/******************************************************************************
*
* Copyright (c) 2014 The Android Open Source Project
* 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.
*
******************************************************************************/
#include "bta_sys.h"
#include "bta_api.h"
#include "bta_hf_client_api.h"
#include "bta_hf_client_at.h"
/*****************************************************************************
** Constants
*****************************************************************************/
#define HFP_VERSION_1_1 0x0101
#define HFP_VERSION_1_5 0x0105
#define HFP_VERSION_1_6 0x0106
/* RFCOMM MTU SIZE */
#define BTA_HF_CLIENT_MTU 256
/* profile role for connection */
#define BTA_HF_CLIENT_ACP 0 /* accepted connection */
#define BTA_HF_CLIENT_INT 1 /* initiating connection */
/* Time (in milliseconds) to wait for retry in case of collision */
#ifndef BTA_HF_CLIENT_COLLISION_TIMER_MS
#define BTA_HF_CLIENT_COLLISION_TIMER_MS 2411
#endif
enum
{
/* these events are handled by the state machine */
BTA_HF_CLIENT_API_REGISTER_EVT = BTA_SYS_EVT_START(BTA_ID_HS),
BTA_HF_CLIENT_API_DEREGISTER_EVT,
BTA_HF_CLIENT_API_OPEN_EVT,
BTA_HF_CLIENT_API_CLOSE_EVT,
BTA_HF_CLIENT_API_AUDIO_OPEN_EVT,
BTA_HF_CLIENT_API_AUDIO_CLOSE_EVT,
BTA_HF_CLIENT_RFC_OPEN_EVT,
BTA_HF_CLIENT_RFC_CLOSE_EVT,
BTA_HF_CLIENT_RFC_SRV_CLOSE_EVT,
BTA_HF_CLIENT_RFC_DATA_EVT,
BTA_HF_CLIENT_DISC_ACP_RES_EVT,
BTA_HF_CLIENT_DISC_INT_RES_EVT,
BTA_HF_CLIENT_DISC_OK_EVT,
BTA_HF_CLIENT_DISC_FAIL_EVT,
BTA_HF_CLIENT_SCO_OPEN_EVT,
BTA_HF_CLIENT_SCO_CLOSE_EVT,
BTA_HF_CLIENT_SEND_AT_CMD_EVT,
BTA_HF_CLIENT_MAX_EVT,
/* these events are handled outside of the state machine */
BTA_HF_CLIENT_API_ENABLE_EVT,
BTA_HF_CLIENT_API_DISABLE_EVT
};
/*****************************************************************************
** Data types
*****************************************************************************/
/* data type for BTA_HF_CLIENT_API_ENABLE_EVT */
typedef struct
{
BT_HDR hdr;
tBTA_HF_CLIENT_CBACK *p_cback;
} tBTA_HF_CLIENT_API_ENABLE;
/* data type for BTA_HF_CLIENT_API_REGISTER_EVT */
typedef struct
{
BT_HDR hdr;
tBTA_HF_CLIENT_CBACK *p_cback;
tBTA_SEC sec_mask;
tBTA_HF_CLIENT_FEAT features;
char name[BTA_SERVICE_NAME_LEN+1];
} tBTA_HF_CLIENT_API_REGISTER;
/* data type for BTA_HF_CLIENT_API_OPEN_EVT */
typedef struct
{
BT_HDR hdr;
BD_ADDR bd_addr;
tBTA_SEC sec_mask;
} tBTA_HF_CLIENT_API_OPEN;
/* data type for BTA_HF_CLIENT_DISC_RESULT_EVT */
typedef struct
{
BT_HDR hdr;
UINT16 status;
} tBTA_HF_CLIENT_DISC_RESULT;
/* data type for RFCOMM events */
typedef struct
{
BT_HDR hdr;
UINT16 port_handle;
} tBTA_HF_CLIENT_RFC;
/* generic purpose data type for other events */
typedef struct
{
BT_HDR hdr;
BOOLEAN bool_val;
UINT8 uint8_val;
UINT32 uint32_val1;
UINT32 uint32_val2;
char str[BTA_HF_CLIENT_NUMBER_LEN + 1];
} tBTA_HF_CLIENT_DATA_VAL;
/* union of all event datatypes */
typedef union
{
BT_HDR hdr;
tBTA_HF_CLIENT_API_ENABLE api_enable;
tBTA_HF_CLIENT_API_REGISTER api_register;
tBTA_HF_CLIENT_API_OPEN api_open;
tBTA_HF_CLIENT_DISC_RESULT disc_result;
tBTA_HF_CLIENT_RFC rfc;
tBTA_HF_CLIENT_DATA_VAL val;
} tBTA_HF_CLIENT_DATA;
/* type for each service control block */
typedef struct
{
UINT16 serv_handle; /* RFCOMM server handle */
BD_ADDR peer_addr; /* peer bd address */
tSDP_DISCOVERY_DB *p_disc_db; /* pointer to discovery database */
UINT16 conn_handle; /* RFCOMM handle of connected service */
tBTA_SEC serv_sec_mask; /* server security mask */
tBTA_SEC cli_sec_mask; /* client security mask */
tBTA_HF_CLIENT_FEAT features; /* features registered by application */
tBTA_HF_CLIENT_PEER_FEAT peer_features; /* peer device features */
tBTA_HF_CLIENT_CHLD_FEAT chld_features; /* call handling features */
UINT16 peer_version; /* profile version of peer device */
UINT8 peer_scn; /* peer scn */
UINT8 role; /* initiator/acceptor role */
UINT16 sco_idx; /* SCO handle */
UINT8 sco_state; /* SCO state variable */
BOOLEAN sco_close_rfc; /* TRUE if also close RFCOMM after SCO */
BOOLEAN retry_with_sco_only;
BOOLEAN deregister; /* TRUE if service shutting down */
BOOLEAN svc_conn; /* set to TRUE when service level connection is up */
BOOLEAN send_at_reply; /* set to TRUE to notify framework about AT results */
tBTA_HF_CLIENT_AT_CB at_cb; /* AT Parser control block */
UINT8 state; /* state machine state */
tBTM_SCO_CODEC_TYPE negotiated_codec; /* negotiated codec */
alarm_t *collision_timer; /* Collision timer */
} tBTA_HF_CLIENT_SCB;
/* sco states */
enum
{
BTA_HF_CLIENT_SCO_SHUTDOWN_ST, /* no listening, no connection */
BTA_HF_CLIENT_SCO_LISTEN_ST, /* listening */
BTA_HF_CLIENT_SCO_OPENING_ST, /* connection opening */
BTA_HF_CLIENT_SCO_OPEN_CL_ST, /* opening connection being closed */
BTA_HF_CLIENT_SCO_OPEN_ST, /* open */
BTA_HF_CLIENT_SCO_CLOSING_ST, /* closing */
BTA_HF_CLIENT_SCO_CLOSE_OP_ST, /* closing sco being opened */
BTA_HF_CLIENT_SCO_SHUTTING_ST /* sco shutting down */
};
/* type for AG control block */
typedef struct
{
tBTA_HF_CLIENT_SCB scb; /* service control block */
UINT32 sdp_handle;
UINT8 scn;
tBTA_HF_CLIENT_CBACK *p_cback; /* application callback */
BOOLEAN msbc_enabled;
} tBTA_HF_CLIENT_CB;
/*****************************************************************************
** Global data
*****************************************************************************/
/* control block declaration */
extern tBTA_HF_CLIENT_CB bta_hf_client_cb;
/*****************************************************************************
** Function prototypes
*****************************************************************************/
/* main functions */
extern void bta_hf_client_scb_init(void);
extern void bta_hf_client_scb_disable(void);
extern BOOLEAN bta_hf_client_hdl_event(BT_HDR *p_msg);
extern void bta_hf_client_sm_execute(UINT16 event,
tBTA_HF_CLIENT_DATA *p_data);
extern void bta_hf_client_slc_seq(BOOLEAN error);
extern void bta_hf_client_collision_cback (tBTA_SYS_CONN_STATUS status, UINT8 id,
UINT8 app_id, BD_ADDR peer_addr);
extern void bta_hf_client_resume_open ();
/* SDP functions */
extern BOOLEAN bta_hf_client_add_record(char *p_service_name,
UINT8 scn, tBTA_HF_CLIENT_FEAT features,
UINT32 sdp_handle);
extern void bta_hf_client_create_record(tBTA_HF_CLIENT_DATA *p_data);
extern void bta_hf_client_del_record(tBTA_HF_CLIENT_DATA *p_data);
extern BOOLEAN bta_hf_client_sdp_find_attr(void);
extern void bta_hf_client_do_disc(void);
extern void bta_hf_client_free_db(tBTA_HF_CLIENT_DATA *p_data);
/* RFCOMM functions */
extern void bta_hf_client_setup_port(UINT16 handle);
extern void bta_hf_client_start_server(void);
extern void bta_hf_client_close_server(void);
extern void bta_hf_client_rfc_do_open(tBTA_HF_CLIENT_DATA *p_data);
extern void bta_hf_client_rfc_do_close(tBTA_HF_CLIENT_DATA *p_data);
/* SCO functions */
extern void bta_hf_client_sco_listen(tBTA_HF_CLIENT_DATA *p_data);
extern void bta_hf_client_sco_shutdown(tBTA_HF_CLIENT_DATA *p_data);
extern void bta_hf_client_sco_conn_open(tBTA_HF_CLIENT_DATA *p_data);
extern void bta_hf_client_sco_conn_close(tBTA_HF_CLIENT_DATA *p_data);
extern void bta_hf_client_sco_open(tBTA_HF_CLIENT_DATA *p_data);
extern void bta_hf_client_sco_close(tBTA_HF_CLIENT_DATA *p_data);
extern void bta_hf_client_cback_sco(UINT8 event);
/* AT command functions */
extern void bta_hf_client_at_parse(char *buf, unsigned int len);
extern void bta_hf_client_send_at_brsf(void);
extern void bta_hf_client_send_at_bac(void);
extern void bta_hf_client_send_at_cind(BOOLEAN status);
extern void bta_hf_client_send_at_cmer(BOOLEAN activate);
extern void bta_hf_client_send_at_chld(char cmd, UINT32 idx);
extern void bta_hf_client_send_at_clip(BOOLEAN activate);
extern void bta_hf_client_send_at_ccwa(BOOLEAN activate);
extern void bta_hf_client_send_at_cmee(BOOLEAN activate);
extern void bta_hf_client_send_at_cops(BOOLEAN query);
extern void bta_hf_client_send_at_clcc(void);
extern void bta_hf_client_send_at_bvra(BOOLEAN enable);
extern void bta_hf_client_send_at_vgs(UINT32 volume);
extern void bta_hf_client_send_at_vgm(UINT32 volume);
extern void bta_hf_client_send_at_atd(char *number, UINT32 memory);
extern void bta_hf_client_send_at_bldn(void);
extern void bta_hf_client_send_at_ata(void);
extern void bta_hf_client_send_at_chup(void);
extern void bta_hf_client_send_at_btrh(BOOLEAN query, UINT32 val);
extern void bta_hf_client_send_at_vts(char code);
extern void bta_hf_client_send_at_bcc(void);
extern void bta_hf_client_send_at_bcs(UINT32 codec);
extern void bta_hf_client_send_at_cnum(void);
extern void bta_hf_client_send_at_nrec(void);
extern void bta_hf_client_send_at_binp(UINT32 action);
extern void bta_hf_client_send_at_bia(void);
/* Action functions */
extern void bta_hf_client_register(tBTA_HF_CLIENT_DATA *p_data);
extern void bta_hf_client_deregister(tBTA_HF_CLIENT_DATA *p_data);
extern void bta_hf_client_start_dereg(tBTA_HF_CLIENT_DATA *p_data);
extern void bta_hf_client_start_close(tBTA_HF_CLIENT_DATA *p_data);
extern void bta_hf_client_start_open(tBTA_HF_CLIENT_DATA *p_data);
extern void bta_hf_client_rfc_acp_open(tBTA_HF_CLIENT_DATA *p_data);
extern void bta_hf_client_rfc_open(tBTA_HF_CLIENT_DATA *p_data);
extern void bta_hf_client_rfc_fail(tBTA_HF_CLIENT_DATA *p_data);
extern void bta_hf_client_disc_fail(tBTA_HF_CLIENT_DATA *p_data);
extern void bta_hf_client_open_fail(tBTA_HF_CLIENT_DATA *p_data);
extern void bta_hf_client_rfc_close(tBTA_HF_CLIENT_DATA *p_data);
extern void bta_hf_client_disc_acp_res(tBTA_HF_CLIENT_DATA *p_data);
extern void bta_hf_client_rfc_data(tBTA_HF_CLIENT_DATA *p_data);
extern void bta_hf_client_disc_int_res(tBTA_HF_CLIENT_DATA *p_data);
extern void bta_hf_client_svc_conn_open(tBTA_HF_CLIENT_DATA *p_data);
extern void bta_hf_client_ind(tBTA_HF_CLIENT_IND_TYPE type, UINT16 value);
extern void bta_hf_client_evt_val(tBTA_HF_CLIENT_EVT type, UINT16 value);
extern void bta_hf_client_operator_name(char *name);
extern void bta_hf_client_clip(char *number);
extern void bta_hf_client_ccwa(char *number);
extern void bta_hf_client_at_result(tBTA_HF_CLIENT_AT_RESULT_TYPE type, UINT16 cme);
extern void bta_hf_client_clcc(UINT32 idx, BOOLEAN incoming, UINT8 status, BOOLEAN mpty, char *number);
extern void bta_hf_client_cnum(char *number, UINT16 service);
extern void bta_hf_client_binp(char *number);
/* Commands handling functions */
extern void bta_hf_client_dial(tBTA_HF_CLIENT_DATA *p_data);
extern void bta_hf_client_send_at_cmd(tBTA_HF_CLIENT_DATA *p_data);