master/globals.h
author Florian Pose <fp@igh-essen.com>
Tue, 11 Apr 2006 10:17:30 +0000
changeset 184 2fc86cec12df
parent 164 ed85368b2b2e
child 195 674071846ee3
permissions -rw-r--r--
Macro for SysFS attribute definition
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/******************************************************************************
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 *
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 *  g l o b a l s . h
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 *
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 *  Globale Definitionen und Makros für das EtherCAT-Protokoll.
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 *
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 *  $Id$
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 *
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 *****************************************************************************/
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#ifndef _EC_GLOBALS_
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#define _EC_GLOBALS_
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#include <linux/types.h>
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/*****************************************************************************/
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// EtherCAT-Protokoll
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#define EC_MAX_FRAME_SIZE 1500 /**< Maximale Größe eines EtherCAT-Frames ohne
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                                  Ethernet-II-Header und -Prüfsumme */
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#define EC_MIN_FRAME_SIZE 46 /** Minimale Größe, s. o. */
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#define EC_FRAME_HEADER_SIZE 2 /**< Größe des EtherCAT-Frame-Headers */
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#define EC_COMMAND_HEADER_SIZE 10 /**< Größe eines EtherCAT-Kommando-Headers */
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#define EC_COMMAND_FOOTER_SIZE 2 /**< Größe eines EtherCAT-Kommando-Footers */
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#define EC_SYNC_SIZE 8 /**< Größe einer Sync-Manager-Konfigurationsseite */
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#define EC_FMMU_SIZE 16 /**< Größe einer FMMU-Konfigurationsseite */
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#define EC_MAX_FMMUS 16 /**< Maximale Anzahl FMMUs pro Slave */
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#define EC_MAX_DATA_SIZE (EC_MAX_FRAME_SIZE \
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                          - EC_FRAME_HEADER_SIZE \
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                          - EC_COMMAND_HEADER_SIZE \
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                          - EC_COMMAND_FOOTER_SIZE) /**< Maximale Datengröße
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                                                       bei einem Kommando pro
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                                                       Frame */
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/*****************************************************************************/
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#define EC_INFO(fmt, args...) \
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    printk(KERN_INFO "EtherCAT: " fmt, ##args)
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#define EC_ERR(fmt, args...) \
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    printk(KERN_ERR "EtherCAT ERROR: " fmt, ##args)
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#define EC_WARN(fmt, args...) \
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    printk(KERN_WARNING "EtherCAT WARNING: " fmt, ##args)
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#define EC_DBG(fmt, args...) \
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    printk(KERN_DEBUG "EtherCAT DEBUG: " fmt, ##args)
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#define EC_LIT(X) #X
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#define EC_STR(X) EC_LIT(X)
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#define EC_SYSFS_READ_ATTR(NAME) \
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    static struct attribute attr_##NAME = { \
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        .name = EC_STR(NAME), .owner = THIS_MODULE, .mode = S_IRUGO \
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    }
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/*****************************************************************************/
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extern void ec_print_data(const uint8_t *, size_t);
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extern void ec_print_data_diff(const uint8_t *, const uint8_t *, size_t);
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/*****************************************************************************/
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/**
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   Code - Message Pair.
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   Some EtherCAT commands support reading a status code to display a certain
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   message. This type allows to map a code to a message string.
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*/
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typedef struct
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{
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    uint32_t code; /**< Code */
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    const char *message; /**< Message belonging to \a code */
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}
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ec_code_msg_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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*/