ec_domain Struct Reference

EtherCAT domain. More...

Data Fields
struct list_head	list
	List item.
ec_master_t *	master
	EtherCAT master owning the domain.
unsigned int	index
	Index (just a number).
struct list_head	fmmu_configs
	FMMU configurations contained.
size_t	data_size
	Size of the process data.
uint8_t *	data
	Memory for the process data.
ec_origin_t	data_origin
	Origin of the data memory.
uint32_t	logical_base_address
	Logical offset address of the process data.
struct list_head	datagram_pairs
	Datagrams pairs (main/backup) for process data exchange.
uint16_t	working_counter [EC_MAX_NUM_DEVICES]
	Last working counter values.
uint16_t	expected_working_counter
	Expected working counter.
unsigned int	working_counter_changes
	Working counter changes since last notification.
unsigned int	redundancy_active
	Non-zero, if redundancy is in use.
unsigned long	notify_jiffies
	Time of last notification.

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Detailed Description

EtherCAT domain.

Handles the process data and the therefore needed datagrams of a certain group of slaves.

Definition at line 54 of file domain.h.

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Field Documentation

struct list_head ec_domain::list [read]

List item.

Definition at line 56 of file domain.h.

ec_master_t* ec_domain::master

EtherCAT master owning the domain.

Definition at line 57 of file domain.h.

unsigned int ec_domain::index

Index (just a number).

Definition at line 58 of file domain.h.

struct list_head ec_domain::fmmu_configs [read]

FMMU configurations contained.

Definition at line 60 of file domain.h.

size_t ec_domain::data_size

Size of the process data.

Definition at line 61 of file domain.h.

uint8_t* ec_domain::data

Memory for the process data.

Definition at line 62 of file domain.h.

ec_origin_t ec_domain::data_origin

Origin of the data memory.

Definition at line 63 of file domain.h.

uint32_t ec_domain::logical_base_address

Logical offset address of the process data.

Definition at line 64 of file domain.h.

struct list_head ec_domain::datagram_pairs [read]

Datagrams pairs (main/backup) for process data exchange.

Definition at line 66 of file domain.h.

uint16_t ec_domain::working_counter[EC_MAX_NUM_DEVICES]

Last working counter values.

Definition at line 68 of file domain.h.

uint16_t ec_domain::expected_working_counter

Expected working counter.

Definition at line 70 of file domain.h.

unsigned int ec_domain::working_counter_changes

Working counter changes since last notification.

Definition at line 71 of file domain.h.

unsigned int ec_domain::redundancy_active

Non-zero, if redundancy is in use.

Definition at line 73 of file domain.h.

unsigned long ec_domain::notify_jiffies

Time of last notification.

Definition at line 74 of file domain.h.