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nwkFrame.h
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nwkFrame.h
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#ifdef __cplusplus
extern "C" {
#endif
/**
* \file nwkFrame.h
*
* \brief Frame buffers management interface
*
* Copyright (C) 2012-2014, Atmel Corporation. All rights reserved.
*
* \asf_license_start
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. The name of Atmel may not be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* 4. This software may only be redistributed and used in connection with an
* Atmel microcontroller product.
*
* THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
* EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* \asf_license_stop
*
* $Id: nwkFrame.h 9157 2014-01-28 19:32:53Z ataradov $
*
*/
#ifndef _NWK_FRAME_H_
#define _NWK_FRAME_H_
/*- Includes ---------------------------------------------------------------*/
#include <stdint.h>
#include "sysTypes.h"
/*- Definitions ------------------------------------------------------------*/
#define NWK_FRAME_MAX_PAYLOAD_SIZE 127
/*- Types ------------------------------------------------------------------*/
typedef struct PACK NwkFrameHeader_t
{
uint16_t macFcf;
uint8_t macSeq;
uint16_t macDstPanId;
uint16_t macDstAddr;
uint16_t macSrcAddr;
struct PACK
{
uint8_t ackRequest : 1;
uint8_t security : 1;
uint8_t linkLocal : 1;
uint8_t multicast : 1;
uint8_t reserved : 4;
} nwkFcf;
uint8_t nwkSeq;
uint16_t nwkSrcAddr;
uint16_t nwkDstAddr;
struct PACK
{
uint8_t nwkSrcEndpoint : 4;
uint8_t nwkDstEndpoint : 4;
};
} NwkFrameHeader_t;
typedef struct PACK NwkFrameMulticastHeader_t
{
uint16_t nonMemberRadius : 4;
uint16_t maxNonMemberRadius : 4;
uint16_t memberRadius : 4;
uint16_t maxMemberRadius : 4;
} NwkFrameMulticastHeader_t;
typedef struct NwkFrame_t
{
uint8_t state;
uint8_t size;
union
{
NwkFrameHeader_t header;
uint8_t data[NWK_FRAME_MAX_PAYLOAD_SIZE];
};
uint8_t *payload;
union
{
struct
{
uint8_t lqi;
int8_t rssi;
} rx;
struct
{
uint8_t status;
uint16_t timeout;
uint8_t control;
void (*confirm)(struct NwkFrame_t *frame);
} tx;
};
} NwkFrame_t;
/*- Prototypes -------------------------------------------------------------*/
void nwkFrameInit(void);
NwkFrame_t *nwkFrameAlloc(void);
void nwkFrameFree(NwkFrame_t *frame);
NwkFrame_t *nwkFrameNext(NwkFrame_t *frame);
void nwkFrameCommandInit(NwkFrame_t *frame);
/*- Implementations --------------------------------------------------------*/
/*************************************************************************//**
*****************************************************************************/
static inline uint8_t nwkFramePayloadSize(NwkFrame_t *frame)
{
return frame->size - (frame->payload - frame->data);
}
#endif // _NWK_FRAME_H_
#ifdef __cplusplus
}
#endif