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79 lines
2.3 KiB
C
79 lines
2.3 KiB
C
/*
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* Copyright (c) 2011-2015 ARM Limited. All rights reserved.
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* SPDX-License-Identifier: Apache-2.0
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* Licensed under the Apache License, Version 2.0 (the License); you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an AS IS BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* \file sn_coap_header_internal.h
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*
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* \brief Header file for CoAP Header part
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*
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef SN_COAP_HEADER_INTERNAL_H_
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#define SN_COAP_HEADER_INTERNAL_H_
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/* * * * * * * * * * * */
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/* * * * DEFINES * * * */
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/* * * * * * * * * * * */
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#define COAP_VERSION COAP_VERSION_1 /* Tells which IETF CoAP specification version the CoAP message supports. */
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/* This value is written to CoAP message header part. */
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/* CoAP Header defines */
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#define COAP_HEADER_LENGTH 4 /* Fixed Header length of CoAP message as bytes */
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#define COAP_HEADER_VERSION_MASK 0xC0
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#define COAP_HEADER_MSG_TYPE_MASK 0x30
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#define COAP_HEADER_TOKEN_LENGTH_MASK 0x0F
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#define COAP_HEADER_MSG_ID_MSB_SHIFT 8
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/* CoAP Options defines */
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#define COAP_OPTIONS_OPTION_NUMBER_SHIFT 4
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/* * * * * * * * * * * * * * */
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/* * * * ENUMERATIONS * * * */
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/* * * * * * * * * * * * * * */
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/* * * * * * * * * * * * * */
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/* * * * STRUCTURES * * * */
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/* * * * * * * * * * * * * */
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/**
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* \brief This structure is returned by sn_coap_exec() for sending
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*/
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typedef struct sn_nsdl_transmit_ {
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uint8_t *packet_ptr;
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uint16_t packet_len;
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sn_nsdl_addr_s dst_addr_ptr;
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sn_nsdl_capab_e protocol;
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} sn_nsdl_transmit_s;
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/* * * * * * * * * * * * * * * * * * * * * * */
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/* * * * EXTERNAL FUNCTION PROTOTYPES * * * */
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/* * * * * * * * * * * * * * * * * * * * * * */
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extern int8_t sn_coap_header_validity_check(const sn_coap_hdr_s *src_coap_msg_ptr, coap_version_e coap_version);
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#endif /* SN_COAP_HEADER_INTERNAL_H_ */
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#ifdef __cplusplus
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}
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#endif
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