| /****************************************************************************** |
| * |
| * Copyright (C) 2009-2012 Broadcom Corporation |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at: |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| ******************************************************************************/ |
| |
| /******************************************************************************* |
| * |
| * Filename: btif_hh.c |
| * |
| * Description: HID Host Profile Bluetooth Interface |
| * |
| * |
| ******************************************************************************/ |
| |
| #define LOG_TAG "bt_btif_hh" |
| |
| #include "btif_hh.h" |
| |
| #include <base/logging.h> |
| #include <errno.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <unistd.h> |
| |
| #include "bt_common.h" |
| #include "bta_api.h" |
| #include "btif_common.h" |
| #include "btif_storage.h" |
| #include "btif_util.h" |
| #include "l2c_api.h" |
| #include "osi/include/log.h" |
| #include "osi/include/osi.h" |
| |
| #define BTIF_HH_APP_ID_MI 0x01 |
| #define BTIF_HH_APP_ID_KB 0x02 |
| |
| #define COD_HID_KEYBOARD 0x0540 |
| #define COD_HID_POINTING 0x0580 |
| #define COD_HID_COMBO 0x05C0 |
| |
| #define KEYSTATE_FILEPATH \ |
| "/data/misc/bluedroid/bt_hh_ks" // keep this in sync with HID host jni |
| |
| #define HID_REPORT_CAPSLOCK 0x39 |
| #define HID_REPORT_NUMLOCK 0x53 |
| #define HID_REPORT_SCROLLLOCK 0x47 |
| |
| // For Apple Magic Mouse |
| #define MAGICMOUSE_VENDOR_ID 0x05ac |
| #define MAGICMOUSE_PRODUCT_ID 0x030d |
| |
| #define LOGITECH_KB_MX5500_VENDOR_ID 0x046D |
| #define LOGITECH_KB_MX5500_PRODUCT_ID 0xB30B |
| |
| extern const int BT_UID; |
| extern const int BT_GID; |
| static int btif_hh_keylockstates = 0; // The current key state of each key |
| |
| #define BTIF_HH_ID_1 0 |
| #define BTIF_HH_DEV_DISCONNECTED 3 |
| |
| #define BTIF_TIMEOUT_VUP_MS (3 * 1000) |
| |
| #ifndef BTUI_HH_SECURITY |
| #define BTUI_HH_SECURITY (BTA_SEC_AUTHENTICATE | BTA_SEC_ENCRYPT) |
| #endif |
| |
| #ifndef BTUI_HH_MOUSE_SECURITY |
| #define BTUI_HH_MOUSE_SECURITY (BTA_SEC_NONE) |
| #endif |
| |
| /* HH request events */ |
| typedef enum { |
| BTIF_HH_CONNECT_REQ_EVT = 0, |
| BTIF_HH_DISCONNECT_REQ_EVT, |
| BTIF_HH_VUP_REQ_EVT |
| } btif_hh_req_evt_t; |
| |
| /******************************************************************************* |
| * Constants & Macros |
| ******************************************************************************/ |
| #define BTIF_HH_SERVICES (BTA_HID_SERVICE_MASK) |
| |
| /******************************************************************************* |
| * Local type definitions |
| ******************************************************************************/ |
| |
| typedef struct hid_kb_list { |
| uint16_t product_id; |
| uint16_t version_id; |
| const char* kb_name; |
| } tHID_KB_LIST; |
| |
| /******************************************************************************* |
| * Static variables |
| ******************************************************************************/ |
| btif_hh_cb_t btif_hh_cb; |
| |
| static bthh_callbacks_t* bt_hh_callbacks = NULL; |
| |
| /* List of HID keyboards for which the NUMLOCK state needs to be |
| * turned ON by default. Add devices to this list to apply the |
| * NUMLOCK state toggle on fpr first connect.*/ |
| static tHID_KB_LIST hid_kb_numlock_on_list[] = {{LOGITECH_KB_MX5500_PRODUCT_ID, |
| LOGITECH_KB_MX5500_VENDOR_ID, |
| "Logitech MX5500 Keyboard"}}; |
| |
| #define CHECK_BTHH_INIT() \ |
| do { \ |
| if (bt_hh_callbacks == NULL) { \ |
| BTIF_TRACE_WARNING("BTHH: %s: BTHH not initialized", __func__); \ |
| return BT_STATUS_NOT_READY; \ |
| } \ |
| } while (0) |
| |
| /******************************************************************************* |
| * Static functions |
| ******************************************************************************/ |
| |
| /******************************************************************************* |
| * Externs |
| ******************************************************************************/ |
| extern void bta_hh_co_destroy(int fd); |
| extern void bta_hh_co_write(int fd, uint8_t* rpt, uint16_t len); |
| extern bt_status_t btif_dm_remove_bond(const RawAddress* bd_addr); |
| extern void bta_hh_co_send_hid_info(btif_hh_device_t* p_dev, |
| const char* dev_name, uint16_t vendor_id, |
| uint16_t product_id, uint16_t version, |
| uint8_t ctry_code, int dscp_len, |
| uint8_t* p_dscp); |
| extern bool check_cod(const RawAddress* remote_bdaddr, uint32_t cod); |
| extern void btif_dm_cb_remove_bond(const RawAddress* bd_addr); |
| extern bool check_cod_hid(const RawAddress* remote_bdaddr); |
| extern int scru_ascii_2_hex(char* p_ascii, int len, uint8_t* p_hex); |
| extern void btif_dm_hh_open_failed(RawAddress* bdaddr); |
| extern void btif_hd_service_registration(); |
| |
| /***************************************************************************** |
| * Local Function prototypes |
| ****************************************************************************/ |
| static void set_keylockstate(int keymask, bool isSet); |
| static void toggle_os_keylockstates(int fd, int changedkeystates); |
| static void sync_lockstate_on_connect(btif_hh_device_t* p_dev); |
| // static void hh_update_keyboard_lockstates(btif_hh_device_t *p_dev); |
| void btif_hh_timer_timeout(void* data); |
| void bte_hh_evt(tBTA_HH_EVT event, tBTA_HH* p_data); |
| |
| /******************************************************************************* |
| * Functions |
| ******************************************************************************/ |
| |
| static int get_keylockstates() { return btif_hh_keylockstates; } |
| |
| static void set_keylockstate(int keymask, bool isSet) { |
| if (isSet) btif_hh_keylockstates |= keymask; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function toggle_os_keylockstates |
| * |
| * Description Function to toggle the keyboard lock states managed by the |
| linux. |
| * This function is used in by two call paths |
| * (1) if the lock state change occurred from an onscreen |
| keyboard, |
| * this function is called to update the lock state maintained |
| for the HID keyboard(s) |
| * (2) if a HID keyboard is disconnected and reconnected, |
| * this function is called to update the lock state maintained |
| for the HID keyboard(s) |
| * Returns void |
| ******************************************************************************/ |
| |
| static void toggle_os_keylockstates(int fd, int changedlockstates) { |
| BTIF_TRACE_EVENT("%s: fd = %d, changedlockstates = 0x%x", __func__, fd, |
| changedlockstates); |
| uint8_t hidreport[9]; |
| int reportIndex; |
| memset(hidreport, 0, 9); |
| hidreport[0] = 1; |
| reportIndex = 4; |
| |
| if (changedlockstates & BTIF_HH_KEYSTATE_MASK_CAPSLOCK) { |
| BTIF_TRACE_DEBUG("%s Setting CAPSLOCK", __func__); |
| hidreport[reportIndex++] = (uint8_t)HID_REPORT_CAPSLOCK; |
| } |
| |
| if (changedlockstates & BTIF_HH_KEYSTATE_MASK_NUMLOCK) { |
| BTIF_TRACE_DEBUG("%s Setting NUMLOCK", __func__); |
| hidreport[reportIndex++] = (uint8_t)HID_REPORT_NUMLOCK; |
| } |
| |
| if (changedlockstates & BTIF_HH_KEYSTATE_MASK_SCROLLLOCK) { |
| BTIF_TRACE_DEBUG("%s Setting SCROLLLOCK", __func__); |
| hidreport[reportIndex++] = (uint8_t)HID_REPORT_SCROLLLOCK; |
| } |
| |
| BTIF_TRACE_DEBUG( |
| "Writing hidreport #1 to os: " |
| "%s: %x %x %x", |
| __func__, hidreport[0], hidreport[1], hidreport[2]); |
| BTIF_TRACE_DEBUG("%s: %x %x %x", __func__, hidreport[3], hidreport[4], |
| hidreport[5]); |
| BTIF_TRACE_DEBUG("%s: %x %x %x", __func__, hidreport[6], hidreport[7], |
| hidreport[8]); |
| bta_hh_co_write(fd, hidreport, sizeof(hidreport)); |
| usleep(200000); |
| memset(hidreport, 0, 9); |
| hidreport[0] = 1; |
| BTIF_TRACE_DEBUG( |
| "Writing hidreport #2 to os: " |
| "%s: %x %x %x", |
| __func__, hidreport[0], hidreport[1], hidreport[2]); |
| BTIF_TRACE_DEBUG("%s: %x %x %x", __func__, hidreport[3], hidreport[4], |
| hidreport[5]); |
| BTIF_TRACE_DEBUG("%s: %x %x %x ", __func__, hidreport[6], hidreport[7], |
| hidreport[8]); |
| bta_hh_co_write(fd, hidreport, sizeof(hidreport)); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function create_pbuf |
| * |
| * Description Helper function to create p_buf for send_data or set_report |
| * |
| ******************************************************************************/ |
| static BT_HDR* create_pbuf(uint16_t len, uint8_t* data) { |
| BT_HDR* p_buf = (BT_HDR*)osi_malloc(len + BTA_HH_MIN_OFFSET + sizeof(BT_HDR)); |
| uint8_t* pbuf_data; |
| |
| p_buf->len = len; |
| p_buf->offset = BTA_HH_MIN_OFFSET; |
| |
| pbuf_data = (uint8_t*)(p_buf + 1) + p_buf->offset; |
| memcpy(pbuf_data, data, len); |
| |
| return p_buf; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function update_keyboard_lockstates |
| * |
| * Description Sends a report to the keyboard to set the lock states of |
| * keys. |
| * |
| ******************************************************************************/ |
| static void update_keyboard_lockstates(btif_hh_device_t* p_dev) { |
| uint8_t len = 2; /* reportid + 1 byte report*/ |
| BT_HDR* p_buf; |
| uint8_t data[] = {0x01, /* report id */ |
| static_cast<uint8_t>(btif_hh_keylockstates)}; /* keystate */ |
| |
| /* Set report for other keyboards */ |
| BTIF_TRACE_EVENT("%s: setting report on dev_handle %d to 0x%x", __func__, |
| p_dev->dev_handle, btif_hh_keylockstates); |
| |
| /* Get SetReport buffer */ |
| p_buf = create_pbuf(len, data); |
| if (p_buf != NULL) { |
| p_buf->layer_specific = BTA_HH_RPTT_OUTPUT; |
| BTA_HhSendData(p_dev->dev_handle, p_dev->bd_addr, p_buf); |
| } |
| } |
| |
| /******************************************************************************* |
| * |
| * Function sync_lockstate_on_connect |
| * |
| * Description Function to update the keyboard lock states managed by the |
| * OS when a HID keyboard is connected or disconnected and |
| * reconnected |
| * |
| * Returns void |
| ******************************************************************************/ |
| static void sync_lockstate_on_connect(btif_hh_device_t* p_dev) { |
| int keylockstates; |
| |
| BTIF_TRACE_EVENT( |
| "%s: Syncing keyboard lock states after " |
| "reconnect...", |
| __func__); |
| /*If the device is connected, update keyboard state */ |
| update_keyboard_lockstates(p_dev); |
| |
| /*Check if the lockstate of caps,scroll,num is set. |
| If so, send a report to the kernel |
| so the lockstate is in sync */ |
| keylockstates = get_keylockstates(); |
| if (keylockstates) { |
| BTIF_TRACE_DEBUG( |
| "%s: Sending hid report to kernel " |
| "indicating lock key state 0x%x", |
| __func__, keylockstates); |
| usleep(200000); |
| toggle_os_keylockstates(p_dev->fd, keylockstates); |
| } else { |
| BTIF_TRACE_DEBUG( |
| "%s: NOT sending hid report to kernel " |
| "indicating lock key state 0x%x", |
| __func__, keylockstates); |
| } |
| } |
| |
| /******************************************************************************* |
| * |
| * Function btif_hh_find_connected_dev_by_handle |
| * |
| * Description Return the connected device pointer of the specified device |
| * handle |
| * |
| * Returns Device entry pointer in the device table |
| ******************************************************************************/ |
| btif_hh_device_t* btif_hh_find_connected_dev_by_handle(uint8_t handle) { |
| uint32_t i; |
| for (i = 0; i < BTIF_HH_MAX_HID; i++) { |
| if (btif_hh_cb.devices[i].dev_status == BTHH_CONN_STATE_CONNECTED && |
| btif_hh_cb.devices[i].dev_handle == handle) { |
| return &btif_hh_cb.devices[i]; |
| } |
| } |
| return NULL; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function btif_hh_find_dev_by_bda |
| * |
| * Description Return the device pointer of the specified RawAddress. |
| * |
| * Returns Device entry pointer in the device table |
| ******************************************************************************/ |
| static btif_hh_device_t* btif_hh_find_dev_by_bda(const RawAddress& bd_addr) { |
| uint32_t i; |
| for (i = 0; i < BTIF_HH_MAX_HID; i++) { |
| if (btif_hh_cb.devices[i].dev_status != BTHH_CONN_STATE_UNKNOWN && |
| btif_hh_cb.devices[i].bd_addr == bd_addr) { |
| return &btif_hh_cb.devices[i]; |
| } |
| } |
| return NULL; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function btif_hh_find_connected_dev_by_bda |
| * |
| * Description Return the connected device pointer of the specified |
| * RawAddress. |
| * |
| * Returns Device entry pointer in the device table |
| ******************************************************************************/ |
| static btif_hh_device_t* btif_hh_find_connected_dev_by_bda( |
| const RawAddress& bd_addr) { |
| uint32_t i; |
| for (i = 0; i < BTIF_HH_MAX_HID; i++) { |
| if (btif_hh_cb.devices[i].dev_status == BTHH_CONN_STATE_CONNECTED && |
| btif_hh_cb.devices[i].bd_addr == bd_addr) { |
| return &btif_hh_cb.devices[i]; |
| } |
| } |
| return NULL; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function btif_hh_stop_vup_timer |
| * |
| * Description stop vitual unplug timer |
| * |
| * Returns void |
| ******************************************************************************/ |
| void btif_hh_stop_vup_timer(RawAddress* bd_addr) { |
| btif_hh_device_t* p_dev = btif_hh_find_connected_dev_by_bda(*bd_addr); |
| |
| if (p_dev != NULL) { |
| BTIF_TRACE_DEBUG("stop VUP timer"); |
| alarm_free(p_dev->vup_timer); |
| p_dev->vup_timer = NULL; |
| } |
| } |
| /******************************************************************************* |
| * |
| * Function btif_hh_start_vup_timer |
| * |
| * Description start virtual unplug timer |
| * |
| * Returns void |
| ******************************************************************************/ |
| void btif_hh_start_vup_timer(const RawAddress* bd_addr) { |
| BTIF_TRACE_DEBUG("%s", __func__); |
| |
| btif_hh_device_t* p_dev = btif_hh_find_connected_dev_by_bda(*bd_addr); |
| CHECK(p_dev != NULL); |
| |
| alarm_free(p_dev->vup_timer); |
| p_dev->vup_timer = alarm_new("btif_hh.vup_timer"); |
| alarm_set_on_mloop(p_dev->vup_timer, BTIF_TIMEOUT_VUP_MS, |
| btif_hh_timer_timeout, p_dev); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function btif_hh_add_added_dev |
| * |
| * Description Add a new device to the added device list. |
| * |
| * Returns true if add successfully, otherwise false. |
| ******************************************************************************/ |
| bool btif_hh_add_added_dev(const RawAddress& bda, tBTA_HH_ATTR_MASK attr_mask) { |
| int i; |
| for (i = 0; i < BTIF_HH_MAX_ADDED_DEV; i++) { |
| if (btif_hh_cb.added_devices[i].bd_addr == bda) { |
| LOG(WARNING) << " Device " << bda << " already added"; |
| return false; |
| } |
| } |
| for (i = 0; i < BTIF_HH_MAX_ADDED_DEV; i++) { |
| if (btif_hh_cb.added_devices[i].bd_addr.IsEmpty()) { |
| LOG(WARNING) << " Added device " << bda; |
| btif_hh_cb.added_devices[i].bd_addr = bda; |
| btif_hh_cb.added_devices[i].dev_handle = BTA_HH_INVALID_HANDLE; |
| btif_hh_cb.added_devices[i].attr_mask = attr_mask; |
| return true; |
| } |
| } |
| |
| BTIF_TRACE_WARNING("%s: Error, out of space to add device", __func__); |
| return false; |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function btif_hh_remove_device |
| ** |
| ** Description Remove an added device from the stack. |
| ** |
| ** Returns void |
| ******************************************************************************/ |
| void btif_hh_remove_device(RawAddress bd_addr) { |
| int i; |
| btif_hh_device_t* p_dev; |
| btif_hh_added_device_t* p_added_dev; |
| |
| LOG(INFO) << __func__ << ": bda = " << bd_addr; |
| |
| for (i = 0; i < BTIF_HH_MAX_ADDED_DEV; i++) { |
| p_added_dev = &btif_hh_cb.added_devices[i]; |
| if (p_added_dev->bd_addr == bd_addr) { |
| BTA_HhRemoveDev(p_added_dev->dev_handle); |
| btif_storage_remove_hid_info(&(p_added_dev->bd_addr)); |
| memset(&(p_added_dev->bd_addr), 0, 6); |
| p_added_dev->dev_handle = BTA_HH_INVALID_HANDLE; |
| break; |
| } |
| } |
| |
| p_dev = btif_hh_find_dev_by_bda(bd_addr); |
| if (p_dev == NULL) { |
| LOG(WARNING) << " Oops, can't find device " << bd_addr; |
| return; |
| } |
| |
| /* need to notify up-layer device is disconnected to avoid state out of sync |
| * with up-layer */ |
| HAL_CBACK(bt_hh_callbacks, connection_state_cb, &(p_dev->bd_addr), |
| BTHH_CONN_STATE_DISCONNECTED); |
| |
| p_dev->dev_status = BTHH_CONN_STATE_UNKNOWN; |
| p_dev->dev_handle = BTA_HH_INVALID_HANDLE; |
| p_dev->ready_for_data = false; |
| |
| if (btif_hh_cb.device_num > 0) { |
| btif_hh_cb.device_num--; |
| } else { |
| BTIF_TRACE_WARNING("%s: device_num = 0", __func__); |
| } |
| |
| p_dev->hh_keep_polling = 0; |
| p_dev->hh_poll_thread_id = -1; |
| BTIF_TRACE_DEBUG("%s: uhid fd = %d", __func__, p_dev->fd); |
| if (p_dev->fd >= 0) { |
| bta_hh_co_destroy(p_dev->fd); |
| p_dev->fd = -1; |
| } |
| } |
| |
| bool btif_hh_copy_hid_info(tBTA_HH_DEV_DSCP_INFO* dest, |
| tBTA_HH_DEV_DSCP_INFO* src) { |
| dest->descriptor.dl_len = 0; |
| if (src->descriptor.dl_len > 0) { |
| dest->descriptor.dsc_list = (uint8_t*)osi_malloc(src->descriptor.dl_len); |
| } |
| memcpy(dest->descriptor.dsc_list, src->descriptor.dsc_list, |
| src->descriptor.dl_len); |
| dest->descriptor.dl_len = src->descriptor.dl_len; |
| dest->vendor_id = src->vendor_id; |
| dest->product_id = src->product_id; |
| dest->version = src->version; |
| dest->ctry_code = src->ctry_code; |
| dest->ssr_max_latency = src->ssr_max_latency; |
| dest->ssr_min_tout = src->ssr_min_tout; |
| return true; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function btif_hh_virtual_unplug |
| * |
| * Description Virtual unplug initiated from the BTIF thread context |
| * Special handling for HID mouse- |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| |
| bt_status_t btif_hh_virtual_unplug(const RawAddress* bd_addr) { |
| BTIF_TRACE_DEBUG("%s", __func__); |
| btif_hh_device_t* p_dev; |
| char bd_str[18]; |
| snprintf(bd_str, sizeof(bd_str), "%02X:%02X:%02X:%02X:%02X:%02X", |
| bd_addr->address[0], bd_addr->address[1], bd_addr->address[2], |
| bd_addr->address[3], bd_addr->address[4], bd_addr->address[5]); |
| p_dev = btif_hh_find_dev_by_bda(*bd_addr); |
| if ((p_dev != NULL) && (p_dev->dev_status == BTHH_CONN_STATE_CONNECTED) && |
| (p_dev->attr_mask & HID_VIRTUAL_CABLE)) { |
| BTIF_TRACE_DEBUG("%s Sending BTA_HH_CTRL_VIRTUAL_CABLE_UNPLUG", __func__); |
| /* start the timer */ |
| btif_hh_start_vup_timer(bd_addr); |
| p_dev->local_vup = true; |
| BTA_HhSendCtrl(p_dev->dev_handle, BTA_HH_CTRL_VIRTUAL_CABLE_UNPLUG); |
| return BT_STATUS_SUCCESS; |
| } else { |
| BTIF_TRACE_ERROR("%s: Error, device %s not opened.", __func__, bd_str); |
| return BT_STATUS_FAIL; |
| } |
| } |
| |
| /******************************************************************************* |
| * |
| * Function btif_hh_connect |
| * |
| * Description connection initiated from the BTIF thread context |
| * |
| * Returns int status |
| * |
| ******************************************************************************/ |
| |
| bt_status_t btif_hh_connect(const RawAddress* bd_addr) { |
| btif_hh_added_device_t* added_dev = NULL; |
| CHECK_BTHH_INIT(); |
| BTIF_TRACE_EVENT("BTHH: %s", __func__); |
| btif_hh_device_t* dev = btif_hh_find_dev_by_bda(*bd_addr); |
| if (!dev && btif_hh_cb.device_num >= BTIF_HH_MAX_HID) { |
| // No space for more HID device now. |
| BTIF_TRACE_WARNING( |
| "%s: Error, exceeded the maximum supported HID device number %d", |
| __func__, BTIF_HH_MAX_HID); |
| return BT_STATUS_FAIL; |
| } |
| |
| for (int i = 0; i < BTIF_HH_MAX_ADDED_DEV; i++) { |
| if (btif_hh_cb.added_devices[i].bd_addr == *bd_addr) { |
| added_dev = &btif_hh_cb.added_devices[i]; |
| LOG(WARNING) << __func__ << ": Device " << *bd_addr |
| << " already added, attr_mask = 0x" << std::hex |
| << added_dev->attr_mask; |
| } |
| } |
| |
| if (added_dev != NULL) { |
| if (added_dev->dev_handle == BTA_HH_INVALID_HANDLE) { |
| // No space for more HID device now. |
| LOG(ERROR) << __func__ << ": Error, device " << *bd_addr |
| << " added but addition failed"; |
| added_dev->bd_addr = RawAddress::kEmpty; |
| added_dev->dev_handle = BTA_HH_INVALID_HANDLE; |
| return BT_STATUS_FAIL; |
| } |
| } |
| |
| /* Not checking the NORMALLY_Connectible flags from sdp record, and anyways |
| sending this |
| request from host, for subsequent user initiated connection. If the remote is |
| not in |
| pagescan mode, we will do 2 retries to connect before giving up */ |
| tBTA_SEC sec_mask = BTUI_HH_SECURITY; |
| btif_hh_cb.status = BTIF_HH_DEV_CONNECTING; |
| BTA_HhOpen(*bd_addr, BTA_HH_PROTO_RPT_MODE, sec_mask); |
| |
| // TODO(jpawlowski); make cback accept const and remove tmp! |
| auto tmp = *bd_addr; |
| HAL_CBACK(bt_hh_callbacks, connection_state_cb, &tmp, |
| BTHH_CONN_STATE_CONNECTING); |
| return BT_STATUS_SUCCESS; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function btif_hh_disconnect |
| * |
| * Description disconnection initiated from the BTIF thread context |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| |
| void btif_hh_disconnect(RawAddress* bd_addr) { |
| btif_hh_device_t* p_dev; |
| p_dev = btif_hh_find_connected_dev_by_bda(*bd_addr); |
| if (p_dev != NULL) { |
| BTA_HhClose(p_dev->dev_handle); |
| } else |
| BTIF_TRACE_DEBUG("%s-- Error: device not connected:", __func__); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function btif_btif_hh_setreport |
| * |
| * Description setreport initiated from the BTIF thread context |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void btif_hh_setreport(btif_hh_device_t* p_dev, bthh_report_type_t r_type, |
| uint16_t size, uint8_t* report) { |
| BT_HDR* p_buf = create_pbuf(size, report); |
| if (p_buf == NULL) { |
| APPL_TRACE_ERROR("%s: Error, failed to allocate RPT buffer, size = %d", |
| __func__, size); |
| return; |
| } |
| BTA_HhSetReport(p_dev->dev_handle, r_type, p_buf); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function btif_hh_service_registration |
| * |
| * Description Registers or derigisters the hid host service |
| * |
| * Returns none |
| * |
| ******************************************************************************/ |
| void btif_hh_service_registration(bool enable) { |
| BTIF_TRACE_API("%s", __func__); |
| |
| BTIF_TRACE_API("enable = %d", enable); |
| if (bt_hh_callbacks == NULL) { |
| // The HID Host service was never initialized (it is either disabled or not |
| // available in this build). We should proceed directly to changing the HID |
| // Device service state (if needed). |
| if (!enable) { |
| btif_hd_service_registration(); |
| } |
| } else if (enable) { |
| BTA_HhEnable(BTA_SEC_ENCRYPT, bte_hh_evt); |
| } else { |
| btif_hh_cb.service_dereg_active = TRUE; |
| BTA_HhDisable(); |
| } |
| } |
| |
| /***************************************************************************** |
| * Section name (Group of functions) |
| ****************************************************************************/ |
| |
| /***************************************************************************** |
| * |
| * btif hh api functions (no context switch) |
| * |
| ****************************************************************************/ |
| |
| /******************************************************************************* |
| * |
| * Function btif_hh_upstreams_evt |
| * |
| * Description Executes HH UPSTREAMS events in btif context |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| static void btif_hh_upstreams_evt(uint16_t event, char* p_param) { |
| tBTA_HH* p_data = (tBTA_HH*)p_param; |
| btif_hh_device_t* p_dev = NULL; |
| int i; |
| int len, tmplen; |
| |
| BTIF_TRACE_DEBUG("%s: event=%s dereg = %d", __func__, dump_hh_event(event), |
| btif_hh_cb.service_dereg_active); |
| |
| switch (event) { |
| case BTA_HH_ENABLE_EVT: |
| BTIF_TRACE_DEBUG("%s: BTA_HH_ENABLE_EVT: status =%d", __func__, |
| p_data->status); |
| if (p_data->status == BTA_HH_OK) { |
| btif_hh_cb.status = BTIF_HH_ENABLED; |
| BTIF_TRACE_DEBUG("%s--Loading added devices", __func__); |
| /* Add hid descriptors for already bonded hid devices*/ |
| btif_storage_load_bonded_hid_info(); |
| } else { |
| btif_hh_cb.status = BTIF_HH_DISABLED; |
| BTIF_TRACE_WARNING( |
| "BTA_HH_ENABLE_EVT: Error, HH enabling failed, status = %d", |
| p_data->status); |
| } |
| break; |
| |
| case BTA_HH_DISABLE_EVT: |
| btif_hh_cb.status = BTIF_HH_DISABLED; |
| if (btif_hh_cb.service_dereg_active) { |
| BTIF_TRACE_DEBUG("BTA_HH_DISABLE_EVT: enabling HID Device service"); |
| btif_hd_service_registration(); |
| btif_hh_cb.service_dereg_active = FALSE; |
| } |
| if (p_data->status == BTA_HH_OK) { |
| int i; |
| // Clear the control block |
| for (i = 0; i < BTIF_HH_MAX_HID; i++) { |
| alarm_free(btif_hh_cb.devices[i].vup_timer); |
| } |
| memset(&btif_hh_cb, 0, sizeof(btif_hh_cb)); |
| for (i = 0; i < BTIF_HH_MAX_HID; i++) { |
| btif_hh_cb.devices[i].dev_status = BTHH_CONN_STATE_UNKNOWN; |
| } |
| } else |
| BTIF_TRACE_WARNING( |
| "BTA_HH_DISABLE_EVT: Error, HH disabling failed, status = %d", |
| p_data->status); |
| break; |
| |
| case BTA_HH_OPEN_EVT: |
| BTIF_TRACE_WARNING("%s: BTA_HH_OPN_EVT: handle=%d, status =%d", __func__, |
| p_data->conn.handle, p_data->conn.status); |
| if (p_data->conn.status == BTA_HH_OK) { |
| p_dev = btif_hh_find_connected_dev_by_handle(p_data->conn.handle); |
| if (p_dev == NULL) { |
| BTIF_TRACE_WARNING( |
| "BTA_HH_OPEN_EVT: Error, cannot find device with handle %d", |
| p_data->conn.handle); |
| btif_hh_cb.status = (BTIF_HH_STATUS)BTIF_HH_DEV_DISCONNECTED; |
| // The connect request must come from device side and exceeded the |
| // connected |
| // HID device number. |
| BTA_HhClose(p_data->conn.handle); |
| HAL_CBACK(bt_hh_callbacks, connection_state_cb, |
| (RawAddress*)&p_data->conn.bda, |
| BTHH_CONN_STATE_DISCONNECTED); |
| } else if (p_dev->fd < 0) { |
| BTIF_TRACE_WARNING( |
| "BTA_HH_OPEN_EVT: Error, failed to find the uhid driver..."); |
| p_dev->bd_addr = p_data->conn.bda; |
| // remove the connection and then try again to reconnect from the |
| // mouse side to recover |
| btif_hh_cb.status = (BTIF_HH_STATUS)BTIF_HH_DEV_DISCONNECTED; |
| BTA_HhClose(p_data->conn.handle); |
| } else { |
| BTIF_TRACE_WARNING( |
| "BTA_HH_OPEN_EVT: Found device...Getting dscp info for handle " |
| "... %d", |
| p_data->conn.handle); |
| p_dev->bd_addr = p_data->conn.bda; |
| btif_hh_cb.status = (BTIF_HH_STATUS)BTIF_HH_DEV_CONNECTED; |
| // Send set_idle if the peer_device is a keyboard |
| if (check_cod(&p_data->conn.bda, COD_HID_KEYBOARD) || |
| check_cod(&p_data->conn.bda, COD_HID_COMBO)) |
| BTA_HhSetIdle(p_data->conn.handle, 0); |
| btif_hh_cb.p_curr_dev = |
| btif_hh_find_connected_dev_by_handle(p_data->conn.handle); |
| BTA_HhGetDscpInfo(p_data->conn.handle); |
| p_dev->dev_status = BTHH_CONN_STATE_CONNECTED; |
| HAL_CBACK(bt_hh_callbacks, connection_state_cb, &(p_dev->bd_addr), |
| p_dev->dev_status); |
| } |
| } else { |
| RawAddress* bdaddr = &p_data->conn.bda; |
| btif_dm_hh_open_failed(bdaddr); |
| p_dev = btif_hh_find_dev_by_bda(*bdaddr); |
| if (p_dev != NULL) { |
| btif_hh_stop_vup_timer(&(p_dev->bd_addr)); |
| if (p_dev->fd >= 0) { |
| bta_hh_co_destroy(p_dev->fd); |
| p_dev->fd = -1; |
| } |
| p_dev->dev_status = BTHH_CONN_STATE_DISCONNECTED; |
| } |
| HAL_CBACK(bt_hh_callbacks, connection_state_cb, |
| (RawAddress*)&p_data->conn.bda, BTHH_CONN_STATE_DISCONNECTED); |
| btif_hh_cb.status = (BTIF_HH_STATUS)BTIF_HH_DEV_DISCONNECTED; |
| } |
| break; |
| |
| case BTA_HH_CLOSE_EVT: |
| BTIF_TRACE_DEBUG("BTA_HH_CLOSE_EVT: status = %d, handle = %d", |
| p_data->dev_status.status, p_data->dev_status.handle); |
| p_dev = btif_hh_find_connected_dev_by_handle(p_data->dev_status.handle); |
| if (p_dev != NULL) { |
| BTIF_TRACE_DEBUG("%s: uhid fd=%d local_vup=%d", __func__, p_dev->fd, |
| p_dev->local_vup); |
| btif_hh_stop_vup_timer(&(p_dev->bd_addr)); |
| /* If this is a locally initiated VUP, remove the bond as ACL got |
| * disconnected while VUP being processed. |
| */ |
| if (p_dev->local_vup) { |
| p_dev->local_vup = false; |
| BTA_DmRemoveDevice(p_dev->bd_addr); |
| } |
| |
| btif_hh_cb.status = (BTIF_HH_STATUS)BTIF_HH_DEV_DISCONNECTED; |
| p_dev->dev_status = BTHH_CONN_STATE_DISCONNECTED; |
| |
| if (p_dev->fd >= 0) { |
| bta_hh_co_destroy(p_dev->fd); |
| p_dev->fd = -1; |
| } |
| HAL_CBACK(bt_hh_callbacks, connection_state_cb, &(p_dev->bd_addr), |
| p_dev->dev_status); |
| } else { |
| BTIF_TRACE_WARNING("Error: cannot find device with handle %d", |
| p_data->dev_status.handle); |
| } |
| break; |
| |
| case BTA_HH_GET_RPT_EVT: { |
| BT_HDR* hdr = p_data->hs_data.rsp_data.p_rpt_data; |
| uint8_t* data = NULL; |
| uint16_t len = 0; |
| |
| BTIF_TRACE_DEBUG("BTA_HH_GET_RPT_EVT: status = %d, handle = %d", |
| p_data->hs_data.status, p_data->hs_data.handle); |
| p_dev = btif_hh_find_connected_dev_by_handle(p_data->hs_data.handle); |
| if (p_dev) { |
| /* p_rpt_data is NULL in HANDSHAKE response case */ |
| if (hdr) { |
| data = (uint8_t*)(hdr + 1) + hdr->offset; |
| len = hdr->len; |
| HAL_CBACK(bt_hh_callbacks, get_report_cb, |
| (RawAddress*)&(p_dev->bd_addr), |
| (bthh_status_t)p_data->hs_data.status, data, len); |
| } else { |
| HAL_CBACK(bt_hh_callbacks, handshake_cb, |
| (RawAddress*)&(p_dev->bd_addr), |
| (bthh_status_t)p_data->hs_data.status); |
| } |
| } else { |
| BTIF_TRACE_WARNING("Error: cannot find device with handle %d", |
| p_data->hs_data.handle); |
| } |
| break; |
| } |
| |
| case BTA_HH_SET_RPT_EVT: |
| BTIF_TRACE_DEBUG("BTA_HH_SET_RPT_EVT: status = %d, handle = %d", |
| p_data->dev_status.status, p_data->dev_status.handle); |
| p_dev = btif_hh_find_connected_dev_by_handle(p_data->dev_status.handle); |
| if (p_dev != NULL) { |
| HAL_CBACK(bt_hh_callbacks, handshake_cb, (RawAddress*)&(p_dev->bd_addr), |
| (bthh_status_t)p_data->hs_data.status); |
| } |
| break; |
| |
| case BTA_HH_GET_PROTO_EVT: |
| p_dev = btif_hh_find_connected_dev_by_handle(p_data->hs_data.handle); |
| BTIF_TRACE_WARNING( |
| "BTA_HH_GET_PROTO_EVT: status = %d, handle = %d, proto = [%d], %s", |
| p_data->hs_data.status, p_data->hs_data.handle, |
| p_data->hs_data.rsp_data.proto_mode, |
| (p_data->hs_data.rsp_data.proto_mode == BTA_HH_PROTO_RPT_MODE) |
| ? "Report Mode" |
| : (p_data->hs_data.rsp_data.proto_mode == BTA_HH_PROTO_BOOT_MODE) |
| ? "Boot Mode" |
| : "Unsupported"); |
| if (p_data->hs_data.rsp_data.proto_mode != BTA_HH_PROTO_UNKNOWN) { |
| HAL_CBACK(bt_hh_callbacks, protocol_mode_cb, |
| (RawAddress*)&(p_dev->bd_addr), |
| (bthh_status_t)p_data->hs_data.status, |
| (bthh_protocol_mode_t)p_data->hs_data.rsp_data.proto_mode); |
| } else { |
| HAL_CBACK(bt_hh_callbacks, handshake_cb, (RawAddress*)&(p_dev->bd_addr), |
| (bthh_status_t)p_data->hs_data.status); |
| } |
| break; |
| |
| case BTA_HH_SET_PROTO_EVT: |
| BTIF_TRACE_DEBUG("BTA_HH_SET_PROTO_EVT: status = %d, handle = %d", |
| p_data->dev_status.status, p_data->dev_status.handle); |
| p_dev = btif_hh_find_connected_dev_by_handle(p_data->dev_status.handle); |
| if (p_dev) { |
| HAL_CBACK(bt_hh_callbacks, handshake_cb, (RawAddress*)&(p_dev->bd_addr), |
| (bthh_status_t)p_data->hs_data.status); |
| } |
| break; |
| |
| case BTA_HH_GET_IDLE_EVT: |
| BTIF_TRACE_DEBUG( |
| "BTA_HH_GET_IDLE_EVT: handle = %d, status = %d, rate = %d", |
| p_data->hs_data.handle, p_data->hs_data.status, |
| p_data->hs_data.rsp_data.idle_rate); |
| p_dev = btif_hh_find_connected_dev_by_handle(p_data->hs_data.handle); |
| HAL_CBACK(bt_hh_callbacks, idle_time_cb, (RawAddress*)&(p_dev->bd_addr), |
| (bthh_status_t)p_data->hs_data.status, |
| p_data->hs_data.rsp_data.idle_rate); |
| break; |
| |
| case BTA_HH_SET_IDLE_EVT: |
| BTIF_TRACE_DEBUG("BTA_HH_SET_IDLE_EVT: status = %d, handle = %d", |
| p_data->dev_status.status, p_data->dev_status.handle); |
| break; |
| |
| case BTA_HH_GET_DSCP_EVT: |
| len = p_data->dscp_info.descriptor.dl_len; |
| BTIF_TRACE_DEBUG("BTA_HH_GET_DSCP_EVT: len = %d", len); |
| p_dev = btif_hh_cb.p_curr_dev; |
| if (p_dev == NULL) { |
| BTIF_TRACE_ERROR( |
| "BTA_HH_GET_DSCP_EVT: No HID device is currently connected"); |
| return; |
| } |
| if (p_dev->fd < 0) { |
| LOG_ERROR( |
| LOG_TAG, |
| "BTA_HH_GET_DSCP_EVT: Error, failed to find the uhid driver..."); |
| return; |
| } |
| { |
| const char* cached_name = NULL; |
| bt_bdname_t bdname; |
| bt_property_t prop_name; |
| BTIF_STORAGE_FILL_PROPERTY(&prop_name, BT_PROPERTY_BDNAME, |
| sizeof(bt_bdname_t), &bdname); |
| if (btif_storage_get_remote_device_property( |
| &p_dev->bd_addr, &prop_name) == BT_STATUS_SUCCESS) { |
| cached_name = (char*)bdname.name; |
| } else { |
| cached_name = "Bluetooth HID"; |
| } |
| |
| BTIF_TRACE_WARNING("%s: name = %s", __func__, cached_name); |
| bta_hh_co_send_hid_info(p_dev, cached_name, p_data->dscp_info.vendor_id, |
| p_data->dscp_info.product_id, |
| p_data->dscp_info.version, |
| p_data->dscp_info.ctry_code, len, |
| p_data->dscp_info.descriptor.dsc_list); |
| if (btif_hh_add_added_dev(p_dev->bd_addr, p_dev->attr_mask)) { |
| tBTA_HH_DEV_DSCP_INFO dscp_info; |
| bt_status_t ret; |
| btif_hh_copy_hid_info(&dscp_info, &p_data->dscp_info); |
| VLOG(1) << "BTA_HH_GET_DSCP_EVT:bda = " << p_dev->bd_addr; |
| BTA_HhAddDev(p_dev->bd_addr, p_dev->attr_mask, p_dev->sub_class, |
| p_dev->app_id, dscp_info); |
| // write hid info to nvram |
| ret = btif_storage_add_hid_device_info( |
| &(p_dev->bd_addr), p_dev->attr_mask, p_dev->sub_class, |
| p_dev->app_id, p_data->dscp_info.vendor_id, |
| p_data->dscp_info.product_id, p_data->dscp_info.version, |
| p_data->dscp_info.ctry_code, p_data->dscp_info.ssr_max_latency, |
| p_data->dscp_info.ssr_min_tout, len, |
| p_data->dscp_info.descriptor.dsc_list); |
| |
| ASSERTC(ret == BT_STATUS_SUCCESS, "storing hid info failed", ret); |
| BTIF_TRACE_WARNING("BTA_HH_GET_DSCP_EVT: Called add device"); |
| |
| // Free buffer created for dscp_info; |
| if (dscp_info.descriptor.dl_len > 0 && |
| dscp_info.descriptor.dsc_list != NULL) { |
| osi_free_and_reset((void**)&dscp_info.descriptor.dsc_list); |
| dscp_info.descriptor.dl_len = 0; |
| } |
| } else { |
| // Device already added. |
| BTIF_TRACE_WARNING("%s: Device already added ", __func__); |
| } |
| /*Sync HID Keyboard lockstates */ |
| tmplen = sizeof(hid_kb_numlock_on_list) / sizeof(tHID_KB_LIST); |
| for (i = 0; i < tmplen; i++) { |
| if (p_data->dscp_info.vendor_id == |
| hid_kb_numlock_on_list[i].version_id && |
| p_data->dscp_info.product_id == |
| hid_kb_numlock_on_list[i].product_id) { |
| BTIF_TRACE_DEBUG( |
| "%s() idx[%d] Enabling " |
| "NUMLOCK for device :: %s", |
| __func__, i, hid_kb_numlock_on_list[i].kb_name); |
| /* Enable NUMLOCK by default so that numeric |
| keys work from first keyboard connect */ |
| set_keylockstate(BTIF_HH_KEYSTATE_MASK_NUMLOCK, true); |
| sync_lockstate_on_connect(p_dev); |
| /* End Sync HID Keyboard lockstates */ |
| break; |
| } |
| } |
| } |
| break; |
| |
| case BTA_HH_ADD_DEV_EVT: |
| BTIF_TRACE_WARNING("BTA_HH_ADD_DEV_EVT: status = %d, handle = %d", |
| p_data->dev_info.status, p_data->dev_info.handle); |
| int i; |
| for (i = 0; i < BTIF_HH_MAX_ADDED_DEV; i++) { |
| if (btif_hh_cb.added_devices[i].bd_addr == p_data->dev_info.bda) { |
| if (p_data->dev_info.status == BTA_HH_OK) { |
| btif_hh_cb.added_devices[i].dev_handle = p_data->dev_info.handle; |
| } else { |
| btif_hh_cb.added_devices[i].bd_addr = RawAddress::kEmpty; |
| btif_hh_cb.added_devices[i].dev_handle = BTA_HH_INVALID_HANDLE; |
| } |
| break; |
| } |
| } |
| break; |
| case BTA_HH_RMV_DEV_EVT: |
| BTIF_TRACE_DEBUG("BTA_HH_RMV_DEV_EVT: status = %d, handle = %d", |
| p_data->dev_info.status, p_data->dev_info.handle); |
| VLOG(1) << "BTA_HH_RMV_DEV_EVT:bda = " << p_data->dev_info.bda; |
| break; |
| |
| case BTA_HH_VC_UNPLUG_EVT: |
| BTIF_TRACE_DEBUG("BTA_HH_VC_UNPLUG_EVT: status = %d, handle = %d", |
| p_data->dev_status.status, p_data->dev_status.handle); |
| p_dev = btif_hh_find_connected_dev_by_handle(p_data->dev_status.handle); |
| btif_hh_cb.status = (BTIF_HH_STATUS)BTIF_HH_DEV_DISCONNECTED; |
| if (p_dev != NULL) { |
| VLOG(1) << "BTA_HH_VC_UNPLUG_EVT:bda = " << p_dev->bd_addr; |
| |
| /* Stop the VUP timer */ |
| btif_hh_stop_vup_timer(&(p_dev->bd_addr)); |
| p_dev->dev_status = BTHH_CONN_STATE_DISCONNECTED; |
| BTIF_TRACE_DEBUG("%s---Sending connection state change", __func__); |
| HAL_CBACK(bt_hh_callbacks, connection_state_cb, &(p_dev->bd_addr), |
| p_dev->dev_status); |
| BTIF_TRACE_DEBUG("%s---Removing HID bond", __func__); |
| /* If it is locally initiated VUP or remote device has its major COD as |
| Peripheral removed the bond.*/ |
| if (p_dev->local_vup || check_cod_hid(&(p_dev->bd_addr))) { |
| p_dev->local_vup = false; |
| BTA_DmRemoveDevice(p_dev->bd_addr); |
| } else |
| btif_hh_remove_device(p_dev->bd_addr); |
| HAL_CBACK(bt_hh_callbacks, virtual_unplug_cb, &(p_dev->bd_addr), |
| (bthh_status_t)p_data->dev_status.status); |
| } |
| break; |
| |
| case BTA_HH_API_ERR_EVT: |
| LOG_INFO(LOG_TAG, "BTA_HH API_ERR"); |
| break; |
| |
| default: |
| BTIF_TRACE_WARNING("%s: Unhandled event: %d", __func__, event); |
| break; |
| } |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bte_hh_evt |
| * |
| * Description Switches context from BTE to BTIF for all HH events |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| |
| void bte_hh_evt(tBTA_HH_EVT event, tBTA_HH* p_data) { |
| bt_status_t status; |
| int param_len = 0; |
| |
| if (BTA_HH_ENABLE_EVT == event) |
| param_len = sizeof(tBTA_HH_STATUS); |
| else if (BTA_HH_OPEN_EVT == event) |
| param_len = sizeof(tBTA_HH_CONN); |
| else if (BTA_HH_DISABLE_EVT == event) |
| param_len = sizeof(tBTA_HH_STATUS); |
| else if (BTA_HH_CLOSE_EVT == event) |
| param_len = sizeof(tBTA_HH_CBDATA); |
| else if (BTA_HH_GET_DSCP_EVT == event) |
| param_len = sizeof(tBTA_HH_DEV_DSCP_INFO); |
| else if ((BTA_HH_GET_PROTO_EVT == event) || (BTA_HH_GET_RPT_EVT == event) || |
| (BTA_HH_GET_IDLE_EVT == event)) |
| param_len = sizeof(tBTA_HH_HSDATA); |
| else if ((BTA_HH_SET_PROTO_EVT == event) || (BTA_HH_SET_RPT_EVT == event) || |
| (BTA_HH_VC_UNPLUG_EVT == event) || (BTA_HH_SET_IDLE_EVT == event)) |
| param_len = sizeof(tBTA_HH_CBDATA); |
| else if ((BTA_HH_ADD_DEV_EVT == event) || (BTA_HH_RMV_DEV_EVT == event)) |
| param_len = sizeof(tBTA_HH_DEV_INFO); |
| else if (BTA_HH_API_ERR_EVT == event) |
| param_len = 0; |
| /* switch context to btif task context (copy full union size for convenience) |
| */ |
| status = btif_transfer_context(btif_hh_upstreams_evt, (uint16_t)event, |
| (char*)p_data, param_len, NULL); |
| |
| /* catch any failed context transfers */ |
| ASSERTC(status == BT_STATUS_SUCCESS, "context transfer failed", status); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function btif_hh_handle_evt |
| * |
| * Description Switches context for immediate callback |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| |
| static void btif_hh_handle_evt(uint16_t event, char* p_param) { |
| RawAddress* bd_addr = (RawAddress*)p_param; |
| BTIF_TRACE_EVENT("%s: event=%d", __func__, event); |
| int ret; |
| switch (event) { |
| case BTIF_HH_CONNECT_REQ_EVT: { |
| ret = btif_hh_connect(bd_addr); |
| if (ret == BT_STATUS_SUCCESS) { |
| HAL_CBACK(bt_hh_callbacks, connection_state_cb, bd_addr, |
| BTHH_CONN_STATE_CONNECTING); |
| } else |
| HAL_CBACK(bt_hh_callbacks, connection_state_cb, bd_addr, |
| BTHH_CONN_STATE_DISCONNECTED); |
| } break; |
| |
| case BTIF_HH_DISCONNECT_REQ_EVT: { |
| BTIF_TRACE_EVENT("%s: event=%d", __func__, event); |
| btif_hh_disconnect(bd_addr); |
| HAL_CBACK(bt_hh_callbacks, connection_state_cb, bd_addr, |
| BTHH_CONN_STATE_DISCONNECTING); |
| } break; |
| |
| case BTIF_HH_VUP_REQ_EVT: { |
| BTIF_TRACE_EVENT("%s: event=%d", __func__, event); |
| ret = btif_hh_virtual_unplug(bd_addr); |
| } break; |
| |
| default: { |
| BTIF_TRACE_WARNING("%s : Unknown event 0x%x", __func__, event); |
| } break; |
| } |
| } |
| |
| /******************************************************************************* |
| * |
| * Function btif_hh_timer_timeout |
| * |
| * Description Process timer timeout |
| * |
| * Returns void |
| ******************************************************************************/ |
| void btif_hh_timer_timeout(void* data) { |
| btif_hh_device_t* p_dev = (btif_hh_device_t*)data; |
| tBTA_HH_EVT event = BTA_HH_VC_UNPLUG_EVT; |
| tBTA_HH p_data; |
| int param_len = sizeof(tBTA_HH_CBDATA); |
| |
| BTIF_TRACE_DEBUG("%s", __func__); |
| if (p_dev->dev_status != BTHH_CONN_STATE_CONNECTED) return; |
| |
| memset(&p_data, 0, sizeof(tBTA_HH)); |
| p_data.dev_status.status = BTHH_ERR; |
| p_data.dev_status.handle = p_dev->dev_handle; |
| |
| /* switch context to btif task context */ |
| btif_transfer_context(btif_hh_upstreams_evt, (uint16_t)event, (char*)&p_data, |
| param_len, NULL); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function btif_hh_init |
| * |
| * Description initializes the hh interface |
| * |
| * Returns bt_status_t |
| * |
| ******************************************************************************/ |
| static bt_status_t init(bthh_callbacks_t* callbacks) { |
| uint32_t i; |
| BTIF_TRACE_EVENT("%s", __func__); |
| |
| bt_hh_callbacks = callbacks; |
| memset(&btif_hh_cb, 0, sizeof(btif_hh_cb)); |
| for (i = 0; i < BTIF_HH_MAX_HID; i++) { |
| btif_hh_cb.devices[i].dev_status = BTHH_CONN_STATE_UNKNOWN; |
| } |
| /* Invoke the enable service API to the core to set the appropriate service_id |
| */ |
| btif_enable_service(BTA_HID_SERVICE_ID); |
| return BT_STATUS_SUCCESS; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function connect |
| * |
| * Description connect to hid device |
| * |
| * Returns bt_status_t |
| * |
| ******************************************************************************/ |
| static bt_status_t connect(RawAddress* bd_addr) { |
| if (btif_hh_cb.status != BTIF_HH_DEV_CONNECTING) { |
| btif_transfer_context(btif_hh_handle_evt, BTIF_HH_CONNECT_REQ_EVT, |
| (char*)bd_addr, sizeof(RawAddress), NULL); |
| return BT_STATUS_SUCCESS; |
| } else |
| return BT_STATUS_BUSY; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function disconnect |
| * |
| * Description disconnect from hid device |
| * |
| * Returns bt_status_t |
| * |
| ******************************************************************************/ |
| static bt_status_t disconnect(RawAddress* bd_addr) { |
| CHECK_BTHH_INIT(); |
| BTIF_TRACE_EVENT("BTHH: %s", __func__); |
| btif_hh_device_t* p_dev; |
| |
| if (btif_hh_cb.status == BTIF_HH_DISABLED) { |
| BTIF_TRACE_WARNING("%s: Error, HH status = %d", __func__, |
| btif_hh_cb.status); |
| return BT_STATUS_FAIL; |
| } |
| p_dev = btif_hh_find_connected_dev_by_bda(*bd_addr); |
| if (p_dev != NULL) { |
| return btif_transfer_context(btif_hh_handle_evt, BTIF_HH_DISCONNECT_REQ_EVT, |
| (char*)bd_addr, sizeof(RawAddress), NULL); |
| } else { |
| BTIF_TRACE_WARNING("%s: Error, device not opened.", __func__); |
| return BT_STATUS_FAIL; |
| } |
| } |
| |
| /******************************************************************************* |
| * |
| * Function virtual_unplug |
| * |
| * Description Virtual UnPlug (VUP) the specified HID device. |
| * |
| * Returns bt_status_t |
| * |
| ******************************************************************************/ |
| static bt_status_t virtual_unplug(RawAddress* bd_addr) { |
| CHECK_BTHH_INIT(); |
| BTIF_TRACE_EVENT("BTHH: %s", __func__); |
| btif_hh_device_t* p_dev; |
| char bd_str[18]; |
| snprintf(bd_str, sizeof(bd_str), "%02X:%02X:%02X:%02X:%02X:%02X", |
| bd_addr->address[0], bd_addr->address[1], bd_addr->address[2], |
| bd_addr->address[3], bd_addr->address[4], bd_addr->address[5]); |
| if (btif_hh_cb.status == BTIF_HH_DISABLED) { |
| BTIF_TRACE_ERROR("%s: Error, HH status = %d", __func__, btif_hh_cb.status); |
| return BT_STATUS_FAIL; |
| } |
| p_dev = btif_hh_find_dev_by_bda(*bd_addr); |
| if (!p_dev) { |
| BTIF_TRACE_ERROR("%s: Error, device %s not opened.", __func__, bd_str); |
| return BT_STATUS_FAIL; |
| } |
| btif_transfer_context(btif_hh_handle_evt, BTIF_HH_VUP_REQ_EVT, (char*)bd_addr, |
| sizeof(RawAddress), NULL); |
| return BT_STATUS_SUCCESS; |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function get_idle_time |
| ** |
| ** Description Get the HID idle time |
| ** |
| ** Returns bt_status_t |
| ** |
| *******************************************************************************/ |
| static bt_status_t get_idle_time(RawAddress* bd_addr) { |
| CHECK_BTHH_INIT(); |
| |
| BTIF_TRACE_DEBUG("%s: addr = %s", __func__, bd_addr->ToString().c_str()); |
| |
| if (btif_hh_cb.status == BTIF_HH_DISABLED) { |
| BTIF_TRACE_ERROR("%s: Error, HH status = %d", __func__, btif_hh_cb.status); |
| return BT_STATUS_FAIL; |
| } |
| |
| btif_hh_device_t* p_dev = btif_hh_find_connected_dev_by_bda(*bd_addr); |
| if (p_dev == NULL) return BT_STATUS_FAIL; |
| |
| BTA_HhGetIdle(p_dev->dev_handle); |
| return BT_STATUS_SUCCESS; |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function set_idle_time |
| ** |
| ** Description Set the HID idle time |
| ** |
| ** Returns bt_status_t |
| ** |
| *******************************************************************************/ |
| static bt_status_t set_idle_time(RawAddress* bd_addr, uint8_t idle_time) { |
| CHECK_BTHH_INIT(); |
| |
| BTIF_TRACE_DEBUG("%s: addr = %s, idle time = %d", __func__, |
| bd_addr->ToString().c_str(), idle_time); |
| |
| if (btif_hh_cb.status == BTIF_HH_DISABLED) { |
| BTIF_TRACE_ERROR("%s: Error, HH status = %d", __func__, btif_hh_cb.status); |
| return BT_STATUS_FAIL; |
| } |
| |
| btif_hh_device_t* p_dev = p_dev = btif_hh_find_connected_dev_by_bda(*bd_addr); |
| if (p_dev == NULL) { |
| BTIF_TRACE_WARNING("%s: addr = %s not opened", __func__, |
| bd_addr->ToString().c_str()); |
| return BT_STATUS_FAIL; |
| } |
| |
| BTA_HhSetIdle(p_dev->dev_handle, idle_time); |
| return BT_STATUS_SUCCESS; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function set_info |
| * |
| * Description Set the HID device descriptor for the specified HID device. |
| * |
| * Returns bt_status_t |
| * |
| ******************************************************************************/ |
| static bt_status_t set_info(RawAddress* bd_addr, bthh_hid_info_t hid_info) { |
| CHECK_BTHH_INIT(); |
| tBTA_HH_DEV_DSCP_INFO dscp_info; |
| |
| VLOG(1) << __func__ << " BTHH: addr = " << *bd_addr; |
| BTIF_TRACE_DEBUG( |
| "BTHH: %s: sub_class = 0x%02x, app_id = %d, vendor_id = 0x%04x, " |
| "product_id = 0x%04x, version= 0x%04x", |
| __func__, hid_info.sub_class, hid_info.app_id, hid_info.vendor_id, |
| hid_info.product_id, hid_info.version); |
| |
| if (btif_hh_cb.status == BTIF_HH_DISABLED) { |
| BTIF_TRACE_ERROR("%s: Error, HH status = %d", __func__, btif_hh_cb.status); |
| return BT_STATUS_FAIL; |
| } |
| |
| dscp_info.vendor_id = hid_info.vendor_id; |
| dscp_info.product_id = hid_info.product_id; |
| dscp_info.version = hid_info.version; |
| dscp_info.ctry_code = hid_info.ctry_code; |
| |
| dscp_info.descriptor.dl_len = hid_info.dl_len; |
| dscp_info.descriptor.dsc_list = |
| (uint8_t*)osi_malloc(dscp_info.descriptor.dl_len); |
| memcpy(dscp_info.descriptor.dsc_list, &(hid_info.dsc_list), hid_info.dl_len); |
| |
| if (btif_hh_add_added_dev(*bd_addr, hid_info.attr_mask)) { |
| BTA_HhAddDev(*bd_addr, hid_info.attr_mask, hid_info.sub_class, |
| hid_info.app_id, dscp_info); |
| } |
| |
| osi_free_and_reset((void**)&dscp_info.descriptor.dsc_list); |
| |
| return BT_STATUS_SUCCESS; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function get_protocol |
| * |
| * Description Get the HID proto mode. |
| * |
| * Returns bt_status_t |
| * |
| ******************************************************************************/ |
| static bt_status_t get_protocol(RawAddress* bd_addr, |
| UNUSED_ATTR bthh_protocol_mode_t protocolMode) { |
| CHECK_BTHH_INIT(); |
| |
| VLOG(1) << __func__ << " BTHH: addr = " << *bd_addr; |
| |
| if (btif_hh_cb.status == BTIF_HH_DISABLED) { |
| BTIF_TRACE_ERROR("%s: Error, HH status = %d", __func__, btif_hh_cb.status); |
| return BT_STATUS_FAIL; |
| } |
| |
| btif_hh_device_t* p_dev = btif_hh_find_connected_dev_by_bda(*bd_addr); |
| if (!p_dev) return BT_STATUS_FAIL; |
| |
| BTA_HhGetProtoMode(p_dev->dev_handle); |
| return BT_STATUS_SUCCESS; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function set_protocol |
| * |
| * Description Set the HID proto mode. |
| * |
| * Returns bt_status_t |
| * |
| ******************************************************************************/ |
| static bt_status_t set_protocol(RawAddress* bd_addr, |
| bthh_protocol_mode_t protocolMode) { |
| CHECK_BTHH_INIT(); |
| btif_hh_device_t* p_dev; |
| uint8_t proto_mode = protocolMode; |
| |
| VLOG(1) << __func__ << " BTHH: proto_mod=" << protocolMode |
| << " addr = " << *bd_addr; |
| |
| if (btif_hh_cb.status == BTIF_HH_DISABLED) { |
| BTIF_TRACE_ERROR("%s: Error, HH status = %d", __func__, btif_hh_cb.status); |
| return BT_STATUS_FAIL; |
| } |
| |
| p_dev = btif_hh_find_connected_dev_by_bda(*bd_addr); |
| if (p_dev == NULL) { |
| LOG(WARNING) << " Error, device" << *bd_addr << " not opened"; |
| return BT_STATUS_FAIL; |
| } else if (protocolMode != BTA_HH_PROTO_RPT_MODE && |
| protocolMode != BTA_HH_PROTO_BOOT_MODE) { |
| BTIF_TRACE_WARNING("%s: Error, device proto_mode = %d.", __func__, |
| proto_mode); |
| return BT_STATUS_FAIL; |
| } else { |
| BTA_HhSetProtoMode(p_dev->dev_handle, protocolMode); |
| } |
| |
| return BT_STATUS_SUCCESS; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function get_report |
| * |
| * Description Send a GET_REPORT to HID device. |
| * |
| * Returns bt_status_t |
| * |
| ******************************************************************************/ |
| static bt_status_t get_report(RawAddress* bd_addr, |
| bthh_report_type_t reportType, uint8_t reportId, |
| int bufferSize) { |
| CHECK_BTHH_INIT(); |
| btif_hh_device_t* p_dev; |
| |
| VLOG(1) << __func__ << " BTHH: r_type = " << reportType |
| << ", rpt_id = " << reportId << ", buf_size = " << bufferSize |
| << " addr = " << *bd_addr; |
| |
| if (btif_hh_cb.status == BTIF_HH_DISABLED) { |
| BTIF_TRACE_ERROR("%s: Error, HH status = %d", __func__, btif_hh_cb.status); |
| return BT_STATUS_FAIL; |
| } |
| |
| p_dev = btif_hh_find_connected_dev_by_bda(*bd_addr); |
| if (p_dev == NULL) { |
| LOG(ERROR) << " Error, device" << *bd_addr << " not opened"; |
| return BT_STATUS_FAIL; |
| } else if (((int)reportType) <= BTA_HH_RPTT_RESRV || |
| ((int)reportType) > BTA_HH_RPTT_FEATURE) { |
| LOG(ERROR) << " Error, device" << *bd_addr << " not opened"; |
| return BT_STATUS_FAIL; |
| } else { |
| BTA_HhGetReport(p_dev->dev_handle, reportType, reportId, bufferSize); |
| } |
| |
| return BT_STATUS_SUCCESS; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function set_report |
| * |
| * Description Send a SET_REPORT to HID device. |
| * |
| * Returns bt_status_t |
| * |
| ******************************************************************************/ |
| static bt_status_t set_report(RawAddress* bd_addr, |
| bthh_report_type_t reportType, char* report) { |
| CHECK_BTHH_INIT(); |
| btif_hh_device_t* p_dev; |
| |
| VLOG(1) << __func__ << " BTHH: reportType=" << reportType |
| << " addr=" << *bd_addr; |
| |
| if (btif_hh_cb.status == BTIF_HH_DISABLED) { |
| BTIF_TRACE_ERROR("%s: Error, HH status = %d", __func__, btif_hh_cb.status); |
| return BT_STATUS_FAIL; |
| } |
| |
| p_dev = btif_hh_find_connected_dev_by_bda(*bd_addr); |
| if (p_dev == NULL) { |
| LOG(ERROR) << " Error, device" << *bd_addr << " not opened"; |
| return BT_STATUS_FAIL; |
| } else if (((int)reportType) <= BTA_HH_RPTT_RESRV || |
| ((int)reportType) > BTA_HH_RPTT_FEATURE) { |
| LOG(ERROR) << " Error, device" << *bd_addr << " not opened"; |
| return BT_STATUS_FAIL; |
| } else { |
| int hex_bytes_filled; |
| size_t len = (strlen(report) + 1) / 2; |
| uint8_t* hexbuf = (uint8_t*)osi_calloc(len); |
| |
| /* Build a SetReport data buffer */ |
| // TODO |
| hex_bytes_filled = ascii_2_hex(report, len, hexbuf); |
| LOG_INFO(LOG_TAG, "Hex bytes filled, hex value: %d", hex_bytes_filled); |
| if (hex_bytes_filled) { |
| BT_HDR* p_buf = create_pbuf(hex_bytes_filled, hexbuf); |
| if (p_buf == NULL) { |
| BTIF_TRACE_ERROR("%s: Error, failed to allocate RPT buffer, len = %d", |
| __func__, hex_bytes_filled); |
| osi_free(hexbuf); |
| return BT_STATUS_FAIL; |
| } |
| BTA_HhSetReport(p_dev->dev_handle, reportType, p_buf); |
| osi_free(hexbuf); |
| return BT_STATUS_SUCCESS; |
| } |
| osi_free(hexbuf); |
| return BT_STATUS_FAIL; |
| } |
| } |
| |
| /******************************************************************************* |
| * |
| * Function send_data |
| * |
| * Description Send a SEND_DATA to HID device. |
| * |
| * Returns bt_status_t |
| * |
| ******************************************************************************/ |
| static bt_status_t send_data(RawAddress* bd_addr, char* data) { |
| CHECK_BTHH_INIT(); |
| btif_hh_device_t* p_dev; |
| |
| VLOG(1) << __func__ << " addr=" << *bd_addr; |
| |
| if (btif_hh_cb.status == BTIF_HH_DISABLED) { |
| BTIF_TRACE_ERROR("%s: Error, HH status = %d", __func__, btif_hh_cb.status); |
| return BT_STATUS_FAIL; |
| } |
| |
| p_dev = btif_hh_find_connected_dev_by_bda(*bd_addr); |
| if (p_dev == NULL) { |
| LOG(ERROR) << " Error, device" << *bd_addr << " not opened"; |
| return BT_STATUS_FAIL; |
| } |
| |
| else { |
| int hex_bytes_filled; |
| size_t len = (strlen(data) + 1) / 2; |
| uint8_t* hexbuf = (uint8_t*)osi_calloc(len); |
| |
| /* Build a SendData data buffer */ |
| hex_bytes_filled = ascii_2_hex(data, len, hexbuf); |
| BTIF_TRACE_ERROR("Hex bytes filled, hex value: %d, %d", hex_bytes_filled, |
| len); |
| |
| if (hex_bytes_filled) { |
| BT_HDR* p_buf = create_pbuf(hex_bytes_filled, hexbuf); |
| if (p_buf == NULL) { |
| BTIF_TRACE_ERROR("%s: Error, failed to allocate RPT buffer, len = %d", |
| __func__, hex_bytes_filled); |
| osi_free(hexbuf); |
| return BT_STATUS_FAIL; |
| } |
| p_buf->layer_specific = BTA_HH_RPTT_OUTPUT; |
| BTA_HhSendData(p_dev->dev_handle, *bd_addr, p_buf); |
| osi_free(hexbuf); |
| return BT_STATUS_SUCCESS; |
| } |
| osi_free(hexbuf); |
| return BT_STATUS_FAIL; |
| } |
| } |
| |
| /******************************************************************************* |
| * |
| * Function cleanup |
| * |
| * Description Closes the HH interface |
| * |
| * Returns bt_status_t |
| * |
| ******************************************************************************/ |
| static void cleanup(void) { |
| BTIF_TRACE_EVENT("%s", __func__); |
| btif_hh_device_t* p_dev; |
| int i; |
| if (btif_hh_cb.status == BTIF_HH_DISABLED) { |
| BTIF_TRACE_WARNING("%s: HH disabling or disabled already, status = %d", |
| __func__, btif_hh_cb.status); |
| return; |
| } |
| if (bt_hh_callbacks) { |
| btif_hh_cb.status = BTIF_HH_DISABLING; |
| /* update flag, not to enable hid device service now as BT is switching off |
| */ |
| btif_hh_cb.service_dereg_active = FALSE; |
| btif_disable_service(BTA_HID_SERVICE_ID); |
| bt_hh_callbacks = NULL; |
| } |
| for (i = 0; i < BTIF_HH_MAX_HID; i++) { |
| p_dev = &btif_hh_cb.devices[i]; |
| if (p_dev->dev_status != BTHH_CONN_STATE_UNKNOWN && p_dev->fd >= 0) { |
| BTIF_TRACE_DEBUG("%s: Closing uhid fd = %d", __func__, p_dev->fd); |
| if (p_dev->fd >= 0) { |
| bta_hh_co_destroy(p_dev->fd); |
| p_dev->fd = -1; |
| } |
| p_dev->hh_keep_polling = 0; |
| p_dev->hh_poll_thread_id = -1; |
| } |
| } |
| |
| } |
| |
| static const bthh_interface_t bthhInterface = { |
| sizeof(bthhInterface), |
| init, |
| connect, |
| disconnect, |
| virtual_unplug, |
| set_info, |
| get_protocol, |
| set_protocol, |
| get_idle_time, |
| set_idle_time, |
| get_report, |
| set_report, |
| send_data, |
| cleanup, |
| }; |
| |
| /******************************************************************************* |
| * |
| * Function btif_hh_execute_service |
| * |
| * Description Initializes/Shuts down the service |
| * |
| * Returns BT_STATUS_SUCCESS on success, BT_STATUS_FAIL otherwise |
| * |
| ******************************************************************************/ |
| bt_status_t btif_hh_execute_service(bool b_enable) { |
| if (b_enable) { |
| /* Enable and register with BTA-HH */ |
| BTA_HhEnable(BTUI_HH_SECURITY, bte_hh_evt); |
| } else { |
| /* Disable HH */ |
| BTA_HhDisable(); |
| } |
| return BT_STATUS_SUCCESS; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function btif_hh_get_interface |
| * |
| * Description Get the hh callback interface |
| * |
| * Returns bthh_interface_t |
| * |
| ******************************************************************************/ |
| const bthh_interface_t* btif_hh_get_interface() { |
| BTIF_TRACE_EVENT("%s", __func__); |
| return &bthhInterface; |
| } |
