Function rig_get_rptr_shift

src/rig.c:4505–4572

* \brief get the current repeater shift * \param rig The rig handle * \param vfo The target VFO * \param rptr_shift The location where to store the current repeater shift * * Retrieves the current repeater shift. * * \return RIG_OK if the operation has been successful, otherwise * a negative value if an error occurred (in which case, cause is * set appropriately). * * \sa rig_se

 * \sa rig_set_rptr_shift()
 */
int HAMLIB_API rig_get_rptr_shift(RIG *rig, vfo_t vfo, rptr_shift_t *rptr_shift)
{
    const struct rig_caps *caps;
    int retcode, rc2;
    vfo_t curr_vfo;

    if (CHECK_RIG_ARG(rig))
    {
        rig_debug(RIG_DEBUG_ERR, "%s: rig or rig->caps is null\n", __func__);
        return -RIG_EINVAL;
    }

    ELAPSED1;
    ENTERFUNC;

    if (!rptr_shift)
    {
        ELAPSED2;
        RETURNFUNC(-RIG_EINVAL);
    }

    caps = rig->caps;

    if (caps->get_rptr_shift == NULL)
    {
        ELAPSED2;
        RETURNFUNC(-RIG_ENAVAIL);
    }

    if (vfo == RIG_VFO_CURR
            || vfo == STATE(rig)->current_vfo)
    {
        HAMLIB_TRACE;
        retcode = caps->get_rptr_shift(rig, vfo, rptr_shift);
        ELAPSED2;
        RETURNFUNC(retcode);
    }

    if (!caps->set_vfo)
    {
        ELAPSED2;
        RETURNFUNC(-RIG_ENAVAIL);
    }

    curr_vfo = STATE(rig)->current_vfo;
    HAMLIB_TRACE;
    retcode = caps->set_vfo(rig, vfo);

    if (retcode != RIG_OK)
    {
        ELAPSED2;
        RETURNFUNC(retcode);
    }

    HAMLIB_TRACE;
    retcode =  caps->get_rptr_shift(rig, vfo, rptr_shift);
    /* try and revert even if we had an error above */
    rc2 = caps->set_vfo(rig, curr_vfo);