pinebuds/services/bt_profiles_enhanced/inc/data_link.h
2022-08-15 17:20:27 +08:00

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1.8 KiB
C

/***************************************************************************
*
* Copyright 2015-2019 BES.
* All rights reserved. All unpublished rights reserved.
*
* No part of this work may be used or reproduced in any form or by any
* means, or stored in a database or retrieval system, without prior written
* permission of BES.
*
* Use of this work is governed by a license granted by BES.
* This work contains confidential and proprietary information of
* BES. which is protected by copyright, trade secret,
* trademark and other intellectual property rights.
*
****************************************************************************/
#ifndef __DATA_LINK_H__
#define __DATA_LINK_H__
#include "bt_co_list.h"
#ifdef __cplusplus
extern "C" {
#endif
enum data_link_type {
DL_TYPE_VALUE_U8 = 0,
DL_TYPE_VALUE_U16,
DL_TYPE_VALUE_U32,
DL_TYPE_VALUE_S8,
DL_TYPE_VALUE_S16,
DL_TYPE_VALUE_S32,
DL_TYPE_VALUE_FLOAT,
DL_TYPE_VALUE_DOUBLE,
DL_TYPE_BUFFER,
};
struct data_link {
struct list_node node;
enum data_link_type type;
uint32 len;
union {
unsigned char _u8;
unsigned short _u16;
unsigned int _u32;
unsigned char _s8;
unsigned short _s16;
unsigned int _s32;
//float _float;
//double _double;
uint8 *_ptr;
} data;
};
#define link_to_tail(data,head) \
colist_addto_tail(data,head)
#define iter_data_link(head,node) \
colist_iterate_entry(node,struct data_link,&head->node,node)
#define data_link_total_len(head,p) \
{ \
uint32 _total_len = 0; \
struct data_link *node = NULL; \
iter_data_link(head, node) { \
_total_len += node->len; \
} \
*p = _total_len; \
}
#ifdef __cplusplus
}
#endif
#endif /* __DATA_LINK_H__ */