--- a/master/fsm_slave_config.c Wed Feb 06 15:58:00 2013 +0100
+++ b/master/fsm_slave_config.c Wed Feb 06 17:25:08 2013 +0100
@@ -67,7 +67,13 @@
void ec_fsm_slave_config_state_clear_sync(ec_fsm_slave_config_t *);
void ec_fsm_slave_config_state_dc_clear_assign(ec_fsm_slave_config_t *);
void ec_fsm_slave_config_state_mbox_sync(ec_fsm_slave_config_t *);
+#ifdef EC_SII_ASSIGN
+void ec_fsm_slave_config_state_assign_pdi(ec_fsm_slave_config_t *);
+#endif
void ec_fsm_slave_config_state_boot_preop(ec_fsm_slave_config_t *);
+#ifdef EC_SII_ASSIGN
+void ec_fsm_slave_config_state_assign_ethercat(ec_fsm_slave_config_t *);
+#endif
void ec_fsm_slave_config_state_sdo_conf(ec_fsm_slave_config_t *);
void ec_fsm_slave_config_state_soe_conf_preop(ec_fsm_slave_config_t *);
void ec_fsm_slave_config_state_watchdog_divider(ec_fsm_slave_config_t *);
@@ -87,6 +93,9 @@
void ec_fsm_slave_config_enter_clear_sync(ec_fsm_slave_config_t *);
void ec_fsm_slave_config_enter_dc_clear_assign(ec_fsm_slave_config_t *);
void ec_fsm_slave_config_enter_mbox_sync(ec_fsm_slave_config_t *);
+#ifdef EC_SII_ASSIGN
+void ec_fsm_slave_config_enter_assign_pdi(ec_fsm_slave_config_t *);
+#endif
void ec_fsm_slave_config_enter_boot_preop(ec_fsm_slave_config_t *);
void ec_fsm_slave_config_enter_sdo_conf(ec_fsm_slave_config_t *);
void ec_fsm_slave_config_enter_soe_conf_preop(ec_fsm_slave_config_t *);
@@ -432,7 +441,11 @@
// no mailbox protocols supported
EC_SLAVE_DBG(slave, 1, "Slave does not support"
" mailbox communication.\n");
+#ifdef EC_SII_ASSIGN
+ ec_fsm_slave_config_enter_assign_pdi(fsm);
+#else
ec_fsm_slave_config_enter_boot_preop(fsm);
+#endif
return;
}
@@ -595,8 +608,70 @@
return;
}
+#ifdef EC_SII_ASSIGN
+ ec_fsm_slave_config_enter_assign_pdi(fsm);
+#else
ec_fsm_slave_config_enter_boot_preop(fsm);
-}
+#endif
+}
+
+/*****************************************************************************/
+
+#ifdef EC_SII_ASSIGN
+
+/** Assign SII to PDI.
+ */
+void ec_fsm_slave_config_enter_assign_pdi(
+ ec_fsm_slave_config_t *fsm /**< slave state machine */
+ )
+{
+ ec_datagram_t *datagram = fsm->datagram;
+ ec_slave_t *slave = fsm->slave;
+
+ if (fsm->slave->requested_state != EC_SLAVE_STATE_BOOT) {
+ EC_SLAVE_DBG(slave, 1, "Assigning SII access to PDI.\n");
+
+ ec_datagram_fpwr(datagram, slave->station_address, 0x0500, 0x01);
+ EC_WRITE_U8(datagram->data, 0x01); // PDI
+ fsm->retries = EC_FSM_RETRIES;
+ fsm->state = ec_fsm_slave_config_state_assign_pdi;
+ }
+ else {
+ ec_fsm_slave_config_enter_boot_preop(fsm);
+ }
+}
+
+/*****************************************************************************/
+
+/** Slave configuration state: ASSIGN_PDI.
+ */
+void ec_fsm_slave_config_state_assign_pdi(
+ ec_fsm_slave_config_t *fsm /**< slave state machine */
+ )
+{
+ ec_datagram_t *datagram = fsm->datagram;
+ ec_slave_t *slave = fsm->slave;
+
+ if (datagram->state == EC_DATAGRAM_TIMED_OUT && fsm->retries--) {
+ return;
+ }
+
+ if (datagram->state != EC_DATAGRAM_RECEIVED) {
+ EC_SLAVE_WARN(slave, "Failed receive SII assignment datagram: ");
+ ec_datagram_print_state(datagram);
+ goto cont_preop;
+ }
+
+ if (datagram->working_counter != 1) {
+ EC_SLAVE_WARN(slave, "Failed to assign SII to PDI: ");
+ ec_datagram_print_wc_error(datagram);
+ }
+
+cont_preop:
+ ec_fsm_slave_config_enter_boot_preop(fsm);
+}
+
+#endif
/*****************************************************************************/
@@ -609,9 +684,11 @@
fsm->state = ec_fsm_slave_config_state_boot_preop;
if (fsm->slave->requested_state != EC_SLAVE_STATE_BOOT) {
- ec_fsm_change_start(fsm->fsm_change, fsm->slave, EC_SLAVE_STATE_PREOP);
+ ec_fsm_change_start(fsm->fsm_change,
+ fsm->slave, EC_SLAVE_STATE_PREOP);
} else { // BOOT
- ec_fsm_change_start(fsm->fsm_change, fsm->slave, EC_SLAVE_STATE_BOOT);
+ ec_fsm_change_start(fsm->fsm_change,
+ fsm->slave, EC_SLAVE_STATE_BOOT);
}
ec_fsm_change_exec(fsm->fsm_change); // execute immediately
@@ -627,7 +704,9 @@
{
ec_slave_t *slave = fsm->slave;
- if (ec_fsm_change_exec(fsm->fsm_change)) return;
+ if (ec_fsm_change_exec(fsm->fsm_change)) {
+ return;
+ }
if (!ec_fsm_change_success(fsm->fsm_change)) {
if (!fsm->fsm_change->spontaneous_change)
@@ -642,6 +721,14 @@
EC_SLAVE_DBG(slave, 1, "Now in %s.\n",
slave->requested_state != EC_SLAVE_STATE_BOOT ? "PREOP" : "BOOT");
+#ifdef EC_SII_ASSIGN
+ EC_SLAVE_DBG(slave, 1, "Assigning SII access back to EtherCAT.\n");
+
+ ec_datagram_fpwr(fsm->datagram, slave->station_address, 0x0500, 0x01);
+ EC_WRITE_U8(fsm->datagram->data, 0x00); // EtherCAT
+ fsm->retries = EC_FSM_RETRIES;
+ fsm->state = ec_fsm_slave_config_state_assign_ethercat;
+#else
if (slave->current_state == slave->requested_state) {
fsm->state = ec_fsm_slave_config_state_end; // successful
EC_SLAVE_DBG(slave, 1, "Finished configuration.\n");
@@ -649,7 +736,48 @@
}
ec_fsm_slave_config_enter_sdo_conf(fsm);
-}
+#endif
+}
+
+/*****************************************************************************/
+
+#ifdef EC_SII_ASSIGN
+
+/** Slave configuration state: ASSIGN_ETHERCAT.
+ */
+void ec_fsm_slave_config_state_assign_ethercat(
+ ec_fsm_slave_config_t *fsm /**< slave state machine */
+ )
+{
+ ec_datagram_t *datagram = fsm->datagram;
+ ec_slave_t *slave = fsm->slave;
+
+ if (datagram->state == EC_DATAGRAM_TIMED_OUT && fsm->retries--) {
+ return;
+ }
+
+ if (datagram->state != EC_DATAGRAM_RECEIVED) {
+ EC_SLAVE_WARN(slave, "Failed receive SII assignment datagram: ");
+ ec_datagram_print_state(datagram);
+ goto cont_sdo_conf;
+ }
+
+ if (datagram->working_counter != 1) {
+ EC_SLAVE_WARN(slave, "Failed to assign SII back to EtherCAT: ");
+ ec_datagram_print_wc_error(datagram);
+ }
+
+cont_sdo_conf:
+ if (slave->current_state == slave->requested_state) {
+ fsm->state = ec_fsm_slave_config_state_end; // successful
+ EC_SLAVE_DBG(slave, 1, "Finished configuration.\n");
+ return;
+ }
+
+ ec_fsm_slave_config_enter_sdo_conf(fsm);
+}
+
+#endif
/*****************************************************************************/