demorfi
bcc197f265
* Added base support matherboard Asus ROG Crosshair X670E Hero * Added base support PSU MSI MEG Ai1300P * Refactoring MSI PSU lib
104 lines
3.0 KiB
C#
104 lines
3.0 KiB
C#
// This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
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// If a copy of the MPL was not distributed with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
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// Copyright (C) 2024 demorfi<demorfi@gmail.com>
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// Copyright (C) LibreHardwareMonitor and Contributors.
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// All Rights Reserved.
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using System;
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using System.Linq;
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using System.Text;
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using HidSharp;
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namespace LibreHardwareMonitor.Hardware.Psu.Msi;
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internal static class UsbApi
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{
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public enum IndexInfo : int
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{
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VOLTS_12V1 = 0,
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VOLTS_12V2 = 2,
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VOLTS_12V3 = 4,
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VOLTS_12V4 = 6,
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VOLTS_12V5 = 8,
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VOLTS_12 = 10,
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VOLTS_5 = 12,
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VOLTS_3V3 = 14,
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AMPS_12V1 = 1,
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AMPS_12V2 = 3,
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AMPS_12V3 = 5,
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AMPS_12V4 = 7,
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AMPS_12V5 = 9,
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AMPS_12 = 11,
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AMPS_5 = 13,
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AMPS_3V3 = 15,
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PSU_OUT = 16,
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EFFICIENCY = 17,
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TEMP = 18,
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FAN_RPM = 19,
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RUNTIME = 20
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}
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public static FirmwareInfo FwInfo(HidStream stream)
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{
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if (!Request(stream, new byte[2] { 0xFA, 0x51 }, out byte[] productArr, 1))
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throw new ProtocolError(stream.Device, "Can't read product name");
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static string ArrayToString(byte[] ar)
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{
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return Encoding.ASCII.GetString(ar.TakeWhile(x => x != 0).ToArray());
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}
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return new FirmwareInfo { Vendor = "MSI", Product = ArrayToString(productArr) };
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}
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private static float Linear11ToFloat32(ushort val)
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{
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int exp = (short)val >> 11;
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int mant = ((short)(val & 0x7ff) << 5) >> 5;
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return mant * (float)Math.Pow(2, exp);
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}
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private static bool Request(HidStream stream, byte[] command, out byte[] response, int offset = 0)
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{
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byte[] buffer = new byte[64];
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Array.Copy(command, 0, buffer, 1, 2);
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stream.Write(buffer);
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byte[] reply = stream.Read();
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response = new byte[42];
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Array.Copy(reply, 2 + offset, response, 0, 42);
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return reply[0] == buffer[0] && reply[1] == buffer[1];
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}
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public static float[] InfoList(HidStream stream)
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{
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int length = Enum.GetNames(typeof(IndexInfo)).Length;
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float[] info = new float[length];
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if (!Request(stream, new byte[2] { 0x51, 0xE0 }, out byte[] basic))
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throw new ProtocolError(stream.Device, "Can't read basic info");
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// basic has information only about the first 20 sensors
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for (int i = 0; i < 20; i++)
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{
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byte[] replyData = new byte[4];
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Array.Copy(basic, (i * 2) + 1, replyData, 0, 2);
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info[i] = Linear11ToFloat32((ushort)BitConverter.ToInt32(replyData, 0));
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}
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// runtime info
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Request(stream, new byte[2] { 0x51, 0xD1 }, out byte[] runtime);
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info[(int)IndexInfo.RUNTIME] = BitConverter.ToInt32(runtime, 0) / 100;
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return info;
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}
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public struct FirmwareInfo
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{
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public string Vendor;
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public string Product;
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}
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}
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