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chromium / aosp / platform / system / bt / 46b8d12b92e74dc03cd17a77a3365cd4d96902f4 / . / bta / hh / bta_hh_le.c
blob: d115d8710e2944086242a175a47a3b34809c5f02 [file] [log] [blame]
/******************************************************************************
*
* Copyright (C) 2009-2013 Broadcom Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
#define LOG_TAG "bt_bta_hh"
#include "bta_api.h"
#include "bta_hh_int.h"
#if (defined BTA_HH_LE_INCLUDED && BTA_HH_LE_INCLUDED == TRUE)
#include <string.h>
#include "bta_api.h"
#include "bta_gatt_api.h"
#include "bta_hh_co.h"
#include "btm_api.h"
#include "btm_ble_api.h"
#include "btm_int.h"
#include "osi/include/log.h"
#include "srvc_api.h"
#include "stack/include/l2c_api.h"
#include "utl.h"
#ifndef BTA_HH_LE_RECONN
#define BTA_HH_LE_RECONN TRUE
#endif
#define BTA_HH_APP_ID_LE 0xff
#define BTA_HH_LE_RPT_TYPE_VALID(x) ((x) <= BTA_LE_HID_RPT_FEATURE && (x)>=BTA_LE_HID_RPT_INPUT)
#define BTA_HH_LE_PROTO_BOOT_MODE 0x00
#define BTA_HH_LE_PROTO_REPORT_MODE 0x01
#define BTA_LE_HID_RTP_UUID_MAX 5
static const UINT16 bta_hh_uuid_to_rtp_type[BTA_LE_HID_RTP_UUID_MAX][2] =
{
{GATT_UUID_HID_REPORT, BTA_HH_RPTT_INPUT},
{GATT_UUID_HID_BT_KB_INPUT, BTA_HH_RPTT_INPUT},
{GATT_UUID_HID_BT_KB_OUTPUT, BTA_HH_RPTT_OUTPUT},
{GATT_UUID_HID_BT_MOUSE_INPUT, BTA_HH_RPTT_INPUT},
{GATT_UUID_BATTERY_LEVEL, BTA_HH_RPTT_INPUT}
};
static void bta_hh_gattc_callback(tBTA_GATTC_EVT event, tBTA_GATTC *p_data);
static void bta_hh_le_register_scpp_notif(tBTA_HH_DEV_CB *p_dev_cb, tBTA_GATT_STATUS status);
static void bta_hh_le_register_scpp_notif_cmpl(tBTA_HH_DEV_CB *p_dev_cb, tBTA_GATT_STATUS status);
static void bta_hh_le_add_dev_bg_conn(tBTA_HH_DEV_CB *p_cb, BOOLEAN check_bond);
//TODO(jpawlowski): uncomment when fixed
// static void bta_hh_process_cache_rpt (tBTA_HH_DEV_CB *p_cb,
// tBTA_HH_RPT_CACHE_ENTRY *p_rpt_cache,
// UINT8 num_rpt);
#define GATT_READ_CHAR 0
#define GATT_READ_DESC 1
#define GATT_WRITE_CHAR 2
#define GATT_WRITE_DESC 3
/* Holds pending GATT operations */
typedef struct {
UINT8 type;
UINT16 conn_id;
UINT16 handle;
/* write-specific fields */
tBTA_GATTC_WRITE_TYPE write_type;
UINT16 len;
UINT8 p_value[GATT_MAX_ATTR_LEN];
} gatt_operation;
static list_t *gatt_op_queue = NULL; // list of gatt_operation
static list_t *gatt_op_queue_executing = NULL; // list of UINT16 connection ids that currently execute
static void mark_as_executing(UINT16 conn_id) {
UINT16 *executing_conn_id = osi_malloc(sizeof(UINT16));
*executing_conn_id = conn_id;
if (!gatt_op_queue_executing)
gatt_op_queue_executing = list_new(osi_free);
list_append(gatt_op_queue_executing, executing_conn_id);
}
static bool rm_exec_conn_id(void *data, void *context) {
UINT16 *conn_id = context;
UINT16 *conn_id2 = data;
if (*conn_id == *conn_id2)
list_remove(gatt_op_queue_executing, data);
return TRUE;
}
static void mark_as_not_executing(UINT16 conn_id) {
if (gatt_op_queue_executing)
list_foreach(gatt_op_queue_executing, rm_exec_conn_id, &conn_id);
}
static bool exec_list_contains(void *data, void *context) {
UINT16 *conn_id = context;
UINT16 *conn_id2 = data;
if (*conn_id == *conn_id2)
return FALSE;
return TRUE;
}
static bool rm_op_by_conn_id(void *data, void *context) {
UINT16 *conn_id = context;
gatt_operation *op = data;
if(op->conn_id == *conn_id)
list_remove(gatt_op_queue, data);
return TRUE;
}
static void gatt_op_queue_clean(UINT16 conn_id) {
if (gatt_op_queue)
list_foreach(gatt_op_queue, rm_op_by_conn_id, &conn_id);
}
static bool find_op_by_conn_id(void *data, void *context) {
UINT16 *conn_id = context;
gatt_operation *op = data;
if(op->conn_id == *conn_id)
return FALSE;
return TRUE;
}
static void gatt_execute_next_op(UINT16 conn_id) {
APPL_TRACE_DEBUG("%s:", __func__, conn_id);
if (!gatt_op_queue || list_is_empty(gatt_op_queue)) {
APPL_TRACE_DEBUG("%s: op queue is empty", __func__);
return;
}
list_node_t *op_node = list_foreach(gatt_op_queue, find_op_by_conn_id, &conn_id);
if (op_node == NULL) {
APPL_TRACE_DEBUG("%s: no more operations queued for conn_id %d", __func__, conn_id);
return;
}
gatt_operation *op = list_node(op_node);
if (gatt_op_queue_executing && list_foreach(gatt_op_queue_executing, exec_list_contains, &conn_id)) {
APPL_TRACE_DEBUG("%s: can't enqueue next op, already executing", __func__);
return;
}
if (op->type == GATT_READ_CHAR) {
const tBTA_GATTC_CHARACTERISTIC *p_char = BTA_GATTC_GetCharacteristic(op->conn_id, op->handle);
mark_as_executing(conn_id);
BTA_GATTC_ReadCharacteristic(op->conn_id, p_char->handle, BTA_GATT_AUTH_REQ_NONE);
list_remove(gatt_op_queue, op);
} else if (op->type == GATT_READ_DESC) {
const tBTA_GATTC_DESCRIPTOR *p_desc = BTA_GATTC_GetDescriptor(op->conn_id, op->handle);
mark_as_executing(conn_id);
BTA_GATTC_ReadCharDescr(op->conn_id, p_desc->handle, BTA_GATT_AUTH_REQ_NONE);
list_remove(gatt_op_queue, op);
} else if (op->type == GATT_WRITE_CHAR) {
const tBTA_GATTC_CHARACTERISTIC *p_char = BTA_GATTC_GetCharacteristic(op->conn_id, op->handle);
mark_as_executing(conn_id);
BTA_GATTC_WriteCharValue(op->conn_id, p_char->handle, op->write_type, op->len,
op->p_value, BTA_GATT_AUTH_REQ_NONE);
list_remove(gatt_op_queue, op);
} else if (op->type == GATT_WRITE_DESC) {
const tBTA_GATTC_DESCRIPTOR *p_desc = BTA_GATTC_GetDescriptor(op->conn_id, op->handle);
tBTA_GATT_UNFMT value;
value.len = op->len;
value.p_value = op->p_value;
mark_as_executing(conn_id);
BTA_GATTC_WriteCharDescr(op->conn_id, p_desc->handle, BTA_GATTC_TYPE_WRITE,
&value, BTA_GATT_AUTH_REQ_NONE);
list_remove(gatt_op_queue, op);
}
}
static void gatt_queue_read_op(UINT8 op_type, UINT16 conn_id, UINT16 handle) {
if (gatt_op_queue == NULL) {
gatt_op_queue = list_new(osi_free);
}
gatt_operation *op = osi_malloc(sizeof(gatt_operation));
op->type = op_type;
op->conn_id = conn_id;
op->handle = handle;
list_append(gatt_op_queue, op);
gatt_execute_next_op(conn_id);
}
static void gatt_queue_write_op(UINT8 op_type, UINT16 conn_id, UINT16 handle, UINT16 len,
UINT8 *p_value, tBTA_GATTC_WRITE_TYPE write_type) {
if (gatt_op_queue == NULL) {
gatt_op_queue = list_new(osi_free);
}
gatt_operation *op = osi_malloc(sizeof(gatt_operation));
op->type = op_type;
op->conn_id = conn_id;
op->handle = handle;
op->write_type = write_type;
op->len = len;
memcpy(op->p_value, p_value, len);
list_append(gatt_op_queue, op);
gatt_execute_next_op(conn_id);
}
#if BTA_HH_DEBUG == TRUE
static const char *bta_hh_le_rpt_name[4] =
{
"UNKNOWN",
"INPUT",
"OUTPUT",
"FEATURE"
};
/*******************************************************************************
**
** Function bta_hh_le_hid_report_dbg
**
** Description debug function to print out all HID report available on remote
** device.
**
** Returns void
**
*******************************************************************************/
static void bta_hh_le_hid_report_dbg(tBTA_HH_DEV_CB *p_cb)
{
APPL_TRACE_DEBUG("%s: HID Report DB", __func__);
if (!p_cb->hid_srvc.in_use)
return;
tBTA_HH_LE_RPT *p_rpt = &p_cb->hid_srvc.report[0];
for (int j = 0; j < BTA_HH_LE_RPT_MAX; j ++, p_rpt++)
{
char * rpt_name = "Unknown";
if (!p_rpt->in_use)
break;
if (p_rpt->uuid == GATT_UUID_HID_REPORT)
rpt_name = "Report";
if (p_rpt->uuid == GATT_UUID_HID_BT_KB_INPUT)
rpt_name = "Boot KB Input";
if (p_rpt->uuid == GATT_UUID_HID_BT_KB_OUTPUT)
rpt_name = "Boot KB Output";
if (p_rpt->uuid == GATT_UUID_HID_BT_MOUSE_INPUT)
rpt_name = "Boot MI Input";
APPL_TRACE_DEBUG("\t\t [%s- 0x%04x] [Type: %s], [ReportID: %d] [srvc_inst_id: %d] [char_inst_id: %d] [Clt_cfg: %d]",
rpt_name,
p_rpt->uuid ,
((p_rpt->rpt_type < 4) ? bta_hh_le_rpt_name[p_rpt->rpt_type] : "UNKNOWN"),
p_rpt->rpt_id,
p_rpt->srvc_inst_id,
p_rpt->char_inst_id,
p_rpt->client_cfg_value);
}
}
/*******************************************************************************
**
** Function bta_hh_uuid_to_str
**
** Description
**
** Returns void
**
*******************************************************************************/
static char *bta_hh_uuid_to_str(UINT16 uuid)
{
switch(uuid)
{
case GATT_UUID_HID_INFORMATION:
return "GATT_UUID_HID_INFORMATION";
case GATT_UUID_HID_REPORT_MAP:
return "GATT_UUID_HID_REPORT_MAP";
case GATT_UUID_HID_CONTROL_POINT:
return "GATT_UUID_HID_CONTROL_POINT";
case GATT_UUID_HID_REPORT:
return "GATT_UUID_HID_REPORT";
case GATT_UUID_HID_PROTO_MODE:
return "GATT_UUID_HID_PROTO_MODE";
case GATT_UUID_HID_BT_KB_INPUT:
return "GATT_UUID_HID_BT_KB_INPUT";
case GATT_UUID_HID_BT_KB_OUTPUT:
return "GATT_UUID_HID_BT_KB_OUTPUT";
case GATT_UUID_HID_BT_MOUSE_INPUT:
return "GATT_UUID_HID_BT_MOUSE_INPUT";
case GATT_UUID_CHAR_CLIENT_CONFIG:
return "GATT_UUID_CHAR_CLIENT_CONFIG";
case GATT_UUID_EXT_RPT_REF_DESCR:
return "GATT_UUID_EXT_RPT_REF_DESCR";
case GATT_UUID_RPT_REF_DESCR:
return "GATT_UUID_RPT_REF_DESCR";
default:
return "Unknown UUID";
}
}
#endif
/*******************************************************************************
**
** Function bta_hh_le_enable
**
** Description initialize LE HID related functionality
**
**
** Returns void
**
*******************************************************************************/
void bta_hh_le_enable(void)
{
char app_name[LEN_UUID_128 + 1];
tBT_UUID app_uuid = {LEN_UUID_128,{0}};
UINT8 xx;
bta_hh_cb.gatt_if = BTA_GATTS_INVALID_IF;
for (xx = 0; xx < BTA_HH_MAX_DEVICE; xx ++)
bta_hh_cb.le_cb_index[xx] = BTA_HH_IDX_INVALID;
memset (app_name, 0, LEN_UUID_128 + 1);
strncpy(app_name, "BTA HH OVER LE", LEN_UUID_128);
memcpy((void *)app_uuid.uu.uuid128, (void *)app_name, LEN_UUID_128);
BTA_GATTC_AppRegister(&app_uuid, bta_hh_gattc_callback);
return;
}
/*******************************************************************************
**
** Function bta_hh_le_register_cmpl
**
** Description BTA HH register with BTA GATTC completed
**
** Parameters:
**
*******************************************************************************/
void bta_hh_le_register_cmpl(tBTA_GATTC_REG *p_reg)
{
tBTA_HH_STATUS status = BTA_HH_ERR;
if (p_reg->status == BTA_GATT_OK)
{
bta_hh_cb.gatt_if = p_reg->client_if;
status = BTA_HH_OK;
}
else
bta_hh_cb.gatt_if = BTA_GATTS_INVALID_IF;
/* signal BTA call back event */
(* bta_hh_cb.p_cback)(BTA_HH_ENABLE_EVT, (tBTA_HH *)&status);
}
/*******************************************************************************
**
** Function bta_hh_le_is_hh_gatt_if
**
** Description Check to see if client_if is BTA HH LE GATT interface
**
**
** Returns whether it is HH GATT IF
**
*******************************************************************************/
BOOLEAN bta_hh_le_is_hh_gatt_if(tBTA_GATTC_IF client_if)
{
return (bta_hh_cb.gatt_if == client_if);
}
/*******************************************************************************
**
** Function bta_hh_le_deregister
**
** Description De-register BTA HH from BTA GATTC
**
**
** Returns void
**
*******************************************************************************/
void bta_hh_le_deregister(void)
{
BTA_GATTC_AppDeregister(bta_hh_cb.gatt_if);
}
/*******************************************************************************
**
** Function bta_hh_is_le_device
**
** Description Check to see if the remote device is a LE only device
**
** Parameters:
**
*******************************************************************************/
BOOLEAN bta_hh_is_le_device(tBTA_HH_DEV_CB *p_cb, BD_ADDR remote_bda)
{
p_cb->is_le_device = BTM_UseLeLink (remote_bda);
return p_cb->is_le_device;
}
/*******************************************************************************
**
** Function bta_hh_le_open_conn
**
** Description open a GATT connection first.
**
** Parameters:
**
*******************************************************************************/
void bta_hh_le_open_conn(tBTA_HH_DEV_CB *p_cb, BD_ADDR remote_bda)
{
/* update cb_index[] map */
p_cb->hid_handle = BTA_HH_GET_LE_DEV_HDL(p_cb->index);
memcpy(p_cb->addr, remote_bda, BD_ADDR_LEN);
bta_hh_cb.le_cb_index[BTA_HH_GET_LE_CB_IDX(p_cb->hid_handle)] = p_cb->index;
p_cb->in_use = TRUE;
BTA_GATTC_Open(bta_hh_cb.gatt_if, remote_bda, TRUE, BTA_GATT_TRANSPORT_LE);
}
/*******************************************************************************
**
** Function bta_hh_le_find_dev_cb_by_conn_id
**
** Description Utility function find a device control block by connection ID.
**
*******************************************************************************/
tBTA_HH_DEV_CB * bta_hh_le_find_dev_cb_by_conn_id(UINT16 conn_id)
{
UINT8 i;
tBTA_HH_DEV_CB *p_dev_cb = &bta_hh_cb.kdev[0];
for (i = 0; i < BTA_HH_MAX_DEVICE; i ++, p_dev_cb ++)
{
if (p_dev_cb->in_use && p_dev_cb->conn_id == conn_id)
return p_dev_cb;
}
return NULL;
}
/*******************************************************************************
**
** Function bta_hh_le_find_dev_cb_by_bda
**
** Description Utility function find a device control block by BD address.
**
*******************************************************************************/
tBTA_HH_DEV_CB * bta_hh_le_find_dev_cb_by_bda(BD_ADDR bda)
{
UINT8 i;
tBTA_HH_DEV_CB *p_dev_cb = &bta_hh_cb.kdev[0];
for (i = 0; i < BTA_HH_MAX_DEVICE; i ++, p_dev_cb ++)
{
if (p_dev_cb->in_use &&
memcmp(p_dev_cb->addr, bda, BD_ADDR_LEN) == 0)
return p_dev_cb;
}
return NULL;
}
/*******************************************************************************
**
** Function bta_hh_le_find_service_inst_by_battery_inst_id
**
** Description find HID service instance ID by battery service instance ID
**
*******************************************************************************/
UINT8 bta_hh_le_find_service_inst_by_battery_inst_id(tBTA_HH_DEV_CB *p_cb, UINT8 ba_inst_id)
{
if (p_cb->hid_srvc.in_use &&
p_cb->hid_srvc.incl_srvc_inst == ba_inst_id)
{
return p_cb->hid_srvc.srvc_inst_id;
}
return BTA_HH_IDX_INVALID;
}
/*******************************************************************************
**
** Function bta_hh_le_find_report_entry
**
** Description find the report entry by service instance and report UUID and
** instance ID
**
*******************************************************************************/
tBTA_HH_LE_RPT * bta_hh_le_find_report_entry(tBTA_HH_DEV_CB *p_cb,
UINT8 srvc_inst_id, /* service instance ID */
UINT16 rpt_uuid,
UINT8 char_inst_id)
{
UINT8 i;
UINT8 hid_inst_id = srvc_inst_id;
tBTA_HH_LE_RPT *p_rpt;
if (rpt_uuid == GATT_UUID_BATTERY_LEVEL)
{
hid_inst_id = bta_hh_le_find_service_inst_by_battery_inst_id(p_cb, srvc_inst_id);
if (hid_inst_id == BTA_HH_IDX_INVALID)
return NULL;
}
p_rpt = &p_cb->hid_srvc.report[0];
for (i = 0; i < BTA_HH_LE_RPT_MAX; i ++, p_rpt ++)
{
if (p_rpt->uuid == rpt_uuid &&
p_rpt->srvc_inst_id == srvc_inst_id &&
p_rpt->char_inst_id == char_inst_id)
{
return p_rpt;
}
}
return NULL;
}
/*******************************************************************************
**
** Function bta_hh_le_find_rpt_by_idtype
**
** Description find a report entry by report ID and protocol mode
**
** Returns void
**
*******************************************************************************/
tBTA_HH_LE_RPT * bta_hh_le_find_rpt_by_idtype(tBTA_HH_LE_RPT*p_head, UINT8 mode,
tBTA_HH_RPT_TYPE r_type, UINT8 rpt_id)
{
tBTA_HH_LE_RPT *p_rpt = p_head;
UINT8 i;
#if BTA_HH_DEBUG == TRUE
APPL_TRACE_DEBUG("bta_hh_le_find_rpt_by_idtype: r_type: %d rpt_id: %d", r_type, rpt_id);
#endif
for (i = 0 ; i < BTA_HH_LE_RPT_MAX; i ++, p_rpt++)
{
if (p_rpt->in_use && p_rpt->rpt_id == rpt_id && r_type == p_rpt->rpt_type)
{
/* return battery report w/o condition */
if (p_rpt->uuid == GATT_UUID_BATTERY_LEVEL)
return p_rpt;
if (mode == BTA_HH_PROTO_RPT_MODE && p_rpt->uuid == GATT_UUID_HID_REPORT)
return p_rpt;
if ( mode ==BTA_HH_PROTO_BOOT_MODE &&
(p_rpt->uuid >= GATT_UUID_HID_BT_KB_INPUT && p_rpt->uuid <= GATT_UUID_HID_BT_MOUSE_INPUT))
return p_rpt;
}
}
return NULL;
}
/*******************************************************************************
**
** Function bta_hh_le_find_alloc_report_entry
**
** Description find or allocate a report entry in the HID service report list.
**
*******************************************************************************/
tBTA_HH_LE_RPT * bta_hh_le_find_alloc_report_entry(tBTA_HH_DEV_CB *p_cb,
UINT8 srvc_inst_id,
UINT16 rpt_uuid,
UINT8 inst_id)
{
UINT8 i, hid_inst_id = srvc_inst_id;
tBTA_HH_LE_RPT *p_rpt;
if (rpt_uuid == GATT_UUID_BATTERY_LEVEL)
{
hid_inst_id = bta_hh_le_find_service_inst_by_battery_inst_id(p_cb, srvc_inst_id);
if (hid_inst_id == BTA_HH_IDX_INVALID)
return NULL;
}
p_rpt = &p_cb->hid_srvc.report[0];
for (i = 0; i < BTA_HH_LE_RPT_MAX; i ++, p_rpt ++)
{
if (!p_rpt->in_use ||
(p_rpt->uuid == rpt_uuid &&
p_rpt->srvc_inst_id == srvc_inst_id &&
p_rpt->char_inst_id == inst_id))
{
if (!p_rpt->in_use)
{
p_rpt->in_use = TRUE;
p_rpt->index = i;
p_rpt->srvc_inst_id = srvc_inst_id;
p_rpt->char_inst_id = inst_id;
p_rpt->uuid = rpt_uuid;
/* assign report type */
for (i = 0; i < BTA_LE_HID_RTP_UUID_MAX; i ++)
{
if (bta_hh_uuid_to_rtp_type[i][0] == rpt_uuid)
{
p_rpt->rpt_type = (tBTA_HH_RPT_TYPE)bta_hh_uuid_to_rtp_type[i][1];
if (rpt_uuid == GATT_UUID_HID_BT_KB_INPUT || rpt_uuid == GATT_UUID_HID_BT_KB_OUTPUT)
p_rpt->rpt_id = BTA_HH_KEYBD_RPT_ID;
if (rpt_uuid == GATT_UUID_HID_BT_MOUSE_INPUT)
p_rpt->rpt_id = BTA_HH_MOUSE_RPT_ID;
break;
}
}
}
return p_rpt;
}
}
return NULL;
}
static tBTA_GATTC_DESCRIPTOR *find_descriptor_by_short_uuid(UINT16 conn_id,
UINT16 char_handle,
UINT16 short_uuid) {
const tBTA_GATTC_CHARACTERISTIC *p_char =
BTA_GATTC_GetCharacteristic(conn_id, char_handle);
if (!p_char) {
LOG_WARN(LOG_TAG, "%s No such characteristic: %d", __func__, char_handle);
return NULL;
}
if (!p_char->descriptors || list_is_empty(p_char->descriptors))
return NULL;
for (list_node_t *dn = list_begin(p_char->descriptors);
dn != list_end(p_char->descriptors); dn = list_next(dn)) {
tBTA_GATTC_DESCRIPTOR *p_desc = list_node(dn);
if (p_char->uuid.len == LEN_UUID_16 &&
p_desc->uuid.uu.uuid16 == short_uuid)
return p_desc;
}
return NULL;
}
/*******************************************************************************
**
** Function bta_hh_le_read_char_dscrpt
**
** Description read characteristic descriptor
**
*******************************************************************************/
static tBTA_HH_STATUS bta_hh_le_read_char_dscrpt(tBTA_HH_DEV_CB *p_cb, UINT16 char_handle, UINT16 short_uuid)
{
const tBTA_GATTC_DESCRIPTOR *p_desc = find_descriptor_by_short_uuid(p_cb->conn_id, char_handle, short_uuid);
if (!p_desc)
return BTA_HH_ERR;
gatt_queue_read_op(GATT_READ_DESC, p_cb->conn_id, p_desc->handle);
return BTA_HH_OK;
}
/*******************************************************************************
**
** Function bta_hh_le_save_rpt_ref
**
** Description save report reference information and move to next one.
**
** Parameters:
**
*******************************************************************************/
void bta_hh_le_save_rpt_ref(tBTA_HH_DEV_CB *p_dev_cb, tBTA_HH_LE_RPT *p_rpt,
tBTA_GATTC_READ *p_data)
{
/* if the length of the descriptor value is right, parse it */
if (p_data->status == BTA_GATT_OK &&
p_data->p_value && p_data->p_value->len == 2)
{
UINT8 *pp = p_data->p_value->p_value;
STREAM_TO_UINT8(p_rpt->rpt_id, pp);
STREAM_TO_UINT8(p_rpt->rpt_type, pp);
if (p_rpt->rpt_type > BTA_HH_RPTT_FEATURE) /* invalid report type */
p_rpt->rpt_type = BTA_HH_RPTT_RESRV;
#if BTA_HH_DEBUG == TRUE
APPL_TRACE_DEBUG("%s: report ID: %d", __func__, p_rpt->rpt_id);
#endif
tBTA_HH_RPT_CACHE_ENTRY rpt_entry;
rpt_entry.rpt_id = p_rpt->rpt_id;
rpt_entry.rpt_type = p_rpt->rpt_type;
rpt_entry.rpt_uuid = p_rpt->uuid;
rpt_entry.srvc_inst_id = p_rpt->srvc_inst_id;
rpt_entry.char_inst_id = p_rpt->char_inst_id;
bta_hh_le_co_rpt_info(p_dev_cb->addr,
&rpt_entry,
p_dev_cb->app_id);
}
else if (p_data->status == BTA_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 (p_rpt->index < BTA_HH_LE_RPT_MAX - 1)
p_rpt ++;
else
p_rpt = NULL;
}
/*******************************************************************************
**
** Function bta_hh_le_save_rpt_ref
**
** Description save report reference information and move to next one.
**
** Parameters:
**
*******************************************************************************/
void bta_hh_le_save_ext_rpt_ref(tBTA_HH_DEV_CB *p_dev_cb,
tBTA_GATTC_READ *p_data)
{
/* if the length of the descriptor value is right, parse it
assume it's a 16 bits UUID */
if (p_data->status == BTA_GATT_OK &&
p_data->p_value && p_data->p_value->len == 2) {
UINT8 *pp = p_data->p_value->p_value;
STREAM_TO_UINT16(p_dev_cb->hid_srvc.ext_rpt_ref, pp);
#if BTA_HH_DEBUG == TRUE
APPL_TRACE_DEBUG("%s: External Report Reference UUID 0x%04x", __func__,
p_dev_cb->hid_srvc.ext_rpt_ref);
#endif
}
}
/*******************************************************************************
**
** Function bta_hh_le_register_input_notif
**
** Description Register for all notifications for the report applicable
** for the protocol mode.
**
** Parameters:
**
*******************************************************************************/
void bta_hh_le_register_input_notif(tBTA_HH_DEV_CB *p_dev_cb, UINT8 proto_mode, BOOLEAN register_ba)
{
tBTA_HH_LE_RPT *p_rpt = &p_dev_cb->hid_srvc.report[0];
#if BTA_HH_DEBUG == TRUE
APPL_TRACE_DEBUG("%s: bta_hh_le_register_input_notif mode: %d", __func__, proto_mode);
#endif
for (int i = 0; i < BTA_HH_LE_RPT_MAX; i ++, p_rpt ++)
{
if (p_rpt->rpt_type == BTA_HH_RPTT_INPUT)
{
if (register_ba && p_rpt->uuid == GATT_UUID_BATTERY_LEVEL)
{
BTA_GATTC_RegisterForNotifications(bta_hh_cb.gatt_if, p_dev_cb->addr,
p_rpt->char_inst_id);
}
/* boot mode, deregister report input notification */
else if (proto_mode == BTA_HH_PROTO_BOOT_MODE)
{
if (p_rpt->uuid == GATT_UUID_HID_REPORT &&
p_rpt->client_cfg_value == BTA_GATT_CLT_CONFIG_NOTIFICATION)
{
APPL_TRACE_DEBUG("---> Deregister Report ID: %d", 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("<--- Register Boot Report ID: %d", 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 == BTA_GATT_CLT_CONFIG_NOTIFICATION)
{
APPL_TRACE_DEBUG("---> Deregister Boot Report ID: %d", 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 == BTA_GATT_CLT_CONFIG_NOTIFICATION)
{
APPL_TRACE_DEBUG("<--- Register Report ID: %d", 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_open_cmpl
**
** Description HID over GATT connection sucessfully opened
**
*******************************************************************************/
void bta_hh_le_open_cmpl(tBTA_HH_DEV_CB *p_cb)
{
if ( p_cb->disc_active == BTA_HH_LE_DISC_NONE)
{
#if BTA_HH_DEBUG
bta_hh_le_hid_report_dbg(p_cb);
#endif
bta_hh_le_register_input_notif(p_cb, p_cb->mode, TRUE);
bta_hh_sm_execute(p_cb, BTA_HH_OPEN_CMPL_EVT, NULL);
#if (BTA_HH_LE_RECONN == TRUE)
if (p_cb->status == BTA_HH_OK)
{
bta_hh_le_add_dev_bg_conn(p_cb, TRUE);
}
#endif
}
}
/*******************************************************************************
**
** Function bta_hh_le_write_char_clt_cfg
**
** Description Utility function to find and write client configuration of
** a characteristic
**
*******************************************************************************/
BOOLEAN bta_hh_le_write_char_clt_cfg(tBTA_HH_DEV_CB *p_cb,
UINT8 char_handle,
UINT16 clt_cfg_value)
{
UINT8 buf[2], *pp = buf;
tBTA_GATTC_DESCRIPTOR *p_desc = find_descriptor_by_short_uuid(p_cb->conn_id,
char_handle, GATT_UUID_CHAR_CLIENT_CONFIG);
if (!p_desc)
return FALSE;
UINT16_TO_STREAM(pp, clt_cfg_value);
gatt_queue_write_op(GATT_WRITE_DESC, p_cb->conn_id,
p_desc->handle, 2, buf, BTA_GATTC_TYPE_WRITE);
return TRUE;
}
/*******************************************************************************
**
** 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.
**
*******************************************************************************/
BOOLEAN bta_hh_le_write_rpt_clt_cfg(tBTA_HH_DEV_CB *p_cb, UINT8 srvc_inst_id)
{
UINT8 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_char_clt_cfg(p_cb,
p_rpt->char_inst_id,
BTA_GATT_CLT_CONFIG_NOTIFICATION))
{
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;
}
/*******************************************************************************
**
** Function bta_hh_le_set_protocol_mode
**
** Description Set remote device protocol mode.
**
*******************************************************************************/
BOOLEAN bta_hh_le_set_protocol_mode(tBTA_HH_DEV_CB *p_cb, tBTA_HH_PROTO_MODE mode)
{
tBTA_HH_CBDATA cback_data;
BOOLEAN exec = FALSE;
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;
gatt_queue_write_op(GATT_WRITE_CHAR, p_cb->conn_id, p_cb->hid_srvc.proto_mode_handle, 1,
&mode, BTA_GATTC_TYPE_WRITE_NO_RSP);
exec = TRUE;
}
return exec;
}
/*******************************************************************************
**
** Function bta_hh_le_get_protocol_mode
**
** Description Get remote device protocol mode.
**
*******************************************************************************/
void bta_hh_le_get_protocol_mode(tBTA_HH_DEV_CB *p_cb)
{
tBTA_HH_HSDATA hs_data;
p_cb->w4_evt = BTA_HH_GET_PROTO_EVT;
if (p_cb->hid_srvc.in_use && p_cb->hid_srvc.proto_mode_handle != 0) {
gatt_queue_read_op(GATT_READ_CHAR, p_cb->conn_id, p_cb->hid_srvc.proto_mode_handle);
return;
}
/* no service support protocol_mode, by default report mode */
hs_data.status = BTA_HH_OK;
hs_data.handle = p_cb->hid_handle;
hs_data.rsp_data.proto_mode = BTA_HH_PROTO_RPT_MODE;
p_cb->w4_evt = 0;
(* bta_hh_cb.p_cback)(BTA_HH_GET_PROTO_EVT, (tBTA_HH *)&hs_data);
}
/*******************************************************************************
**
** Function bta_hh_le_dis_cback
**
** Description DIS read complete callback
**
** Parameters:
**
*******************************************************************************/
void bta_hh_le_dis_cback(BD_ADDR addr, tDIS_VALUE *p_dis_value)
{
tBTA_HH_DEV_CB *p_cb = bta_hh_le_find_dev_cb_by_bda(addr);
if (p_cb == NULL || p_dis_value == NULL)
{
APPL_TRACE_ERROR("received unexpected/error DIS callback");
return;
}
p_cb->disc_active &= ~BTA_HH_LE_DISC_DIS;
/* plug in the PnP info for this device */
if (p_dis_value->attr_mask & DIS_ATTR_PNP_ID_BIT)
{
#if BTA_HH_DEBUG == TRUE
APPL_TRACE_DEBUG("Plug in PnP info: product_id = %02x, vendor_id = %04x, version = %04x",
p_dis_value->pnp_id.product_id,
p_dis_value->pnp_id.vendor_id,
p_dis_value->pnp_id.product_version);
#endif
p_cb->dscp_info.product_id = p_dis_value->pnp_id.product_id;
p_cb->dscp_info.vendor_id = p_dis_value->pnp_id.vendor_id;
p_cb->dscp_info.version = p_dis_value->pnp_id.product_version;
}
bta_hh_le_open_cmpl(p_cb);
}
/*******************************************************************************
**
** Function bta_hh_le_pri_service_discovery
**
** Description Initialize GATT discovery on the remote LE HID device by opening
** a GATT connection first.
**
** Parameters:
**
*******************************************************************************/
void bta_hh_le_pri_service_discovery(tBTA_HH_DEV_CB *p_cb)
{
tBT_UUID pri_srvc;
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 */
pri_srvc.len = LEN_UUID_16;
pri_srvc.uu.uuid16 = UUID_SERVCLASS_LE_HID;
BTA_GATTC_ServiceSearchRequest(p_cb->conn_id, &pri_srvc);
return;
}
/*******************************************************************************
**
** Function bta_hh_le_encrypt_cback
**
** Description link encryption complete callback for bond verification.
**
** Returns None
**
*******************************************************************************/
void bta_hh_le_encrypt_cback(BD_ADDR bd_addr, tBTA_GATT_TRANSPORT transport,
void *p_ref_data, tBTM_STATUS result)
{
UINT8 idx = bta_hh_find_cb(bd_addr);
tBTA_HH_DEV_CB *p_dev_cb;
UNUSED(p_ref_data);
UNUSED (transport);
if (idx != BTA_HH_IDX_INVALID)
p_dev_cb = &bta_hh_cb.kdev[idx];
else
{
APPL_TRACE_ERROR("unexpected encryption callback, ignore");
return;
}
p_dev_cb->status = (result == BTM_SUCCESS) ? BTA_HH_OK : BTA_HH_ERR_SEC;
p_dev_cb->reason = result;
bta_hh_sm_execute(p_dev_cb, BTA_HH_ENC_CMPL_EVT, NULL);
}
/*******************************************************************************
**
** Function bta_hh_security_cmpl
**
** Description Security check completed, start the service discovery
** if no cache available, otherwise report connection open completed
**
** Parameters:
**
*******************************************************************************/
void bta_hh_security_cmpl(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_buf)
{
UNUSED(p_buf);
APPL_TRACE_DEBUG("%s", __func__);
if (p_cb->status == BTA_HH_OK)
{
if (!p_cb->hid_srvc.in_use)
{
APPL_TRACE_DEBUG("bta_hh_security_cmpl no reports loaded, try to load");
/* start loading the cache if not in stack */
//TODO(jpawlowski): cache storage is broken, fix it
// tBTA_HH_RPT_CACHE_ENTRY *p_rpt_cache;
// UINT8 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) == FALSE)
{
bta_hh_le_open_cmpl(p_cb);
}
}
/* start primary service discovery for HID service */
else
{
APPL_TRACE_DEBUG("%s: Starting service discovery", __func__);
bta_hh_le_pri_service_discovery(p_cb);
}
}
else
{
APPL_TRACE_ERROR("%s() - encryption failed; status=0x%04x, reason=0x%04x",
__FUNCTION__, p_cb->status, p_cb->reason);
if (!(p_cb->status == BTA_HH_ERR_SEC && p_cb->reason == BTM_ERR_PROCESSING))
bta_hh_le_api_disc_act(p_cb);
}
}
/*******************************************************************************
**
** Function bta_hh_le_notify_enc_cmpl
**
** Description process GATT encryption complete event
**
** Returns
**
*******************************************************************************/
void bta_hh_le_notify_enc_cmpl(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_buf)
{
if (p_cb == NULL || p_cb->security_pending == FALSE ||
p_buf == NULL || p_buf->le_enc_cmpl.client_if != bta_hh_cb.gatt_if)
{
return;
}
p_cb->security_pending = FALSE;
bta_hh_start_security(p_cb, NULL);
}
/*******************************************************************************
**
** Function bta_hh_clear_service_cache
**
** Description clear the service cache
**
** Parameters:
**
*******************************************************************************/
void bta_hh_clear_service_cache(tBTA_HH_DEV_CB *p_cb)
{
tBTA_HH_LE_HID_SRVC *p_hid_srvc = &p_cb->hid_srvc;
p_cb->app_id = 0;
p_cb->dscp_info.descriptor.dsc_list = NULL;
osi_free_and_reset((void **)&p_hid_srvc->rpt_map);
memset(p_hid_srvc, 0, sizeof(tBTA_HH_LE_HID_SRVC));
}
/*******************************************************************************
**
** Function bta_hh_start_security
**
** Description start the security check of the established connection
**
** Parameters:
**
*******************************************************************************/
void bta_hh_start_security(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_buf)
{
UINT8 sec_flag=0;
tBTM_SEC_DEV_REC *p_dev_rec;
UNUSED(p_buf);
p_dev_rec = btm_find_dev(p_cb->addr);
if (p_dev_rec)
{
if (p_dev_rec->sec_state == BTM_SEC_STATE_ENCRYPTING ||
p_dev_rec->sec_state == BTM_SEC_STATE_AUTHENTICATING)
{
/* if security collision happened, wait for encryption done */
p_cb->security_pending = TRUE;
return;
}
}
/* verify bond */
BTM_GetSecurityFlagsByTransport(p_cb->addr, &sec_flag, BT_TRANSPORT_LE);
/* if link has been encrypted */
if (sec_flag & BTM_SEC_FLAG_ENCRYPTED)
{
bta_hh_sm_execute(p_cb, BTA_HH_ENC_CMPL_EVT, NULL);
}
/* if bonded and link not encrypted */
else if (sec_flag & BTM_SEC_FLAG_LKEY_KNOWN)
{
sec_flag = BTM_BLE_SEC_ENCRYPT;
p_cb->status = BTA_HH_ERR_AUTH_FAILED;
BTM_SetEncryption(p_cb->addr, BTA_TRANSPORT_LE, bta_hh_le_encrypt_cback, NULL, sec_flag);
}
/* unbonded device, report security error here */
else if (p_cb->sec_mask != BTA_SEC_NONE)
{
sec_flag = BTM_BLE_SEC_ENCRYPT_NO_MITM;
p_cb->status = BTA_HH_ERR_AUTH_FAILED;
bta_hh_clear_service_cache(p_cb);
BTM_SetEncryption(p_cb->addr, BTA_TRANSPORT_LE, bta_hh_le_encrypt_cback, NULL, sec_flag);
}
/* otherwise let it go through */
else
{
bta_hh_sm_execute(p_cb, BTA_HH_ENC_CMPL_EVT, NULL);
}
}
/*******************************************************************************
**
** Function bta_hh_gatt_open
**
** Description process GATT open event.
**
** Parameters:
**
*******************************************************************************/
void bta_hh_gatt_open(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_buf)
{
tBTA_GATTC_OPEN *p_data = &p_buf->le_open;
UINT8 *p2;
tHID_STATUS status = BTA_HH_ERR;
/* if received invalid callback data , ignore it */
if (p_cb == NULL || p_data == NULL)
return;
p2 = p_data->remote_bda;
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 == BTA_GATT_OK)
{
p_cb->is_le_device = TRUE;
p_cb->in_use = TRUE;
p_cb->conn_id = p_data->conn_id;
p_cb->hid_handle = BTA_HH_GET_LE_DEV_HDL(p_cb->index);
bta_hh_cb.le_cb_index[BTA_HH_GET_LE_CB_IDX(p_cb->hid_handle)] = p_cb->index;
#if BTA_HH_DEBUG == TRUE
APPL_TRACE_DEBUG("hid_handle = %2x conn_id = %04x cb_index = %d", p_cb->hid_handle, p_cb->conn_id, p_cb->index);
#endif
bta_hh_sm_execute(p_cb, BTA_HH_START_ENC_EVT, NULL);
}
else /* open failure */
{
bta_hh_sm_execute(p_cb, BTA_HH_SDP_CMPL_EVT, (tBTA_HH_DATA *)&status);
}
}
/*******************************************************************************
**
** Function bta_hh_le_close
**
** Description This function process the GATT close event and post it as a
** BTA HH internal event
**
** Parameters:
**
*******************************************************************************/
void bta_hh_le_close(tBTA_GATTC_CLOSE * p_data)
{
tBTA_HH_DEV_CB *p_dev_cb = bta_hh_le_find_dev_cb_by_bda(p_data->remote_bda);
UINT16 sm_event = BTA_HH_GATT_CLOSE_EVT;
if (p_dev_cb != NULL) {
tBTA_HH_LE_CLOSE *p_buf =
(tBTA_HH_LE_CLOSE *)osi_malloc(sizeof(tBTA_HH_LE_CLOSE));
p_buf->hdr.event = sm_event;
p_buf->hdr.layer_specific = (UINT16)p_dev_cb->hid_handle;
p_buf->conn_id = p_data->conn_id;
p_buf->reason = p_data->reason;
p_dev_cb->conn_id = BTA_GATT_INVALID_CONN_ID;
p_dev_cb->security_pending = FALSE;
bta_sys_sendmsg(p_buf);
}
}
/*******************************************************************************
**
** Function bta_hh_le_gatt_disc_cmpl
**
** Description Check to see if the remote device is a LE only device
**
** Parameters:
**
*******************************************************************************/
void bta_hh_le_gatt_disc_cmpl(tBTA_HH_DEV_CB *p_cb, tBTA_HH_STATUS status)
{
APPL_TRACE_DEBUG("bta_hh_le_gatt_disc_cmpl ");
/* if open sucessful or protocol mode not desired, keep the connection open but inform app */
if (status == BTA_HH_OK || status == BTA_HH_ERR_PROTO)
{
/* assign a special APP ID temp, since device type unknown */
p_cb->app_id = BTA_HH_APP_ID_LE;
/* set report notification configuration */
p_cb->clt_cfg_idx = 0;
bta_hh_le_write_rpt_clt_cfg(p_cb, p_cb->hid_srvc.srvc_inst_id);
}
else /* error, close the GATT connection */
{
/* close GATT connection if it's on */
bta_hh_le_api_disc_act(p_cb);
}
}
void process_included(tBTA_HH_DEV_CB *p_dev_cb, tBTA_GATTC_SERVICE *service) {
if (!service->included_svc || list_is_empty(service->included_svc)) {
APPL_TRACE_ERROR("%s: Remote device does not have battery level", __func__);
return;
}
for (list_node_t *isn = list_begin(service->included_svc);
isn != list_end(service->included_svc); isn = list_next(isn)) {
tBTA_GATTC_INCLUDED_SVC *p_isvc = list_node(isn);
tBTA_GATTC_SERVICE *incl_svc = p_isvc->included_service;
if (incl_svc->uuid.uu.uuid16 == UUID_SERVCLASS_BATTERY &&
incl_svc->uuid.len == LEN_UUID_16) {
/* read include service UUID */
p_dev_cb->hid_srvc.incl_srvc_inst = incl_svc->handle;
for (list_node_t *cn = list_begin(incl_svc->characteristics);
cn != list_end(incl_svc->characteristics); cn = list_next(cn)) {
tBTA_GATTC_CHARACTERISTIC *p_char = list_node(cn);
if (p_char->uuid.uu.uuid16 == GATT_UUID_BATTERY_LEVEL &&
p_char->uuid.len == LEN_UUID_16) {
if (bta_hh_le_find_alloc_report_entry(p_dev_cb,
incl_svc->s_handle,
GATT_UUID_BATTERY_LEVEL,
p_char->handle) == NULL)
APPL_TRACE_ERROR("Add battery report entry failed !!!");
gatt_queue_read_op(GATT_READ_CHAR, p_dev_cb->conn_id, p_char->handle);
return;
}
}
}
}
APPL_TRACE_ERROR("%s: Remote device does not have battery level", __func__);
}
/*******************************************************************************
**
** 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, tBTA_GATTC_SERVICE *service)
{
tBTA_HH_LE_RPT *p_rpt;
for (list_node_t *cn = list_begin(service->characteristics);
cn != list_end(service->characteristics); cn = list_next(cn)) {
tBTA_GATTC_CHARACTERISTIC *p_char = list_node(cn);
if(p_char->uuid.len != LEN_UUID_16)
continue;
LOG_DEBUG(LOG_TAG, "%s: %s 0x%04d", __func__, bta_hh_uuid_to_str(p_char->uuid.uu.uuid16),
p_char->uuid.uu.uuid16);
switch (p_char->uuid.uu.uuid16)
{
case GATT_UUID_HID_CONTROL_POINT:
p_dev_cb->hid_srvc.control_point_handle = p_char->handle;
break;
case GATT_UUID_HID_INFORMATION:
case GATT_UUID_HID_REPORT_MAP:
/* read the char value */
gatt_queue_read_op(GATT_READ_CHAR, p_dev_cb->conn_id, p_char->handle);
bta_hh_le_read_char_dscrpt(p_dev_cb, p_char->handle,
GATT_UUID_EXT_RPT_REF_DESCR);
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,
p_char->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_dscrpt(p_dev_cb, p_char->handle, GATT_UUID_RPT_REF_DESCR);
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,
p_char->uuid.uu.uuid16,
p_char->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(p_char->uuid.uu.uuid16),
p_char->uuid.uu.uuid16);
}
}
/* Make sure PROTO_MODE is processed as last */
for (list_node_t *cn = list_begin(service->characteristics);
cn != list_end(service->characteristics); cn = list_next(cn)) {
tBTA_GATTC_CHARACTERISTIC *p_char = list_node(cn);
if(p_char->uuid.len != LEN_UUID_16 &&
p_char->uuid.uu.uuid16 == GATT_UUID_HID_PROTO_MODE) {
p_dev_cb->hid_srvc.proto_mode_handle = p_char->handle;
bta_hh_le_set_protocol_mode(p_dev_cb, p_dev_cb->mode);
break;
}
}
}
/*******************************************************************************
**
** Function bta_hh_le_srvc_search_cmpl
**
** Description This function process the GATT service search complete.
**
** Parameters:
**
*******************************************************************************/
void bta_hh_le_srvc_search_cmpl(tBTA_GATTC_SEARCH_CMPL *p_data)
{
tBTA_HH_DEV_CB *p_dev_cb = bta_hh_le_find_dev_cb_by_conn_id(p_data->conn_id);
/* service search exception or no HID service is supported on remote */
if (p_dev_cb == NULL)
return;
if(p_data->status != BTA_GATT_OK)
{
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 list_t *services = BTA_GATTC_GetServices(p_data->conn_id);
bool have_hid = false;
for (list_node_t *sn = list_begin(services);
sn != list_end(services); sn = list_next(sn)) {
tBTA_GATTC_SERVICE *service = list_node(sn);
if (service->uuid.uu.uuid16 == 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;
process_included(p_dev_cb, service);
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.uu.uuid16 == UUID_SERVCLASS_SCAN_PARAM) {
p_dev_cb->scan_refresh_char_handle = 0;
for (list_node_t *cn = list_begin(service->characteristics);
cn != list_end(service->characteristics); cn = list_next(cn)) {
tBTA_GATTC_CHARACTERISTIC *p_char = list_node(cn);
if (p_char->uuid.len == LEN_UUID_16 &&
p_char->uuid.uu.uuid16 == GATT_UUID_SCAN_REFRESH) {
p_dev_cb->scan_refresh_char_handle = p_char->handle;
if (p_char->properties & BTA_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.uu.uuid16 == UUID_SERVCLASS_GAP_SERVER) {
//TODO(jpawlowski): this should be done by GAP profile, remove when GAP is fixed.
for (list_node_t *cn = list_begin(service->characteristics);
cn != list_end(service->characteristics); cn = list_next(cn)) {
tBTA_GATTC_CHARACTERISTIC *p_char = list_node(cn);
if (p_char->uuid.len == LEN_UUID_16 &&
p_char->uuid.uu.uuid16 == GATT_UUID_GAP_PREF_CONN_PARAM) {
/* read the char value */
gatt_queue_read_op(GATT_READ_CHAR, p_dev_cb->conn_id, p_char->handle);
break;
}
}
}
}
bta_hh_le_gatt_disc_cmpl(p_dev_cb, p_dev_cb->status);
}
/*******************************************************************************
**
** Function bta_hh_read_battery_level_cmpl
**
** Description This function process the battery level read
**
** Parameters:
**
*******************************************************************************/
void bta_hh_read_battery_level_cmpl(UINT8 status, tBTA_HH_DEV_CB *p_dev_cb, tBTA_GATTC_READ *p_data)
{
UNUSED(status);
UNUSED(p_data);
p_dev_cb->hid_srvc.expl_incl_srvc = TRUE;
}
/*******************************************************************************
**
** Function bta_hh_le_save_rpt_map
**
** Description save the report map into the control block.
**
** Parameters:
**
*******************************************************************************/
void bta_hh_le_save_rpt_map(tBTA_HH_DEV_CB *p_dev_cb, tBTA_GATTC_READ *p_data)
{
tBTA_HH_LE_HID_SRVC *p_srvc = &p_dev_cb->hid_srvc;
osi_free_and_reset((void **)&p_srvc->rpt_map);
if (p_data->p_value->len > 0)
p_srvc->rpt_map = (UINT8 *)osi_malloc(p_data->p_value->len);
if (p_srvc->rpt_map != NULL)
{
UINT8 *pp = p_data->p_value->p_value;
STREAM_TO_ARRAY(p_srvc->rpt_map, pp, p_data->p_value->len);
p_srvc->descriptor.dl_len = p_data->p_value->len;
p_srvc->descriptor.dsc_list = p_dev_cb->hid_srvc.rpt_map;
}
}
/*******************************************************************************
**
** Function bta_hh_le_proc_get_rpt_cmpl
**
** Description Process the Read report complete, send GET_REPORT_EVT to application
** with the report data.
**
** Parameters:
**
*******************************************************************************/
void bta_hh_le_proc_get_rpt_cmpl(tBTA_HH_DEV_CB *p_dev_cb, tBTA_GATTC_READ *p_data)
{
BT_HDR *p_buf = NULL;
tBTA_HH_LE_RPT *p_rpt;
tBTA_HH_HSDATA hs_data;
UINT8 *pp ;
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;
}
const tBTA_GATTC_CHARACTERISTIC *p_char = BTA_GATTC_GetCharacteristic(p_dev_cb->conn_id,
p_data->handle);
memset(&hs_data, 0, sizeof(hs_data));
hs_data.status = BTA_HH_ERR;
hs_data.handle = p_dev_cb->hid_handle;
if (p_data->status == BTA_GATT_OK)
{
p_rpt = bta_hh_le_find_report_entry(p_dev_cb,
p_char->service->handle,
p_char->uuid.uu.uuid16,
p_char->handle);
if (p_rpt != NULL && p_data->p_value != NULL) {
p_buf = (BT_HDR *)osi_malloc(sizeof(BT_HDR) + p_data->p_value->len + 1);
/* pack data send to app */
hs_data.status = BTA_HH_OK;
p_buf->len = p_data->p_value->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*)(p_buf + 1);
UINT8_TO_STREAM(pp, p_rpt->rpt_id);
memcpy(pp, p_data->p_value->p_value, p_data->p_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_proc_read_proto_mode
**
** Description Process the Read protocol mode, send GET_PROTO_EVT to application
** with the protocol mode.
**
*******************************************************************************/
void bta_hh_le_proc_read_proto_mode(tBTA_HH_DEV_CB *p_dev_cb, tBTA_GATTC_READ *p_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 (p_data->status == BTA_GATT_OK && p_data->p_value)
{
hs_data.status = BTA_HH_OK;
/* match up BTE/BTA report/boot mode def*/
hs_data.rsp_data.proto_mode = *(p_data->p_value->p_value);
/* LE repot mode is the opposite value of BR/EDR report mode, flip it here */
if (hs_data.rsp_data.proto_mode == 0)
hs_data.rsp_data.proto_mode = BTA_HH_PROTO_BOOT_MODE;
else
hs_data.rsp_data.proto_mode = BTA_HH_PROTO_RPT_MODE;
p_dev_cb->mode = hs_data.rsp_data.proto_mode;
}
#if BTA_HH_DEBUG
APPL_TRACE_DEBUG("LE GET_PROTOCOL Mode = [%s]",
(hs_data.rsp_data.proto_mode == BTA_HH_PROTO_RPT_MODE)? "Report" : "Boot");
#endif
p_dev_cb->w4_evt = 0;
(* bta_hh_cb.p_cback)(BTA_HH_GET_PROTO_EVT, (tBTA_HH *)&hs_data);
}
/*******************************************************************************
**
** Function bta_hh_w4_le_read_char_cmpl
**
** Description process the GATT read complete in W4_CONN state.
**
** Parameters:
**
*******************************************************************************/
void bta_hh_w4_le_read_char_cmpl(tBTA_HH_DEV_CB *p_dev_cb, tBTA_HH_DATA *p_buf)
{
tBTA_GATTC_READ * p_data = (tBTA_GATTC_READ *)p_buf;
UINT8 *pp ;
const tBTA_GATTC_CHARACTERISTIC *p_char = BTA_GATTC_GetCharacteristic(p_dev_cb->conn_id,
p_data->handle);
UINT16 char_uuid = p_char->uuid.uu.uuid16;
if (char_uuid == GATT_UUID_BATTERY_LEVEL)
{
bta_hh_read_battery_level_cmpl(p_data->status, p_dev_cb, p_data);
}
else if (char_uuid == GATT_UUID_GAP_PREF_CONN_PARAM)
{
//TODO(jpawlowski): this should be done by GAP profile, remove when GAP is fixed.
UINT8 *pp = p_data->p_value->p_value;
UINT16 min, max, latency, tout;
STREAM_TO_UINT16 (min, pp);
STREAM_TO_UINT16 (max, pp);
STREAM_TO_UINT16 (latency, pp);
STREAM_TO_UINT16 (tout, pp);
// Make sure both min, and max are bigger than 11.25ms, lower values can introduce
// audio issues if A2DP is also active.
if (min < BTM_BLE_CONN_INT_MIN_LIMIT)
min = BTM_BLE_CONN_INT_MIN_LIMIT;
if (max < BTM_BLE_CONN_INT_MIN_LIMIT)
max = BTM_BLE_CONN_INT_MIN_LIMIT;
BTM_BleSetPrefConnParams (p_dev_cb->addr, min, max, latency, tout);
L2CA_UpdateBleConnParams(p_dev_cb->addr, min, max, latency, tout);
}
else
{
if (p_data->status == BTA_GATT_OK && p_data->p_value)
{
pp = p_data->p_value->p_value;
switch (char_uuid)
{
/* save device information */
case GATT_UUID_HID_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);
break;
case GATT_UUID_HID_REPORT_MAP:
bta_hh_le_save_rpt_map(p_dev_cb, p_data);
return;
default:
#if BTA_HH_DEBUG == TRUE
APPL_TRACE_ERROR("Unexpected read %s(0x%04x)",
bta_hh_uuid_to_str(char_uuid), char_uuid);
#endif
break;
}
}
else
{
#if BTA_HH_DEBUG == TRUE
APPL_TRACE_ERROR("read uuid %s[0x%04x] error: %d", bta_hh_uuid_to_str(char_uuid),
char_uuid, p_data->status);
#else
APPL_TRACE_ERROR("read uuid [0x%04x] error: %d", char_uuid, p_data->status);
#endif
}
}
}
/*******************************************************************************
**
** Function bta_hh_le_read_char_cmpl
**
** Description a characteristic value is received.
**
** Parameters:
**
*******************************************************************************/
void bta_hh_le_read_char_cmpl (tBTA_HH_DEV_CB *p_dev_cb, tBTA_HH_DATA *p_buf)
{
tBTA_GATTC_READ * p_data = (tBTA_GATTC_READ *)p_buf;
const tBTA_GATTC_CHARACTERISTIC *p_char = BTA_GATTC_GetCharacteristic(p_dev_cb->conn_id,
p_data->handle);
UINT16 char_uuid = p_char->uuid.uu.uuid16;
switch (char_uuid)
{
/* GET_REPORT */
case GATT_UUID_HID_REPORT:
case GATT_UUID_HID_BT_KB_INPUT:
case GATT_UUID_HID_BT_KB_OUTPUT:
case GATT_UUID_HID_BT_MOUSE_INPUT:
case GATT_UUID_BATTERY_LEVEL: /* read battery level */
bta_hh_le_proc_get_rpt_cmpl(p_dev_cb, p_data);
break;
case GATT_UUID_HID_PROTO_MODE:
bta_hh_le_proc_read_proto_mode(p_dev_cb, p_data);
break;
default:
APPL_TRACE_ERROR("Unexpected Read UUID: 0x%04x", char_uuid);
break;
}
}
/*******************************************************************************
**
** Function bta_hh_le_read_descr_cmpl
**
** Description read characteristic descriptor is completed in CONN st.
**
** Parameters:
**
*******************************************************************************/
void bta_hh_le_read_descr_cmpl(tBTA_HH_DEV_CB *p_dev_cb, tBTA_HH_DATA *p_buf)
{
tBTA_HH_LE_RPT *p_rpt;
tBTA_GATTC_READ * p_data = (tBTA_GATTC_READ *)p_buf;
UINT8 *pp;
const tBTA_GATTC_DESCRIPTOR *p_desc = BTA_GATTC_GetDescriptor(p_data->conn_id, p_data->handle);
/* if a report client configuration */
if (p_desc->uuid.uu.uuid16 == GATT_UUID_CHAR_CLIENT_CONFIG)
{
if ((p_rpt = bta_hh_le_find_report_entry(p_dev_cb,
p_desc->characteristic->service->handle,
p_desc->characteristic->uuid.uu.uuid16,
p_desc->characteristic->handle)) != NULL)
{
pp = p_data->p_value->p_value;
STREAM_TO_UINT16(p_rpt->client_cfg_value, pp);
APPL_TRACE_DEBUG("Read Client Configuration: 0x%04x", p_rpt->client_cfg_value);
}
}
}
/*******************************************************************************
**
** Function bta_hh_w4_le_read_descr_cmpl
**
** Description read characteristic descriptor is completed in W4_CONN st.
**
** Parameters:
**
*******************************************************************************/
void bta_hh_w4_le_read_descr_cmpl(tBTA_HH_DEV_CB *p_dev_cb, tBTA_HH_DATA *p_buf)
{
tBTA_HH_LE_RPT *p_rpt;
tBTA_GATTC_READ * p_data = (tBTA_GATTC_READ *)p_buf;
UINT16 char_uuid16;
if (p_data == NULL)
return;
const tBTA_GATTC_DESCRIPTOR *p_desc = BTA_GATTC_GetDescriptor(p_data->conn_id, p_data->handle);
if (p_desc == NULL) {
APPL_TRACE_ERROR("%s: p_descr is NULL %d", __func__, p_data->handle);
return;
}
char_uuid16 = p_desc->characteristic->uuid.uu.uuid16;
#if BTA_HH_DEBUG == TRUE
APPL_TRACE_DEBUG("bta_hh_w4_le_read_descr_cmpl uuid: %s(0x%04x)",
bta_hh_uuid_to_str(p_desc->uuid.uu.uuid16),
p_desc->uuid.uu.uuid16);
#endif
switch (char_uuid16)
{
case GATT_UUID_HID_REPORT:
if ((p_rpt = bta_hh_le_find_report_entry(p_dev_cb,
p_desc->characteristic->service->handle,
GATT_UUID_HID_REPORT,
p_desc->characteristic->handle)))
bta_hh_le_save_rpt_ref(p_dev_cb, p_rpt, p_data);
break;
case GATT_UUID_HID_REPORT_MAP:
bta_hh_le_save_ext_rpt_ref(p_dev_cb, p_data);
break;
case GATT_UUID_BATTERY_LEVEL:
if ((p_rpt = bta_hh_le_find_report_entry(p_dev_cb,
p_desc->characteristic->service->handle,
GATT_UUID_BATTERY_LEVEL,
p_desc->characteristic->handle)))
bta_hh_le_save_rpt_ref(p_dev_cb, p_rpt, p_data);
break;
default:
APPL_TRACE_ERROR("unknown descriptor read complete for uuid: 0x%04x", char_uuid16);
break;
}
}
/*******************************************************************************
**
** Function bta_hh_w4_le_write_cmpl
**
** Description Write charactersitic complete event at W4_CONN st.
**
** Parameters:
**
*******************************************************************************/
void bta_hh_w4_le_write_cmpl(tBTA_HH_DEV_CB *p_dev_cb, tBTA_HH_DATA *p_buf)
{
tBTA_GATTC_WRITE *p_data = (tBTA_GATTC_WRITE *)p_buf;
if (p_data == NULL)
return;
const tBTA_GATTC_CHARACTERISTIC *p_char = BTA_GATTC_GetCharacteristic(p_dev_cb->conn_id,
p_data->handle);
if (p_char->uuid.uu.uuid16 == GATT_UUID_HID_PROTO_MODE)
{
p_dev_cb->status = (p_data->status == BTA_GATT_OK) ? 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_write_cmpl
**
** Description Write charactersitic complete event at CONN st.
**
** Parameters:
**
*******************************************************************************/
void bta_hh_le_write_cmpl(tBTA_HH_DEV_CB *p_dev_cb, tBTA_HH_DATA *p_buf)
{
tBTA_GATTC_WRITE *p_data = (tBTA_GATTC_WRITE *)p_buf;
tBTA_HH_CBDATA cback_data ;
UINT16 cb_evt = p_dev_cb->w4_evt;
if (p_data == NULL || cb_evt == 0)
return;
const tBTA_GATTC_CHARACTERISTIC *p_char = BTA_GATTC_GetCharacteristic(p_dev_cb->conn_id,
p_data->handle);
#if BTA_HH_DEBUG
APPL_TRACE_DEBUG("bta_hh_le_write_cmpl w4_evt: %d", p_dev_cb->w4_evt);
#endif
switch (p_char->uuid.uu.uuid16)
{
/* Set protocol finished */
case GATT_UUID_HID_PROTO_MODE:
cback_data.handle = p_dev_cb->hid_handle;
if (p_data->status == BTA_GATT_OK)
{
bta_hh_le_register_input_notif(p_dev_cb, p_dev_cb->mode, FALSE);
cback_data.status = BTA_HH_OK;
}
else
cback_data.status = BTA_HH_ERR;
p_dev_cb->w4_evt = 0;
(* bta_hh_cb.p_cback)(cb_evt, (tBTA_HH *)&cback_data);
break;
/* Set Report finished */
case GATT_UUID_HID_REPORT:
case GATT_UUID_HID_BT_KB_INPUT:
case GATT_UUID_HID_BT_MOUSE_INPUT:
case GATT_UUID_HID_BT_KB_OUTPUT:
cback_data.handle = p_dev_cb->hid_handle;
cback_data.status = (p_data->status == BTA_GATT_OK)? BTA_HH_OK : BTA_HH_ERR;
p_dev_cb->w4_evt = 0;
(* bta_hh_cb.p_cback)(cb_evt, (tBTA_HH *)&cback_data);
break;
case GATT_UUID_SCAN_INT_WINDOW:
bta_hh_le_register_scpp_notif(p_dev_cb, p_data->status);
break;
default:
break;
}
}
/*******************************************************************************
**
** Function bta_hh_le_write_char_descr_cmpl
**
** Description Write charactersitic descriptor complete event
**
** Parameters:
**
*******************************************************************************/
void bta_hh_le_write_char_descr_cmpl(tBTA_HH_DEV_CB *p_dev_cb, tBTA_HH_DATA *p_buf)
{
tBTA_GATTC_WRITE *p_data = (tBTA_GATTC_WRITE *)p_buf;
UINT8 srvc_inst_id, hid_inst_id;
const tBTA_GATTC_DESCRIPTOR *p_desc = BTA_GATTC_GetDescriptor(p_dev_cb->conn_id,
p_data->handle);
UINT16 desc_uuid = p_desc->uuid.uu.uuid16;
UINT16 char_uuid = p_desc->characteristic->uuid.uu.uuid16;
/* only write client configuration possible */
if (desc_uuid == GATT_UUID_CHAR_CLIENT_CONFIG)
{
srvc_inst_id = p_desc->characteristic->service->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);
/* fall through */
case GATT_UUID_HID_BT_KB_INPUT:
case GATT_UUID_HID_BT_MOUSE_INPUT:
case GATT_UUID_HID_REPORT:
if (p_data->status == BTA_GATT_OK)
p_dev_cb->hid_srvc.report[p_dev_cb->clt_cfg_idx].client_cfg_value =
BTA_GATT_CLT_CONFIG_NOTIFICATION;
p_dev_cb->clt_cfg_idx ++;
bta_hh_le_write_rpt_clt_cfg(p_dev_cb, hid_inst_id);
break;
case GATT_UUID_SCAN_REFRESH:
bta_hh_le_register_scpp_notif_cmpl(p_dev_cb, p_data->status);
break;
default:
APPL_TRACE_ERROR("Unknown char ID clt cfg: 0x%04x", char_uuid);
}
}
else
{
#if BTA_HH_DEBUG == TRUE
APPL_TRACE_ERROR("Unexpected write to %s(0x%04x)",
bta_hh_uuid_to_str(desc_uuid), desc_uuid);
#else
APPL_TRACE_ERROR("Unexpected write to (0x%04x)", desc_uuid);
#endif
}
}
/*******************************************************************************
**
** Function bta_hh_le_input_rpt_notify
**
** Description process the notificaton event, most likely for input report.
**
** Parameters:
**
*******************************************************************************/
void bta_hh_le_input_rpt_notify(tBTA_GATTC_NOTIFY *p_data)
{
tBTA_HH_DEV_CB *p_dev_cb = bta_hh_le_find_dev_cb_by_conn_id(p_data->conn_id);
UINT8 app_id;
UINT8 *p_buf;
tBTA_HH_LE_RPT *p_rpt;
if (p_dev_cb == NULL)
{
APPL_TRACE_ERROR("notification received from Unknown device");
return;
}
const tBTA_GATTC_CHARACTERISTIC *p_char = BTA_GATTC_GetCharacteristic(p_dev_cb->conn_id,
p_data->handle);
app_id= p_dev_cb->app_id;
p_rpt = bta_hh_le_find_report_entry(p_dev_cb,
p_dev_cb->hid_srvc.srvc_inst_id,
p_char->uuid.uu.uuid16,
p_char->handle);
if (p_rpt == NULL)
{
APPL_TRACE_ERROR("notification received for Unknown Report");
return;
}
if (p_char->uuid.uu.uuid16 == GATT_UUID_HID_BT_MOUSE_INPUT)
app_id = BTA_HH_APP_ID_MI;
else if (p_char->uuid.uu.uuid16 == 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 *)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)p_dev_cb->hid_handle,
p_buf,
p_data->len,
p_dev_cb->mode,
0 , /* no sub class*/
p_dev_cb->dscp_info.ctry_code,
p_dev_cb->addr,
app_id);
if (p_buf != p_data->value)
osi_free(p_buf);
}
/*******************************************************************************
**
** Function bta_hh_gatt_open_fail
**
** Description action function to process the open fail
**
** Returns void
**
*******************************************************************************/
void bta_hh_le_open_fail(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data)
{
tBTA_HH_CONN conn_dat ;
/* open failure in the middle of service discovery, clear all services */
if (p_cb->disc_active & BTA_HH_LE_DISC_HIDS)
{
bta_hh_clear_service_cache(p_cb);
}
p_cb->disc_active = BTA_HH_LE_DISC_NONE;
/* Failure in opening connection or GATT discovery failure */
conn_dat.handle = p_cb->hid_handle;
memcpy(conn_dat.bda, p_cb->addr, BD_ADDR_LEN);
conn_dat.le_hid = TRUE;
conn_dat.scps_supported = p_cb->scps_supported;
if (p_cb->status == BTA_HH_OK)
conn_dat.status = (p_data->le_close.reason == BTA_GATT_CONN_UNKNOWN) ? p_cb->status : BTA_HH_ERR;
else
conn_dat.status = p_cb->status;
/* Report OPEN fail event */
(*bta_hh_cb.p_cback)(BTA_HH_OPEN_EVT, (tBTA_HH *)&conn_dat);
}
/*******************************************************************************
**
** Function bta_hh_gatt_close
**
** Description action function to process the GATT close int he state machine.
**
** Returns void
**
*******************************************************************************/
void bta_hh_gatt_close(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data)
{
tBTA_HH_CBDATA disc_dat = {BTA_HH_OK, 0};
/* finaliza device driver */
bta_hh_co_close(p_cb->hid_handle, p_cb->app_id);
/* update total conn number */
bta_hh_cb.cnt_num --;
disc_dat.handle = p_cb->hid_handle;
disc_dat.status = p_cb->status;
(*bta_hh_cb.p_cback)(BTA_HH_CLOSE_EVT, (tBTA_HH *)&disc_dat);
/* if no connection is active and HH disable is signaled, disable service */
if (bta_hh_cb.cnt_num == 0 && bta_hh_cb.w4_disable)
{
bta_hh_disc_cmpl();
}
else
{
#if (BTA_HH_LE_RECONN == TRUE)
if (p_data->le_close.reason == BTA_GATT_CONN_TIMEOUT)
{
bta_hh_le_add_dev_bg_conn(p_cb, FALSE);
}
#endif
}
return;
}
/*******************************************************************************
**
** Function bta_hh_le_api_disc_act
**
** Description initaite a Close API to a remote HID device
**
** Returns void
**
*******************************************************************************/
void bta_hh_le_api_disc_act(tBTA_HH_DEV_CB *p_cb)
{
if (p_cb->conn_id != BTA_GATT_INVALID_CONN_ID)
{
gatt_op_queue_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 bta_hh_le_get_rpt
**
** Description GET_REPORT on a LE HID Report
**
** Returns void
**
*******************************************************************************/
void bta_hh_le_get_rpt(tBTA_HH_DEV_CB *p_cb, tBTA_HH_RPT_TYPE r_type, UINT8 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;
gatt_queue_read_op(GATT_READ_CHAR, p_cb->conn_id, p_rpt->char_inst_id);
}
/*******************************************************************************
**
** Function bta_hh_le_write_rpt
**
** Description SET_REPORT/or DATA output on a LE HID Report
**
** Returns void
**
*******************************************************************************/
void bta_hh_le_write_rpt(tBTA_HH_DEV_CB *p_cb,
tBTA_GATTC_WRITE_TYPE write_type,
tBTA_HH_RPT_TYPE r_type,
BT_HDR *p_buf, UINT16 w4_evt )
{
tBTA_HH_LE_RPT *p_rpt;
UINT8 *p_value, rpt_id;
if (p_buf == NULL || p_buf->len == 0)
{
APPL_TRACE_ERROR("bta_hh_le_write_rpt: Illegal data");
return;
}
/* strip report ID from the data */
p_value = (UINT8 *)(p_buf + 1) + p_buf->offset;
STREAM_TO_UINT8(rpt_id, p_value);
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;
gatt_queue_write_op(GATT_WRITE_CHAR, p_cb->conn_id, p_rpt->char_inst_id,
p_buf->len, p_value, write_type);
}
/*******************************************************************************
**
** Function bta_hh_le_suspend
**
** Description send LE suspend or exit suspend mode to remote device.
**
** Returns void
**
*******************************************************************************/
void bta_hh_le_suspend(tBTA_HH_DEV_CB *p_cb, tBTA_HH_TRANS_CTRL_TYPE ctrl_type)
{
ctrl_type -= BTA_HH_CTRL_SUSPEND;
gatt_queue_write_op(GATT_WRITE_CHAR, p_cb->conn_id, p_cb->hid_srvc.control_point_handle, 1,
&ctrl_type, BTA_GATTC_TYPE_WRITE_NO_RSP);
}
/*******************************************************************************
**
** Function bta_hh_le_write_dev_act
**
** Description Write LE device action. can be SET/GET/DATA transaction.
**
** Returns void
**
*******************************************************************************/
void bta_hh_le_write_dev_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data)
{
switch(p_data->api_sndcmd.t_type)
{
case HID_TRANS_SET_PROTOCOL:
p_cb->w4_evt = BTA_HH_SET_PROTO_EVT;
bta_hh_le_set_protocol_mode(p_cb, p_data->api_sndcmd.param);
break;
case HID_TRANS_GET_PROTOCOL:
bta_hh_le_get_protocol_mode(p_cb);
break;
case HID_TRANS_GET_REPORT:
bta_hh_le_get_rpt(p_cb,
p_data->api_sndcmd.param,
p_data->api_sndcmd.rpt_id);
break;
case HID_TRANS_SET_REPORT:
bta_hh_le_write_rpt(p_cb,
BTA_GATTC_TYPE_WRITE,
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,
BTA_GATTC_TYPE_WRITE_NO_RSP,
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, BOOLEAN check_bond)
{
UINT8 sec_flag=0;
BOOLEAN to_add = TRUE;
if (check_bond)
{
/* start reconnection if remote is a bonded device */
/* verify bond */
BTM_GetSecurityFlagsByTransport(p_cb->addr, &sec_flag, BT_TRANSPORT_LE);
if ((sec_flag & BTM_SEC_FLAG_LKEY_KNOWN) == 0)
to_add = FALSE;
}
if (/*p_cb->dscp_info.flag & BTA_HH_LE_NORMAL_CONN &&*/
!p_cb->in_bg_conn && to_add)
{
/* add device into BG connection to accept remote initiated connection */
BTA_GATTC_Open(bta_hh_cb.gatt_if, p_cb->addr, FALSE, BTA_GATT_TRANSPORT_LE);
p_cb->in_bg_conn = TRUE;
BTA_DmBleSetBgConnType(BTA_DM_BLE_CONN_AUTO, NULL);
}
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 bta_hh_le_add_device(tBTA_HH_DEV_CB *p_cb, tBTA_HH_MAINT_DEV *p_dev_info)
{
p_cb->hid_handle = BTA_HH_GET_LE_DEV_HDL(p_cb->index);
bta_hh_cb.le_cb_index[BTA_HH_GET_LE_CB_IDX(p_cb->hid_handle)] = p_cb->index;
/* update DI information */
bta_hh_update_di_info(p_cb,
p_dev_info->dscp_info.vendor_id,
p_dev_info->dscp_info.product_id,
p_dev_info->dscp_info.version,
p_dev_info->dscp_info.flag);
/* add to BTA device list */
bta_hh_add_device_to_list(p_cb, p_cb->hid_handle,
p_dev_info->attr_mask,
&p_dev_info->dscp_info.descriptor,
p_dev_info->sub_class,
p_dev_info->dscp_info.ssr_max_latency,
p_dev_info->dscp_info.ssr_min_tout,
p_dev_info->app_id);
bta_hh_le_add_dev_bg_conn(p_cb, FALSE);
return p_cb->hid_handle;
}
/*******************************************************************************
**
** Function bta_hh_le_remove_dev_bg_conn
**
** Description Remove a LE HID device from back ground connection procedure.
**
** Returns void
**
*******************************************************************************/
void bta_hh_le_remove_dev_bg_conn(tBTA_HH_DEV_CB *p_dev_cb)
{
if (p_dev_cb->in_bg_conn)
{
p_dev_cb->in_bg_conn = FALSE;
BTA_GATTC_CancelOpen(bta_hh_cb.gatt_if, p_dev_cb->addr, FALSE);
}
}
/*******************************************************************************
**
** Function bta_hh_le_update_scpp
**
** Description action function to update the scan parameters on remote HID
** device
**
** Parameters:
**
*******************************************************************************/
void bta_hh_le_update_scpp(tBTA_HH_DEV_CB *p_dev_cb, tBTA_HH_DATA *p_buf)
{
UINT8 value[4], *p = value;
tBTA_HH_CBDATA cback_data;
if (!p_dev_cb->is_le_device ||
p_dev_cb->mode != BTA_HH_PROTO_RPT_MODE ||
p_dev_cb->scps_supported == FALSE) {
APPL_TRACE_ERROR("Can not set ScPP scan paramter as boot host, or remote does not support ScPP ");
cback_data.handle = p_dev_cb->hid_handle;
cback_data.status = BTA_HH_ERR;
(* bta_hh_cb.p_cback)(BTA_HH_UPDATE_SCPP_EVT, (tBTA_HH *)&cback_data);
return;
}
p_dev_cb->w4_evt = BTA_HH_UPDATE_SCPP_EVT;
UINT16_TO_STREAM(p, p_buf->le_scpp_update.scan_int);
UINT16_TO_STREAM(p, p_buf->le_scpp_update.scan_win);
gatt_queue_write_op(GATT_WRITE_CHAR, p_dev_cb->conn_id, p_dev_cb->scan_refresh_char_handle, 2,
value, BTA_GATTC_TYPE_WRITE_NO_RSP);
}
/*******************************************************************************
**
** 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;
UINT16 evt;
#if BTA_HH_DEBUG
APPL_TRACE_DEBUG("bta_hh_gattc_callback event = %d", event);
#endif
if (p_data == NULL)
return;
switch (event)
{
case BTA_GATTC_REG_EVT: /* 0 */
bta_hh_le_register_cmpl(&p_data->reg_oper);
break;
case BTA_GATTC_DEREG_EVT: /* 1 */
bta_hh_cleanup_disable(p_data->reg_oper.status);
break;
case BTA_GATTC_OPEN_EVT: /* 2 */
p_dev_cb = bta_hh_le_find_dev_cb_by_bda(p_data->open.remote_bda);
if (p_dev_cb) {
bta_hh_sm_execute(p_dev_cb, BTA_HH_GATT_OPEN_EVT, (tBTA_HH_DATA *)&p_data->open);
}
break;
case BTA_GATTC_READ_CHAR_EVT: /* 3 */
case BTA_GATTC_READ_DESCR_EVT: /* 8 */
mark_as_not_executing(p_data->read.conn_id);
gatt_execute_next_op(p_data->read.conn_id);
p_dev_cb = bta_hh_le_find_dev_cb_by_conn_id(p_data->read.conn_id);
if (event == BTA_GATTC_READ_CHAR_EVT)
evt = BTA_HH_GATT_READ_CHAR_CMPL_EVT;
else
evt = BTA_HH_GATT_READ_DESCR_CMPL_EVT;
bta_hh_sm_execute(p_dev_cb, evt, (tBTA_HH_DATA *)&p_data->read);
break;
case BTA_GATTC_WRITE_DESCR_EVT: /* 9 */
case BTA_GATTC_WRITE_CHAR_EVT: /* 4 */
mark_as_not_executing(p_data->write.conn_id);
gatt_execute_next_op(p_data->write.conn_id);
p_dev_cb = bta_hh_le_find_dev_cb_by_conn_id(p_data->write.conn_id);
if (event == BTA_GATTC_WRITE_CHAR_EVT)
evt = BTA_HH_GATT_WRITE_CHAR_CMPL_EVT;
else
evt = BTA_HH_GATT_WRITE_DESCR_CMPL_EVT;
bta_hh_sm_execute(p_dev_cb, evt, (tBTA_HH_DATA *)&p_data->write);
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_le_hid_read_rpt_clt_cfg
**
** Description a test command to read report descriptor client configuration
**
** Returns void
**
*******************************************************************************/
void bta_hh_le_hid_read_rpt_clt_cfg(BD_ADDR bd_addr, UINT8 rpt_id)
{
tBTA_HH_DEV_CB *p_cb = NULL;
tBTA_HH_LE_RPT *p_rpt ;
UINT8 index = BTA_HH_IDX_INVALID;
index = bta_hh_find_cb(bd_addr);
if ((index = bta_hh_find_cb(bd_addr))== BTA_HH_IDX_INVALID)
{
APPL_TRACE_ERROR("unknown device");
return;
}
p_cb = &bta_hh_cb.kdev[index];
p_rpt = bta_hh_le_find_rpt_by_idtype(p_cb->hid_srvc.report, p_cb->mode, BTA_HH_RPTT_INPUT, rpt_id);
if (p_rpt == NULL)
{
APPL_TRACE_ERROR("bta_hh_le_write_rpt: no matching report");
return;
}
bta_hh_le_read_char_dscrpt(p_cb, p_rpt->char_inst_id, GATT_UUID_CHAR_CLIENT_CONFIG);
return;
}
/*******************************************************************************
**
** Function bta_hh_le_register_scpp_notif
**
** Description register scan parameter refresh notitication complete
**
**
** Parameters:
**
*******************************************************************************/
static void bta_hh_le_register_scpp_notif(tBTA_HH_DEV_CB *p_dev_cb, tBTA_GATT_STATUS status)
{
UINT8 sec_flag=0;
/* if write scan parameter sucessful */
/* if bonded and notification is not enabled, configure the client configuration */
if (status == BTA_GATT_OK &&
(p_dev_cb->scps_notify & BTA_HH_LE_SCPS_NOTIFY_SPT) != 0 &&
(p_dev_cb->scps_notify & BTA_HH_LE_SCPS_NOTIFY_ENB) == 0)
{
BTM_GetSecurityFlagsByTransport(p_dev_cb->addr, &sec_flag, BT_TRANSPORT_LE);
if ((sec_flag & BTM_SEC_FLAG_LKEY_KNOWN))
{
if (bta_hh_le_write_char_clt_cfg (p_dev_cb, p_dev_cb->scan_refresh_char_handle,
BTA_GATT_CLT_CONFIG_NOTIFICATION))
{
BTA_GATTC_RegisterForNotifications(bta_hh_cb.gatt_if, p_dev_cb->addr,
p_dev_cb->scan_refresh_char_handle);
return;
}
}
}
bta_hh_le_register_scpp_notif_cmpl(p_dev_cb, status);
}
/*******************************************************************************
**
** Function bta_hh_le_register_scpp_notif_cmpl
**
** Description action function to register scan parameter refresh notitication
**
** Parameters:
**
*******************************************************************************/
static void bta_hh_le_register_scpp_notif_cmpl(tBTA_HH_DEV_CB *p_dev_cb, tBTA_GATT_STATUS status)
{
tBTA_HH_CBDATA cback_data ;
UINT16 cb_evt = p_dev_cb->w4_evt;
if (status == BTA_GATT_OK)
p_dev_cb->scps_notify = (BTA_HH_LE_SCPS_NOTIFY_ENB | BTA_HH_LE_SCPS_NOTIFY_SPT);
cback_data.handle = p_dev_cb->hid_handle;
cback_data.status = (status == BTA_GATT_OK)? 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_process_cache_rpt
**
** Description Process the cached reports
**
** Parameters:
**
*******************************************************************************/
//TODO(jpawlowski): uncomment when fixed
// static void bta_hh_process_cache_rpt (tBTA_HH_DEV_CB *p_cb,
// tBTA_HH_RPT_CACHE_ENTRY *p_rpt_cache,
// UINT8 num_rpt)
// {
// UINT8 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,
// p_rpt_cache->prop)) == NULL)
// {
// APPL_TRACE_ERROR("bta_hh_process_cache_rpt: allocation report entry failure");
// break;
// }
// else
// {
// p_rpt->rpt_type = p_rpt_cache->rpt_type;
// p_rpt->rpt_id = p_rpt_cache->rpt_id;
// if(p_rpt->uuid == GATT_UUID_HID_BT_KB_INPUT ||
// p_rpt->uuid == GATT_UUID_HID_BT_MOUSE_INPUT ||
// (p_rpt->uuid == GATT_UUID_HID_REPORT && p_rpt->rpt_type == BTA_HH_RPTT_INPUT))
// {
// p_rpt->client_cfg_value = BTA_GATT_CLT_CONFIG_NOTIFICATION;
// }
// }
// }
// }
// }
#endif