get the current XIT offset
Definition at line 2083 of file rig.c. References caps, rig_state::current_vfo, rig_caps::get_xit, RIG_EINVAL, RIG_ENAVAIL, RIG_ENTARGET, RIG_OK, RIG_VFO_CURR, rig_caps::set_vfo, state, and rig_caps::targetable_vfo. {
const struct rig_caps *caps;
int retcode;
vfo_t curr_vfo;
if (CHECK_RIG_ARG(rig) || !xit)
return -RIG_EINVAL;
caps = rig->caps;
if (caps->get_xit == NULL)
return -RIG_ENAVAIL;
if ((caps->targetable_vfo&RIG_TARGETABLE_PURE) ||
vfo == RIG_VFO_CURR || vfo == rig->state.current_vfo)
return caps->get_xit(rig, vfo, xit);
if (!caps->set_vfo)
return -RIG_ENTARGET;
curr_vfo = rig->state.current_vfo;
retcode = caps->set_vfo(rig, vfo);
if (retcode != RIG_OK)
return retcode;
retcode = caps->get_xit(rig, vfo, xit);
caps->set_vfo(rig, curr_vfo);
return retcode;
}
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