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OVMS3-idf/components/bt/bluedroid/bta/include/bta_sys.h
wangmengyang 90c9ffa975 component/bt: free timer resources after using them 
Bluedroid use a set of timer function pairs such as btu_start_timer/btu_stop_timer, btu_sys_start_timer/btu_sys_stop_timer for use, in a lack of timer release functions. Thus the timers may be exhausted after some event sequence such as repetition of connection/reconnection with different devices. The maximum timer number used in bluedroid is given by ALARM_CBS_NUM which is 30 for now. This bugfix borrowed some update from bluedroid in Andoroid 7.0, which add timer release functions which promote the recycle of timer resources.
2018-01-27 19:03:06 +08:00

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/******************************************************************************
*
* Copyright (C) 2003-2012 Broadcom Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
/******************************************************************************
*
* This is the public interface file for the BTA system manager.
*
******************************************************************************/
#ifndef BTA_SYS_H
#define BTA_SYS_H
#include "bt_target.h"
#include "bt_defs.h"
/*****************************************************************************
** Constants and data types
*****************************************************************************/
/* vendor specific event handler function type */
typedef BOOLEAN (tBTA_SYS_VS_EVT_HDLR)(UINT16 evt, void *p);
/* event handler function type */
typedef BOOLEAN (tBTA_SYS_EVT_HDLR)(BT_HDR *p_msg);
/* disable function type */
typedef void (tBTA_SYS_DISABLE)(void);
/* HW modules */
enum {
BTA_SYS_HW_BLUETOOTH,
BTA_SYS_HW_RT,
BTA_SYS_MAX_HW_MODULES
};
typedef UINT16 tBTA_SYS_HW_MODULE;
#ifndef BTA_DM_NUM_JV_ID
#define BTA_DM_NUM_JV_ID 2
#endif
/* SW sub-systems */
#define BTA_ID_SYS 0 /* system manager */
/* BLUETOOTH PART - from 0 to BTA_ID_BLUETOOTH_MAX */
#define BTA_ID_DM 1 /* device manager */
#define BTA_ID_DM_SEARCH 2 /* device manager search */
#define BTA_ID_DM_SEC 3 /* device manager security */
#define BTA_ID_DG 4 /* data gateway */
#define BTA_ID_AG 5 /* audio gateway */
#define BTA_ID_OPC 6 /* object push client */
#define BTA_ID_OPS 7 /* object push server */
#define BTA_ID_FTS 8 /* file transfer server */
#define BTA_ID_CT 9 /* cordless telephony terminal */
#define BTA_ID_FTC 10 /* file transfer client */
#define BTA_ID_SS 11 /* synchronization server */
#define BTA_ID_PR 12 /* Printer client */
#define BTA_ID_BIC 13 /* Basic Imaging Client */
#define BTA_ID_PAN 14 /* Personal Area Networking */
#define BTA_ID_BIS 15 /* Basic Imaging Server */
#define BTA_ID_ACC 16 /* Advanced Camera Client */
#define BTA_ID_SC 17 /* SIM Card Access server */
#define BTA_ID_AV 18 /* Advanced audio/video */
#define BTA_ID_AVK 19 /* Audio/video sink */
#define BTA_ID_HD 20 /* HID Device */
#define BTA_ID_CG 21 /* Cordless Gateway */
#define BTA_ID_BP 22 /* Basic Printing Client */
#define BTA_ID_HH 23 /* Human Interface Device Host */
#define BTA_ID_PBS 24 /* Phone Book Access Server */
#define BTA_ID_PBC 25 /* Phone Book Access Client */
#define BTA_ID_JV 26 /* Java */
#define BTA_ID_HS 27 /* Headset */
#define BTA_ID_MSE 28 /* Message Server Equipment */
#define BTA_ID_MCE 29 /* Message Client Equipment */
#define BTA_ID_HL 30 /* Health Device Profile*/
#define BTA_ID_GATTC 31 /* GATT Client */
#define BTA_ID_GATTS 32 /* GATT Client */
#define BTA_ID_SDP 33 /* SDP Client */
#define BTA_ID_BLUETOOTH_MAX 34 /* last BT profile */
/* GENERIC */
#define BTA_ID_PRM 38
#define BTA_ID_SYSTEM 39 /* platform-specific */
#define BTA_ID_SWRAP 40 /* Insight script wrapper */
#define BTA_ID_MIP 41 /* Multicase Individual Polling */
#define BTA_ID_RT 42 /* Audio Routing module: This module is always on. */
/* JV */
#define BTA_ID_JV1 44 /* JV1 */
#define BTA_ID_JV2 45 /* JV2 */
#define BTA_ID_MAX (44 + BTA_DM_NUM_JV_ID)
typedef UINT8 tBTA_SYS_ID;
#define BTA_SYS_CONN_OPEN 0x00
#define BTA_SYS_CONN_CLOSE 0x01
#define BTA_SYS_APP_OPEN 0x02
#define BTA_SYS_APP_CLOSE 0x03
#define BTA_SYS_SCO_OPEN 0x04
#define BTA_SYS_SCO_CLOSE 0x05
#define BTA_SYS_CONN_IDLE 0x06
#define BTA_SYS_CONN_BUSY 0x07
/* for link policy */
#define BTA_SYS_PLCY_SET 0x10 /* set the link policy to the given addr */
#define BTA_SYS_PLCY_CLR 0x11 /* clear the link policy to the given addr */
#define BTA_SYS_PLCY_DEF_SET 0x12 /* set the default link policy */
#define BTA_SYS_PLCY_DEF_CLR 0x13 /* clear the default link policy */
#define BTA_SYS_ROLE_CHANGE 0x14 /* role change */
typedef UINT8 tBTA_SYS_CONN_STATUS;
/* Bitmask of sys features */
#define BTA_SYS_FEAT_PCM2 0x0001
#define BTA_SYS_FEAT_PCM2_MASTER 0x0002
/* tBTA_PREF_ROLES */
typedef UINT8 tBTA_SYS_PREF_ROLES;
/* conn callback for role / low power manager*/
typedef void (tBTA_SYS_CONN_CBACK)(tBTA_SYS_CONN_STATUS status, UINT8 id, UINT8 app_id, BD_ADDR peer_addr);
/* conn callback for role / low power manager*/
typedef void (tBTA_SYS_SSR_CFG_CBACK)(UINT8 id, UINT8 app_id, UINT16 latency, UINT16 tout);
#if (BTA_EIR_CANNED_UUID_LIST != TRUE)
/* eir callback for adding/removeing UUID */
typedef void (tBTA_SYS_EIR_CBACK)(UINT16 uuid16, BOOLEAN adding);
#endif
/* registration structure */
typedef struct {
tBTA_SYS_EVT_HDLR *evt_hdlr;
tBTA_SYS_DISABLE *disable;
} tBTA_SYS_REG;
/* data type to send events to BTA SYS HW manager */
typedef struct {
BT_HDR hdr;
tBTA_SYS_HW_MODULE hw_module;
} tBTA_SYS_HW_MSG;
/*****************************************************************************
** Global data
*****************************************************************************/
/* trace level */
extern UINT8 appl_trace_level;
/*****************************************************************************
** Macros
*****************************************************************************/
/* Calculate start of event enumeration; id is top 8 bits of event */
#define BTA_SYS_EVT_START(id) ((id) << 8)
/*****************************************************************************
** events for BTA SYS HW manager
*****************************************************************************/
/* events sent to SYS HW manager - must be kept synchronized with tables in bta_sys_main.c */
enum {
/* device manager local device API events */
BTA_SYS_API_ENABLE_EVT = BTA_SYS_EVT_START(BTA_ID_SYS),
BTA_SYS_EVT_ENABLED_EVT,
BTA_SYS_EVT_STACK_ENABLED_EVT,
BTA_SYS_API_DISABLE_EVT,
BTA_SYS_EVT_DISABLED_EVT,
BTA_SYS_ERROR_EVT,
BTA_SYS_MAX_EVT
};
/* SYS HW status events - returned by SYS HW manager to other modules. */
enum {
BTA_SYS_HW_OFF_EVT,
BTA_SYS_HW_ON_EVT,
BTA_SYS_HW_STARTING_EVT,
BTA_SYS_HW_STOPPING_EVT,
BTA_SYS_HW_ERROR_EVT
};
typedef UINT8 tBTA_SYS_HW_EVT;
/* HW enable callback type */
typedef void (tBTA_SYS_HW_CBACK)(tBTA_SYS_HW_EVT status);
/*****************************************************************************
** Function declarations
*****************************************************************************/
#ifdef __cplusplus
extern "C" {
#endif
extern void bta_sys_init(void);
extern void bta_sys_free(void);
extern void bta_sys_event(BT_HDR *p_msg);
extern void bta_sys_set_trace_level(UINT8 level);
extern void bta_sys_register(UINT8 id, const tBTA_SYS_REG *p_reg);
extern void bta_sys_deregister(UINT8 id);
extern BOOLEAN bta_sys_is_register(UINT8 id);
extern UINT16 bta_sys_get_sys_features(void);
extern void bta_sys_sendmsg(void *p_msg);
extern void bta_sys_start_timer(TIMER_LIST_ENT *p_tle, UINT16 type, INT32 timeout_ms);
extern void bta_sys_stop_timer(TIMER_LIST_ENT *p_tle);
extern void bta_sys_free_timer(TIMER_LIST_ENT *p_tle);
extern void bta_sys_disable(tBTA_SYS_HW_MODULE module);
extern UINT32 bta_sys_get_remaining_ticks(TIMER_LIST_ENT *p_target_tle);
extern void bta_sys_hw_register( tBTA_SYS_HW_MODULE module, tBTA_SYS_HW_CBACK *cback);
extern void bta_sys_hw_unregister( tBTA_SYS_HW_MODULE module );
extern void bta_sys_rm_register(tBTA_SYS_CONN_CBACK *p_cback);
extern void bta_sys_pm_register(tBTA_SYS_CONN_CBACK *p_cback);
extern void bta_sys_policy_register(tBTA_SYS_CONN_CBACK *p_cback);
extern void bta_sys_sco_register(tBTA_SYS_CONN_CBACK *p_cback);
extern void bta_sys_conn_open(UINT8 id, UINT8 app_id, BD_ADDR peer_addr);
extern void bta_sys_conn_close(UINT8 id, UINT8 app_id, BD_ADDR peer_addr);
extern void bta_sys_app_open(UINT8 id, UINT8 app_id, BD_ADDR peer_addr);
extern void bta_sys_app_close(UINT8 id, UINT8 app_id, BD_ADDR peer_addr);
extern void bta_sys_sco_open(UINT8 id, UINT8 app_id, BD_ADDR peer_addr);
extern void bta_sys_sco_close(UINT8 id, UINT8 app_id, BD_ADDR peer_addr);
extern void bta_sys_sco_use(UINT8 id, UINT8 app_id, BD_ADDR peer_addr);
extern void bta_sys_sco_unuse(UINT8 id, UINT8 app_id, BD_ADDR peer_addr);
extern void bta_sys_idle(UINT8 id, UINT8 app_id, BD_ADDR peer_addr);
extern void bta_sys_busy(UINT8 id, UINT8 app_id, BD_ADDR peer_addr);
#if (BTM_SSR_INCLUDED == TRUE)
extern void bta_sys_ssr_cfg_register(tBTA_SYS_SSR_CFG_CBACK *p_cback);
extern void bta_sys_chg_ssr_config (UINT8 id, UINT8 app_id, UINT16 max_latency, UINT16 min_tout);
#endif
extern void bta_sys_role_chg_register(tBTA_SYS_CONN_CBACK *p_cback);
extern void bta_sys_notify_role_chg(BD_ADDR_PTR p_bda, UINT8 new_role, UINT8 hci_status);
extern void bta_sys_collision_register(UINT8 bta_id, tBTA_SYS_CONN_CBACK *p_cback);
extern void bta_sys_notify_collision (BD_ADDR_PTR p_bda);
#if (BTA_EIR_CANNED_UUID_LIST != TRUE)
extern void bta_sys_eir_register(tBTA_SYS_EIR_CBACK *p_cback);
extern void bta_sys_add_uuid(UINT16 uuid16);
extern void bta_sys_remove_uuid(UINT16 uuid16);
#else
#define bta_sys_eir_register(ut)
#define bta_sys_add_uuid(ut)
#define bta_sys_remove_uuid(ut)
#endif
extern void bta_sys_set_policy (UINT8 id, UINT8 policy, BD_ADDR peer_addr);
extern void bta_sys_clear_policy (UINT8 id, UINT8 policy, BD_ADDR peer_addr);
extern void bta_sys_set_default_policy (UINT8 id, UINT8 policy);
extern void bta_sys_clear_default_policy (UINT8 id, UINT8 policy);
extern BOOLEAN bta_sys_vs_hdl(UINT16 evt, void *p);
#ifdef __cplusplus
}
#endif
#endif /* BTA_SYS_H */
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