feat(bt/bluedroid): Support OBEX over L2CAP
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linruihao
@@ -0,0 +1,73 @@
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/*
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* SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#pragma once
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#include "common/bt_target.h"
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#include "stack/obex_api.h"
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#include "obex_tl.h"
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#include "obex_tl_l2cap.h"
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#if (OBEX_INCLUDED == TRUE)
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#define OBEX_BT_HDR_MIN_OFFSET OBEX_TL_L2CAP_BT_HDR_MIN_OFFSET /* should set to max value of all transport layer */
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#define OBEX_ROLE_CLIENT 0x01
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#define OBEX_ROLE_SERVER 0x02
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/* OBEX connection state */
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#define OBEX_STATE_IDLE 0 /* No connection */
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#define OBEX_STATE_OPENING 1 /* Starting to open a connection */
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#define OBEX_STATE_OPENED 2 /* Connection opened */
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/* Store 16 bits data in big endian format, not modify the p_buf */
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#define STORE16BE(p_buf, data) do { *p_buf = ((data)>>8)&0xff; \
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*(p_buf+1) = (data)&0xff;} while(0)
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/* OBEX Connection Control block */
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typedef struct {
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tOBEX_MSG_CBACK *callback; /* Connection msg callback function */
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UINT16 tl_hdl; /* Transport layer non-zeros connection handle*/
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UINT16 tl_peer_mtu; /* Transport layer peer mtu */
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UINT16 tl_our_mtu; /* Transport layer our mtu */
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UINT8 tl_cong; /* 1 if transport layer congestion, otherwise 0 */
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UINT8 tl; /* OBEX_OVER_L2CAP or OBEX_OVER_RFCOMM */
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UINT8 allocated; /* 0, not allocated. index+1, otherwise. equal to api handle */
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UINT8 state; /* This OBEX connection state */
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UINT8 role; /* This OBEX connection role */
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} tOBEX_CCB;
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/* OBEX Server Control block */
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typedef struct {
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tOBEX_MSG_CBACK *callback; /* Connection msg callback function */
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UINT16 tl_hdl; /* Transport layer non-zeros server handle*/
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UINT8 tl; /* OBEX_OVER_L2CAP or OBEX_OVER_RFCOMM */
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UINT8 allocated; /* 0, not allocated. index+1, otherwise. */
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} tOBEX_SCB;
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/* OBEX Control block */
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typedef struct {
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tOBEX_CCB ccb[OBEX_MAX_CONNECTION]; /* connection control blocks */
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tOBEX_SCB scb[OBEX_MAX_SERVER]; /* server control blocks */
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tOBEX_TL_OPS *tl_ops[OBEX_NUM_TL]; /* transport operation function pointer */
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UINT8 trace_level; /* trace level */
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} tOBEX_CB;
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#if OBEX_DYNAMIC_MEMORY == FALSE
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extern tOBEX_CB obex_cb;
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#else
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extern tOBEX_CB *obex_cb_ptr;
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#define obex_cb (*obex_cb_ptr)
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#endif
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void obex_tl_l2cap_callback(tOBEX_TL_EVT evt, tOBEX_TL_MSG *msg);
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tOBEX_CCB *obex_allocate_ccb(void);
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tOBEX_SCB *obex_allocate_scb(void);
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void obex_free_ccb(tOBEX_CCB *p_ccb);
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void obex_free_scb(tOBEX_SCB *p_scb);
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#endif /* #if (OBEX_INCLUDED == TRUE) */
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@@ -0,0 +1,88 @@
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/*
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* SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#pragma once
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#include "common/bt_target.h"
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#if (OBEX_INCLUDED == TRUE)
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/* Return code of obex_tl_send_data */
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#define OBEX_TL_FAILED FALSE
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#define OBEX_TL_SUCCESS TRUE
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#define OBEX_TL_CONGESTED 2
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typedef enum {
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OBEX_TL_CONN_OPEN_EVT,
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OBEX_TL_CONN_INCOME_EVT,
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OBEX_TL_DIS_CONN_EVT,
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OBEX_TL_CONGEST_EVT,
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OBEX_TL_UNCONGEST_EVT,
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OBEX_TL_MTU_CHANGE_EVT,
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OBEX_TL_DATA_EVT
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} tOBEX_TL_EVT;
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typedef union {
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/* general struct, used to retrieve handle */
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struct {
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UINT16 hdl;
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} any;
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/* struct for OBEX_TL_CONN_OPEN_EVT */
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struct {
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UINT16 hdl;
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UINT16 peer_mtu;
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UINT16 our_mtu;
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} conn_open;
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/* struct for OBEX_TL_CONN_INCOME_EVT */
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struct {
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UINT16 hdl;
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UINT16 peer_mtu;
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UINT16 our_mtu;
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UINT16 svr_hdl;
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} conn_income;
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/* struct for OBEX_TL_MTU_CHANGE_EVT */
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struct {
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UINT16 hdl;
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UINT16 peer_mtu;
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UINT16 our_mtu;
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} mtu_chg;
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/* struct for OBEX_TL_DATA_EVT */
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struct {
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UINT16 hdl;
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BT_HDR *p_buf;
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} data;
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} tOBEX_TL_MSG;
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typedef struct
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{
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UINT16 psm; /* l2cap psm */
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UINT16 sec_mask; /* security mask */
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UINT16 pref_mtu; /* preferred mtu, limited by L2CAP_MTU_SIZE */
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BD_ADDR addr; /* peer bluetooth device address */
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} tOBEX_TL_L2CAP_SVR;
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typedef union
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{
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tOBEX_TL_L2CAP_SVR l2cap;
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} tOBEX_TL_SVR_INFO;
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typedef void (tOBEX_TL_CBACK)(tOBEX_TL_EVT evt, tOBEX_TL_MSG *msg);
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typedef struct {
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void (*init)(tOBEX_TL_CBACK *callback);
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void (*deinit)(void);
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UINT16 (*connect)(tOBEX_TL_SVR_INFO *server);
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void (*disconnect)(UINT16 tl_hdl);
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UINT16 (*send)(UINT16 tl_hdl, BT_HDR *p_buf);
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UINT16 (*bind)(tOBEX_TL_SVR_INFO *server);
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void (*unbind)(UINT16 tl_hdl);
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} tOBEX_TL_OPS;
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#endif /* #if (OBEX_INCLUDED == TRUE) */
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@@ -0,0 +1,17 @@
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/*
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* SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#pragma once
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#include "obex_tl.h"
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#if (OBEX_INCLUDED == TRUE)
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#define OBEX_TL_L2CAP_BT_HDR_MIN_OFFSET 13 /* L2CAP_MIN_OFFSET */
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tOBEX_TL_OPS *obex_tl_l2cap_ops_get(void);
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#endif /* #if (OBEX_INCLUDED == TRUE) */
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