--- a/master/fsm_change.c Fri Dec 16 16:29:00 2011 +0100
+++ b/master/fsm_change.c Fri Dec 16 16:31:40 2011 +0100
@@ -49,8 +49,8 @@
void ec_fsm_change_state_start(ec_fsm_change_t *);
void ec_fsm_change_state_check(ec_fsm_change_t *);
void ec_fsm_change_state_status(ec_fsm_change_t *);
+void ec_fsm_change_state_start_code(ec_fsm_change_t *);
void ec_fsm_change_state_code(ec_fsm_change_t *);
-void ec_fsm_change_state_start_ack(ec_fsm_change_t *);
void ec_fsm_change_state_ack(ec_fsm_change_t *);
void ec_fsm_change_state_check_ack(ec_fsm_change_t *);
void ec_fsm_change_state_end(ec_fsm_change_t *);
@@ -111,7 +111,7 @@
fsm->mode = EC_FSM_CHANGE_MODE_ACK_ONLY;
fsm->slave = slave;
fsm->requested_state = EC_SLAVE_STATE_UNKNOWN;
- fsm->state = ec_fsm_change_state_start_ack;
+ fsm->state = ec_fsm_change_state_start_code;
}
/*****************************************************************************/
@@ -295,11 +295,8 @@
EC_SLAVE_ERR(slave, "Failed to set %s state, slave refused state"
" change (%s).\n", req_state, cur_state);
- // fetch AL status error code
- ec_datagram_fprd(datagram, slave->station_address, 0x0134, 2);
- ec_datagram_zero(datagram);
- fsm->retries = EC_FSM_RETRIES;
- fsm->state = ec_fsm_change_state_code;
+
+ ec_fsm_change_state_start_code(fsm);
return;
}
@@ -324,6 +321,24 @@
/*****************************************************************************/
+/** Enter reading AL status code.
+ */
+void ec_fsm_change_state_start_code(
+ ec_fsm_change_t *fsm /**< finite state machine */
+ )
+{
+ ec_slave_t *slave = fsm->slave;
+ ec_datagram_t *datagram = fsm->datagram;
+
+ // fetch AL status error code
+ ec_datagram_fprd(datagram, slave->station_address, 0x0134, 2);
+ ec_datagram_zero(datagram);
+ fsm->retries = EC_FSM_RETRIES;
+ fsm->state = ec_fsm_change_state_code;
+}
+
+/*****************************************************************************/
+
/**
Application layer status messages.
*/
@@ -424,23 +439,8 @@
}
// acknowledge "old" slave state
- ec_fsm_change_state_start_ack(fsm); // execute immediately
-}
-
-/*****************************************************************************/
-
-/**
- Change state: START ACK.
-*/
-
-void ec_fsm_change_state_start_ack(ec_fsm_change_t *fsm
- /**< finite state machine */)
-{
- ec_slave_t *slave = fsm->slave;
- ec_datagram_t *datagram = fsm->datagram;
-
- ec_datagram_fpwr(datagram, slave->station_address, 0x0120, 2);
- EC_WRITE_U16(datagram->data, slave->current_state);
+ ec_datagram_fpwr(datagram, fsm->slave->station_address, 0x0120, 2);
+ EC_WRITE_U16(datagram->data, fsm->slave->current_state);
fsm->retries = EC_FSM_RETRIES;
fsm->state = ec_fsm_change_state_ack;
}