Hardware/Nvidia/NvidiaGPU.cs
author moel.mich
Thu, 28 Jan 2010 23:29:39 +0000
changeset 7 9523a3322777
child 38 0e09d845eb00
permissions -rw-r--r--
Release version 0.1.2. First implementation for Fintek F71882FG chips. Fixed Intel Core i7 temperature reading. Changed Nvidia GPU enumeration.
     1 /*
     2   
     3   Version: MPL 1.1/GPL 2.0/LGPL 2.1
     4 
     5   The contents of this file are subject to the Mozilla Public License Version
     6   1.1 (the "License"); you may not use this file except in compliance with
     7   the License. You may obtain a copy of the License at
     8  
     9   http://www.mozilla.org/MPL/
    10 
    11   Software distributed under the License is distributed on an "AS IS" basis,
    12   WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
    13   for the specific language governing rights and limitations under the License.
    14 
    15   The Original Code is the Open Hardware Monitor code.
    16 
    17   The Initial Developer of the Original Code is 
    18   Michael Möller <m.moeller@gmx.ch>.
    19   Portions created by the Initial Developer are Copyright (C) 2009-2010
    20   the Initial Developer. All Rights Reserved.
    21 
    22   Contributor(s):
    23 
    24   Alternatively, the contents of this file may be used under the terms of
    25   either the GNU General Public License Version 2 or later (the "GPL"), or
    26   the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
    27   in which case the provisions of the GPL or the LGPL are applicable instead
    28   of those above. If you wish to allow use of your version of this file only
    29   under the terms of either the GPL or the LGPL, and not to allow others to
    30   use your version of this file under the terms of the MPL, indicate your
    31   decision by deleting the provisions above and replace them with the notice
    32   and other provisions required by the GPL or the LGPL. If you do not delete
    33   the provisions above, a recipient may use your version of this file under
    34   the terms of any one of the MPL, the GPL or the LGPL.
    35  
    36 */
    37 
    38 using System;
    39 using System.Collections.Generic;
    40 using System.Drawing;
    41 
    42 namespace OpenHardwareMonitor.Hardware.Nvidia {
    43   public class NvidiaGPU : IHardware {
    44 
    45     private string name;
    46     private Image icon;
    47     private int adapterIndex;
    48     private NvPhysicalGpuHandle handle;
    49 
    50     private Sensor[] temperatures;
    51 
    52     public NvidiaGPU(int adapterIndex, NvPhysicalGpuHandle handle) {
    53       try {
    54         string gpuName;
    55         NVAPI.NvAPI_GPU_GetFullName(handle, out gpuName);
    56         this.name = "NVIDIA " + gpuName;
    57         this.icon = Utilities.EmbeddedResources.GetImage("nvidia.png");
    58         this.adapterIndex = adapterIndex;
    59         this.handle = handle;
    60 
    61         NvGPUThermalSettings settings = GetThermalSettings();
    62         temperatures = new Sensor[settings.Count];
    63         for (int i = 0; i < temperatures.Length; i++) {
    64           NvSensor sensor = settings.Sensor[i];
    65           string name;
    66           switch (sensor.Target) {
    67             case NvThermalTarget.BOARD: name = "GPU Board"; break;
    68             case NvThermalTarget.GPU: name = "GPU Core"; break;
    69             case NvThermalTarget.MEMORY: name = "GPU Memory"; break;
    70             case NvThermalTarget.POWER_SUPPLY: name = "GPU Power Supply"; break;
    71             case NvThermalTarget.UNKNOWN: name = "GPU Unknown"; break;
    72             default: name = "GPU"; break;
    73           }
    74           temperatures[i] = new Sensor(name, i, sensor.DefaultMaxTemp, 
    75             SensorType.Temperature, this);
    76         }
    77       } catch (Exception e) {
    78         System.Windows.Forms.MessageBox.Show(e.Message + "\n" + e.StackTrace);
    79       }
    80     }
    81 
    82     public string Name {
    83       get { return name; }
    84     }
    85 
    86     public string Identifier {
    87       get { return "/nvidiagpu/" + adapterIndex; }
    88     }
    89 
    90     public Image Icon {
    91       get { return icon; }
    92     }
    93 
    94     public ISensor[] Sensors {
    95       get {
    96         return temperatures;
    97       }
    98     }
    99 
   100     public string GetReport() {
   101       return null;
   102     }
   103 
   104     private NvGPUThermalSettings GetThermalSettings() {
   105       NvGPUThermalSettings settings = new NvGPUThermalSettings();
   106       settings.Version = NVAPI.GPU_THERMAL_SETTINGS_VER;
   107       settings.Count = NVAPI.MAX_THERMAL_SENSORS_PER_GPU;
   108       settings.Sensor = new NvSensor[NVAPI.MAX_THERMAL_SENSORS_PER_GPU];
   109       NVAPI.NvAPI_GPU_GetThermalSettings(handle, (int)NvThermalTarget.ALL,
   110         ref settings);
   111       return settings;
   112     }
   113 
   114     public void Update() {
   115       NvGPUThermalSettings settings = GetThermalSettings();
   116       foreach (Sensor sensor in temperatures) 
   117         sensor.Value = settings.Sensor[sensor.Index].CurrentTemp;              
   118     }
   119 
   120     #pragma warning disable 67
   121     public event SensorEventHandler SensorAdded;
   122     public event SensorEventHandler SensorRemoved;
   123     #pragma warning restore 67
   124 
   125   }
   126 }