author | Florian Pose <fp@igh-essen.com> |
Wed, 12 Apr 2006 12:04:27 +0000 | |
changeset 192 | 8d7bd5082ed5 |
parent 191 | ca805255a935 |
child 195 | 674071846ee3 |
permissions | -rw-r--r-- |
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/****************************************************************************** |
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* |
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* m a s t e r . h |
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* Struktur für einen EtherCAT-Master. |
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* |
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* $Id$ |
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* |
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*****************************************************************************/ |
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#ifndef _EC_MASTER_H_ |
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#define _EC_MASTER_H_ |
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#include <linux/list.h> |
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#include <linux/sysfs.h> |
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#include <linux/timer.h> |
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#include "device.h" |
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#include "domain.h" |
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/*****************************************************************************/ |
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/** |
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EtherCAT master mode. |
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typedef enum |
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{ |
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EC_MASTER_MODE_IDLE, |
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EC_MASTER_MODE_FREERUN, |
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EC_MASTER_MODE_RUNNING |
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} |
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ec_master_mode_t; |
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/*****************************************************************************/ |
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/** |
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EtherCAT-Rahmen-Statistiken. |
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*/ |
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typedef struct |
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{ |
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unsigned int timeouts; /**< Kommando-Timeouts */ |
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unsigned int delayed; /**< Verzögerte Kommandos */ |
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unsigned int corrupted; /**< Verfälschte Rahmen */ |
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unsigned int unmatched; /**< Unpassende Kommandos */ |
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unsigned int eoe_errors; /**< Ethernet-over-EtherCAT Fehler */ |
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cycles_t t_last; /**< Timestamp-Counter bei der letzten Ausgabe */ |
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} |
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ec_stats_t; |
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/*****************************************************************************/ |
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/** |
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EtherCAT-Master |
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Verwaltet die EtherCAT-Slaves und kommuniziert mit |
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dem zugewiesenen EtherCAT-Gerät. |
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*/ |
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struct ec_master |
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{ |
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struct list_head list; /**< Noetig fuer Master-Liste */ |
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struct kobject kobj; /**< Kernel-Object */ |
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unsigned int index; /**< Master-Index */ |
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struct list_head slaves; /**< Liste der Slaves auf dem Bus */ |
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unsigned int slave_count; /**< Anzahl Slaves auf dem Bus */ |
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ec_device_t *device; /**< EtherCAT-Gerät */ |
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struct list_head command_queue; /**< Kommando-Warteschlange */ |
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uint8_t command_index; /**< Aktueller Kommando-Index */ |
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struct list_head domains; /**< Liste der Prozessdatendomänen */ |
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ec_command_t simple_command; /**< Kommando für Initialisierungsphase */ |
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ec_command_t watch_command; /**< Kommando zum Überwachen der Slaves */ |
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unsigned int slaves_responding; /**< Anzahl antwortender Slaves */ |
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ec_slave_state_t slave_states; /**< Zustände der antwortenden Slaves */ |
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int debug_level; /**< Debug-Level im Master-Code */ |
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ec_stats_t stats; /**< Rahmen-Statistiken */ |
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unsigned int timeout; /**< Timeout für synchronen Datenaustausch */ |
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struct list_head eoe_slaves; /**< Ethernet over EtherCAT Slaves */ |
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unsigned int reserved; /**< Master durch Echtzeitprozess reserviert */ |
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struct timer_list freerun_timer; /**< Timer fuer Free-Run-Modus. */ |
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ec_master_mode_t mode; /**< Modus des Masters */ |
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}; |
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/*****************************************************************************/ |
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// Master creation and deletion |
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int ec_master_init(ec_master_t *, unsigned int); |
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void ec_master_clear(struct kobject *); |
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void ec_master_reset(ec_master_t *); |
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// Free-Run |
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void ec_master_freerun_start(ec_master_t *); |
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void ec_master_freerun_stop(ec_master_t *); |
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// IO |
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void ec_master_receive(ec_master_t *, const uint8_t *, size_t); |
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void ec_master_queue_command(ec_master_t *, ec_command_t *); |
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int ec_master_simple_io(ec_master_t *, ec_command_t *); |
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// Slave management |
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int ec_master_bus_scan(ec_master_t *); |
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// Misc |
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void ec_master_debug(const ec_master_t *); |
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void ec_master_output_stats(ec_master_t *); |
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void ec_master_run_eoe(ec_master_t *); |
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/*****************************************************************************/ |
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#endif |
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/* Emacs-Konfiguration |
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;;; Local Variables: *** |
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;;; c-basic-offset:4 *** |
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;;; End: *** |
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*/ |