Nano service device library. More...

Functions
static uint16_t	sn_nsdl_internal_coap_send (struct nsdl_s handle, sn_coap_hdr_s coap_header_ptr, sn_nsdl_addr_s *dst_addr_ptr, uint8_t message_description)
	To send NSDL messages.
static void	sn_nsdl_resolve_nsp_address (struct nsdl_s *handle)
	Resolves NSP server address.
int8_t	sn_nsdl_build_registration_body (struct nsdl_s handle, sn_coap_hdr_s message_ptr, uint8_t updating_registeration)
	To build GRS resources to registration message payload.
static uint16_t	sn_nsdl_calculate_registration_body_size (struct nsdl_s handle, uint8_t updating_registeration, int8_t error)
	Calculates registration message payload size.
static uint8_t	sn_nsdl_calculate_uri_query_option_len (sn_nsdl_ep_parameters_s *endpoint_info_ptr, uint8_t msg_type)
	Calculates needed uri query option length.
static int8_t	sn_nsdl_fill_uri_query_options (struct nsdl_s handle, sn_nsdl_ep_parameters_s parameter_ptr, sn_coap_hdr_s *source_msg_ptr, uint8_t msg_type)
	Fills uri-query options to message header struct.
static int8_t	sn_nsdl_local_rx_function (struct nsdl_s handle, sn_coap_hdr_s coap_packet_ptr, sn_nsdl_addr_s *address_ptr)
	If received message is reply for the message that NSDL has been sent, it is processed here.
static int8_t	sn_nsdl_resolve_ep_information (struct nsdl_s handle, sn_coap_hdr_s coap_packet_ptr)
	Resolves endpoint information from received CoAP message.
int8_t	sn_nsdl_destroy (struct nsdl_s *handle)
	This function releases all allocated memory in mbed Device C Client library.
uint16_t	sn_nsdl_register_endpoint (struct nsdl_s handle, sn_nsdl_ep_parameters_s endpoint_info_ptr)
	Registers endpoint to mbed Device Server.
uint16_t	sn_nsdl_unregister_endpoint (struct nsdl_s *handle)
	Sends unregister-message to mbed Device Server.
uint16_t	sn_nsdl_update_registration (struct nsdl_s handle, uint8_t lt_ptr, uint8_t lt_len)
	Update the registration with mbed Device Server.
int8_t	sn_nsdl_set_endpoint_location (struct nsdl_s handle, uint8_t location_ptr, uint8_t location_len)
	Sets the location receievd from Device Server.
void	sn_nsdl_nsp_lost (struct nsdl_s *handle)
	A function to inform mbed Device C client library if application detects a fault in mbed Device Server registration.
int8_t	sn_nsdl_is_ep_registered (struct nsdl_s *handle)
	Checks if endpoint is registered.
uint16_t	sn_nsdl_send_observation_notification (struct nsdl_s handle, uint8_t token_ptr, uint8_t token_len, uint8_t *payload_ptr, uint16_t payload_len, sn_coap_observe_e observe, sn_coap_msg_type_e message_type, sn_coap_content_format_e content_format)
	Sends observation message to mbed Device Server.
uint16_t	sn_nsdl_send_observation_notification_with_uri_path (struct nsdl_s handle, uint8_t token_ptr, uint8_t token_len, uint8_t payload_ptr, uint16_t payload_len, sn_coap_observe_e observe, sn_coap_msg_type_e message_type, uint8_t content_format, uint8_t uri_path_ptr, uint16_t uri_path_len)
	Sends observation message to mbed Device Server with uri path.
uint16_t	sn_nsdl_oma_bootstrap (struct nsdl_s handle, sn_nsdl_addr_s bootstrap_address_ptr, sn_nsdl_ep_parameters_s endpoint_info_ptr, sn_nsdl_bs_ep_info_t bootstrap_endpoint_info_ptr)
	Starts OMA bootstrap process.
omalw_certificate_list_t *	sn_nsdl_get_certificates (struct nsdl_s *handle)
	Get pointer to received device server certificates.
int8_t	sn_nsdl_update_certificates (struct nsdl_s handle, omalw_certificate_list_t certificate_ptr, uint8_t certificate_chain)
	Updates certificate pointers to resource server.
int8_t	sn_nsdl_create_oma_device_object (struct nsdl_s handle, sn_nsdl_oma_device_t device_object_ptr)
	Creates new device object resource.
char *	sn_nsdl_get_version (void)
	Version query function.
int8_t	sn_nsdl_process_coap (struct nsdl_s handle, uint8_t packet_ptr, uint16_t packet_len, sn_nsdl_addr_s *src_ptr)
	To push CoAP packet to mbed Device C Client library.
int8_t	sn_nsdl_exec (struct nsdl_s *handle, uint32_t time)
	CoAP retransmission function.
sn_nsdl_resource_info_s *	sn_nsdl_get_resource (struct nsdl_s handle, uint16_t pathlen, uint8_t path_ptr)
	Resource get function.
int8_t	set_NSP_address (struct nsdl_s handle, uint8_t NSP_address, uint16_t port, sn_nsdl_addr_type_e address_type)
	This function is used to set the mbed Device Server address given by an application.
sn_grs_resource_list_s *	sn_nsdl_list_resource (struct nsdl_s handle, uint16_t pathlen, uint8_t path)
	Resource list function.
void	sn_nsdl_free_resource_list (struct nsdl_s handle, sn_grs_resource_list_s list)
	Free a resource list obtained from sn_nsdl_list_resource()
int8_t	sn_nsdl_send_coap_message (struct nsdl_s handle, sn_nsdl_addr_s address_ptr, sn_coap_hdr_s *coap_hdr_ptr)
	Send an outgoing CoAP request.
int8_t	sn_nsdl_create_resource (struct nsdl_s handle, sn_nsdl_resource_info_s res)
	Resource creating function.
int8_t	sn_nsdl_put_resource (struct nsdl_s handle, sn_nsdl_resource_info_s res)
	Resource putting function.
sn_coap_hdr_s *	sn_nsdl_build_response (struct nsdl_s handle, sn_coap_hdr_s coap_packet_ptr, uint8_t msg_code)
	Prepares generic response packet from a request packet.
sn_coap_options_list_s *	sn_nsdl_alloc_options_list (struct nsdl_s handle, sn_coap_hdr_s coap_msg_ptr)
	Allocates and initializes options list structure.
void	sn_nsdl_release_allocated_coap_msg_mem (struct nsdl_s handle, sn_coap_hdr_s freed_coap_msg_ptr)
	Releases memory of given CoAP message.
int8_t	sn_nsdl_set_retransmission_parameters (struct nsdl_s *handle, uint8_t resending_count, uint8_t resending_interval)
	If re-transmissions are enabled, this function changes resending count and interval.
int8_t	sn_nsdl_set_retransmission_buffer (struct nsdl_s *handle, uint8_t buffer_size_messages, uint16_t buffer_size_bytes)
	If re-transmissions are enabled, this function changes message retransmission queue size.
int8_t	sn_nsdl_set_block_size (struct nsdl_s *handle, uint16_t block_size)
	If block transfer is enabled, this function changes the block size.
int8_t	sn_nsdl_set_duplicate_buffer_size (struct nsdl_s *handle, uint8_t message_count)
	If dublicate message detection is enabled, this function changes buffer size.

Detailed Description

Nano service device library.

Definition in file sn_nsdl.c.

Function Documentation

int8_t set_NSP_address	(	struct nsdl_s *	handle,
		uint8_t *	NSP_address,
		uint16_t	port,
		sn_nsdl_addr_type_e	address_type
	)

This function is used to set the mbed Device Server address given by an application.

Parameters:

*handle Pointer to nsdl-library handle

Returns:: 0 Success; -1 Failed to indicate that internal address pointer is not allocated (call nsdl_init() first).

Definition at line 1820 of file sn_nsdl.c.

sn_coap_options_list_s* sn_nsdl_alloc_options_list	(	struct nsdl_s *	handle,
		sn_coap_hdr_s *	coap_msg_ptr
	)

Allocates and initializes options list structure.

Parameters:

*handle	Pointer to library handle
*coap_msg_ptr	is pointer to CoAP message that will contain the options

If the message already has a pointer to an option structure, that pointer is returned, rather than a new structure being allocated.

Returns:: Return value is pointer to the CoAP options structure.
In following failure cases NULL is returned:
-Failure in given pointer (= NULL)
-Failure in memory allocation (malloc() returns NULL)

Definition at line 2521 of file sn_nsdl.c.

int8_t sn_nsdl_build_registration_body	(	struct nsdl_s *	handle,
		sn_coap_hdr_s *	message_ptr,
		uint8_t	updating_registeration
	)

To build GRS resources to registration message payload.

Parameters:

*handle	Pointer to nsdl-library handle
*message_ptr	Pointer to CoAP message header

Returns:: SN_NSDL_SUCCESS = 0, Failed = -1

Definition at line 1247 of file sn_nsdl.c.

sn_coap_hdr_s* sn_nsdl_build_response	(	struct nsdl_s *	handle,
		sn_coap_hdr_s *	coap_packet_ptr,
		uint8_t	msg_code
	)

Prepares generic response packet from a request packet.

This function allocates memory for the resulting sn_coap_hdr_s

Parameters:

*handle	Pointer to library handle
*coap_packet_ptr	The request packet pointer
msg_code	response messages code

Returns:: *coap_packet_ptr The allocated and pre-filled response packet pointer NULL Error in parsing the request

Definition at line 2512 of file sn_nsdl.c.

static uint16_t sn_nsdl_calculate_registration_body_size	(	struct nsdl_s *	handle,
		uint8_t	updating_registeration,
		int8_t *	error
	)		`[static]`

Calculates registration message payload size.

Parameters:

*handle	Pointer to nsdl-library handle
*updating_registeration	Pointer to list of GRS resources
*error	Error code, SN_NSDL_SUCCESS or SN_NSDL_FAILURE

Returns:: Needed payload size

Definition at line 1377 of file sn_nsdl.c.

static uint8_t sn_nsdl_calculate_uri_query_option_len	(	sn_nsdl_ep_parameters_s *	endpoint_info_ptr,
		uint8_t	msg_type
	)		`[static]`

Calculates needed uri query option length.

Parameters:

*endpoint_info_ptr	Pointer to endpoint info structure
msg_type	Message type

Returns:: number of parameters in uri query

Definition at line 1475 of file sn_nsdl.c.

int8_t sn_nsdl_create_oma_device_object	(	struct nsdl_s *	handle,
		sn_nsdl_oma_device_t *	device_object_ptr
	)

Creates new device object resource.

Parameters:

*handle Pointer to nsdl-library handle

Definition at line 773 of file sn_nsdl.c.

int8_t sn_nsdl_create_resource	(	struct nsdl_s *	handle,
		sn_nsdl_resource_info_s *	res
	)

Resource creating function.

Used to create a static or dynamic CoAP resource.

Parameters:

*res	Pointer to a structure of type sn_nsdl_resource_info_t that contains the information about the resource.

Returns:: 0 Success; -1 Failure; -2 Resource already exists; -3 Invalid path; -4 List adding failure

Definition at line 2465 of file sn_nsdl.c.

int8_t sn_nsdl_destroy ( struct nsdl_s * handle )

This function releases all allocated memory in mbed Device C Client library.

Parameters:

*handle Pointer to nsdl-library handle

Definition at line 113 of file sn_nsdl.c.

int8_t sn_nsdl_exec	(	struct nsdl_s *	handle,
		uint32_t	time
	)

CoAP retransmission function.

Used to give execution time for the mbed Device C Client library for retransmissions.

Parameters:

*handle	Pointer to nsdl-library handle
time	Time in seconds.

Returns:: 0 Success; -1 Failure

Definition at line 1018 of file sn_nsdl.c.

static int8_t sn_nsdl_fill_uri_query_options	(	struct nsdl_s *	handle,
		sn_nsdl_ep_parameters_s *	parameter_ptr,
		sn_coap_hdr_s *	source_msg_ptr,
		uint8_t	msg_type
	)		`[static]`

Fills uri-query options to message header struct.

Parameters:

*handle	Pointer to nsdl-library handle
*parameter_ptr	Pointer to endpoint parameters struct
*source_msg_ptr	Pointer to CoAP header struct
msg_type	Message type

Returns:: SN_NSDL_SUCCESS = 0, Failed = -1

Definition at line 1540 of file sn_nsdl.c.

void sn_nsdl_free_resource_list	(	struct nsdl_s *	handle,
		sn_grs_resource_list_s *	list
	)

Free a resource list obtained from sn_nsdl_list_resource()

Parameters:

list	The list to free, or NULL.

Definition at line 2435 of file sn_nsdl.c.

omalw_certificate_list_t* sn_nsdl_get_certificates ( struct nsdl_s * handle )

Get pointer to received device server certificates.

Parameters:

*handle Pointer to nsdl-library handle

Definition at line 677 of file sn_nsdl.c.

sn_nsdl_resource_info_s* sn_nsdl_get_resource	(	struct nsdl_s *	handle,
		uint16_t	pathlen,
		uint8_t *	path_ptr
	)

Resource get function.

Used to get a resource.

Parameters:

*handle	Pointer to nsdl-library handle
pathlen	Contains the length of the path that is to be returned (excluding possible trailing '\0').
*path	A pointer to an array containing the path.

Returns:: !NULL Success, pointer to a sn_nsdl_resource_info_s that contains the resource information; NULL Failure

Definition at line 1027 of file sn_nsdl.c.

char* sn_nsdl_get_version ( void )

Version query function.

Used to retrieve the version information from the mbed Device C Client library.

Returns:: Pointer to library version string

Definition at line 856 of file sn_nsdl.c.

static uint16_t sn_nsdl_internal_coap_send	(	struct nsdl_s *	handle,
		sn_coap_hdr_s *	coap_header_ptr,
		sn_nsdl_addr_s *	dst_addr_ptr,
		uint8_t	message_description
	)		`[static]`

To send NSDL messages.

Stores message id?s and message description to catch response from NSP server

Parameters:

*handle	Pointer to nsdl-library handle
*coap_header_ptr	Pointer to the CoAP message header to be sent
*dst_addr_ptr	Pointer to the address structure that contains destination address information
message_description	Message description to be stored to list for waiting response

Returns:: message id, 0 if failed

Definition at line 1050 of file sn_nsdl.c.

int8_t sn_nsdl_is_ep_registered ( struct nsdl_s * handle )

Checks if endpoint is registered.

Parameters:

*handle Pointer to nsdl-library handle

Returns:: 1 Endpoint registration is done successfully; 0 Endpoint is not registered

Definition at line 505 of file sn_nsdl.c.

sn_grs_resource_list_s* sn_nsdl_list_resource	(	struct nsdl_s *	handle,
		uint16_t	pathlen,
		uint8_t *	path
	)

Resource list function.

Parameters:

*handle	Pointer to nsdl-library handle
pathlen	Contains the length of the target path (excluding possible trailing '\0'). The length value is not examined if the path itself is a NULL pointer.
*path	A pointer to an array containing the path or a NULL pointer.

Returns:: !NULL A pointer to a sn_grs_resource_list_s structure containing the resource listing.; NULL Failure with an unspecified error

Definition at line 2425 of file sn_nsdl.c.

static int8_t sn_nsdl_local_rx_function	(	struct nsdl_s *	handle,
		sn_coap_hdr_s *	coap_packet_ptr,
		sn_nsdl_addr_s *	address_ptr
	)		`[static]`

If received message is reply for the message that NSDL has been sent, it is processed here.

Else, packet will be sent to application.

Parameters:

*handle	Pointer to nsdl-library handle
*coap_packet_ptr	Pointer to received CoAP packet
*address_ptr	Pointer to source address struct

Returns:: SN_NSDL_SUCCESS = 0, Failed = -1

Definition at line 1690 of file sn_nsdl.c.

void sn_nsdl_nsp_lost ( struct nsdl_s * handle )

A function to inform mbed Device C client library if application detects a fault in mbed Device Server registration.

Parameters:

*handle Pointer to nsdl-library handle

After calling this function sn_nsdl_is_ep_registered() will return "not registered".

Definition at line 495 of file sn_nsdl.c.

uint16_t sn_nsdl_oma_bootstrap	(	struct nsdl_s *	handle,
		sn_nsdl_addr_s *	bootstrap_address_ptr,
		sn_nsdl_ep_parameters_s *	endpoint_info_ptr,
		sn_nsdl_bs_ep_info_t *	bootstrap_endpoint_info_ptr
	)

Starts OMA bootstrap process.

Parameters:

*handle Pointer to nsdl-library handle

Returns:: bootstrap message ID, 0 if failed

Definition at line 601 of file sn_nsdl.c.

int8_t sn_nsdl_process_coap	(	struct nsdl_s *	handle,
		uint8_t *	packet_ptr,
		uint16_t	packet_len,
		sn_nsdl_addr_s *	src_ptr
	)

To push CoAP packet to mbed Device C Client library.

Used to push an CoAP packet to mbed Device C Client library for processing.

Parameters:

*handle	Pointer to nsdl-library handle
*packet	Pointer to a uint8_t array containing the packet (including the CoAP headers). After successful execution this array may contain the response packet.
*packet_len	Pointer to length of the packet. After successful execution this array may contain the length of the response packet.
*src	Pointer to packet source address information. After successful execution this array may contain the destination address of the response packet.

Returns:: 0 Success; -1 Failure

Definition at line 868 of file sn_nsdl.c.

int8_t sn_nsdl_put_resource	(	struct nsdl_s *	handle,
		sn_nsdl_resource_info_s *	res
	)

Resource putting function.

Used to put a static or dynamic CoAP resource without creating copy of it. NOTE: Remember that only resource will be owned, not data that it contains

Parameters:

*res	Pointer to a structure of type sn_nsdl_resource_info_t that contains the information about the resource.

Returns:: 0 Success; -1 Failure; -2 Resource already exists; -3 Invalid path; -4 List adding failure

Definition at line 2475 of file sn_nsdl.c.

uint16_t sn_nsdl_register_endpoint	(	struct nsdl_s *	handle,
		sn_nsdl_ep_parameters_s *	endpoint_info_ptr
	)

Registers endpoint to mbed Device Server.

Parameters:

*handle	Pointer to nsdl-library handle
*endpoint_info_ptr	Contains endpoint information.

Returns:: registration message ID, 0 if failed

Definition at line 229 of file sn_nsdl.c.

void sn_nsdl_release_allocated_coap_msg_mem	(	struct nsdl_s *	handle,
		sn_coap_hdr_s *	freed_coap_msg_ptr
	)

Releases memory of given CoAP message.

Note!!! Does not release Payload part

Parameters:

*handle	Pointer to library handle
*freed_coap_msg_ptr	is pointer to released CoAP message

Definition at line 2529 of file sn_nsdl.c.

static int8_t sn_nsdl_resolve_ep_information	(	struct nsdl_s *	handle,
		sn_coap_hdr_s *	coap_packet_ptr
	)		`[static]`

Resolves endpoint information from received CoAP message.

Parameters:

*handle	Pointer to nsdl-library handle
*coap_packet_ptr	Pointer to received CoAP message

Returns:: SN_NSDL_SUCCESS = 0, Failed = -1

Definition at line 1764 of file sn_nsdl.c.

static void sn_nsdl_resolve_nsp_address ( struct nsdl_s * handle ) [static]

Resolves NSP server address.

Parameters:

*handle Pointer to nsdl-library handle

Note:: Application must set NSP address with set_nsp_address

Definition at line 1115 of file sn_nsdl.c.

int8_t sn_nsdl_send_coap_message	(	struct nsdl_s *	handle,
		sn_nsdl_addr_s *	address_ptr,
		sn_coap_hdr_s *	coap_hdr_ptr
	)

Send an outgoing CoAP request.

Parameters:

*handle	Pointer to nsdl-library handle
*address_ptr	Pointer to source address struct
*coap_hdr_ptr	Pointer to CoAP message to be sent

Returns:: 0 Success; -1 Failure

Definition at line 2455 of file sn_nsdl.c.

uint16_t sn_nsdl_send_observation_notification	(	struct nsdl_s *	handle,
		uint8_t *	token_ptr,
		uint8_t	token_len,
		uint8_t *	payload_ptr,
		uint16_t	payload_len,
		sn_coap_observe_e	observe,
		sn_coap_msg_type_e	message_type,
		sn_coap_content_format_e	content_format
	)

Sends observation message to mbed Device Server.

Parameters:

*handle	Pointer to nsdl-library handle
*token_ptr	Pointer to token to be used
token_len	Token length
*payload_ptr	Pointer to payload to be sent
payload_len	Payload length
observe	Observe option value to be sent
message_type	Observation message type (confirmable or non-confirmable)
content_format	Observation message payload content format

Returns:: !0 Success, observation messages message ID; 0 Failure

Definition at line 515 of file sn_nsdl.c.

uint16_t sn_nsdl_send_observation_notification_with_uri_path	(	struct nsdl_s *	handle,
		uint8_t *	token_ptr,
		uint8_t	token_len,
		uint8_t *	payload_ptr,
		uint16_t	payload_len,
		sn_coap_observe_e	observe,
		sn_coap_msg_type_e	message_type,
		uint8_t	content_format,
		uint8_t *	uri_path_ptr,
		uint16_t	uri_path_len
	)

Sends observation message to mbed Device Server with uri path.

Parameters:

*handle	Pointer to nsdl-library handle
*token_ptr	Pointer to token to be used
token_len	Token length
*payload_ptr	Pointer to payload to be sent
payload_len	Payload length
observe	Observe option value to be sent
message_type	Observation message type (confirmable or non-confirmable)
content_type	Observation message payload contetnt type
uri_path_ptr	Pointer to uri path to be sent
uri_path_len	Uri path len

Returns:: !0 Success, observation messages message ID; 0 Failure

Definition at line 532 of file sn_nsdl.c.

int8_t sn_nsdl_set_block_size	(	struct nsdl_s *	handle,
		uint16_t	block_size
	)

If block transfer is enabled, this function changes the block size.

Parameters:

*handle	Pointer to library handle
uint16_t	block_size maximum size of CoAP payload. Valid sizes are 16, 32, 64, 128, 256, 512 and 1024 bytes

Returns:: 0 = success, -1 = failure

Definition at line 2558 of file sn_nsdl.c.

int8_t sn_nsdl_set_duplicate_buffer_size	(	struct nsdl_s *	handle,
		uint8_t	message_count
	)

If dublicate message detection is enabled, this function changes buffer size.

Parameters:

*handle	Pointer to library handle
uint8_t	message_count max number of messages saved for duplicate control

Returns:: 0 = success, -1 = failure

Definition at line 2566 of file sn_nsdl.c.

int8_t sn_nsdl_set_endpoint_location	(	struct nsdl_s *	handle,
		uint8_t *	location_ptr,
		uint8_t	location_len
	)

Sets the location receievd from Device Server.

Parameters:

*handle	Pointer to nsdl-library handle
*lt_ptr	Pointer to location value string , eg. "s322j4k"
lt_len	Length of the location string

Returns:: success, 0 if failed -1

Definition at line 481 of file sn_nsdl.c.

int8_t sn_nsdl_set_retransmission_buffer	(	struct nsdl_s *	handle,
		uint8_t	buffer_size_messages,
		uint16_t	buffer_size_bytes
	)

If re-transmissions are enabled, this function changes message retransmission queue size.

Set size to '0' to disable feature. If both are set to '0', then re-sendings are disabled.

Parameters:

*handle	Pointer to library handle
uint8_t	buffer_size_messages queue size - maximum number of messages to be saved to queue
uint8_t	buffer_size_bytes queue size - maximum size of messages saved to queue

Returns:: 0 = success, -1 = failure

Definition at line 2548 of file sn_nsdl.c.

int8_t sn_nsdl_set_retransmission_parameters	(	struct nsdl_s *	handle,
		uint8_t	resending_count,
		uint8_t	resending_interval
	)

If re-transmissions are enabled, this function changes resending count and interval.

Parameters:

*handle	Pointer to library handle
uint8_t	resending_count max number of resendings for message
uint8_t	resending_intervall message resending intervall in seconds

Returns:: 0 = success, -1 = failure

Definition at line 2538 of file sn_nsdl.c.

uint16_t sn_nsdl_unregister_endpoint ( struct nsdl_s * handle )

Sends unregister-message to mbed Device Server.

Parameters:

*handle Pointer to nsdl-library handle

Returns:: unregistration message ID, 0 if failed

Definition at line 310 of file sn_nsdl.c.

int8_t sn_nsdl_update_certificates	(	struct nsdl_s *	handle,
		omalw_certificate_list_t *	certificate_ptr,
		uint8_t	certificate_chain
	)

Updates certificate pointers to resource server.

Parameters:

*handle Pointer to nsdl-library handle

Definition at line 728 of file sn_nsdl.c.

uint16_t sn_nsdl_update_registration	(	struct nsdl_s *	handle,
		uint8_t *	lt_ptr,
		uint8_t	lt_len
	)

Update the registration with mbed Device Server.

Parameters:

*handle	Pointer to nsdl-library handle
*lt_ptr	Pointer to lifetime value string in ascii form, eg. "1200"
lt_len	Length of the lifetime string

Returns:: registration update message ID, 0 if failed

Definition at line 380 of file sn_nsdl.c.

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