drivers/ec_types.h
author Florian Pose <fp@igh-essen.com>
Fri, 25 Nov 2005 16:43:46 +0000
branchkernel2.6
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parent 0 05c992bf5847
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permissions -rw-r--r--
EXPORT_SYMBOLS im EtherCAT-Treiber.
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/****************************************************************
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 *
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 *  e c _ t y p e s . h
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 *
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 *  EtherCAT-Slave-Typen.
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 *
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 *  $Date: 2005-09-07 17:50:50 +0200 (Mit, 07 Sep 2005) $
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 *  $Author: fp $
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 *
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 ***************************************************************/
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39364fbcd069 EXPORT_SYMBOLS im EtherCAT-Treiber.
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#include <linux/module.h>
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#ifndef _EC_TYPES_H_
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#define _EC_TYPES_H_
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/**
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   Typ eines EtherCAT-Slaves.
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   Dieser Typ muss für die Konfiguration bekannt sein. Der
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   Master entscheidet danach, ober bspw. Mailboxes konfigurieren,
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   oder Sync-Manager setzen soll.
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*/
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typedef enum
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{
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  ECAT_ST_SIMPLE, ECAT_ST_MAILBOX, ECAT_ST_SIMPLE_NOSYNC
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}
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EtherCAT_slave_type_t;
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/***************************************************************/
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/**
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   Beschreibung eines EtherCAT-Slave-Typs.
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   Diese Beschreibung dient zur Konfiguration einer bestimmten
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   Slave-Art. Sie enthält die Konfigurationsdaten für die
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   Slave-internen Sync-Manager und FMMU's.
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*/
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typedef struct slave_desc
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{
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  const char *vendor_name; /**< Name des Herstellers */
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  const char *product_name; /**< Name des Slaves-Typs */
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  const char *product_desc; /**< Genauere Beschreibung des Slave-Typs */
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  const EtherCAT_slave_type_t type; /**< Art des Slave-Typs */
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  const unsigned char *sm0; /**< Konfigurationsdaten des
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                               ersten Sync-Managers */
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  const unsigned char *sm1; /**< Konfigurationsdaten des
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                               zweiten Sync-Managers */
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  const unsigned char *sm2; /**< Konfigurationsdaten des
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                               dritten Sync-Managers */
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  const unsigned char *sm3; /**< Konfigurationsdaten des
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                               vierten Sync-Managers */
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  const unsigned char *fmmu0; /**< Konfigurationsdaten
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                                 der ersten FMMU */
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  const unsigned int data_length; /**< Länge der Prozessdaten in Bytes */
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  const unsigned int channels; /**< Anzahl der Kanäle */
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  int (*read) (unsigned char *, unsigned int); /**< Funktion zum Dekodieren
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                                                  und Lesen der Kanaldaten */
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  void (*write) (unsigned char *, unsigned int, int); /**< Funktion zum Kodieren
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                                                         und Schreiben der
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                                                         Kanaldaten */
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}
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EtherCAT_slave_desc_t;
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/***************************************************************/
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/**
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   Identifikation eines Slave-Typs.
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   Diese Struktur wird zur 1:n-Zuordnung von Hersteller- und
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   Produktcodes zu den einzelnen Slave-Typen verwendet.
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*/
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struct slave_ident
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{
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  const unsigned int vendor_id; /**< Hersteller-Code */
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  const unsigned int product_code; /**< Herstellerspezifischer Produktcode */
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  const EtherCAT_slave_desc_t *desc; /**< Zeiger auf den dazugehörigen
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                                        Slave-Typ */
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};
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extern struct slave_ident slave_idents[]; /**< Statisches Array der
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                                             Slave-Identifikationen */
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extern unsigned int slave_idents_count; /**< Anzahl der bekannten Slave-
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                                           Identifikationen */
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/***************************************************************/
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extern EtherCAT_slave_desc_t Beckhoff_EK1100[];
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extern EtherCAT_slave_desc_t Beckhoff_EL1014[];
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extern EtherCAT_slave_desc_t Beckhoff_EL2004[];
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extern EtherCAT_slave_desc_t Beckhoff_EL3102[];
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extern EtherCAT_slave_desc_t Beckhoff_EL3162[];
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extern EtherCAT_slave_desc_t Beckhoff_EL4102[];
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extern EtherCAT_slave_desc_t Beckhoff_EL5001[];
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/***************************************************************/
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#endif