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esp-idf/components/bt/host/bluedroid/bta/hd/bta_hd_act.c

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/******************************************************************************
*
* Copyright (C) 2016 The Android Open Source Project
* Copyright (C) 2005-2012 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.
*
******************************************************************************/
/******************************************************************************
*
* This file contains the HID device action functions.
*
******************************************************************************/
#include "common/bt_target.h"
#if defined(BTA_HD_INCLUDED) && (BTA_HD_INCLUDED == TRUE)
#include "bta/bta_sys.h"
#include "bta_hd_int.h"
#include "osi/allocator.h"
#include "osi/osi.h"
#include "stack/btm_api.h"
#include <string.h>
static void bta_hd_cback(BD_ADDR bd_addr, uint8_t event, uint32_t data, BT_HDR *pdata);
static bool check_descriptor(uint8_t *data, uint16_t length, bool *has_report_id)
{
uint8_t *ptr = data;
*has_report_id = FALSE;
while (ptr < data + length) {
uint8_t item = *ptr++;
switch (item) {
case 0xfe: // long item indicator
if (ptr < data + length) {
ptr += ((*ptr) + 2);
} else {
return false;
}
break;
case 0x85: // Report ID
*has_report_id = TRUE;
default:
ptr += (item & 0x03);
break;
}
}
return (ptr == data + length);
}
/*******************************************************************************
*
* Function bta_hd_api_enable
*
* Description Enables HID device
*
* Returns void
*
******************************************************************************/
void bta_hd_api_enable(tBTA_HD_DATA *p_data)
{
tBTA_HD_STATUS status = BTA_HD_ERROR;
tHID_STATUS ret;
APPL_TRACE_API("%s", __func__);
HID_DevInit();
memset(&bta_hd_cb, 0, sizeof(tBTA_HD_CB));
HID_DevSetSecurityLevel(BTA_SEC_AUTHENTICATE | BTA_SEC_ENCRYPT);
/* store parameters */
bta_hd_cb.p_cback = p_data->api_enable.p_cback;
ret = HID_DevRegister(bta_hd_cback);
if (ret == HID_SUCCESS) {
status = BTA_HD_OK;
} else {
APPL_TRACE_ERROR("%s: Failed to register HID device (%d)", __func__, ret);
}
/* signal BTA call back event */
(*bta_hd_cb.p_cback)(BTA_HD_ENABLE_EVT, (tBTA_HD *)&status);
}
/*******************************************************************************
*
* Function bta_hd_api_disable
*
* Description Disables HID device
*
* Returns void
*
******************************************************************************/
void bta_hd_api_disable(void)
{
tBTA_HD_STATUS status = BTA_HD_ERROR;
tHID_STATUS ret;
APPL_TRACE_API("%s", __func__);
/* service is not enabled */
if (bta_hd_cb.p_cback == NULL)
return;
/* Remove service record */
if (bta_hd_cb.sdp_handle != 0) {
SDP_DeleteRecord(bta_hd_cb.sdp_handle);
bta_sys_remove_uuid(UUID_SERVCLASS_HUMAN_INTERFACE);
}
/* Deregister with lower layer */
ret = HID_DevDeregister();
if (ret == HID_SUCCESS) {
status = BTA_HD_OK;
} else {
APPL_TRACE_ERROR("%s: Failed to deregister HID device (%d)", __func__, ret);
}
(*bta_hd_cb.p_cback)(BTA_HD_DISABLE_EVT, (tBTA_HD *)&status);
memset(&bta_hd_cb, 0, sizeof(tBTA_HD_CB));
}
/*******************************************************************************
*
* Function bta_hd_register_act
*
* Description Registers SDP record
*
* Returns void
*
******************************************************************************/
void bta_hd_register_act(tBTA_HD_DATA *p_data)
{
tBTA_HD ret;
tBTA_HD_REGISTER_APP *p_app_data = (tBTA_HD_REGISTER_APP *)p_data;
bool use_report_id = FALSE;
APPL_TRACE_API("%s", __func__);
ret.reg_status.in_use = FALSE;
/* Check if len doesn't exceed BTA_HD_APP_DESCRIPTOR_LEN and descriptor
* itself is well-formed. Also check if descriptor has Report Id item so we
* know if report will have prefix or not. */
if (p_app_data->d_len > BTA_HD_APP_DESCRIPTOR_LEN ||
!check_descriptor(p_app_data->d_data, p_app_data->d_len, &use_report_id)) {
APPL_TRACE_ERROR("%s: Descriptor is too long or malformed", __func__);
ret.reg_status.status = BTA_HD_ERROR;
(*bta_hd_cb.p_cback)(BTA_HD_REGISTER_APP_EVT, &ret);
return;
}
ret.reg_status.status = BTA_HD_OK;
/* Remove old record if for some reason it's already registered */
if (bta_hd_cb.sdp_handle != 0) {
SDP_DeleteRecord(bta_hd_cb.sdp_handle);
}
bta_hd_cb.use_report_id = use_report_id;
bta_hd_cb.sdp_handle = SDP_CreateRecord();
HID_DevAddRecord(bta_hd_cb.sdp_handle, p_app_data->name, p_app_data->description, p_app_data->provider,
p_app_data->subclass, p_app_data->d_len, p_app_data->d_data);
bta_sys_add_uuid(UUID_SERVCLASS_HUMAN_INTERFACE);
HID_DevSetIncomingQos(p_app_data->in_qos.service_type, p_app_data->in_qos.token_rate,
p_app_data->in_qos.token_bucket_size, p_app_data->in_qos.peak_bandwidth,
p_app_data->in_qos.access_latency, p_app_data->in_qos.delay_variation);
HID_DevSetOutgoingQos(p_app_data->out_qos.service_type, p_app_data->out_qos.token_rate,
p_app_data->out_qos.token_bucket_size, p_app_data->out_qos.peak_bandwidth,
p_app_data->out_qos.access_latency, p_app_data->out_qos.delay_variation);
// application is registered so we can accept incoming connections
HID_DevSetIncomingPolicy(TRUE);
if (HID_DevGetDevice(&ret.reg_status.bda) == HID_SUCCESS) {
ret.reg_status.in_use = TRUE;
}
(*bta_hd_cb.p_cback)(BTA_HD_REGISTER_APP_EVT, &ret);
}
/*******************************************************************************
*
* Function bta_hd_unregister_act
*
* Description Unregisters SDP record
*
* Returns void
*
******************************************************************************/
void bta_hd_unregister_act(UNUSED_ATTR tBTA_HD_DATA *p_data)
{
tBTA_HD_STATUS status = BTA_HD_OK;
APPL_TRACE_API("%s", __func__);
// application is no longer registered so we do not want incoming connections
HID_DevSetIncomingPolicy(FALSE);
if (bta_hd_cb.sdp_handle != 0) {
SDP_DeleteRecord(bta_hd_cb.sdp_handle);
}
bta_hd_cb.sdp_handle = 0;
bta_sys_remove_uuid(UUID_SERVCLASS_HUMAN_INTERFACE);
(*bta_hd_cb.p_cback)(BTA_HD_UNREGISTER_APP_EVT, (tBTA_HD *)&status);
}
/*******************************************************************************
*
* Function bta_hd_unregister2_act
*
* Description
*
* Returns void
*
******************************************************************************/
void bta_hd_unregister2_act(tBTA_HD_DATA *p_data)
{
APPL_TRACE_API("%s", __func__);
// close first
bta_hd_close_act(p_data);
// then unregister
bta_hd_unregister_act(p_data);
if (bta_hd_cb.disable_w4_close) {
bta_hd_api_disable();
}
}
/*******************************************************************************
*
* Function bta_hd_connect_act
*
* Description Connect to device (must be virtually plugged)
*
* Returns void
*
******************************************************************************/
extern void bta_hd_connect_act(tBTA_HD_DATA *p_data)
{
tHID_STATUS ret;
tBTA_HD_DEVICE_CTRL *p_ctrl = (tBTA_HD_DEVICE_CTRL *)p_data;
tBTA_HD cback_data;
APPL_TRACE_API("%s", __func__);
do {
ret = HID_DevPlugDevice(p_ctrl->addr);
if (ret != HID_SUCCESS) {
APPL_TRACE_WARNING("%s: HID_DevPlugDevice returned %d", __func__, ret);
return;
}
ret = HID_DevConnect();
if (ret != HID_SUCCESS) {
APPL_TRACE_WARNING("%s: HID_DevConnect returned %d", __func__, ret);
return;
}
} while (0);
bdcpy(cback_data.conn.bda, p_ctrl->addr);
cback_data.conn.status = (ret == HID_SUCCESS ? BTA_HD_OK : BTA_HD_ERROR);
cback_data.conn.conn_status = BTA_HD_CONN_STATE_CONNECTING;
bta_hd_cb.p_cback(BTA_HD_OPEN_EVT, &cback_data);
}
/*******************************************************************************
*
* Function bta_hd_disconnect_act
*
* Description Disconnect from device
*
* Returns void
*
******************************************************************************/
extern void bta_hd_disconnect_act(UNUSED_ATTR tBTA_HD_DATA *p_data)
{
tHID_STATUS ret;
tBTA_HD cback_data;
APPL_TRACE_API("%s", __func__);
ret = HID_DevDisconnect();
if (ret != HID_SUCCESS) {
APPL_TRACE_WARNING("%s: HID_DevDisconnect returned %d", __func__, ret);
return;
}
if (HID_DevGetDevice(&cback_data.conn.bda) == HID_SUCCESS) {
cback_data.conn.status = BTA_HD_OK;
cback_data.conn.conn_status = BTA_HD_CONN_STATE_DISCONNECTING;
bta_hd_cb.p_cback(BTA_HD_CLOSE_EVT, &cback_data);
}
}
/*******************************************************************************
*
* Function bta_hd_add_device_act
*
* Description
*
* Returns void
*
******************************************************************************/
extern void bta_hd_add_device_act(tBTA_HD_DATA *p_data)
{
tBTA_HD_DEVICE_CTRL *p_ctrl = (tBTA_HD_DEVICE_CTRL *)p_data;
APPL_TRACE_API("%s", __func__);
HID_DevPlugDevice(p_ctrl->addr);
}
/*******************************************************************************
*
* Function bta_hd_remove_device_act
*
* Description
*
* Returns void
*
******************************************************************************/
extern void bta_hd_remove_device_act(tBTA_HD_DATA *p_data)
{
tBTA_HD_DEVICE_CTRL *p_ctrl = (tBTA_HD_DEVICE_CTRL *)p_data;
APPL_TRACE_API("%s", __func__);
HID_DevUnplugDevice(p_ctrl->addr);
}
/*******************************************************************************
*
* Function bta_hd_send_report_act
*
* Description Sends report
*
* Returns void
*
******************************************************************************/
extern void bta_hd_send_report_act(tBTA_HD_DATA *p_data)
{
tBTA_HD_SEND_REPORT *p_report = (tBTA_HD_SEND_REPORT *)p_data;
uint8_t channel;
uint8_t report_id;
tBTA_HD cback_data;
tHID_STATUS ret;
APPL_TRACE_VERBOSE("%s", __func__);
channel = p_report->use_intr ? HID_CHANNEL_INTR : HID_CHANNEL_CTRL;
report_id = (bta_hd_cb.use_report_id || bta_hd_cb.boot_mode) ? p_report->id : 0x00;
ret = HID_DevSendReport(channel, p_report->type, report_id, p_report->len, p_report->data);
/* trigger PM */
bta_sys_busy(BTA_ID_HD, 1, bta_hd_cb.bd_addr);
bta_sys_idle(BTA_ID_HD, 1, bta_hd_cb.bd_addr);
cback_data.send_report.status = (ret == HID_SUCCESS ? BTA_HD_OK : BTA_HD_ERROR);
cback_data.send_report.reason = ret;
cback_data.send_report.report_id = report_id;
cback_data.send_report.report_type = p_report->type;
bta_hd_cb.p_cback(BTA_HD_SEND_REPORT_EVT, &cback_data);
}
/*******************************************************************************
*
* Function bta_hd_report_error_act
*
* Description
*
* Returns void
*
******************************************************************************/
extern void bta_hd_report_error_act(tBTA_HD_DATA *p_data)
{
tBTA_HD_REPORT_ERR *p_report = (tBTA_HD_REPORT_ERR *)p_data;
tHID_STATUS ret;
tBTA_HD cback_data;
APPL_TRACE_API("%s: error = %d", __func__, p_report->error);
ret = HID_DevReportError(p_report->error);
if (ret != HID_SUCCESS) {
APPL_TRACE_WARNING("%s: HID_DevReportError returned %d", __func__, ret);
}
cback_data.report_err.status = (ret == HID_SUCCESS ? BTA_HD_OK : BTA_HD_ERROR);
cback_data.report_err.reason = ret;
bta_hd_cb.p_cback(BTA_HD_REPORT_ERR_EVT, &cback_data);
}
/*******************************************************************************
*
* Function bta_hd_vc_unplug_act
*
* Description Sends Virtual Cable Unplug
*
* Returns void
*
******************************************************************************/
extern void bta_hd_vc_unplug_act(UNUSED_ATTR tBTA_HD_DATA *p_data)
{
tHID_STATUS ret;
tBTA_HD cback_data = {0};
BD_ADDR plugged_addr = {0};
APPL_TRACE_API("%s", __func__);
bta_hd_cb.vc_unplug = TRUE;
ret = HID_DevVirtualCableUnplug();
if (ret == HID_ERR_NO_CONNECTION) {
/* This is a local VUP without connection, set the vc_unplug to FALSE */
bta_hd_cb.vc_unplug = FALSE;
APPL_TRACE_WARNING("%s: HID_DevVirtualCableUnplug returned %d", __func__, ret);
if (HID_DevGetDevice(&plugged_addr) == HID_SUCCESS) {
HID_DevUnplugDevice(plugged_addr);
}
APPL_TRACE_DEBUG("%s local VUP, remove bda: %02x:%02x:%02x:%02x:%02x:%02x", __func__, plugged_addr[0],
plugged_addr[1], plugged_addr[2], plugged_addr[3], plugged_addr[4], plugged_addr[5]);
cback_data.conn.status = BTA_HD_OK;
cback_data.conn.conn_status = BTA_HD_CONN_STATE_DISCONNECTED;
bta_hd_cb.p_cback(BTA_HD_VC_UNPLUG_EVT, &cback_data);
return;
} else if (ret != HID_SUCCESS) {
APPL_TRACE_WARNING("%s: HID_DevVirtualCableUnplug returned %d", __func__, ret);
}
/* trigger PM */
bta_sys_busy(BTA_ID_HD, 1, bta_hd_cb.bd_addr);
bta_sys_idle(BTA_ID_HD, 1, bta_hd_cb.bd_addr);
}
/*******************************************************************************
*
* Function bta_hd_open_act
*
* Description
*
* Returns void
*
******************************************************************************/
extern void bta_hd_open_act(tBTA_HD_DATA *p_data)
{
tBTA_HD_CBACK_DATA *p_cback = (tBTA_HD_CBACK_DATA *)p_data;
tBTA_HD cback_data;
APPL_TRACE_API("%s", __func__);
HID_DevPlugDevice(p_cback->addr);
bta_sys_conn_open(BTA_ID_HD, 1, p_cback->addr);
bdcpy(cback_data.conn.bda, p_cback->addr);
bdcpy(bta_hd_cb.bd_addr, p_cback->addr);
cback_data.conn.status = BTA_HD_OK;
cback_data.conn.conn_status = BTA_HD_CONN_STATE_CONNECTED;
bta_hd_cb.p_cback(BTA_HD_OPEN_EVT, &cback_data);
}
/*******************************************************************************
*
* Function bta_hd_close_act
*
* Description
*
* Returns void
*
******************************************************************************/
extern void bta_hd_close_act(tBTA_HD_DATA *p_data)
{
tBTA_HD_CBACK_DATA *p_cback = (tBTA_HD_CBACK_DATA *)p_data;
tBTA_HD cback_data;
tBTA_HD_EVT cback_event = BTA_HD_CLOSE_EVT;
APPL_TRACE_API("%s", __func__);
bta_sys_conn_close(BTA_ID_HD, 1, p_cback->addr);
if (bta_hd_cb.vc_unplug) {
bta_hd_cb.vc_unplug = FALSE;
HID_DevUnplugDevice(p_cback->addr);
cback_event = BTA_HD_VC_UNPLUG_EVT;
}
bdcpy(cback_data.conn.bda, p_cback->addr);
memset(bta_hd_cb.bd_addr, 0, sizeof(BD_ADDR));
cback_data.conn.status = BTA_HD_OK;
cback_data.conn.conn_status = BTA_HD_CONN_STATE_DISCONNECTED;
bta_hd_cb.p_cback(cback_event, &cback_data);
}
/*******************************************************************************
*
* Function bta_hd_intr_data_act
*
* Description Handles incoming DATA request on intr
*
* Returns void
*
******************************************************************************/
extern void bta_hd_intr_data_act(tBTA_HD_DATA *p_data)
{
tBTA_HD_CBACK_DATA *p_cback = (tBTA_HD_CBACK_DATA *)p_data;
BT_HDR *p_msg = p_cback->p_data;
uint16_t len = p_msg->len;
uint8_t *p_buf = (uint8_t *)(p_msg + 1) + p_msg->offset;
tBTA_HD_INTR_DATA ret;
APPL_TRACE_API("%s", __func__);
if (bta_hd_cb.use_report_id || bta_hd_cb.boot_mode) {
ret.report_id = *p_buf;
len--;
p_buf++;
} else {
ret.report_id = 0;
}
ret.len = len;
ret.p_data = p_buf;
(*bta_hd_cb.p_cback)(BTA_HD_INTR_DATA_EVT, (tBTA_HD *)&ret);
if (p_msg) {
osi_free(p_msg);
}
}
/*******************************************************************************
*
* Function bta_hd_get_report_act
*
* Description Handles incoming GET_REPORT request
*
* Returns void
*
******************************************************************************/
extern void bta_hd_get_report_act(tBTA_HD_DATA *p_data)
{
tBTA_HD_CBACK_DATA *p_cback = (tBTA_HD_CBACK_DATA *)p_data;
bool rep_size_follows = p_cback->data;
BT_HDR *p_msg = p_cback->p_data;
uint8_t *p_buf = (uint8_t *)(p_msg + 1) + p_msg->offset;
tBTA_HD_GET_REPORT ret = {0, 0, 0};
uint16_t remaining_len = p_msg->len;
APPL_TRACE_API("%s", __func__);
if (remaining_len < 1) {
APPL_TRACE_ERROR("%s invalid data, remaining_len:%d", __func__, remaining_len);
return;
}
ret.report_type = *p_buf & HID_PAR_REP_TYPE_MASK;
p_buf++;
remaining_len--;
if (bta_hd_cb.use_report_id) {
if (remaining_len < 1) {
APPL_TRACE_ERROR("%s invalid data, remaining_len:%d", __func__, remaining_len);
return;
}
ret.report_id = *p_buf;
p_buf++;
remaining_len--;
}
if (rep_size_follows) {
if (remaining_len < 2) {
APPL_TRACE_ERROR("%s invalid data, remaining_len:%d", __func__, remaining_len);
return;
}
ret.buffer_size = *p_buf | (*(p_buf + 1) << 8);
}
(*bta_hd_cb.p_cback)(BTA_HD_GET_REPORT_EVT, (tBTA_HD *)&ret);
if (p_msg) {
osi_free(p_msg);
}
}
/*******************************************************************************
*
* Function bta_hd_set_report_act
*
* Description Handles incoming SET_REPORT request
*
* Returns void
*
******************************************************************************/
extern void bta_hd_set_report_act(tBTA_HD_DATA *p_data)
{
tBTA_HD_CBACK_DATA *p_cback = (tBTA_HD_CBACK_DATA *)p_data;
BT_HDR *p_msg = p_cback->p_data;
uint16_t len = p_msg->len;
uint8_t *p_buf = (uint8_t *)(p_msg + 1) + p_msg->offset;
tBTA_HD_SET_REPORT ret = {0, 0, 0, NULL};
APPL_TRACE_API("%s", __func__);
ret.report_type = *p_buf & HID_PAR_REP_TYPE_MASK;
p_buf++;
len--;
if (bta_hd_cb.use_report_id || bta_hd_cb.boot_mode) {
ret.report_id = *p_buf;
len--;
p_buf++;
} else {
ret.report_id = 0;
}
ret.len = len;
ret.p_data = p_buf;
(*bta_hd_cb.p_cback)(BTA_HD_SET_REPORT_EVT, (tBTA_HD *)&ret);
if (p_msg) {
osi_free(p_msg);
}
}
/*******************************************************************************
*
* Function bta_hd_set_protocol_act
*
* Description
*
* Returns void
*
******************************************************************************/
extern void bta_hd_set_protocol_act(tBTA_HD_DATA *p_data)
{
tBTA_HD_CBACK_DATA *p_cback = (tBTA_HD_CBACK_DATA *)p_data;
tBTA_HD cback_data;
APPL_TRACE_API("%s", __func__);
bta_hd_cb.boot_mode = (p_cback->data == HID_PAR_PROTOCOL_BOOT_MODE);
cback_data.set_protocol = p_cback->data;
(*bta_hd_cb.p_cback)(BTA_HD_SET_PROTOCOL_EVT, &cback_data);
}
/*******************************************************************************
*
* Function bta_hd_vc_unplug_done_act
*
* Description
*
* Returns void
*
******************************************************************************/
extern void bta_hd_vc_unplug_done_act(tBTA_HD_DATA *p_data)
{
tBTA_HD_CBACK_DATA *p_cback = (tBTA_HD_CBACK_DATA *)p_data;
tBTA_HD cback_data;
APPL_TRACE_API("%s", __func__);
bta_sys_conn_close(BTA_ID_HD, 1, p_cback->addr);
HID_DevUnplugDevice(p_cback->addr);
bdcpy(cback_data.conn.bda, p_cback->addr);
bdcpy(bta_hd_cb.bd_addr, p_cback->addr);
cback_data.conn.status = BTA_HD_OK;
cback_data.conn.conn_status = BTA_HD_CONN_STATE_DISCONNECTED;
(*bta_hd_cb.p_cback)(BTA_HD_VC_UNPLUG_EVT, &cback_data);
}
/*******************************************************************************
*
* Function bta_hd_suspend_act
*
* Description
*
* Returns void
*
******************************************************************************/
extern void bta_hd_suspend_act(tBTA_HD_DATA *p_data)
{
tBTA_HD_CBACK_DATA *p_cback = (tBTA_HD_CBACK_DATA *)p_data;
APPL_TRACE_API("%s", __func__);
bta_sys_idle(BTA_ID_HD, 1, p_cback->addr);
}
/*******************************************************************************
*
* Function bta_hd_exit_suspend_act
*
* Description
*
* Returns void
*
******************************************************************************/
extern void bta_hd_exit_suspend_act(tBTA_HD_DATA *p_data)
{
tBTA_HD_CBACK_DATA *p_cback = (tBTA_HD_CBACK_DATA *)p_data;
APPL_TRACE_API("%s", __func__);
bta_sys_busy(BTA_ID_HD, 1, p_cback->addr);
bta_sys_idle(BTA_ID_HD, 1, p_cback->addr);
}
/*******************************************************************************
*
* Function bta_hd_cback
*
* Description BTA HD callback function
*
* Returns void
*
******************************************************************************/
static void bta_hd_cback(BD_ADDR bd_addr, uint8_t event, uint32_t data, BT_HDR *pdata)
{
tBTA_HD_CBACK_DATA *p_buf = NULL;
uint16_t sm_event = BTA_HD_INVALID_EVT;
APPL_TRACE_API("%s: event=%d", __func__, event);
switch (event) {
case HID_DHOST_EVT_OPEN:
sm_event = BTA_HD_INT_OPEN_EVT;
break;
case HID_DHOST_EVT_CLOSE:
sm_event = BTA_HD_INT_CLOSE_EVT;
break;
case HID_DHOST_EVT_GET_REPORT:
sm_event = BTA_HD_INT_GET_REPORT_EVT;
break;
case HID_DHOST_EVT_SET_REPORT:
sm_event = BTA_HD_INT_SET_REPORT_EVT;
break;
case HID_DHOST_EVT_SET_PROTOCOL:
sm_event = BTA_HD_INT_SET_PROTOCOL_EVT;
break;
case HID_DHOST_EVT_INTR_DATA:
sm_event = BTA_HD_INT_INTR_DATA_EVT;
break;
case HID_DHOST_EVT_VC_UNPLUG:
sm_event = BTA_HD_INT_VC_UNPLUG_EVT;
break;
case HID_DHOST_EVT_SUSPEND:
sm_event = BTA_HD_INT_SUSPEND_EVT;
break;
case HID_DHOST_EVT_EXIT_SUSPEND:
sm_event = BTA_HD_INT_EXIT_SUSPEND_EVT;
break;
}
if (sm_event != BTA_HD_INVALID_EVT &&
(p_buf = (tBTA_HD_CBACK_DATA *)osi_malloc(sizeof(tBTA_HD_CBACK_DATA) + sizeof(BT_HDR))) != NULL) {
p_buf->hdr.event = sm_event;
bdcpy(p_buf->addr, bd_addr);
p_buf->data = data;
p_buf->p_data = pdata;
bta_sys_sendmsg(p_buf);
}
}
#endif /* BTA_HD_INCLUDED */
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