1 files changed, 108 insertions, 0 deletions
diff --git a/driver_library/include/ethosu.hpp b/driver_library/include/ethosu.hpp
new file mode 100644
index 0000000..3c8f814
--- /dev/null
+++ b/driver_library/include/ethosu.hpp
@@ -0,0 +1,108 @@
+/*
+ * Copyright (c) 2020 Arm Limited. All rights reserved.
+ *
+ * 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.
+ */
+
+#pragma once
+
+#include <uapi/ethosu.h>
+
+#include <memory>
+#include <string>
+
+namespace EthosU
+{
+
+class Exception :
+    public std::exception
+{
+public:
+    Exception(const char *msg);
+    virtual ~Exception() throw();
+    virtual const char *what() const throw();
+
+private:
+    std::string msg;
+};
+
+class Device
+{
+public:
+    Device(const char *device = "/dev/ethosu0");
+    virtual ~Device();
+
+    int ioctl(unsigned long cmd, void *data = nullptr);
+
+private:
+    int fd;
+};
+
+class Buffer
+{
+public:
+    Buffer(Device &device, const size_t capacity);
+    virtual ~Buffer();
+
+    size_t capacity() const;
+    void clear();
+    char *data();
+    void resize(size_t size, size_t offset = 0);
+    size_t offset() const;
+    size_t size() const;
+
+    int getFd() const;
+
+private:
+    int fd;
+    char *dataPtr;
+    const size_t dataCapacity;
+};
+
+class Network
+{
+public:
+    Network(Device &device, std::shared_ptr<Buffer> &buffer);
+    virtual ~Network();
+
+    int ioctl(unsigned long cmd, void *data = nullptr);
+    std::shared_ptr<Buffer> getBuffer();
+
+private:
+    int fd;
+    std::shared_ptr<Buffer> buffer;
+};
+
+class Inference
+{
+public:
+    Inference(std::shared_ptr<Network> &network, std::shared_ptr<Buffer> &ifm, std::shared_ptr<Buffer> &ofm);
+    virtual ~Inference();
+
+    void wait(int timeoutSec = -1);
+    bool failed();
+    int getFd();
+    std::shared_ptr<Network> getNetwork();
+    std::shared_ptr<Buffer> getIfmBuffer();
+    std::shared_ptr<Buffer> getOfmBuffer();
+
+private:
+    int fd;
+    std::shared_ptr<Network> network;
+    std::shared_ptr<Buffer> ifmBuffer;
+    std::shared_ptr<Buffer> ofmBuffer;
+};
+
+}