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 24 static int legacy_cbk(uint32_t hub_id, const HubMessage &rxMsg, void *cookie) 25 { 26 return mSavedCbk(hub_id, &rxMsg, cookie); 27 } 28 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 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 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
