fsm_sii.c File Reference

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Detailed Description

EtherCAT slave information interface FSM.

Definition in file fsm_sii.c.

Go to the source code of this file.

Functions
void	ec_fsm_sii_start_reading (ec_fsm_sii_t *fsm)
	SII state: START READING.
void	ec_fsm_sii_read_check (ec_fsm_sii_t *fsm)
	SII state: READ CHECK.
void	ec_fsm_sii_read_fetch (ec_fsm_sii_t *fsm)
	SII state: READ FETCH.
void	ec_fsm_sii_start_writing (ec_fsm_sii_t *fsm)
	SII state: START WRITING.
void	ec_fsm_sii_write_check (ec_fsm_sii_t *fsm)
	SII state: WRITE CHECK.
void	ec_fsm_sii_write_check2 (ec_fsm_sii_t *fsm)
	SII state: WRITE CHECK 2.
void	ec_fsm_sii_end (ec_fsm_sii_t *fsm)
	State: END.
void	ec_fsm_sii_error (ec_fsm_sii_t *fsm)
	State: ERROR.
void	ec_fsm_sii_init (ec_fsm_sii_t *fsm, ec_datagram_t *datagram)
	Constructor.
void	ec_fsm_sii_clear (ec_fsm_sii_t *fsm)
	Destructor.
void	ec_fsm_sii_read (ec_fsm_sii_t *fsm, ec_slave_t *slave, uint16_t offset, ec_fsm_sii_addressing_t mode)
	Initializes the SII read state machine.
void	ec_fsm_sii_write (ec_fsm_sii_t *fsm, ec_slave_t *slave, uint16_t offset, uint16_t *value, ec_fsm_sii_addressing_t mode)
	Initializes the SII write state machine.
int	ec_fsm_sii_exec (ec_fsm_sii_t *fsm)
	Executes the SII state machine.
int	ec_fsm_sii_success (ec_fsm_sii_t *fsm)
	Returns, if the master startup state machine terminated with success.

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Function Documentation

void ec_fsm_sii_start_reading (  ec_fsm_sii_t *  fsm  )

SII state: START READING. Starts reading the slave information interface. Parameters: fsm  finite state machine Definition at line 154 of file fsm_sii.c.

void ec_fsm_sii_read_check (  ec_fsm_sii_t *  fsm  )

SII state: READ CHECK. Checks, if the SII-read-datagram has been sent and issues a fetch datagram. Parameters: fsm  finite state machine Definition at line 182 of file fsm_sii.c.

void ec_fsm_sii_read_fetch (  ec_fsm_sii_t *  fsm  )

SII state: READ FETCH. Fetches the result of an SII-read datagram. Parameters: fsm  finite state machine Definition at line 216 of file fsm_sii.c.

void ec_fsm_sii_start_writing (  ec_fsm_sii_t *  fsm  )

SII state: START WRITING. Starts reading the slave information interface. Parameters: fsm  finite state machine Definition at line 280 of file fsm_sii.c.

void ec_fsm_sii_write_check (  ec_fsm_sii_t *   )

SII state: WRITE CHECK. Parameters: fsm  finite state machine Definition at line 300 of file fsm_sii.c.

void ec_fsm_sii_write_check2 (  ec_fsm_sii_t *   )

SII state: WRITE CHECK 2. Parameters: fsm  finite state machine Definition at line 326 of file fsm_sii.c.

void ec_fsm_sii_end (  ec_fsm_sii_t *   )

State: END. Parameters: fsm  finite state machine Definition at line 380 of file fsm_sii.c.

void ec_fsm_sii_error (  ec_fsm_sii_t *   )

State: ERROR. Parameters: fsm  finite state machine Definition at line 370 of file fsm_sii.c.

void ec_fsm_sii_init (  ec_fsm_sii_t *  fsm, ec_datagram_t *  datagram )

Constructor. Parameters: fsm  finite state machine datagram  datagram structure to use Definition at line 63 of file fsm_sii.c.

void ec_fsm_sii_clear (  ec_fsm_sii_t *  fsm  )

Destructor. Parameters: fsm  finite state machine Definition at line 77 of file fsm_sii.c.

void ec_fsm_sii_read (  ec_fsm_sii_t *  fsm, ec_slave_t *  slave, uint16_t  offset, ec_fsm_sii_addressing_t  mode )

Initializes the SII read state machine. Parameters: fsm  finite state machine slave  slave to read from offset  offset to read from mode  addressing scheme Definition at line 87 of file fsm_sii.c.

void ec_fsm_sii_write (  ec_fsm_sii_t *  fsm, ec_slave_t *  slave, uint16_t  offset, uint16_t *  value, ec_fsm_sii_addressing_t  mode )

Initializes the SII write state machine. Parameters: fsm  finite state machine slave  slave to read from offset  offset to read from value  pointer to 2 bytes of data mode  addressing scheme Definition at line 105 of file fsm_sii.c.

int ec_fsm_sii_exec (  ec_fsm_sii_t *  fsm  )

Executes the SII state machine. Returns: false, if the state machine has terminated Parameters: fsm  finite state machine Definition at line 126 of file fsm_sii.c.

int ec_fsm_sii_success (  ec_fsm_sii_t *  fsm  )

Returns, if the master startup state machine terminated with success. Returns: non-zero if successful. Parameters: fsm  Finite state machine Definition at line 140 of file fsm_sii.c.

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