Yulia Garbovich | f61ea35 | 2021-11-11 14:16:57 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2020-2021 Arm Limited. All rights reserved. |
| 3 | * |
| 4 | * SPDX-License-Identifier: Apache-2.0 |
| 5 | * |
| 6 | * Licensed under the Apache License, Version 2.0 (the License); you may |
| 7 | * not use this file except in compliance with the License. |
| 8 | * You may obtain a copy of the License at |
| 9 | * |
| 10 | * www.apache.org/licenses/LICENSE-2.0 |
| 11 | * |
| 12 | * Unless required by applicable law or agreed to in writing, software |
| 13 | * distributed under the License is distributed on an AS IS BASIS, WITHOUT |
| 14 | * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 15 | * See the License for the specific language governing permissions and |
| 16 | * limitations under the License. |
| 17 | */ |
| 18 | |
| 19 | #ifndef MESSAGE_HANDLER_H |
| 20 | #define MESSAGE_HANDLER_H |
| 21 | |
| 22 | #include "FreeRTOS.h" |
| 23 | #include "queue.h" |
| 24 | #include "semphr.h" |
| 25 | |
| 26 | #include "message_queue.hpp" |
| 27 | #include <inference_process.hpp> |
| 28 | #include <mailbox.hpp> |
| 29 | |
| 30 | #include <cstddef> |
| 31 | #include <cstdio> |
| 32 | #include <vector> |
| 33 | |
| 34 | namespace MessageHandler { |
| 35 | |
| 36 | class IncomingMessageHandler { |
| 37 | public: |
| 38 | IncomingMessageHandler(EthosU::ethosu_core_queue &messageQueue, |
| 39 | Mailbox::Mailbox &mailbox, |
| 40 | QueueHandle_t inferenceQueue, |
| 41 | QueueHandle_t outputQueue); |
| 42 | void run(); |
| 43 | |
| 44 | private: |
| 45 | bool handleMessage(); |
| 46 | void queueErrorAndResetQueue(EthosU::ethosu_core_msg_err_type type, const char *message); |
| 47 | static void handleIrq(void *userArg); |
| 48 | |
| 49 | MessageQueue::QueueImpl messageQueue; |
| 50 | Mailbox::Mailbox &mailbox; |
| 51 | QueueHandle_t inferenceQueue; |
| 52 | QueueHandle_t outputQueue; |
| 53 | SemaphoreHandle_t semaphore; |
| 54 | }; |
| 55 | |
| 56 | class InferenceHandler { |
| 57 | public: |
| 58 | InferenceHandler(uint8_t *tensorArena, size_t arenaSize, QueueHandle_t inferenceQueue, QueueHandle_t outputQueue); |
| 59 | |
| 60 | void run(); |
| 61 | |
| 62 | private: |
| 63 | void runInference(EthosU::ethosu_core_inference_req &req, EthosU::ethosu_core_inference_rsp &rsp); |
| 64 | |
| 65 | QueueHandle_t inferenceQueue; |
| 66 | QueueHandle_t outputQueue; |
| 67 | InferenceProcess::InferenceProcess inference; |
| 68 | }; |
| 69 | |
| 70 | struct OutputMessage { |
| 71 | OutputMessage(EthosU::ethosu_core_msg_type _type = EthosU::ETHOSU_CORE_MSG_MAX) : type(_type) {} |
| 72 | |
| 73 | EthosU::ethosu_core_msg_type type; |
| 74 | union { |
| 75 | EthosU::ethosu_core_inference_rsp inference; |
| 76 | EthosU::ethosu_core_msg_err error; |
| 77 | uint64_t userArg; |
| 78 | } data; |
| 79 | }; |
| 80 | |
| 81 | class OutgoingMessageHandler { |
| 82 | public: |
| 83 | OutgoingMessageHandler(EthosU::ethosu_core_queue &messageQueue, |
| 84 | Mailbox::Mailbox &mailbox, |
| 85 | QueueHandle_t outputQueue); |
| 86 | void run(); |
| 87 | |
| 88 | private: |
| 89 | void sendPong(); |
| 90 | void sendErrorRsp(EthosU::ethosu_core_msg_err &error); |
| 91 | void sendVersionRsp(); |
| 92 | void sendCapabilitiesRsp(uint64_t userArg); |
| 93 | void sendInferenceRsp(EthosU::ethosu_core_inference_rsp &inference); |
| 94 | void readCapabilties(EthosU::ethosu_core_msg_capabilities_rsp &rsp); |
| 95 | |
| 96 | MessageQueue::QueueImpl messageQueue; |
| 97 | Mailbox::Mailbox &mailbox; |
| 98 | QueueHandle_t outputQueue; |
| 99 | EthosU::ethosu_core_msg_capabilities_rsp capabilities; |
| 100 | }; |
| 101 | |
| 102 | } // namespace MessageHandler |
| 103 | |
| 104 | #endif |