374     switch (state) {

   374     string ret;

   375         case 1: return "INIT";

   375 

   376         case 2: return "PREOP";

   376     switch (state & EC_SLAVE_STATE_MASK) {

   377         case 3: return "BOOT";

   377         case 1: ret = "INIT"; break;

   378         case 4: return "SAFEOP";

   378         case 2: ret = "PREOP"; break;

   379         case 8: return "OP";

   379         case 3: ret = "BOOT"; break;

   380         default: return "???";

   380         case 4: ret = "SAFEOP"; break;

   381     }

   381         case 8: ret = "OP"; break;

   382 }

   382         default: ret = "???";

   383 

   383     }

   384 /****************************************************************************/

   384 

   385     if (state & EC_SLAVE_STATE_ACK_ERR) { 

   386         ret += "+ERROR";

   387     }

   388 

   389     return ret;

   390 }

   391 

   392 /****************************************************************************/