moel@1: /*
moel@1:
moel@1: Version: MPL 1.1/GPL 2.0/LGPL 2.1
moel@1:
moel@1: The contents of this file are subject to the Mozilla Public License Version
moel@1: 1.1 (the "License"); you may not use this file except in compliance with
moel@1: the License. You may obtain a copy of the License at
moel@1:
moel@1: http://www.mozilla.org/MPL/
moel@1:
moel@1: Software distributed under the License is distributed on an "AS IS" basis,
moel@1: WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
moel@1: for the specific language governing rights and limitations under the License.
moel@1:
moel@1: The Original Code is the Open Hardware Monitor code.
moel@1:
moel@1: The Initial Developer of the Original Code is
moel@1: Michael Möller <m.moeller@gmx.ch>.
moel@1: Portions created by the Initial Developer are Copyright (C) 2009-2010
moel@1: the Initial Developer. All Rights Reserved.
moel@1:
moel@1: Contributor(s):
moel@1:
moel@1: Alternatively, the contents of this file may be used under the terms of
moel@1: either the GNU General Public License Version 2 or later (the "GPL"), or
moel@1: the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
moel@1: in which case the provisions of the GPL or the LGPL are applicable instead
moel@1: of those above. If you wish to allow use of your version of this file only
moel@1: under the terms of either the GPL or the LGPL, and not to allow others to
moel@1: use your version of this file under the terms of the MPL, indicate your
moel@1: decision by deleting the provisions above and replace them with the notice
moel@1: and other provisions required by the GPL or the LGPL. If you do not delete
moel@1: the provisions above, a recipient may use your version of this file under
moel@1: the terms of any one of the MPL, the GPL or the LGPL.
moel@1:
moel@1: */
moel@1:
moel@1: using System;
moel@1: using System.Collections.Generic;
moel@1: using System.IO;
moel@1: using System.IO.Ports;
moel@32: using System.Text;
moel@1: using System.Threading;
moel@1:
moel@1: namespace OpenHardwareMonitor.Hardware.TBalancer {
moel@1: public class TBalancerGroup : IGroup {
moel@1:
moel@1: private List<TBalancer> hardware = new List<TBalancer>();
moel@32: private StringBuilder report = new StringBuilder();
moel@1:
moel@1: public TBalancerGroup() {
moel@32:
moel@32: string[] portNames = SerialPort.GetPortNames();
moel@1: for (int i = portNames.Length - 1; i >= 0; i--) {
moel@1: try {
moel@32:
moel@1: SerialPort serialPort =
moel@1: new SerialPort(portNames[i], 19200, Parity.None, 8, StopBits.One);
moel@47:
moel@1: bool isValid = false;
moel@33: byte protocolVersion = 0;
moel@41: report.Append("Port Name: "); report.AppendLine(portNames[i]);
moel@32:
moel@47: try {
moel@47: serialPort.Open();
moel@47: } catch (UnauthorizedAccessException) {
moel@47: report.AppendLine("Exception: Access Denied");
moel@47: }
moel@47:
moel@41: if (serialPort.IsOpen) {
moel@47: if (serialPort.CtsHolding) {
moel@47: serialPort.DiscardInBuffer();
moel@47: serialPort.DiscardOutBuffer();
moel@47: serialPort.Write(new byte[] { 0x38 }, 0, 1);
moel@47: int j = 0;
moel@47: while (serialPort.BytesToRead == 0 && j < 2) {
moel@47: Thread.Sleep(100);
moel@47: j++;
moel@47: }
moel@47: if (serialPort.BytesToRead > 0) {
moel@47: if (serialPort.ReadByte() == TBalancer.STARTFLAG) {
moel@47: while (serialPort.BytesToRead < 284 && j < 5) {
moel@47: Thread.Sleep(100);
moel@47: j++;
moel@47: }
moel@47: int length = serialPort.BytesToRead;
moel@47: if (length >= 284) {
moel@47: byte[] data = new byte[285];
moel@47: data[0] = TBalancer.STARTFLAG;
moel@47: for (int k = 1; k < data.Length; k++)
moel@47: data[k] = (byte)serialPort.ReadByte();
moel@32:
moel@47: // check protocol version 2X (protocols seen: 2C, 2A, 28)
moel@47: isValid = (data[274] & 0xF0) == 0x20;
moel@47: protocolVersion = data[274];
moel@47: if (!isValid) {
moel@47: report.Append("Status: Wrong Protocol Version: 0x");
moel@47: report.AppendLine(protocolVersion.ToString("X"));
moel@47: }
moel@47: } else {
moel@47: report.AppendLine("Status: Wrong Message Length: " +length);
moel@41: }
moel@41: } else {
moel@47: report.AppendLine("Status: Wrong Startflag");
moel@32: }
moel@32: } else {
moel@47: report.AppendLine("Status: No Response");
moel@1: }
moel@32: } else {
moel@47: report.AppendLine("Status: Not Clear to Send");
moel@1: }
moel@47: serialPort.DiscardInBuffer();
moel@47: serialPort.Close();
moel@47: } else {
moel@41: report.AppendLine("Status: Port not Open");
moel@47: }
moel@1: if (isValid) {
moel@32: report.AppendLine("Status: OK");
moel@33: hardware.Add(new TBalancer(portNames[i], protocolVersion));
moel@1: return;
moel@1: }
moel@51: } catch (Exception e) {
moel@51: report.AppendLine(e.ToString());
moel@51: }
moel@41: report.AppendLine();
moel@1: }
moel@1: }
moel@1:
moel@1: public IHardware[] Hardware {
moel@1: get {
moel@1: return hardware.ToArray();
moel@1: }
moel@1: }
moel@1:
moel@1: public string GetReport() {
moel@32: if (report.Length > 0) {
moel@32: report.Insert(0, "Serial Port T-Balancer" + Environment.NewLine +
moel@45: Environment.NewLine);
moel@45: report.AppendLine();
moel@32: return report.ToString();
moel@32: } else
moel@32: return null;
moel@1: }
moel@1:
moel@1: public void Close() {
moel@1: foreach (TBalancer tbalancer in hardware)
moel@1: tbalancer.Close();
moel@1: }
moel@1: }
moel@1: }