OVMS3-idf/components/bt/bluedroid/btif/include/btif_common.h
wangmengyang 0ad3017df7 component/bt: A2DP code original in example project moved to component/bt directory;
1. move btif and A2DP source code from project directory to bluetooth directory;
2. some updates of audio source code;
2016-12-26 17:40:28 +08:00

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4 KiB
C

/******************************************************************************
*
* Copyright (c) 2014 The Android Open Source Project
* Copyright (C) 2009-2012 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.
*
******************************************************************************/
#ifndef BTIF_COMMON_H
#define BTIF_COMMON_H
#include <stdlib.h>
// #include <hardware/bluetooth.h>
#include "bt_types.h"
#include "bta_api.h"
#include "osi.h"
// #include "osi/include/log.h"
/*******************************************************************************
** Constants & Macros
********************************************************************************/
#define ASSERTC(cond, msg, val) if (!(cond)) { LOG_ERROR( \
"### ASSERT : %s line %d %s (%d) ###", __FILE__, __LINE__, msg, val);}
/* Calculate start of event enumeration; id is top 8 bits of event */
#define BTIF_SIG_START(id) ((id) << 8)
/* For upstream the MSB bit is always SET */
#define BTIF_SIG_CB_BIT (0x8000)
#define BTIF_SIG_CB_START(id) (((id) << 8) | BTIF_SIG_CB_BIT)
/* BTIF sub-systems */
#define BTIF_CORE 0
#define BTIF_DM 1
// #define BTIF_HFP 2
// #define BTIF_AV 3
// #define BTIF_PAN 4
// #define BTIF_HF_CLIENT 5
#define HAL_CBACK(P_CB, P_CBACK, ...)\
if (P_CB && P_CB->P_CBACK) { \
BTIF_TRACE_API("HAL %s->%s", #P_CB, #P_CBACK); \
P_CB->P_CBACK(__VA_ARGS__); \
} \
else { \
ASSERTC(0, "Callback is NULL", 0); \
}
/**
* BTIF events for requests that require context switch to btif task
* on downstreams path
*/
enum {
BTIF_CORE_API_START = BTIF_SIG_START(BTIF_CORE),
/* add here */
BTIF_DM_API_START = BTIF_SIG_START(BTIF_DM),
BTIF_DM_ENABLE_SERVICE,
BTIF_DM_DISABLE_SERVICE,
/* add here */
};
enum {
SIG_BTIF_WORK = 0xff
};
/*******************************************************************************
** Type definitions for callback functions
********************************************************************************/
typedef void (tBTIF_CBACK) (UINT16 event, char *p_param);
typedef void (tBTIF_COPY_CBACK) (UINT16 event, char *p_dest, char *p_src);
/*******************************************************************************
** Type definitions and return values
********************************************************************************/
/* this type handles all btif context switches between BTU and HAL */
typedef struct {
BT_HDR hdr;
tBTIF_CBACK *p_cb; /* context switch callback */
/* parameters passed to callback */
UINT16 event; /* message event id */
char p_param[0]; /* parameter area needs to be last */
} tBTIF_CONTEXT_SWITCH_CBACK;
/*******************************************************************************
** Functions
********************************************************************************/
bt_status_t btif_transfer_context (tBTIF_CBACK *p_cback, UINT16 event, char *p_params,
int param_len, tBTIF_COPY_CBACK *p_copy_cback);
tBTA_SERVICE_MASK btif_get_enabled_services_mask(void);
bt_status_t btif_enable_service(tBTA_SERVICE_ID service_id);
bt_status_t btif_disable_service(tBTA_SERVICE_ID service_id);
int btif_is_enabled(void);
/**
* BTIF_Events
*/
void btif_enable_bluetooth_evt(tBTA_STATUS status);
void btif_disable_bluetooth_evt(void);
#endif /* BTIF_COMMON_H */