moel@171: /*
moel@171:
moel@171: Version: MPL 1.1/GPL 2.0/LGPL 2.1
moel@171:
moel@171: The contents of this file are subject to the Mozilla Public License Version
moel@171: 1.1 (the "License"); you may not use this file except in compliance with
moel@171: the License. You may obtain a copy of the License at
moel@171:
moel@171: http://www.mozilla.org/MPL/
moel@171:
moel@171: Software distributed under the License is distributed on an "AS IS" basis,
moel@171: WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
moel@171: for the specific language governing rights and limitations under the License.
moel@171:
moel@171: The Original Code is the Open Hardware Monitor code.
moel@171:
moel@171: The Initial Developer of the Original Code is
moel@171: Michael Möller <m.moeller@gmx.ch>.
moel@171: Portions created by the Initial Developer are Copyright (C) 2010
moel@171: the Initial Developer. All Rights Reserved.
moel@171:
moel@171: Contributor(s):
moel@171:
moel@171: Alternatively, the contents of this file may be used under the terms of
moel@171: either the GNU General Public License Version 2 or later (the "GPL"), or
moel@171: the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
moel@171: in which case the provisions of the GPL or the LGPL are applicable instead
moel@171: of those above. If you wish to allow use of your version of this file only
moel@171: under the terms of either the GPL or the LGPL, and not to allow others to
moel@171: use your version of this file under the terms of the MPL, indicate your
moel@171: decision by deleting the provisions above and replace them with the notice
moel@171: and other provisions required by the GPL or the LGPL. If you do not delete
moel@171: the provisions above, a recipient may use your version of this file under
moel@171: the terms of any one of the MPL, the GPL or the LGPL.
moel@171:
moel@171: */
moel@171:
moel@171: using System;
moel@171: using System.Collections.Generic;
moel@171: using System.IO.Ports;
moel@172: using System.Security;
moel@171: using System.Text;
moel@171: using System.Threading;
moel@172: using Microsoft.Win32;
moel@171:
moel@171: namespace OpenHardwareMonitor.Hardware.Heatmaster {
moel@171: internal class HeatmasterGroup : IGroup {
moel@171:
moel@171: private List<Heatmaster> hardware = new List<Heatmaster>();
moel@171: private StringBuilder report = new StringBuilder();
moel@171:
moel@171: private static string ReadLine(SerialPort port, int timeout) {
moel@171: int i = 0;
moel@171: StringBuilder builder = new StringBuilder();
moel@171: while (i < timeout) {
moel@171: while (port.BytesToRead > 0) {
moel@171: byte b = (byte)port.ReadByte();
moel@171: switch (b) {
moel@171: case 0xAA: return ((char)b).ToString();
moel@171: case 0x0D: return builder.ToString();
moel@171: default: builder.Append((char)b); break;
moel@171: }
moel@171: }
moel@171: i++;
moel@171: Thread.Sleep(1);
moel@171: }
moel@171: throw new TimeoutException();
moel@172: }
moel@172:
moel@172: private static string[] GetRegistryPortNames() {
moel@172: List<string> result = new List<string>();
moel@175: string[] paths = { "", "&MI_00" };
moel@172: try {
moel@175: foreach (string path in paths) {
moel@175: RegistryKey key = Registry.LocalMachine.OpenSubKey(
moel@175: @"SYSTEM\CurrentControlSet\Enum\USB\VID_10C4&PID_EA60" + path);
moel@175: if (key != null) {
moel@175: foreach (string subKeyName in key.GetSubKeyNames()) {
moel@175: RegistryKey subKey =
moel@175: key.OpenSubKey(subKeyName + "\\" + "Device Parameters");
moel@175: if (subKey != null) {
moel@175: string name = subKey.GetValue("PortName") as string;
moel@175: if (name != null && !result.Contains(name))
moel@175: result.Add((string)name);
moel@175: }
moel@172: }
moel@172: }
moel@172: }
moel@172: } catch (SecurityException) { }
moel@172: return result.ToArray();
moel@172: }
moel@171:
moel@171: public HeatmasterGroup(ISettings settings) {
moel@172:
moel@172: // No implementation for Heatmaster on Unix systems
moel@172: int p = (int)System.Environment.OSVersion.Platform;
moel@172: if ((p == 4) || (p == 128))
moel@172: return;
moel@171:
moel@172: string[] portNames = GetRegistryPortNames();
moel@171: for (int i = portNames.Length - 1; i >= 0; i--) {
moel@171: try {
moel@171:
moel@171: SerialPort serialPort =
moel@171: new SerialPort(portNames[i], 38400, Parity.None, 8, StopBits.One);
moel@171: serialPort.NewLine = ((char)0x0D).ToString();
moel@171:
moel@171: bool isValid = false;
moel@171: report.Append("Port Name: "); report.AppendLine(portNames[i]);
moel@171:
moel@171: try {
moel@171: serialPort.Open();
moel@171: } catch (UnauthorizedAccessException) {
moel@171: report.AppendLine("Exception: Access Denied");
moel@171: }
moel@171:
moel@171: if (serialPort.IsOpen) {
moel@172: serialPort.DiscardInBuffer();
moel@172: serialPort.DiscardOutBuffer();
moel@172: serialPort.Write(new byte[] { 0xAA }, 0, 1);
moel@171:
moel@172: int j = 0;
moel@172: while (serialPort.BytesToRead == 0 && j < 10) {
moel@172: Thread.Sleep(20);
moel@172: j++;
moel@172: }
moel@172: if (serialPort.BytesToRead > 0) {
moel@172: bool flag = false;
moel@172: while (serialPort.BytesToRead > 0 && !flag) {
moel@172: flag |= (serialPort.ReadByte() == 0xAA);
moel@171: }
moel@172: if (flag) {
moel@172: serialPort.WriteLine("[0:0]RH");
moel@172: try {
moel@172: int k = 0;
moel@172: int revision = 0;
moel@172: while (k < 5) {
moel@172: string line = ReadLine(serialPort, 100);
moel@172: if (line.StartsWith("-[0:0]RH:")) {
moel@172: int.TryParse(line.Substring(9), out revision);
moel@172: break;
moel@171: }
moel@172: k++;
moel@171: }
moel@172: isValid = (revision == 770);
moel@172: if (!isValid) {
moel@172: report.Append("Status: Wrong Hardware Revision " +
moel@172: revision.ToString());
moel@172: }
moel@172: } catch (TimeoutException) {
moel@172: report.AppendLine("Status: Timeout Reading Revision");
moel@171: }
moel@171: } else {
moel@172: report.AppendLine("Status: Wrong Startflag");
moel@171: }
moel@171: } else {
moel@172: report.AppendLine("Status: No Response");
moel@171: }
moel@171: serialPort.DiscardInBuffer();
moel@171: serialPort.Close();
moel@171: serialPort.Dispose();
moel@171: } else {
moel@171: report.AppendLine("Status: Port not Open");
moel@171: }
moel@171: if (isValid) {
moel@171: report.AppendLine("Status: OK");
moel@171: hardware.Add(new Heatmaster(portNames[i], settings));
moel@171: return;
moel@171: }
moel@171: } catch (Exception e) {
moel@171: report.AppendLine(e.ToString());
moel@171: }
moel@171: report.AppendLine();
moel@171: }
moel@171: }
moel@171:
moel@171: public IHardware[] Hardware {
moel@171: get {
moel@171: return hardware.ToArray();
moel@171: }
moel@171: }
moel@171:
moel@171: public string GetReport() {
moel@171: if (report.Length > 0) {
moel@171: report.Insert(0, "Serial Port Heatmaster" + Environment.NewLine +
moel@171: Environment.NewLine);
moel@171: report.AppendLine();
moel@171: return report.ToString();
moel@171: } else
moel@171: return null;
moel@171: }
moel@171:
moel@171: public void Close() {
moel@171: foreach (Heatmaster heatmaster in hardware)
moel@171: heatmaster.Close();
moel@171: }
moel@171: }
moel@171: }