Hardware/TBalancer/TBalancer.cs
author moel.mich
Sun, 19 Jun 2011 12:41:18 +0000
changeset 298 96263190189a
parent 275 35788ddd1825
child 344 3145aadca3d2
permissions -rw-r--r--
Added support for saving and restoring the sensor history for the last 24h. The sensor history is now saved in a reduced format (duplicate values are removed, gaps are marked with a NAN sensor value.
     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) 2009-2011
    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.Globalization;
    41 using System.Text;
    42 
    43 namespace OpenHardwareMonitor.Hardware.TBalancer {
    44   internal class TBalancer : Hardware {
    45 
    46     private readonly int portIndex;    
    47     private readonly byte protocolVersion;
    48     private readonly Sensor[] digitalTemperatures = new Sensor[8];
    49     private readonly Sensor[] analogTemperatures = new Sensor[4];
    50     private readonly Sensor[] sensorhubTemperatures = new Sensor[6];
    51     private readonly Sensor[] sensorhubFlows = new Sensor[2];
    52     private readonly Sensor[] fans = new Sensor[4];
    53     private readonly Sensor[] controls = new Sensor[4];
    54     private readonly Sensor[] miniNGTemperatures = new Sensor[4];
    55     private readonly Sensor[] miniNGFans = new Sensor[4];
    56     private readonly Sensor[] miniNGControls = new Sensor[4];
    57     private readonly List<ISensor> deactivating = new List<ISensor>();
    58 
    59     private FT_HANDLE handle;
    60     private int[] primaryData = new int[0];
    61     private int[] alternativeData = new int[0];
    62 
    63     public const byte STARTFLAG = 100;
    64     public const byte ENDFLAG = 254;
    65 
    66     private delegate void MethodDelegate();
    67     private readonly MethodDelegate alternativeRequest;
    68 
    69     public TBalancer(int portIndex, byte protocolVersion, ISettings settings)
    70       : base("T-Balancer bigNG",  new Identifier("bigng",
    71         portIndex.ToString(CultureInfo.InvariantCulture)), settings) 
    72     {
    73 
    74       this.portIndex = portIndex;
    75       this.protocolVersion = protocolVersion;
    76 
    77       ParameterDescription[] parameter = new [] {
    78         new ParameterDescription("Offset [°C]", "Temperature offset.", 0)
    79       };
    80       int offset = 0;
    81       for (int i = 0; i < digitalTemperatures.Length; i++)
    82         digitalTemperatures[i] = new Sensor("Digital Sensor " + i,
    83           offset + i, SensorType.Temperature, this, parameter, settings);
    84       offset += digitalTemperatures.Length;
    85 
    86       for (int i = 0; i < analogTemperatures.Length; i++)
    87         analogTemperatures[i] = new Sensor("Analog Sensor " + (i + 1),
    88           offset + i, SensorType.Temperature, this, parameter, settings);
    89       offset += analogTemperatures.Length;
    90 
    91       for (int i = 0; i < sensorhubTemperatures.Length; i++)
    92         sensorhubTemperatures[i] = new Sensor("Sensorhub Sensor " + i,
    93           offset + i, SensorType.Temperature, this, parameter, settings);
    94       offset += sensorhubTemperatures.Length;
    95 
    96       for (int i = 0; i < miniNGTemperatures.Length; i++)
    97         miniNGTemperatures[i] = new Sensor("miniNG #" + (i / 2 + 1) +
    98           " Sensor " + (i % 2 + 1), offset + i, SensorType.Temperature,
    99           this, parameter, settings);
   100       offset += miniNGTemperatures.Length;
   101 
   102       for (int i = 0; i < sensorhubFlows.Length; i++)
   103         sensorhubFlows[i] = new Sensor("Flowmeter " + (i + 1),
   104           i, SensorType.Flow, this, new [] {
   105             new ParameterDescription("Impulse Rate", 
   106               "The impulse rate of the flowmeter in pulses/L", 509)
   107           }, settings);
   108 
   109       for (int i = 0; i < controls.Length; i++) {
   110         controls[i] = new Sensor("Fan Channel " + i, i, SensorType.Control, 
   111           this, settings);
   112       }
   113 
   114       for (int i = 0; i < miniNGControls.Length; i++) {
   115         miniNGControls[i] = new Sensor("miniNG #" + (i / 2 + 1) +
   116           " Fan Channel " + (i % 2 + 1), 4 + i, SensorType.Control, this, 
   117           settings);
   118       }
   119 
   120       alternativeRequest = new MethodDelegate(DelayedAlternativeRequest);
   121 
   122       Open();
   123       Update(); 
   124     }
   125 
   126     protected override void ActivateSensor(ISensor sensor) {
   127       deactivating.Remove(sensor);
   128       base.ActivateSensor(sensor);   
   129     } 
   130 
   131     protected override void DeactivateSensor(ISensor sensor) {
   132       if (deactivating.Contains(sensor)) {
   133         deactivating.Remove(sensor);
   134         base.DeactivateSensor(sensor);
   135       } else if (active.Contains(sensor)) {
   136         deactivating.Add(sensor);
   137       }     
   138     }
   139 
   140     private void ReadminiNG(int[] data, int number) {
   141       int offset = 1 + number * 65;
   142 
   143       if (data[offset + 61] != ENDFLAG)
   144         return;
   145 
   146       for (int i = 0; i < 2; i++) {
   147         Sensor sensor = miniNGTemperatures[number * 2 + i];
   148         if (data[offset + 7 + i] > 0) {
   149           sensor.Value = 0.5f * data[offset + 7 + i] + 
   150             sensor.Parameters[0].Value;
   151           ActivateSensor(sensor);
   152         } else {
   153           DeactivateSensor(sensor);
   154         }
   155       }
   156 
   157       for (int i = 0; i < 2; i++) {
   158         if (miniNGFans[number * 2 + i] == null)
   159           miniNGFans[number * 2 + i] = 
   160             new Sensor("miniNG #" + (number + 1) + " Fan Channel " + (i + 1),
   161             4 + number * 2 + i, SensorType.Fan, this, settings);
   162         
   163         Sensor sensor = miniNGFans[number * 2 + i];
   164 
   165         sensor.Value = 20.0f * data[offset + 43 + 2 * i];
   166         ActivateSensor(sensor);
   167       }
   168 
   169       for (int i = 0; i < 2; i++) {
   170         Sensor sensor = miniNGControls[number * 2 + i];
   171         sensor.Value = data[offset + 15 + i];
   172         ActivateSensor(sensor);
   173       }
   174     }
   175 
   176     private void ReadData() {
   177       int[] data = new int[285];
   178       for (int i = 0; i < data.Length; i++)
   179         data[i] = FTD2XX.ReadByte(handle);
   180       
   181       if (data[0] != STARTFLAG) {
   182         FTD2XX.FT_Purge(handle, FT_PURGE.FT_PURGE_RX);   
   183         return;
   184       }
   185 
   186       if (data[1] == 255 || data[1] == 88) { // bigNG
   187 
   188         if (data[274] != protocolVersion) 
   189           return;
   190 
   191         this.primaryData = data;
   192 
   193         for (int i = 0; i < digitalTemperatures.Length; i++)
   194           if (data[238 + i] > 0) {
   195             digitalTemperatures[i].Value = 0.5f * data[238 + i] + 
   196               digitalTemperatures[i].Parameters[0].Value;
   197             ActivateSensor(digitalTemperatures[i]);
   198           } else {
   199             DeactivateSensor(digitalTemperatures[i]);
   200           }
   201 
   202         for (int i = 0; i < analogTemperatures.Length; i++)
   203           if (data[260 + i] > 0) {
   204             analogTemperatures[i].Value = 0.5f * data[260 + i] +
   205               analogTemperatures[i].Parameters[0].Value;
   206             ActivateSensor(analogTemperatures[i]);
   207           } else {
   208             DeactivateSensor(analogTemperatures[i]);
   209           }
   210 
   211         for (int i = 0; i < sensorhubTemperatures.Length; i++)
   212           if (data[246 + i] > 0) {
   213             sensorhubTemperatures[i].Value = 0.5f * data[246 + i] +
   214               sensorhubTemperatures[i].Parameters[0].Value;
   215             ActivateSensor(sensorhubTemperatures[i]);
   216           } else {
   217             DeactivateSensor(sensorhubTemperatures[i]);
   218           }
   219 
   220         for (int i = 0; i < sensorhubFlows.Length; i++)
   221           if (data[231 + i] > 0 && data[234] > 0) {
   222             float pulsesPerSecond = (data[231 + i] * 4.0f) / data[234];
   223             float pulsesPerLiter = sensorhubFlows[i].Parameters[0].Value;
   224             sensorhubFlows[i].Value = pulsesPerSecond * 3600 / pulsesPerLiter;
   225             ActivateSensor(sensorhubFlows[i]);
   226           } else {
   227             DeactivateSensor(sensorhubFlows[i]);
   228           }
   229         
   230         for (int i = 0; i < fans.Length; i++) {
   231           float maxRPM = 11.5f * ((data[149 + 2 * i] << 8) | data[148 + 2 * i]);
   232 
   233           if (fans[i] == null)
   234             fans[i] = new Sensor("Fan Channel " + i, i, SensorType.Fan,
   235               this, new [] { new ParameterDescription("MaxRPM", 
   236                   "Maximum revolutions per minute (RPM) of the fan.", maxRPM)
   237               }, settings);
   238 
   239           float value;
   240           if ((data[136] & (1 << i)) == 0)  // pwm mode
   241             value = 0.02f * data[137 + i];
   242           else // analog mode
   243             value = 0.01f * data[141 + i];
   244           
   245           fans[i].Value = fans[i].Parameters[0].Value * value;
   246           ActivateSensor(fans[i]);
   247 
   248           controls[i].Value = 100 * value;
   249           ActivateSensor(controls[i]);
   250         }
   251 
   252       } else if (data[1] == 253) { // miniNG #1
   253         this.alternativeData = data;
   254 
   255         ReadminiNG(data, 0);        
   256               
   257         if (data[66] == 253)  // miniNG #2
   258           ReadminiNG(data, 1);
   259       } 
   260     }
   261 
   262     public override HardwareType HardwareType {
   263       get { return HardwareType.TBalancer; }
   264     }
   265 
   266     public override string GetReport() {
   267       StringBuilder r = new StringBuilder();
   268 
   269       r.AppendLine("T-Balancer bigNG");
   270       r.AppendLine();
   271       r.Append("Port Index: "); 
   272       r.AppendLine(portIndex.ToString(CultureInfo.InvariantCulture));
   273       r.AppendLine();
   274 
   275       r.AppendLine("Primary System Information Answer");
   276       r.AppendLine();
   277       r.AppendLine("       00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F");
   278       r.AppendLine();
   279       for (int i = 0; i <= 0x11; i++) {
   280         r.Append(" "); 
   281         r.Append((i << 4).ToString("X3", CultureInfo.InvariantCulture)); 
   282         r.Append("  ");
   283         for (int j = 0; j <= 0xF; j++) {
   284           int index = ((i << 4) | j);
   285           if (index < primaryData.Length) {
   286             r.Append(" ");
   287             r.Append(primaryData[index].ToString("X2", CultureInfo.InvariantCulture));
   288           }          
   289         }
   290         r.AppendLine();
   291       }
   292       r.AppendLine();
   293 
   294       if (alternativeData.Length > 0) {
   295         r.AppendLine("Alternative System Information Answer");
   296         r.AppendLine();
   297         r.AppendLine("       00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F");
   298         r.AppendLine();
   299         for (int i = 0; i <= 0x11; i++) {
   300           r.Append(" "); 
   301           r.Append((i << 4).ToString("X3", CultureInfo.InvariantCulture)); 
   302           r.Append("  ");
   303           for (int j = 0; j <= 0xF; j++) {
   304             int index = ((i << 4) | j);
   305             if (index < alternativeData.Length) {
   306               r.Append(" ");
   307               r.Append(alternativeData[index].ToString("X2", CultureInfo.InvariantCulture));
   308             }
   309           }
   310           r.AppendLine();
   311         }
   312         r.AppendLine();
   313       }
   314 
   315       return r.ToString();
   316     }
   317 
   318     private void DelayedAlternativeRequest() {
   319       System.Threading.Thread.Sleep(500);      
   320       FTD2XX.Write(handle, new byte[] { 0x37 });
   321     }
   322 
   323     public void Open() {
   324       FTD2XX.FT_Open(portIndex, out handle); 
   325       FTD2XX.FT_SetBaudRate(handle, 19200);
   326       FTD2XX.FT_SetDataCharacteristics(handle, 8, 1, 0);
   327       FTD2XX.FT_SetFlowControl(handle, FT_FLOW_CONTROL.FT_FLOW_RTS_CTS, 0x11,
   328         0x13);
   329       FTD2XX.FT_SetTimeouts(handle, 1000, 1000);
   330       FTD2XX.FT_Purge(handle, FT_PURGE.FT_PURGE_ALL);
   331     }
   332 
   333     public override void Update() {
   334       while (FTD2XX.BytesToRead(handle) >= 285)
   335         ReadData();
   336       if (FTD2XX.BytesToRead(handle) == 1)
   337         FTD2XX.ReadByte(handle);
   338 
   339       FTD2XX.Write(handle, new byte[] { 0x38 });
   340       alternativeRequest.BeginInvoke(null, null);
   341     }
   342 
   343     public override void Close() {
   344       FTD2XX.FT_Close(handle);
   345       base.Close();
   346     }
   347 
   348   }
   349 }