Function par_write_data

src/parallel.c:234–271

* \brief Send data on Parallel port * \param port * \param data */

 * \param data
 */
int HAMLIB_API par_write_data(hamlib_port_t *port, unsigned char data)
{
#ifdef HAVE_LINUX_PPDEV_H
    int status;
    rig_debug(RIG_DEBUG_VERBOSE, "%s called\n", __func__);

    status = ioctl(port->fd, PPWDATA, &data);
    return status == 0 ? RIG_OK : -RIG_EIO;
#elif defined(HAVE_DEV_PPBUS_PPI_H)
    int status;
    rig_debug(RIG_DEBUG_VERBOSE, "%s called\n", __func__);

    status = ioctl(port->fd, PPISDATA, &data);
    return status == 0 ? RIG_OK : -RIG_EIO;
#elif defined(__WIN64__) || defined(__WIN32__)
    unsigned int dummy = 0;

    intptr_t handle;
    rig_debug(RIG_DEBUG_VERBOSE, "%s called\n", __func__);


    handle = _get_osfhandle(port->fd);

    if (handle != (intptr_t)INVALID_HANDLE_VALUE)
    {
        if (!(DeviceIoControl((HANDLE)handle, NT_IOCTL_DATA, &data, sizeof(data),
                              NULL, 0, (LPDWORD)&dummy, NULL)))
        {
            rig_debug(RIG_DEBUG_ERR, "%s: DeviceIoControl failed!\n", __func__);
            return -RIG_EIO;
        }
    }

    return RIG_OK;
#else
    return -RIG_ENIMPL;
#endif
}


/**