/****************************************************************************** * * Copyright 2009-2013 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. * ******************************************************************************/ #define LOG_TAG "bt_bta_hh" #include "bta_api.h" #include "bta_hh_int.h" #include "osi/include/osi.h" #if (BTA_HH_LE_INCLUDED == TRUE) #include #include #include #include "bta_gatt_api.h" #include "bta_gatt_queue.h" #include "bta_hh_co.h" #include "btm_api.h" #include "btm_ble_api.h" #include "btm_int.h" #include "device/include/interop.h" #include "osi/include/log.h" #include "srvc_api.h" #include "stack/include/l2c_api.h" #include "utl.h" using bluetooth::Uuid; using std::vector; #ifndef BTA_HH_LE_RECONN #define BTA_HH_LE_RECONN TRUE #endif #define BTA_HH_APP_ID_LE 0xff #define BTA_HH_LE_RPT_TYPE_VALID(x) \ ((x) <= BTA_LE_HID_RPT_FEATURE && (x) >= BTA_LE_HID_RPT_INPUT) #define BTA_HH_LE_PROTO_BOOT_MODE 0x00 #define BTA_HH_LE_PROTO_REPORT_MODE 0x01 #define BTA_LE_HID_RTP_UUID_MAX 5 static const uint16_t bta_hh_uuid_to_rtp_type[BTA_LE_HID_RTP_UUID_MAX][2] = { {GATT_UUID_HID_REPORT, BTA_HH_RPTT_INPUT}, {GATT_UUID_HID_BT_KB_INPUT, BTA_HH_RPTT_INPUT}, {GATT_UUID_HID_BT_KB_OUTPUT, BTA_HH_RPTT_OUTPUT}, {GATT_UUID_HID_BT_MOUSE_INPUT, BTA_HH_RPTT_INPUT}, {GATT_UUID_BATTERY_LEVEL, BTA_HH_RPTT_INPUT}}; static void bta_hh_gattc_callback(tBTA_GATTC_EVT event, tBTA_GATTC* p_data); static void bta_hh_le_add_dev_bg_conn(tBTA_HH_DEV_CB* p_cb, bool check_bond); // TODO(jpawlowski): uncomment when fixed // static void bta_hh_process_cache_rpt (tBTA_HH_DEV_CB *p_cb, // tBTA_HH_RPT_CACHE_ENTRY *p_rpt_cache, // uint8_t num_rpt); #if (BTA_HH_DEBUG == TRUE) static const char* bta_hh_le_rpt_name[4] = {"UNKNOWN", "INPUT", "OUTPUT", "FEATURE"}; /******************************************************************************* * * Function bta_hh_le_hid_report_dbg * * Description debug function to print out all HID report available on * remote device. * * Returns void * ******************************************************************************/ static void bta_hh_le_hid_report_dbg(tBTA_HH_DEV_CB* p_cb) { APPL_TRACE_DEBUG("%s: HID Report DB", __func__); if (!p_cb->hid_srvc.in_use) return; tBTA_HH_LE_RPT* p_rpt = &p_cb->hid_srvc.report[0]; for (int j = 0; j < BTA_HH_LE_RPT_MAX; j++, p_rpt++) { const char* rpt_name = "Unknown"; if (!p_rpt->in_use) break; if (p_rpt->uuid == GATT_UUID_HID_REPORT) rpt_name = "Report"; if (p_rpt->uuid == GATT_UUID_HID_BT_KB_INPUT) rpt_name = "Boot KB Input"; if (p_rpt->uuid == GATT_UUID_HID_BT_KB_OUTPUT) rpt_name = "Boot KB Output"; if (p_rpt->uuid == GATT_UUID_HID_BT_MOUSE_INPUT) rpt_name = "Boot MI Input"; APPL_TRACE_DEBUG( "\t\t [%s- 0x%04x] [Type: %s], [ReportID: %d] [srvc_inst_id: %d] " "[char_inst_id: %d] [Clt_cfg: %d]", rpt_name, p_rpt->uuid, ((p_rpt->rpt_type < 4) ? bta_hh_le_rpt_name[p_rpt->rpt_type] : "UNKNOWN"), p_rpt->rpt_id, p_rpt->srvc_inst_id, p_rpt->char_inst_id, p_rpt->client_cfg_value); } } /******************************************************************************* * * Function bta_hh_uuid_to_str * * Description * * Returns void * ******************************************************************************/ static const char* bta_hh_uuid_to_str(uint16_t uuid) { switch (uuid) { case GATT_UUID_HID_INFORMATION: return "GATT_UUID_HID_INFORMATION"; case GATT_UUID_HID_REPORT_MAP: return "GATT_UUID_HID_REPORT_MAP"; case GATT_UUID_HID_CONTROL_POINT: return "GATT_UUID_HID_CONTROL_POINT"; case GATT_UUID_HID_REPORT: return "GATT_UUID_HID_REPORT"; case GATT_UUID_HID_PROTO_MODE: return "GATT_UUID_HID_PROTO_MODE"; case GATT_UUID_HID_BT_KB_INPUT: return "GATT_UUID_HID_BT_KB_INPUT"; case GATT_UUID_HID_BT_KB_OUTPUT: return "GATT_UUID_HID_BT_KB_OUTPUT"; case GATT_UUID_HID_BT_MOUSE_INPUT: return "GATT_UUID_HID_BT_MOUSE_INPUT"; case GATT_UUID_CHAR_CLIENT_CONFIG: return "GATT_UUID_CHAR_CLIENT_CONFIG"; case GATT_UUID_EXT_RPT_REF_DESCR: return "GATT_UUID_EXT_RPT_REF_DESCR"; case GATT_UUID_RPT_REF_DESCR: return "GATT_UUID_RPT_REF_DESCR"; default: return "Unknown UUID"; } } #endif /******************************************************************************* * * Function bta_hh_le_enable * * Description initialize LE HID related functionality * * * Returns void * ******************************************************************************/ void bta_hh_le_enable(void) { uint8_t xx; bta_hh_cb.gatt_if = BTA_GATTS_INVALID_IF; for (xx = 0; xx < ARRAY_SIZE(bta_hh_cb.le_cb_index); xx++) bta_hh_cb.le_cb_index[xx] = BTA_HH_IDX_INVALID; BTA_GATTC_AppRegister(bta_hh_gattc_callback, base::Bind([](uint8_t client_id, uint8_t r_status) { tBTA_HH bta_hh; bta_hh.status = BTA_HH_ERR; if (r_status == GATT_SUCCESS) { bta_hh_cb.gatt_if = client_id; bta_hh.status = BTA_HH_OK; } else { bta_hh_cb.gatt_if = BTA_GATTS_INVALID_IF; } /* null check is needed in case HID profile is shut * down before BTA_GATTC_AppRegister is done */ if (bta_hh_cb.p_cback) { /* signal BTA call back event */ (*bta_hh_cb.p_cback)(BTA_HH_ENABLE_EVT, &bta_hh); } })); } /******************************************************************************* * * Function bta_hh_le_is_hh_gatt_if * * Description Check to see if client_if is BTA HH LE GATT interface * * * Returns whether it is HH GATT IF * ******************************************************************************/ bool bta_hh_le_is_hh_gatt_if(tGATT_IF client_if) { return (bta_hh_cb.gatt_if == client_if); } /******************************************************************************* * * Function bta_hh_le_deregister * * Description De-register BTA HH from BTA GATTC * * * Returns void * ******************************************************************************/ void bta_hh_le_deregister(void) { BTA_GATTC_AppDeregister(bta_hh_cb.gatt_if); } /******************************************************************************* * * Function bta_hh_is_le_device * * Description Check to see if the remote device is a LE only device * * Parameters: * ******************************************************************************/ bool bta_hh_is_le_device(tBTA_HH_DEV_CB* p_cb, const RawAddress& remote_bda) { p_cb->is_le_device = BTM_UseLeLink(remote_bda); return p_cb->is_le_device; } /****************************************************************************** * * Function bta_hh_le_get_le_cb * * Description Allocate bta_hh_cb.le_cb_index * * Parameters: * ******************************************************************************/ uint8_t bta_hh_le_get_le_dev_hdl(uint8_t cb_index) { uint8_t i; for (i = 0; i < ARRAY_SIZE(bta_hh_cb.le_cb_index); i++) { if (bta_hh_cb.le_cb_index[i] == cb_index) return BTA_HH_GET_LE_DEV_HDL(i); } for (i = 0; i < ARRAY_SIZE(bta_hh_cb.le_cb_index); i++) { if (bta_hh_cb.le_cb_index[i] == BTA_HH_IDX_INVALID) return BTA_HH_GET_LE_DEV_HDL(i); } return BTA_HH_IDX_INVALID; } /******************************************************************************* * * Function bta_hh_le_open_conn * * Description open a GATT connection first. * * Parameters: * ******************************************************************************/ void bta_hh_le_open_conn(tBTA_HH_DEV_CB* p_cb, const RawAddress& remote_bda) { tBTA_HH_STATUS status = BTA_HH_ERR_NO_RES; /* update cb_index[] map */ p_cb->hid_handle = bta_hh_le_get_le_dev_hdl(p_cb->index); if (p_cb->hid_handle == BTA_HH_IDX_INVALID) { bta_hh_sm_execute(p_cb, BTA_HH_SDP_CMPL_EVT, (tBTA_HH_DATA*)&status); return; } p_cb->addr = remote_bda; bta_hh_cb.le_cb_index[BTA_HH_GET_LE_CB_IDX(p_cb->hid_handle)] = p_cb->index; p_cb->in_use = true; BTA_GATTC_Open(bta_hh_cb.gatt_if, remote_bda, true, GATT_TRANSPORT_LE, false); } /******************************************************************************* * * Function bta_hh_le_find_dev_cb_by_conn_id * * Description Utility function find a device control block by connection * ID. * ******************************************************************************/ tBTA_HH_DEV_CB* bta_hh_le_find_dev_cb_by_conn_id(uint16_t conn_id) { uint8_t i; tBTA_HH_DEV_CB* p_dev_cb = &bta_hh_cb.kdev[0]; for (i = 0; i < BTA_HH_MAX_DEVICE; i++, p_dev_cb++) { if (p_dev_cb->in_use && p_dev_cb->conn_id == conn_id) return p_dev_cb; } return NULL; } /******************************************************************************* * * Function bta_hh_le_find_dev_cb_by_bda * * Description Utility function find a device control block by BD address. * ******************************************************************************/ tBTA_HH_DEV_CB* bta_hh_le_find_dev_cb_by_bda(const RawAddress& bda) { uint8_t i; tBTA_HH_DEV_CB* p_dev_cb = &bta_hh_cb.kdev[0]; for (i = 0; i < BTA_HH_MAX_DEVICE; i++, p_dev_cb++) { if (p_dev_cb->in_use && p_dev_cb->addr == bda) return p_dev_cb; } return NULL; } /******************************************************************************* * * Function bta_hh_le_find_service_inst_by_battery_inst_id * * Description find HID service instance ID by battery service instance ID * ******************************************************************************/ uint8_t bta_hh_le_find_service_inst_by_battery_inst_id(tBTA_HH_DEV_CB* p_cb, uint8_t ba_inst_id) { if (p_cb->hid_srvc.in_use && p_cb->hid_srvc.incl_srvc_inst == ba_inst_id) { return p_cb->hid_srvc.srvc_inst_id; } return BTA_HH_IDX_INVALID; } /******************************************************************************* * * Function bta_hh_le_find_report_entry * * Description find the report entry by service instance and report UUID * and instance ID * ******************************************************************************/ tBTA_HH_LE_RPT* bta_hh_le_find_report_entry( tBTA_HH_DEV_CB* p_cb, uint8_t srvc_inst_id, /* service instance ID */ uint16_t rpt_uuid, uint8_t char_inst_id) { uint8_t i; uint8_t hid_inst_id = srvc_inst_id; tBTA_HH_LE_RPT* p_rpt; if (rpt_uuid == GATT_UUID_BATTERY_LEVEL) { hid_inst_id = bta_hh_le_find_service_inst_by_battery_inst_id(p_cb, srvc_inst_id); if (hid_inst_id == BTA_HH_IDX_INVALID) return NULL; } p_rpt = &p_cb->hid_srvc.report[0]; for (i = 0; i < BTA_HH_LE_RPT_MAX; i++, p_rpt++) { if (p_rpt->uuid == rpt_uuid && p_rpt->srvc_inst_id == srvc_inst_id && p_rpt->char_inst_id == char_inst_id) { return p_rpt; } } return NULL; } /******************************************************************************* * * Function bta_hh_le_find_rpt_by_idtype * * Description find a report entry by report ID and protocol mode * * Returns void * ******************************************************************************/ tBTA_HH_LE_RPT* bta_hh_le_find_rpt_by_idtype(tBTA_HH_LE_RPT* p_head, uint8_t mode, tBTA_HH_RPT_TYPE r_type, uint8_t rpt_id) { tBTA_HH_LE_RPT* p_rpt = p_head; uint8_t i; #if (BTA_HH_DEBUG == TRUE) APPL_TRACE_DEBUG("bta_hh_le_find_rpt_by_idtype: r_type: %d rpt_id: %d", r_type, rpt_id); #endif for (i = 0; i < BTA_HH_LE_RPT_MAX; i++, p_rpt++) { if (p_rpt->in_use && p_rpt->rpt_id == rpt_id && r_type == p_rpt->rpt_type) { /* return battery report w/o condition */ if (p_rpt->uuid == GATT_UUID_BATTERY_LEVEL) return p_rpt; if (mode == BTA_HH_PROTO_RPT_MODE && p_rpt->uuid == GATT_UUID_HID_REPORT) return p_rpt; if (mode == BTA_HH_PROTO_BOOT_MODE && (p_rpt->uuid >= GATT_UUID_HID_BT_KB_INPUT && p_rpt->uuid <= GATT_UUID_HID_BT_MOUSE_INPUT)) return p_rpt; } } return NULL; } /******************************************************************************* * * Function bta_hh_le_find_alloc_report_entry * * Description find or allocate a report entry in the HID service report * list. * ******************************************************************************/ tBTA_HH_LE_RPT* bta_hh_le_find_alloc_report_entry(tBTA_HH_DEV_CB* p_cb, uint8_t srvc_inst_id, uint16_t rpt_uuid, uint8_t inst_id) { uint8_t i, hid_inst_id = srvc_inst_id; tBTA_HH_LE_RPT* p_rpt; if (rpt_uuid == GATT_UUID_BATTERY_LEVEL) { hid_inst_id = bta_hh_le_find_service_inst_by_battery_inst_id(p_cb, srvc_inst_id); if (hid_inst_id == BTA_HH_IDX_INVALID) return NULL; } p_rpt = &p_cb->hid_srvc.report[0]; for (i = 0; i < BTA_HH_LE_RPT_MAX; i++, p_rpt++) { if (!p_rpt->in_use || (p_rpt->uuid == rpt_uuid && p_rpt->srvc_inst_id == srvc_inst_id && p_rpt->char_inst_id == inst_id)) { if (!p_rpt->in_use) { p_rpt->in_use = true; p_rpt->index = i; p_rpt->srvc_inst_id = srvc_inst_id; p_rpt->char_inst_id = inst_id; p_rpt->uuid = rpt_uuid; /* assign report type */ for (i = 0; i < BTA_LE_HID_RTP_UUID_MAX; i++) { if (bta_hh_uuid_to_rtp_type[i][0] == rpt_uuid) { p_rpt->rpt_type = (tBTA_HH_RPT_TYPE)bta_hh_uuid_to_rtp_type[i][1]; if (rpt_uuid == GATT_UUID_HID_BT_KB_INPUT || rpt_uuid == GATT_UUID_HID_BT_KB_OUTPUT) p_rpt->rpt_id = BTA_HH_KEYBD_RPT_ID; if (rpt_uuid == GATT_UUID_HID_BT_MOUSE_INPUT) p_rpt->rpt_id = BTA_HH_MOUSE_RPT_ID; break; } } } return p_rpt; } } return NULL; } static const gatt::Descriptor* find_descriptor_by_short_uuid( uint16_t conn_id, uint16_t char_handle, uint16_t short_uuid) { const gatt::Characteristic* p_char = BTA_GATTC_GetCharacteristic(conn_id, char_handle); if (!p_char) { LOG_WARN(LOG_TAG, "%s No such characteristic: %d", __func__, char_handle); return NULL; } for (const gatt::Descriptor& desc : p_char->descriptors) { if (desc.uuid == Uuid::From16Bit(short_uuid)) return &desc; } return NULL; } /******************************************************************************* * * Function bta_hh_le_read_char_descriptor * * Description read characteristic descriptor * ******************************************************************************/ static tBTA_HH_STATUS bta_hh_le_read_char_descriptor(tBTA_HH_DEV_CB* p_cb, uint16_t char_handle, uint16_t short_uuid, GATT_READ_OP_CB cb, void* cb_data) { const gatt::Descriptor* p_desc = find_descriptor_by_short_uuid(p_cb->conn_id, char_handle, short_uuid); if (!p_desc) return BTA_HH_ERR; BtaGattQueue::ReadDescriptor(p_cb->conn_id, p_desc->handle, cb, cb_data); return BTA_HH_OK; } /******************************************************************************* * * Function bta_hh_le_save_report_ref * * Description save report reference information and move to next one. * * Parameters: * ******************************************************************************/ void bta_hh_le_save_report_ref(tBTA_HH_DEV_CB* p_dev_cb, tBTA_HH_LE_RPT* p_rpt, tGATT_STATUS status, uint8_t* value, uint16_t len) { if (status == GATT_INSUF_AUTHENTICATION) { /* close connection right away */ p_dev_cb->status = BTA_HH_ERR_AUTH_FAILED; /* close the connection and report service discovery complete with error */ bta_hh_le_api_disc_act(p_dev_cb); return; } /* if the length of the descriptor value is right, parse it */ if (status == GATT_SUCCESS && len == 2) { uint8_t* pp = value; STREAM_TO_UINT8(p_rpt->rpt_id, pp); STREAM_TO_UINT8(p_rpt->rpt_type, pp); if (p_rpt->rpt_type > BTA_HH_RPTT_FEATURE) /* invalid report type */ p_rpt->rpt_type = BTA_HH_RPTT_RESRV; #if (BTA_HH_DEBUG == TRUE) APPL_TRACE_DEBUG("%s: report ID: %d", __func__, p_rpt->rpt_id); #endif tBTA_HH_RPT_CACHE_ENTRY rpt_entry; rpt_entry.rpt_id = p_rpt->rpt_id; rpt_entry.rpt_type = p_rpt->rpt_type; rpt_entry.rpt_uuid = p_rpt->uuid; rpt_entry.srvc_inst_id = p_rpt->srvc_inst_id; rpt_entry.char_inst_id = p_rpt->char_inst_id; bta_hh_le_co_rpt_info(p_dev_cb->addr, &rpt_entry, p_dev_cb->app_id); } if (p_rpt->index < BTA_HH_LE_RPT_MAX - 1) p_rpt++; else p_rpt = NULL; } /******************************************************************************* * * Function bta_hh_le_register_input_notif * * Description Register for all notifications for the report applicable * for the protocol mode. * * Parameters: * ******************************************************************************/ void bta_hh_le_register_input_notif(tBTA_HH_DEV_CB* p_dev_cb, uint8_t proto_mode, bool register_ba) { tBTA_HH_LE_RPT* p_rpt = &p_dev_cb->hid_srvc.report[0]; #if (BTA_HH_DEBUG == TRUE) APPL_TRACE_DEBUG("%s: bta_hh_le_register_input_notif mode: %d", __func__, proto_mode); #endif for (int i = 0; i < BTA_HH_LE_RPT_MAX; i++, p_rpt++) { if (p_rpt->rpt_type == BTA_HH_RPTT_INPUT) { if (register_ba && p_rpt->uuid == GATT_UUID_BATTERY_LEVEL) { BTA_GATTC_RegisterForNotifications(bta_hh_cb.gatt_if, p_dev_cb->addr, p_rpt->char_inst_id); } /* boot mode, deregister report input notification */ else if (proto_mode == BTA_HH_PROTO_BOOT_MODE) { if (p_rpt->uuid == GATT_UUID_HID_REPORT && p_rpt->client_cfg_value == GATT_CLT_CONFIG_NOTIFICATION) { APPL_TRACE_DEBUG("%s ---> Deregister Report ID: %d", __func__, p_rpt->rpt_id); BTA_GATTC_DeregisterForNotifications( bta_hh_cb.gatt_if, p_dev_cb->addr, p_rpt->char_inst_id); } /* register boot reports notification */ else if (p_rpt->uuid == GATT_UUID_HID_BT_KB_INPUT || p_rpt->uuid == GATT_UUID_HID_BT_MOUSE_INPUT) { APPL_TRACE_DEBUG("%s <--- Register Boot Report ID: %d", __func__, p_rpt->rpt_id); BTA_GATTC_RegisterForNotifications(bta_hh_cb.gatt_if, p_dev_cb->addr, p_rpt->char_inst_id); } } else if (proto_mode == BTA_HH_PROTO_RPT_MODE) { if ((p_rpt->uuid == GATT_UUID_HID_BT_KB_INPUT || p_rpt->uuid == GATT_UUID_HID_BT_MOUSE_INPUT) && p_rpt->client_cfg_value == GATT_CLT_CONFIG_NOTIFICATION) { APPL_TRACE_DEBUG("%s ---> Deregister Boot Report ID: %d", __func__, p_rpt->rpt_id); BTA_GATTC_DeregisterForNotifications( bta_hh_cb.gatt_if, p_dev_cb->addr, p_rpt->char_inst_id); } else if (p_rpt->uuid == GATT_UUID_HID_REPORT && p_rpt->client_cfg_value == GATT_CLT_CONFIG_NOTIFICATION) { APPL_TRACE_DEBUG("%s <--- Register Report ID: %d", __func__, p_rpt->rpt_id); BTA_GATTC_RegisterForNotifications(bta_hh_cb.gatt_if, p_dev_cb->addr, p_rpt->char_inst_id); } } /* else unknow protocol mode */ } } } /******************************************************************************* * * Function bta_hh_le_deregister_input_notif * * Description Deregister all notifications * ******************************************************************************/ void bta_hh_le_deregister_input_notif(tBTA_HH_DEV_CB* p_dev_cb) { tBTA_HH_LE_RPT* p_rpt = &p_dev_cb->hid_srvc.report[0]; for (uint8_t i = 0; i < BTA_HH_LE_RPT_MAX; i++, p_rpt++) { if (p_rpt->rpt_type == BTA_HH_RPTT_INPUT) { if (p_rpt->uuid == GATT_UUID_HID_REPORT && p_rpt->client_cfg_value == GATT_CLT_CONFIG_NOTIFICATION) { APPL_TRACE_DEBUG("%s ---> Deregister Report ID: %d", __func__, p_rpt->rpt_id); BTA_GATTC_DeregisterForNotifications(bta_hh_cb.gatt_if, p_dev_cb->addr, p_rpt->char_inst_id); } else if ((p_rpt->uuid == GATT_UUID_HID_BT_KB_INPUT || p_rpt->uuid == GATT_UUID_HID_BT_MOUSE_INPUT) && p_rpt->client_cfg_value == GATT_CLT_CONFIG_NOTIFICATION) { APPL_TRACE_DEBUG("%s ---> Deregister Boot Report ID: %d", __func__, p_rpt->rpt_id); BTA_GATTC_DeregisterForNotifications(bta_hh_cb.gatt_if, p_dev_cb->addr, p_rpt->char_inst_id); } } } } /******************************************************************************* * * Function bta_hh_le_open_cmpl * * Description HID over GATT connection sucessfully opened * ******************************************************************************/ void bta_hh_le_open_cmpl(tBTA_HH_DEV_CB* p_cb) { if (p_cb->disc_active == BTA_HH_LE_DISC_NONE) { #if (BTA_HH_DEBUG == TRUE) bta_hh_le_hid_report_dbg(p_cb); #endif bta_hh_le_register_input_notif(p_cb, p_cb->mode, true); bta_hh_sm_execute(p_cb, BTA_HH_OPEN_CMPL_EVT, NULL); #if (BTA_HH_LE_RECONN == TRUE) if (p_cb->status == BTA_HH_OK) { bta_hh_le_add_dev_bg_conn(p_cb, true); } #endif } } /******************************************************************************* * * Function bta_hh_le_write_ccc * * Description Utility function to find and write client configuration of * a characteristic * ******************************************************************************/ bool bta_hh_le_write_ccc(tBTA_HH_DEV_CB* p_cb, uint8_t char_handle, uint16_t clt_cfg_value, GATT_WRITE_OP_CB cb, void* cb_data) { const gatt::Descriptor* p_desc = find_descriptor_by_short_uuid( p_cb->conn_id, char_handle, GATT_UUID_CHAR_CLIENT_CONFIG); if (!p_desc) return false; vector value(2); uint8_t* ptr = value.data(); UINT16_TO_STREAM(ptr, clt_cfg_value); BtaGattQueue::WriteDescriptor(p_cb->conn_id, p_desc->handle, std::move(value), GATT_WRITE, cb, cb_data); return true; } bool bta_hh_le_write_rpt_clt_cfg(tBTA_HH_DEV_CB* p_cb); static void write_rpt_ctl_cfg_cb(uint16_t conn_id, tGATT_STATUS status, uint16_t handle, void* data) { uint8_t srvc_inst_id, hid_inst_id; tBTA_HH_DEV_CB* p_dev_cb = (tBTA_HH_DEV_CB*)data; const gatt::Characteristic* characteristic = BTA_GATTC_GetOwningCharacteristic(conn_id, handle); uint16_t char_uuid = characteristic->uuid.As16Bit(); srvc_inst_id = BTA_GATTC_GetOwningService(conn_id, handle)->handle; hid_inst_id = srvc_inst_id; switch (char_uuid) { case GATT_UUID_BATTERY_LEVEL: /* battery level clt cfg registered */ hid_inst_id = bta_hh_le_find_service_inst_by_battery_inst_id( p_dev_cb, srvc_inst_id); FALLTHROUGH_INTENDED; /* FALLTHROUGH */ case GATT_UUID_HID_BT_KB_INPUT: case GATT_UUID_HID_BT_MOUSE_INPUT: case GATT_UUID_HID_REPORT: if (status == GATT_SUCCESS) p_dev_cb->hid_srvc.report[p_dev_cb->clt_cfg_idx].client_cfg_value = GATT_CLT_CONFIG_NOTIFICATION; p_dev_cb->clt_cfg_idx++; bta_hh_le_write_rpt_clt_cfg(p_dev_cb); break; default: APPL_TRACE_ERROR("Unknown char ID clt cfg: 0x%04x", char_uuid); } } /******************************************************************************* * * Function bta_hh_le_write_rpt_clt_cfg * * Description write client configuration. This is only for input report * enable all input notification upon connection open. * ******************************************************************************/ bool bta_hh_le_write_rpt_clt_cfg(tBTA_HH_DEV_CB* p_cb) { uint8_t i; tBTA_HH_LE_RPT* p_rpt = &p_cb->hid_srvc.report[p_cb->clt_cfg_idx]; for (i = p_cb->clt_cfg_idx; i < BTA_HH_LE_RPT_MAX && p_rpt->in_use; i++, p_rpt++) { /* enable notification for all input report, regardless mode */ if (p_rpt->rpt_type == BTA_HH_RPTT_INPUT) { if (bta_hh_le_write_ccc(p_cb, p_rpt->char_inst_id, GATT_CLT_CONFIG_NOTIFICATION, write_rpt_ctl_cfg_cb, p_cb)) { p_cb->clt_cfg_idx = i; return true; } } } p_cb->clt_cfg_idx = 0; /* client configuration is completed, send open callback */ if (p_cb->state == BTA_HH_W4_CONN_ST) { p_cb->disc_active &= ~BTA_HH_LE_DISC_HIDS; bta_hh_le_open_cmpl(p_cb); } return false; } static void write_proto_mode_cb(uint16_t conn_id, tGATT_STATUS status, uint16_t handle, void* data) { tBTA_HH_DEV_CB* p_dev_cb = (tBTA_HH_DEV_CB*)data; if (p_dev_cb->state == BTA_HH_CONN_ST) { /* Set protocol finished in CONN state*/ uint16_t cb_evt = p_dev_cb->w4_evt; if (cb_evt == 0) return; tBTA_HH_CBDATA cback_data; cback_data.handle = p_dev_cb->hid_handle; cback_data.status = (status == GATT_SUCCESS) ? BTA_HH_OK : BTA_HH_ERR; if (status == GATT_SUCCESS) bta_hh_le_register_input_notif(p_dev_cb, p_dev_cb->mode, false); p_dev_cb->w4_evt = 0; (*bta_hh_cb.p_cback)(cb_evt, (tBTA_HH*)&cback_data); } else if (p_dev_cb->state == BTA_HH_W4_CONN_ST) { p_dev_cb->status = (status == GATT_SUCCESS) ? BTA_HH_OK : BTA_HH_ERR_PROTO; if ((p_dev_cb->disc_active & BTA_HH_LE_DISC_HIDS) == 0) bta_hh_le_open_cmpl(p_dev_cb); } } /******************************************************************************* * * Function bta_hh_le_set_protocol_mode * * Description Set remote device protocol mode. * ******************************************************************************/ bool bta_hh_le_set_protocol_mode(tBTA_HH_DEV_CB* p_cb, tBTA_HH_PROTO_MODE mode) { tBTA_HH_CBDATA cback_data; APPL_TRACE_DEBUG("%s attempt mode: %s", __func__, (mode == BTA_HH_PROTO_RPT_MODE) ? "Report" : "Boot"); cback_data.handle = p_cb->hid_handle; /* boot mode is not supported in the remote device */ if (p_cb->hid_srvc.proto_mode_handle == 0) { p_cb->mode = BTA_HH_PROTO_RPT_MODE; if (mode == BTA_HH_PROTO_BOOT_MODE) { APPL_TRACE_ERROR("Set Boot Mode failed!! No PROTO_MODE Char!"); cback_data.status = BTA_HH_ERR; } else { /* if set to report mode, need to de-register all input report * notification */ bta_hh_le_register_input_notif(p_cb, p_cb->mode, false); cback_data.status = BTA_HH_OK; } if (p_cb->state == BTA_HH_W4_CONN_ST) { p_cb->status = (cback_data.status == BTA_HH_OK) ? BTA_HH_OK : BTA_HH_ERR_PROTO; } else (*bta_hh_cb.p_cback)(BTA_HH_SET_PROTO_EVT, (tBTA_HH*)&cback_data); } else if (p_cb->mode != mode) { p_cb->mode = mode; mode = (mode == BTA_HH_PROTO_BOOT_MODE) ? BTA_HH_LE_PROTO_BOOT_MODE : BTA_HH_LE_PROTO_REPORT_MODE; BtaGattQueue::WriteCharacteristic( p_cb->conn_id, p_cb->hid_srvc.proto_mode_handle, {mode}, GATT_WRITE_NO_RSP, write_proto_mode_cb, p_cb); return true; } return false; } /******************************************************************************* * Function get_protocol_mode_cb * * Description Process the Read protocol mode, send GET_PROTO_EVT to * application with the protocol mode. * ******************************************************************************/ static void get_protocol_mode_cb(uint16_t conn_id, tGATT_STATUS status, uint16_t handle, uint16_t len, uint8_t* value, void* data) { tBTA_HH_DEV_CB* p_dev_cb = (tBTA_HH_DEV_CB*)data; tBTA_HH_HSDATA hs_data; hs_data.status = BTA_HH_ERR; hs_data.handle = p_dev_cb->hid_handle; hs_data.rsp_data.proto_mode = p_dev_cb->mode; if (status == GATT_SUCCESS && len) { hs_data.status = BTA_HH_OK; /* match up BTE/BTA report/boot mode def*/ hs_data.rsp_data.proto_mode = *(value); /* LE repot mode is the opposite value of BR/EDR report mode, flip it here */ if (hs_data.rsp_data.proto_mode == 0) hs_data.rsp_data.proto_mode = BTA_HH_PROTO_BOOT_MODE; else hs_data.rsp_data.proto_mode = BTA_HH_PROTO_RPT_MODE; p_dev_cb->mode = hs_data.rsp_data.proto_mode; } #if (BTA_HH_DEBUG == TRUE) APPL_TRACE_DEBUG("LE GET_PROTOCOL Mode = [%s]", (hs_data.rsp_data.proto_mode == BTA_HH_PROTO_RPT_MODE) ? "Report" : "Boot"); #endif p_dev_cb->w4_evt = 0; (*bta_hh_cb.p_cback)(BTA_HH_GET_PROTO_EVT, (tBTA_HH*)&hs_data); } /******************************************************************************* * * Function bta_hh_le_get_protocol_mode * * Description Get remote device protocol mode. * ******************************************************************************/ void bta_hh_le_get_protocol_mode(tBTA_HH_DEV_CB* p_cb) { tBTA_HH_HSDATA hs_data; p_cb->w4_evt = BTA_HH_GET_PROTO_EVT; if (p_cb->hid_srvc.in_use && p_cb->hid_srvc.proto_mode_handle != 0) { BtaGattQueue::ReadCharacteristic(p_cb->conn_id, p_cb->hid_srvc.proto_mode_handle, get_protocol_mode_cb, p_cb); return; } /* no service support protocol_mode, by default report mode */ hs_data.status = BTA_HH_OK; hs_data.handle = p_cb->hid_handle; hs_data.rsp_data.proto_mode = BTA_HH_PROTO_RPT_MODE; p_cb->w4_evt = 0; (*bta_hh_cb.p_cback)(BTA_HH_GET_PROTO_EVT, (tBTA_HH*)&hs_data); } /******************************************************************************* * * Function bta_hh_le_dis_cback * * Description DIS read complete callback * * Parameters: * ******************************************************************************/ void bta_hh_le_dis_cback(const RawAddress& addr, tDIS_VALUE* p_dis_value) { tBTA_HH_DEV_CB* p_cb = bta_hh_le_find_dev_cb_by_bda(addr); if (p_cb == NULL || p_dis_value == NULL) { APPL_TRACE_ERROR("received unexpected/error DIS callback"); return; } p_cb->disc_active &= ~BTA_HH_LE_DISC_DIS; /* plug in the PnP info for this device */ if (p_dis_value->attr_mask & DIS_ATTR_PNP_ID_BIT) { #if (BTA_HH_DEBUG == TRUE) APPL_TRACE_DEBUG( "Plug in PnP info: product_id = %02x, vendor_id = %04x, version = %04x", p_dis_value->pnp_id.product_id, p_dis_value->pnp_id.vendor_id, p_dis_value->pnp_id.product_version); #endif p_cb->dscp_info.product_id = p_dis_value->pnp_id.product_id; p_cb->dscp_info.vendor_id = p_dis_value->pnp_id.vendor_id; p_cb->dscp_info.version = p_dis_value->pnp_id.product_version; } bta_hh_le_open_cmpl(p_cb); } /******************************************************************************* * * Function bta_hh_le_pri_service_discovery * * Description Initialize GATT discovery on the remote LE HID device by * opening a GATT connection first. * * Parameters: * ******************************************************************************/ void bta_hh_le_pri_service_discovery(tBTA_HH_DEV_CB* p_cb) { bta_hh_le_co_reset_rpt_cache(p_cb->addr, p_cb->app_id); p_cb->disc_active |= (BTA_HH_LE_DISC_HIDS | BTA_HH_LE_DISC_DIS); /* read DIS info */ if (!DIS_ReadDISInfo(p_cb->addr, bta_hh_le_dis_cback, DIS_ATTR_PNP_ID_BIT)) { APPL_TRACE_ERROR("read DIS failed"); p_cb->disc_active &= ~BTA_HH_LE_DISC_DIS; } /* in parallel */ /* start primary service discovery for HID service */ Uuid pri_srvc = Uuid::From16Bit(UUID_SERVCLASS_LE_HID); BTA_GATTC_ServiceSearchRequest(p_cb->conn_id, &pri_srvc); return; } /******************************************************************************* * * Function bta_hh_le_encrypt_cback * * Description link encryption complete callback for bond verification. * * Returns None * ******************************************************************************/ void bta_hh_le_encrypt_cback(const RawAddress* bd_addr, UNUSED_ATTR tGATT_TRANSPORT transport, UNUSED_ATTR void* p_ref_data, tBTM_STATUS result) { uint8_t idx = bta_hh_find_cb(*bd_addr); tBTA_HH_DEV_CB* p_dev_cb; if (idx != BTA_HH_IDX_INVALID) p_dev_cb = &bta_hh_cb.kdev[idx]; else { APPL_TRACE_ERROR("unexpected encryption callback, ignore"); return; } p_dev_cb->status = (result == BTM_SUCCESS) ? BTA_HH_OK : BTA_HH_ERR_SEC; p_dev_cb->reason = result; bta_hh_sm_execute(p_dev_cb, BTA_HH_ENC_CMPL_EVT, NULL); } /******************************************************************************* * * Function bta_hh_security_cmpl * * Description Security check completed, start the service discovery * if no cache available, otherwise report connection open * completed * * Parameters: * ******************************************************************************/ void bta_hh_security_cmpl(tBTA_HH_DEV_CB* p_cb, UNUSED_ATTR tBTA_HH_DATA* p_buf) { APPL_TRACE_DEBUG("%s", __func__); if (p_cb->status == BTA_HH_OK) { if (!p_cb->hid_srvc.in_use) { APPL_TRACE_DEBUG("bta_hh_security_cmpl no reports loaded, try to load"); /* start loading the cache if not in stack */ // TODO(jpawlowski): cache storage is broken, fix it // tBTA_HH_RPT_CACHE_ENTRY *p_rpt_cache; // uint8_t num_rpt = 0; // if ((p_rpt_cache = bta_hh_le_co_cache_load(p_cb->addr, &num_rpt, // p_cb->app_id)) != NULL) // { // bta_hh_process_cache_rpt(p_cb, p_rpt_cache, num_rpt); // } } /* discovery has been done for HID service */ if (p_cb->app_id != 0 && p_cb->hid_srvc.in_use) { APPL_TRACE_DEBUG("%s: discovery has been done for HID service", __func__); /* configure protocol mode */ if (!bta_hh_le_set_protocol_mode(p_cb, p_cb->mode)) { bta_hh_le_open_cmpl(p_cb); } } /* start primary service discovery for HID service */ else { APPL_TRACE_DEBUG("%s: Starting service discovery", __func__); bta_hh_le_pri_service_discovery(p_cb); } } else { APPL_TRACE_ERROR("%s() - encryption failed; status=0x%04x, reason=0x%04x", __func__, p_cb->status, p_cb->reason); if (!(p_cb->status == BTA_HH_ERR_SEC && p_cb->reason == BTM_ERR_PROCESSING)) bta_hh_le_api_disc_act(p_cb); } } /******************************************************************************* * * Function bta_hh_le_notify_enc_cmpl * * Description process GATT encryption complete event * * Returns * ******************************************************************************/ void bta_hh_le_notify_enc_cmpl(tBTA_HH_DEV_CB* p_cb, tBTA_HH_DATA* p_buf) { if (p_cb == NULL || !p_cb->security_pending || p_buf == NULL || p_buf->le_enc_cmpl.client_if != bta_hh_cb.gatt_if) { return; } p_cb->security_pending = false; bta_hh_start_security(p_cb, NULL); } /******************************************************************************* * * Function bta_hh_clear_service_cache * * Description clear the service cache * * Parameters: * ******************************************************************************/ void bta_hh_clear_service_cache(tBTA_HH_DEV_CB* p_cb) { tBTA_HH_LE_HID_SRVC* p_hid_srvc = &p_cb->hid_srvc; p_cb->app_id = 0; p_cb->dscp_info.descriptor.dsc_list = NULL; osi_free_and_reset((void**)&p_hid_srvc->rpt_map); memset(p_hid_srvc, 0, sizeof(tBTA_HH_LE_HID_SRVC)); } /******************************************************************************* * * Function bta_hh_start_security * * Description start the security check of the established connection * * Parameters: * ******************************************************************************/ void bta_hh_start_security(tBTA_HH_DEV_CB* p_cb, UNUSED_ATTR tBTA_HH_DATA* p_buf) { uint8_t sec_flag = 0; tBTM_SEC_DEV_REC* p_dev_rec; p_dev_rec = btm_find_dev(p_cb->addr); if (p_dev_rec) { if (p_dev_rec->sec_state == BTM_SEC_STATE_ENCRYPTING || p_dev_rec->sec_state == BTM_SEC_STATE_AUTHENTICATING) { /* if security collision happened, wait for encryption done */ p_cb->security_pending = true; return; } } /* verify bond */ BTM_GetSecurityFlagsByTransport(p_cb->addr, &sec_flag, BT_TRANSPORT_LE); /* if link has been encrypted */ if (sec_flag & BTM_SEC_FLAG_ENCRYPTED) { p_cb->status = BTA_HH_OK; bta_hh_sm_execute(p_cb, BTA_HH_ENC_CMPL_EVT, NULL); } /* if bonded and link not encrypted */ else if (sec_flag & BTM_SEC_FLAG_LKEY_KNOWN) { sec_flag = BTM_BLE_SEC_ENCRYPT; p_cb->status = BTA_HH_ERR_AUTH_FAILED; BTM_SetEncryption(p_cb->addr, BTA_TRANSPORT_LE, bta_hh_le_encrypt_cback, NULL, sec_flag); } /* unbonded device, report security error here */ else if (p_cb->sec_mask != BTA_SEC_NONE) { sec_flag = BTM_BLE_SEC_ENCRYPT_NO_MITM; p_cb->status = BTA_HH_ERR_AUTH_FAILED; bta_hh_clear_service_cache(p_cb); BTM_SetEncryption(p_cb->addr, BTA_TRANSPORT_LE, bta_hh_le_encrypt_cback, NULL, sec_flag); } /* otherwise let it go through */ else { bta_hh_sm_execute(p_cb, BTA_HH_ENC_CMPL_EVT, NULL); } } /******************************************************************************* * * Function bta_hh_gatt_open * * Description process GATT open event. * * Parameters: * ******************************************************************************/ void bta_hh_gatt_open(tBTA_HH_DEV_CB* p_cb, tBTA_HH_DATA* p_buf) { tBTA_GATTC_OPEN* p_data = &p_buf->le_open; uint8_t* p2; /* if received invalid callback data , ignore it */ if (p_cb == NULL || p_data == NULL) return; p2 = p_data->remote_bda.address; APPL_TRACE_DEBUG( "bta_hh_gatt_open BTA_GATTC_OPEN_EVT bda= [%08x%04x] status =%d", ((p2[0]) << 24) + ((p2[1]) << 16) + ((p2[2]) << 8) + (p2[3]), ((p2[4]) << 8) + p2[5], p_data->status); if (p_data->status == GATT_SUCCESS) { p_cb->hid_handle = bta_hh_le_get_le_dev_hdl(p_cb->index); if (p_cb->hid_handle == BTA_HH_IDX_INVALID) { p_cb->conn_id = p_data->conn_id; bta_hh_le_api_disc_act(p_cb); return; } p_cb->is_le_device = true; p_cb->in_use = true; p_cb->conn_id = p_data->conn_id; bta_hh_cb.le_cb_index[BTA_HH_GET_LE_CB_IDX(p_cb->hid_handle)] = p_cb->index; BtaGattQueue::Clean(p_cb->conn_id); #if (BTA_HH_DEBUG == TRUE) APPL_TRACE_DEBUG("hid_handle = %2x conn_id = %04x cb_index = %d", p_cb->hid_handle, p_cb->conn_id, p_cb->index); #endif bta_hh_sm_execute(p_cb, BTA_HH_START_ENC_EVT, NULL); } else { /* open failure */ tBTA_HH_DATA bta_hh_data; bta_hh_data.status = BTA_HH_ERR; bta_hh_sm_execute(p_cb, BTA_HH_SDP_CMPL_EVT, &bta_hh_data); } } /******************************************************************************* * * Function bta_hh_le_close * * Description This function process the GATT close event and post it as a * BTA HH internal event * * Parameters: * ******************************************************************************/ void bta_hh_le_close(tBTA_GATTC_CLOSE* p_data) { tBTA_HH_DEV_CB* p_dev_cb = bta_hh_le_find_dev_cb_by_bda(p_data->remote_bda); uint16_t sm_event = BTA_HH_GATT_CLOSE_EVT; if (p_dev_cb != NULL) { tBTA_HH_LE_CLOSE* p_buf = (tBTA_HH_LE_CLOSE*)osi_malloc(sizeof(tBTA_HH_LE_CLOSE)); p_buf->hdr.event = sm_event; p_buf->hdr.layer_specific = (uint16_t)p_dev_cb->hid_handle; p_buf->conn_id = p_data->conn_id; p_buf->reason = p_data->reason; p_dev_cb->conn_id = GATT_INVALID_CONN_ID; p_dev_cb->security_pending = false; bta_sys_sendmsg(p_buf); } } /******************************************************************************* * * Function bta_hh_le_gatt_disc_cmpl * * Description Check to see if the remote device is a LE only device * * Parameters: * ******************************************************************************/ void bta_hh_le_gatt_disc_cmpl(tBTA_HH_DEV_CB* p_cb, tBTA_HH_STATUS status) { APPL_TRACE_DEBUG("bta_hh_le_gatt_disc_cmpl "); /* if open sucessful or protocol mode not desired, keep the connection open * but inform app */ if (status == BTA_HH_OK || status == BTA_HH_ERR_PROTO) { /* assign a special APP ID temp, since device type unknown */ p_cb->app_id = BTA_HH_APP_ID_LE; /* set report notification configuration */ p_cb->clt_cfg_idx = 0; bta_hh_le_write_rpt_clt_cfg(p_cb); } else /* error, close the GATT connection */ { /* close GATT connection if it's on */ bta_hh_le_api_disc_act(p_cb); } } static void read_hid_info_cb(uint16_t conn_id, tGATT_STATUS status, uint16_t handle, uint16_t len, uint8_t* value, void* data) { if (status != GATT_SUCCESS) { APPL_TRACE_ERROR("%s: error: %d", __func__, status); return; } if (len != 4) { APPL_TRACE_ERROR("%s: wrong length: %d", __func__, len); return; } tBTA_HH_DEV_CB* p_dev_cb = (tBTA_HH_DEV_CB*)data; uint8_t* pp = value; /* save device information */ STREAM_TO_UINT16(p_dev_cb->dscp_info.version, pp); STREAM_TO_UINT8(p_dev_cb->dscp_info.ctry_code, pp); STREAM_TO_UINT8(p_dev_cb->dscp_info.flag, pp); } static void read_hid_report_map_cb(uint16_t conn_id, tGATT_STATUS status, uint16_t handle, uint16_t len, uint8_t* value, void* data) { if (status != GATT_SUCCESS) { APPL_TRACE_ERROR("%s: error reading characteristic: %d", __func__, status); return; } tBTA_HH_DEV_CB* p_dev_cb = (tBTA_HH_DEV_CB*)data; tBTA_HH_LE_HID_SRVC* p_srvc = &p_dev_cb->hid_srvc; osi_free_and_reset((void**)&p_srvc->rpt_map); if (len > 0) { p_srvc->rpt_map = (uint8_t*)osi_malloc(len); uint8_t* pp = value; STREAM_TO_ARRAY(p_srvc->rpt_map, pp, len); p_srvc->descriptor.dl_len = len; p_srvc->descriptor.dsc_list = p_dev_cb->hid_srvc.rpt_map; } } static void read_ext_rpt_ref_desc_cb(uint16_t conn_id, tGATT_STATUS status, uint16_t handle, uint16_t len, uint8_t* value, void* data) { if (status != GATT_SUCCESS) { APPL_TRACE_ERROR("%s: error: %d", __func__, status); return; } /* if the length of the descriptor value is right, parse it assume it's a 16 * bits UUID */ if (len != Uuid::kNumBytes16) { APPL_TRACE_ERROR("%s: we support only 16bit UUID: %d", __func__, len); return; } tBTA_HH_DEV_CB* p_dev_cb = (tBTA_HH_DEV_CB*)data; uint8_t* pp = value; STREAM_TO_UINT16(p_dev_cb->hid_srvc.ext_rpt_ref, pp); #if (BTA_HH_DEBUG == TRUE) APPL_TRACE_DEBUG("%s: External Report Reference UUID 0x%04x", __func__, p_dev_cb->hid_srvc.ext_rpt_ref); #endif } static void read_report_ref_desc_cb(uint16_t conn_id, tGATT_STATUS status, uint16_t handle, uint16_t len, uint8_t* value, void* data) { if (status != GATT_SUCCESS) { APPL_TRACE_ERROR("%s: error: %d", __func__, status); return; } tBTA_HH_DEV_CB* p_dev_cb = (tBTA_HH_DEV_CB*)data; const gatt::Descriptor* p_desc = BTA_GATTC_GetDescriptor(conn_id, handle); if (!p_desc) { APPL_TRACE_ERROR("%s: error: descriptor is null!", __func__); return; } const gatt::Characteristic* characteristic = BTA_GATTC_GetOwningCharacteristic(conn_id, handle); const gatt::Service* service = BTA_GATTC_GetOwningService(conn_id, characteristic->value_handle); tBTA_HH_LE_RPT* p_rpt; p_rpt = bta_hh_le_find_report_entry(p_dev_cb, service->handle, GATT_UUID_HID_REPORT, characteristic->value_handle); if (p_rpt) bta_hh_le_save_report_ref(p_dev_cb, p_rpt, status, value, len); } void read_pref_conn_params_cb(uint16_t conn_id, tGATT_STATUS status, uint16_t handle, uint16_t len, uint8_t* value, void* data) { if (status != GATT_SUCCESS) { APPL_TRACE_ERROR("%s: error: %d", __func__, status); return; } if (len != 8) { APPL_TRACE_ERROR("%s: we support only 16bit UUID: %d", __func__, len); return; } // TODO(jpawlowski): this should be done by GAP profile, remove when GAP is // fixed. uint8_t* pp = value; uint16_t min_interval, max_interval, latency, timeout; STREAM_TO_UINT16(min_interval, pp); STREAM_TO_UINT16(max_interval, pp); STREAM_TO_UINT16(latency, pp); STREAM_TO_UINT16(timeout, pp); // Make sure both min, and max are bigger than 11.25ms, lower values can // introduce audio issues if A2DP is also active. L2CA_AdjustConnectionIntervals(&min_interval, &max_interval, BTM_BLE_CONN_INT_MIN_LIMIT); // If the device has no preferred connection timeout, use the default. if (timeout == BTM_BLE_CONN_PARAM_UNDEF) timeout = BTM_BLE_CONN_TIMEOUT_DEF; if (min_interval < BTM_BLE_CONN_INT_MIN || min_interval > BTM_BLE_CONN_INT_MAX || max_interval < BTM_BLE_CONN_INT_MIN || max_interval > BTM_BLE_CONN_INT_MAX || latency > BTM_BLE_CONN_LATENCY_MAX || timeout < BTM_BLE_CONN_SUP_TOUT_MIN || timeout > BTM_BLE_CONN_SUP_TOUT_MAX || max_interval < min_interval) { APPL_TRACE_ERROR( "%s: Invalid connection parameters. min=%d, max=%d, latency=%d, " "timeout=%d", __func__, min_interval, max_interval, latency, timeout); return; } tBTA_HH_DEV_CB* p_dev_cb = (tBTA_HH_DEV_CB*)data; if (interop_match_addr(INTEROP_HID_PREF_CONN_SUP_TIMEOUT_3S, (RawAddress*)&p_dev_cb->addr)) { if (timeout < 300) timeout = 300; } BTM_BleSetPrefConnParams(p_dev_cb->addr, min_interval, max_interval, latency, timeout); L2CA_UpdateBleConnParams(p_dev_cb->addr, min_interval, max_interval, latency, timeout); } /******************************************************************************* * * Function bta_hh_le_search_hid_chars * * Description This function discover all characteristics a service and * all descriptors available. * * Parameters: * ******************************************************************************/ static void bta_hh_le_search_hid_chars(tBTA_HH_DEV_CB* p_dev_cb, const gatt::Service* service) { tBTA_HH_LE_RPT* p_rpt; for (const gatt::Characteristic& charac : service->characteristics) { if (!charac.uuid.Is16Bit()) continue; uint16_t uuid16 = charac.uuid.As16Bit(); LOG_DEBUG(LOG_TAG, "%s: %s %s", __func__, bta_hh_uuid_to_str(uuid16), charac.uuid.ToString().c_str()); switch (uuid16) { case GATT_UUID_HID_CONTROL_POINT: p_dev_cb->hid_srvc.control_point_handle = charac.value_handle; break; case GATT_UUID_HID_INFORMATION: /* only one instance per HID service */ BtaGattQueue::ReadCharacteristic(p_dev_cb->conn_id, charac.value_handle, read_hid_info_cb, p_dev_cb); break; case GATT_UUID_HID_REPORT_MAP: /* only one instance per HID service */ BtaGattQueue::ReadCharacteristic(p_dev_cb->conn_id, charac.value_handle, read_hid_report_map_cb, p_dev_cb); /* descriptor is optional */ bta_hh_le_read_char_descriptor(p_dev_cb, charac.value_handle, GATT_UUID_EXT_RPT_REF_DESCR, read_ext_rpt_ref_desc_cb, p_dev_cb); break; case GATT_UUID_HID_REPORT: p_rpt = bta_hh_le_find_alloc_report_entry( p_dev_cb, p_dev_cb->hid_srvc.srvc_inst_id, GATT_UUID_HID_REPORT, charac.value_handle); if (p_rpt == NULL) { APPL_TRACE_ERROR("%s: Add report entry failed !!!", __func__); break; } if (p_rpt->rpt_type != BTA_HH_RPTT_INPUT) break; bta_hh_le_read_char_descriptor(p_dev_cb, charac.value_handle, GATT_UUID_RPT_REF_DESCR, read_report_ref_desc_cb, p_dev_cb); break; /* found boot mode report types */ case GATT_UUID_HID_BT_KB_OUTPUT: case GATT_UUID_HID_BT_MOUSE_INPUT: case GATT_UUID_HID_BT_KB_INPUT: if (bta_hh_le_find_alloc_report_entry(p_dev_cb, service->handle, uuid16, charac.value_handle) == NULL) APPL_TRACE_ERROR("%s: Add report entry failed !!!", __func__); break; default: APPL_TRACE_DEBUG("%s: not processing %s 0x%04d", __func__, bta_hh_uuid_to_str(uuid16), uuid16); } } /* Make sure PROTO_MODE is processed as last */ for (const gatt::Characteristic& charac : service->characteristics) { if (charac.uuid == Uuid::From16Bit(GATT_UUID_HID_PROTO_MODE)) { p_dev_cb->hid_srvc.proto_mode_handle = charac.value_handle; bta_hh_le_set_protocol_mode(p_dev_cb, p_dev_cb->mode); break; } } } /******************************************************************************* * * Function bta_hh_le_srvc_search_cmpl * * Description This function process the GATT service search complete. * * Parameters: * ******************************************************************************/ void bta_hh_le_srvc_search_cmpl(tBTA_GATTC_SEARCH_CMPL* p_data) { tBTA_HH_DEV_CB* p_dev_cb = bta_hh_le_find_dev_cb_by_conn_id(p_data->conn_id); /* service search exception or no HID service is supported on remote */ if (p_dev_cb == NULL) return; if (p_data->status != GATT_SUCCESS) { p_dev_cb->status = BTA_HH_ERR_SDP; /* close the connection and report service discovery complete with error */ bta_hh_le_api_disc_act(p_dev_cb); return; } const std::list* services = BTA_GATTC_GetServices(p_data->conn_id); bool have_hid = false; for (const gatt::Service& service : *services) { if (service.uuid == Uuid::From16Bit(UUID_SERVCLASS_LE_HID) && service.is_primary && !have_hid) { have_hid = true; /* found HID primamry service */ p_dev_cb->hid_srvc.in_use = true; p_dev_cb->hid_srvc.srvc_inst_id = service.handle; p_dev_cb->hid_srvc.proto_mode_handle = 0; p_dev_cb->hid_srvc.control_point_handle = 0; bta_hh_le_search_hid_chars(p_dev_cb, &service); APPL_TRACE_DEBUG("%s: have HID service inst_id= %d", __func__, p_dev_cb->hid_srvc.srvc_inst_id); } else if (service.uuid == Uuid::From16Bit(UUID_SERVCLASS_SCAN_PARAM)) { p_dev_cb->scan_refresh_char_handle = 0; for (const gatt::Characteristic& charac : service.characteristics) { if (charac.uuid == Uuid::From16Bit(GATT_UUID_SCAN_REFRESH)) { p_dev_cb->scan_refresh_char_handle = charac.value_handle; if (charac.properties & GATT_CHAR_PROP_BIT_NOTIFY) p_dev_cb->scps_notify |= BTA_HH_LE_SCPS_NOTIFY_SPT; else p_dev_cb->scps_notify = BTA_HH_LE_SCPS_NOTIFY_NONE; break; } } } else if (service.uuid == Uuid::From16Bit(UUID_SERVCLASS_GAP_SERVER)) { // TODO(jpawlowski): this should be done by GAP profile, remove when GAP // is fixed. for (const gatt::Characteristic& charac : service.characteristics) { if (charac.uuid == Uuid::From16Bit(GATT_UUID_GAP_PREF_CONN_PARAM)) { /* read the char value */ BtaGattQueue::ReadCharacteristic(p_dev_cb->conn_id, charac.value_handle, read_pref_conn_params_cb, p_dev_cb); break; } } } } bta_hh_le_gatt_disc_cmpl(p_dev_cb, p_dev_cb->status); } /******************************************************************************* * * Function bta_hh_le_input_rpt_notify * * Description process the notificaton event, most likely for input report. * * Parameters: * ******************************************************************************/ void bta_hh_le_input_rpt_notify(tBTA_GATTC_NOTIFY* p_data) { tBTA_HH_DEV_CB* p_dev_cb = bta_hh_le_find_dev_cb_by_conn_id(p_data->conn_id); uint8_t app_id; uint8_t* p_buf; tBTA_HH_LE_RPT* p_rpt; if (p_dev_cb == NULL) { APPL_TRACE_ERROR( "%s: notification received from Unknown device, conn_id: 0x%04x", __func__, p_data->conn_id); return; } const gatt::Characteristic* p_char = BTA_GATTC_GetCharacteristic(p_dev_cb->conn_id, p_data->handle); if (p_char == NULL) { APPL_TRACE_ERROR( "%s: notification received for Unknown Characteristic, conn_id: " "0x%04x, handle: 0x%04x", __func__, p_dev_cb->conn_id, p_data->handle); return; } app_id = p_dev_cb->app_id; p_rpt = bta_hh_le_find_report_entry(p_dev_cb, p_dev_cb->hid_srvc.srvc_inst_id, p_char->uuid.As16Bit(), p_char->value_handle); if (p_rpt == NULL) { APPL_TRACE_ERROR( "%s: notification received for Unknown Report, uuid: %s, handle: " "0x%04x", __func__, p_char->uuid.ToString().c_str(), p_char->value_handle); return; } if (p_char->uuid == Uuid::From16Bit(GATT_UUID_HID_BT_MOUSE_INPUT)) app_id = BTA_HH_APP_ID_MI; else if (p_char->uuid == Uuid::From16Bit(GATT_UUID_HID_BT_KB_INPUT)) app_id = BTA_HH_APP_ID_KB; APPL_TRACE_DEBUG("Notification received on report ID: %d", p_rpt->rpt_id); /* need to append report ID to the head of data */ if (p_rpt->rpt_id != 0) { p_buf = (uint8_t*)osi_malloc(p_data->len + 1); p_buf[0] = p_rpt->rpt_id; memcpy(&p_buf[1], p_data->value, p_data->len); ++p_data->len; } else { p_buf = p_data->value; } bta_hh_co_data((uint8_t)p_dev_cb->hid_handle, p_buf, p_data->len, p_dev_cb->mode, 0, /* no sub class*/ p_dev_cb->dscp_info.ctry_code, p_dev_cb->addr, app_id); if (p_buf != p_data->value) osi_free(p_buf); } /******************************************************************************* * * Function bta_hh_gatt_open_fail * * Description action function to process the open fail * * Returns void * ******************************************************************************/ void bta_hh_le_open_fail(tBTA_HH_DEV_CB* p_cb, tBTA_HH_DATA* p_data) { tBTA_HH_CONN conn_dat; /* open failure in the middle of service discovery, clear all services */ if (p_cb->disc_active & BTA_HH_LE_DISC_HIDS) { bta_hh_clear_service_cache(p_cb); } p_cb->disc_active = BTA_HH_LE_DISC_NONE; /* Failure in opening connection or GATT discovery failure */ conn_dat.handle = p_cb->hid_handle; conn_dat.bda = p_cb->addr; conn_dat.le_hid = true; conn_dat.scps_supported = p_cb->scps_supported; if (p_cb->status == BTA_HH_OK) conn_dat.status = (p_data->le_close.reason == GATT_CONN_UNKNOWN) ? p_cb->status : BTA_HH_ERR; else conn_dat.status = p_cb->status; /* Report OPEN fail event */ (*bta_hh_cb.p_cback)(BTA_HH_OPEN_EVT, (tBTA_HH*)&conn_dat); } /******************************************************************************* * * Function bta_hh_gatt_close * * Description action function to process the GATT close int he state * machine. * * Returns void * ******************************************************************************/ void bta_hh_gatt_close(tBTA_HH_DEV_CB* p_cb, tBTA_HH_DATA* p_data) { tBTA_HH_CBDATA disc_dat = {BTA_HH_OK, 0}; /* deregister all notification */ bta_hh_le_deregister_input_notif(p_cb); /* finaliza device driver */ bta_hh_co_close(p_cb->hid_handle, p_cb->app_id); /* update total conn number */ bta_hh_cb.cnt_num--; disc_dat.handle = p_cb->hid_handle; disc_dat.status = p_cb->status; (*bta_hh_cb.p_cback)(BTA_HH_CLOSE_EVT, (tBTA_HH*)&disc_dat); /* if no connection is active and HH disable is signaled, disable service */ if (bta_hh_cb.cnt_num == 0 && bta_hh_cb.w4_disable) { bta_hh_disc_cmpl(); } else { #if (BTA_HH_LE_RECONN == TRUE) if (p_data->le_close.reason == GATT_CONN_TIMEOUT) { bta_hh_le_add_dev_bg_conn(p_cb, false); } #endif } return; } /******************************************************************************* * * Function bta_hh_le_api_disc_act * * Description initaite a Close API to a remote HID device * * Returns void * ******************************************************************************/ void bta_hh_le_api_disc_act(tBTA_HH_DEV_CB* p_cb) { if (p_cb->conn_id != GATT_INVALID_CONN_ID) { BtaGattQueue::Clean(p_cb->conn_id); BTA_GATTC_Close(p_cb->conn_id); /* remove device from background connection if intended to disconnect, do not allow reconnection */ bta_hh_le_remove_dev_bg_conn(p_cb); } } /******************************************************************************* * * Function read_report_cb * * Description Process the Read report complete, send GET_REPORT_EVT to * application with the report data. * * Parameters: * ******************************************************************************/ static void read_report_cb(uint16_t conn_id, tGATT_STATUS status, uint16_t handle, uint16_t len, uint8_t* value, void* data) { const gatt::Characteristic* p_char = BTA_GATTC_GetCharacteristic(conn_id, handle); if (p_char == NULL) return; uint16_t char_uuid = p_char->uuid.As16Bit(); if (char_uuid != GATT_UUID_HID_REPORT && char_uuid != GATT_UUID_HID_BT_KB_INPUT && char_uuid != GATT_UUID_HID_BT_KB_OUTPUT && char_uuid != GATT_UUID_HID_BT_MOUSE_INPUT && char_uuid != GATT_UUID_BATTERY_LEVEL) { APPL_TRACE_ERROR("%s: Unexpected Read UUID: 0x%04x", __func__, char_uuid); return; } tBTA_HH_DEV_CB* p_dev_cb = (tBTA_HH_DEV_CB*)data; if (p_dev_cb->w4_evt != BTA_HH_GET_RPT_EVT) { APPL_TRACE_ERROR("Unexpected READ cmpl, w4_evt = %d", p_dev_cb->w4_evt); return; } /* GET_REPORT */ BT_HDR* p_buf = NULL; tBTA_HH_LE_RPT* p_rpt; tBTA_HH_HSDATA hs_data; uint8_t* pp; memset(&hs_data, 0, sizeof(hs_data)); hs_data.status = BTA_HH_ERR; hs_data.handle = p_dev_cb->hid_handle; if (status == GATT_SUCCESS) { const gatt::Service* p_svc = BTA_GATTC_GetOwningService(conn_id, p_char->value_handle); p_rpt = bta_hh_le_find_report_entry(p_dev_cb, p_svc->handle, char_uuid, p_char->value_handle); if (p_rpt != NULL && len) { p_buf = (BT_HDR*)osi_malloc(sizeof(BT_HDR) + len + 1); /* pack data send to app */ hs_data.status = BTA_HH_OK; p_buf->len = len + 1; p_buf->layer_specific = 0; p_buf->offset = 0; /* attach report ID as the first byte of the report before sending it to * USB HID driver */ pp = (uint8_t*)(p_buf + 1); UINT8_TO_STREAM(pp, p_rpt->rpt_id); memcpy(pp, value, len); hs_data.rsp_data.p_rpt_data = p_buf; } } p_dev_cb->w4_evt = 0; (*bta_hh_cb.p_cback)(BTA_HH_GET_RPT_EVT, (tBTA_HH*)&hs_data); osi_free_and_reset((void**)&p_buf); } /******************************************************************************* * * Function bta_hh_le_get_rpt * * Description GET_REPORT on a LE HID Report * * Returns void * ******************************************************************************/ void bta_hh_le_get_rpt(tBTA_HH_DEV_CB* p_cb, tBTA_HH_RPT_TYPE r_type, uint8_t rpt_id) { tBTA_HH_LE_RPT* p_rpt = bta_hh_le_find_rpt_by_idtype( p_cb->hid_srvc.report, p_cb->mode, r_type, rpt_id); if (p_rpt == NULL) { APPL_TRACE_ERROR("%s: no matching report", __func__); return; } p_cb->w4_evt = BTA_HH_GET_RPT_EVT; BtaGattQueue::ReadCharacteristic(p_cb->conn_id, p_rpt->char_inst_id, read_report_cb, p_cb); } static void write_report_cb(uint16_t conn_id, tGATT_STATUS status, uint16_t handle, void* data) { tBTA_HH_CBDATA cback_data; tBTA_HH_DEV_CB* p_dev_cb = (tBTA_HH_DEV_CB*)data; uint16_t cb_evt = p_dev_cb->w4_evt; if (cb_evt == 0) return; #if (BTA_HH_DEBUG == TRUE) APPL_TRACE_DEBUG("bta_hh_le_write_cmpl w4_evt: %d", p_dev_cb->w4_evt); #endif const gatt::Characteristic* p_char = BTA_GATTC_GetCharacteristic(conn_id, handle); uint16_t uuid = p_char->uuid.As16Bit(); if (uuid != GATT_UUID_HID_REPORT && uuid != GATT_UUID_HID_BT_KB_INPUT && uuid != GATT_UUID_HID_BT_MOUSE_INPUT && uuid != GATT_UUID_HID_BT_KB_OUTPUT) { return; } /* Set Report finished */ cback_data.handle = p_dev_cb->hid_handle; cback_data.status = (status == GATT_SUCCESS) ? BTA_HH_OK : BTA_HH_ERR; p_dev_cb->w4_evt = 0; (*bta_hh_cb.p_cback)(cb_evt, (tBTA_HH*)&cback_data); } /******************************************************************************* * * Function bta_hh_le_write_rpt * * Description SET_REPORT/or DATA output on a LE HID Report * * Returns void * ******************************************************************************/ void bta_hh_le_write_rpt(tBTA_HH_DEV_CB* p_cb, tBTA_HH_RPT_TYPE r_type, BT_HDR* p_buf, uint16_t w4_evt) { tBTA_HH_LE_RPT* p_rpt; uint8_t rpt_id; if (p_buf == NULL || p_buf->len == 0) { APPL_TRACE_ERROR("%s: Illegal data", __func__); return; } /* strip report ID from the data */ uint8_t* vec_start = (uint8_t*)(p_buf + 1) + p_buf->offset; STREAM_TO_UINT8(rpt_id, vec_start); vector value(vec_start, vec_start + p_buf->len - 1); p_rpt = bta_hh_le_find_rpt_by_idtype(p_cb->hid_srvc.report, p_cb->mode, r_type, rpt_id); if (p_rpt == NULL) { APPL_TRACE_ERROR("%s: no matching report", __func__); osi_free(p_buf); return; } p_cb->w4_evt = w4_evt; const gatt::Characteristic* p_char = BTA_GATTC_GetCharacteristic(p_cb->conn_id, p_rpt->char_inst_id); tGATT_WRITE_TYPE write_type = GATT_WRITE; if (p_char && (p_char->properties & GATT_CHAR_PROP_BIT_WRITE_NR)) write_type = GATT_WRITE_NO_RSP; BtaGattQueue::WriteCharacteristic(p_cb->conn_id, p_rpt->char_inst_id, std::move(value), write_type, write_report_cb, p_cb); } /******************************************************************************* * * Function bta_hh_le_suspend * * Description send LE suspend or exit suspend mode to remote device. * * Returns void * ******************************************************************************/ void bta_hh_le_suspend(tBTA_HH_DEV_CB* p_cb, tBTA_HH_TRANS_CTRL_TYPE ctrl_type) { ctrl_type -= BTA_HH_CTRL_SUSPEND; // We don't care about response BtaGattQueue::WriteCharacteristic( p_cb->conn_id, p_cb->hid_srvc.control_point_handle, {(uint8_t)ctrl_type}, GATT_WRITE_NO_RSP, NULL, NULL); } /******************************************************************************* * * Function bta_hh_le_write_dev_act * * Description Write LE device action. can be SET/GET/DATA transaction. * * Returns void * ******************************************************************************/ void bta_hh_le_write_dev_act(tBTA_HH_DEV_CB* p_cb, tBTA_HH_DATA* p_data) { switch (p_data->api_sndcmd.t_type) { case HID_TRANS_SET_PROTOCOL: p_cb->w4_evt = BTA_HH_SET_PROTO_EVT; bta_hh_le_set_protocol_mode(p_cb, p_data->api_sndcmd.param); break; case HID_TRANS_GET_PROTOCOL: bta_hh_le_get_protocol_mode(p_cb); break; case HID_TRANS_GET_REPORT: bta_hh_le_get_rpt(p_cb, p_data->api_sndcmd.param, p_data->api_sndcmd.rpt_id); break; case HID_TRANS_SET_REPORT: bta_hh_le_write_rpt(p_cb, p_data->api_sndcmd.param, p_data->api_sndcmd.p_data, BTA_HH_SET_RPT_EVT); break; case HID_TRANS_DATA: /* output report */ bta_hh_le_write_rpt(p_cb, p_data->api_sndcmd.param, p_data->api_sndcmd.p_data, BTA_HH_DATA_EVT); break; case HID_TRANS_CONTROL: /* no handshake event will be generated */ /* if VC_UNPLUG is issued, set flag */ if (p_data->api_sndcmd.param == BTA_HH_CTRL_SUSPEND || p_data->api_sndcmd.param == BTA_HH_CTRL_EXIT_SUSPEND) { bta_hh_le_suspend(p_cb, p_data->api_sndcmd.param); } break; default: APPL_TRACE_ERROR("%s unsupported transaction for BLE HID device: %d", __func__, p_data->api_sndcmd.t_type); break; } } /******************************************************************************* * * Function bta_hh_le_get_dscp_act * * Description Send ReportDescriptor to application for all HID services. * * Returns void * ******************************************************************************/ void bta_hh_le_get_dscp_act(tBTA_HH_DEV_CB* p_cb) { if (p_cb->hid_srvc.in_use) { p_cb->dscp_info.descriptor.dl_len = p_cb->hid_srvc.descriptor.dl_len; p_cb->dscp_info.descriptor.dsc_list = p_cb->hid_srvc.descriptor.dsc_list; (*bta_hh_cb.p_cback)(BTA_HH_GET_DSCP_EVT, (tBTA_HH*)&p_cb->dscp_info); } } /******************************************************************************* * * Function bta_hh_le_add_dev_bg_conn * * Description Remove a LE HID device from back ground connection * procedure. * * Returns void * ******************************************************************************/ static void bta_hh_le_add_dev_bg_conn(tBTA_HH_DEV_CB* p_cb, bool check_bond) { uint8_t sec_flag = 0; bool to_add = true; if (check_bond) { /* start reconnection if remote is a bonded device */ /* verify bond */ BTM_GetSecurityFlagsByTransport(p_cb->addr, &sec_flag, BT_TRANSPORT_LE); if ((sec_flag & BTM_SEC_FLAG_LKEY_KNOWN) == 0) to_add = false; } if (/*p_cb->dscp_info.flag & BTA_HH_LE_NORMAL_CONN &&*/ !p_cb->in_bg_conn && to_add) { /* add device into BG connection to accept remote initiated connection */ BTA_GATTC_Open(bta_hh_cb.gatt_if, p_cb->addr, false, GATT_TRANSPORT_LE, false); p_cb->in_bg_conn = true; } return; } /******************************************************************************* * * Function bta_hh_le_add_device * * Description Add a LE HID device as a known device, and also add the * address * into back ground connection WL for incoming connection. * * Returns void * ******************************************************************************/ uint8_t bta_hh_le_add_device(tBTA_HH_DEV_CB* p_cb, tBTA_HH_MAINT_DEV* p_dev_info) { p_cb->hid_handle = bta_hh_le_get_le_dev_hdl(p_cb->index); if (p_cb->hid_handle == BTA_HH_INVALID_HANDLE) return BTA_HH_INVALID_HANDLE; bta_hh_cb.le_cb_index[BTA_HH_GET_LE_CB_IDX(p_cb->hid_handle)] = p_cb->index; /* update DI information */ bta_hh_update_di_info( p_cb, p_dev_info->dscp_info.vendor_id, p_dev_info->dscp_info.product_id, p_dev_info->dscp_info.version, p_dev_info->dscp_info.flag); /* add to BTA device list */ bta_hh_add_device_to_list( p_cb, p_cb->hid_handle, p_dev_info->attr_mask, &p_dev_info->dscp_info.descriptor, p_dev_info->sub_class, p_dev_info->dscp_info.ssr_max_latency, p_dev_info->dscp_info.ssr_min_tout, p_dev_info->app_id); bta_hh_le_add_dev_bg_conn(p_cb, false); return p_cb->hid_handle; } /******************************************************************************* * * Function bta_hh_le_remove_dev_bg_conn * * Description Remove a LE HID device from back ground connection * procedure. * * Returns void * ******************************************************************************/ void bta_hh_le_remove_dev_bg_conn(tBTA_HH_DEV_CB* p_dev_cb) { if (p_dev_cb->in_bg_conn) { p_dev_cb->in_bg_conn = false; BTA_GATTC_CancelOpen(bta_hh_cb.gatt_if, p_dev_cb->addr, false); } /* deregister all notifications */ bta_hh_le_deregister_input_notif(p_dev_cb); } /******************************************************************************* * * Function bta_hh_gattc_callback * * Description This is GATT client callback function used in BTA HH. * * Parameters: * ******************************************************************************/ static void bta_hh_gattc_callback(tBTA_GATTC_EVT event, tBTA_GATTC* p_data) { tBTA_HH_DEV_CB* p_dev_cb; #if (BTA_HH_DEBUG == TRUE) APPL_TRACE_DEBUG("bta_hh_gattc_callback event = %d", event); #endif if (p_data == NULL) return; switch (event) { case BTA_GATTC_DEREG_EVT: /* 1 */ bta_hh_cleanup_disable(p_data->reg_oper.status); break; case BTA_GATTC_OPEN_EVT: /* 2 */ p_dev_cb = bta_hh_le_find_dev_cb_by_bda(p_data->open.remote_bda); if (p_dev_cb) { bta_hh_sm_execute(p_dev_cb, BTA_HH_GATT_OPEN_EVT, (tBTA_HH_DATA*)&p_data->open); } break; case BTA_GATTC_CLOSE_EVT: /* 5 */ bta_hh_le_close(&p_data->close); break; case BTA_GATTC_SEARCH_CMPL_EVT: /* 6 */ bta_hh_le_srvc_search_cmpl(&p_data->search_cmpl); break; case BTA_GATTC_NOTIF_EVT: /* 10 */ bta_hh_le_input_rpt_notify(&p_data->notify); break; case BTA_GATTC_ENC_CMPL_CB_EVT: /* 17 */ p_dev_cb = bta_hh_le_find_dev_cb_by_bda(p_data->enc_cmpl.remote_bda); if (p_dev_cb) { bta_hh_sm_execute(p_dev_cb, BTA_HH_GATT_ENC_CMPL_EVT, (tBTA_HH_DATA*)&p_data->enc_cmpl); } break; default: break; } } static void read_report_descriptor_ccc_cb(uint16_t conn_id, tGATT_STATUS status, uint16_t handle, uint16_t len, uint8_t* value, void* data) { tBTA_HH_LE_RPT* p_rpt = (tBTA_HH_LE_RPT*)data; uint8_t* pp = value; STREAM_TO_UINT16(p_rpt->client_cfg_value, pp); APPL_TRACE_DEBUG("Read Client Configuration: 0x%04x", p_rpt->client_cfg_value); } /******************************************************************************* * * Function bta_hh_le_hid_read_rpt_clt_cfg * * Description a test command to read report descriptor client * configuration * * Returns void * ******************************************************************************/ void bta_hh_le_hid_read_rpt_clt_cfg(const RawAddress& bd_addr, uint8_t rpt_id) { tBTA_HH_DEV_CB* p_cb = NULL; tBTA_HH_LE_RPT* p_rpt; uint8_t index = BTA_HH_IDX_INVALID; index = bta_hh_find_cb(bd_addr); if (index == BTA_HH_IDX_INVALID) { APPL_TRACE_ERROR("%s: unknown device", __func__); return; } p_cb = &bta_hh_cb.kdev[index]; p_rpt = bta_hh_le_find_rpt_by_idtype(p_cb->hid_srvc.report, p_cb->mode, BTA_HH_RPTT_INPUT, rpt_id); if (p_rpt == NULL) { APPL_TRACE_ERROR("%s: no matching report", __func__); return; } bta_hh_le_read_char_descriptor(p_cb, p_rpt->char_inst_id, GATT_UUID_CHAR_CLIENT_CONFIG, read_report_descriptor_ccc_cb, p_rpt); return; } /******************************************************************************* * * Function bta_hh_process_cache_rpt * * Description Process the cached reports * * Parameters: * ******************************************************************************/ // TODO(jpawlowski): uncomment when fixed // static void bta_hh_process_cache_rpt (tBTA_HH_DEV_CB *p_cb, // tBTA_HH_RPT_CACHE_ENTRY *p_rpt_cache, // uint8_t num_rpt) // { // uint8_t i = 0; // tBTA_HH_LE_RPT *p_rpt; // if (num_rpt != 0) /* no cache is found */ // { // p_cb->hid_srvc.in_use = true; // /* set the descriptor info */ // p_cb->hid_srvc.descriptor.dl_len = // p_cb->dscp_info.descriptor.dl_len; // p_cb->hid_srvc.descriptor.dsc_list = // p_cb->dscp_info.descriptor.dsc_list; // for (; i srvc_inst_id, // p_rpt_cache->rpt_uuid, // p_rpt_cache->char_inst_id, // p_rpt_cache->prop)) == NULL) // { // APPL_TRACE_ERROR("bta_hh_process_cache_rpt: allocation report // entry failure"); // break; // } // else // { // p_rpt->rpt_type = p_rpt_cache->rpt_type; // p_rpt->rpt_id = p_rpt_cache->rpt_id; // if (p_rpt->uuid == GATT_UUID_HID_BT_KB_INPUT || // p_rpt->uuid == GATT_UUID_HID_BT_MOUSE_INPUT || // (p_rpt->uuid == GATT_UUID_HID_REPORT && p_rpt->rpt_type // == BTA_HH_RPTT_INPUT)) // { // p_rpt->client_cfg_value = // GATT_CLT_CONFIG_NOTIFICATION; // } // } // } // } // } #endif