| /****************************************************************************** |
| * |
| * 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 <cstdint> |
| #include <unordered_set> |
| |
| #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/bt_types.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, |
| }; |
| |
| /***************************************************************************** |
| * 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; |
| uint16_t 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<int> |
| peer_hf_indicators; /* peer supported hf indicator indices (HFP1.7) */ |
| std::unordered_set<int> |
| 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 */ |
| |
| // 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 */ |
| extern tBTA_HF_CLIENT_CB* bta_hf_client_find_cb_by_handle(uint16_t handle); |
| extern tBTA_HF_CLIENT_CB* bta_hf_client_find_cb_by_bda( |
| const RawAddress& bd_addr); |
| extern tBTA_HF_CLIENT_CB* bta_hf_client_find_cb_by_rfc_handle(uint16_t handle); |
| extern tBTA_HF_CLIENT_CB* bta_hf_client_find_cb_by_sco_handle(uint16_t handle); |
| extern bool bta_hf_client_hdl_event(BT_HDR_RIGID* p_msg); |
| extern void bta_hf_client_sm_execute(uint16_t event, |
| tBTA_HF_CLIENT_DATA* p_data); |
| extern void bta_hf_client_slc_seq(tBTA_HF_CLIENT_CB* client_cb, bool error); |
| extern bool bta_hf_client_allocate_handle(const RawAddress& bd_addr, |
| uint16_t* p_handle); |
| extern void bta_hf_client_app_callback(uint16_t event, tBTA_HF_CLIENT* data); |
| extern void bta_hf_client_collision_cback(tBTA_SYS_CONN_STATUS status, |
| uint8_t id, uint8_t app_id, |
| const RawAddress& peer_addr); |
| extern void bta_hf_client_resume_open(tBTA_HF_CLIENT_CB* client_cb); |
| extern tBTA_STATUS bta_hf_client_api_enable(tBTA_HF_CLIENT_CBACK* p_cback, |
| tBTA_HF_CLIENT_FEAT features, |
| const char* p_service_name); |
| |
| extern void bta_hf_client_api_disable(void); |
| extern void bta_hf_client_dump_statistics(int fd); |
| extern void bta_hf_client_cb_arr_init(void); |
| |
| /* SDP functions */ |
| extern bool bta_hf_client_add_record(char* p_service_name, uint8_t scn, |
| tBTA_HF_CLIENT_FEAT features, |
| uint32_t sdp_handle); |
| extern void bta_hf_client_create_record(tBTA_HF_CLIENT_CB_ARR* client_cb, |
| const char* p_data); |
| extern void bta_hf_client_del_record(tBTA_HF_CLIENT_CB_ARR* client_cb); |
| extern bool bta_hf_client_sdp_find_attr(tBTA_HF_CLIENT_CB* client_cb); |
| extern void bta_hf_client_do_disc(tBTA_HF_CLIENT_CB* client_cb); |
| extern void bta_hf_client_free_db(tBTA_HF_CLIENT_DATA* p_data); |
| |
| /* RFCOMM functions */ |
| extern void bta_hf_client_setup_port(uint16_t handle); |
| extern void bta_hf_client_start_server(); |
| extern void bta_hf_client_close_server(); |
| 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_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_sco_shutdown(tBTA_HF_CLIENT_CB* client_cb); |
| extern void bta_hf_client_cback_sco(tBTA_HF_CLIENT_CB* client_cb, |
| uint8_t event); |
| |
| /* AT command functions */ |
| extern void bta_hf_client_at_parse(tBTA_HF_CLIENT_CB* client_cb, char* buf, |
| unsigned int len); |
| extern void bta_hf_client_send_at_brsf(tBTA_HF_CLIENT_CB* client_cb, |
| tBTA_HF_CLIENT_FEAT features); |
| extern void bta_hf_client_send_at_bac(tBTA_HF_CLIENT_CB* client_cb); |
| extern void bta_hf_client_send_at_cind(tBTA_HF_CLIENT_CB* client_cb, |
| bool status); |
| extern void bta_hf_client_send_at_cmer(tBTA_HF_CLIENT_CB* client_cb, |
| bool activate); |
| extern void bta_hf_client_send_at_chld(tBTA_HF_CLIENT_CB* client_cb, char cmd, |
| uint32_t idx); |
| extern void bta_hf_client_send_at_bind(tBTA_HF_CLIENT_CB* client_cb, int step); |
| extern void bta_hf_client_send_at_biev(tBTA_HF_CLIENT_CB* client_cb, int ind_id, |
| int value); |
| extern void bta_hf_client_send_at_clip(tBTA_HF_CLIENT_CB* client_cb, |
| bool activate); |
| extern void bta_hf_client_send_at_ccwa(tBTA_HF_CLIENT_CB* client_cb, |
| bool activate); |
| extern void bta_hf_client_send_at_cmee(tBTA_HF_CLIENT_CB* client_cb, |
| bool activate); |
| extern void bta_hf_client_send_at_cops(tBTA_HF_CLIENT_CB* client_cb, |
| bool query); |
| extern void bta_hf_client_send_at_clcc(tBTA_HF_CLIENT_CB* client_cb); |
| extern void bta_hf_client_send_at_bvra(tBTA_HF_CLIENT_CB* client_cb, |
| bool enable); |
| extern void bta_hf_client_send_at_vgs(tBTA_HF_CLIENT_CB* client_cb, |
| uint32_t volume); |
| extern void bta_hf_client_send_at_vgm(tBTA_HF_CLIENT_CB* client_cb, |
| uint32_t volume); |
| extern void bta_hf_client_send_at_atd(tBTA_HF_CLIENT_CB* client_cb, |
| char* number, uint32_t memory); |
| extern void bta_hf_client_send_at_bldn(tBTA_HF_CLIENT_CB* client_cb); |
| extern void bta_hf_client_send_at_ata(tBTA_HF_CLIENT_CB* client_cb); |
| extern void bta_hf_client_send_at_chup(tBTA_HF_CLIENT_CB* client_cb); |
| extern void bta_hf_client_send_at_btrh(tBTA_HF_CLIENT_CB* client_cb, bool query, |
| uint32_t val); |
| extern void bta_hf_client_send_at_vts(tBTA_HF_CLIENT_CB* client_cb, char code); |
| extern void bta_hf_client_send_at_bcc(tBTA_HF_CLIENT_CB* client_cb); |
| extern void bta_hf_client_send_at_bcs(tBTA_HF_CLIENT_CB* client_cb, |
| uint32_t codec); |
| extern void bta_hf_client_send_at_cnum(tBTA_HF_CLIENT_CB* client_cb); |
| extern void bta_hf_client_send_at_nrec(tBTA_HF_CLIENT_CB* client_cb); |
| extern void bta_hf_client_send_at_binp(tBTA_HF_CLIENT_CB* client_cb, |
| uint32_t action); |
| extern 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); |
| extern void bta_hf_client_ind(tBTA_HF_CLIENT_CB* client_cb, |
| tBTA_HF_CLIENT_IND_TYPE type, uint16_t value); |
| extern void bta_hf_client_evt_val(tBTA_HF_CLIENT_CB* client_cb, |
| tBTA_HF_CLIENT_EVT type, uint16_t value); |
| extern void bta_hf_client_operator_name(tBTA_HF_CLIENT_CB* client_name, |
| char* name); |
| extern void bta_hf_client_clip(tBTA_HF_CLIENT_CB* client_cb, char* number); |
| extern void bta_hf_client_ccwa(tBTA_HF_CLIENT_CB* client_cb, char* number); |
| extern void bta_hf_client_at_result(tBTA_HF_CLIENT_CB* client_cb, |
| tBTA_HF_CLIENT_AT_RESULT_TYPE type, |
| uint16_t cme); |
| extern void bta_hf_client_clcc(tBTA_HF_CLIENT_CB* client_cb, uint32_t idx, |
| bool incoming, uint8_t status, bool mpty, |
| char* number); |
| extern void bta_hf_client_cnum(tBTA_HF_CLIENT_CB* client_cb, char* number, |
| uint16_t service); |
| extern void bta_hf_client_binp(tBTA_HF_CLIENT_CB* client_cb, char* number); |
| |
| /* Action functions */ |
| 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); |
| |
| /* 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); |
