140 lines
4.1 KiB
C
Executable File
140 lines
4.1 KiB
C
Executable File
/**
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* \file nwkFrame.h
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*
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* \brief Frame buffers management interface
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*
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* Copyright (C) 2012-2014, Atmel Corporation. All rights reserved.
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*
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* \asf_license_start
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3. The name of Atmel may not be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* 4. This software may only be redistributed and used in connection with an
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* Atmel microcontroller product.
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*
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* THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
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* EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* \asf_license_stop
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*
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* Modification and other use of this code is subject to Atmel's Limited
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* License Agreement (license.txt).
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*
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* $Id: nwkFrame.h 9267 2014-03-18 21:46:19Z ataradov $
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*
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*/
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#ifndef _NWK_FRAME_H_
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#define _NWK_FRAME_H_
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/*- Includes ---------------------------------------------------------------*/
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#include <stdint.h>
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#include "sysTypes.h"
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/*- Definitions ------------------------------------------------------------*/
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#define NWK_FRAME_MAX_PAYLOAD_SIZE 127
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/*- Types ------------------------------------------------------------------*/
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typedef struct PACK NwkFrameHeader_t
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{
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uint16_t macFcf;
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uint8_t macSeq;
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uint16_t macDstPanId;
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uint16_t macDstAddr;
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uint16_t macSrcAddr;
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struct PACK
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{
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uint8_t ackRequest : 1;
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uint8_t security : 1;
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uint8_t linkLocal : 1;
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uint8_t multicast : 1;
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uint8_t reserved : 4;
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} nwkFcf;
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uint8_t nwkSeq;
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uint16_t nwkSrcAddr;
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uint16_t nwkDstAddr;
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struct PACK
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{
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uint8_t nwkSrcEndpoint : 4;
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uint8_t nwkDstEndpoint : 4;
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};
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} NwkFrameHeader_t;
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typedef struct PACK NwkFrameMulticastHeader_t
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{
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uint16_t nonMemberRadius : 4;
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uint16_t maxNonMemberRadius : 4;
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uint16_t memberRadius : 4;
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uint16_t maxMemberRadius : 4;
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} NwkFrameMulticastHeader_t;
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typedef struct NwkFrame_t
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{
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uint8_t state;
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uint8_t size;
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union
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{
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NwkFrameHeader_t header;
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uint8_t data[NWK_FRAME_MAX_PAYLOAD_SIZE];
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};
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uint8_t *payload;
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union
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{
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struct
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{
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uint8_t lqi;
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int8_t rssi;
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} rx;
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struct
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{
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uint8_t status;
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uint16_t timeout;
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uint8_t control;
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void (*confirm)(struct NwkFrame_t *frame);
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} tx;
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};
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} NwkFrame_t;
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/*- Prototypes -------------------------------------------------------------*/
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void nwkFrameInit(void);
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NwkFrame_t *nwkFrameAlloc(void);
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void nwkFrameFree(NwkFrame_t *frame);
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NwkFrame_t *nwkFrameNext(NwkFrame_t *frame);
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void nwkFrameCommandInit(NwkFrame_t *frame);
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/*- Implementations --------------------------------------------------------*/
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/*************************************************************************//**
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*****************************************************************************/
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static inline uint8_t nwkFramePayloadSize(NwkFrame_t *frame)
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{
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return frame->size - (frame->payload - frame->data);
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}
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#endif // _NWK_FRAME_H_
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