77 lines
2.6 KiB
C
77 lines
2.6 KiB
C
/******************************************************************************
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*
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* g l o b a l s . h
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*
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* Global definitions and macros.
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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 /**< maximum size of an EtherCAT frame (without
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header and CRC) */
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#define EC_MIN_FRAME_SIZE 46 /** ... minimum size */
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#define EC_FRAME_HEADER_SIZE 2 /**< size of an EtherCAT frame header */
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#define EC_COMMAND_HEADER_SIZE 10 /**< size of an EtherCAT command header */
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#define EC_COMMAND_FOOTER_SIZE 2 /**< size of an EtherCAT command footer */
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#define EC_SYNC_SIZE 8 /**< size of a sync manager configuration page */
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#define EC_FMMU_SIZE 16 /**< size of an FMMU configuration page */
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#define EC_MAX_FMMUS 16 /**< maximum number of FMMUs per 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) /**< maximum data size of a
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single command */
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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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