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2105 lines
72 KiB
2105 lines
72 KiB
/******************************************************************************
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*
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* Copyright 2009-2013 Broadcom Corporation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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******************************************************************************/
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#define LOG_TAG "bt_bta_hh"
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#include <base/bind.h>
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#include <base/callback.h>
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#include <cstdint>
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#include <vector>
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#include "bta/hh/bta_hh_int.h"
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#include "bta/include/bta_gatt_queue.h"
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#include "bta/include/bta_hh_co.h"
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#include "device/include/interop.h"
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#include "main/shim/dumpsys.h"
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#include "osi/include/log.h"
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#include "osi/include/osi.h" // ARRAY_SIZE
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#include "stack/btm/btm_sec.h" // BTM_
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#include "stack/include/btu.h" // post_on_bt_main
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#include "stack/include/l2c_api.h" // L2CA_
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#include "stack/include/srvc_api.h" // tDIS_VALUE
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#include "types/bluetooth/uuid.h"
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#include "types/raw_address.h"
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using bluetooth::Uuid;
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using std::vector;
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namespace {
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#ifndef BTA_HH_LE_RECONN
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constexpr bool kBTA_HH_LE_RECONN = true;
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#else
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constexpr bool kBTA_HH_LE_RECONN = false;
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#endif
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} // namespace
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#define BTA_HH_APP_ID_LE 0xff
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#define BTA_HH_LE_PROTO_BOOT_MODE 0x00
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#define BTA_HH_LE_PROTO_REPORT_MODE 0x01
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#define BTA_LE_HID_RTP_UUID_MAX 5
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static const uint16_t bta_hh_uuid_to_rtp_type[BTA_LE_HID_RTP_UUID_MAX][2] = {
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{GATT_UUID_HID_REPORT, BTA_HH_RPTT_INPUT},
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{GATT_UUID_HID_BT_KB_INPUT, BTA_HH_RPTT_INPUT},
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{GATT_UUID_HID_BT_KB_OUTPUT, BTA_HH_RPTT_OUTPUT},
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{GATT_UUID_HID_BT_MOUSE_INPUT, BTA_HH_RPTT_INPUT},
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{GATT_UUID_BATTERY_LEVEL, BTA_HH_RPTT_INPUT}};
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static void bta_hh_gattc_callback(tBTA_GATTC_EVT event, tBTA_GATTC* p_data);
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static void bta_hh_le_add_dev_bg_conn(tBTA_HH_DEV_CB* p_cb, bool check_bond);
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static void bta_hh_process_cache_rpt(tBTA_HH_DEV_CB* p_cb,
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tBTA_HH_RPT_CACHE_ENTRY* p_rpt_cache,
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uint8_t num_rpt);
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static const char* bta_hh_le_rpt_name[4] = {"UNKNOWN", "INPUT", "OUTPUT",
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"FEATURE"};
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/*******************************************************************************
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*
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* Function bta_hh_le_hid_report_dbg
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*
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* Description debug function to print out all HID report available on
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* remote device.
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*
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* Returns void
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*
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******************************************************************************/
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static void bta_hh_le_hid_report_dbg(tBTA_HH_DEV_CB* p_cb) {
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APPL_TRACE_DEBUG("%s: HID Report DB", __func__);
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if (!p_cb->hid_srvc.in_use) return;
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tBTA_HH_LE_RPT* p_rpt = &p_cb->hid_srvc.report[0];
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for (int j = 0; j < BTA_HH_LE_RPT_MAX; j++, p_rpt++) {
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const char* rpt_name = "Unknown";
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if (!p_rpt->in_use) break;
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if (p_rpt->uuid == GATT_UUID_HID_REPORT) rpt_name = "Report";
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if (p_rpt->uuid == GATT_UUID_HID_BT_KB_INPUT) rpt_name = "Boot KB Input";
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if (p_rpt->uuid == GATT_UUID_HID_BT_KB_OUTPUT) rpt_name = "Boot KB Output";
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if (p_rpt->uuid == GATT_UUID_HID_BT_MOUSE_INPUT) rpt_name = "Boot MI Input";
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APPL_TRACE_DEBUG(
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"\t\t [%s- 0x%04x] [Type: %s], [ReportID: %d] [srvc_inst_id: %d] "
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"[char_inst_id: %d] [Clt_cfg: %d]",
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rpt_name, p_rpt->uuid,
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((p_rpt->rpt_type < 4) ? bta_hh_le_rpt_name[p_rpt->rpt_type]
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: "UNKNOWN"),
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p_rpt->rpt_id, p_rpt->srvc_inst_id, p_rpt->char_inst_id,
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p_rpt->client_cfg_value);
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}
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}
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/*******************************************************************************
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*
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* Function bta_hh_uuid_to_str
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*
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* Description
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*
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* Returns void
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*
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******************************************************************************/
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static const char* bta_hh_uuid_to_str(uint16_t uuid) {
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switch (uuid) {
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case GATT_UUID_HID_INFORMATION:
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return "GATT_UUID_HID_INFORMATION";
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case GATT_UUID_HID_REPORT_MAP:
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return "GATT_UUID_HID_REPORT_MAP";
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case GATT_UUID_HID_CONTROL_POINT:
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return "GATT_UUID_HID_CONTROL_POINT";
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case GATT_UUID_HID_REPORT:
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return "GATT_UUID_HID_REPORT";
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case GATT_UUID_HID_PROTO_MODE:
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return "GATT_UUID_HID_PROTO_MODE";
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case GATT_UUID_HID_BT_KB_INPUT:
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return "GATT_UUID_HID_BT_KB_INPUT";
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case GATT_UUID_HID_BT_KB_OUTPUT:
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return "GATT_UUID_HID_BT_KB_OUTPUT";
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case GATT_UUID_HID_BT_MOUSE_INPUT:
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return "GATT_UUID_HID_BT_MOUSE_INPUT";
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case GATT_UUID_CHAR_CLIENT_CONFIG:
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return "GATT_UUID_CHAR_CLIENT_CONFIG";
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case GATT_UUID_EXT_RPT_REF_DESCR:
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return "GATT_UUID_EXT_RPT_REF_DESCR";
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case GATT_UUID_RPT_REF_DESCR:
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return "GATT_UUID_RPT_REF_DESCR";
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default:
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return "Unknown UUID";
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}
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}
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/*******************************************************************************
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*
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* Function bta_hh_le_enable
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*
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* Description initialize LE HID related functionality
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*
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*
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* Returns void
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*
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******************************************************************************/
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void bta_hh_le_enable(void) {
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uint8_t xx;
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bta_hh_cb.gatt_if = BTA_GATTS_INVALID_IF;
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for (xx = 0; xx < ARRAY_SIZE(bta_hh_cb.le_cb_index); xx++)
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bta_hh_cb.le_cb_index[xx] = BTA_HH_IDX_INVALID;
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BTA_GATTC_AppRegister(bta_hh_gattc_callback,
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base::Bind([](uint8_t client_id, uint8_t r_status) {
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tBTA_HH bta_hh;
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bta_hh.status = BTA_HH_ERR;
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if (r_status == GATT_SUCCESS) {
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bta_hh_cb.gatt_if = client_id;
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bta_hh.status = BTA_HH_OK;
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} else {
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bta_hh_cb.gatt_if = BTA_GATTS_INVALID_IF;
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}
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/* null check is needed in case HID profile is shut
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* down before BTA_GATTC_AppRegister is done */
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if (bta_hh_cb.p_cback) {
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/* signal BTA call back event */
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(*bta_hh_cb.p_cback)(BTA_HH_ENABLE_EVT, &bta_hh);
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}
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}), false);
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}
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/*******************************************************************************
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*
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* Function bta_hh_le_is_hh_gatt_if
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*
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* Description Check to see if client_if is BTA HH LE GATT interface
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*
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*
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* Returns whether it is HH GATT IF
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*
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******************************************************************************/
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bool bta_hh_le_is_hh_gatt_if(tGATT_IF client_if) {
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return (bta_hh_cb.gatt_if == client_if);
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}
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/*******************************************************************************
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*
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* Function bta_hh_le_deregister
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*
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* Description De-register BTA HH from BTA GATTC
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*
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*
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* Returns void
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*
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******************************************************************************/
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void bta_hh_le_deregister(void) { BTA_GATTC_AppDeregister(bta_hh_cb.gatt_if); }
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/******************************************************************************
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*
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* Function bta_hh_le_get_le_cb
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*
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* Description Allocate bta_hh_cb.le_cb_index
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*
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* Parameters:
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*
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******************************************************************************/
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static uint8_t bta_hh_le_get_le_dev_hdl(uint8_t cb_index) {
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uint8_t i;
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for (i = 0; i < ARRAY_SIZE(bta_hh_cb.le_cb_index); i++) {
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if (bta_hh_cb.le_cb_index[i] == cb_index) return BTA_HH_GET_LE_DEV_HDL(i);
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}
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for (i = 0; i < ARRAY_SIZE(bta_hh_cb.le_cb_index); i++) {
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if (bta_hh_cb.le_cb_index[i] == BTA_HH_IDX_INVALID)
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return BTA_HH_GET_LE_DEV_HDL(i);
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}
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return BTA_HH_IDX_INVALID;
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}
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/*******************************************************************************
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*
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* Function bta_hh_le_open_conn
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*
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* Description open a GATT connection first.
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*
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* Parameters:
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*
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******************************************************************************/
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void bta_hh_le_open_conn(tBTA_HH_DEV_CB* p_cb, const RawAddress& remote_bda) {
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tBTA_HH_STATUS status = BTA_HH_ERR_NO_RES;
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/* update cb_index[] map */
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p_cb->hid_handle = bta_hh_le_get_le_dev_hdl(p_cb->index);
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if (p_cb->hid_handle == BTA_HH_IDX_INVALID) {
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bta_hh_sm_execute(p_cb, BTA_HH_SDP_CMPL_EVT, (tBTA_HH_DATA*)&status);
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return;
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}
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p_cb->addr = remote_bda;
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bta_hh_cb.le_cb_index[BTA_HH_GET_LE_CB_IDX(p_cb->hid_handle)] = p_cb->index;
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p_cb->in_use = true;
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BTA_GATTC_Open(bta_hh_cb.gatt_if, remote_bda, true, false);
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}
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/*******************************************************************************
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*
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* Function bta_hh_le_find_dev_cb_by_conn_id
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*
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* Description Utility function find a device control block by connection
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* ID.
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*
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******************************************************************************/
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static tBTA_HH_DEV_CB* bta_hh_le_find_dev_cb_by_conn_id(uint16_t conn_id) {
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uint8_t i;
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tBTA_HH_DEV_CB* p_dev_cb = &bta_hh_cb.kdev[0];
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for (i = 0; i < BTA_HH_MAX_DEVICE; i++, p_dev_cb++) {
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if (p_dev_cb->in_use && p_dev_cb->conn_id == conn_id) return p_dev_cb;
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}
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return NULL;
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}
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/*******************************************************************************
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*
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* Function bta_hh_le_find_dev_cb_by_bda
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*
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* Description Utility function find a device control block by BD address.
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*
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******************************************************************************/
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static tBTA_HH_DEV_CB* bta_hh_le_find_dev_cb_by_bda(const RawAddress& bda) {
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uint8_t i;
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tBTA_HH_DEV_CB* p_dev_cb = &bta_hh_cb.kdev[0];
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for (i = 0; i < BTA_HH_MAX_DEVICE; i++, p_dev_cb++) {
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if (p_dev_cb->in_use && p_dev_cb->addr == bda) return p_dev_cb;
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}
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return NULL;
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}
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/*******************************************************************************
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*
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* Function bta_hh_le_find_service_inst_by_battery_inst_id
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*
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* Description find HID service instance ID by battery service instance ID
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*
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******************************************************************************/
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static uint8_t bta_hh_le_find_service_inst_by_battery_inst_id(
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tBTA_HH_DEV_CB* p_cb, uint8_t ba_inst_id) {
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if (p_cb->hid_srvc.in_use && p_cb->hid_srvc.incl_srvc_inst == ba_inst_id) {
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return p_cb->hid_srvc.srvc_inst_id;
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}
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return BTA_HH_IDX_INVALID;
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}
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/*******************************************************************************
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*
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* Function bta_hh_le_find_report_entry
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*
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* Description find the report entry by service instance and report UUID
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* and instance ID
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*
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******************************************************************************/
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static tBTA_HH_LE_RPT* bta_hh_le_find_report_entry(
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tBTA_HH_DEV_CB* p_cb, uint8_t srvc_inst_id, /* service instance ID */
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uint16_t rpt_uuid, uint16_t char_inst_id) {
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uint8_t i;
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uint8_t hid_inst_id = srvc_inst_id;
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tBTA_HH_LE_RPT* p_rpt;
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if (rpt_uuid == GATT_UUID_BATTERY_LEVEL) {
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hid_inst_id =
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bta_hh_le_find_service_inst_by_battery_inst_id(p_cb, srvc_inst_id);
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if (hid_inst_id == BTA_HH_IDX_INVALID) return NULL;
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}
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p_rpt = &p_cb->hid_srvc.report[0];
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for (i = 0; i < BTA_HH_LE_RPT_MAX; i++, p_rpt++) {
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if (p_rpt->uuid == rpt_uuid && p_rpt->srvc_inst_id == srvc_inst_id &&
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p_rpt->char_inst_id == char_inst_id) {
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return p_rpt;
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}
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}
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return NULL;
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}
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/*******************************************************************************
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*
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* Function bta_hh_le_find_rpt_by_idtype
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*
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* Description find a report entry by report ID and protocol mode
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*
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* Returns void
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*
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******************************************************************************/
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static tBTA_HH_LE_RPT* bta_hh_le_find_rpt_by_idtype(tBTA_HH_LE_RPT* p_head,
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uint8_t mode,
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tBTA_HH_RPT_TYPE r_type,
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uint8_t rpt_id) {
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tBTA_HH_LE_RPT* p_rpt = p_head;
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uint8_t i;
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APPL_TRACE_DEBUG("bta_hh_le_find_rpt_by_idtype: r_type: %d rpt_id: %d",
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r_type, rpt_id);
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for (i = 0; i < BTA_HH_LE_RPT_MAX; i++, p_rpt++) {
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if (p_rpt->in_use && p_rpt->rpt_id == rpt_id && r_type == p_rpt->rpt_type) {
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/* return battery report w/o condition */
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if (p_rpt->uuid == GATT_UUID_BATTERY_LEVEL) return p_rpt;
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if (mode == BTA_HH_PROTO_RPT_MODE && p_rpt->uuid == GATT_UUID_HID_REPORT)
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return p_rpt;
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if (mode == BTA_HH_PROTO_BOOT_MODE &&
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(p_rpt->uuid >= GATT_UUID_HID_BT_KB_INPUT &&
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p_rpt->uuid <= GATT_UUID_HID_BT_MOUSE_INPUT))
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return p_rpt;
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}
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}
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return NULL;
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}
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/*******************************************************************************
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*
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* Function bta_hh_le_find_alloc_report_entry
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*
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* Description find or allocate a report entry in the HID service report
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* list.
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*
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******************************************************************************/
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static tBTA_HH_LE_RPT* bta_hh_le_find_alloc_report_entry(tBTA_HH_DEV_CB* p_cb,
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uint8_t srvc_inst_id,
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uint16_t rpt_uuid,
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uint16_t inst_id) {
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uint8_t i, hid_inst_id = srvc_inst_id;
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tBTA_HH_LE_RPT* p_rpt;
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if (rpt_uuid == GATT_UUID_BATTERY_LEVEL) {
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hid_inst_id =
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bta_hh_le_find_service_inst_by_battery_inst_id(p_cb, srvc_inst_id);
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if (hid_inst_id == BTA_HH_IDX_INVALID) return NULL;
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}
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p_rpt = &p_cb->hid_srvc.report[0];
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for (i = 0; i < BTA_HH_LE_RPT_MAX; i++, p_rpt++) {
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if (!p_rpt->in_use ||
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(p_rpt->uuid == rpt_uuid && p_rpt->srvc_inst_id == srvc_inst_id &&
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p_rpt->char_inst_id == inst_id)) {
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if (!p_rpt->in_use) {
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p_rpt->in_use = true;
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p_rpt->index = i;
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p_rpt->srvc_inst_id = srvc_inst_id;
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p_rpt->char_inst_id = inst_id;
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p_rpt->uuid = rpt_uuid;
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/* assign report type */
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for (i = 0; i < BTA_LE_HID_RTP_UUID_MAX; i++) {
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if (bta_hh_uuid_to_rtp_type[i][0] == rpt_uuid) {
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p_rpt->rpt_type = (tBTA_HH_RPT_TYPE)bta_hh_uuid_to_rtp_type[i][1];
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if (rpt_uuid == GATT_UUID_HID_BT_KB_INPUT ||
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rpt_uuid == GATT_UUID_HID_BT_KB_OUTPUT)
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p_rpt->rpt_id = BTA_HH_KEYBD_RPT_ID;
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if (rpt_uuid == GATT_UUID_HID_BT_MOUSE_INPUT)
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p_rpt->rpt_id = BTA_HH_MOUSE_RPT_ID;
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break;
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}
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}
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}
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return p_rpt;
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}
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}
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return NULL;
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}
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|
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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("%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:
|
|
*
|
|
******************************************************************************/
|
|
static 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;
|
|
|
|
APPL_TRACE_DEBUG("%s: report ID: %d", __func__, p_rpt->rpt_id);
|
|
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:
|
|
*
|
|
******************************************************************************/
|
|
static 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];
|
|
|
|
APPL_TRACE_DEBUG("%s: bta_hh_le_register_input_notif mode: %d", __func__,
|
|
proto_mode);
|
|
|
|
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
|
|
*
|
|
******************************************************************************/
|
|
static 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
|
|
*
|
|
******************************************************************************/
|
|
static void bta_hh_le_open_cmpl(tBTA_HH_DEV_CB* p_cb) {
|
|
if (p_cb->disc_active == BTA_HH_LE_DISC_NONE) {
|
|
bta_hh_le_hid_report_dbg(p_cb);
|
|
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 (kBTA_HH_LE_RECONN && p_cb->status == BTA_HH_OK) {
|
|
bta_hh_le_add_dev_bg_conn(p_cb, true);
|
|
}
|
|
}
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function bta_hh_le_write_ccc
|
|
*
|
|
* Description Utility function to find and write client configuration of
|
|
* a characteristic
|
|
*
|
|
******************************************************************************/
|
|
static bool bta_hh_le_write_ccc(tBTA_HH_DEV_CB* p_cb, uint16_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<uint8_t> 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;
|
|
}
|
|
|
|
static 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.
|
|
*
|
|
******************************************************************************/
|
|
static 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.
|
|
*
|
|
******************************************************************************/
|
|
static 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;
|
|
}
|
|
|
|
APPL_TRACE_DEBUG("LE GET_PROTOCOL Mode = [%s]",
|
|
(hs_data.rsp_data.proto_mode == BTA_HH_PROTO_RPT_MODE)
|
|
? "Report"
|
|
: "Boot");
|
|
|
|
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.
|
|
*
|
|
******************************************************************************/
|
|
static 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:
|
|
*
|
|
******************************************************************************/
|
|
static 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) {
|
|
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);
|
|
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:
|
|
*
|
|
******************************************************************************/
|
|
static 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
|
|
*
|
|
******************************************************************************/
|
|
static void bta_hh_le_encrypt_cback(const RawAddress* bd_addr,
|
|
UNUSED_ATTR tBT_TRANSPORT transport,
|
|
UNUSED_ATTR void* p_ref_data,
|
|
tBTM_STATUS result) {
|
|
tBTA_HH_DEV_CB* p_dev_cb = bta_hh_get_cb(*bd_addr);
|
|
if (p_dev_cb == nullptr) {
|
|
LOG_ERROR("unexpected encryption callback, ignore");
|
|
return;
|
|
}
|
|
|
|
// TODO Collapse the duplicated status values
|
|
p_dev_cb->status = (result == BTM_SUCCESS) ? BTA_HH_OK : BTA_HH_ERR_SEC;
|
|
p_dev_cb->btm_status = 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 const 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 */
|
|
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 {
|
|
LOG_ERROR("Encryption failed status:%s btm_status:%s",
|
|
bta_hh_status_text(p_cb->status).c_str(),
|
|
btm_status_text(p_cb->btm_status).c_str());
|
|
if (!(p_cb->status == BTA_HH_ERR_SEC &&
|
|
p_cb->btm_status == 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,
|
|
const 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:
|
|
*
|
|
******************************************************************************/
|
|
static 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 const tBTA_HH_DATA* p_buf) {
|
|
if (BTM_SecIsSecurityPending(p_cb->addr)) {
|
|
/* if security collision happened, wait for encryption done */
|
|
p_cb->security_pending = true;
|
|
return;
|
|
}
|
|
|
|
/* if link has been encrypted */
|
|
if (BTM_IsEncrypted(p_cb->addr, BT_TRANSPORT_LE)) {
|
|
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 (BTM_IsLinkKeyKnown(p_cb->addr, BT_TRANSPORT_LE)) {
|
|
p_cb->status = BTA_HH_ERR_AUTH_FAILED;
|
|
BTM_SetEncryption(p_cb->addr, BT_TRANSPORT_LE, bta_hh_le_encrypt_cback,
|
|
NULL, BTM_BLE_SEC_ENCRYPT);
|
|
}
|
|
/* unbonded device, report security error here */
|
|
else {
|
|
p_cb->status = BTA_HH_ERR_AUTH_FAILED;
|
|
bta_hh_clear_service_cache(p_cb);
|
|
BTM_SetEncryption(p_cb->addr, BT_TRANSPORT_LE, bta_hh_le_encrypt_cback,
|
|
NULL, BTM_BLE_SEC_ENCRYPT_NO_MITM);
|
|
}
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function bta_hh_gatt_open
|
|
*
|
|
* Description process GATT open event.
|
|
*
|
|
* Parameters:
|
|
*
|
|
******************************************************************************/
|
|
void bta_hh_gatt_open(tBTA_HH_DEV_CB* p_cb, const tBTA_HH_DATA* p_buf) {
|
|
const tBTA_GATTC_OPEN* p_data = &p_buf->le_open;
|
|
const 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);
|
|
|
|
APPL_TRACE_DEBUG("hid_handle = %2x conn_id = %04x cb_index = %d",
|
|
p_cb->hid_handle, p_cb->conn_id, p_cb->index);
|
|
|
|
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 converts the GATT close event and post it as a
|
|
* BTA HH internal event.
|
|
*
|
|
******************************************************************************/
|
|
static void bta_hh_le_close(const tBTA_GATTC_CLOSE& gattc_data) {
|
|
tBTA_HH_DEV_CB* p_cb = bta_hh_le_find_dev_cb_by_bda(gattc_data.remote_bda);
|
|
if (p_cb == nullptr) {
|
|
LOG_WARN("Received close event with unknown device:%s",
|
|
PRIVATE_ADDRESS(gattc_data.remote_bda));
|
|
return;
|
|
}
|
|
p_cb->conn_id = GATT_INVALID_CONN_ID;
|
|
p_cb->security_pending = false;
|
|
|
|
post_on_bt_main([=]() {
|
|
const tBTA_HH_DATA data = {
|
|
.le_close =
|
|
{
|
|
.conn_id = gattc_data.conn_id,
|
|
.reason = gattc_data.reason,
|
|
.hdr =
|
|
{
|
|
.event = BTA_HH_GATT_CLOSE_EVT,
|
|
.layer_specific =
|
|
static_cast<uint16_t>(p_cb->hid_handle),
|
|
},
|
|
},
|
|
};
|
|
bta_hh_sm_execute(p_cb, BTA_HH_GATT_CLOSE_EVT, &data);
|
|
});
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function bta_hh_le_gatt_disc_cmpl
|
|
*
|
|
* Description Check to see if the remote device is a LE only device
|
|
*
|
|
* Parameters:
|
|
*
|
|
******************************************************************************/
|
|
static 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);
|
|
|
|
APPL_TRACE_DEBUG("%s: External Report Reference UUID 0x%04x", __func__,
|
|
p_dev_cb->hid_srvc.ext_rpt_ref);
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
static 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, 0, 0);
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* 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_INFO("%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:
|
|
*
|
|
******************************************************************************/
|
|
static 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<gatt::Service>* 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)) {
|
|
|
|
for (const gatt::Characteristic& charac : service.characteristics) {
|
|
if (charac.uuid == Uuid::From16Bit(GATT_UUID_SCAN_REFRESH)) {
|
|
|
|
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:
|
|
*
|
|
******************************************************************************/
|
|
static 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;
|
|
|
|
const gatt::Service* p_svc =
|
|
BTA_GATTC_GetOwningService(p_dev_cb->conn_id, p_char->value_handle);
|
|
|
|
p_rpt = bta_hh_le_find_report_entry(
|
|
p_dev_cb, p_svc->handle, 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, const 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;
|
|
conn_dat.status = p_cb->status;
|
|
if (p_data->le_close.reason != GATT_CONN_OK) {
|
|
conn_dat.status = BTA_HH_ERR;
|
|
}
|
|
|
|
/* 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 in the state
|
|
* machine.
|
|
*
|
|
* Returns void
|
|
*
|
|
******************************************************************************/
|
|
void bta_hh_gatt_close(tBTA_HH_DEV_CB* p_cb, const tBTA_HH_DATA* p_data) {
|
|
|
|
/* 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--;
|
|
|
|
tBTA_HH_CBDATA disc_dat = {
|
|
.status = p_cb->status,
|
|
.handle = p_cb->hid_handle,
|
|
};
|
|
(*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 (kBTA_HH_LE_RECONN &&
|
|
p_data->le_close.reason == GATT_CONN_TIMEOUT) {
|
|
bta_hh_le_add_dev_bg_conn(p_cb, false);
|
|
}
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* 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) {
|
|
LOG_ERROR("Tried to disconnect HID device with invalid id");
|
|
return;
|
|
}
|
|
|
|
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
|
|
*
|
|
******************************************************************************/
|
|
static 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;
|
|
|
|
APPL_TRACE_DEBUG("bta_hh_le_write_cmpl w4_evt: %d", p_dev_cb->w4_evt);
|
|
|
|
const gatt::Characteristic* p_char =
|
|
BTA_GATTC_GetCharacteristic(conn_id, handle);
|
|
|
|
if (p_char == nullptr) return;
|
|
|
|
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
|
|
*
|
|
******************************************************************************/
|
|
static 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<uint8_t> 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
|
|
*
|
|
******************************************************************************/
|
|
static 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, const 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) {
|
|
bool to_add = true;
|
|
|
|
if (check_bond) {
|
|
/* start reconnection if remote is a bonded device */
|
|
if (!BTM_IsLinkKeyKnown(p_cb->addr, BT_TRANSPORT_LE)) to_add = false;
|
|
}
|
|
|
|
if (!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, 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,
|
|
const 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) {
|
|
LOG_DEBUG("Removing from background connection device:%s",
|
|
PRIVATE_ADDRESS(p_dev_cb->addr));
|
|
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;
|
|
APPL_TRACE_DEBUG("bta_hh_gattc_callback event = %d", event);
|
|
if (p_data == NULL) return;
|
|
|
|
switch (event) {
|
|
case BTA_GATTC_DEREG_EVT: /* 1 */
|
|
bta_hh_cleanup_disable(
|
|
static_cast<tBTA_HH_STATUS>(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;
|
|
}
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function bta_hh_process_cache_rpt
|
|
*
|
|
* Description Process the cached reports
|
|
*
|
|
* Parameters:
|
|
*
|
|
******************************************************************************/
|
|
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 < num_rpt; i++, p_rpt_cache++) {
|
|
if ((p_rpt = bta_hh_le_find_alloc_report_entry(
|
|
p_cb, p_rpt_cache->srvc_inst_id, p_rpt_cache->rpt_uuid,
|
|
p_rpt_cache->char_inst_id)) == 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;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|