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