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Allow Hamlib rig_get_ptt call to fail if function unavailable.

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The Hamlib backe end capabilities table  is not reliable when the back
end is the  Hamlib Net one. This  is because that back  end claims all
functions available but a call may fail on execution due to the actual
remote back end target not supporting it.

git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@4234 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
This commit is contained in:
Bill Somerville 2014-08-30 19:28:55 +00:00
parent 05b7c4680b
commit 124c0ac70c
1 changed files with 8 additions and 3 deletions
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11
HamlibTransceiver.cpp
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@ -709,13 +709,18 @@ void HamlibTransceiver::poll ()
if (RIG_PTT_NONE != rig_->state.pttport.type.ptt && rig_->caps->get_ptt)
{
ptt_t p;
error_check (rig_get_ptt (rig_.data (), RIG_VFO_CURR, &p), tr ("getting PTT state"));
auto rc = rig_get_ptt (rig_.data (), RIG_VFO_CURR, &p);
if (RIG_ENAVAIL != rc) // may fail if Net rig ctl and target
// doesn't support command
{
error_check (rc, tr ("getting PTT state"));
#if WSJT_TRACE_CAT && WSJT_TRACE_CAT_POLLS
qDebug () << "HamlibTransceiver::state rig_get_ptt =" << p;
qDebug () << "HamlibTransceiver::state rig_get_ptt =" << p;
#endif
update_PTT (!(RIG_PTT_OFF == p));
update_PTT (!(RIG_PTT_OFF == p));
}
}
#if !WSJT_TRACE_CAT_POLLS