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int HAMLIB_API rig_get_ext_level ( RIG rig,
vfo_t  vfo,
token_t  token,
value_t val 
)

get the value of a level extra parameter

Parameters:
rigThe rig handle
vfoThe target VFO
tokenThe parameter
valThe location where to store the value of token

Retrieves the value of a level extra parameter associated with token.

Returns:
RIG_OK if the operation has been sucessful, otherwise a negative value if an error occured (in which case, cause is set appropriately).
See also:
rig_set_ext_level()

Definition at line 536 of file settings.c.

References caps, rig_state::current_vfo, RIG_EINVAL, RIG_ENAVAIL, RIG_ENTARGET, RIG_OK, RIG_VFO_CURR, state, and rig_caps::targetable_vfo.

{
      const struct rig_caps *caps;
      int retcode;
      vfo_t curr_vfo;

      if (CHECK_RIG_ARG(rig) || !val)
            return -RIG_EINVAL;

      caps = rig->caps;

      if (caps->get_ext_level == NULL)
            return -RIG_ENAVAIL;

      if ((caps->targetable_vfo&RIG_TARGETABLE_PURE) ||
            vfo == RIG_VFO_CURR || vfo == rig->state.current_vfo)
            return caps->get_ext_level(rig, vfo, token, val);

      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_ext_level(rig, vfo, token, val);
      caps->set_vfo(rig, curr_vfo);
      return retcode;
}

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