1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/Hardware/Heatmaster/HeatmasterGroup.cs Sun Aug 22 21:53:11 2010 +0000
1.3 @@ -0,0 +1,172 @@
1.4 +/*
1.5 +
1.6 + Version: MPL 1.1/GPL 2.0/LGPL 2.1
1.7 +
1.8 + The contents of this file are subject to the Mozilla Public License Version
1.9 + 1.1 (the "License"); you may not use this file except in compliance with
1.10 + the License. You may obtain a copy of the License at
1.11 +
1.12 + http://www.mozilla.org/MPL/
1.13 +
1.14 + Software distributed under the License is distributed on an "AS IS" basis,
1.15 + WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
1.16 + for the specific language governing rights and limitations under the License.
1.17 +
1.18 + The Original Code is the Open Hardware Monitor code.
1.19 +
1.20 + The Initial Developer of the Original Code is
1.21 + Michael Möller <m.moeller@gmx.ch>.
1.22 + Portions created by the Initial Developer are Copyright (C) 2010
1.23 + the Initial Developer. All Rights Reserved.
1.24 +
1.25 + Contributor(s):
1.26 +
1.27 + Alternatively, the contents of this file may be used under the terms of
1.28 + either the GNU General Public License Version 2 or later (the "GPL"), or
1.29 + the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
1.30 + in which case the provisions of the GPL or the LGPL are applicable instead
1.31 + of those above. If you wish to allow use of your version of this file only
1.32 + under the terms of either the GPL or the LGPL, and not to allow others to
1.33 + use your version of this file under the terms of the MPL, indicate your
1.34 + decision by deleting the provisions above and replace them with the notice
1.35 + and other provisions required by the GPL or the LGPL. If you do not delete
1.36 + the provisions above, a recipient may use your version of this file under
1.37 + the terms of any one of the MPL, the GPL or the LGPL.
1.38 +
1.39 +*/
1.40 +
1.41 +using System;
1.42 +using System.Collections.Generic;
1.43 +using System.IO.Ports;
1.44 +using System.Text;
1.45 +using System.Threading;
1.46 +
1.47 +namespace OpenHardwareMonitor.Hardware.Heatmaster {
1.48 + internal class HeatmasterGroup : IGroup {
1.49 +
1.50 + private List<Heatmaster> hardware = new List<Heatmaster>();
1.51 + private StringBuilder report = new StringBuilder();
1.52 +
1.53 + private static string ReadLine(SerialPort port, int timeout) {
1.54 + int i = 0;
1.55 + StringBuilder builder = new StringBuilder();
1.56 + while (i < timeout) {
1.57 + while (port.BytesToRead > 0) {
1.58 + byte b = (byte)port.ReadByte();
1.59 + switch (b) {
1.60 + case 0xAA: return ((char)b).ToString();
1.61 + case 0x0D: return builder.ToString();
1.62 + default: builder.Append((char)b); break;
1.63 + }
1.64 + }
1.65 + i++;
1.66 + Thread.Sleep(1);
1.67 + }
1.68 + throw new TimeoutException();
1.69 + }
1.70 +
1.71 + public HeatmasterGroup(ISettings settings) {
1.72 +
1.73 + string[] portNames = SerialPort.GetPortNames();
1.74 + for (int i = portNames.Length - 1; i >= 0; i--) {
1.75 + try {
1.76 +
1.77 + SerialPort serialPort =
1.78 + new SerialPort(portNames[i], 38400, Parity.None, 8, StopBits.One);
1.79 + serialPort.NewLine = ((char)0x0D).ToString();
1.80 +
1.81 + bool isValid = false;
1.82 + report.Append("Port Name: "); report.AppendLine(portNames[i]);
1.83 +
1.84 + try {
1.85 + serialPort.Open();
1.86 + } catch (UnauthorizedAccessException) {
1.87 + report.AppendLine("Exception: Access Denied");
1.88 + }
1.89 +
1.90 + if (serialPort.IsOpen) {
1.91 + if (serialPort.CtsHolding) {
1.92 + serialPort.DiscardInBuffer();
1.93 + serialPort.DiscardOutBuffer();
1.94 + serialPort.Write(new byte[] { 0xAA }, 0, 1);
1.95 +
1.96 + int j = 0;
1.97 + while (serialPort.BytesToRead == 0 && j < 10) {
1.98 + Thread.Sleep(20);
1.99 + j++;
1.100 + }
1.101 + if (serialPort.BytesToRead > 0) {
1.102 + bool flag = false;
1.103 + while (serialPort.BytesToRead > 0 && !flag) {
1.104 + flag |= (serialPort.ReadByte() == 0xAA);
1.105 + }
1.106 + if (flag) {
1.107 + serialPort.WriteLine("[0:0]RH");
1.108 + try {
1.109 + int k = 0;
1.110 + int revision = 0;
1.111 + while (k < 5) {
1.112 + string line = ReadLine(serialPort, 100);
1.113 + if (line.StartsWith("-[0:0]RH:")) {
1.114 + int.TryParse(line.Substring(9), out revision);
1.115 + break;
1.116 + }
1.117 + k++;
1.118 + }
1.119 + isValid = (revision == 770);
1.120 + if (!isValid) {
1.121 + report.Append("Status: Wrong Hardware Revision " +
1.122 + revision.ToString());
1.123 + }
1.124 + } catch (TimeoutException) {
1.125 + report.AppendLine("Status: Timeout Reading Revision");
1.126 + }
1.127 + } else {
1.128 + report.AppendLine("Status: Wrong Startflag");
1.129 + }
1.130 + } else {
1.131 + report.AppendLine("Status: No Response");
1.132 + }
1.133 + } else {
1.134 + report.AppendLine("Status: Not Clear to Send");
1.135 + }
1.136 + serialPort.DiscardInBuffer();
1.137 + serialPort.Close();
1.138 + serialPort.Dispose();
1.139 + } else {
1.140 + report.AppendLine("Status: Port not Open");
1.141 + }
1.142 + if (isValid) {
1.143 + report.AppendLine("Status: OK");
1.144 + hardware.Add(new Heatmaster(portNames[i], settings));
1.145 + return;
1.146 + }
1.147 + } catch (Exception e) {
1.148 + report.AppendLine(e.ToString());
1.149 + }
1.150 + report.AppendLine();
1.151 + }
1.152 + }
1.153 +
1.154 + public IHardware[] Hardware {
1.155 + get {
1.156 + return hardware.ToArray();
1.157 + }
1.158 + }
1.159 +
1.160 + public string GetReport() {
1.161 + if (report.Length > 0) {
1.162 + report.Insert(0, "Serial Port Heatmaster" + Environment.NewLine +
1.163 + Environment.NewLine);
1.164 + report.AppendLine();
1.165 + return report.ToString();
1.166 + } else
1.167 + return null;
1.168 + }
1.169 +
1.170 + public void Close() {
1.171 + foreach (Heatmaster heatmaster in hardware)
1.172 + heatmaster.Close();
1.173 + }
1.174 + }
1.175 +}