Function par_ptt_get

src/parallel.c:680–714

* \brief Get state of Push to Talk from Parallel Port * \param p * \param pttx return value (must be non NULL) * \return RIG_OK or < 0 error */

 * \return RIG_OK or < 0 error
 */
int par_ptt_get(hamlib_port_t *p, ptt_t *pttx)
{
    rig_debug(RIG_DEBUG_VERBOSE, "%s called\n", __func__);

    switch (p->type.ptt)
    {
    case RIG_PTT_PARALLEL:
    {
        unsigned char ctl;
        int status;

        par_lock(p);
        status = par_read_control(p, &ctl);
        par_unlock(p);

        if (status == RIG_OK)
        {
            *pttx = (ctl & PARPORT_CONTROL_INIT) &&
                    !(ctl & PARPORT_CONTROL_STROBE) ?
                    RIG_PTT_ON : RIG_PTT_OFF;
        }

        return status;
    }

    default:
        rig_debug(RIG_DEBUG_ERR,
                  "%s: unsupported PTT type %d\n",
                  __func__,
                  p->type.ptt);
        return -RIG_ENAVAIL;
    }

    return RIG_OK;
}


/**