fsm_pdo_entry.c File Reference

EtherCAT PDO mapping state machine. More...

Go to the source code of this file.

Functions
void	ec_fsm_pdo_entry_read_state_start (ec_fsm_pdo_entry_t *fsm, ec_datagram_t *datagram)
	Request reading the number of mapped PDO entries. More...
void	ec_fsm_pdo_entry_read_state_count (ec_fsm_pdo_entry_t *fsm, ec_datagram_t *datagram)
	Read number of mapped PDO entries. More...
void	ec_fsm_pdo_entry_read_state_entry (ec_fsm_pdo_entry_t *fsm, ec_datagram_t *datagram)
	Read PDO entry information. More...
void	ec_fsm_pdo_entry_read_action_next (ec_fsm_pdo_entry_t *fsm, ec_datagram_t *datagram)
	Read next PDO entry. More...
void	ec_fsm_pdo_entry_conf_state_start (ec_fsm_pdo_entry_t *fsm, ec_datagram_t *datagram)
	Start PDO mapping. More...
void	ec_fsm_pdo_entry_conf_state_zero_entry_count (ec_fsm_pdo_entry_t *fsm, ec_datagram_t *datagram)
	Set the number of mapped entries to zero. More...
void	ec_fsm_pdo_entry_conf_state_map_entry (ec_fsm_pdo_entry_t *fsm, ec_datagram_t *datagram)
	Add a PDO entry. More...
void	ec_fsm_pdo_entry_conf_state_set_entry_count (ec_fsm_pdo_entry_t *fsm, ec_datagram_t *datagram)
	Set the number of entries. More...
void	ec_fsm_pdo_entry_conf_action_map (ec_fsm_pdo_entry_t *fsm, ec_datagram_t *datagram)
	Starts to add a PDO entry. More...
void	ec_fsm_pdo_entry_state_end (ec_fsm_pdo_entry_t *fsm, ec_datagram_t *datagram)
	State: END. More...
void	ec_fsm_pdo_entry_state_error (ec_fsm_pdo_entry_t *fsm, ec_datagram_t *datagram)
	State: ERROR. More...
void	ec_fsm_pdo_entry_init (ec_fsm_pdo_entry_t *fsm, ec_fsm_coe_t *fsm_coe)
	Constructor. More...
void	ec_fsm_pdo_entry_clear (ec_fsm_pdo_entry_t *fsm)
	Destructor. More...
void	ec_fsm_pdo_entry_print (ec_fsm_pdo_entry_t *fsm)
	Print the current and desired PDO mapping. More...
void	ec_fsm_pdo_entry_start_reading (ec_fsm_pdo_entry_t *fsm, ec_slave_t *slave, ec_pdo_t *pdo)
	Start reading a PDO's entries. More...
void	ec_fsm_pdo_entry_start_configuration (ec_fsm_pdo_entry_t *fsm, ec_slave_t *slave, const ec_pdo_t *pdo, const ec_pdo_t *cur_pdo)
	Start PDO mapping state machine. More...
int	ec_fsm_pdo_entry_running (const ec_fsm_pdo_entry_t *fsm)
	Get running state. More...
int	ec_fsm_pdo_entry_exec (ec_fsm_pdo_entry_t *fsm, ec_datagram_t *datagram)
	Executes the current state. More...
int	ec_fsm_pdo_entry_success (const ec_fsm_pdo_entry_t *fsm)
	Get execution result. More...
ec_pdo_entry_t *	ec_fsm_pdo_entry_conf_next_entry (const ec_fsm_pdo_entry_t *fsm, const struct list_head *list)
	Process next PDO entry. More...

Detailed Description

EtherCAT PDO mapping state machine.

Definition in file fsm_pdo_entry.c.

Function Documentation

ec_fsm_pdo_entry_read_state_start()

void ec_fsm_pdo_entry_read_state_start	(	ec_fsm_pdo_entry_t *	fsm,
		ec_datagram_t *	datagram
	)

Request reading the number of mapped PDO entries.

Parameters

fsm	PDO mapping state machine.
datagram	Datagram to use.

Definition at line 186 of file fsm_pdo_entry.c.

ec_fsm_pdo_entry_read_state_count()

void ec_fsm_pdo_entry_read_state_count	(	ec_fsm_pdo_entry_t *	fsm,
		ec_datagram_t *	datagram
	)

Read number of mapped PDO entries.

Parameters

fsm	finite state machine
datagram	Datagram to use.

Definition at line 203 of file fsm_pdo_entry.c.

ec_fsm_pdo_entry_read_state_entry()

void ec_fsm_pdo_entry_read_state_entry	(	ec_fsm_pdo_entry_t *	fsm,
		ec_datagram_t *	datagram
	)

Read PDO entry information.

Parameters

fsm	finite state machine
datagram	Datagram to use.

Definition at line 264 of file fsm_pdo_entry.c.

ec_fsm_pdo_entry_read_action_next()

void ec_fsm_pdo_entry_read_action_next	(	ec_fsm_pdo_entry_t *	fsm,
		ec_datagram_t *	datagram
	)

Read next PDO entry.

Parameters

fsm	finite state machine
datagram	Datagram to use.

Definition at line 241 of file fsm_pdo_entry.c.

ec_fsm_pdo_entry_conf_state_start()

void ec_fsm_pdo_entry_conf_state_start	(	ec_fsm_pdo_entry_t *	fsm,
		ec_datagram_t *	datagram
	)

Start PDO mapping.

Parameters

fsm	PDO mapping state machine.
datagram	Datagram to use.

Definition at line 332 of file fsm_pdo_entry.c.

ec_fsm_pdo_entry_conf_state_zero_entry_count()

void ec_fsm_pdo_entry_conf_state_zero_entry_count	(	ec_fsm_pdo_entry_t *	fsm,
		ec_datagram_t *	datagram
	)

Set the number of mapped entries to zero.

Parameters

fsm	PDO mapping state machine.
datagram	Datagram to use.

Definition at line 376 of file fsm_pdo_entry.c.

ec_fsm_pdo_entry_conf_state_map_entry()

void ec_fsm_pdo_entry_conf_state_map_entry	(	ec_fsm_pdo_entry_t *	fsm,
		ec_datagram_t *	datagram
	)

Add a PDO entry.

Parameters

fsm	PDO mapping state machine.
datagram	Datagram to use.

Definition at line 440 of file fsm_pdo_entry.c.

ec_fsm_pdo_entry_conf_state_set_entry_count()

void ec_fsm_pdo_entry_conf_state_set_entry_count	(	ec_fsm_pdo_entry_t *	fsm,
		ec_datagram_t *	datagram
	)

Set the number of entries.

Parameters

fsm	PDO mapping state machine.
datagram	Datagram to use.

Definition at line 487 of file fsm_pdo_entry.c.

ec_fsm_pdo_entry_conf_action_map()

void ec_fsm_pdo_entry_conf_action_map	(	ec_fsm_pdo_entry_t *	fsm,
		ec_datagram_t *	datagram
	)

Starts to add a PDO entry.

Parameters

fsm	PDO mapping state machine.
datagram	Datagram to use.

Definition at line 411 of file fsm_pdo_entry.c.

ec_fsm_pdo_entry_state_end()

void ec_fsm_pdo_entry_state_end	(	ec_fsm_pdo_entry_t *	fsm,
		ec_datagram_t *	datagram
	)

State: END.

Parameters

fsm	PDO mapping state machine.
datagram	Datagram to use.

Definition at line 526 of file fsm_pdo_entry.c.

ec_fsm_pdo_entry_state_error()

void ec_fsm_pdo_entry_state_error	(	ec_fsm_pdo_entry_t *	fsm,
		ec_datagram_t *	datagram
	)

State: ERROR.

Parameters

fsm	PDO mapping state machine.
datagram	Datagram to use.

Definition at line 515 of file fsm_pdo_entry.c.

ec_fsm_pdo_entry_init()

void ec_fsm_pdo_entry_init	(	ec_fsm_pdo_entry_t *	fsm,
		ec_fsm_coe_t *	fsm_coe
	)

Constructor.

Parameters

fsm	PDO mapping state machine.
fsm_coe	CoE state machine to use.

Definition at line 60 of file fsm_pdo_entry.c.

ec_fsm_pdo_entry_clear()

void ec_fsm_pdo_entry_clear

(

ec_fsm_pdo_entry_t *

fsm

)

Destructor.

Parameters

fsm	PDO mapping state machine.

Definition at line 73 of file fsm_pdo_entry.c.

ec_fsm_pdo_entry_print()

void ec_fsm_pdo_entry_print

(

ec_fsm_pdo_entry_t *

fsm

)

Print the current and desired PDO mapping.

Parameters

fsm	PDO mapping state machine.

Definition at line 84 of file fsm_pdo_entry.c.

ec_fsm_pdo_entry_start_reading()

void ec_fsm_pdo_entry_start_reading	(	ec_fsm_pdo_entry_t *	fsm,
		ec_slave_t *	slave,
		ec_pdo_t *	pdo
	)

Start reading a PDO's entries.

Parameters

fsm	PDO mapping state machine.
slave	Slave to configure.
pdo	PDO to read entries for.

Definition at line 99 of file fsm_pdo_entry.c.

ec_fsm_pdo_entry_start_configuration()

void ec_fsm_pdo_entry_start_configuration	(	ec_fsm_pdo_entry_t *	fsm,
		ec_slave_t *	slave,
		const ec_pdo_t *	pdo,
		const ec_pdo_t *	cur_pdo
	)

Start PDO mapping state machine.

Parameters

fsm	PDO mapping state machine.
slave	Slave to configure.
pdo	PDO with the desired entries.
cur_pdo	Current PDO mapping.

Definition at line 117 of file fsm_pdo_entry.c.

ec_fsm_pdo_entry_running()

int ec_fsm_pdo_entry_running

(

const ec_fsm_pdo_entry_t *

fsm

)

Get running state.

Returns

false, if state machine has terminated

Parameters

fsm	PDO mapping state machine.

Definition at line 143 of file fsm_pdo_entry.c.

ec_fsm_pdo_entry_exec()

int ec_fsm_pdo_entry_exec	(	ec_fsm_pdo_entry_t *	fsm,
		ec_datagram_t *	datagram
	)

Executes the current state.

Returns

false, if state machine has terminated

Parameters

fsm	PDO mapping state machine.
datagram	Datagram to use.

Definition at line 157 of file fsm_pdo_entry.c.

ec_fsm_pdo_entry_success()

int ec_fsm_pdo_entry_success

(

const ec_fsm_pdo_entry_t *

fsm

)

Get execution result.

Returns

true, if the state machine terminated gracefully

Parameters

fsm	PDO mapping state machine.

Definition at line 173 of file fsm_pdo_entry.c.

ec_fsm_pdo_entry_conf_next_entry()

ec_pdo_entry_t* ec_fsm_pdo_entry_conf_next_entry	(	const ec_fsm_pdo_entry_t *	fsm,
		const struct list_head *	list
	)

Process next PDO entry.

Returns

Next PDO entry, or NULL.

Parameters

fsm	PDO mapping state machine.
list	current entry list item

Definition at line 361 of file fsm_pdo_entry.c.