276 lines
9.1 KiB
C#
276 lines
9.1 KiB
C#
/*
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This Source Code Form is subject to the terms of the Mozilla Public
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License, v. 2.0. If a copy of the MPL was not distributed with this
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file, You can obtain one at http://mozilla.org/MPL/2.0/.
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Copyright (C) 2010-2011 Michael Möller <mmoeller@openhardwaremonitor.org>
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*/
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using System;
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using System.Globalization;
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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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using System.Text.RegularExpressions;
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using System.Threading;
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namespace OpenHardwareMonitor.Hardware.Heatmaster {
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internal class Heatmaster : Hardware, IDisposable {
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private readonly string portName;
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private SerialPort serialPort;
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private readonly int hardwareRevision;
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private readonly int firmwareRevision;
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private readonly int firmwareCRC;
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private readonly Sensor[] fans;
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private readonly Sensor[] controls;
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private readonly Sensor[] temperatures;
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private readonly Sensor[] flows;
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private readonly Sensor[] relays;
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private readonly bool available;
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private readonly StringBuilder buffer = new StringBuilder();
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private string ReadLine(int timeout) {
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int i = 0;
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StringBuilder builder = new StringBuilder();
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while (i <= timeout) {
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while (serialPort.BytesToRead > 0) {
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byte b = (byte)serialPort.ReadByte();
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switch (b) {
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case 0xAA: return ((char)b).ToString();
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case 0x0D: return builder.ToString();
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default: builder.Append((char)b); break;
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}
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}
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i++;
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Thread.Sleep(1);
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}
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throw new TimeoutException();
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}
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private string ReadField(int device, char field) {
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serialPort.WriteLine("[0:" + device + "]R" + field);
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for (int i = 0; i < 5; i++) {
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string s = ReadLine(200);
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Match match = Regex.Match(s, @"-\[0:" +
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device.ToString(CultureInfo.InvariantCulture) + @"\]R" +
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Regex.Escape(field.ToString(CultureInfo.InvariantCulture)) + ":(.*)");
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if (match.Success)
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return match.Groups[1].Value;
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}
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return null;
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}
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protected string ReadString(int device, char field) {
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string s = ReadField(device, field);
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if (s != null && s[0] == '"' && s[s.Length - 1] == '"')
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return s.Substring(1, s.Length - 2);
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else
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return null;
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}
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protected int ReadInteger(int device, char field) {
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string s = ReadField(device, field);
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int i;
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if (int.TryParse(s, out i))
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return i;
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else
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return 0;
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}
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private bool WriteField(int device, char field, string value) {
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serialPort.WriteLine("[0:" + device + "]W" + field + ":" + value);
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for (int i = 0; i < 5; i++) {
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string s = ReadLine(200);
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Match match = Regex.Match(s, @"-\[0:" +
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device.ToString(CultureInfo.InvariantCulture) + @"\]W" +
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Regex.Escape(field.ToString(CultureInfo.InvariantCulture)) +
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":" + value);
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if (match.Success)
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return true;
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}
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return false;
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}
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protected bool WriteInteger(int device, char field, int value) {
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return WriteField(device, field,
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value.ToString(CultureInfo.InvariantCulture));
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}
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protected bool WriteString(int device, char field, string value) {
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return WriteField(device, field, '"' + value + '"');
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}
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public Heatmaster(string portName, ISettings settings)
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: base("Heatmaster", new Identifier("heatmaster",
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portName.TrimStart(new [] {'/'}).ToLowerInvariant()), settings)
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{
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this.portName = portName;
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try {
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serialPort = new SerialPort(portName, 38400, Parity.None, 8,
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StopBits.One);
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serialPort.Open();
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serialPort.NewLine = ((char)0x0D).ToString();
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hardwareRevision = ReadInteger(0, 'H');
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firmwareRevision = ReadInteger(0, 'V');
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firmwareCRC = ReadInteger(0, 'C');
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int fanCount = Math.Min(ReadInteger(32, '?'), 4);
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int temperatureCount = Math.Min(ReadInteger(48, '?'), 6);
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int flowCount = Math.Min(ReadInteger(64, '?'), 1);
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int relayCount = Math.Min(ReadInteger(80, '?'), 1);
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fans = new Sensor[fanCount];
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controls = new Sensor[fanCount];
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for (int i = 0; i < fanCount; i++) {
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int device = 33 + i;
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string name = ReadString(device, 'C');
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fans[i] = new Sensor(name, device, SensorType.Fan, this, settings);
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fans[i].Value = ReadInteger(device, 'R');
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ActivateSensor(fans[i]);
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controls[i] =
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new Sensor(name, device, SensorType.Control, this, settings);
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controls[i].Value = (100 / 255.0f) * ReadInteger(device, 'P');
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ActivateSensor(controls[i]);
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}
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temperatures = new Sensor[temperatureCount];
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for (int i = 0; i < temperatureCount; i++) {
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int device = 49 + i;
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string name = ReadString(device, 'C');
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temperatures[i] =
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new Sensor(name, device, SensorType.Temperature, this, settings);
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int value = ReadInteger(device, 'T');
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temperatures[i].Value = 0.1f * value;
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if (value != -32768)
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ActivateSensor(temperatures[i]);
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}
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flows = new Sensor[flowCount];
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for (int i = 0; i < flowCount; i++) {
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int device = 65 + i;
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string name = ReadString(device, 'C');
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flows[i] = new Sensor(name, device, SensorType.Flow, this, settings);
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flows[i].Value = 0.1f * ReadInteger(device, 'L');
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ActivateSensor(flows[i]);
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}
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relays = new Sensor[relayCount];
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for (int i = 0; i < relayCount; i++) {
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int device = 81 + i;
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string name = ReadString(device, 'C');
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relays[i] =
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new Sensor(name, device, SensorType.Control, this, settings);
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relays[i].Value = 100 * ReadInteger(device, 'S');
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ActivateSensor(relays[i]);
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}
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// set the update rate to 2 Hz
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WriteInteger(0, 'L', 2);
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available = true;
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} catch (IOException) { } catch (TimeoutException) { }
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}
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public override HardwareType HardwareType {
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get { return HardwareType.Heatmaster; }
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}
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private void ProcessUpdateLine(string line) {
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Match match = Regex.Match(line, @">\[0:(\d+)\]([0-9:\|-]+)");
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if (match.Success) {
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int device;
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if (int.TryParse(match.Groups[1].Value, out device)) {
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foreach (string s in match.Groups[2].Value.Split('|')) {
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string[] strings = s.Split(':');
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int[] ints = new int[strings.Length];
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bool valid = true;
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for (int i = 0; i < ints.Length; i++)
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if (!int.TryParse(strings[i], out ints[i])) {
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valid = false;
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break;
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}
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if (!valid)
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continue;
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switch (device) {
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case 32:
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if (ints.Length == 3 && ints[0] <= fans.Length) {
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fans[ints[0] - 1].Value = ints[1];
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controls[ints[0] - 1].Value = (100 / 255.0f) * ints[2];
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}
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break;
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case 48:
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if (ints.Length == 2 && ints[0] <= temperatures.Length)
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temperatures[ints[0] - 1].Value = 0.1f * ints[1];
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break;
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case 64:
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if (ints.Length == 3 && ints[0] <= flows.Length)
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flows[ints[0] - 1].Value = 0.1f * ints[1];
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break;
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case 80:
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if (ints.Length == 2 && ints[0] <= relays.Length)
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relays[ints[0] - 1].Value = 100 * ints[1];
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break;
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}
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}
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}
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}
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}
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public override void Update() {
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if (!available)
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return;
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while (serialPort.IsOpen && serialPort.BytesToRead > 0) {
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byte b = (byte)serialPort.ReadByte();
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if (b == 0x0D) {
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ProcessUpdateLine(buffer.ToString());
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buffer.Length = 0;
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} else {
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buffer.Append((char)b);
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}
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}
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}
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public override string GetReport() {
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StringBuilder r = new StringBuilder();
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r.AppendLine("Heatmaster");
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r.AppendLine();
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r.Append("Port: ");
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r.AppendLine(portName);
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r.Append("Hardware Revision: ");
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r.AppendLine(hardwareRevision.ToString(CultureInfo.InvariantCulture));
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r.Append("Firmware Revision: ");
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r.AppendLine(firmwareRevision.ToString(CultureInfo.InvariantCulture));
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r.Append("Firmware CRC: ");
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r.AppendLine(firmwareCRC.ToString(CultureInfo.InvariantCulture));
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r.AppendLine();
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return r.ToString();
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}
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public override void Close() {
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serialPort.Close();
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serialPort.Dispose();
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serialPort = null;
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base.Close();
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}
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public void Dispose() {
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if (serialPort != null) {
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serialPort.Dispose();
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serialPort = null;
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}
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}
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}
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}
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