ec_slave Struct Reference

EtherCAT slave. More...

Data Fields
ec_master_t *	master
	Master owning the slave.
ec_device_index_t	device_index
	Index of device the slave responds on.
uint16_t	ring_position
	Ring position.
uint16_t	station_address
	Configured station address.
uint16_t	effective_alias
	Effective alias address.
ec_slave_port_t	ports [EC_MAX_PORTS]
	Ports.
ec_slave_config_t *	config
	Current configuration.
ec_slave_state_t	requested_state
	Requested application state.
ec_slave_state_t	current_state
	Current application state.
unsigned int	error_flag
	Stop processing after an error.
unsigned int	force_config
	Force (re-)configuration.
uint16_t	configured_rx_mailbox_offset
	Configured receive mailbox offset.
uint16_t	configured_rx_mailbox_size
	Configured receive mailbox size.
uint16_t	configured_tx_mailbox_offset
	Configured send mailbox offset.
uint16_t	configured_tx_mailbox_size
	Configured send mailbox size.
uint8_t	base_type
	Slave type.
uint8_t	base_revision
	Revision.
uint16_t	base_build
	Build number.
uint8_t	base_fmmu_count
	Number of supported FMMUs.
uint8_t	base_sync_count
	Number of supported sync managers.
uint8_t	base_fmmu_bit_operation
	FMMU bit operation is supported.
uint8_t	base_dc_supported
	Distributed clocks are supported.
ec_slave_dc_range_t	base_dc_range
	DC range.
uint8_t	has_dc_system_time
	The slave supports the DC system time register.
uint32_t	transmission_delay
	DC system time transmission delay (offset from reference clock).
uint16_t *	sii_words
	Complete SII image.
size_t	sii_nwords
	Size of the SII contents in words.
ec_sii_t	sii
	Extracted SII data.
struct list_head	sdo_dictionary
	SDO dictionary list.
uint8_t	sdo_dictionary_fetched
	Dictionary has been fetched.
unsigned long	jiffies_preop
	Time, the slave went to PREOP.
struct list_head	sdo_requests
	SDO access requests.
struct list_head	reg_requests
	Register access requests.
struct list_head	foe_requests
	FoE write requests.
struct list_head	soe_requests
	SoE write requests.
ec_fsm_slave_t	fsm
	Slave state machine.

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Detailed Description

EtherCAT slave.

Definition at line 176 of file slave.h.

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Field Documentation

ec_master_t* ec_slave::master

Master owning the slave.

Definition at line 178 of file slave.h.

ec_device_index_t ec_slave::device_index

Index of device the slave responds on.

Definition at line 179 of file slave.h.

uint16_t ec_slave::ring_position

Ring position.

Definition at line 183 of file slave.h.

uint16_t ec_slave::station_address

Configured station address.

Definition at line 184 of file slave.h.

uint16_t ec_slave::effective_alias

Effective alias address.

Definition at line 185 of file slave.h.

ec_slave_port_t ec_slave::ports[EC_MAX_PORTS]

Ports.

Definition at line 187 of file slave.h.

ec_slave_config_t* ec_slave::config

Current configuration.

Definition at line 190 of file slave.h.

ec_slave_state_t ec_slave::requested_state

Requested application state.

Definition at line 191 of file slave.h.

ec_slave_state_t ec_slave::current_state

Current application state.

Definition at line 192 of file slave.h.

unsigned int ec_slave::error_flag

Stop processing after an error.

Definition at line 193 of file slave.h.

unsigned int ec_slave::force_config

Force (re-)configuration.

Definition at line 194 of file slave.h.

uint16_t ec_slave::configured_rx_mailbox_offset

Configured receive mailbox offset.

Definition at line 195 of file slave.h.

uint16_t ec_slave::configured_tx_mailbox_offset

Configured send mailbox offset.

Definition at line 199 of file slave.h.

uint16_t ec_slave::configured_tx_mailbox_size

Configured send mailbox size.

Definition at line 201 of file slave.h.

uint8_t ec_slave::base_type

Slave type.

Definition at line 204 of file slave.h.

uint8_t ec_slave::base_revision

Revision.

Definition at line 205 of file slave.h.

uint16_t ec_slave::base_build

Build number.

Definition at line 206 of file slave.h.

uint8_t ec_slave::base_fmmu_count

Number of supported FMMUs.

Definition at line 207 of file slave.h.

uint8_t ec_slave::base_sync_count

Number of supported sync managers.

Definition at line 208 of file slave.h.

uint8_t ec_slave::base_fmmu_bit_operation

FMMU bit operation is supported.

Definition at line 209 of file slave.h.

uint8_t ec_slave::base_dc_supported

Distributed clocks are supported.

Definition at line 210 of file slave.h.

ec_slave_dc_range_t ec_slave::base_dc_range

DC range.

Definition at line 211 of file slave.h.

uint8_t ec_slave::has_dc_system_time

The slave supports the DC system time register.

Otherwise it can only be used for delay measurement.

Definition at line 212 of file slave.h.

uint32_t ec_slave::transmission_delay

DC system time transmission delay (offset from reference clock).

Definition at line 215 of file slave.h.

uint16_t* ec_slave::sii_words

Complete SII image.

Definition at line 219 of file slave.h.

size_t ec_slave::sii_nwords

Size of the SII contents in words.

Definition at line 220 of file slave.h.

ec_sii_t ec_slave::sii

Extracted SII data.

Definition at line 223 of file slave.h.

uint8_t ec_slave::sdo_dictionary_fetched

Dictionary has been fetched.

Definition at line 226 of file slave.h.

unsigned long ec_slave::jiffies_preop

Time, the slave went to PREOP.

Definition at line 227 of file slave.h.

struct list_head ec_slave::sdo_requests [read]

SDO access requests.

Definition at line 229 of file slave.h.

struct list_head ec_slave::reg_requests [read]

Register access requests.

Definition at line 230 of file slave.h.

struct list_head ec_slave::foe_requests [read]

FoE write requests.

Definition at line 231 of file slave.h.

struct list_head ec_slave::soe_requests [read]

SoE write requests.

Definition at line 232 of file slave.h.

ec_fsm_slave_t ec_slave::fsm

Slave state machine.

Definition at line 234 of file slave.h.