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348 lines
11 KiB
348 lines
11 KiB
/*
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* Copyright (C) 2012 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ANDROID_INCLUDE_BT_HF_H
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#define ANDROID_INCLUDE_BT_HF_H
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__BEGIN_DECLS
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/* AT response code - OK/Error */
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typedef enum {
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BTHF_AT_RESPONSE_ERROR = 0,
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BTHF_AT_RESPONSE_OK
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} bthf_at_response_t;
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typedef enum {
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BTHF_CONNECTION_STATE_DISCONNECTED = 0,
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BTHF_CONNECTION_STATE_CONNECTING,
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BTHF_CONNECTION_STATE_CONNECTED,
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BTHF_CONNECTION_STATE_SLC_CONNECTED,
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BTHF_CONNECTION_STATE_DISCONNECTING
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} bthf_connection_state_t;
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typedef enum {
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BTHF_AUDIO_STATE_DISCONNECTED = 0,
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BTHF_AUDIO_STATE_CONNECTING,
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BTHF_AUDIO_STATE_CONNECTED,
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BTHF_AUDIO_STATE_DISCONNECTING
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} bthf_audio_state_t;
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typedef enum {
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BTHF_VR_STATE_STOPPED = 0,
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BTHF_VR_STATE_STARTED
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} bthf_vr_state_t;
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typedef enum {
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BTHF_VOLUME_TYPE_SPK = 0,
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BTHF_VOLUME_TYPE_MIC
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} bthf_volume_type_t;
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/* Noise Reduction and Echo Cancellation */
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typedef enum
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{
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BTHF_NREC_STOP,
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BTHF_NREC_START
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} bthf_nrec_t;
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/* WBS codec setting */
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typedef enum
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{
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BTHF_WBS_NONE,
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BTHF_WBS_NO,
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BTHF_WBS_YES
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}bthf_wbs_config_t;
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/* BIND type*/
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typedef enum
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{
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BTHF_BIND_SET,
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BTHF_BIND_READ,
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BTHF_BIND_TEST
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}bthf_bind_type_t;
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/* CHLD - Call held handling */
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typedef enum
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{
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BTHF_CHLD_TYPE_RELEASEHELD, // Terminate all held or set UDUB("busy") to a waiting call
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BTHF_CHLD_TYPE_RELEASEACTIVE_ACCEPTHELD, // Terminate all active calls and accepts a waiting/held call
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BTHF_CHLD_TYPE_HOLDACTIVE_ACCEPTHELD, // Hold all active calls and accepts a waiting/held call
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BTHF_CHLD_TYPE_ADDHELDTOCONF, // Add all held calls to a conference
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} bthf_chld_type_t;
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/** Callback for connection state change.
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* state will have one of the values from BtHfConnectionState
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*/
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typedef void (* bthf_connection_state_callback)(bthf_connection_state_t state, bt_bdaddr_t *bd_addr);
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/** Callback for audio connection state change.
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* state will have one of the values from BtHfAudioState
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*/
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typedef void (* bthf_audio_state_callback)(bthf_audio_state_t state, bt_bdaddr_t *bd_addr);
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/** Callback for VR connection state change.
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* state will have one of the values from BtHfVRState
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*/
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typedef void (* bthf_vr_cmd_callback)(bthf_vr_state_t state, bt_bdaddr_t *bd_addr);
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/** Callback for answer incoming call (ATA)
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*/
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typedef void (* bthf_answer_call_cmd_callback)(bt_bdaddr_t *bd_addr);
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/** Callback for disconnect call (AT+CHUP)
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*/
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typedef void (* bthf_hangup_call_cmd_callback)(bt_bdaddr_t *bd_addr);
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/** Callback for disconnect call (AT+CHUP)
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* type will denote Speaker/Mic gain (BtHfVolumeControl).
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*/
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typedef void (* bthf_volume_cmd_callback)(bthf_volume_type_t type, int volume, bt_bdaddr_t *bd_addr);
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/** Callback for dialing an outgoing call
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* If number is NULL, redial
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*/
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typedef void (* bthf_dial_call_cmd_callback)(char *number, bt_bdaddr_t *bd_addr);
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/** Callback for sending DTMF tones
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* tone contains the dtmf character to be sent
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*/
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typedef void (* bthf_dtmf_cmd_callback)(char tone, bt_bdaddr_t *bd_addr);
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/** Callback for enabling/disabling noise reduction/echo cancellation
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* value will be 1 to enable, 0 to disable
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*/
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typedef void (* bthf_nrec_cmd_callback)(bthf_nrec_t nrec, bt_bdaddr_t *bd_addr);
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/** Callback for AT+BCS and event from BAC
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* WBS enable, WBS disable
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*/
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typedef void (* bthf_wbs_callback)(bthf_wbs_config_t wbs, bt_bdaddr_t *bd_addr);
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/** Callback for call hold handling (AT+CHLD)
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* value will contain the call hold command (0, 1, 2, 3)
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*/
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typedef void (* bthf_chld_cmd_callback)(bthf_chld_type_t chld, bt_bdaddr_t *bd_addr);
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/** Callback for CNUM (subscriber number)
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*/
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typedef void (* bthf_cnum_cmd_callback)(bt_bdaddr_t *bd_addr);
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/** Callback for indicators (CIND)
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*/
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typedef void (* bthf_cind_cmd_callback)(bt_bdaddr_t *bd_addr);
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/** Callback for operator selection (COPS)
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*/
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typedef void (* bthf_cops_cmd_callback)(bt_bdaddr_t *bd_addr);
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/** Callback for call list (AT+CLCC)
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*/
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typedef void (* bthf_clcc_cmd_callback) (bt_bdaddr_t *bd_addr);
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/** Callback for unknown AT command recd from HF
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* at_string will contain the unparsed AT string
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*/
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typedef void (* bthf_unknown_at_cmd_callback)(char *at_string, bt_bdaddr_t *bd_addr);
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/** Callback for keypressed (HSP) event.
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*/
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typedef void (* bthf_key_pressed_cmd_callback)(bt_bdaddr_t *bd_addr);
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/** Callback for HF indicators (BIND)
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*/
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typedef void (* bthf_bind_cmd_callback)(char* hf_ind, bthf_bind_type_t type, bt_bdaddr_t *bd_addr);
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/** Callback for HF indicator value (BIEV)
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*/
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typedef void (* bthf_biev_cmd_callback)(char* hf_ind_val, bt_bdaddr_t *bd_addr);
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/** BT-HF callback structure. */
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typedef struct {
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/** set to sizeof(BtHfCallbacks) */
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size_t size;
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bthf_connection_state_callback connection_state_cb;
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bthf_audio_state_callback audio_state_cb;
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bthf_vr_cmd_callback vr_cmd_cb;
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bthf_answer_call_cmd_callback answer_call_cmd_cb;
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bthf_hangup_call_cmd_callback hangup_call_cmd_cb;
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bthf_volume_cmd_callback volume_cmd_cb;
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bthf_dial_call_cmd_callback dial_call_cmd_cb;
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bthf_dtmf_cmd_callback dtmf_cmd_cb;
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bthf_nrec_cmd_callback nrec_cmd_cb;
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bthf_wbs_callback wbs_cb;
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bthf_chld_cmd_callback chld_cmd_cb;
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bthf_cnum_cmd_callback cnum_cmd_cb;
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bthf_cind_cmd_callback cind_cmd_cb;
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bthf_cops_cmd_callback cops_cmd_cb;
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bthf_clcc_cmd_callback clcc_cmd_cb;
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bthf_unknown_at_cmd_callback unknown_at_cmd_cb;
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bthf_key_pressed_cmd_callback key_pressed_cmd_cb;
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bthf_bind_cmd_callback bind_cmd_cb;
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bthf_biev_cmd_callback biev_cmd_cb;
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} bthf_callbacks_t;
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/** Network Status */
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typedef enum
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{
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BTHF_NETWORK_STATE_NOT_AVAILABLE = 0,
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BTHF_NETWORK_STATE_AVAILABLE
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} bthf_network_state_t;
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/** Service type */
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typedef enum
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{
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BTHF_SERVICE_TYPE_HOME = 0,
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BTHF_SERVICE_TYPE_ROAMING
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} bthf_service_type_t;
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typedef enum {
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BTHF_CALL_STATE_ACTIVE = 0,
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BTHF_CALL_STATE_HELD,
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BTHF_CALL_STATE_DIALING,
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BTHF_CALL_STATE_ALERTING,
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BTHF_CALL_STATE_INCOMING,
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BTHF_CALL_STATE_WAITING,
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BTHF_CALL_STATE_IDLE
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} bthf_call_state_t;
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typedef enum {
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BTHF_CALL_DIRECTION_OUTGOING = 0,
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BTHF_CALL_DIRECTION_INCOMING
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} bthf_call_direction_t;
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typedef enum {
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BTHF_CALL_TYPE_VOICE = 0,
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BTHF_CALL_TYPE_DATA,
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BTHF_CALL_TYPE_FAX
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} bthf_call_mode_t;
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typedef enum {
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BTHF_CALL_MPTY_TYPE_SINGLE = 0,
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BTHF_CALL_MPTY_TYPE_MULTI
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} bthf_call_mpty_type_t;
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typedef enum {
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BTHF_HF_INDICATOR_STATE_DISABLED = 0,
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BTHF_HF_INDICATOR_STATE_ENABLED
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} bthf_hf_indicator_status_t;
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typedef enum {
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BTHF_CALL_ADDRTYPE_UNKNOWN = 0x81,
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BTHF_CALL_ADDRTYPE_INTERNATIONAL = 0x91
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} bthf_call_addrtype_t;
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typedef enum {
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BTHF_VOIP_CALL_NETWORK_TYPE_MOBILE = 0,
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BTHF_VOIP_CALL_NETWORK_TYPE_WIFI
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} bthf_voip_call_network_type_t;
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typedef enum {
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BTHF_VOIP_STATE_STOPPED = 0,
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BTHF_VOIP_STATE_STARTED
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} bthf_voip_state_t;
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/** Represents the standard BT-HF interface. */
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typedef struct {
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/** set to sizeof(BtHfInterface) */
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size_t size;
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/**
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* Register the BtHf callbacks
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*/
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bt_status_t (*init)( bthf_callbacks_t* callbacks, int max_hf_clients);
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/** connect to headset */
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bt_status_t (*connect)( bt_bdaddr_t *bd_addr );
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/** dis-connect from headset */
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bt_status_t (*disconnect)( bt_bdaddr_t *bd_addr );
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/** create an audio connection */
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bt_status_t (*connect_audio)( bt_bdaddr_t *bd_addr );
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/** close the audio connection */
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bt_status_t (*disconnect_audio)( bt_bdaddr_t *bd_addr );
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/** start voice recognition */
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bt_status_t (*start_voice_recognition)( bt_bdaddr_t *bd_addr );
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/** stop voice recognition */
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bt_status_t (*stop_voice_recognition)( bt_bdaddr_t *bd_addr );
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/** volume control */
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bt_status_t (*volume_control) (bthf_volume_type_t type, int volume, bt_bdaddr_t *bd_addr );
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/** Combined device status change notification */
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bt_status_t (*device_status_notification)(bthf_network_state_t ntk_state, bthf_service_type_t svc_type, int signal,
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int batt_chg);
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/** Response for COPS command */
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bt_status_t (*cops_response)(const char *cops, bt_bdaddr_t *bd_addr );
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/** Response for CIND command */
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bt_status_t (*cind_response)(int svc, int num_active, int num_held, bthf_call_state_t call_setup_state,
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int signal, int roam, int batt_chg, bt_bdaddr_t *bd_addr );
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/** Pre-formatted AT response, typically in response to unknown AT cmd */
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bt_status_t (*formatted_at_response)(const char *rsp, bt_bdaddr_t *bd_addr );
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/** ok/error response
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* ERROR (0)
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* OK (1)
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*/
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bt_status_t (*at_response) (bthf_at_response_t response_code, int error_code, bt_bdaddr_t *bd_addr );
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/** response for CLCC command
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* Can be iteratively called for each call index
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* Call index of 0 will be treated as NULL termination (Completes response)
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*/
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bt_status_t (*clcc_response) (int index, bthf_call_direction_t dir,
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bthf_call_state_t state, bthf_call_mode_t mode,
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bthf_call_mpty_type_t mpty, const char *number,
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bthf_call_addrtype_t type, bt_bdaddr_t *bd_addr );
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/** notify of a call state change
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* Each update notifies
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* 1. Number of active/held/ringing calls
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* 2. call_state: This denotes the state change that triggered this msg
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* This will take one of the values from BtHfCallState
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* 3. number & type: valid only for incoming & waiting call
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*/
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bt_status_t (*phone_state_change) (int num_active, int num_held, bthf_call_state_t call_setup_state,
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const char *number, bthf_call_addrtype_t type);
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/** Closes the interface. */
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void (*cleanup)( void );
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/** configureation for the SCO codec */
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bt_status_t (*configure_wbs)( bt_bdaddr_t *bd_addr ,bthf_wbs_config_t config );
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/** Response for BIND READ command and activation/deactivation of HF indicator */
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bt_status_t (*bind_response) (int anum, bthf_hf_indicator_status_t status,
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bt_bdaddr_t *bd_addr);
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/** Response for BIND TEST command */
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bt_status_t (*bind_string_response) (const char* result, bt_bdaddr_t *bd_addr);
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/** Sends connectivity network type used by Voip currently to stack */
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bt_status_t (*voip_network_type_wifi) (bthf_voip_state_t is_voip_started,
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bthf_voip_call_network_type_t is_network_wifi);
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} bthf_interface_t;
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__END_DECLS
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#endif /* ANDROID_INCLUDE_BT_HF_H */
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