/******************************************************************************
*
* Copyright 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 audio gateway (AG) subsystem
* of BTA, Broadcom's Bluetooth application layer for mobile phones.
*
******************************************************************************/
#ifndef BTA_AG_API_H
#define BTA_AG_API_H
#include "bta_api.h"
#include <string>
#include <vector>
/*****************************************************************************
* Constants and data types
****************************************************************************/
/* Number of SCBs (AG service instances that can be registered) */
#define BTA_AG_MAX_NUM_CLIENTS 6
#define HFP_HSP_VERSION_UNKNOWN 0x0000
#define HFP_VERSION_1_1 0x0101
#define HFP_VERSION_1_5 0x0105
#define HFP_VERSION_1_6 0x0106
#define HFP_VERSION_1_7 0x0107
#define HSP_VERSION_1_0 0x0100
#define HSP_VERSION_1_2 0x0102
#define HFP_VERSION_CONFIG_KEY "HfpVersion"
#define HFP_SDP_FEATURES_CONFIG_KEY "HfpSdpFeatures"
/* Note, if you change the default version here, please also change the one in
* bta_hs_api.h, they are meant to be the same.
*/
#ifndef BTA_HFP_VERSION
#define BTA_HFP_VERSION HFP_VERSION_1_7
#endif
/* AG feature masks */
#define BTA_AG_FEAT_3WAY 0x00000001 /* Three-way calling */
#define BTA_AG_FEAT_ECNR 0x00000002 /* Echo cancellation/noise reduction */
#define BTA_AG_FEAT_VREC 0x00000004 /* Voice recognition */
#define BTA_AG_FEAT_INBAND 0x00000008 /* In-band ring tone */
#define BTA_AG_FEAT_VTAG 0x00000010 /* Attach a phone number to a voice tag */
#define BTA_AG_FEAT_REJECT 0x00000020 /* Ability to reject incoming call */
#define BTA_AG_FEAT_ECS 0x00000040 /* Enhanced Call Status */
#define BTA_AG_FEAT_ECC 0x00000080 /* Enhanced Call Control */
#define BTA_AG_FEAT_EXTERR 0x00000100 /* Extended error codes */
#define BTA_AG_FEAT_CODEC 0x00000200 /* Codec Negotiation */
/* AG SDP feature masks */
#define BTA_AG_FEAT_WBS_SUPPORT 0x0020 /* Supports WBS */
/* Only SDP feature bits 0 to 4 matches BRSF feature bits */
#define HFP_SDP_BRSF_FEATURES_MASK 0x001F
/* Valid feature bit mask for HFP 1.6 (and below) */
#define HFP_1_6_FEAT_MASK 0x000003FF
/* HFP 1.7+ */
#define BTA_AG_FEAT_HF_IND 0x00000400 /* HF Indicators */
#define BTA_AG_FEAT_ESCO 0x00000800 /* eSCO S4 (and T2) setting supported */
/* Proprietary features: using 31 ~ 16 bits */
#define BTA_AG_FEAT_BTRH 0x00010000 /* CCAP incoming call hold */
#define BTA_AG_FEAT_UNAT 0x00020000 /* Pass unknown AT commands to app */
#define BTA_AG_FEAT_NOSCO 0x00040000 /* No SCO control performed by BTA AG */
#define BTA_AG_FEAT_NO_ESCO 0x00080000 /* Do not allow or use eSCO */
#define BTA_AG_FEAT_VOIP 0x00100000 /* VoIP call */
typedef uint32_t tBTA_AG_FEAT;
/* AG open status */
#define BTA_AG_SUCCESS 0 /* Connection successfully opened */
#define BTA_AG_FAIL_SDP 1 /* Open failed due to SDP */
#define BTA_AG_FAIL_RFCOMM 2 /* Open failed due to RFCOMM */
#define BTA_AG_FAIL_RESOURCES 3 /* out of resources failure */
/* Status to disallow passing AT Events after BTIF */
#define BTA_AG_DISALLOW_AT 5
typedef uint8_t tBTA_AG_STATUS;
/* handle values used with BTA_AgResult */
#define BTA_AG_HANDLE_NONE 0
#define BTA_AG_HANDLE_ALL 0xFFFF
/* It is safe to use the same value as BTA_AG_HANDLE_ALL
* HANDLE_ALL is used for delivering indication
* SCO_NO_CHANGE is used for changing sco behavior
* They donot interfere with each other
*/
/* Number of supported HF indicators, there is one HF indicator so far i.e.
enhanced driver status. */
/* Number of supported HF indicators,
1 for Enhanced Safety Status
2 for Battery Level Status */
#ifndef BTA_AG_NUM_LOCAL_HF_IND
#define BTA_AG_NUM_LOCAL_HF_IND 2
#endif
#define BTA_AG_HANDLE_SCO_NO_CHANGE 0xFFFF
/* AG result codes used with BTA_AgResult */
#define BTA_AG_SPK_RES 0 /* Update speaker volume */
#define BTA_AG_MIC_RES 1 /* Update microphone volume */
#define BTA_AG_INBAND_RING_RES 2 /* Update inband ring state */
#define BTA_AG_CIND_RES 3 /* Send indicator response for AT+CIND */
#define BTA_AG_BINP_RES 4 /* Send phone number for voice tag for AT+BINP */
#define BTA_AG_IND_RES 5 /* Update an indicator value */
#define BTA_AG_BVRA_RES 6 /* Update voice recognition state */
#define BTA_AG_CNUM_RES 7 /* Send subscriber number response for AT+CNUM */
#define BTA_AG_BTRH_RES 8 /* Send CCAP incoming call hold */
#define BTA_AG_CLCC_RES 9 /* Query list of calls */
#define BTA_AG_COPS_RES 10 /* Read network operator */
#define BTA_AG_IN_CALL_RES 11 /* Indicate incoming phone call */
#define BTA_AG_IN_CALL_CONN_RES 12 /* Incoming phone call connected */
#define BTA_AG_CALL_WAIT_RES 13 /* Call waiting notification */
#define BTA_AG_OUT_CALL_ORIG_RES 14 /* Outgoing phone call origination */
/* Outgoing phone call alerting remote party */
#define BTA_AG_OUT_CALL_ALERT_RES 15
#define BTA_AG_OUT_CALL_CONN_RES 16 /* Outgoing phone call connected */
/* Incoming/outgoing 3-way canceled before connected */
#define BTA_AG_CALL_CANCEL_RES 17
#define BTA_AG_END_CALL_RES 18 /* End call */
#define BTA_AG_IN_CALL_HELD_RES 19 /* Incoming call held */
#define BTA_AG_UNAT_RES 20 /* Response to unknown AT command event */
#define BTA_AG_MULTI_CALL_RES 21 /* SLC at three way call */
#define BTA_AG_BIND_RES 22 /* Activate/Deactivate HF indicator */
#define BTA_AG_IND_RES_ON_DEMAND 33 /* Update an indicator value forcible */
typedef uint8_t tBTA_AG_RES;
/* HFP peer features */
#define BTA_AG_PEER_FEAT_ECNR 0x0001 /* Echo cancellation/noise reduction */
#define BTA_AG_PEER_FEAT_3WAY 0x0002 /* Call waiting and three-way calling */
#define BTA_AG_PEER_FEAT_CLI 0x0004 /* Caller ID presentation capability */
#define BTA_AG_PEER_FEAT_VREC 0x0008 /* Voice recognition activation */
#define BTA_AG_PEER_FEAT_VOL 0x0010 /* Remote volume control */
#define BTA_AG_PEER_FEAT_ECS 0x0020 /* Enhanced Call Status */
#define BTA_AG_PEER_FEAT_ECC 0x0040 /* Enhanced Call Control */
#define BTA_AG_PEER_FEAT_CODEC 0x0080 /* Codec Negotiation */
#define BTA_AG_PEER_FEAT_HF_IND 0x0100 /* HF Indicators */
#define BTA_AG_PEER_FEAT_ESCO 0x0200 /* eSCO S4 (and T2) setting supported */
/* Proprietary features: using bits after 12 */
/* Pass unknown AT command responses to application */
#define BTA_AG_PEER_FEAT_UNAT 0x1000
#define BTA_AG_PEER_FEAT_VOIP 0x2000 /* VoIP call */
typedef uint16_t tBTA_AG_PEER_FEAT;
/* HFP peer supported codec masks */
// TODO(google) This should use common definitions
#define BTA_AG_CODEC_NONE BTM_SCO_CODEC_NONE
#define BTA_AG_CODEC_CVSD BTM_SCO_CODEC_CVSD /* CVSD */
#define BTA_AG_CODEC_MSBC BTM_SCO_CODEC_MSBC /* mSBC */
typedef uint16_t tBTA_AG_PEER_CODEC;
/* HFP errcode - Set when BTA_AG_OK_ERROR is returned in 'ok_flag' */
#define BTA_AG_ERR_PHONE_FAILURE 0 /* Phone Failure */
#define BTA_AG_ERR_NO_CONN_PHONE 1 /* No connection to phone */
#define BTA_AG_ERR_OP_NOT_ALLOWED 3 /* Operation not allowed */
#define BTA_AG_ERR_OP_NOT_SUPPORTED 4 /* Operation not supported */
#define BTA_AG_ERR_PHSIM_PIN_REQ 5 /* PH-SIM PIN required */
#define BTA_AG_ERR_SIM_NOT_INSERTED 10 /* SIM not inserted */
#define BTA_AG_ERR_SIM_PIN_REQ 11 /* SIM PIN required */
#define BTA_AG_ERR_SIM_PUK_REQ 12 /* SIM PUK required */
#define BTA_AG_ERR_SIM_FAILURE 13 /* SIM failure */
#define BTA_AG_ERR_SIM_BUSY 14 /* SIM busy */
#define BTA_AG_ERR_INCORRECT_PWD 16 /* Incorrect password */
#define BTA_AG_ERR_SIM_PIN2_REQ 17 /* SIM PIN2 required */
#define BTA_AG_ERR_SIM_PUK2_REQ 18 /* SIM PUK2 required */
#define BTA_AG_ERR_MEMORY_FULL 20 /* Memory full */
#define BTA_AG_ERR_INVALID_INDEX 21 /* Invalid index */
#define BTA_AG_ERR_MEMORY_FAILURE 23 /* Memory failure */
#define BTA_AG_ERR_TEXT_TOO_LONG 24 /* Text string too long */
#define BTA_AG_ERR_INV_CHAR_IN_TSTR 25 /* Invalid characters in text string */
#define BTA_AG_ERR_DSTR_TOO_LONG 26 /* Dial string too long */
#define BTA_AG_ERR_INV_CHAR_IN_DSTR 27 /* Invalid characters in dial string */
#define BTA_AG_ERR_NO_NETWORK_SERV 30 /* No network service */
#define BTA_AG_ERR_NETWORK_TIME_OUT 31 /* Network timeout */
/* Network not allowed - emergency service only */
#define BTA_AG_ERR_NO_NET_EMG_ONLY 32
/* AG cannot create simultaneous VoIP and CS calls */
#define BTA_AG_ERR_VOIP_CS_CALLS 33
#define BTA_AG_ERR_NOT_FOR_VOIP 34 /* Not supported on this call type(VoIP) */
#define BTA_AG_ERR_SIP_RESP_CODE 35 /* SIP 3 digit response code */
#if 0 /* Not Used in Bluetooth HFP 1.5 Specification */
#define BTA_AG_ERR_PHADAP_LNK_RES 2 /* Phone-adapter link reserved */
#define BTA_AG_ERR_PHFSIM_PIN_REQ 6 /* PH-FSIM PIN required */
#define BTA_AG_ERR_PHFSIM_PUK_REQ 7 /* PH-FSIM PUK required */
#define BTA_AG_ERR_SIM_WRONG 15 /* SIM wrong */
#define BTA_AG_ERR_NOT_FOUND 22 /* Not found */
#define BTA_AG_ERR_NETWORK_TIMEOUT 31 /* Network timeout */
#define BTA_AG_ERR_NET_PIN_REQ 40 /* Network personalization PIN required */
#define BTA_AG_ERR_NET_PUK_REQ 41 /* Network personalization PUK required */
/* Network subset personalization PIN required */
#define BTA_AG_ERR_SUBSET_PIN_REQ 42
/* Network subset personalization PUK required */
#define BTA_AG_ERR_SUBSET_PUK_REQ 43
/* Service provider personalization PIN required */
#define BTA_AG_ERR_SERVPRO_PIN_REQ 44
/* Service provider personalization PUK required */
#define BTA_AG_ERR_SERVPRO_PUK_REQ 45
/* Corporate personalization PIN required */
#define BTA_AG_ERR_CORP_PIN_REQ 46
/* Corporate personalization PUK required */
#define BTA_AG_ERR_CORP_PUK_REQ 47
#define BTA_AG_ERR_UNKNOWN 100 /* Unknown error */
/* GPRS-related errors */
#define BTA_AG_ERR_ILL_MS 103 /* Illegal MS (#3) */
#define BTA_AG_ERR_ILL_ME 106 /* Illegal ME (#6) */
#define BTA_AG_ERR_GPRS_NOT_ALLOWED 107 /* GPRS services not allowed (#7) */
#define BTA_AG_ERR_PLMN_NOT_ALLOWED 111 /* PLMN services not allowed (#11) */
#define BTA_AG_ERR_LOC_NOT_ALLOWED 112 /* Location area not allowed (#12) */
/* Roaming not allowed in this location area (#13) */
#define BTA_AG_ERR_ROAM_NOT_ALLOWED 113
/* Errors related to a failure to Activate a Context */
#define BTA_AG_ERR_OPT_NOT_SUPP 132 /* Service option not supported (#32) */
/* Requested service option not subscribed (#33) */
#define BTA_AG_ERR_OPT_NOT_SUBSCR 133
/* Service option temporarily out of order (#34) */
#define BTA_AG_ERR_OPT_OUT_OF_ORDER 134
#define BTA_AG_ERR_PDP_AUTH_FAILURE 149 /* PDP authentication failure */
/* Other GPRS errors */
#define BTA_AG_ERR_INV_MOBILE_CLASS 150 /* Invalid mobile class */
#define BTA_AG_ERR_UNSPEC_GPRS_ERR 148 /* Unspecified GPRS error */
#endif /* Unused error codes */
/* HFP result data 'ok_flag' */
#define BTA_AG_OK_CONTINUE 0 /* Send out response (more responses coming) */
#define BTA_AG_OK_DONE 1 /* Send out response followed by OK (finished) */
#define BTA_AG_OK_ERROR 2 /* Error response */
/* BTRH values */
#define BTA_AG_BTRH_SET_HOLD 0 /* Put incoming call on hold */
#define BTA_AG_BTRH_SET_ACC 1 /* Accept incoming call on hold */
#define BTA_AG_BTRH_SET_REJ 2 /* Reject incoming call on hold */
#define BTA_AG_BTRH_READ 3 /* Read the current value */
#define BTA_AG_BTRH_NO_RESP 4 /* Not in RH States (reply to read) */
/* ASCII character string of arguments to the AT command or result */
#ifndef BTA_AG_AT_MAX_LEN
#define BTA_AG_AT_MAX_LEN 256
#endif
/* data associated with BTA_AG_IND_RES */
typedef struct {
uint16_t id;
uint16_t value;
bool on_demand;
} tBTA_AG_IND;
/* data type for BTA_AgResult() */
struct tBTA_AG_RES_DATA {
char str[BTA_AG_AT_MAX_LEN + 1];
tBTA_AG_IND ind;
uint16_t num;
uint16_t audio_handle;
uint16_t errcode; /* Valid only if 'ok_flag' is set to BTA_AG_OK_ERROR */
uint8_t
ok_flag; /* Indicates if response is finished, and if error occurred */
bool state;
static const tBTA_AG_RES_DATA kEmpty;
};
/* AG callback events */
#define BTA_AG_ENABLE_EVT 0 /* AG enabled */
#define BTA_AG_REGISTER_EVT 1 /* AG registered */
#define BTA_AG_OPEN_EVT 2 /* AG connection open */
#define BTA_AG_CLOSE_EVT 3 /* AG connection closed */
#define BTA_AG_CONN_EVT 4 /* Service level connection opened */
#define BTA_AG_AUDIO_OPEN_EVT 5 /* Audio connection open */
#define BTA_AG_AUDIO_CLOSE_EVT 6 /* Audio connection closed */
#define BTA_AG_SPK_EVT 7 /* Speaker volume changed */
#define BTA_AG_MIC_EVT 8 /* Microphone volume changed */
#define BTA_AG_AT_CKPD_EVT 9 /* CKPD from the HS */
#define BTA_AG_DISABLE_EVT 30 /* AG disabled */
#define BTA_AG_WBS_EVT 31 /* SCO codec info */
/* Values below are for HFP only */
#define BTA_AG_AT_A_EVT 10 /* Answer a call */
#define BTA_AG_AT_D_EVT 11 /* Place a call using number or memory dial */
#define BTA_AG_AT_CHLD_EVT 12 /* Call hold */
#define BTA_AG_AT_CHUP_EVT 13 /* Hang up a call */
#define BTA_AG_AT_CIND_EVT 14 /* Read indicator settings */
#define BTA_AG_AT_VTS_EVT 15 /* Transmit DTMF tone */
#define BTA_AG_AT_BINP_EVT 16 /* Retrieve number from voice tag */
#define BTA_AG_AT_BLDN_EVT 17 /* Place call to last dialed number */
#define BTA_AG_AT_BVRA_EVT 18 /* Enable/disable voice recognition */
#define BTA_AG_AT_NREC_EVT 19 /* Disable echo canceling */
#define BTA_AG_AT_CNUM_EVT 20 /* Retrieve subscriber number */
#define BTA_AG_AT_BTRH_EVT 21 /* CCAP-style incoming call hold */
#define BTA_AG_AT_CLCC_EVT 22 /* Query list of current calls */
#define BTA_AG_AT_COPS_EVT 23 /* Query list of current calls */
#define BTA_AG_AT_UNAT_EVT 24 /* Unknown AT command */
#define BTA_AG_AT_CBC_EVT 25 /* Battery Level report from HF */
#define BTA_AG_AT_BAC_EVT 26 /* avablable codec */
#define BTA_AG_AT_BCS_EVT 27 /* Codec select */
#define BTA_AG_AT_BIND_EVT 28 /* HF indicator */
#define BTA_AG_AT_BIEV_EVT 29 /* HF indicator updates from peer */
#define BTA_AG_AT_BIA_EVT 32 /* AG indicator activation event from peer */
typedef uint8_t tBTA_AG_EVT;
/* data associated with most non-AT events */
typedef struct {
uint16_t handle;
uint8_t app_id;
tBTA_AG_STATUS status;
} tBTA_AG_HDR;
/* data associated with BTA_AG_REGISTER_EVT */
typedef struct {
tBTA_AG_HDR hdr;
tBTA_AG_STATUS status;
} tBTA_AG_REGISTER;
/* data associated with BTA_AG_OPEN_EVT */
typedef struct {
tBTA_AG_HDR hdr;
RawAddress bd_addr;
tBTA_SERVICE_ID service_id;
tBTA_AG_STATUS status;
} tBTA_AG_OPEN;
/* data associated with BTA_AG_CLOSE_EVT */
typedef struct {
tBTA_AG_HDR hdr;
RawAddress bd_addr;
} tBTA_AG_CLOSE;
/* data associated with BTA_AG_CONN_EVT */
typedef struct {
tBTA_AG_HDR hdr;
tBTA_AG_PEER_FEAT peer_feat;
RawAddress bd_addr;
tBTA_AG_PEER_CODEC peer_codec;
} tBTA_AG_CONN;
/* data associated with AT command event */
typedef struct {
tBTA_AG_HDR hdr;
RawAddress bd_addr;
char str[BTA_AG_AT_MAX_LEN + 1];
uint32_t num;
uint8_t idx; /* call number used by CLCC and CHLD */
uint16_t lidx; /* long index, ex, HF indicator */
} tBTA_AG_VAL;
/* union of data associated with AG callback */
typedef union {
tBTA_AG_HDR hdr;
tBTA_AG_REGISTER reg;
tBTA_AG_OPEN open;
tBTA_AG_CLOSE close;
tBTA_AG_CONN conn;
tBTA_AG_VAL val;
} tBTA_AG;
/* AG callback */
typedef void(tBTA_AG_CBACK)(tBTA_AG_EVT event, tBTA_AG* p_data);
/* indicator constants HFP 1.1 and later */
#define BTA_AG_IND_CALL 1 /* position of call indicator */
#define BTA_AG_IND_CALLSETUP 2 /* position of callsetup indicator */
#define BTA_AG_IND_SERVICE 3 /* position of service indicator */
/* indicator constants HFP 1.5 and later */
#define BTA_AG_IND_SIGNAL 4 /* position of signal strength indicator */
#define BTA_AG_IND_ROAM 5 /* position of roaming indicator */
#define BTA_AG_IND_BATTCHG 6 /* position of battery charge indicator */
#define BTA_AG_IND_CALLHELD 7 /* position of callheld indicator */
#define BTA_AG_IND_BEARER 8 /* position of bearer indicator */
/* call indicator values */
#define BTA_AG_CALL_INACTIVE 0 /* Phone call inactive */
#define BTA_AG_CALL_ACTIVE 1 /* Phone call active */
/* callsetup indicator values */
#define BTA_AG_CALLSETUP_NONE 0 /* Not currently in call set up */
#define BTA_AG_CALLSETUP_INCOMING 1 /* Incoming call process ongoing */
#define BTA_AG_CALLSETUP_OUTGOING 2 /* Outgoing call set up is ongoing */
/* Remote party being alerted in an outgoing call */
#define BTA_AG_CALLSETUP_ALERTING 3
/* service indicator values */
#define BTA_AG_SERVICE_NONE 0 /* Neither CS nor VoIP service is available */
#define BTA_AG_SERVICE_CS 1 /* Only CS service is available */
#define BTA_AG_SERVICE_VOIP 2 /* Only VoIP service is available */
#define BTA_AG_SERVICE_CS_VOIP 3 /* Both CS and VoIP services available */
/* callheld indicator values */
#define BTA_AG_CALLHELD_INACTIVE 0 /* No held calls */
#define BTA_AG_CALLHELD_ACTIVE 1 /* Call held and call active */
#define BTA_AG_CALLHELD_NOACTIVE 2 /* Call held and no call active */
/* signal strength indicator values */
#define BTA_AG_ROAMING_INACTIVE 0 /* Phone call inactive */
#define BTA_AG_ROAMING_ACTIVE 1 /* Phone call active */
/* bearer indicator values */
#define BTA_AG_BEARER_WLAN 0 /* WLAN */
#define BTA_AG_BEARER_BLUETOOTH 1 /* Bluetooth */
#define BTA_AG_BEARER_WIRED 2 /* Wired */
#define BTA_AG_BEARER_2G3G 3 /* 2G 3G */
#define BTA_AG_BEARER_WIMAX 4 /* WIMAX */
#define BTA_AG_BEARER_RES1 5 /* Reserved */
#define BTA_AG_BEARER_RES2 6 /* Reserved */
#define BTA_AG_BEARER_RES3 7 /* Reserved */
/* type for HF indicator */
typedef struct {
uint16_t ind_id;
bool is_supported;
bool is_enable;
uint32_t ind_min_val;
uint32_t ind_max_val;
} tBTA_AG_HF_IND;
/* AG configuration structure */
typedef struct {
const char* cind_info;
const char* bind_info;
uint8_t num_local_hf_ind;
int32_t conn_tout;
uint16_t sco_pkt_types;
const char* chld_val_ecc;
const char* chld_val;
} tBTA_AG_CFG;
/*****************************************************************************
* External Function Declarations
****************************************************************************/
/*******************************************************************************
*
* Function BTA_AgEnable
*
* Description Enable the audio gateway service. When the enable
* operation is complete the callback function will be
* called with a BTA_AG_ENABLE_EVT. This function must
* be called before other function in the AG API are
* called.
*
* Returns BTA_SUCCESS if OK, BTA_FAILURE otherwise.
*
******************************************************************************/
tBTA_STATUS BTA_AgEnable(tBTA_AG_CBACK* p_cback);
/*******************************************************************************
*
* Function BTA_AgDisable
*
* Description Disable the audio gateway service
*
*
* Returns void
*
******************************************************************************/
void BTA_AgDisable();
/*******************************************************************************
*
* Function BTA_AgRegister
*
* Description Register an Audio Gateway service.
*
*
* Returns void
*
******************************************************************************/
void BTA_AgRegister(tBTA_SERVICE_MASK services, tBTA_SEC sec_mask,
tBTA_AG_FEAT features,
const std::vector<std::string>& service_names,
uint8_t app_id);
/*******************************************************************************
*
* Function BTA_AgDeregister
*
* Description Deregister an audio gateway service.
*
*
* Returns void
*
******************************************************************************/
void BTA_AgDeregister(uint16_t handle);
/*******************************************************************************
*
* Function BTA_AgOpen
*
* Description Opens a connection to a headset or hands-free device.
* When connection is open callback function is called
* with a BTA_AG_OPEN_EVT. Only the data connection is
* opened. The audio connection is not opened.
*
*
* Returns void
*
******************************************************************************/
void BTA_AgOpen(uint16_t handle, const RawAddress& bd_addr, tBTA_SEC sec_mask);
/*******************************************************************************
*
* Function BTA_AgClose
*
* Description Close the current connection to a headset or a handsfree
* Any current audio connection will also be closed
*
*
* Returns void
*
******************************************************************************/
void BTA_AgClose(uint16_t handle);
/*******************************************************************************
*
* Function BTA_AgAudioOpen
*
* Description Opens an audio connection to the currently connected
* headset or hnadsfree
*
*
* Returns void
*
******************************************************************************/
void BTA_AgAudioOpen(uint16_t handle);
/*******************************************************************************
*
* Function BTA_AgAudioClose
*
* Description Close the currently active audio connection to a headset
* or hnadsfree. The data connection remains open
*
*
* Returns void
*
******************************************************************************/
void BTA_AgAudioClose(uint16_t handle);
/*******************************************************************************
*
* Function BTA_AgResult
*
* Description Send an AT result code to a headset or hands-free device.
*
*
* Returns void
*
******************************************************************************/
void BTA_AgResult(uint16_t handle, tBTA_AG_RES result,
const tBTA_AG_RES_DATA& data);
/*******************************************************************************
*
* Function BTA_AgSetCodec
*
* Description Specify the codec type to be used for the subsequent
* audio connection.
*
*
*
* Returns void
*
******************************************************************************/
void BTA_AgSetCodec(uint16_t handle, tBTA_AG_PEER_CODEC codec);
void BTA_AgSetScoAllowed(bool value);
void BTA_AgSetActiveDevice(const RawAddress& active_device_addr);
#endif /* BTA_AG_API_H */