Sensinode / nsdl_lib

NSDL C library

Dependents:   NSDL_HelloWorld_WiFi UbloxModemNanoServiceClient IOT-NSDL_HelloWorld LWM2M_NanoService_Ethernet ... more

Fork of nsdl_lib by Tero Heinonen

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sn_coap_header.h@2:ab50a2ab6ec9, 2013-10-09 (annotated)

Committer:
screamer
Date:
Wed Oct 09 14:57:33 2013 +0000
Revision:
2:ab50a2ab6ec9
Parent:
1:01d723824294
Child:
3:d8cb1afd7285
Added doxygen markup #2

Who changed what in which revision?

UserRevisionLine numberNew contents of line
terohoo 0:58c4f13c4b9a 1 /**
terohoo 0:58c4f13c4b9a 2 * \file sn_coap_header.h
terohoo 0:58c4f13c4b9a 3 *
terohoo 0:58c4f13c4b9a 4 * \brief CoAP C-library User header interface header file
terohoo 0:58c4f13c4b9a 5 *
terohoo 0:58c4f13c4b9a 6 * Created on: Jun 30, 2011
terohoo 0:58c4f13c4b9a 7 * Author: tero
terohoo 0:58c4f13c4b9a 8 *
terohoo 0:58c4f13c4b9a 9 * \note Supports draft-ietf-core-coap-18
terohoo 0:58c4f13c4b9a 10 */
terohoo 0:58c4f13c4b9a 11
terohoo 0:58c4f13c4b9a 12 #ifndef SN_COAP_HEADER_H_
terohoo 0:58c4f13c4b9a 13 #define SN_COAP_HEADER_H_
terohoo 0:58c4f13c4b9a 14
terohoo 0:58c4f13c4b9a 15 #ifdef __cplusplus
terohoo 0:58c4f13c4b9a 16 extern "C" {
terohoo 0:58c4f13c4b9a 17 #endif
terohoo 0:58c4f13c4b9a 18
terohoo 0:58c4f13c4b9a 19 /* * * * * * * * * * * */
terohoo 0:58c4f13c4b9a 20 /* * * * DEFINES * * * */
terohoo 0:58c4f13c4b9a 21 /* * * * * * * * * * * */
terohoo 0:58c4f13c4b9a 22
terohoo 0:58c4f13c4b9a 23 /* * * * * * * * * * * * * * */
terohoo 0:58c4f13c4b9a 24 /* * * * ENUMERATIONS * * * */
terohoo 0:58c4f13c4b9a 25 /* * * * * * * * * * * * * * */
terohoo 0:58c4f13c4b9a 26
screamer 1:01d723824294 27 /**
screamer 1:01d723824294 28 * Enumeration for CoAP Version
screamer 1:01d723824294 29 */
terohoo 0:58c4f13c4b9a 30 typedef enum coap_version_
terohoo 0:58c4f13c4b9a 31 {
terohoo 0:58c4f13c4b9a 32 COAP_VERSION_1 = 0x40,
terohoo 0:58c4f13c4b9a 33 COAP_VERSION_UNKNOWN = 0xFF
terohoo 0:58c4f13c4b9a 34 } coap_version_e;
terohoo 0:58c4f13c4b9a 35
screamer 1:01d723824294 36 /**
screamer 1:01d723824294 37 * Enumeration for CoAP Message type, used in CoAP Header
screamer 1:01d723824294 38 */
terohoo 0:58c4f13c4b9a 39 typedef enum sn_coap_msg_type_
terohoo 0:58c4f13c4b9a 40 {
screamer 1:01d723824294 41 COAP_MSG_TYPE_CONFIRMABLE = 0x00, /**< User uses this for Reliable Request messages */
screamer 1:01d723824294 42 COAP_MSG_TYPE_NON_CONFIRMABLE = 0x10, /**< User uses this for Non-reliable Request and Response messages */
screamer 1:01d723824294 43 COAP_MSG_TYPE_ACKNOWLEDGEMENT = 0x20, /**< User uses this for Response to a Confirmable Request */
screamer 1:01d723824294 44 COAP_MSG_TYPE_RESET = 0x30 /**< User uses this to answer a Bad Request */
terohoo 0:58c4f13c4b9a 45 } sn_coap_msg_type_e;
terohoo 0:58c4f13c4b9a 46
screamer 1:01d723824294 47 /**
screamer 1:01d723824294 48 * Enumeration for CoAP Message code, used in CoAP Header
screamer 1:01d723824294 49 */
terohoo 0:58c4f13c4b9a 50 typedef enum sn_coap_msg_code_
terohoo 0:58c4f13c4b9a 51 {
terohoo 0:58c4f13c4b9a 52 COAP_MSG_CODE_EMPTY = 0,
terohoo 0:58c4f13c4b9a 53 COAP_MSG_CODE_REQUEST_GET = 1,
terohoo 0:58c4f13c4b9a 54 COAP_MSG_CODE_REQUEST_POST = 2,
terohoo 0:58c4f13c4b9a 55 COAP_MSG_CODE_REQUEST_PUT = 3,
terohoo 0:58c4f13c4b9a 56 COAP_MSG_CODE_REQUEST_DELETE = 4,
terohoo 0:58c4f13c4b9a 57
terohoo 0:58c4f13c4b9a 58 COAP_MSG_CODE_RESPONSE_CREATED = 65,
terohoo 0:58c4f13c4b9a 59 COAP_MSG_CODE_RESPONSE_DELETED = 66,
terohoo 0:58c4f13c4b9a 60 COAP_MSG_CODE_RESPONSE_VALID = 67,
terohoo 0:58c4f13c4b9a 61 COAP_MSG_CODE_RESPONSE_CHANGED = 68,
terohoo 0:58c4f13c4b9a 62 COAP_MSG_CODE_RESPONSE_CONTENT = 69,
terohoo 0:58c4f13c4b9a 63 COAP_MSG_CODE_RESPONSE_BAD_REQUEST = 128,
terohoo 0:58c4f13c4b9a 64 COAP_MSG_CODE_RESPONSE_UNAUTHORIZED = 129,
terohoo 0:58c4f13c4b9a 65 COAP_MSG_CODE_RESPONSE_BAD_OPTION = 130,
terohoo 0:58c4f13c4b9a 66 COAP_MSG_CODE_RESPONSE_FORBIDDEN = 131,
terohoo 0:58c4f13c4b9a 67 COAP_MSG_CODE_RESPONSE_NOT_FOUND = 132,
terohoo 0:58c4f13c4b9a 68 COAP_MSG_CODE_RESPONSE_METHOD_NOT_ALLOWED = 133,
terohoo 0:58c4f13c4b9a 69 COAP_MSG_CODE_RESPONSE_NOT_ACCEPTABLE = 134,
terohoo 0:58c4f13c4b9a 70 COAP_MSG_CODE_RESPONSE_REQUEST_ENTITY_INCOMPLETE = 136, /* Block */
terohoo 0:58c4f13c4b9a 71 COAP_MSG_CODE_RESPONSE_PRECONDITION_FAILED = 140,
terohoo 0:58c4f13c4b9a 72 COAP_MSG_CODE_RESPONSE_REQUEST_ENTITY_TOO_LARGE = 141,
terohoo 0:58c4f13c4b9a 73 COAP_MSG_CODE_RESPONSE_UNSUPPORTED_CONTENT_FORMAT = 143,
terohoo 0:58c4f13c4b9a 74 COAP_MSG_CODE_RESPONSE_INTERNAL_SERVER_ERROR = 160,
terohoo 0:58c4f13c4b9a 75 COAP_MSG_CODE_RESPONSE_NOT_IMPLEMENTED = 161,
terohoo 0:58c4f13c4b9a 76 COAP_MSG_CODE_RESPONSE_BAD_GATEWAY = 162,
terohoo 0:58c4f13c4b9a 77 COAP_MSG_CODE_RESPONSE_SERVICE_UNAVAILABLE = 163,
terohoo 0:58c4f13c4b9a 78 COAP_MSG_CODE_RESPONSE_GATEWAY_TIMEOUT = 164,
terohoo 0:58c4f13c4b9a 79 COAP_MSG_CODE_RESPONSE_PROXYING_NOT_SUPPORTED = 165
terohoo 0:58c4f13c4b9a 80 } sn_coap_msg_code_e;
terohoo 0:58c4f13c4b9a 81
screamer 1:01d723824294 82 /**
screamer 1:01d723824294 83 * Enumeration for CoAP Option number, used in CoAP Header
screamer 1:01d723824294 84 */
terohoo 0:58c4f13c4b9a 85 typedef enum sn_coap_option_numbers_
terohoo 0:58c4f13c4b9a 86 {
terohoo 0:58c4f13c4b9a 87 COAP_OPTION_IF_MATCH = 1,
terohoo 0:58c4f13c4b9a 88 COAP_OPTION_URI_HOST = 3,
terohoo 0:58c4f13c4b9a 89 COAP_OPTION_ETAG = 4,
terohoo 0:58c4f13c4b9a 90 COAP_OPTION_IF_NONE_MATCH = 5,
terohoo 0:58c4f13c4b9a 91 COAP_OPTION_OBSERVE = 6,
terohoo 0:58c4f13c4b9a 92 COAP_OPTION_URI_PORT = 7,
terohoo 0:58c4f13c4b9a 93 COAP_OPTION_LOCATION_PATH = 8,
terohoo 0:58c4f13c4b9a 94 COAP_OPTION_URI_PATH = 11,
terohoo 0:58c4f13c4b9a 95 COAP_OPTION_CONTENT_FORMAT = 12,
terohoo 0:58c4f13c4b9a 96 COAP_OPTION_MAX_AGE = 14,
terohoo 0:58c4f13c4b9a 97 COAP_OPTION_URI_QUERY = 15,
terohoo 0:58c4f13c4b9a 98 COAP_OPTION_ACCEPT = 17,
terohoo 0:58c4f13c4b9a 99 COAP_OPTION_LOCATION_QUERY = 20,
terohoo 0:58c4f13c4b9a 100 COAP_OPTION_BLOCK2 = 23,
terohoo 0:58c4f13c4b9a 101 COAP_OPTION_BLOCK1 = 27,
terohoo 0:58c4f13c4b9a 102 COAP_OPTION_PROXY_URI = 35,
terohoo 0:58c4f13c4b9a 103 COAP_OPTION_PROXY_SCHEME = 39,
terohoo 0:58c4f13c4b9a 104 COAP_OPTION_SIZE1 = 60
terohoo 0:58c4f13c4b9a 105 // 128 = (Reserved)
terohoo 0:58c4f13c4b9a 106 // 132 = (Reserved)
terohoo 0:58c4f13c4b9a 107 // 136 = (Reserved)
terohoo 0:58c4f13c4b9a 108 } sn_coap_option_numbers_e;
terohoo 0:58c4f13c4b9a 109
screamer 1:01d723824294 110 /**
screamer 1:01d723824294 111 * Enumeration for CoAP Content Format codes
screamer 1:01d723824294 112 */
terohoo 0:58c4f13c4b9a 113 typedef enum sn_coap_content_format_
terohoo 0:58c4f13c4b9a 114 {
terohoo 0:58c4f13c4b9a 115 COAP_CT_NONE = -1,
terohoo 0:58c4f13c4b9a 116 COAP_CT_TEXT_PLAIN = 0,
terohoo 0:58c4f13c4b9a 117 COAP_CT_LINK_FORMAT = 40,
terohoo 0:58c4f13c4b9a 118 COAP_CT_XML = 41,
terohoo 0:58c4f13c4b9a 119 COAP_CT_OCTET_STREAM = 42,
terohoo 0:58c4f13c4b9a 120 COAP_CT_EXI = 47,
terohoo 0:58c4f13c4b9a 121 COAP_CT_JSON = 50,
terohoo 0:58c4f13c4b9a 122 } sn_coap_content_format_e;
terohoo 0:58c4f13c4b9a 123
screamer 1:01d723824294 124 /**
screamer 1:01d723824294 125 * Enumeration for CoAP status, used in CoAP Header
screamer 1:01d723824294 126 */
terohoo 0:58c4f13c4b9a 127 typedef enum sn_coap_status_
terohoo 0:58c4f13c4b9a 128 {
screamer 1:01d723824294 129 COAP_STATUS_OK = 0, /**< Default value is OK */
screamer 1:01d723824294 130 COAP_STATUS_PARSER_ERROR_IN_HEADER = 1, /**< CoAP will send Reset message to invalid message sender */
screamer 1:01d723824294 131 COAP_STATUS_PARSER_DUPLICATED_MSG = 2, /**< CoAP will send Acknowledgement message to duplicated message sender */
screamer 1:01d723824294 132 COAP_STATUS_PARSER_BLOCKWISE_MSG_RECEIVING = 3, /**< User will get whole message after all message blocks received.
screamer 1:01d723824294 133 User must release messages with this status. */
screamer 1:01d723824294 134 COAP_STATUS_PARSER_BLOCKWISE_ACK = 4, /**< Acknowledgement for sent Blockwise message received */
screamer 1:01d723824294 135 COAP_STATUS_PARSER_BLOCKWISE_MSG_REJECTED = 5, /**< Blockwise message received but not supported by compiling switch */
screamer 1:01d723824294 136 COAP_STATUS_PARSER_BLOCKWISE_MSG_RECEIVED = 6 /**< Blockwise message fully received and returned to app.
screamer 1:01d723824294 137 User must take care of releasing whole payload of the blockwise messages */
terohoo 0:58c4f13c4b9a 138 } sn_coap_status_e;
terohoo 0:58c4f13c4b9a 139
terohoo 0:58c4f13c4b9a 140
terohoo 0:58c4f13c4b9a 141 /* * * * * * * * * * * * * */
terohoo 0:58c4f13c4b9a 142 /* * * * STRUCTURES * * * */
terohoo 0:58c4f13c4b9a 143 /* * * * * * * * * * * * * */
terohoo 0:58c4f13c4b9a 144
screamer 1:01d723824294 145 /**
screamer 1:01d723824294 146 * Structure for CoAP Options
screamer 1:01d723824294 147 */
terohoo 0:58c4f13c4b9a 148 typedef struct sn_coap_options_list_
terohoo 0:58c4f13c4b9a 149 {
terohoo 0:58c4f13c4b9a 150
terohoo 0:58c4f13c4b9a 151 /* If-Match */
terohoo 0:58c4f13c4b9a 152 /* If-None-Match */
terohoo 0:58c4f13c4b9a 153 /* Size */
terohoo 0:58c4f13c4b9a 154 /* Proxy-Scheme */
terohoo 0:58c4f13c4b9a 155
screamer 1:01d723824294 156 uint8_t max_age_len; /**< 0-4 bytes. */
screamer 1:01d723824294 157 uint8_t *max_age_ptr; /**< Must be set to NULL if not used */
terohoo 0:58c4f13c4b9a 158
screamer 1:01d723824294 159 uint16_t proxy_uri_len; /**< 1-1034 bytes. */
screamer 1:01d723824294 160 uint8_t *proxy_uri_ptr; /**< Must be set to NULL if not used */
terohoo 0:58c4f13c4b9a 161
screamer 1:01d723824294 162 uint8_t etag_len; /**< 1-8 bytes. Repeatable */
screamer 1:01d723824294 163 uint8_t *etag_ptr; /**< Must be set to NULL if not used */
terohoo 0:58c4f13c4b9a 164
screamer 1:01d723824294 165 uint16_t uri_host_len; /**< 1-255 bytes. */
screamer 1:01d723824294 166 uint8_t *uri_host_ptr; /**< Must be set to NULL if not used */
terohoo 0:58c4f13c4b9a 167
screamer 1:01d723824294 168 uint16_t location_path_len; /**< 0-255 bytes. Repeatable */
screamer 1:01d723824294 169 uint8_t *location_path_ptr; /**< Must be set to NULL if not used */
terohoo 0:58c4f13c4b9a 170
screamer 1:01d723824294 171 uint8_t uri_port_len; /**< 0-2 bytes. */
screamer 1:01d723824294 172 uint8_t *uri_port_ptr; /**< Must be set to NULL if not used */
terohoo 0:58c4f13c4b9a 173
screamer 1:01d723824294 174 uint16_t location_query_len; /**< 0-255 bytes. Repeatable */
screamer 1:01d723824294 175 uint8_t *location_query_ptr; /**< Must be set to NULL if not used */
terohoo 0:58c4f13c4b9a 176
terohoo 0:58c4f13c4b9a 177 uint8_t observe;
screamer 1:01d723824294 178 uint8_t observe_len; /**< 0-2 bytes. */
screamer 1:01d723824294 179 uint8_t *observe_ptr; /**< Must be set to NULL if not used */
terohoo 0:58c4f13c4b9a 180
screamer 1:01d723824294 181 uint8_t accept_len; /**< 0-2 bytes. Repeatable */
screamer 1:01d723824294 182 uint8_t *accept_ptr; /**< Must be set to NULL if not used */
terohoo 0:58c4f13c4b9a 183
screamer 1:01d723824294 184 uint16_t uri_query_len; /**< 1-255 bytes. Repeatable */
screamer 1:01d723824294 185 uint8_t *uri_query_ptr; /**< Must be set to NULL if not used */
terohoo 0:58c4f13c4b9a 186
screamer 1:01d723824294 187 uint8_t block1_len; /**< 0-3 bytes. */
screamer 1:01d723824294 188 uint8_t *block1_ptr; /**< Not for User */
terohoo 0:58c4f13c4b9a 189
screamer 1:01d723824294 190 uint8_t block2_len; /**< 0-3 bytes. */
screamer 1:01d723824294 191 uint8_t *block2_ptr; /**< Not for User */
terohoo 0:58c4f13c4b9a 192 } sn_coap_options_list_s;
terohoo 0:58c4f13c4b9a 193
screamer 1:01d723824294 194
terohoo 0:58c4f13c4b9a 195 /* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! */
terohoo 0:58c4f13c4b9a 196 /* !!! Main CoAP message struct !!! */
terohoo 0:58c4f13c4b9a 197 /* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! */
screamer 1:01d723824294 198
screamer 1:01d723824294 199 /**
screamer 1:01d723824294 200 * Main CoAP message struct
screamer 1:01d723824294 201 */
terohoo 0:58c4f13c4b9a 202 typedef struct sn_coap_hdr_
terohoo 0:58c4f13c4b9a 203 {
screamer 1:01d723824294 204 sn_coap_status_e coap_status; /**< Used for telling to User special cases when parsing message */
terohoo 0:58c4f13c4b9a 205
terohoo 0:58c4f13c4b9a 206 /* * * * * * * * * * * */
terohoo 0:58c4f13c4b9a 207 /* * * * Header * * * */
terohoo 0:58c4f13c4b9a 208 /* * * * * * * * * * * */
terohoo 0:58c4f13c4b9a 209
screamer 1:01d723824294 210 sn_coap_msg_type_e msg_type; /**< Confirmable, Non-Confirmable, Acknowledgement or Reset */
screamer 1:01d723824294 211 sn_coap_msg_code_e msg_code; /**< Empty: 0; Requests: 1-31; Responses: 64-191 */
screamer 1:01d723824294 212 uint16_t msg_id; /**< Message ID. Parser sets parsed message ID, builder sets message ID of built coap message */
terohoo 0:58c4f13c4b9a 213
terohoo 0:58c4f13c4b9a 214 /* * * * * * * * * * * */
terohoo 0:58c4f13c4b9a 215 /* * * * Options * * * */
terohoo 0:58c4f13c4b9a 216 /* * * * * * * * * * * */
terohoo 0:58c4f13c4b9a 217
terohoo 0:58c4f13c4b9a 218 /* Here are most often used Options */
terohoo 0:58c4f13c4b9a 219
screamer 1:01d723824294 220 uint16_t uri_path_len; /**< 0-255 bytes. Repeatable. */
screamer 1:01d723824294 221 uint8_t *uri_path_ptr; /**< Must be set to NULL if not used. E.g: temp1/temp2 */
terohoo 0:58c4f13c4b9a 222
screamer 1:01d723824294 223 uint8_t token_len; /**< 1-8 bytes. */
screamer 1:01d723824294 224 uint8_t *token_ptr; /**< Must be set to NULL if not used */
terohoo 0:58c4f13c4b9a 225
terohoo 0:58c4f13c4b9a 226 /* todo: COAP12 - content type ptr as a content_type_e */
screamer 1:01d723824294 227 uint8_t content_type_len; /**< 0-2 bytes. */
screamer 1:01d723824294 228 uint8_t *content_type_ptr; /**< Must be set to NULL if not used */
terohoo 0:58c4f13c4b9a 229
terohoo 0:58c4f13c4b9a 230 /* Here are not so often used Options */
screamer 1:01d723824294 231 sn_coap_options_list_s *options_list_ptr; /**< Must be set to NULL if not used */
terohoo 0:58c4f13c4b9a 232
terohoo 0:58c4f13c4b9a 233 /* * * * * * * * * * * */
terohoo 0:58c4f13c4b9a 234 /* * * * Payload * * * */
terohoo 0:58c4f13c4b9a 235 /* * * * * * * * * * * */
terohoo 0:58c4f13c4b9a 236
screamer 1:01d723824294 237 uint16_t payload_len; /**< Must be set to zero if not used */
screamer 1:01d723824294 238 uint8_t *payload_ptr; /**< Must be set to NULL if not used */
terohoo 0:58c4f13c4b9a 239 } sn_coap_hdr_s;
terohoo 0:58c4f13c4b9a 240
terohoo 0:58c4f13c4b9a 241 /* * * * * * * * * * * * * * * * * * * * * * */
terohoo 0:58c4f13c4b9a 242 /* * * * EXTERNAL FUNCTION PROTOTYPES * * * */
terohoo 0:58c4f13c4b9a 243 /* * * * * * * * * * * * * * * * * * * * * * */
terohoo 0:58c4f13c4b9a 244
screamer 2:ab50a2ab6ec9 245 /**
screamer 2:ab50a2ab6ec9 246 * This function sets the memory allocation and deallocation functions the library will use, and must be called first.
screamer 2:ab50a2ab6ec9 247 */
terohoo 0:58c4f13c4b9a 248 extern void sn_coap_builder_and_parser_init(void* (*used_malloc_func_ptr)(uint16_t), void (*used_free_func_ptr)(void*));
screamer 2:ab50a2ab6ec9 249
screamer 2:ab50a2ab6ec9 250 /**
screamer 2:ab50a2ab6ec9 251 * Use to parse an incoming message buffer to a CoAP header structure.
screamer 2:ab50a2ab6ec9 252 */
terohoo 0:58c4f13c4b9a 253 extern sn_coap_hdr_s *sn_coap_parser(uint16_t packet_data_len, uint8_t *packet_data_ptr, coap_version_e *coap_version_ptr);
screamer 2:ab50a2ab6ec9 254
screamer 2:ab50a2ab6ec9 255 /**
screamer 2:ab50a2ab6ec9 256 * This function releases any memory allocated by a CoAP message structure.
screamer 2:ab50a2ab6ec9 257 */
screamer 2:ab50a2ab6ec9 258 extern void sn_coap_parser_release_allocated_coap_msg_mem(sn_coap_hdr_s *freed_coap_msg_ptr);
screamer 2:ab50a2ab6ec9 259
screamer 2:ab50a2ab6ec9 260 /**
screamer 2:ab50a2ab6ec9 261 * Use to build an outgoing message buffer from a CoAP header structure.
screamer 2:ab50a2ab6ec9 262 */
terohoo 0:58c4f13c4b9a 263 extern int16_t sn_coap_builder(uint8_t *dst_packet_data_ptr, sn_coap_hdr_s *src_coap_msg_ptr);
screamer 2:ab50a2ab6ec9 264
screamer 2:ab50a2ab6ec9 265 /**
screamer 2:ab50a2ab6ec9 266 * Use to calculate the needed message buffer size from a CoAP message structure.
screamer 2:ab50a2ab6ec9 267 */
terohoo 0:58c4f13c4b9a 268 extern uint16_t sn_coap_builder_calc_needed_packet_data_size(sn_coap_hdr_s *src_coap_msg_ptr);
screamer 2:ab50a2ab6ec9 269
screamer 2:ab50a2ab6ec9 270 /**
screamer 2:ab50a2ab6ec9 271 * This function releases any memory allocated in sn_nsdl_transmit_s
screamer 2:ab50a2ab6ec9 272 */
terohoo 0:58c4f13c4b9a 273 extern void sn_coap_builder_release_allocated_send_msg_mem(sn_nsdl_transmit_s *freed_send_msg_ptr);
screamer 2:ab50a2ab6ec9 274
screamer 2:ab50a2ab6ec9 275 /**
screamer 2:ab50a2ab6ec9 276 * Use to automate the building of a response to an incoming request.
screamer 2:ab50a2ab6ec9 277 */
terohoo 0:58c4f13c4b9a 278 extern sn_coap_hdr_s *sn_coap_build_response(sn_coap_hdr_s *coap_packet_ptr, uint8_t msg_code);
screamer 2:ab50a2ab6ec9 279
screamer 2:ab50a2ab6ec9 280 /**
screamer 2:ab50a2ab6ec9 281 * CoAP packet debugging.
screamer 2:ab50a2ab6ec9 282 */
terohoo 0:58c4f13c4b9a 283 extern void sn_coap_packet_debug(sn_coap_hdr_s *coap_packet_ptr);
terohoo 0:58c4f13c4b9a 284
terohoo 0:58c4f13c4b9a 285 #endif /* SN_COAP_HEADER_H_ */
terohoo 0:58c4f13c4b9a 286
terohoo 0:58c4f13c4b9a 287 #ifdef __cplusplus
terohoo 0:58c4f13c4b9a 288 }
terohoo 0:58c4f13c4b9a 289 #endif