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/******************************************************************************
*
* Copyright 2016 The Android Open Source Project
* Copyright 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 API in the subsystem of BTA.
*
******************************************************************************/
#include "bt_target.h"
#if defined(BTA_HD_INCLUDED) && (BTA_HD_INCLUDED == TRUE)
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "bta_hd_api.h"
#include "bta_hd_int.h"
/*****************************************************************************
* Constants
****************************************************************************/
static const tBTA_SYS_REG bta_hd_reg = {bta_hd_hdl_event, BTA_HdDisable};
/*******************************************************************************
*
* Function BTA_HdEnable
*
* Description Enables HID device
*
* Returns void
*
******************************************************************************/
void BTA_HdEnable(tBTA_HD_CBACK* p_cback) {
APPL_TRACE_API("%s", __func__);
bta_sys_register(BTA_ID_HD, &bta_hd_reg);
tBTA_HD_API_ENABLE* p_buf =
(tBTA_HD_API_ENABLE*)osi_malloc((uint16_t)sizeof(tBTA_HD_API_ENABLE));
memset(p_buf, 0, sizeof(tBTA_HD_API_ENABLE));
p_buf->hdr.event = BTA_HD_API_ENABLE_EVT;
p_buf->p_cback = p_cback;
bta_sys_sendmsg(p_buf);
}
/*******************************************************************************
*
* Function BTA_HdDisable
*
* Description Disables HID device.
*
* Returns void
*
******************************************************************************/
void BTA_HdDisable(void) {
APPL_TRACE_API("%s", __func__);
bta_sys_deregister(BTA_ID_HD);
BT_HDR* p_buf = (BT_HDR*)osi_malloc(sizeof(BT_HDR));
p_buf->event = BTA_HD_API_DISABLE_EVT;
bta_sys_sendmsg(p_buf);
}
/*******************************************************************************
*
* Function BTA_HdRegisterApp
*
* Description This function is called when application should be
*registered
*
* Returns void
*
******************************************************************************/
extern void BTA_HdRegisterApp(tBTA_HD_APP_INFO* p_app_info,
tBTA_HD_QOS_INFO* p_in_qos,
tBTA_HD_QOS_INFO* p_out_qos) {
APPL_TRACE_API("%s", __func__);
tBTA_HD_REGISTER_APP* p_buf =
(tBTA_HD_REGISTER_APP*)osi_malloc(sizeof(tBTA_HD_REGISTER_APP));
p_buf->hdr.event = BTA_HD_API_REGISTER_APP_EVT;
if (p_app_info->p_name) {
strlcpy(p_buf->name, p_app_info->p_name, BTA_HD_APP_NAME_LEN);
} else {
p_buf->name[0] = '\0';
}
if (p_app_info->p_description) {
strlcpy(p_buf->description, p_app_info->p_description,
BTA_HD_APP_DESCRIPTION_LEN);
} else {
p_buf->description[0] = '\0';
}
if (p_app_info->p_provider) {
strlcpy(p_buf->provider, p_app_info->p_provider, BTA_HD_APP_PROVIDER_LEN);
} else {
p_buf->provider[0] = '\0';
}
p_buf->subclass = p_app_info->subclass;
p_buf->d_len = p_app_info->descriptor.dl_len;
memcpy(p_buf->d_data, p_app_info->descriptor.dsc_list,
p_app_info->descriptor.dl_len);
// copy qos data as-is
memcpy(&p_buf->in_qos, p_in_qos, sizeof(tBTA_HD_QOS_INFO));
memcpy(&p_buf->out_qos, p_out_qos, sizeof(tBTA_HD_QOS_INFO));
bta_sys_sendmsg(p_buf);
}
/*******************************************************************************
*
* Function BTA_HdUnregisterApp
*
* Description This function is called when application should be
*unregistered
*
* Returns void
*
******************************************************************************/
extern void BTA_HdUnregisterApp(void) {
APPL_TRACE_API("%s", __func__);
BT_HDR* p_buf = (BT_HDR*)osi_malloc(sizeof(BT_HDR));
p_buf->event = BTA_HD_API_UNREGISTER_APP_EVT;
bta_sys_sendmsg(p_buf);
}
/*******************************************************************************
*
* Function BTA_HdSendReport
*
* Description This function is called when report is to be sent
*
* Returns void
*
******************************************************************************/
extern void BTA_HdSendReport(tBTA_HD_REPORT* p_report) {
APPL_TRACE_VERBOSE("%s", __func__);
if (p_report->len > BTA_HD_REPORT_LEN) {
APPL_TRACE_WARNING(
"%s, report len (%d) > MTU len (%d), can't send report."
" Increase value of HID_DEV_MTU_SIZE to send larger reports",
__func__, p_report->len, BTA_HD_REPORT_LEN);
return;
}
tBTA_HD_SEND_REPORT* p_buf =
(tBTA_HD_SEND_REPORT*)osi_malloc(sizeof(tBTA_HD_SEND_REPORT));
p_buf->hdr.event = BTA_HD_API_SEND_REPORT_EVT;
p_buf->use_intr = p_report->use_intr;
p_buf->type = p_report->type;
p_buf->id = p_report->id;
p_buf->len = p_report->len;
memcpy(p_buf->data, p_report->p_data, p_report->len);
bta_sys_sendmsg(p_buf);
}
/*******************************************************************************
*
* Function BTA_HdVirtualCableUnplug
*
* Description This function is called when VCU shall be sent
*
* Returns void
*
******************************************************************************/
extern void BTA_HdVirtualCableUnplug(void) {
APPL_TRACE_API("%s", __func__);
BT_HDR* p_buf = (BT_HDR*)osi_malloc(sizeof(BT_HDR));
p_buf->event = BTA_HD_API_VC_UNPLUG_EVT;
bta_sys_sendmsg(p_buf);
}
/*******************************************************************************
*
* Function BTA_HdConnect
*
* Description This function is called when connection to host shall be
*made
*
* Returns void
*
******************************************************************************/
extern void BTA_HdConnect(const RawAddress& addr) {
APPL_TRACE_API("%s", __func__);
tBTA_HD_DEVICE_CTRL* p_buf =
(tBTA_HD_DEVICE_CTRL*)osi_malloc(sizeof(tBTA_HD_DEVICE_CTRL));
p_buf->hdr.event = BTA_HD_API_CONNECT_EVT;
p_buf->addr = addr;
bta_sys_sendmsg(p_buf);
}
/*******************************************************************************
*
* Function BTA_HdDisconnect
*
* Description This function is called when host shall be disconnected
*
* Returns void
*
******************************************************************************/
extern void BTA_HdDisconnect(void) {
APPL_TRACE_API("%s", __func__);
BT_HDR* p_buf = (BT_HDR*)osi_malloc(sizeof(BT_HDR));
p_buf->event = BTA_HD_API_DISCONNECT_EVT;
bta_sys_sendmsg(p_buf);
}
/*******************************************************************************
*
* Function BTA_HdAddDevice
*
* Description This function is called when a device is virtually cabled
*
* Returns void
*
******************************************************************************/
extern void BTA_HdAddDevice(const RawAddress& addr) {
APPL_TRACE_API("%s", __func__);
tBTA_HD_DEVICE_CTRL* p_buf =
(tBTA_HD_DEVICE_CTRL*)osi_malloc(sizeof(tBTA_HD_DEVICE_CTRL));
p_buf->hdr.event = BTA_HD_API_ADD_DEVICE_EVT;
p_buf->addr = addr;
bta_sys_sendmsg(p_buf);
}
/*******************************************************************************
*
* Function BTA_HdRemoveDevice
*
* Description This function is called when a device is virtually uncabled
*
* Returns void
*
******************************************************************************/
extern void BTA_HdRemoveDevice(const RawAddress& addr) {
APPL_TRACE_API("%s", __func__);
tBTA_HD_DEVICE_CTRL* p_buf =
(tBTA_HD_DEVICE_CTRL*)osi_malloc(sizeof(tBTA_HD_DEVICE_CTRL));
p_buf->hdr.event = BTA_HD_API_REMOVE_DEVICE_EVT;
p_buf->addr = addr;
bta_sys_sendmsg(p_buf);
}
/*******************************************************************************
*
* Function BTA_HdReportError
*
* Description This function is called when reporting error for set report
*
* Returns void
*
******************************************************************************/
extern void BTA_HdReportError(uint8_t error) {
APPL_TRACE_API("%s", __func__);
tBTA_HD_REPORT_ERR* p_buf =
(tBTA_HD_REPORT_ERR*)osi_malloc(sizeof(tBTA_HD_REPORT_ERR));
p_buf->hdr.event = BTA_HD_API_REPORT_ERROR_EVT;
p_buf->error = error;
bta_sys_sendmsg(p_buf);
}
#endif /* BTA_HD_INCLUDED */