto error;
    if((res = hal_pin_float_new("delta_AAB_inv.bincr", HAL_OUT, &(haldata->bincr),comp_id)) != 0) goto error;

    if((res = hal_pin_bit_new("delta_AAB_inv.secarea", HAL_OUT, &(haldata->secarea),comp_id)) != 0) goto error;
    if((res = hal_pin_float_new("delta_AAB_inv.posarea", HAL_IN, &(haldata->posarea),comp_id)) != 0) goto error;
    if((res = hal_pin_float_new("delta_AAB_inv.secareax", HAL_IN, &(haldata->secareax),comp_id)) != 0) goto error;
    if((res = hal_pin_float_new("delta_AAB_inv.secareay", HAL_IN, &(haldata->secareay),comp_id)) != 0) goto error;   

    if((res = hal_pin_bit_new("delta_AAB_inv.isteleop", HAL_IN, &(haldata->isteleop),comp_id)) != 0) goto error;
    if((res = hal_pin_bit_new("delta_AAB_inv.ismanual", HAL_IN, &(haldata->ismanual),comp_id)) != 0) goto error;
    if((res = hal_pin_bit_new("delta_AAB_inv.ishomed", HAL_IN, &(haldata->ishomed),comp_id)) != 0) goto error;
    if((res = hal_pin_bit_new("delta_AAB_inv.jx", HAL_IN, &(haldata->jx),comp_id)) != 0) goto error;
    if((res = hal_pin_bit_new("delta_AAB_inv.jy", HAL_IN, &(haldata->jy),comp_id)) != 0) goto error;
    if((res = hal_pin_bit_new("delta_AAB_inv.jz", HAL_IN, &(haldata->jz),comp_id)) != 0) goto error;
    if((res = hal_pin_bit_new("delta_AAB_inv.ja", HAL_IN, &(haldata->ja),comp_id)) != 0) goto error;
    if((res = hal_pin_bit_new("delta_AAB_inv.jb", HAL_IN, &(haldata->jb),comp_id)) != 0) goto error;

    if((res = hal_pin_bit_new("delta_AAB_inv.resenc", HAL_OUT, &(haldata->resenc),comp_id)) != 0) goto error;


    delta_e = delta_f = delta_re = delta_rf = 1.0;

    hal_ready(comp_id);
    return 0;

error:
    hal_exit(comp_id);
    return res;
}

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

I hope these help
Giorgio

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