474 

   475 int ecrt_slave_config_idn(ec_slave_config_t *sc, uint16_t idn,

   476         const uint8_t *data, size_t size)

   477 {

   478     ec_ioctl_sc_idn_t io;

   479 

   480     io.config_index = sc->index;

   481     io.idn = idn;

   482     io.data = data;

   483     io.size = size;

   484 

   485     if (ioctl(sc->master->fd, EC_IOCTL_SC_IDN, &io) == -1) {

   486         fprintf(stderr, "Failed to configure IDN.\n");

   487         return -1; // FIXME

   488     }

   489 

   490     return 0;

   491 }

   492 

   493 /*****************************************************************************/