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// License: Apache 2.0. See LICENSE file in root directory.
// Copyright(c) 2020 Intel Corporation. All Rights Reserved.
namespace Intel.RealSense
{
using System;
using System.Runtime.InteropServices;
public class DebugDevice : Device
{
internal DebugDevice(IntPtr dev)
: base(dev)
{ }
/// <summary>
/// Create an <see cref="DebugDevice"/> from existing <see cref="Device"/>
/// </summary>
/// <param name="dev">a device that supports <see cref="Extension.Debug"/></param>
/// <returns>a new <see cref="DebugDevice"/></returns>
/// <exception cref="ArgumentException">Thrown when <paramref name="dev"/> does not support <see cref="Extension.FirmwareLogger"/></exception>
public static DebugDevice FromDevice(Device dev)
{
object error;
if (NativeMethods.rs2_is_device_extendable_to(dev.Handle, Extension.Debug, out error) == 0)
{
throw new ArgumentException($"Device does not support {nameof(Extension.Debug)}");
}
return Device.Create<DebugDevice>(dev.Handle);
}
public byte[] BuildCommand(UInt32 opcode, UInt32 param1 = 0, UInt32 param2 = 0, UInt32 param3 = 0,
UInt32 param4 = 0, byte[] data = null)
{
IntPtr nativeBytes = IntPtr.Zero;
uint dataLength = 0;
try
{
object error;
if (data != null) {
nativeBytes = Marshal.AllocHGlobal(data.Length);
Marshal.Copy(data, 0, nativeBytes, data.Length);
dataLength = (uint)data.Length;
}
IntPtr rawDataBuffer = NativeMethods.rs2_build_debug_protocol_command(Handle, opcode, param1, param2, param3,
param4, nativeBytes, dataLength, out error);
IntPtr start = NativeMethods.rs2_get_raw_data(rawDataBuffer, out error);
int size = NativeMethods.rs2_get_raw_data_size(rawDataBuffer, out error);
byte[] managedBytes = new byte[size];
Marshal.Copy(start, managedBytes, 0, size);
NativeMethods.rs2_delete_raw_data(rawDataBuffer);
return managedBytes;
}
finally
{
Marshal.FreeHGlobal(nativeBytes);
}
}
public byte[] SendReceiveRawData(byte[] command_bytes)
{
IntPtr nativeBytes = IntPtr.Zero;
try
{
nativeBytes = Marshal.AllocHGlobal(command_bytes.Length);
Marshal.Copy(command_bytes, 0, nativeBytes, command_bytes.Length);
object error;
IntPtr rawDataBuffer = NativeMethods.rs2_send_and_receive_raw_data(Handle, nativeBytes, (uint)command_bytes.Length, out error);
IntPtr start = NativeMethods.rs2_get_raw_data(rawDataBuffer, out error);
int size = NativeMethods.rs2_get_raw_data_size(rawDataBuffer, out error);
byte[] managedBytes = new byte[size];
Marshal.Copy(start, managedBytes, 0, size);
NativeMethods.rs2_delete_raw_data(rawDataBuffer);
return managedBytes;
}
finally
{
Marshal.FreeHGlobal(nativeBytes);
}
}
}
}