--- a/master/master.c Wed Jan 10 10:58:49 2007 +0000
+++ b/master/master.c Wed Jan 10 16:32:06 2007 +0000
@@ -183,8 +183,15 @@
list_add_tail(&eoe->list, &master->eoe_handlers);
}
+ // init state machine datagram
+ ec_datagram_init(&master->fsm_datagram);
+ if (ec_datagram_prealloc(&master->fsm_datagram, EC_MAX_DATA_SIZE)) {
+ EC_ERR("Failed to allocate FSM datagram.\n");
+ goto out_clear_eoe;
+ }
+
// create state machine object
- if (ec_fsm_init(&master->fsm, master)) goto out_clear_eoe;
+ ec_fsm_master_init(&master->fsm, master, &master->fsm_datagram);
// init kobject and add it to the hierarchy
memset(&master->kobj, 0x00, sizeof(struct kobject));
@@ -203,14 +210,14 @@
return 0;
- out_clear_eoe:
+out_clear_eoe:
list_for_each_entry_safe(eoe, next_eoe, &master->eoe_handlers, list) {
list_del(&eoe->list);
ec_eoe_clear(eoe);
kfree(eoe);
}
ec_xmldev_clear(&master->xmldev);
- out_return:
+out_return:
return -1;
}
@@ -252,7 +259,8 @@
list_del_init(&datagram->queue);
}
- ec_fsm_clear(&master->fsm);
+ ec_fsm_master_clear(&master->fsm);
+ ec_datagram_clear(&master->fsm_datagram);
ec_xmldev_clear(&master->xmldev);
// clear EoE objects
@@ -416,7 +424,6 @@
int ec_master_enter_operation_mode(ec_master_t *master /**< EtherCAT master */)
{
ec_slave_t *slave;
- ec_datagram_t *datagram = &master->fsm.datagram;
ec_master_eoe_stop(master); // stop EoE timer
master->eoe_checked = 1; // prevent from starting again by FSM
@@ -425,15 +432,15 @@
master->mode = EC_MASTER_MODE_OPERATION;
// wait for FSM datagram
- if (datagram->state == EC_DATAGRAM_SENT) {
- while (get_cycles() - datagram->cycles_sent
+ if (master->fsm_datagram.state == EC_DATAGRAM_SENT) {
+ while (get_cycles() - master->fsm_datagram.cycles_sent
< (cycles_t) EC_IO_TIMEOUT /* us */ * (cpu_khz / 1000)) {}
ecrt_master_receive(master);
}
// finish running master FSM
- if (ec_fsm_running(&master->fsm)) {
- while (ec_fsm_exec(&master->fsm)) {
+ if (ec_fsm_master_running(&master->fsm)) {
+ while (ec_fsm_master_exec(&master->fsm)) {
ec_master_sync_io(master);
}
}
@@ -477,42 +484,41 @@
/**< EtherCAT master */)
{
ec_slave_t *slave;
- ec_fsm_t *fsm = &master->fsm;
- ec_datagram_t *datagram = &master->fsm.datagram;
+ ec_fsm_master_t *fsm = &master->fsm;
+ ec_fsm_slave_t fsm_slave;
ec_master_eoe_stop(master); // stop EoE timer
master->eoe_checked = 1; // prevent from starting again by FSM
// wait for FSM datagram
- if (datagram->state == EC_DATAGRAM_SENT) {
+ if (master->fsm_datagram.state == EC_DATAGRAM_SENT) {
// active waiting
- while (get_cycles() - datagram->cycles_sent
+ while (get_cycles() - master->fsm_datagram.cycles_sent
< (cycles_t) EC_IO_TIMEOUT /* us */ * (cpu_khz / 1000));
ecrt_master_receive(master);
}
// finish running master FSM
- if (ec_fsm_running(fsm)) {
- while (ec_fsm_exec(fsm)) {
+ if (ec_fsm_master_running(fsm)) {
+ while (ec_fsm_master_exec(fsm)) {
ec_master_sync_io(master);
}
}
+ ec_fsm_slave_init(&fsm_slave, &master->fsm_datagram);
+
// set states for all slaves
list_for_each_entry(slave, &master->slaves, list) {
ec_slave_reset(slave);
ec_slave_request_state(slave, EC_SLAVE_STATE_PREOP);
- fsm->slave = slave;
- fsm->slave_state = ec_fsm_slaveconf_state_start;
-
- do {
- fsm->slave_state(fsm);
+ ec_fsm_slave_start_conf(&fsm_slave, slave);
+ while (ec_fsm_slave_exec(&fsm_slave)) {
ec_master_sync_io(master);
}
- while (fsm->slave_state != ec_fsm_slave_state_end
- && fsm->slave_state != ec_fsm_slave_state_error);
- }
+ }
+
+ ec_fsm_slave_clear(&fsm_slave);
ec_master_destroy_domains(master);
@@ -816,7 +822,7 @@
spin_unlock_bh(&master->internal_lock);
// execute master state machine
- ec_fsm_exec(&master->fsm);
+ ec_fsm_master_exec(&master->fsm);
// send
spin_lock_bh(&master->internal_lock);
@@ -1402,7 +1408,7 @@
{
uint32_t domain_offset;
ec_domain_t *domain;
- ec_fsm_t *fsm = &master->fsm;
+ ec_fsm_slave_t fsm_slave;
ec_slave_t *slave;
// allocate all domains
@@ -1415,24 +1421,23 @@
domain_offset += domain->data_size;
}
+ ec_fsm_slave_init(&fsm_slave, &master->fsm_datagram);
+
// configure all slaves
list_for_each_entry(slave, &master->slaves, list) {
- fsm->slave = slave;
- fsm->slave_state = ec_fsm_slaveconf_state_start;
-
- do {
- fsm->slave_state(fsm);
+ ec_fsm_slave_start_conf(&fsm_slave, slave);
+ while (ec_fsm_slave_exec(&fsm_slave)) {
ec_master_sync_io(master);
}
- while (fsm->slave_state != ec_fsm_slave_state_end
- && fsm->slave_state != ec_fsm_slave_state_error);
-
- if (fsm->slave_state == ec_fsm_slave_state_error) {
+
+ if (!ec_fsm_slave_success(&fsm_slave)) {
+ ec_fsm_slave_clear(&fsm_slave);
EC_ERR("Failed to configure slave %i!\n", slave->ring_position);
return -1;
}
}
+ ec_fsm_slave_clear(&fsm_slave);
ec_master_prepare(master); // prepare asynchronous IO
return 0;
@@ -1537,7 +1542,7 @@
ec_master_output_stats(master);
// execute master state machine in a loop
- ec_fsm_exec(&master->fsm);
+ ec_fsm_master_exec(&master->fsm);
}
/*****************************************************************************/