246 

   246 

   247 /**

   247 /**

   248    SII state: READ FETCH.

   248    SII state: READ FETCH.

   249    Fetches the result of an SII-read datagram.

   249    Fetches the result of an SII-read datagram.

   250 */

   250 */

   252 void ec_fsm_sii_state_read_fetch(

   251 void ec_fsm_sii_state_read_fetch(

   253         ec_fsm_sii_t *fsm /**< finite state machine */

   252         ec_fsm_sii_t *fsm /**< finite state machine */

   254         )

   253         )

   255 {

   254 {

   256     ec_datagram_t *datagram = fsm->datagram;

   255     ec_datagram_t *datagram = fsm->datagram;

   300                 return;

   299                 return;

   301             }

   300             }

   302         }

   301         }

   303 

   302 

   304         // issue check/fetch datagram again

   303         // issue check/fetch datagram again

   305         fsm->retries = EC_FSM_RETRIES;

   305         fsm->retries = EC_FSM_RETRIES;

   306         return;

   306         return;

   307     }

   307     }

   308 

   308 

   309     // SII value received.

   309     // SII value received.

   433 #ifdef SII_DEBUG

   433 #ifdef SII_DEBUG

   434         EC_DBG("too early.\n");

   434         EC_DBG("too early.\n");

   435 #endif

   435 #endif

   436         // issue check datagram again

   436         // issue check datagram again

   437         fsm->retries = EC_FSM_RETRIES;

   437         fsm->retries = EC_FSM_RETRIES;

   438         return;

   439         return;

   439     }

   440     }

   440 

   441 

   441     if (EC_READ_U8(datagram->data + 1) & 0x82) { /* busy bit or

   442     if (EC_READ_U8(datagram->data + 1) & 0x82) { /* busy bit or

   442                                                     write operation busy bit */

   443                                                     write operation busy bit */

   451             }

   452             }

   452         }

   453         }

   453 

   454 

   454         // issue check datagram again

   455         // issue check datagram again

   455         fsm->retries = EC_FSM_RETRIES;

   456         fsm->retries = EC_FSM_RETRIES;

   456         return;

   458         return;

   457     }

   459     }

   458 

   460 

   459     if (EC_READ_U8(datagram->data + 1) & 0x40) {

   461     if (EC_READ_U8(datagram->data + 1) & 0x40) {

   460         EC_ERR("SII: Write operation failed!\n");

   462         EC_ERR("SII: Write operation failed!\n");