1 /*
2 * Copyright (C) 2018 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include "nanohub_perdevice.h"
18 #include "nanohubhal.h"
19
20 using namespace android::nanohub;
21
22 static context_hub_callback *mSavedCbk = nullptr;
23
legacy_cbk(uint32_t hub_id,const HubMessage & rxMsg,void * cookie)24 static int legacy_cbk(uint32_t hub_id, const HubMessage &rxMsg, void *cookie)
25 {
26 return mSavedCbk(hub_id, &rxMsg, cookie);
27 }
28
legacy_subscribe_messages(uint32_t hub_id,context_hub_callback * cbk,void * cookie)29 static int legacy_subscribe_messages(uint32_t hub_id, context_hub_callback *cbk, void *cookie)
30 {
31 mSavedCbk = cbk;
32 if (cbk)
33 return NanoHub::subscribeMessages(hub_id, legacy_cbk, cookie);
34 else
35 return NanoHub::subscribeMessages(hub_id, nullptr, nullptr);
36 }
37
legacy_send_message(uint32_t hub_id,const hub_message_t * msg)38 static int legacy_send_message(uint32_t hub_id, const hub_message_t *msg)
39 {
40 return NanoHub::sendToNanohub(hub_id, msg, 0, ENDPOINT_UNSPECIFIED);
41 }
42
legacy_get_hubs(context_hub_module_t *,const context_hub_t ** list)43 static int legacy_get_hubs(context_hub_module_t*, const context_hub_t ** list)
44 {
45 *list = get_hub_info();
46
47 return 1; /* we have one hub */
48 }
49
50 context_hub_module_t HAL_MODULE_INFO_SYM = {
51 .common = {
52 .tag = HARDWARE_MODULE_TAG,
53 .module_api_version = CONTEXT_HUB_DEVICE_API_VERSION_1_0,
54 .hal_api_version = HARDWARE_HAL_API_VERSION,
55 .id = CONTEXT_HUB_MODULE_ID,
56 .name = "Nanohub HAL",
57 .author = "Google",
58 },
59
60 .get_hubs = legacy_get_hubs,
61 .subscribe_messages = legacy_subscribe_messages,
62 .send_message = legacy_send_message,
63 };
64