/****************************************************************************** * * Copyright (c) 2014 The Android Open Source Project * 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. * ******************************************************************************/ #include #include #include "bta/hf_client/bta_hf_client_at.h" #include "bta/include/bta_hf_client_api.h" #include "bta/sys/bta_sys.h" #include "osi/include/alarm.h" #include "stack/include/bt_hdr.h" #include "stack/include/btm_api_types.h" #include "stack/include/sdp_status.h" #include "stack/sdp/sdp_discovery_db.h" #include "types/raw_address.h" /***************************************************************************** * Constants ****************************************************************************/ /* 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 /* Maximum number of HF devices supported simultaneously */ #define HF_CLIENT_MAX_DEVICES 10 enum { /* these events are handled by the state machine */ BTA_HF_CLIENT_API_OPEN_EVT = BTA_SYS_EVT_START(BTA_ID_HS), 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 }; /* AT Command enum */ enum { BTA_HF_CLIENT_AT_NONE, BTA_HF_CLIENT_AT_BRSF, BTA_HF_CLIENT_AT_BAC, BTA_HF_CLIENT_AT_CIND, BTA_HF_CLIENT_AT_CIND_STATUS, BTA_HF_CLIENT_AT_CMER, BTA_HF_CLIENT_AT_CHLD, BTA_HF_CLIENT_AT_CMEE, BTA_HF_CLIENT_AT_BIA, BTA_HF_CLIENT_AT_CLIP, BTA_HF_CLIENT_AT_CCWA, BTA_HF_CLIENT_AT_COPS, BTA_HF_CLIENT_AT_CLCC, BTA_HF_CLIENT_AT_BVRA, BTA_HF_CLIENT_AT_VGS, BTA_HF_CLIENT_AT_VGM, BTA_HF_CLIENT_AT_ATD, BTA_HF_CLIENT_AT_BLDN, BTA_HF_CLIENT_AT_ATA, BTA_HF_CLIENT_AT_CHUP, BTA_HF_CLIENT_AT_BTRH, BTA_HF_CLIENT_AT_VTS, BTA_HF_CLIENT_AT_BCC, BTA_HF_CLIENT_AT_BCS, BTA_HF_CLIENT_AT_CNUM, BTA_HF_CLIENT_AT_NREC, BTA_HF_CLIENT_AT_BINP, BTA_HF_CLIENT_AT_BIND_SET_IND, BTA_HF_CLIENT_AT_BIND_READ_SUPPORTED_IND, BTA_HF_CLIENT_AT_BIND_READ_ENABLED_IND, BTA_HF_CLIENT_AT_BIEV, BTA_HF_CLIENT_AT_VENDOR_SPECIFIC, BTA_HF_CLIENT_AT_ANDROID, }; /***************************************************************************** * Data types ****************************************************************************/ /* data type for BTA_HF_CLIENT_API_OPEN_EVT */ typedef struct { BT_HDR_RIGID hdr; RawAddress bd_addr; uint16_t* handle; } tBTA_HF_CLIENT_API_OPEN; /* data type for BTA_HF_CLIENT_DISC_RESULT_EVT */ typedef struct { BT_HDR_RIGID hdr; tSDP_STATUS status; } tBTA_HF_CLIENT_DISC_RESULT; /* data type for RFCOMM events */ typedef struct { BT_HDR_RIGID hdr; uint16_t port_handle; } tBTA_HF_CLIENT_RFC; /* generic purpose data type for other events */ typedef struct { BT_HDR_RIGID hdr; bool bool_val; uint8_t uint8_val; uint32_t uint32_val1; uint32_t uint32_val2; char str[BTA_HF_CLIENT_NUMBER_LEN + 1]; } tBTA_HF_CLIENT_DATA_VAL; /* union of all event datatypes */ typedef union { BT_HDR_RIGID hdr; 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; /* First handle for the control block */ #define BTA_HF_CLIENT_CB_FIRST_HANDLE 1 /* 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 HF control block */ typedef struct { // Fields useful for particular control block. uint8_t handle; /* Handle of the control block to be used by upper layer */ RawAddress peer_addr; /* peer bd address */ tSDP_DISCOVERY_DB* p_disc_db; /* pointer to discovery database */ uint16_t conn_handle; /* RFCOMM handle of connected service */ tBTA_HF_CLIENT_PEER_FEAT peer_features; /* peer device features */ tBTA_HF_CLIENT_CHLD_FEAT chld_features; /* call handling features */ uint16_t peer_version; /* profile version of peer device */ uint8_t peer_scn; /* peer scn */ uint8_t role; /* initiator/acceptor role */ uint16_t sco_idx; /* SCO handle */ uint8_t sco_state; /* SCO state variable */ bool sco_close_rfc; /* true if also close RFCOMM after SCO */ tBTM_SCO_CODEC_TYPE negotiated_codec; /* negotiated codec */ bool svc_conn; /* set to true when service level connection is up */ bool send_at_reply; /* set to true to notify framework about AT results */ tBTA_HF_CLIENT_AT_CB at_cb; /* AT Parser control block */ uint8_t state; /* state machine state */ bool is_allocated; /* if the control block is already allocated */ alarm_t* collision_timer; /* Collision timer */ std::unordered_set peer_hf_indicators; /* peer supported hf indicator indices (HFP1.7) */ std::unordered_set enabled_hf_indicators; /* enabled hf indicator indices (HFP1.7) */ } tBTA_HF_CLIENT_CB; typedef struct { // Common fields, should be taken out. uint32_t sdp_handle; uint8_t scn; tBTA_HF_CLIENT_CBACK* p_cback; /* application callback */ tBTA_HF_CLIENT_FEAT features; /* features registered by application */ uint16_t serv_handle; /* RFCOMM server handle */ bool deregister; /* true if service shutting down */ bool is_support_lc3; /* true if enable lc3 codec support (HFP1.9) */ // Maximum number of control blocks supported by the BTA layer. tBTA_HF_CLIENT_CB cb[HF_CLIENT_MAX_DEVICES]; } tBTA_HF_CLIENT_CB_ARR; extern tBTA_HF_CLIENT_CB_ARR bta_hf_client_cb_arr; /***************************************************************************** * Function prototypes ****************************************************************************/ /* main functions */ tBTA_HF_CLIENT_CB* bta_hf_client_find_cb_by_handle(uint16_t handle); tBTA_HF_CLIENT_CB* bta_hf_client_find_cb_by_bda(const RawAddress& bd_addr); tBTA_HF_CLIENT_CB* bta_hf_client_find_cb_by_rfc_handle(uint16_t handle); tBTA_HF_CLIENT_CB* bta_hf_client_find_cb_by_sco_handle(uint16_t handle); bool bta_hf_client_hdl_event(const BT_HDR_RIGID* p_msg); void bta_hf_client_sm_execute(uint16_t event, tBTA_HF_CLIENT_DATA* p_data); void bta_hf_client_slc_seq(tBTA_HF_CLIENT_CB* client_cb, bool error); bool bta_hf_client_allocate_handle(const RawAddress& bd_addr, uint16_t* p_handle); void bta_hf_client_app_callback(uint16_t event, tBTA_HF_CLIENT* data); void bta_hf_client_collision_cback(tBTA_SYS_CONN_STATUS status, tBTA_SYS_ID id, uint8_t app_id, const RawAddress& peer_addr); void bta_hf_client_resume_open(tBTA_HF_CLIENT_CB* client_cb); tBTA_STATUS bta_hf_client_api_enable(tBTA_HF_CLIENT_CBACK* p_cback, tBTA_HF_CLIENT_FEAT features, const char* p_service_name); void bta_hf_client_api_disable(void); void bta_hf_client_dump_statistics(int fd); void bta_hf_client_cb_arr_init(void); /* SDP functions */ bool bta_hf_client_add_record(const char* p_service_name, uint8_t scn, tBTA_HF_CLIENT_FEAT features, uint32_t sdp_handle); void bta_hf_client_create_record(tBTA_HF_CLIENT_CB_ARR* client_cb, const char* p_data); void bta_hf_client_del_record(tBTA_HF_CLIENT_CB_ARR* client_cb); bool bta_hf_client_sdp_find_attr(tBTA_HF_CLIENT_CB* client_cb); void bta_hf_client_do_disc(tBTA_HF_CLIENT_CB* client_cb); void bta_hf_client_free_db(tBTA_HF_CLIENT_DATA* p_data); /* RFCOMM functions */ void bta_hf_client_setup_port(uint16_t handle); void bta_hf_client_start_server(); void bta_hf_client_close_server(); void bta_hf_client_rfc_do_open(tBTA_HF_CLIENT_DATA* p_data); void bta_hf_client_rfc_do_close(tBTA_HF_CLIENT_DATA* p_data); /* SCO functions */ void bta_hf_client_sco_listen(tBTA_HF_CLIENT_DATA* p_data); void bta_hf_client_sco_conn_open(tBTA_HF_CLIENT_DATA* p_data); void bta_hf_client_sco_conn_close(tBTA_HF_CLIENT_DATA* p_data); void bta_hf_client_sco_open(tBTA_HF_CLIENT_DATA* p_data); void bta_hf_client_sco_close(tBTA_HF_CLIENT_DATA* p_data); void bta_hf_client_sco_shutdown(tBTA_HF_CLIENT_CB* client_cb); void bta_hf_client_cback_sco(tBTA_HF_CLIENT_CB* client_cb, uint8_t event); /* AT command functions */ void bta_hf_client_at_parse(tBTA_HF_CLIENT_CB* client_cb, char* buf, unsigned int len); void bta_hf_client_send_at_brsf(tBTA_HF_CLIENT_CB* client_cb, tBTA_HF_CLIENT_FEAT features); void bta_hf_client_send_at_bac(tBTA_HF_CLIENT_CB* client_cb); void bta_hf_client_send_at_cind(tBTA_HF_CLIENT_CB* client_cb, bool status); void bta_hf_client_send_at_cmer(tBTA_HF_CLIENT_CB* client_cb, bool activate); void bta_hf_client_send_at_chld(tBTA_HF_CLIENT_CB* client_cb, char cmd, uint32_t idx); void bta_hf_client_send_at_bind(tBTA_HF_CLIENT_CB* client_cb, int step); void bta_hf_client_send_at_biev(tBTA_HF_CLIENT_CB* client_cb, int ind_id, int value); void bta_hf_client_send_at_clip(tBTA_HF_CLIENT_CB* client_cb, bool activate); void bta_hf_client_send_at_ccwa(tBTA_HF_CLIENT_CB* client_cb, bool activate); void bta_hf_client_send_at_cmee(tBTA_HF_CLIENT_CB* client_cb, bool activate); void bta_hf_client_send_at_cops(tBTA_HF_CLIENT_CB* client_cb, bool query); void bta_hf_client_send_at_clcc(tBTA_HF_CLIENT_CB* client_cb); void bta_hf_client_send_at_bvra(tBTA_HF_CLIENT_CB* client_cb, bool enable); void bta_hf_client_send_at_vgs(tBTA_HF_CLIENT_CB* client_cb, uint32_t volume); void bta_hf_client_send_at_vgm(tBTA_HF_CLIENT_CB* client_cb, uint32_t volume); void bta_hf_client_send_at_atd(tBTA_HF_CLIENT_CB* client_cb, char* number, uint32_t memory); void bta_hf_client_send_at_bldn(tBTA_HF_CLIENT_CB* client_cb); void bta_hf_client_send_at_ata(tBTA_HF_CLIENT_CB* client_cb); void bta_hf_client_send_at_chup(tBTA_HF_CLIENT_CB* client_cb); void bta_hf_client_send_at_btrh(tBTA_HF_CLIENT_CB* client_cb, bool query, uint32_t val); void bta_hf_client_send_at_vts(tBTA_HF_CLIENT_CB* client_cb, char code); void bta_hf_client_send_at_bcc(tBTA_HF_CLIENT_CB* client_cb); void bta_hf_client_send_at_bcs(tBTA_HF_CLIENT_CB* client_cb, uint32_t codec); void bta_hf_client_send_at_cnum(tBTA_HF_CLIENT_CB* client_cb); void bta_hf_client_send_at_nrec(tBTA_HF_CLIENT_CB* client_cb); void bta_hf_client_send_at_binp(tBTA_HF_CLIENT_CB* client_cb, uint32_t action); void bta_hf_client_send_at_bia(tBTA_HF_CLIENT_CB* client_cb); /* AT API Functions */ void bta_hf_client_at_init(tBTA_HF_CLIENT_CB* client_cb); void bta_hf_client_at_reset(tBTA_HF_CLIENT_CB* client_cb); void bta_hf_client_ind(tBTA_HF_CLIENT_CB* client_cb, tBTA_HF_CLIENT_IND_TYPE type, uint16_t value); void bta_hf_client_evt_val(tBTA_HF_CLIENT_CB* client_cb, tBTA_HF_CLIENT_EVT type, uint16_t value); void bta_hf_client_operator_name(tBTA_HF_CLIENT_CB* client_name, char* name); void bta_hf_client_clip(tBTA_HF_CLIENT_CB* client_cb, char* number); void bta_hf_client_ccwa(tBTA_HF_CLIENT_CB* client_cb, char* number); void bta_hf_client_at_result(tBTA_HF_CLIENT_CB* client_cb, tBTA_HF_CLIENT_AT_RESULT_TYPE type, uint16_t cme); void bta_hf_client_clcc(tBTA_HF_CLIENT_CB* client_cb, uint32_t idx, bool incoming, uint8_t status, bool mpty, char* number); void bta_hf_client_cnum(tBTA_HF_CLIENT_CB* client_cb, char* number, uint16_t service); void bta_hf_client_binp(tBTA_HF_CLIENT_CB* client_cb, char* number); /* Action functions */ void bta_hf_client_start_close(tBTA_HF_CLIENT_DATA* p_data); void bta_hf_client_start_open(tBTA_HF_CLIENT_DATA* p_data); void bta_hf_client_rfc_acp_open(tBTA_HF_CLIENT_DATA* p_data); void bta_hf_client_rfc_open(tBTA_HF_CLIENT_DATA* p_data); void bta_hf_client_rfc_fail(tBTA_HF_CLIENT_DATA* p_data); void bta_hf_client_disc_fail(tBTA_HF_CLIENT_DATA* p_data); void bta_hf_client_open_fail(tBTA_HF_CLIENT_DATA* p_data); void bta_hf_client_rfc_close(tBTA_HF_CLIENT_DATA* p_data); void bta_hf_client_disc_acp_res(tBTA_HF_CLIENT_DATA* p_data); void bta_hf_client_rfc_data(tBTA_HF_CLIENT_DATA* p_data); void bta_hf_client_disc_int_res(tBTA_HF_CLIENT_DATA* p_data); void bta_hf_client_svc_conn_open(tBTA_HF_CLIENT_DATA* p_data); /* Commands handling functions */ void bta_hf_client_dial(tBTA_HF_CLIENT_DATA* p_data); void bta_hf_client_send_at_cmd(tBTA_HF_CLIENT_DATA* p_data);