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58 lines
2.3 KiB
58 lines
2.3 KiB
// License: Apache 2.0. See LICENSE file in root directory.
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// Copyright(c) 2017 Intel Corporation. All Rights Reserved.
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namespace Intel.RealSense
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{
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using System;
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using System.Runtime.InteropServices;
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public class UpdateDevice : Device
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{
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private readonly rs2_update_progress_callback onUpdateProgressCallback;
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internal UpdateDevice(IntPtr dev)
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: base(dev)
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{
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onUpdateProgressCallback = new rs2_update_progress_callback(OnUpdateProgressInternal);
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}
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/// <summary>
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/// Create an <see cref="UpdateDevice"/> from existing <see cref="Device"/>
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/// </summary>
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/// <param name="dev">a device that supports <see cref="Extension.UpdateDevice"/></param>
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/// <returns>a new <see cref="UpdateDevice"/></returns>
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/// <exception cref="ArgumentException">Thrown when <paramref name="dev"/> does not support <see cref="Extension.UpdateDevice"/></exception>
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public static UpdateDevice FromDevice(Device dev)
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{
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object error;
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if (NativeMethods.rs2_is_device_extendable_to(dev.Handle, Extension.UpdateDevice, out error) == 0)
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{
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throw new ArgumentException($"Device does not support {nameof(Extension.UpdateDevice)}");
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}
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return Device.Create<UpdateDevice>(dev.Handle);
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}
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/// <summary>
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/// Update an updatable device to the provided firmware, this call is executed on the caller's thread.
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/// For progress notifications, register to OnUpdateProgress event.
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/// </summary>
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public void Update(byte[] fwImage)
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{
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IntPtr nativeFwImage = Marshal.AllocHGlobal(fwImage.Length);
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Marshal.Copy(fwImage, 0, nativeFwImage, fwImage.Length);
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object error;
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NativeMethods.rs2_update_firmware(Handle, nativeFwImage, fwImage.Length, onUpdateProgressCallback, IntPtr.Zero, out error);
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Marshal.FreeHGlobal(nativeFwImage);
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}
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public delegate void OnUpdateProgressDelegate(float progress);
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public event OnUpdateProgressDelegate OnUpdateProgress;
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private void OnUpdateProgressInternal(float progress, IntPtr userData)
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{
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OnUpdateProgress?.Invoke(progress);
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}
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}
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}
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