mailbox.c File Reference

Mailbox functionality. More...

Go to the source code of this file.

Functions
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. More...
int	ec_slave_mbox_prepare_check (const ec_slave_t *slave, ec_datagram_t *datagram)
	Prepares a datagram for checking the mailbox state. More...
int	ec_slave_mbox_check (const ec_datagram_t *datagram)
	Processes a mailbox state checking datagram. More...
int	ec_slave_mbox_prepare_fetch (const ec_slave_t *slave, ec_datagram_t *datagram)
	Prepares a datagram to fetch mailbox data. More...
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. More...

Variables
const ec_code_msg_t	mbox_error_messages []
	Mailbox error codes. More...

Detailed Description

Mailbox functionality.

Definition in file mailbox.c.

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 51 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 96 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 115 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 127 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 165 of file mailbox.c.

Variable Documentation

mbox_error_messages

const ec_code_msg_t mbox_error_messages[]

Initial value:

= {
    {0x00000001, "MBXERR_SYNTAX"},
    {0x00000002, "MBXERR_UNSUPPORTEDPROTOCOL"},
    {0x00000003, "MBXERR_INVAILDCHANNEL"},
    {0x00000004, "MBXERR_SERVICENOTSUPPORTED"},
    {0x00000005, "MBXERR_INVALIDHEADER"},
    {0x00000006, "MBXERR_SIZETOOSHORT"},
    {0x00000007, "MBXERR_NOMOREMEMORY"},
    {0x00000008, "MBXERR_INVALIDSIZE"},
    {}
}

Mailbox error codes.

Definition at line 147 of file mailbox.c.