/****************************************************************************** * * Copyright (c) 2014 The Android Open Source Project * Copyright 2009-2012 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. * ******************************************************************************/ /******************************************************************************* * * Filename: btif_hf_client.c * * Description: Handsfree Profile (HF role) Bluetooth Interface * * Notes: * a) Lifecycle of a control block * Control block handles the lifecycle for a particular remote device's * connection. The connection can go via the classic phases but more * importantly there's only two messages from BTA that affect this. * BTA_HF_CLIENT_OPEN_EVT and BTA_HF_CLIENT_CLOSE_EVT. Since the API between * BTIF and BTA is controlled entirely by handles it's important to know where * the handles are created and destroyed. Handles can be created at two * locations: * -- While connect() is called from BTIF. This is an outgoing connection * -- While accepting an incoming connection (see BTA_HF_CLIENT_OPEN_EVT * handling). * * The destruction or rather reuse of handles can be done when * BTA_HF_CLIENT_CLOSE_EVT is called. Refer to the event handling for details * of this. * ******************************************************************************/ #define LOG_TAG "bt_btif_hfc" #include #include #include #include #include "bt_utils.h" #include "bta_hf_client_api.h" #include "btif_common.h" #include "btif_profile_queue.h" #include "btif_util.h" #include "osi/include/osi.h" #include "osi/include/properties.h" /******************************************************************************* * Constants & Macros ******************************************************************************/ #ifndef BTIF_HF_CLIENT_SERVICE_NAME #define BTIF_HF_CLIENT_SERVICE_NAME ("Handsfree") #endif #ifndef BTIF_HF_CLIENT_SECURITY #define BTIF_HF_CLIENT_SECURITY (BTA_SEC_AUTHENTICATE | BTA_SEC_ENCRYPT) #endif #ifndef BTIF_HF_CLIENT_FEATURES #define BTIF_HF_CLIENT_FEATURES \ (BTA_HF_CLIENT_FEAT_ECNR | BTA_HF_CLIENT_FEAT_3WAY | \ BTA_HF_CLIENT_FEAT_CLI | BTA_HF_CLIENT_FEAT_VREC | BTA_HF_CLIENT_FEAT_VOL | \ BTA_HF_CLIENT_FEAT_ECS | BTA_HF_CLIENT_FEAT_ECC | BTA_HF_CLIENT_FEAT_CODEC) #endif /******************************************************************************* * Local type definitions ******************************************************************************/ /* BTIF-HF control block to map bdaddr to BTA handle */ typedef struct { uint16_t handle; // Handle obtained frm the BTA RawAddress peer_bda; // Device corresponding to handle bthf_client_connection_state_t state; // State of current connection tBTA_HF_CLIENT_PEER_FEAT peer_feat; // HF features tBTA_HF_CLIENT_CHLD_FEAT chld_feat; // AT+CHLD=<> command features } btif_hf_client_cb_t; /* Max devices supported by BTIF (useful to match the value in BTA) */ #define HF_CLIENT_MAX_DEVICES 10 typedef struct { btif_hf_client_cb_t cb[HF_CLIENT_MAX_DEVICES]; } btif_hf_client_cb_arr_t; /****************************************************************************** * Local function declarations ******************************************************************************/ btif_hf_client_cb_t* btif_hf_client_get_cb_by_handle(uint16_t handle); btif_hf_client_cb_t* btif_hf_client_get_cb_by_bda(const RawAddress& addr); bool is_connected(const btif_hf_client_cb_t* cb); /******************************************************************************* * Static variables ******************************************************************************/ static bthf_client_callbacks_t* bt_hf_client_callbacks = NULL; char btif_hf_client_version[PROPERTY_VALUE_MAX]; static const char* dump_hf_client_conn_state(uint16_t event) { switch (event) { CASE_RETURN_STR(BTHF_CLIENT_CONNECTION_STATE_DISCONNECTED) CASE_RETURN_STR(BTHF_CLIENT_CONNECTION_STATE_CONNECTING) CASE_RETURN_STR(BTHF_CLIENT_CONNECTION_STATE_CONNECTED) CASE_RETURN_STR(BTHF_CLIENT_CONNECTION_STATE_SLC_CONNECTED) CASE_RETURN_STR(BTHF_CLIENT_CONNECTION_STATE_DISCONNECTING) default: return "UNKNOWN MSG ID"; } } #define CHECK_BTHF_CLIENT_INIT() \ do { \ if (bt_hf_client_callbacks == NULL) { \ BTIF_TRACE_WARNING("BTHF CLIENT: %s: not initialized", __func__); \ return BT_STATUS_NOT_READY; \ } else { \ BTIF_TRACE_EVENT("BTHF CLIENT: %s", __func__); \ } \ } while (0) #define CHECK_BTHF_CLIENT_SLC_CONNECTED(cb) \ do { \ if (bt_hf_client_callbacks == NULL) { \ BTIF_TRACE_WARNING("BTHF CLIENT: %s: not initialized", __func__); \ return BT_STATUS_NOT_READY; \ } else if ((cb)->state != BTHF_CLIENT_CONNECTION_STATE_SLC_CONNECTED) { \ BTIF_TRACE_WARNING("BTHF CLIENT: %s: SLC connection not up. state=%s", \ __func__, dump_hf_client_conn_state((cb)->state)); \ return BT_STATUS_NOT_READY; \ } else { \ BTIF_TRACE_EVENT("BTHF CLIENT: %s", __func__); \ } \ } while (0) static btif_hf_client_cb_arr_t btif_hf_client_cb_arr; /******************************************************************************* * Static functions ******************************************************************************/ /******************************************************************************* * * Function btif_in_hf_client_generic_evt * * Description Processes generic events to be sent to JNI that are not * triggered from the BTA. * Always runs in BTIF context * * Returns void * ******************************************************************************/ static void btif_in_hf_client_generic_evt(uint16_t event, char* p_param) { BTIF_TRACE_DEBUG("%s", __func__); RawAddress* bd_addr = (RawAddress*)p_param; btif_hf_client_cb_t* cb = btif_hf_client_get_cb_by_bda(*bd_addr); if (cb == NULL || !is_connected(cb)) { BTIF_TRACE_ERROR("%s: failed to find block for bda", __func__); } BTIF_TRACE_EVENT("%s: event=%d", __func__, event); switch (event) { case BTIF_HF_CLIENT_CB_AUDIO_CONNECTING: { HAL_CBACK(bt_hf_client_callbacks, audio_state_cb, &cb->peer_bda, (bthf_client_audio_state_t)BTHF_CLIENT_AUDIO_STATE_CONNECTING); } break; default: { BTIF_TRACE_WARNING("%s: : Unknown event 0x%x", __func__, event); } break; } } /******************************************************************************* * Functions ******************************************************************************/ bool is_connected(const btif_hf_client_cb_t* cb) { if ((cb->state == BTHF_CLIENT_CONNECTION_STATE_CONNECTED) || (cb->state == BTHF_CLIENT_CONNECTION_STATE_SLC_CONNECTED)) return true; BTIF_TRACE_ERROR("%s: not connected!", __func__); return false; } /******************************************************************************* * * Function btif_hf_client_get_cb_by_handle * * Description Get control block by handle * * Returns btif_hf_client_cb_t pointer if available NULL otherwise * ******************************************************************************/ btif_hf_client_cb_t* btif_hf_client_get_cb_by_handle(uint16_t handle) { BTIF_TRACE_DEBUG("%s: cb by handle %d", __func__, handle); for (int i = 0; i < HF_CLIENT_MAX_DEVICES; i++) { // Block is valid only if it is allocated i.e. state is not DISCONNECTED if (btif_hf_client_cb_arr.cb[i].state != BTHF_CLIENT_CONNECTION_STATE_DISCONNECTED && btif_hf_client_cb_arr.cb[i].handle == handle) { return &btif_hf_client_cb_arr.cb[i]; } } BTIF_TRACE_ERROR("%s: could not find block for handle %d", __func__, handle); return NULL; } /******************************************************************************* * * Function btif_hf_client_get_cb_by_bda * * Description Get control block by bda * * Returns btif_hf_client_cb_t pointer if available NULL otherwise * ******************************************************************************/ btif_hf_client_cb_t* btif_hf_client_get_cb_by_bda(const RawAddress& bd_addr) { VLOG(1) << __func__ << " incoming addr " << bd_addr; for (int i = 0; i < HF_CLIENT_MAX_DEVICES; i++) { // Block is valid only if it is allocated i.e. state is not DISCONNECTED if (btif_hf_client_cb_arr.cb[i].state != BTHF_CLIENT_CONNECTION_STATE_DISCONNECTED && btif_hf_client_cb_arr.cb[i].peer_bda == bd_addr) { return &btif_hf_client_cb_arr.cb[i]; } } BTIF_TRACE_ERROR("%s: could not find block for bdaddr", __func__); return NULL; } /******************************************************************************* * * Function btif_hf_client_allocate_cb * * Description Get control block by bda * * Returns btif_hf_client_cb_t pointer if available NULL otherwise * ******************************************************************************/ btif_hf_client_cb_t* btif_hf_client_allocate_cb() { for (int i = 0; i < HF_CLIENT_MAX_DEVICES; i++) { btif_hf_client_cb_t* cb = &btif_hf_client_cb_arr.cb[i]; if (cb->state == BTHF_CLIENT_CONNECTION_STATE_DISCONNECTED) { return cb; } } BTIF_TRACE_ERROR("%s: unable to allocate control block", __func__); return NULL; } /***************************************************************************** * * btif hf api functions (no context switch) * ****************************************************************************/ /******************************************************************************* * * Function btif_hf_client_init * * Description initializes the hf interface * * Returns bt_status_t * ******************************************************************************/ static bt_status_t init(bthf_client_callbacks_t* callbacks) { BTIF_TRACE_EVENT("%s", __func__); bt_hf_client_callbacks = callbacks; btif_enable_service(BTA_HFP_HS_SERVICE_ID); memset(&btif_hf_client_cb_arr, 0, sizeof(btif_hf_client_cb_arr_t)); return BT_STATUS_SUCCESS; } /******************************************************************************* * * Function connect * * Description connect to audio gateway * * Returns bt_status_t * ******************************************************************************/ static bt_status_t connect_int(RawAddress* bd_addr, uint16_t uuid) { btif_hf_client_cb_t* cb = btif_hf_client_allocate_cb(); if (cb == NULL) { BTIF_TRACE_ERROR("%s: could not allocate block!", __func__); return BT_STATUS_BUSY; } cb->peer_bda = *bd_addr; if (is_connected(cb)) return BT_STATUS_BUSY; cb->state = BTHF_CLIENT_CONNECTION_STATE_CONNECTING; cb->peer_bda = *bd_addr; /* Open HF connection to remote device and get the relevant handle. * The handle is valid until we have called BTA_HfClientClose or the LL * has notified us of channel close due to remote closing, error etc. */ BTA_HfClientOpen(cb->peer_bda, BTIF_HF_CLIENT_SECURITY, &cb->handle); return BT_STATUS_SUCCESS; } static bt_status_t connect(RawAddress* bd_addr) { BTIF_TRACE_EVENT("HFP Client version is %s", btif_hf_client_version); CHECK_BTHF_CLIENT_INIT(); return btif_queue_connect(UUID_SERVCLASS_HF_HANDSFREE, bd_addr, connect_int); } /******************************************************************************* * * Function disconnect * * Description disconnect from audio gateway * * Returns bt_status_t * ******************************************************************************/ static bt_status_t disconnect(const RawAddress* bd_addr) { CHECK_BTHF_CLIENT_INIT(); btif_hf_client_cb_t* cb = btif_hf_client_get_cb_by_bda(*bd_addr); if (cb != NULL) { BTA_HfClientClose(cb->handle); return BT_STATUS_SUCCESS; } else { return BT_STATUS_BUSY; } } /******************************************************************************* * * Function connect_audio * * Description create an audio connection * * Returns bt_status_t * ******************************************************************************/ static bt_status_t connect_audio(const RawAddress* bd_addr) { btif_hf_client_cb_t* cb = btif_hf_client_get_cb_by_bda(*bd_addr); if (cb == NULL || !is_connected(cb)) return BT_STATUS_FAIL; CHECK_BTHF_CLIENT_SLC_CONNECTED(cb); if ((BTIF_HF_CLIENT_FEATURES & BTA_HF_CLIENT_FEAT_CODEC) && (cb->peer_feat & BTA_HF_CLIENT_PEER_CODEC)) { BTA_HfClientSendAT(cb->handle, BTA_HF_CLIENT_AT_CMD_BCC, 0, 0, NULL); } else { BTA_HfClientAudioOpen(cb->handle); } /* Inform the application that the audio connection has been initiated * successfully */ btif_transfer_context(btif_in_hf_client_generic_evt, BTIF_HF_CLIENT_CB_AUDIO_CONNECTING, (char*)bd_addr, sizeof(RawAddress), NULL); return BT_STATUS_SUCCESS; } /******************************************************************************* * * Function disconnect_audio * * Description close the audio connection * * Returns bt_status_t * ******************************************************************************/ static bt_status_t disconnect_audio(const RawAddress* bd_addr) { btif_hf_client_cb_t* cb = btif_hf_client_get_cb_by_bda(*bd_addr); if (cb == NULL || !is_connected(cb)) return BT_STATUS_FAIL; CHECK_BTHF_CLIENT_SLC_CONNECTED(cb); BTA_HfClientAudioClose(cb->handle); return BT_STATUS_SUCCESS; } /******************************************************************************* * * Function start_voice_recognition * * Description start voice recognition * * Returns bt_status_t * ******************************************************************************/ static bt_status_t start_voice_recognition(const RawAddress* bd_addr) { btif_hf_client_cb_t* cb = btif_hf_client_get_cb_by_bda(*bd_addr); if (cb == NULL || !is_connected(cb)) return BT_STATUS_FAIL; CHECK_BTHF_CLIENT_SLC_CONNECTED(cb); if (cb->peer_feat & BTA_HF_CLIENT_PEER_FEAT_VREC) { BTA_HfClientSendAT(cb->handle, BTA_HF_CLIENT_AT_CMD_BVRA, 1, 0, NULL); return BT_STATUS_SUCCESS; } return BT_STATUS_UNSUPPORTED; } /******************************************************************************* * * Function stop_voice_recognition * * Description stop voice recognition * * Returns bt_status_t * ******************************************************************************/ static bt_status_t stop_voice_recognition(const RawAddress* bd_addr) { btif_hf_client_cb_t* cb = btif_hf_client_get_cb_by_bda(*bd_addr); if (cb == NULL || !is_connected(cb)) return BT_STATUS_FAIL; CHECK_BTHF_CLIENT_SLC_CONNECTED(cb); if (cb->peer_feat & BTA_HF_CLIENT_PEER_FEAT_VREC) { BTA_HfClientSendAT(cb->handle, BTA_HF_CLIENT_AT_CMD_BVRA, 0, 0, NULL); return BT_STATUS_SUCCESS; } return BT_STATUS_UNSUPPORTED; } /******************************************************************************* * * Function volume_control * * Description volume control * * Returns bt_status_t * ******************************************************************************/ static bt_status_t volume_control(const RawAddress* bd_addr, bthf_client_volume_type_t type, int volume) { btif_hf_client_cb_t* cb = btif_hf_client_get_cb_by_bda(*bd_addr); if (cb == NULL || !is_connected(cb)) return BT_STATUS_FAIL; CHECK_BTHF_CLIENT_SLC_CONNECTED(cb); switch (type) { case BTHF_CLIENT_VOLUME_TYPE_SPK: BTA_HfClientSendAT(cb->handle, BTA_HF_CLIENT_AT_CMD_VGS, volume, 0, NULL); break; case BTHF_CLIENT_VOLUME_TYPE_MIC: BTA_HfClientSendAT(cb->handle, BTA_HF_CLIENT_AT_CMD_VGM, volume, 0, NULL); break; default: return BT_STATUS_UNSUPPORTED; } return BT_STATUS_SUCCESS; } /******************************************************************************* * * Function dial * * Description place a call * * Returns bt_status_t * ******************************************************************************/ static bt_status_t dial(UNUSED_ATTR const RawAddress* bd_addr, const char* number) { btif_hf_client_cb_t* cb = btif_hf_client_get_cb_by_bda(*bd_addr); if (cb == NULL || !is_connected(cb)) return BT_STATUS_FAIL; CHECK_BTHF_CLIENT_SLC_CONNECTED(cb); if (number) { BTA_HfClientSendAT(cb->handle, BTA_HF_CLIENT_AT_CMD_ATD, 0, 0, number); } else { BTA_HfClientSendAT(cb->handle, BTA_HF_CLIENT_AT_CMD_BLDN, 0, 0, NULL); } return BT_STATUS_SUCCESS; } /******************************************************************************* * * Function dial_memory * * Description place a call with number specified by location (speed dial) * * Returns bt_status_t * ******************************************************************************/ static bt_status_t dial_memory(const RawAddress* bd_addr, int location) { btif_hf_client_cb_t* cb = btif_hf_client_get_cb_by_bda(*bd_addr); if (cb == NULL || !is_connected(cb)) return BT_STATUS_FAIL; CHECK_BTHF_CLIENT_SLC_CONNECTED(cb); BTA_HfClientSendAT(cb->handle, BTA_HF_CLIENT_AT_CMD_ATD, location, 0, NULL); return BT_STATUS_SUCCESS; } /******************************************************************************* * * Function handle_call_action * * Description handle specified call related action * * Returns bt_status_t * ******************************************************************************/ static bt_status_t handle_call_action(const RawAddress* bd_addr, bthf_client_call_action_t action, int idx) { btif_hf_client_cb_t* cb = btif_hf_client_get_cb_by_bda(*bd_addr); if (cb == NULL || !is_connected(cb)) return BT_STATUS_FAIL; CHECK_BTHF_CLIENT_SLC_CONNECTED(cb); switch (action) { case BTHF_CLIENT_CALL_ACTION_CHLD_0: if (cb->chld_feat & BTA_HF_CLIENT_CHLD_REL) { BTA_HfClientSendAT(cb->handle, BTA_HF_CLIENT_AT_CMD_CHLD, 0, 0, NULL); break; } return BT_STATUS_UNSUPPORTED; case BTHF_CLIENT_CALL_ACTION_CHLD_1: // CHLD 1 is mandatory for 3 way calling if (cb->peer_feat & BTA_HF_CLIENT_PEER_FEAT_3WAY) { BTA_HfClientSendAT(cb->handle, BTA_HF_CLIENT_AT_CMD_CHLD, 1, 0, NULL); break; } return BT_STATUS_UNSUPPORTED; case BTHF_CLIENT_CALL_ACTION_CHLD_2: // CHLD 2 is mandatory for 3 way calling if (cb->peer_feat & BTA_HF_CLIENT_PEER_FEAT_3WAY) { BTA_HfClientSendAT(cb->handle, BTA_HF_CLIENT_AT_CMD_CHLD, 2, 0, NULL); break; } return BT_STATUS_UNSUPPORTED; case BTHF_CLIENT_CALL_ACTION_CHLD_3: if (cb->chld_feat & BTA_HF_CLIENT_CHLD_MERGE) { BTA_HfClientSendAT(cb->handle, BTA_HF_CLIENT_AT_CMD_CHLD, 3, 0, NULL); break; } return BT_STATUS_UNSUPPORTED; case BTHF_CLIENT_CALL_ACTION_CHLD_4: if (cb->chld_feat & BTA_HF_CLIENT_CHLD_MERGE_DETACH) { BTA_HfClientSendAT(cb->handle, BTA_HF_CLIENT_AT_CMD_CHLD, 4, 0, NULL); break; } return BT_STATUS_UNSUPPORTED; case BTHF_CLIENT_CALL_ACTION_CHLD_1x: if (cb->peer_feat & BTA_HF_CLIENT_PEER_ECC) { if (idx < 1) { return BT_STATUS_FAIL; } BTA_HfClientSendAT(cb->handle, BTA_HF_CLIENT_AT_CMD_CHLD, 1, idx, NULL); break; } return BT_STATUS_UNSUPPORTED; case BTHF_CLIENT_CALL_ACTION_CHLD_2x: if (cb->peer_feat & BTA_HF_CLIENT_PEER_ECC) { if (idx < 1) { return BT_STATUS_FAIL; } BTA_HfClientSendAT(cb->handle, BTA_HF_CLIENT_AT_CMD_CHLD, 2, idx, NULL); break; } return BT_STATUS_UNSUPPORTED; case BTHF_CLIENT_CALL_ACTION_ATA: BTA_HfClientSendAT(cb->handle, BTA_HF_CLIENT_AT_CMD_ATA, 0, 0, NULL); break; case BTHF_CLIENT_CALL_ACTION_CHUP: BTA_HfClientSendAT(cb->handle, BTA_HF_CLIENT_AT_CMD_CHUP, 0, 0, NULL); break; case BTHF_CLIENT_CALL_ACTION_BTRH_0: BTA_HfClientSendAT(cb->handle, BTA_HF_CLIENT_AT_CMD_BTRH, 0, 0, NULL); break; case BTHF_CLIENT_CALL_ACTION_BTRH_1: BTA_HfClientSendAT(cb->handle, BTA_HF_CLIENT_AT_CMD_BTRH, 1, 0, NULL); break; case BTHF_CLIENT_CALL_ACTION_BTRH_2: BTA_HfClientSendAT(cb->handle, BTA_HF_CLIENT_AT_CMD_BTRH, 2, 0, NULL); break; default: return BT_STATUS_FAIL; } return BT_STATUS_SUCCESS; } /******************************************************************************* * * Function query_current_calls * * Description query list of current calls * * Returns bt_status_t * ******************************************************************************/ static bt_status_t query_current_calls(UNUSED_ATTR const RawAddress* bd_addr) { btif_hf_client_cb_t* cb = btif_hf_client_get_cb_by_bda(*bd_addr); if (cb == NULL || !is_connected(cb)) return BT_STATUS_FAIL; CHECK_BTHF_CLIENT_SLC_CONNECTED(cb); if (cb->peer_feat & BTA_HF_CLIENT_PEER_ECS) { BTA_HfClientSendAT(cb->handle, BTA_HF_CLIENT_AT_CMD_CLCC, 0, 0, NULL); return BT_STATUS_SUCCESS; } return BT_STATUS_UNSUPPORTED; } /******************************************************************************* * * Function query_current_operator_name * * Description query current selected operator name * * Returns bt_status_t * ******************************************************************************/ static bt_status_t query_current_operator_name(const RawAddress* bd_addr) { btif_hf_client_cb_t* cb = btif_hf_client_get_cb_by_bda(*bd_addr); if (cb == NULL || !is_connected(cb)) return BT_STATUS_FAIL; CHECK_BTHF_CLIENT_SLC_CONNECTED(cb); BTA_HfClientSendAT(cb->handle, BTA_HF_CLIENT_AT_CMD_COPS, 0, 0, NULL); return BT_STATUS_SUCCESS; } /******************************************************************************* * * Function retieve_subscriber_info * * Description retrieve subscriber number information * * Returns bt_status_t * ******************************************************************************/ static bt_status_t retrieve_subscriber_info(const RawAddress* bd_addr) { btif_hf_client_cb_t* cb = btif_hf_client_get_cb_by_bda(*bd_addr); if (cb == NULL || !is_connected(cb)) return BT_STATUS_FAIL; CHECK_BTHF_CLIENT_SLC_CONNECTED(cb); BTA_HfClientSendAT(cb->handle, BTA_HF_CLIENT_AT_CMD_CNUM, 0, 0, NULL); return BT_STATUS_SUCCESS; } /******************************************************************************* * * Function send_dtmf * * Description send dtmf * * Returns bt_status_t * ******************************************************************************/ static bt_status_t send_dtmf(const RawAddress* bd_addr, char code) { btif_hf_client_cb_t* cb = btif_hf_client_get_cb_by_bda(*bd_addr); if (cb == NULL || !is_connected(cb)) return BT_STATUS_FAIL; CHECK_BTHF_CLIENT_SLC_CONNECTED(cb); BTA_HfClientSendAT(cb->handle, BTA_HF_CLIENT_AT_CMD_VTS, code, 0, NULL); return BT_STATUS_SUCCESS; } /******************************************************************************* * * Function request_last_voice_tag_number * * Description Request number from AG for VR purposes * * Returns bt_status_t * ******************************************************************************/ static bt_status_t request_last_voice_tag_number(const RawAddress* bd_addr) { btif_hf_client_cb_t* cb = btif_hf_client_get_cb_by_bda(*bd_addr); if (cb == NULL || !is_connected(cb)) return BT_STATUS_FAIL; CHECK_BTHF_CLIENT_SLC_CONNECTED(cb); if (cb->peer_feat & BTA_HF_CLIENT_PEER_VTAG) { BTA_HfClientSendAT(cb->handle, BTA_HF_CLIENT_AT_CMD_BINP, 1, 0, NULL); return BT_STATUS_SUCCESS; } return BT_STATUS_UNSUPPORTED; } /******************************************************************************* * * Function cleanup * * Description Closes the HF interface * * Returns bt_status_t * ******************************************************************************/ static void cleanup(void) { BTIF_TRACE_EVENT("%s", __func__); btif_queue_cleanup(UUID_SERVCLASS_HF_HANDSFREE); if (bt_hf_client_callbacks) { btif_disable_service(BTA_HFP_HS_SERVICE_ID); bt_hf_client_callbacks = NULL; } } /******************************************************************************* * * Function send_at_cmd * * Description Send requested AT command to rempte device. * * Returns bt_status_t * ******************************************************************************/ static bt_status_t send_at_cmd(const RawAddress* bd_addr, int cmd, int val1, int val2, const char* arg) { btif_hf_client_cb_t* cb = btif_hf_client_get_cb_by_bda(*bd_addr); if (cb == NULL || !is_connected(cb)) return BT_STATUS_FAIL; CHECK_BTHF_CLIENT_SLC_CONNECTED(cb); BTIF_TRACE_EVENT("%s: Cmd %d val1 %d val2 %d arg %s", __func__, cmd, val1, val2, (arg != NULL) ? arg : ""); BTA_HfClientSendAT(cb->handle, cmd, val1, val2, arg); return BT_STATUS_SUCCESS; } static const bthf_client_interface_t bthfClientInterface = { .size = sizeof(bthf_client_interface_t), .init = init, .connect = connect, .disconnect = disconnect, .connect_audio = connect_audio, .disconnect_audio = disconnect_audio, .start_voice_recognition = start_voice_recognition, .stop_voice_recognition = stop_voice_recognition, .volume_control = volume_control, .dial = dial, .dial_memory = dial_memory, .handle_call_action = handle_call_action, .query_current_calls = query_current_calls, .query_current_operator_name = query_current_operator_name, .retrieve_subscriber_info = retrieve_subscriber_info, .send_dtmf = send_dtmf, .request_last_voice_tag_number = request_last_voice_tag_number, .cleanup = cleanup, .send_at_cmd = send_at_cmd, }; static void process_ind_evt(tBTA_HF_CLIENT_IND* ind) { BTIF_TRACE_DEBUG("%s", __func__); btif_hf_client_cb_t* cb = btif_hf_client_get_cb_by_bda(ind->bd_addr); if (cb == NULL || !is_connected(cb)) return; switch (ind->type) { case BTA_HF_CLIENT_IND_CALL: HAL_CBACK(bt_hf_client_callbacks, call_cb, &cb->peer_bda, (bthf_client_call_t)ind->value); break; case BTA_HF_CLIENT_IND_CALLSETUP: HAL_CBACK(bt_hf_client_callbacks, callsetup_cb, &cb->peer_bda, (bthf_client_callsetup_t)ind->value); break; case BTA_HF_CLIENT_IND_CALLHELD: HAL_CBACK(bt_hf_client_callbacks, callheld_cb, &cb->peer_bda, (bthf_client_callheld_t)ind->value); break; case BTA_HF_CLIENT_IND_SERVICE: HAL_CBACK(bt_hf_client_callbacks, network_state_cb, &cb->peer_bda, (bthf_client_network_state_t)ind->value); break; case BTA_HF_CLIENT_IND_SIGNAL: HAL_CBACK(bt_hf_client_callbacks, network_signal_cb, &cb->peer_bda, ind->value); break; case BTA_HF_CLIENT_IND_ROAM: HAL_CBACK(bt_hf_client_callbacks, network_roaming_cb, &cb->peer_bda, (bthf_client_service_type_t)ind->value); break; case BTA_HF_CLIENT_IND_BATTCH: HAL_CBACK(bt_hf_client_callbacks, battery_level_cb, &cb->peer_bda, ind->value); break; default: break; } } /******************************************************************************* * * Function btif_hf_client_upstreams_evt * * Description Executes HF CLIENT UPSTREAMS events in btif context * * Returns void * ******************************************************************************/ static void btif_hf_client_upstreams_evt(uint16_t event, char* p_param) { tBTA_HF_CLIENT* p_data = (tBTA_HF_CLIENT*)p_param; btif_hf_client_cb_t* cb = btif_hf_client_get_cb_by_bda(p_data->bd_addr); if (cb == NULL && event == BTA_HF_CLIENT_OPEN_EVT) { BTIF_TRACE_DEBUG("%s: event BTA_HF_CLIENT_OPEN_EVT allocating block", __func__); cb = btif_hf_client_allocate_cb(); cb->handle = p_data->open.handle; cb->peer_bda = p_data->open.bd_addr; } else if (cb == NULL) { BTIF_TRACE_ERROR("%s: event %d but not allocating block: cb not found", __func__, event); return; } BTIF_TRACE_DEBUG("%s: event=%s (%u)", __func__, dump_hf_client_event(event), event); switch (event) { case BTA_HF_CLIENT_OPEN_EVT: if (p_data->open.status == BTA_HF_CLIENT_SUCCESS) { cb->state = BTHF_CLIENT_CONNECTION_STATE_CONNECTED; cb->peer_feat = 0; cb->chld_feat = 0; } else if (cb->state == BTHF_CLIENT_CONNECTION_STATE_CONNECTING) { cb->state = BTHF_CLIENT_CONNECTION_STATE_DISCONNECTED; } else { BTIF_TRACE_WARNING( "%s: HF CLient open failed, but another device connected. " "status=%d state=%d connected device=%s", __func__, p_data->open.status, cb->state, cb->peer_bda.ToString().c_str()); break; } HAL_CBACK(bt_hf_client_callbacks, connection_state_cb, &cb->peer_bda, cb->state, 0, /* peer feat */ 0 /* AT+CHLD feat */); if (cb->state == BTHF_CLIENT_CONNECTION_STATE_DISCONNECTED) cb->peer_bda = RawAddress::kAny; if (p_data->open.status != BTA_HF_CLIENT_SUCCESS) btif_queue_advance(); break; case BTA_HF_CLIENT_CONN_EVT: cb->peer_feat = p_data->conn.peer_feat; cb->chld_feat = p_data->conn.chld_feat; cb->state = BTHF_CLIENT_CONNECTION_STATE_SLC_CONNECTED; HAL_CBACK(bt_hf_client_callbacks, connection_state_cb, &cb->peer_bda, cb->state, cb->peer_feat, cb->chld_feat); /* Inform the application about in-band ringtone */ if (cb->peer_feat & BTA_HF_CLIENT_PEER_INBAND) { HAL_CBACK(bt_hf_client_callbacks, in_band_ring_tone_cb, &cb->peer_bda, BTHF_CLIENT_IN_BAND_RINGTONE_PROVIDED); } btif_queue_advance(); break; case BTA_HF_CLIENT_CLOSE_EVT: cb->state = BTHF_CLIENT_CONNECTION_STATE_DISCONNECTED; HAL_CBACK(bt_hf_client_callbacks, connection_state_cb, &cb->peer_bda, cb->state, 0, 0); cb->peer_bda = RawAddress::kAny; cb->peer_feat = 0; cb->chld_feat = 0; btif_queue_advance(); break; case BTA_HF_CLIENT_IND_EVT: process_ind_evt(&p_data->ind); break; case BTA_HF_CLIENT_MIC_EVT: HAL_CBACK(bt_hf_client_callbacks, volume_change_cb, &cb->peer_bda, BTHF_CLIENT_VOLUME_TYPE_MIC, p_data->val.value); break; case BTA_HF_CLIENT_SPK_EVT: HAL_CBACK(bt_hf_client_callbacks, volume_change_cb, &cb->peer_bda, BTHF_CLIENT_VOLUME_TYPE_SPK, p_data->val.value); break; case BTA_HF_CLIENT_VOICE_REC_EVT: HAL_CBACK(bt_hf_client_callbacks, vr_cmd_cb, &cb->peer_bda, (bthf_client_vr_state_t)p_data->val.value); break; case BTA_HF_CLIENT_OPERATOR_NAME_EVT: HAL_CBACK(bt_hf_client_callbacks, current_operator_cb, &cb->peer_bda, p_data->operator_name.name); break; case BTA_HF_CLIENT_CLIP_EVT: HAL_CBACK(bt_hf_client_callbacks, clip_cb, &cb->peer_bda, p_data->number.number); break; case BTA_HF_CLIENT_BINP_EVT: HAL_CBACK(bt_hf_client_callbacks, last_voice_tag_number_callback, &cb->peer_bda, p_data->number.number); break; case BTA_HF_CLIENT_CCWA_EVT: HAL_CBACK(bt_hf_client_callbacks, call_waiting_cb, &cb->peer_bda, p_data->number.number); break; case BTA_HF_CLIENT_AT_RESULT_EVT: HAL_CBACK(bt_hf_client_callbacks, cmd_complete_cb, &cb->peer_bda, (bthf_client_cmd_complete_t)p_data->result.type, p_data->result.cme); break; case BTA_HF_CLIENT_CLCC_EVT: HAL_CBACK(bt_hf_client_callbacks, current_calls_cb, &cb->peer_bda, p_data->clcc.idx, p_data->clcc.inc ? BTHF_CLIENT_CALL_DIRECTION_INCOMING : BTHF_CLIENT_CALL_DIRECTION_OUTGOING, (bthf_client_call_state_t)p_data->clcc.status, p_data->clcc.mpty ? BTHF_CLIENT_CALL_MPTY_TYPE_MULTI : BTHF_CLIENT_CALL_MPTY_TYPE_SINGLE, p_data->clcc.number_present ? p_data->clcc.number : ""); break; case BTA_HF_CLIENT_CNUM_EVT: if (p_data->cnum.service == 4) { HAL_CBACK(bt_hf_client_callbacks, subscriber_info_cb, &cb->peer_bda, p_data->cnum.number, BTHF_CLIENT_SERVICE_VOICE); } else if (p_data->cnum.service == 5) { HAL_CBACK(bt_hf_client_callbacks, subscriber_info_cb, &cb->peer_bda, p_data->cnum.number, BTHF_CLIENT_SERVICE_FAX); } else { HAL_CBACK(bt_hf_client_callbacks, subscriber_info_cb, &cb->peer_bda, p_data->cnum.number, BTHF_CLIENT_SERVICE_UNKNOWN); } break; case BTA_HF_CLIENT_BTRH_EVT: if (p_data->val.value <= BTRH_CLIENT_RESP_AND_HOLD_REJECT) { HAL_CBACK(bt_hf_client_callbacks, resp_and_hold_cb, &cb->peer_bda, (bthf_client_resp_and_hold_t)p_data->val.value); } break; case BTA_HF_CLIENT_BSIR_EVT: if (p_data->val.value != 0) { HAL_CBACK(bt_hf_client_callbacks, in_band_ring_tone_cb, &cb->peer_bda, BTHF_CLIENT_IN_BAND_RINGTONE_PROVIDED); } else { HAL_CBACK(bt_hf_client_callbacks, in_band_ring_tone_cb, &cb->peer_bda, BTHF_CLIENT_IN_BAND_RINGTONE_NOT_PROVIDED); } break; case BTA_HF_CLIENT_AUDIO_OPEN_EVT: HAL_CBACK(bt_hf_client_callbacks, audio_state_cb, &cb->peer_bda, BTHF_CLIENT_AUDIO_STATE_CONNECTED); break; case BTA_HF_CLIENT_AUDIO_MSBC_OPEN_EVT: HAL_CBACK(bt_hf_client_callbacks, audio_state_cb, &cb->peer_bda, BTHF_CLIENT_AUDIO_STATE_CONNECTED_MSBC); break; case BTA_HF_CLIENT_AUDIO_CLOSE_EVT: HAL_CBACK(bt_hf_client_callbacks, audio_state_cb, &cb->peer_bda, BTHF_CLIENT_AUDIO_STATE_DISCONNECTED); break; case BTA_HF_CLIENT_RING_INDICATION: HAL_CBACK(bt_hf_client_callbacks, ring_indication_cb, &cb->peer_bda); break; case BTA_HF_CLIENT_UNKNOWN_EVT: HAL_CBACK(bt_hf_client_callbacks, unknown_event_cb, &cb->peer_bda, p_data->unknown.event_string); break; default: BTIF_TRACE_WARNING("%s: Unhandled event: %d", __func__, event); break; } } /******************************************************************************* * * Function bta_hf_client_evt * * Description Switches context from BTA to BTIF for all HF Client events * * Returns void * ******************************************************************************/ static void bta_hf_client_evt(tBTA_HF_CLIENT_EVT event, tBTA_HF_CLIENT* p_data) { bt_status_t status; /* switch context to btif task context (copy full union size for convenience) */ status = btif_transfer_context(btif_hf_client_upstreams_evt, (uint16_t)event, (char*)p_data, sizeof(*p_data), NULL); /* catch any failed context transfers */ ASSERTC(status == BT_STATUS_SUCCESS, "context transfer failed", status); } /******************************************************************************* * * Function btif_hf_client_execute_service * * Description Initializes/Shuts down the service * * Returns BT_STATUS_SUCCESS on success, BT_STATUS_FAIL otherwise * ******************************************************************************/ bt_status_t btif_hf_client_execute_service(bool b_enable) { BTIF_TRACE_EVENT("%s: enable: %d", __func__, b_enable); tBTA_HF_CLIENT_FEAT features = BTIF_HF_CLIENT_FEATURES; if (osi_property_get_bool("persist.bluetooth.hfpclient.sco_s4_supported", false)) features |= BTA_HF_CLIENT_FEAT_S4; if (b_enable) { /* Enable and register with BTA-HFClient */ BTIF_TRACE_EVENT("%s: support codec negotiation %d ", __func__, features); BTA_HfClientEnable(bta_hf_client_evt, BTIF_HF_CLIENT_SECURITY, features, BTIF_HF_CLIENT_SERVICE_NAME); } else { BTA_HfClientDisable(); } return BT_STATUS_SUCCESS; } /******************************************************************************* * * Function btif_hf_get_interface * * Description Get the hf callback interface * * Returns bthf_interface_t * ******************************************************************************/ const bthf_client_interface_t* btif_hf_client_get_interface(void) { BTIF_TRACE_EVENT("%s", __func__); return &bthfClientInterface; }