blob: 60787e81b31a9100b6ebb12aa31f599287716e02 [file] [log] [blame]
/*
* Copyright (c) 2020-2022 Arm Limited.
*
* SPDX-License-Identifier: Apache-2.0
*
* 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
*
* 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.
*/
#ifndef MESSAGE_HANDLER_H
#define MESSAGE_HANDLER_H
#include "FreeRTOS.h"
#include "queue.h"
#include "semphr.h"
#include "message_queue.hpp"
#if defined(ETHOSU)
#include <ethosu_driver.h>
#endif
#include <inference_parser.hpp>
#include <inference_process.hpp>
#include <mailbox.hpp>
#include <cstddef>
#include <cstdio>
#include <vector>
namespace MessageHandler {
class IncomingMessageHandler {
public:
IncomingMessageHandler(EthosU::ethosu_core_queue &inputMessageQueue,
EthosU::ethosu_core_queue &outputMessageQueue,
Mailbox::Mailbox &mailbox,
QueueHandle_t inferenceInputQueue,
QueueHandle_t inferenceOutputQueue,
SemaphoreHandle_t messageNotify);
void run();
private:
bool handleMessage();
bool handleInferenceOutput();
static void handleIrq(void *userArg);
void sendPong();
void sendErrorAndResetQueue(EthosU::ethosu_core_msg_err_type type, const char *message);
void sendVersionRsp();
void sendCapabilitiesRsp(uint64_t userArg);
void sendNetworkInfoRsp(uint64_t userArg, EthosU::ethosu_core_network_buffer &network);
void sendInferenceRsp(EthosU::ethosu_core_inference_rsp &inference);
void sendFailedInferenceRsp(uint64_t userArg, uint32_t status);
void readCapabilties(EthosU::ethosu_core_msg_capabilities_rsp &rsp);
MessageQueue::QueueImpl inputMessageQueue;
MessageQueue::QueueImpl outputMessageQueue;
Mailbox::Mailbox &mailbox;
InferenceProcess::InferenceParser parser;
QueueHandle_t inferenceInputQueue;
QueueHandle_t inferenceOutputQueue;
SemaphoreHandle_t messageNotify;
EthosU::ethosu_core_msg_capabilities_rsp capabilities;
};
class InferenceHandler {
public:
InferenceHandler(uint8_t *tensorArena,
size_t arenaSize,
QueueHandle_t inferenceInputQueue,
QueueHandle_t inferenceOutputQueue,
SemaphoreHandle_t messageNotify);
void run();
private:
void runInference(EthosU::ethosu_core_inference_req &req, EthosU::ethosu_core_inference_rsp &rsp);
bool getInferenceJob(const EthosU::ethosu_core_inference_req &req, InferenceProcess::InferenceJob &job);
#if defined(ETHOSU)
friend void ::ethosu_inference_begin(struct ethosu_driver *drv, void *userArg);
friend void ::ethosu_inference_end(struct ethosu_driver *drv, void *userArg);
#endif
QueueHandle_t inferenceInputQueue;
QueueHandle_t inferenceOutputQueue;
SemaphoreHandle_t messageNotify;
InferenceProcess::InferenceProcess inference;
EthosU::ethosu_core_inference_req *currentReq;
EthosU::ethosu_core_inference_rsp *currentRsp;
};
} // namespace MessageHandler
#endif