endpoint.c File Reference

#include <stdlib.h>
#include "endpoint.h"

Functions
static wtp_status_t	wtp_handle_open (wtp_t *self, wio_buf_t *buf)
	Handle WTP open packet. More...
static wtp_status_t	wtp_handle_ack (wtp_t *self, wio_buf_t *buf)
	Handle WTP acknowledgement packet. More...
static wtp_status_t	wtp_handle_msg_packet (wtp_t *self, wio_buf_t *buf, bool begin_msg)
	Handle WTP message packet. More...
static wtp_status_t	wtp_handle_begin_msg (wtp_t *self, wio_buf_t *buf)
	Handle WTP begin message packet. More...
static wtp_status_t	wtp_handle_cont_msg (wtp_t *self, wio_buf_t *buf)
	Handle WTP continue message packet. More...
static wtp_status_t	wtp_handle_set_param (wtp_t *self, wio_buf_t *buf)
	Handle WTP set parameter message packet. More...
wtp_status_t	wtp_init (wtp_t *self, uint8_t *epc_mem, uint16_t epc_buf_size, uint8_t *read_mem, uint8_t *write_mem, uint16_t window_size, uint16_t timeout, uint16_t tx_buf_size, uint16_t rx_buf_size, uint8_t n_send, uint8_t n_recv)
	Initialize WTP endpoint. More...
wtp_status_t	wtp_fini (wtp_t *self)
	Finalize WTP endpoint. More...
wtp_status_t	wtp_connect (wtp_t *self)
	Connect to WTP server. More...
wtp_status_t	wtp_close (wtp_t *self)
	Disconnect from WTP server. More...
wtp_status_t	wtp_send (wtp_t *self, uint8_t *data, uint16_t size, void *cb_data, wio_callback_t cb)
	Send message to WTP server. More...
wtp_status_t	wtp_recv (wtp_t *self, void *cb_data, wio_callback_t cb)
	Receive message from WTP server. More...
wtp_status_t	wtp_on_event (wtp_t *self, wtp_event_t event, void *cb_data, wio_callback_t cb)
	Set WTP event handler. More...
wtp_status_t	wtp_trigger_event (wtp_t *self, wtp_event_t event, wtp_status_t status, void *result)
	Trigger WTP event. More...
wtp_status_t	wtp_load_read_mem (wtp_t *self)
	Load RFID READ memory for WTP communication. More...
wtp_status_t	wtp_handle_blockwrite (wtp_t *self)
	Handle RFID BLOCKWRITE operation. More...
wtp_status_t	wtp_verify_checksum (wtp_t *self, wio_buf_t *write_buf)
	Verify the checksum of received WTP packet. More...
uint8_t	wtp_xor_checksum (uint8_t *mem, uint16_t begin, uint16_t end)
	WTP Xor checksum function. More...

Variables
wtp_pkt_handler_t	wtp_pkt_handlers []
	WTP packet handlers. More...

Function Documentation

wtp_close()

wtp_status_t wtp_close

(

wtp_t *

self

)

Disconnect from WTP server.

wtp_connect()

wtp_status_t wtp_connect

(

wtp_t *

self

)

Connect to WTP server.

wtp_fini()

wtp_status_t wtp_fini

(

wtp_t *

self

)

Finalize WTP endpoint.

wtp_handle_ack()

static wtp_status_t wtp_handle_ack ( wtp_t *  self, wio_buf_t *  buf  )

static

Handle WTP acknowledgement packet.

Parameters

self	WTP endpoint instance.
buf	Received packets buffer.

Returns

Error code if failed, otherwise WIO_OK.

wtp_handle_begin_msg()

static wtp_status_t wtp_handle_begin_msg ( wtp_t *  self, wio_buf_t *  buf  )

static

Handle WTP begin message packet.

Parameters

self	WTP endpoint instance.
buf	Received packets buffer.

Returns

Error code if failed, otherwise WIO_OK.

wtp_handle_blockwrite()

wtp_status_t wtp_handle_blockwrite

(

wtp_t *

self

)

Handle RFID BLOCKWRITE operation.

wtp_handle_cont_msg()

static wtp_status_t wtp_handle_cont_msg ( wtp_t *  self, wio_buf_t *  buf  )

static

Handle WTP continue message packet.

Parameters

self	WTP endpoint instance.
buf	Received packets buffer.

Returns

Error code if failed, otherwise WIO_OK.

wtp_handle_msg_packet()

static wtp_status_t wtp_handle_msg_packet ( wtp_t *  self, wio_buf_t *  buf, bool  begin_msg  )

static

Handle WTP message packet.

Parameters

self	WTP endpoint instance.
buf	Received packets buffer.
begin_msg	True for WTP_PKT_BEGIN_MSG and false for WTP_PKT_CONT_MSG.

Returns

Error code if failed, otherwise WIO_OK.

wtp_handle_open()

static wtp_status_t wtp_handle_open ( wtp_t *  self, wio_buf_t *  buf  )

static

Handle WTP open packet.

Parameters

self	WTP endpoint instance.
buf	Received packets buffer.

Returns

Error code if failed, otherwise WIO_OK.

wtp_handle_set_param()

static wtp_status_t wtp_handle_set_param ( wtp_t *  self, wio_buf_t *  buf  )

static

Handle WTP set parameter message packet.

Parameters

self	WTP endpoint instance.
buf	Received packets buffer.

wtp_init()

wtp_status_t wtp_init	(	wtp_t *	self,
		uint8_t *	epc_mem,
		uint16_t	epc_buf_size,
		uint8_t *	read_mem,
		uint8_t *	write_mem,
		uint16_t	window_size,
		uint16_t	timeout,
		uint16_t	tx_buf_size,
		uint16_t	rx_buf_size,
		uint8_t	n_send,
		uint8_t	n_recv
	)

Initialize WTP endpoint.

wtp_load_read_mem()

wtp_status_t wtp_load_read_mem

(

wtp_t *

self

)

Load RFID READ memory for WTP communication.

wtp_on_event()

wtp_status_t wtp_on_event	(	wtp_t *	self,
		wtp_event_t	event,
		void *	cb_data,
		wio_callback_t	cb
	)

Set WTP event handler.

wtp_recv()

wtp_status_t wtp_recv	(	wtp_t *	self,
		void *	cb_data,
		wio_callback_t	cb
	)

Receive message from WTP server.

wtp_send()

wtp_status_t wtp_send	(	wtp_t *	self,
		uint8_t *	data,
		uint16_t	size,
		void *	cb_data,
		wio_callback_t	cb
	)

Send message to WTP server.

wtp_trigger_event()

wtp_status_t wtp_trigger_event	(	wtp_t *	self,
		wtp_event_t	event,
		wtp_status_t	status,
		void *	result
	)

Trigger WTP event.

wtp_verify_checksum()

wtp_status_t wtp_verify_checksum	(	wtp_t *	self,
		wio_buf_t *	write_buf
	)

Verify the checksum of received WTP packet.

wtp_xor_checksum()

uint8_t wtp_xor_checksum	(	uint8_t *	mem,
		uint16_t	begin,
		uint16_t	end
	)

WTP Xor checksum function.

Variable Documentation

wtp_pkt_handlers

wtp_pkt_handler_t wtp_pkt_handlers

Initial value:

= {
    NULL, 
    wtp_handle_open, 
    NULL, 
    wtp_handle_ack, 
    wtp_handle_begin_msg, 
    wtp_handle_cont_msg, 
    NULL, 
    wtp_handle_set_param, 
}

WTP packet handlers.