| /****************************************************************************** |
| * |
| * Copyright (C) 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.c |
| * |
| * Description: Handsfree Profile Bluetooth Interface |
| * |
| * |
| ******************************************************************************/ |
| |
| #define LOG_TAG "bt_btif_hf" |
| |
| #include <stdlib.h> |
| #include <string.h> |
| #include <time.h> |
| |
| #include <hardware/bluetooth.h> |
| #include <hardware/bt_hf.h> |
| |
| #include "bta/include/utl.h" |
| #include "bta_ag_api.h" |
| #include "btif_common.h" |
| #include "btif_hf.h" |
| #include "btif_profile_queue.h" |
| #include "btif_util.h" |
| #include "osi/include/properties.h" |
| |
| /******************************************************************************* |
| * Constants & Macros |
| ******************************************************************************/ |
| #ifndef BTIF_HSAG_SERVICE_NAME |
| #define BTIF_HSAG_SERVICE_NAME ("Headset Gateway") |
| #endif |
| |
| #ifndef BTIF_HFAG_SERVICE_NAME |
| #define BTIF_HFAG_SERVICE_NAME ("Handsfree Gateway") |
| #endif |
| |
| #ifndef BTIF_HF_SERVICES |
| #define BTIF_HF_SERVICES (BTA_HSP_SERVICE_MASK | BTA_HFP_SERVICE_MASK) |
| #endif |
| |
| #ifndef BTIF_HF_SERVICE_NAMES |
| #define BTIF_HF_SERVICE_NAMES \ |
| { BTIF_HSAG_SERVICE_NAME, BTIF_HFAG_SERVICE_NAME } |
| #endif |
| |
| #ifndef BTIF_HF_SECURITY |
| #define BTIF_HF_SECURITY (BTA_SEC_AUTHENTICATE | BTA_SEC_ENCRYPT) |
| #endif |
| |
| #ifndef BTIF_HF_FEATURES |
| #define BTIF_HF_FEATURES \ |
| (BTA_AG_FEAT_3WAY | BTA_AG_FEAT_ECNR | BTA_AG_FEAT_REJECT | \ |
| BTA_AG_FEAT_ECS | BTA_AG_FEAT_EXTERR | BTA_AG_FEAT_VREC | \ |
| BTA_AG_FEAT_CODEC | BTA_AG_FEAT_HF_IND | BTA_AG_FEAT_ESCO | \ |
| BTA_AG_FEAT_UNAT) |
| #endif |
| |
| /* HF features supported at runtime */ |
| static uint32_t btif_hf_features = BTIF_HF_FEATURES; |
| |
| #define BTIF_HF_CALL_END_TIMEOUT 6 |
| |
| #define BTIF_HF_INVALID_IDX (-1) |
| |
| /* Number of BTIF-HF control blocks */ |
| #define BTIF_HF_NUM_CB 2 |
| |
| /* Max HF clients supported from App */ |
| uint16_t btif_max_hf_clients = 1; |
| |
| /* HF app ids for service registration */ |
| typedef enum { |
| BTIF_HF_ID_1 = 0, |
| BTIF_HF_ID_2, |
| #if (BTIF_HF_NUM_CB == 3) |
| BTIF_HF_ID_3 |
| #endif |
| } bthf_hf_id_t; |
| |
| uint16_t bthf_hf_id[BTIF_HF_NUM_CB] = {BTIF_HF_ID_1, BTIF_HF_ID_2, |
| #if (BTIF_HF_NUM_CB == 3) |
| BTIF_HF_ID_3 |
| #endif |
| }; |
| |
| /******************************************************************************* |
| * Local type definitions |
| ******************************************************************************/ |
| |
| /******************************************************************************* |
| * Static variables |
| ******************************************************************************/ |
| static bthf_callbacks_t* bt_hf_callbacks = NULL; |
| static int hf_idx = BTIF_HF_INVALID_IDX; |
| |
| #define CHECK_BTHF_INIT() \ |
| do { \ |
| if (bt_hf_callbacks == NULL) { \ |
| BTIF_TRACE_WARNING("BTHF: %s: BTHF not initialized", __func__); \ |
| return BT_STATUS_NOT_READY; \ |
| } else { \ |
| BTIF_TRACE_EVENT("BTHF: %s", __func__); \ |
| } \ |
| } while (0) |
| |
| /* BTIF-HF control block to map bdaddr to BTA handle */ |
| typedef struct _btif_hf_cb { |
| uint16_t handle; |
| RawAddress connected_bda; |
| bthf_connection_state_t state; |
| bthf_vr_state_t vr_state; |
| tBTA_AG_PEER_FEAT peer_feat; |
| int num_active; |
| int num_held; |
| struct timespec call_end_timestamp; |
| struct timespec connected_timestamp; |
| bthf_call_state_t call_setup_state; |
| } btif_hf_cb_t; |
| |
| static btif_hf_cb_t btif_hf_cb[BTIF_HF_NUM_CB]; |
| |
| /******************************************************************************* |
| * Static functions |
| ******************************************************************************/ |
| |
| /******************************************************************************* |
| * Externs |
| ******************************************************************************/ |
| /* By default, even though codec negotiation is enabled, we will not use WBS as |
| * the default |
| * codec unless this variable is set to true. |
| */ |
| #ifndef BTIF_HF_WBS_PREFERRED |
| #define BTIF_HF_WBS_PREFERRED false |
| #endif |
| |
| bool btif_conf_hf_force_wbs = BTIF_HF_WBS_PREFERRED; |
| |
| /******************************************************************************* |
| * Functions |
| ******************************************************************************/ |
| |
| /******************************************************************************* |
| * |
| * Function is_connected |
| * |
| * Description Internal function to check if HF is connected |
| * |
| * Returns true if connected |
| * |
| ******************************************************************************/ |
| static bool is_connected(RawAddress* bd_addr) { |
| int i; |
| for (i = 0; i < btif_max_hf_clients; ++i) { |
| if (((btif_hf_cb[i].state == BTHF_CONNECTION_STATE_CONNECTED) || |
| (btif_hf_cb[i].state == BTHF_CONNECTION_STATE_SLC_CONNECTED)) && |
| (!bd_addr || *bd_addr == btif_hf_cb[i].connected_bda)) |
| return true; |
| } |
| return false; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function btif_hf_idx_by_bdaddr |
| * |
| * Description Internal function to get idx by bdaddr |
| * |
| * Returns idx |
| * |
| ******************************************************************************/ |
| static int btif_hf_idx_by_bdaddr(RawAddress* bd_addr) { |
| int i; |
| for (i = 0; i < btif_max_hf_clients; ++i) { |
| if (*bd_addr == btif_hf_cb[i].connected_bda) return i; |
| } |
| return BTIF_HF_INVALID_IDX; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function callstate_to_callsetup |
| * |
| * Description Converts HAL call state to BTA call setup indicator value |
| * |
| * Returns BTA call indicator value |
| * |
| ******************************************************************************/ |
| static uint8_t callstate_to_callsetup(bthf_call_state_t call_state) { |
| uint8_t call_setup = 0; |
| if (call_state == BTHF_CALL_STATE_INCOMING) call_setup = 1; |
| if (call_state == BTHF_CALL_STATE_DIALING) call_setup = 2; |
| if (call_state == BTHF_CALL_STATE_ALERTING) call_setup = 3; |
| |
| return call_setup; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function send_at_result |
| * |
| * Description Send AT result code (OK/ERROR) |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| static void send_at_result(uint8_t ok_flag, uint16_t errcode, int idx) { |
| tBTA_AG_RES_DATA ag_res; |
| memset(&ag_res, 0, sizeof(ag_res)); |
| |
| ag_res.ok_flag = ok_flag; |
| if (ok_flag == BTA_AG_OK_ERROR) { |
| ag_res.errcode = errcode; |
| } |
| |
| BTA_AgResult(btif_hf_cb[idx].handle, BTA_AG_UNAT_RES, &ag_res); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function send_indicator_update |
| * |
| * Description Send indicator update (CIEV) |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| static void send_indicator_update(uint16_t indicator, uint16_t value) { |
| tBTA_AG_RES_DATA ag_res; |
| |
| memset(&ag_res, 0, sizeof(tBTA_AG_RES_DATA)); |
| ag_res.ind.id = indicator; |
| ag_res.ind.value = value; |
| |
| BTA_AgResult(BTA_AG_HANDLE_ALL, BTA_AG_IND_RES, &ag_res); |
| } |
| |
| void clear_phone_state_multihf(int idx) { |
| btif_hf_cb[idx].call_setup_state = BTHF_CALL_STATE_IDLE; |
| btif_hf_cb[idx].num_active = btif_hf_cb[idx].num_held = 0; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function btif_hf_latest_connected_idx |
| * |
| * Description Returns idx for latest connected HF |
| * |
| * Returns int |
| * |
| ******************************************************************************/ |
| static int btif_hf_latest_connected_idx() { |
| struct timespec now, conn_time_delta; |
| int latest_conn_idx = BTIF_HF_INVALID_IDX, i; |
| |
| clock_gettime(CLOCK_MONOTONIC, &now); |
| conn_time_delta.tv_sec = now.tv_sec; |
| |
| for (i = 0; i < btif_max_hf_clients; i++) { |
| if (btif_hf_cb[i].state == BTHF_CONNECTION_STATE_SLC_CONNECTED) { |
| if ((now.tv_sec - btif_hf_cb[i].connected_timestamp.tv_sec) < |
| conn_time_delta.tv_sec) { |
| conn_time_delta.tv_sec = |
| now.tv_sec - btif_hf_cb[i].connected_timestamp.tv_sec; |
| latest_conn_idx = i; |
| } |
| } |
| } |
| return latest_conn_idx; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function btif_hf_check_if_slc_connected |
| * |
| * Description Returns BT_STATUS_SUCCESS if SLC is up for any HF |
| * |
| * Returns bt_status_t |
| * |
| ******************************************************************************/ |
| static bt_status_t btif_hf_check_if_slc_connected() { |
| if (bt_hf_callbacks == NULL) { |
| BTIF_TRACE_WARNING("BTHF: %s: BTHF not initialized", __func__); |
| return BT_STATUS_NOT_READY; |
| } else { |
| int i; |
| for (i = 0; i < btif_max_hf_clients; i++) { |
| if (btif_hf_cb[i].state == BTHF_CONNECTION_STATE_SLC_CONNECTED) { |
| BTIF_TRACE_EVENT("BTHF: %s: slc connected for idx = %d", __func__, i); |
| return BT_STATUS_SUCCESS; |
| } |
| } |
| BTIF_TRACE_WARNING("BTHF: %s: No SLC connection up", __func__); |
| return BT_STATUS_NOT_READY; |
| } |
| } |
| |
| /***************************************************************************** |
| * Section name (Group of functions) |
| ****************************************************************************/ |
| |
| /***************************************************************************** |
| * |
| * btif hf api functions (no context switch) |
| * |
| ****************************************************************************/ |
| |
| /******************************************************************************* |
| * |
| * Function btif_hf_upstreams_evt |
| * |
| * Description Executes HF UPSTREAMS events in btif context |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| static void btif_hf_upstreams_evt(uint16_t event, char* p_param) { |
| tBTA_AG* p_data = (tBTA_AG*)p_param; |
| int idx = p_data->hdr.handle - 1; |
| |
| BTIF_TRACE_DEBUG("%s: event=%s", __func__, dump_hf_event(event)); |
| |
| if ((idx < 0) || (idx >= BTIF_HF_NUM_CB)) { |
| BTIF_TRACE_ERROR("%s: Invalid index %d", __func__, idx); |
| return; |
| } |
| |
| switch (event) { |
| case BTA_AG_ENABLE_EVT: |
| case BTA_AG_DISABLE_EVT: |
| break; |
| |
| case BTA_AG_REGISTER_EVT: |
| btif_hf_cb[idx].handle = p_data->reg.hdr.handle; |
| BTIF_TRACE_DEBUG( |
| "%s: BTA_AG_REGISTER_EVT," |
| "btif_hf_cb.handle = %d", |
| __func__, btif_hf_cb[idx].handle); |
| break; |
| |
| case BTA_AG_OPEN_EVT: |
| if (p_data->open.status == BTA_AG_SUCCESS) { |
| btif_hf_cb[idx].connected_bda = p_data->open.bd_addr; |
| btif_hf_cb[idx].state = BTHF_CONNECTION_STATE_CONNECTED; |
| btif_hf_cb[idx].peer_feat = 0; |
| clear_phone_state_multihf(idx); |
| } else if (btif_hf_cb[idx].state == BTHF_CONNECTION_STATE_CONNECTING) { |
| btif_hf_cb[idx].state = BTHF_CONNECTION_STATE_DISCONNECTED; |
| } else { |
| BTIF_TRACE_WARNING( |
| "%s: AG open failed, but another device connected. status=%d " |
| "state=%d connected device=%s", |
| __func__, p_data->open.status, btif_hf_cb[idx].state, |
| btif_hf_cb[idx].connected_bda.ToString().c_str()); |
| break; |
| } |
| |
| HAL_CBACK(bt_hf_callbacks, connection_state_cb, btif_hf_cb[idx].state, |
| &btif_hf_cb[idx].connected_bda); |
| |
| if (btif_hf_cb[idx].state == BTHF_CONNECTION_STATE_DISCONNECTED) |
| btif_hf_cb[idx].connected_bda = RawAddress::kAny; |
| |
| if (p_data->open.status != BTA_AG_SUCCESS) btif_queue_advance(); |
| break; |
| |
| case BTA_AG_CLOSE_EVT: |
| btif_hf_cb[idx].connected_timestamp.tv_sec = 0; |
| btif_hf_cb[idx].state = BTHF_CONNECTION_STATE_DISCONNECTED; |
| BTIF_TRACE_DEBUG( |
| "%s: BTA_AG_CLOSE_EVT," |
| "idx = %d, btif_hf_cb.handle = %d", |
| __func__, idx, btif_hf_cb[idx].handle); |
| HAL_CBACK(bt_hf_callbacks, connection_state_cb, btif_hf_cb[idx].state, |
| &btif_hf_cb[idx].connected_bda); |
| btif_hf_cb[idx].connected_bda = RawAddress::kAny; |
| btif_hf_cb[idx].peer_feat = 0; |
| clear_phone_state_multihf(idx); |
| hf_idx = btif_hf_latest_connected_idx(); |
| /* If AG_OPEN was received but SLC was not setup in a specified time (10 |
| *seconds), |
| ** then AG_CLOSE may be received. We need to advance the queue here |
| */ |
| btif_queue_advance(); |
| break; |
| |
| case BTA_AG_CONN_EVT: |
| clock_gettime(CLOCK_MONOTONIC, &btif_hf_cb[idx].connected_timestamp); |
| BTIF_TRACE_DEBUG("%s: BTA_AG_CONN_EVT, idx = %d ", __func__, idx); |
| btif_hf_cb[idx].peer_feat = p_data->conn.peer_feat; |
| btif_hf_cb[idx].state = BTHF_CONNECTION_STATE_SLC_CONNECTED; |
| hf_idx = btif_hf_latest_connected_idx(); |
| |
| HAL_CBACK(bt_hf_callbacks, connection_state_cb, btif_hf_cb[idx].state, |
| &btif_hf_cb[idx].connected_bda); |
| btif_queue_advance(); |
| break; |
| |
| case BTA_AG_AUDIO_OPEN_EVT: |
| hf_idx = idx; |
| HAL_CBACK(bt_hf_callbacks, audio_state_cb, BTHF_AUDIO_STATE_CONNECTED, |
| &btif_hf_cb[idx].connected_bda); |
| break; |
| |
| case BTA_AG_AUDIO_CLOSE_EVT: |
| HAL_CBACK(bt_hf_callbacks, audio_state_cb, BTHF_AUDIO_STATE_DISCONNECTED, |
| &btif_hf_cb[idx].connected_bda); |
| break; |
| |
| /* BTA auto-responds, silently discard */ |
| case BTA_AG_SPK_EVT: |
| case BTA_AG_MIC_EVT: |
| HAL_CBACK(bt_hf_callbacks, volume_cmd_cb, |
| (event == BTA_AG_SPK_EVT) ? BTHF_VOLUME_TYPE_SPK |
| : BTHF_VOLUME_TYPE_MIC, |
| p_data->val.num, &btif_hf_cb[idx].connected_bda); |
| break; |
| |
| case BTA_AG_AT_A_EVT: |
| if ((btif_hf_cb[0].num_held + btif_hf_cb[0].num_active) == 0) |
| hf_idx = idx; |
| else |
| BTIF_TRACE_DEBUG("Donot set hf_idx for ATA since already in a call"); |
| |
| HAL_CBACK(bt_hf_callbacks, answer_call_cmd_cb, |
| &btif_hf_cb[idx].connected_bda); |
| break; |
| |
| /* Java needs to send OK/ERROR for these commands */ |
| case BTA_AG_AT_BLDN_EVT: |
| case BTA_AG_AT_D_EVT: |
| if ((btif_hf_cb[0].num_held + btif_hf_cb[0].num_active) == 0) |
| hf_idx = idx; |
| else |
| BTIF_TRACE_DEBUG("Donot set hf_idx for BLDN/D since already in a call"); |
| |
| HAL_CBACK(bt_hf_callbacks, dial_call_cmd_cb, |
| (event == BTA_AG_AT_D_EVT) ? p_data->val.str : NULL, |
| &btif_hf_cb[idx].connected_bda); |
| break; |
| |
| case BTA_AG_AT_CHUP_EVT: |
| HAL_CBACK(bt_hf_callbacks, hangup_call_cmd_cb, |
| &btif_hf_cb[idx].connected_bda); |
| break; |
| |
| case BTA_AG_AT_CIND_EVT: |
| HAL_CBACK(bt_hf_callbacks, cind_cmd_cb, &btif_hf_cb[idx].connected_bda); |
| break; |
| |
| case BTA_AG_AT_VTS_EVT: |
| HAL_CBACK(bt_hf_callbacks, dtmf_cmd_cb, p_data->val.str[0], |
| &btif_hf_cb[idx].connected_bda); |
| break; |
| |
| case BTA_AG_AT_BVRA_EVT: |
| HAL_CBACK(bt_hf_callbacks, vr_cmd_cb, |
| (p_data->val.num == 1) ? BTHF_VR_STATE_STARTED |
| : BTHF_VR_STATE_STOPPED, |
| &btif_hf_cb[idx].connected_bda); |
| break; |
| |
| case BTA_AG_AT_NREC_EVT: |
| HAL_CBACK(bt_hf_callbacks, nrec_cmd_cb, |
| (p_data->val.num == 1) ? BTHF_NREC_START : BTHF_NREC_STOP, |
| &btif_hf_cb[idx].connected_bda); |
| break; |
| |
| /* TODO: Add a callback for CBC */ |
| case BTA_AG_AT_CBC_EVT: |
| break; |
| |
| case BTA_AG_AT_CKPD_EVT: |
| HAL_CBACK(bt_hf_callbacks, key_pressed_cmd_cb, |
| &btif_hf_cb[idx].connected_bda); |
| break; |
| |
| case BTA_AG_WBS_EVT: |
| BTIF_TRACE_DEBUG( |
| "BTA_AG_WBS_EVT Set codec status %d codec %d 1=CVSD 2=MSBC", |
| p_data->val.hdr.status, p_data->val.num); |
| if (p_data->val.num == BTA_AG_CODEC_CVSD) { |
| HAL_CBACK(bt_hf_callbacks, wbs_cb, BTHF_WBS_NO, |
| &btif_hf_cb[idx].connected_bda); |
| } else if (p_data->val.num == BTA_AG_CODEC_MSBC) { |
| HAL_CBACK(bt_hf_callbacks, wbs_cb, BTHF_WBS_YES, |
| &btif_hf_cb[idx].connected_bda); |
| } else { |
| HAL_CBACK(bt_hf_callbacks, wbs_cb, BTHF_WBS_NONE, |
| &btif_hf_cb[idx].connected_bda); |
| } |
| break; |
| |
| /* Java needs to send OK/ERROR for these commands */ |
| case BTA_AG_AT_CHLD_EVT: |
| HAL_CBACK(bt_hf_callbacks, chld_cmd_cb, |
| (bthf_chld_type_t)atoi(p_data->val.str), |
| &btif_hf_cb[idx].connected_bda); |
| break; |
| |
| case BTA_AG_AT_CLCC_EVT: |
| HAL_CBACK(bt_hf_callbacks, clcc_cmd_cb, &btif_hf_cb[idx].connected_bda); |
| break; |
| |
| case BTA_AG_AT_COPS_EVT: |
| HAL_CBACK(bt_hf_callbacks, cops_cmd_cb, &btif_hf_cb[idx].connected_bda); |
| break; |
| |
| case BTA_AG_AT_UNAT_EVT: |
| HAL_CBACK(bt_hf_callbacks, unknown_at_cmd_cb, p_data->val.str, |
| &btif_hf_cb[idx].connected_bda); |
| break; |
| |
| case BTA_AG_AT_CNUM_EVT: |
| HAL_CBACK(bt_hf_callbacks, cnum_cmd_cb, &btif_hf_cb[idx].connected_bda); |
| break; |
| |
| /* TODO: Some of these commands may need to be sent to app. For now respond |
| * with error */ |
| case BTA_AG_AT_BINP_EVT: |
| case BTA_AG_AT_BTRH_EVT: |
| send_at_result(BTA_AG_OK_ERROR, BTA_AG_ERR_OP_NOT_SUPPORTED, idx); |
| break; |
| case BTA_AG_AT_BAC_EVT: |
| BTIF_TRACE_DEBUG("AG Bitmap of peer-codecs %d", p_data->val.num); |
| /* If the peer supports mSBC and the BTIF preferred codec is also mSBC, |
| then |
| we should set the BTA AG Codec to mSBC. This would trigger a +BCS to mSBC |
| at the time |
| of SCO connection establishment */ |
| if ((btif_conf_hf_force_wbs == true) && |
| (p_data->val.num & BTA_AG_CODEC_MSBC)) { |
| BTIF_TRACE_EVENT("%s: btif_hf override-Preferred Codec to MSBC", |
| __func__); |
| BTA_AgSetCodec(btif_hf_cb[idx].handle, BTA_AG_CODEC_MSBC); |
| } else { |
| BTIF_TRACE_EVENT("%s btif_hf override-Preferred Codec to CVSD", |
| __func__); |
| BTA_AgSetCodec(btif_hf_cb[idx].handle, BTA_AG_CODEC_CVSD); |
| } |
| break; |
| case BTA_AG_AT_BCS_EVT: |
| BTIF_TRACE_DEBUG("%s: AG final selected codec is 0x%02x 1=CVSD 2=MSBC", |
| __func__, p_data->val.num); |
| /* No BTHF_WBS_NONE case, because HF1.6 supported device can send BCS */ |
| /* Only CVSD is considered narrow band speech */ |
| HAL_CBACK( |
| bt_hf_callbacks, wbs_cb, |
| (p_data->val.num == BTA_AG_CODEC_CVSD) ? BTHF_WBS_NO : BTHF_WBS_YES, |
| &btif_hf_cb[idx].connected_bda); |
| break; |
| |
| case BTA_AG_AT_BIND_EVT: |
| if (p_data->val.hdr.status == BTA_AG_SUCCESS) { |
| HAL_CBACK(bt_hf_callbacks, bind_cb, p_data->val.str, |
| &btif_hf_cb[idx].connected_bda); |
| } |
| break; |
| |
| case BTA_AG_AT_BIEV_EVT: |
| if (p_data->val.hdr.status == BTA_AG_SUCCESS) { |
| HAL_CBACK(bt_hf_callbacks, biev_cb, |
| (bthf_hf_ind_type_t)p_data->val.lidx, (int)p_data->val.num, |
| &btif_hf_cb[idx].connected_bda); |
| } |
| break; |
| default: |
| BTIF_TRACE_WARNING("%s: Unhandled event: %d", __func__, event); |
| break; |
| } |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bte_hf_evt |
| * |
| * Description Switches context from BTE to BTIF for all HF events |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| |
| static void bte_hf_evt(tBTA_AG_EVT event, tBTA_AG* p_data) { |
| bt_status_t status; |
| int param_len = 0; |
| |
| /* TODO: BTA sends the union members and not tBTA_AG. If using |
| * param_len=sizeof(tBTA_AG), we get a crash on memcpy */ |
| if (BTA_AG_REGISTER_EVT == event) |
| param_len = sizeof(tBTA_AG_REGISTER); |
| else if (BTA_AG_OPEN_EVT == event) |
| param_len = sizeof(tBTA_AG_OPEN); |
| else if (BTA_AG_CONN_EVT == event) |
| param_len = sizeof(tBTA_AG_CONN); |
| else if ((BTA_AG_CLOSE_EVT == event) || (BTA_AG_AUDIO_OPEN_EVT == event) || |
| (BTA_AG_AUDIO_CLOSE_EVT == event)) |
| param_len = sizeof(tBTA_AG_HDR); |
| else if (p_data) |
| param_len = sizeof(tBTA_AG_VAL); |
| |
| /* switch context to btif task context (copy full union size for convenience) |
| */ |
| status = btif_transfer_context(btif_hf_upstreams_evt, (uint16_t)event, |
| (char*)p_data, param_len, NULL); |
| |
| /* catch any failed context transfers */ |
| ASSERTC(status == BT_STATUS_SUCCESS, "context transfer failed", status); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function btif_in_hf_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_generic_evt(uint16_t event, char* p_param) { |
| int idx = btif_hf_idx_by_bdaddr((RawAddress*)p_param); |
| |
| BTIF_TRACE_EVENT("%s: event=%d", __func__, event); |
| |
| if ((idx < 0) || (idx >= BTIF_HF_NUM_CB)) { |
| BTIF_TRACE_ERROR("%s: Invalid index %d", __func__, idx); |
| return; |
| } |
| |
| switch (event) { |
| case BTIF_HFP_CB_AUDIO_CONNECTING: { |
| HAL_CBACK(bt_hf_callbacks, audio_state_cb, BTHF_AUDIO_STATE_CONNECTING, |
| &btif_hf_cb[idx].connected_bda); |
| } break; |
| default: { |
| BTIF_TRACE_WARNING("%s : Unknown event 0x%x", __func__, event); |
| } break; |
| } |
| } |
| |
| static bool inband_ringing_property_enabled() { |
| char inband_ringing_flag[PROPERTY_VALUE_MAX] = {0}; |
| osi_property_get("persist.bluetooth.enableinbandringing", inband_ringing_flag, |
| "false"); |
| if (strncmp(inband_ringing_flag, "true", 4) == 0) { |
| BTIF_TRACE_DEBUG("%s: In-band ringing enabled by property", __func__); |
| return true; |
| } |
| return false; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function btif_hf_init |
| * |
| * Description initializes the hf interface |
| * |
| * Returns bt_status_t |
| * |
| ******************************************************************************/ |
| static bt_status_t init(bthf_callbacks_t* callbacks, int max_hf_clients, |
| bool inband_ringing_supported) { |
| bool inband_ringing_property_enable = inband_ringing_property_enabled(); |
| if (inband_ringing_supported && inband_ringing_property_enable) { |
| btif_hf_features |= BTA_AG_FEAT_INBAND; |
| } else { |
| btif_hf_features &= ~BTA_AG_FEAT_INBAND; |
| } |
| btif_max_hf_clients = max_hf_clients; |
| BTIF_TRACE_DEBUG( |
| "%s: btif_hf_features=%zu, max_hf_clients=%d, " |
| "inband_ringing=[supported=%d, enabled=%d]", |
| __func__, btif_hf_features, btif_max_hf_clients, inband_ringing_supported, |
| inband_ringing_property_enable); |
| bt_hf_callbacks = callbacks; |
| memset(&btif_hf_cb, 0, sizeof(btif_hf_cb)); |
| |
| /* Invoke the enable service API to the core to set the appropriate service_id |
| * Internally, the HSP_SERVICE_ID shall also be enabled if HFP is enabled |
| * (phone) |
| * othwerwise only HSP is enabled (tablet) |
| */ |
| #if (defined(BTIF_HF_SERVICES) && (BTIF_HF_SERVICES & BTA_HFP_SERVICE_MASK)) |
| btif_enable_service(BTA_HFP_SERVICE_ID); |
| #else |
| btif_enable_service(BTA_HSP_SERVICE_ID); |
| #endif |
| |
| for (int i = 0; i < btif_max_hf_clients; i++) clear_phone_state_multihf(i); |
| |
| return BT_STATUS_SUCCESS; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function connect |
| * |
| * Description connect to headset |
| * |
| * Returns bt_status_t |
| * |
| ******************************************************************************/ |
| static bt_status_t connect_int(RawAddress* bd_addr, uint16_t uuid) { |
| CHECK_BTHF_INIT(); |
| int i; |
| for (i = 0; i < btif_max_hf_clients;) { |
| if (((btif_hf_cb[i].state == BTHF_CONNECTION_STATE_CONNECTED) || |
| (btif_hf_cb[i].state == BTHF_CONNECTION_STATE_SLC_CONNECTED))) |
| i++; |
| else |
| break; |
| } |
| |
| if (i == btif_max_hf_clients) return BT_STATUS_BUSY; |
| |
| if (!is_connected(bd_addr)) { |
| btif_hf_cb[i].state = BTHF_CONNECTION_STATE_CONNECTING; |
| btif_hf_cb[i].connected_bda = *bd_addr; |
| |
| BTA_AgOpen(btif_hf_cb[i].handle, btif_hf_cb[i].connected_bda, |
| BTIF_HF_SECURITY, BTIF_HF_SERVICES); |
| return BT_STATUS_SUCCESS; |
| } |
| |
| return BT_STATUS_BUSY; |
| } |
| |
| static bt_status_t connect(RawAddress* bd_addr) { |
| CHECK_BTHF_INIT(); |
| return btif_queue_connect(UUID_SERVCLASS_AG_HANDSFREE, bd_addr, connect_int); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function disconnect |
| * |
| * Description disconnect from headset |
| * |
| * Returns bt_status_t |
| * |
| ******************************************************************************/ |
| static bt_status_t disconnect(RawAddress* bd_addr) { |
| CHECK_BTHF_INIT(); |
| |
| int idx = btif_hf_idx_by_bdaddr(bd_addr); |
| |
| if ((idx < 0) || (idx >= BTIF_HF_NUM_CB)) { |
| BTIF_TRACE_ERROR("%s: Invalid index %d", __func__, idx); |
| return BT_STATUS_FAIL; |
| } |
| |
| if (is_connected(bd_addr) && (idx != BTIF_HF_INVALID_IDX)) { |
| BTA_AgClose(btif_hf_cb[idx].handle); |
| return BT_STATUS_SUCCESS; |
| } |
| |
| return BT_STATUS_FAIL; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function connect_audio |
| * |
| * Description create an audio connection |
| * |
| * Returns bt_status_t |
| * |
| ******************************************************************************/ |
| static bt_status_t connect_audio(RawAddress* bd_addr) { |
| CHECK_BTHF_INIT(); |
| |
| int idx = btif_hf_idx_by_bdaddr(bd_addr); |
| |
| if ((idx < 0) || (idx >= BTIF_HF_NUM_CB)) { |
| BTIF_TRACE_ERROR("%s: Invalid index %d", __func__, idx); |
| return BT_STATUS_FAIL; |
| } |
| |
| /* Check if SLC is connected */ |
| if (btif_hf_check_if_slc_connected() != BT_STATUS_SUCCESS) |
| return BT_STATUS_NOT_READY; |
| |
| if (is_connected(bd_addr) && (idx != BTIF_HF_INVALID_IDX)) { |
| BTA_AgAudioOpen(btif_hf_cb[idx].handle); |
| |
| /* Inform the application that the audio connection has been initiated |
| * successfully */ |
| btif_transfer_context(btif_in_hf_generic_evt, BTIF_HFP_CB_AUDIO_CONNECTING, |
| (char*)bd_addr, sizeof(RawAddress), NULL); |
| return BT_STATUS_SUCCESS; |
| } |
| |
| return BT_STATUS_FAIL; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function disconnect_audio |
| * |
| * Description close the audio connection |
| * |
| * Returns bt_status_t |
| * |
| ******************************************************************************/ |
| static bt_status_t disconnect_audio(RawAddress* bd_addr) { |
| CHECK_BTHF_INIT(); |
| |
| int idx = btif_hf_idx_by_bdaddr(bd_addr); |
| |
| if ((idx < 0) || (idx >= BTIF_HF_NUM_CB)) { |
| BTIF_TRACE_ERROR("%s: Invalid index %d", __func__, idx); |
| return BT_STATUS_FAIL; |
| } |
| |
| if (is_connected(bd_addr) && (idx != BTIF_HF_INVALID_IDX)) { |
| BTA_AgAudioClose(btif_hf_cb[idx].handle); |
| return BT_STATUS_SUCCESS; |
| } |
| |
| return BT_STATUS_FAIL; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function start_voice_recognition |
| * |
| * Description start voice recognition |
| * |
| * Returns bt_status_t |
| * |
| ******************************************************************************/ |
| static bt_status_t start_voice_recognition(RawAddress* bd_addr) { |
| CHECK_BTHF_INIT(); |
| |
| int idx = btif_hf_idx_by_bdaddr(bd_addr); |
| |
| if ((idx < 0) || (idx >= BTIF_HF_NUM_CB)) { |
| BTIF_TRACE_ERROR("%s: Invalid index %d", __func__, idx); |
| return BT_STATUS_FAIL; |
| } |
| |
| if (is_connected(bd_addr) && (idx != BTIF_HF_INVALID_IDX)) { |
| if (btif_hf_cb[idx].peer_feat & BTA_AG_PEER_FEAT_VREC) { |
| tBTA_AG_RES_DATA ag_res; |
| memset(&ag_res, 0, sizeof(ag_res)); |
| ag_res.state = 1; |
| BTA_AgResult(btif_hf_cb[idx].handle, BTA_AG_BVRA_RES, &ag_res); |
| |
| return BT_STATUS_SUCCESS; |
| } else { |
| return BT_STATUS_UNSUPPORTED; |
| } |
| } |
| |
| return BT_STATUS_NOT_READY; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function stop_voice_recognition |
| * |
| * Description stop voice recognition |
| * |
| * Returns bt_status_t |
| * |
| ******************************************************************************/ |
| static bt_status_t stop_voice_recognition(RawAddress* bd_addr) { |
| CHECK_BTHF_INIT(); |
| |
| int idx = btif_hf_idx_by_bdaddr(bd_addr); |
| |
| if ((idx < 0) || (idx >= BTIF_HF_NUM_CB)) { |
| BTIF_TRACE_ERROR("%s: Invalid index %d", __func__, idx); |
| return BT_STATUS_FAIL; |
| } |
| |
| if (is_connected(bd_addr) && (idx != BTIF_HF_INVALID_IDX)) { |
| if (btif_hf_cb[idx].peer_feat & BTA_AG_PEER_FEAT_VREC) { |
| tBTA_AG_RES_DATA ag_res; |
| memset(&ag_res, 0, sizeof(ag_res)); |
| ag_res.state = 0; |
| BTA_AgResult(btif_hf_cb[idx].handle, BTA_AG_BVRA_RES, &ag_res); |
| |
| return BT_STATUS_SUCCESS; |
| } else { |
| return BT_STATUS_UNSUPPORTED; |
| } |
| } |
| |
| return BT_STATUS_NOT_READY; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function volume_control |
| * |
| * Description volume control |
| * |
| * Returns bt_status_t |
| * |
| ******************************************************************************/ |
| static bt_status_t volume_control(bthf_volume_type_t type, int volume, |
| RawAddress* bd_addr) { |
| CHECK_BTHF_INIT(); |
| |
| int idx = btif_hf_idx_by_bdaddr(bd_addr); |
| |
| if ((idx < 0) || (idx >= BTIF_HF_NUM_CB)) { |
| BTIF_TRACE_ERROR("%s: Invalid index %d", __func__, idx); |
| return BT_STATUS_FAIL; |
| } |
| |
| tBTA_AG_RES_DATA ag_res; |
| memset(&ag_res, 0, sizeof(tBTA_AG_RES_DATA)); |
| if (is_connected(bd_addr) && (idx != BTIF_HF_INVALID_IDX)) { |
| ag_res.num = volume; |
| BTA_AgResult( |
| btif_hf_cb[idx].handle, |
| (type == BTHF_VOLUME_TYPE_SPK) ? BTA_AG_SPK_RES : BTA_AG_MIC_RES, |
| &ag_res); |
| return BT_STATUS_SUCCESS; |
| } |
| |
| return BT_STATUS_FAIL; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function device_status_notification |
| * |
| * Description Combined device status change notification |
| * |
| * Returns bt_status_t |
| * |
| ******************************************************************************/ |
| static bt_status_t device_status_notification(bthf_network_state_t ntk_state, |
| bthf_service_type_t svc_type, |
| int signal, int batt_chg) { |
| CHECK_BTHF_INIT(); |
| |
| if (is_connected(NULL)) { |
| /* send all indicators to BTA. |
| ** BTA will make sure no duplicates are sent out |
| */ |
| send_indicator_update(BTA_AG_IND_SERVICE, |
| (ntk_state == BTHF_NETWORK_STATE_AVAILABLE) ? 1 : 0); |
| send_indicator_update(BTA_AG_IND_ROAM, |
| (svc_type == BTHF_SERVICE_TYPE_HOME) ? 0 : 1); |
| send_indicator_update(BTA_AG_IND_SIGNAL, signal); |
| send_indicator_update(BTA_AG_IND_BATTCHG, batt_chg); |
| return BT_STATUS_SUCCESS; |
| } |
| |
| return BT_STATUS_SUCCESS; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function cops_response |
| * |
| * Description Response for COPS command |
| * |
| * Returns bt_status_t |
| * |
| ******************************************************************************/ |
| static bt_status_t cops_response(const char* cops, RawAddress* bd_addr) { |
| CHECK_BTHF_INIT(); |
| |
| int idx = btif_hf_idx_by_bdaddr(bd_addr); |
| |
| if ((idx < 0) || (idx >= BTIF_HF_NUM_CB)) { |
| BTIF_TRACE_ERROR("%s: Invalid index %d", __func__, idx); |
| return BT_STATUS_FAIL; |
| } |
| |
| if (is_connected(bd_addr) && (idx != BTIF_HF_INVALID_IDX)) { |
| tBTA_AG_RES_DATA ag_res; |
| |
| /* Format the response */ |
| snprintf(ag_res.str, sizeof(ag_res.str), "0,0,\"%.16s\"", cops); |
| ag_res.ok_flag = BTA_AG_OK_DONE; |
| |
| BTA_AgResult(btif_hf_cb[idx].handle, BTA_AG_COPS_RES, &ag_res); |
| return BT_STATUS_SUCCESS; |
| } |
| return BT_STATUS_FAIL; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function cind_response |
| * |
| * Description Response for CIND command |
| * |
| * Returns bt_status_t |
| * |
| ******************************************************************************/ |
| static bt_status_t cind_response(int svc, int num_active, int num_held, |
| bthf_call_state_t call_setup_state, int signal, |
| int roam, int batt_chg, RawAddress* bd_addr) { |
| CHECK_BTHF_INIT(); |
| |
| int idx = btif_hf_idx_by_bdaddr(bd_addr); |
| |
| if ((idx < 0) || (idx >= BTIF_HF_NUM_CB)) { |
| BTIF_TRACE_ERROR("%s: Invalid index %d", __func__, idx); |
| return BT_STATUS_FAIL; |
| } |
| |
| if (is_connected(bd_addr) && (idx != BTIF_HF_INVALID_IDX)) { |
| tBTA_AG_RES_DATA ag_res; |
| |
| memset(&ag_res, 0, sizeof(ag_res)); |
| /* per the errata 2043, call=1 implies atleast one call is in progress |
| *(active/held) |
| ** https://www.bluetooth.org/errata/errata_view.cfm?errata_id=2043 |
| **/ |
| snprintf( |
| ag_res.str, sizeof(ag_res.str), "%d,%d,%d,%d,%d,%d,%d", |
| (num_active + num_held) ? 1 : 0, /* Call state */ |
| callstate_to_callsetup(call_setup_state), /* Callsetup state */ |
| svc, /* network service */ |
| signal, /* Signal strength */ |
| roam, /* Roaming indicator */ |
| batt_chg, /* Battery level */ |
| ((num_held == 0) ? 0 : ((num_active == 0) ? 2 : 1))); /* Call held */ |
| |
| BTA_AgResult(btif_hf_cb[idx].handle, BTA_AG_CIND_RES, &ag_res); |
| |
| return BT_STATUS_SUCCESS; |
| } |
| |
| return BT_STATUS_FAIL; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bind_response |
| * |
| * Description Send +BIND response |
| * |
| * Returns bt_status_t |
| * |
| ******************************************************************************/ |
| static bt_status_t bind_response(bthf_hf_ind_type_t ind_id, |
| bthf_hf_ind_status_t ind_status, |
| RawAddress* bd_addr) { |
| CHECK_BTHF_INIT(); |
| |
| int index = btif_hf_idx_by_bdaddr(bd_addr); |
| if (!is_connected(bd_addr) || index == BTIF_HF_INVALID_IDX) |
| return BT_STATUS_FAIL; |
| |
| tBTA_AG_RES_DATA ag_res; |
| memset(&ag_res, 0, sizeof(ag_res)); |
| ag_res.ind.id = ind_id; |
| ag_res.ind.on_demand = (ind_status == BTHF_HF_IND_ENABLED); |
| |
| BTA_AgResult(btif_hf_cb[index].handle, BTA_AG_BIND_RES, &ag_res); |
| return BT_STATUS_SUCCESS; |
| } |
| |
| static bt_status_t set_sco_allowed(bool value) { |
| CHECK_BTHF_INIT(); |
| |
| BTA_AgSetScoAllowed(value); |
| return BT_STATUS_SUCCESS; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function formatted_at_response |
| * |
| * Description Pre-formatted AT response, typically in response to unknown |
| * AT cmd |
| * |
| * Returns bt_status_t |
| * |
| ******************************************************************************/ |
| static bt_status_t formatted_at_response(const char* rsp, RawAddress* bd_addr) { |
| CHECK_BTHF_INIT(); |
| tBTA_AG_RES_DATA ag_res; |
| int idx = btif_hf_idx_by_bdaddr(bd_addr); |
| |
| if ((idx < 0) || (idx >= BTIF_HF_NUM_CB)) { |
| BTIF_TRACE_ERROR("%s: Invalid index %d", __func__, idx); |
| return BT_STATUS_FAIL; |
| } |
| |
| if (is_connected(bd_addr) && (idx != BTIF_HF_INVALID_IDX)) { |
| /* Format the response and send */ |
| memset(&ag_res, 0, sizeof(ag_res)); |
| strncpy(ag_res.str, rsp, BTA_AG_AT_MAX_LEN); |
| BTA_AgResult(btif_hf_cb[idx].handle, BTA_AG_UNAT_RES, &ag_res); |
| |
| return BT_STATUS_SUCCESS; |
| } |
| |
| return BT_STATUS_FAIL; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function at_response |
| * |
| * Description ok/error response |
| * |
| * Returns bt_status_t |
| * |
| ******************************************************************************/ |
| static bt_status_t at_response(bthf_at_response_t response_code, int error_code, |
| RawAddress* bd_addr) { |
| CHECK_BTHF_INIT(); |
| |
| int idx = btif_hf_idx_by_bdaddr(bd_addr); |
| |
| if ((idx < 0) || (idx >= BTIF_HF_NUM_CB)) { |
| BTIF_TRACE_ERROR("%s: Invalid index %d", __func__, idx); |
| return BT_STATUS_FAIL; |
| } |
| |
| if (is_connected(bd_addr) && (idx != BTIF_HF_INVALID_IDX)) { |
| send_at_result((response_code == BTHF_AT_RESPONSE_OK) ? BTA_AG_OK_DONE |
| : BTA_AG_OK_ERROR, |
| error_code, idx); |
| return BT_STATUS_SUCCESS; |
| } |
| |
| return BT_STATUS_FAIL; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function clcc_response |
| * |
| * Description response for CLCC command |
| * Can be iteratively called for each call index. Call index |
| * of 0 will be treated as NULL termination (Completes |
| * response) |
| * |
| * Returns bt_status_t |
| * |
| ******************************************************************************/ |
| static bt_status_t clcc_response(int index, bthf_call_direction_t dir, |
| bthf_call_state_t state, bthf_call_mode_t mode, |
| bthf_call_mpty_type_t mpty, const char* number, |
| bthf_call_addrtype_t type, |
| RawAddress* bd_addr) { |
| CHECK_BTHF_INIT(); |
| |
| int idx = btif_hf_idx_by_bdaddr(bd_addr); |
| |
| if ((idx < 0) || (idx >= BTIF_HF_NUM_CB)) { |
| BTIF_TRACE_ERROR("%s: Invalid index %d", __func__, idx); |
| return BT_STATUS_FAIL; |
| } |
| |
| if (is_connected(bd_addr) && (idx != BTIF_HF_INVALID_IDX)) { |
| tBTA_AG_RES_DATA ag_res; |
| memset(&ag_res, 0, sizeof(ag_res)); |
| |
| /* Format the response */ |
| if (index == 0) { |
| ag_res.ok_flag = BTA_AG_OK_DONE; |
| } else { |
| BTIF_TRACE_EVENT( |
| "clcc_response: [%d] dir %d state %d mode %d number = %s type = %d", |
| index, dir, state, mode, number, type); |
| int res_strlen = |
| snprintf(ag_res.str, sizeof(ag_res.str), "%d,%d,%d,%d,%d", index, dir, |
| state, mode, mpty); |
| |
| if (number) { |
| size_t rem_bytes = sizeof(ag_res.str) - res_strlen; |
| char dialnum[sizeof(ag_res.str)]; |
| size_t newidx = 0; |
| if (type == BTHF_CALL_ADDRTYPE_INTERNATIONAL && *number != '+') { |
| dialnum[newidx++] = '+'; |
| } |
| for (size_t i = 0; number[i] != 0; i++) { |
| if (utl_isdialchar(number[i])) { |
| dialnum[newidx++] = number[i]; |
| } |
| } |
| dialnum[newidx] = 0; |
| snprintf(&ag_res.str[res_strlen], rem_bytes, ",\"%s\",%d", dialnum, |
| type); |
| } |
| } |
| BTA_AgResult(btif_hf_cb[idx].handle, BTA_AG_CLCC_RES, &ag_res); |
| |
| return BT_STATUS_SUCCESS; |
| } |
| |
| return BT_STATUS_FAIL; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function phone_state_change |
| * |
| * Description notify of a call state change |
| * number & type: valid only for incoming & waiting call |
| * |
| * Returns bt_status_t |
| * |
| ******************************************************************************/ |
| |
| static bt_status_t phone_state_change(int num_active, int num_held, |
| bthf_call_state_t call_setup_state, |
| const char* number, |
| bthf_call_addrtype_t type) { |
| tBTA_AG_RES res = 0xff; |
| tBTA_AG_RES_DATA ag_res; |
| bt_status_t status = BT_STATUS_SUCCESS; |
| bool activeCallUpdated = false; |
| int idx, i; |
| |
| /* hf_idx is index of connected HS that sent ATA/BLDN, |
| otherwise index of latest connected HS */ |
| if (hf_idx != BTIF_HF_INVALID_IDX) |
| idx = hf_idx; |
| else |
| idx = btif_hf_latest_connected_idx(); |
| |
| BTIF_TRACE_DEBUG("phone_state_change: idx = %d", idx); |
| |
| /* Check if SLC is connected */ |
| if (btif_hf_check_if_slc_connected() != BT_STATUS_SUCCESS) |
| return BT_STATUS_NOT_READY; |
| |
| BTIF_TRACE_DEBUG( |
| "phone_state_change: num_active=%d [prev: %d] num_held=%d[prev: %d]" |
| " call_setup=%s [prev: %s]", |
| num_active, btif_hf_cb[idx].num_active, num_held, |
| btif_hf_cb[idx].num_held, dump_hf_call_state(call_setup_state), |
| dump_hf_call_state(btif_hf_cb[idx].call_setup_state)); |
| |
| /* if all indicators are 0, send end call and return */ |
| if (num_active == 0 && num_held == 0 && |
| call_setup_state == BTHF_CALL_STATE_IDLE) { |
| BTIF_TRACE_DEBUG("%s: Phone on hook", __func__); |
| |
| /* record call termination timestamp if there was an active/held call or |
| callsetup state > BTHF_CALL_STATE_IDLE */ |
| if ((btif_hf_cb[idx].call_setup_state != BTHF_CALL_STATE_IDLE) || |
| (btif_hf_cb[idx].num_active) || (btif_hf_cb[idx].num_held)) { |
| BTIF_TRACE_DEBUG("%s: Record call termination timestamp", __func__); |
| clock_gettime(CLOCK_MONOTONIC, &btif_hf_cb[0].call_end_timestamp); |
| } |
| BTA_AgResult(BTA_AG_HANDLE_ALL, BTA_AG_END_CALL_RES, NULL); |
| hf_idx = BTIF_HF_INVALID_IDX; |
| |
| /* if held call was present, reset that as well */ |
| if (btif_hf_cb[idx].num_held) send_indicator_update(BTA_AG_IND_CALLHELD, 0); |
| |
| goto update_call_states; |
| } |
| |
| /* active state can change when: |
| ** 1. an outgoing/incoming call was answered |
| ** 2. an held was resumed |
| ** 3. without callsetup notifications, call became active |
| ** (3) can happen if call is active and a headset connects to us |
| ** |
| ** In the case of (3), we will have to notify the stack of an active |
| ** call, instead of sending an indicator update. This will also |
| ** force the SCO to be setup. Handle this special case here prior to |
| ** call setup handling |
| */ |
| if (((num_active + num_held) > 0) && (btif_hf_cb[idx].num_active == 0) && |
| (btif_hf_cb[idx].num_held == 0) && |
| (btif_hf_cb[idx].call_setup_state == BTHF_CALL_STATE_IDLE)) { |
| BTIF_TRACE_DEBUG( |
| "%s: Active/Held call notification received without call setup update", |
| __func__); |
| |
| memset(&ag_res, 0, sizeof(tBTA_AG_RES_DATA)); |
| ag_res.audio_handle = BTA_AG_HANDLE_SCO_NO_CHANGE; |
| /* Addition call setup with the Active call |
| ** CIND response should have been updated. |
| ** just open SCO connection. |
| */ |
| if (call_setup_state != BTHF_CALL_STATE_IDLE) |
| res = BTA_AG_MULTI_CALL_RES; |
| else |
| res = BTA_AG_OUT_CALL_CONN_RES; |
| BTA_AgResult(BTA_AG_HANDLE_ALL, res, &ag_res); |
| activeCallUpdated = true; |
| } |
| |
| /* Ringing call changed? */ |
| if (call_setup_state != btif_hf_cb[idx].call_setup_state) { |
| BTIF_TRACE_DEBUG("%s: Call setup states changed. old: %s new: %s", __func__, |
| dump_hf_call_state(btif_hf_cb[idx].call_setup_state), |
| dump_hf_call_state(call_setup_state)); |
| memset(&ag_res, 0, sizeof(tBTA_AG_RES_DATA)); |
| |
| switch (call_setup_state) { |
| case BTHF_CALL_STATE_IDLE: { |
| switch (btif_hf_cb[idx].call_setup_state) { |
| case BTHF_CALL_STATE_INCOMING: |
| if (num_active > btif_hf_cb[idx].num_active) { |
| res = BTA_AG_IN_CALL_CONN_RES; |
| ag_res.audio_handle = btif_hf_cb[idx].handle; |
| } else if (num_held > btif_hf_cb[idx].num_held) |
| res = BTA_AG_IN_CALL_HELD_RES; |
| else |
| res = BTA_AG_CALL_CANCEL_RES; |
| break; |
| case BTHF_CALL_STATE_DIALING: |
| case BTHF_CALL_STATE_ALERTING: |
| if (num_active > btif_hf_cb[idx].num_active) { |
| ag_res.audio_handle = BTA_AG_HANDLE_SCO_NO_CHANGE; |
| res = BTA_AG_OUT_CALL_CONN_RES; |
| } else |
| res = BTA_AG_CALL_CANCEL_RES; |
| break; |
| default: |
| BTIF_TRACE_ERROR("%s: Incorrect Call setup state transition", |
| __func__); |
| status = BT_STATUS_PARM_INVALID; |
| break; |
| } |
| } break; |
| |
| case BTHF_CALL_STATE_INCOMING: |
| if (num_active || num_held) { |
| res = BTA_AG_CALL_WAIT_RES; |
| } else { |
| res = BTA_AG_IN_CALL_RES; |
| } |
| if (number) { |
| int xx = 0; |
| if ((type == BTHF_CALL_ADDRTYPE_INTERNATIONAL) && (*number != '+')) |
| xx = snprintf(ag_res.str, sizeof(ag_res.str), "\"+%s\"", number); |
| else |
| xx = snprintf(ag_res.str, sizeof(ag_res.str), "\"%s\"", number); |
| ag_res.num = type; |
| |
| if (res == BTA_AG_CALL_WAIT_RES) |
| snprintf(&ag_res.str[xx], sizeof(ag_res.str) - xx, ",%d", type); |
| } |
| break; |
| case BTHF_CALL_STATE_DIALING: |
| if (!(num_active + num_held)) |
| ag_res.audio_handle = btif_hf_cb[idx].handle; |
| res = BTA_AG_OUT_CALL_ORIG_RES; |
| break; |
| case BTHF_CALL_STATE_ALERTING: |
| /* if we went from idle->alert, force SCO setup here. dialing usually |
| * triggers it */ |
| if ((btif_hf_cb[idx].call_setup_state == BTHF_CALL_STATE_IDLE) && |
| !(num_active + num_held)) |
| ag_res.audio_handle = btif_hf_cb[idx].handle; |
| res = BTA_AG_OUT_CALL_ALERT_RES; |
| break; |
| default: |
| BTIF_TRACE_ERROR("%s: Incorrect new ringing call state", __func__); |
| status = BT_STATUS_PARM_INVALID; |
| break; |
| } |
| BTIF_TRACE_DEBUG("%s: Call setup state changed. res=%d, audio_handle=%d", |
| __func__, res, ag_res.audio_handle); |
| |
| if (res) BTA_AgResult(BTA_AG_HANDLE_ALL, res, &ag_res); |
| |
| /* if call setup is idle, we have already updated call indicator, jump out |
| */ |
| if (call_setup_state == BTHF_CALL_STATE_IDLE) { |
| /* check & update callheld */ |
| if ((num_held > 0) && (num_active > 0)) |
| send_indicator_update(BTA_AG_IND_CALLHELD, 1); |
| goto update_call_states; |
| } |
| } |
| |
| memset(&ag_res, 0, sizeof(tBTA_AG_RES_DATA)); |
| |
| /* per the errata 2043, call=1 implies atleast one call is in progress |
| *(active/held) |
| ** https://www.bluetooth.org/errata/errata_view.cfm?errata_id=2043 |
| ** Handle call indicator change |
| **/ |
| if (!activeCallUpdated && |
| ((num_active + num_held) != |
| (btif_hf_cb[idx].num_active + btif_hf_cb[idx].num_held))) { |
| BTIF_TRACE_DEBUG("%s: Active call states changed. old: %d new: %d", |
| __func__, btif_hf_cb[idx].num_active, num_active); |
| send_indicator_update(BTA_AG_IND_CALL, |
| ((num_active + num_held) > 0) ? 1 : 0); |
| } |
| |
| /* Held Changed? */ |
| if (num_held != btif_hf_cb[idx].num_held || |
| ((num_active == 0) && ((num_held + btif_hf_cb[idx].num_held) > 1))) { |
| BTIF_TRACE_DEBUG("%s: Held call states changed. old: %d new: %d", __func__, |
| btif_hf_cb[idx].num_held, num_held); |
| send_indicator_update(BTA_AG_IND_CALLHELD, |
| ((num_held == 0) ? 0 : ((num_active == 0) ? 2 : 1))); |
| } |
| |
| /* Calls Swapped? */ |
| if ((call_setup_state == btif_hf_cb[idx].call_setup_state) && |
| (num_active && num_held) && (num_active == btif_hf_cb[idx].num_active) && |
| (num_held == btif_hf_cb[idx].num_held)) { |
| BTIF_TRACE_DEBUG("%s: Calls swapped", __func__); |
| send_indicator_update(BTA_AG_IND_CALLHELD, 1); |
| } |
| |
| update_call_states: |
| for (i = 0; i < btif_max_hf_clients; i++) { |
| if (btif_hf_cb[i].state == BTHF_CONNECTION_STATE_SLC_CONNECTED) { |
| btif_hf_cb[i].num_active = num_active; |
| btif_hf_cb[i].num_held = num_held; |
| btif_hf_cb[i].call_setup_state = call_setup_state; |
| } |
| } |
| return status; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function btif_hf_is_call_idle |
| * |
| * Description returns true if no call is in progress |
| * |
| * Returns bt_status_t |
| * |
| ******************************************************************************/ |
| bool btif_hf_is_call_idle(void) { |
| if (bt_hf_callbacks == NULL) return true; |
| |
| for (int i = 0; i < btif_max_hf_clients; ++i) { |
| if ((btif_hf_cb[i].call_setup_state != BTHF_CALL_STATE_IDLE) || |
| ((btif_hf_cb[i].num_held + btif_hf_cb[i].num_active) > 0)) |
| return false; |
| } |
| |
| return true; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function btif_hf_call_terminated_recently |
| * |
| * Description Checks if a call has been terminated |
| * |
| * Returns bt_status_t |
| * |
| ******************************************************************************/ |
| bool btif_hf_call_terminated_recently() { |
| struct timespec now; |
| |
| clock_gettime(CLOCK_MONOTONIC, &now); |
| if (now.tv_sec < |
| btif_hf_cb[0].call_end_timestamp.tv_sec + BTIF_HF_CALL_END_TIMEOUT) { |
| return true; |
| } else { |
| btif_hf_cb[0].call_end_timestamp.tv_sec = 0; |
| return false; |
| } |
| } |
| |
| /******************************************************************************* |
| * |
| * Function cleanup |
| * |
| * Description Closes the HF interface |
| * |
| * Returns bt_status_t |
| * |
| ******************************************************************************/ |
| static void cleanup(void) { |
| BTIF_TRACE_EVENT("%s", __func__); |
| |
| if (bt_hf_callbacks) { |
| #if (defined(BTIF_HF_SERVICES) && (BTIF_HF_SERVICES & BTA_HFP_SERVICE_MASK)) |
| btif_disable_service(BTA_HFP_SERVICE_ID); |
| #else |
| btif_disable_service(BTA_HSP_SERVICE_ID); |
| #endif |
| bt_hf_callbacks = NULL; |
| } |
| } |
| |
| /******************************************************************************* |
| * |
| * Function configure_wbs |
| * |
| * Description set to over-ride the current WBS configuration. |
| * It will not send codec setting cmd to the controller now. |
| * It just change the configure. |
| * |
| * Returns bt_status_t |
| * |
| ******************************************************************************/ |
| static bt_status_t configure_wbs(RawAddress* bd_addr, |
| bthf_wbs_config_t config) { |
| CHECK_BTHF_INIT(); |
| |
| int idx = btif_hf_idx_by_bdaddr(bd_addr); |
| |
| if ((idx < 0) || (idx >= BTIF_HF_NUM_CB)) { |
| BTIF_TRACE_ERROR("%s: Invalid index %d", __func__, idx); |
| return BT_STATUS_FAIL; |
| } |
| |
| BTIF_TRACE_EVENT("%s config is %d", __func__, config); |
| if (config == BTHF_WBS_YES) |
| BTA_AgSetCodec(btif_hf_cb[idx].handle, BTA_AG_CODEC_MSBC); |
| else if (config == BTHF_WBS_NO) |
| BTA_AgSetCodec(btif_hf_cb[idx].handle, BTA_AG_CODEC_CVSD); |
| else |
| BTA_AgSetCodec(btif_hf_cb[idx].handle, BTA_AG_CODEC_NONE); |
| |
| return BT_STATUS_SUCCESS; |
| } |
| |
| static const bthf_interface_t bthfInterface = { |
| sizeof(bthfInterface), |
| init, |
| connect, |
| disconnect, |
| connect_audio, |
| disconnect_audio, |
| start_voice_recognition, |
| stop_voice_recognition, |
| volume_control, |
| device_status_notification, |
| cops_response, |
| cind_response, |
| formatted_at_response, |
| at_response, |
| clcc_response, |
| phone_state_change, |
| cleanup, |
| configure_wbs, |
| bind_response, |
| set_sco_allowed, |
| }; |
| |
| /******************************************************************************* |
| * |
| * Function btif_hf_execute_service |
| * |
| * Description Initializes/Shuts down the service |
| * |
| * Returns BT_STATUS_SUCCESS on success, BT_STATUS_FAIL otherwise |
| * |
| ******************************************************************************/ |
| bt_status_t btif_hf_execute_service(bool b_enable) { |
| const char* p_service_names[] = BTIF_HF_SERVICE_NAMES; |
| int i; |
| if (b_enable) { |
| /* Enable and register with BTA-AG */ |
| BTA_AgEnable(BTA_AG_PARSE, bte_hf_evt); |
| for (i = 0; i < btif_max_hf_clients; i++) { |
| BTA_AgRegister(BTIF_HF_SERVICES, BTIF_HF_SECURITY, btif_hf_features, |
| p_service_names, bthf_hf_id[i]); |
| } |
| } else { |
| /* De-register AG */ |
| for (i = 0; i < btif_max_hf_clients; i++) { |
| BTA_AgDeregister(btif_hf_cb[i].handle); |
| } |
| /* Disable AG */ |
| BTA_AgDisable(); |
| } |
| return BT_STATUS_SUCCESS; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function btif_hf_get_interface |
| * |
| * Description Get the hf callback interface |
| * |
| * Returns bthf_interface_t |
| * |
| ******************************************************************************/ |
| const bthf_interface_t* btif_hf_get_interface() { |
| BTIF_TRACE_EVENT("%s", __func__); |
| return &bthfInterface; |
| } |