Hardware/TBalancer/TBalancer.cs
author moel.mich
Wed, 27 Jan 2010 23:10:38 +0000
changeset 5 a5ecd988d38f
child 15 0e812fe67bac
permissions -rw-r--r--
Release version 0.1.1
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/*
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  Version: MPL 1.1/GPL 2.0/LGPL 2.1
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  The contents of this file are subject to the Mozilla Public License Version
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  1.1 (the "License"); you may not use this file except in compliance with
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  the License. You may obtain a copy of the License at
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  http://www.mozilla.org/MPL/
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  Software distributed under the License is distributed on an "AS IS" basis,
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  WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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  for the specific language governing rights and limitations under the License.
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  The Original Code is the Open Hardware Monitor code.
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  The Initial Developer of the Original Code is 
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  Michael Möller <m.moeller@gmx.ch>.
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  Portions created by the Initial Developer are Copyright (C) 2009-2010
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  the Initial Developer. All Rights Reserved.
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  Contributor(s):
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  Alternatively, the contents of this file may be used under the terms of
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  either the GNU General Public License Version 2 or later (the "GPL"), or
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  the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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  in which case the provisions of the GPL or the LGPL are applicable instead
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  of those above. If you wish to allow use of your version of this file only
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  under the terms of either the GPL or the LGPL, and not to allow others to
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  use your version of this file under the terms of the MPL, indicate your
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  decision by deleting the provisions above and replace them with the notice
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  and other provisions required by the GPL or the LGPL. If you do not delete
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  the provisions above, a recipient may use your version of this file under
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  the terms of any one of the MPL, the GPL or the LGPL.
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*/
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using System;
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using System.Collections.Generic;
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using System.Configuration;
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using System.Drawing;
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using System.IO;
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using System.IO.Ports;
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using System.Text;
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namespace OpenHardwareMonitor.Hardware.TBalancer {
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  public class TBalancer : IHardware {
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    private Image icon;
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    private SerialPort serialPort;
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    private Sensor[] digitalTemperatures = new Sensor[8];
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    private Sensor[] analogTemperatures = new Sensor[4];
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    private Sensor[] fans = new Sensor[4];
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    private List<ISensor> active = new List<ISensor>();
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    private List<ISensor> deactivating = new List<ISensor>();
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    private int[] data;
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    public const byte STARTFLAG = 100;
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    public const byte PROTOCOL_VERSION = 0x2A;
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    public TBalancer(string portName) {
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      icon = Utilities.EmbeddedResources.GetImage("bigng.png");
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      try {
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        serialPort = new SerialPort(portName, 19200, Parity.None, 8,
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          StopBits.One);
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        serialPort.Open();
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        Update();
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      } catch (IOException) { }
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      for (int i = 0; i < digitalTemperatures.Length; i++) 
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        digitalTemperatures[i] = new Sensor("Digital Sensor #" + (i + 1), i, 
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          SensorType.Temperature, this);
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      for (int i = 0; i < analogTemperatures.Length; i++)
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        analogTemperatures[i] = new Sensor("Analog Sensor #" + (i + 1),
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          i + digitalTemperatures.Length, SensorType.Temperature, this);        
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    }
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    private void ActivateSensor(Sensor sensor) {
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      deactivating.Remove(sensor);
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      if (!active.Contains(sensor)) {
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        active.Add(sensor);
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        SensorAdded(sensor);
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      }      
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    }
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    private void DeactivateSensor(Sensor sensor) {
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      if (deactivating.Contains(sensor)) {
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        active.Remove(sensor);
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        deactivating.Remove(sensor);
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        SensorRemoved(sensor);
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      } else if (active.Contains(sensor)) {
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        deactivating.Add(sensor);
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      }     
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    }
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    private void ReadData() {
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      int[] data = new int[285];
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      for (int i = 0; i < data.Length; i++)
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        data[i] = serialPort.ReadByte();
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      if (data[0] != STARTFLAG || data[274] != PROTOCOL_VERSION) {
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        serialPort.DiscardInBuffer();   
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        return;
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      }
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      for (int i = 0; i < digitalTemperatures.Length; i++)
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        if (data[238 + i] > 0) {
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          digitalTemperatures[i].Value = 0.5f * data[238 + i];
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          ActivateSensor(digitalTemperatures[i]);
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        } else {
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          DeactivateSensor(digitalTemperatures[i]);
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        }
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      for (int i = 0; i < analogTemperatures.Length; i++)
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        if (data[260 + i] > 0) {
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          analogTemperatures[i].Value = 0.5f * data[260 + i];
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          ActivateSensor(analogTemperatures[i]);
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        } else {
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          DeactivateSensor(analogTemperatures[i]);
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        }
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      for (int i = 0; i < fans.Length; i++) {
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        float maxRPM = 11.5f * ((data[149 + 2 * i] << 8) | data[148 + 2 * i]);
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        if (fans[i] == null) 
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          fans[i] = new Sensor("Fan #" + (i + 1), i, maxRPM, SensorType.Fan, 
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            this);
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        if ((data[136] & (1 << i)) == 0)
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          fans[i].Value = maxRPM * 0.01f * data[156 + i]; // pwm mode
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        else
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          fans[i].Value = maxRPM * 0.01f * data[141 + i]; // analog mode
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        ActivateSensor(fans[i]);
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      }
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      this.data = data;
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    }
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    public Image Icon {
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      get { return icon; }
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    }
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    public string Name {
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      get { return "T-Balancer bigNG"; }
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    }
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    public string Identifier {
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      get { return "/bigng/" + 
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        serialPort.PortName.TrimStart(new char[]{'/'}).ToLower(); }
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    }
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    public ISensor[] Sensors {
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      get { return active.ToArray(); }
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    }
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    public string GetReport() {
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      StringBuilder r = new StringBuilder();
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      r.AppendLine("T-Balancer bigNG");
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      r.AppendLine();
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      r.Append("Port Name: "); r.AppendLine(serialPort.PortName);
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      r.AppendLine();
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      r.AppendLine("System Information Answer");
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      r.AppendLine();
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      r.AppendLine("       00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F");
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      r.AppendLine();
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      for (int i = 0; i <= 0x11; i++) {
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        r.Append(" "); r.Append((i << 4).ToString("X3")); r.Append("  ");
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        for (int j = 0; j <= 0xF; j++) {
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          int index = ((i << 4) | j);
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          if (index < data.Length) {
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            r.Append(" ");
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            r.Append(data[index].ToString("X2"));
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          }          
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        }
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        r.AppendLine();
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      }
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      r.AppendLine();
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      return r.ToString();
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    }
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    public void Update() {
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      while (serialPort.BytesToRead >= 285)
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        ReadData();
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      serialPort.Write(new byte[] { 0x38 }, 0, 1);
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    }
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    public void Close() {
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      serialPort.Close();
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    }
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    public event SensorEventHandler SensorAdded;
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    public event SensorEventHandler SensorRemoved;
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  }
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}