221 lines
7.4 KiB
C
221 lines
7.4 KiB
C
/******************************************************************************
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*
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* Copyright (C) 2004-2012 Broadcom Corporation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may 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,
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* WITHOUT 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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/******************************************************************************
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*
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* This is the private interface file for the BTA data gateway.
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*
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******************************************************************************/
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#ifndef BTA_PAN_INT_H
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#define BTA_PAN_INT_H
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#include "osi/include/fixed_queue.h"
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#include "bta_sys.h"
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#include "bta_pan_api.h"
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/*****************************************************************************
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** Constants
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*****************************************************************************/
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/* PAN events */
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enum
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{
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/* these events are handled by the state machine */
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BTA_PAN_API_CLOSE_EVT = BTA_SYS_EVT_START(BTA_ID_PAN),
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BTA_PAN_CI_TX_READY_EVT,
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BTA_PAN_CI_RX_READY_EVT,
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BTA_PAN_CI_TX_FLOW_EVT,
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BTA_PAN_CI_RX_WRITE_EVT,
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BTA_PAN_CI_RX_WRITEBUF_EVT,
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BTA_PAN_CONN_OPEN_EVT,
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BTA_PAN_CONN_CLOSE_EVT,
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BTA_PAN_BNEP_FLOW_ENABLE_EVT,
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BTA_PAN_RX_FROM_BNEP_READY_EVT,
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/* these events are handled outside of the state machine */
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BTA_PAN_API_ENABLE_EVT,
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BTA_PAN_API_DISABLE_EVT,
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BTA_PAN_API_SET_ROLE_EVT,
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BTA_PAN_API_OPEN_EVT
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};
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/* state machine states */
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enum
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{
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BTA_PAN_IDLE_ST,
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BTA_PAN_OPEN_ST,
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BTA_PAN_CLOSING_ST
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};
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/*****************************************************************************
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** Data types
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*****************************************************************************/
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/* data type for BTA_PAN_API_ENABLE_EVT */
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typedef struct
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{
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BT_HDR hdr; /* Event header */
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tBTA_PAN_CBACK *p_cback; /* PAN callback function */
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} tBTA_PAN_API_ENABLE;
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/* data type for BTA_PAN_API_REG_ROLE_EVT */
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typedef struct
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{
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BT_HDR hdr; /* Event header */
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char user_name[BTA_SERVICE_NAME_LEN+1]; /* Service name */
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char gn_name[BTA_SERVICE_NAME_LEN+1]; /* Service name */
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char nap_name[BTA_SERVICE_NAME_LEN+1]; /* Service name */
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tBTA_PAN_ROLE role;
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UINT8 user_app_id;
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UINT8 gn_app_id;
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UINT8 nap_app_id;
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tBTA_SEC user_sec_mask; /* Security mask */
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tBTA_SEC gn_sec_mask; /* Security mask */
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tBTA_SEC nap_sec_mask; /* Security mask */
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} tBTA_PAN_API_SET_ROLE;
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/* data type for BTA_PAN_API_OPEN_EVT */
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typedef struct
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{
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BT_HDR hdr; /* Event header */
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tBTA_PAN_ROLE local_role; /* local role */
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tBTA_PAN_ROLE peer_role; /* peer role */
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BD_ADDR bd_addr; /* peer bdaddr */
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} tBTA_PAN_API_OPEN;
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/* data type for BTA_PAN_CI_TX_FLOW_EVT */
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typedef struct
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{
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BT_HDR hdr; /* Event header */
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BOOLEAN enable; /* Flow control setting */
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} tBTA_PAN_CI_TX_FLOW;
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/* data type for BTA_PAN_CONN_OPEN_EVT */
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typedef struct
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{
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BT_HDR hdr; /* Event header */
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tPAN_RESULT result;
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} tBTA_PAN_CONN;
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/* union of all data types */
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typedef union
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{
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BT_HDR hdr;
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tBTA_PAN_API_ENABLE api_enable;
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tBTA_PAN_API_SET_ROLE api_set_role;
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tBTA_PAN_API_OPEN api_open;
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tBTA_PAN_CI_TX_FLOW ci_tx_flow;
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tBTA_PAN_CONN conn;
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} tBTA_PAN_DATA;
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/* state machine control block */
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typedef struct
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{
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BD_ADDR bd_addr; /* peer bdaddr */
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fixed_queue_t *data_queue; /* Queue of buffers waiting to be passed to application */
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UINT16 handle; /* BTA PAN/BNEP handle */
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BOOLEAN in_use; /* scb in use */
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tBTA_SEC sec_mask; /* Security mask */
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BOOLEAN pan_flow_enable;/* BNEP flow control state */
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BOOLEAN app_flow_enable;/* Application flow control state */
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UINT8 state; /* State machine state */
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tBTA_PAN_ROLE local_role; /* local role */
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tBTA_PAN_ROLE peer_role; /* peer role */
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UINT8 app_id; /* application id for the connection */
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} tBTA_PAN_SCB;
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/* main control block */
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typedef struct
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{
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tBTA_PAN_SCB scb[BTA_PAN_NUM_CONN]; /* state machine control blocks */
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tBTA_PAN_CBACK *p_cback; /* PAN callback function */
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UINT8 app_id[3]; /* application id for PAN roles */
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UINT8 flow_mask; /* Data flow mask */
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UINT8 q_level; /* queue level set by application for TX data */
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} tBTA_PAN_CB;
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/* pan data param */
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typedef struct
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{
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BT_HDR hdr;
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BD_ADDR src;
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BD_ADDR dst;
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UINT16 protocol;
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BOOLEAN ext;
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BOOLEAN forward;
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} tBTA_PAN_DATA_PARAMS;
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/*****************************************************************************
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** Global data
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*****************************************************************************/
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/* PAN control block */
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#if BTA_DYNAMIC_MEMORY == FALSE
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extern tBTA_PAN_CB bta_pan_cb;
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#else
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extern tBTA_PAN_CB *bta_pan_cb_ptr;
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#define bta_pan_cb (*bta_pan_cb_ptr)
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#endif
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/*****************************************************************************
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** Function prototypes
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*****************************************************************************/
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extern tBTA_PAN_SCB *bta_pan_scb_alloc(void);
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extern void bta_pan_scb_dealloc(tBTA_PAN_SCB *p_scb);
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extern UINT8 bta_pan_scb_to_idx(tBTA_PAN_SCB *p_scb);
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extern tBTA_PAN_SCB *bta_pan_scb_by_handle(UINT16 handle);
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extern BOOLEAN bta_pan_hdl_event(BT_HDR *p_msg);
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/* action functions */
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extern void bta_pan_enable(tBTA_PAN_DATA *p_data);
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extern void bta_pan_disable(void);
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extern void bta_pan_set_role(tBTA_PAN_DATA *p_data);
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extern void bta_pan_open(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data);
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extern void bta_pan_api_close(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data);
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extern void bta_pan_set_shutdown(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data);
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extern void bta_pan_rx_path(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data);
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extern void bta_pan_tx_path(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data);
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extern void bta_pan_tx_flow(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data);
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extern void bta_pan_conn_open(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data);
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extern void bta_pan_conn_close(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data);
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extern void bta_pan_writebuf(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data);
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extern void bta_pan_write_buf(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data);
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extern void bta_pan_free_buf(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data);
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#endif /* BTA_PAN_INT_H */
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