mailbox.h File Reference

Mailbox functionality. More...

Go to the source code of this file.

Macros
#define	EC_MBOX_HEADER_SIZE   6
	Size of the mailbox header.

Enumerations
enum	{   EC_MBOX_TYPE_EOE = 0x02, EC_MBOX_TYPE_COE = 0x03, EC_MBOX_TYPE_FOE = 0x04, EC_MBOX_TYPE_SOE = 0x05,   EC_MBOX_TYPE_VOE = 0x0f }
	Mailbox types. More...

Functions
uint8_t *	ec_slave_mbox_prepare_send (const ec_slave_t *, ec_datagram_t *, uint8_t, size_t)
	Prepares a mailbox-send datagram. More...
int	ec_slave_mbox_prepare_check (const ec_slave_t *, ec_datagram_t *)
	Prepares a datagram for checking the mailbox state. More...
int	ec_slave_mbox_check (const ec_datagram_t *)
	Processes a mailbox state checking datagram. More...
int	ec_slave_mbox_prepare_fetch (const ec_slave_t *, ec_datagram_t *)
	Prepares a datagram to fetch mailbox data. More...
uint8_t *	ec_slave_mbox_fetch (const ec_slave_t *, const ec_datagram_t *, uint8_t *, size_t *)
	Processes received mailbox data. More...

Detailed Description

Mailbox functionality.

Definition in file mailbox.h.

Enumeration Type Documentation

anonymous enum

anonymous enum

Mailbox types.

These are used in the 'Type' field of the mailbox header.

Definition at line 44 of file mailbox.h.

Function Documentation

ec_slave_mbox_prepare_send()

uint8_t* ec_slave_mbox_prepare_send	(	const ec_slave_t *	slave,
		ec_datagram_t *	datagram,
		uint8_t	type,
		size_t	size
	)

Prepares a mailbox-send datagram.

Returns

Pointer to mailbox datagram data, or ERR_PTR() code.

Parameters

slave	slave
datagram	datagram
type	mailbox protocol
size	size of the data

Definition at line 43 of file mailbox.c.

ec_slave_mbox_prepare_check()

int ec_slave_mbox_prepare_check	(	const ec_slave_t *	slave,
		ec_datagram_t *	datagram
	)

Prepares a datagram for checking the mailbox state.

Todo:

Determine sync manager used for receive mailbox

Returns

0 in case of success, else < 0

Parameters

slave	slave
datagram	datagram

Definition at line 88 of file mailbox.c.

ec_slave_mbox_check()

int ec_slave_mbox_check

(

const ec_datagram_t *

datagram

)

Processes a mailbox state checking datagram.

Returns

0 in case of success, else < 0

Parameters

datagram

datagram

Definition at line 107 of file mailbox.c.

ec_slave_mbox_prepare_fetch()

int ec_slave_mbox_prepare_fetch	(	const ec_slave_t *	slave,
		ec_datagram_t *	datagram
	)

Prepares a datagram to fetch mailbox data.

Returns

0 in case of success, else < 0

Parameters

slave	slave
datagram	datagram

Definition at line 119 of file mailbox.c.

ec_slave_mbox_fetch()

uint8_t* ec_slave_mbox_fetch	(	const ec_slave_t *	slave,
		const ec_datagram_t *	datagram,
		uint8_t *	type,
		size_t *	size
	)

Processes received mailbox data.

Returns

Pointer to the received data, or ERR_PTR() code.

Parameters

slave	slave
datagram	datagram
type	expected mailbox protocol
size	size of the received data

Definition at line 157 of file mailbox.c.