Function rot_get_position

src/rotator.c:823–864

* \brief Query the azimuth and elevation of the rotator. * * \param rot The #ROT handle. * \param azimuth The variable to store the current azimuth. * \param elevation The variable to store the current elevation * * Retrieves the current azimuth and elevation values of the rotator. The * stored values are in decimal degrees. * * \b Note: A given rotator may be capable of querying only th

 * \sa rot_set_position()
 */
int HAMLIB_API rot_get_position(ROT *rot,
                                azimuth_t *azimuth,
                                elevation_t *elevation)
{
    const struct rot_caps *caps;
    const struct rot_state *rs;
    azimuth_t az;
    elevation_t el;
    int retval;

    rot_debug(RIG_DEBUG_VERBOSE, "%s called\n", __func__);

    if (CHECK_ROT_ARG(rot) || !azimuth || !elevation)
    {
        return -RIG_EINVAL;
    }

    caps = rot->caps;
    rs = ROTSTATE(rot);

    if (caps->get_position == NULL)
    {
        return -RIG_ENAVAIL;
    }

    retval = caps->get_position(rot, &az, &el);

    if (retval != RIG_OK) { return retval; }

    rot_debug(RIG_DEBUG_VERBOSE, "%s: got az=%.2f, el=%.2f\n", __func__, az, el);

    if (rs->south_zero)
    {
        az += az >= 180 ? -180 : 180;
        rot_debug(RIG_DEBUG_VERBOSE, "%s: south adj to az=%.2f\n", __func__, az);
    }

    *azimuth = az - rs->az_offset;
    *elevation = el - rs->el_offset;

    return RIG_OK;
}


/**