moel@171: /*
moel@171:
moel@344: This Source Code Form is subject to the terms of the Mozilla Public
moel@344: License, v. 2.0. If a copy of the MPL was not distributed with this
moel@344: file, You can obtain one at http://mozilla.org/MPL/2.0/.
moel@171:
moel@344: Copyright (C) 2010-2011 Michael Möller <mmoeller@openhardwaremonitor.org>
moel@344:
moel@171: */
moel@171:
moel@171: using System;
moel@182: using System.Globalization;
moel@171: using System.IO;
moel@171: using System.IO.Ports;
moel@171: using System.Text;
moel@171: using System.Text.RegularExpressions;
moel@171: using System.Threading;
moel@171:
moel@171: namespace OpenHardwareMonitor.Hardware.Heatmaster {
moel@182: internal class Heatmaster : Hardware, IDisposable {
moel@171:
moel@195: private readonly string portName;
moel@171: private SerialPort serialPort;
moel@171:
moel@195: private readonly int hardwareRevision;
moel@195: private readonly int firmwareRevision;
moel@195: private readonly int firmwareCRC;
moel@171:
moel@195: private readonly Sensor[] fans;
moel@195: private readonly Sensor[] controls;
moel@195: private readonly Sensor[] temperatures;
moel@195: private readonly Sensor[] flows;
moel@195: private readonly Sensor[] relays;
moel@171:
moel@195: private readonly bool available;
moel@171:
moel@195: private readonly StringBuilder buffer = new StringBuilder();
moel@172:
moel@171: private string ReadLine(int timeout) {
moel@171: int i = 0;
moel@171: StringBuilder builder = new StringBuilder();
moel@171: while (i <= timeout) {
moel@171: while (serialPort.BytesToRead > 0) {
moel@171: byte b = (byte)serialPort.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@171: }
moel@171:
moel@171: private string ReadField(int device, char field) {
moel@171: serialPort.WriteLine("[0:" + device + "]R" + field);
moel@171: for (int i = 0; i < 5; i++) {
moel@172: string s = ReadLine(200);
moel@182: Match match = Regex.Match(s, @"-\[0:" +
moel@182: device.ToString(CultureInfo.InvariantCulture) + @"\]R" +
moel@182: Regex.Escape(field.ToString(CultureInfo.InvariantCulture)) + ":(.*)");
moel@171: if (match.Success)
moel@171: return match.Groups[1].Value;
moel@171: }
moel@171: return null;
moel@171: }
moel@171:
moel@195: protected string ReadString(int device, char field) {
moel@171: string s = ReadField(device, field);
moel@171: if (s != null && s[0] == '"' && s[s.Length - 1] == '"')
moel@171: return s.Substring(1, s.Length - 2);
moel@171: else
moel@171: return null;
moel@171: }
moel@171:
moel@195: protected int ReadInteger(int device, char field) {
moel@171: string s = ReadField(device, field);
moel@171: int i;
moel@171: if (int.TryParse(s, out i))
moel@171: return i;
moel@171: else
moel@171: return 0;
moel@171: }
moel@171:
moel@171: private bool WriteField(int device, char field, string value) {
moel@171: serialPort.WriteLine("[0:" + device + "]W" + field + ":" + value);
moel@171: for (int i = 0; i < 5; i++) {
moel@172: string s = ReadLine(200);
moel@182: Match match = Regex.Match(s, @"-\[0:" +
moel@182: device.ToString(CultureInfo.InvariantCulture) + @"\]W" +
moel@182: Regex.Escape(field.ToString(CultureInfo.InvariantCulture)) +
moel@182: ":" + value);
moel@171: if (match.Success)
moel@171: return true;
moel@171: }
moel@171: return false;
moel@171: }
moel@171:
moel@195: protected bool WriteInteger(int device, char field, int value) {
moel@182: return WriteField(device, field,
moel@182: value.ToString(CultureInfo.InvariantCulture));
moel@171: }
moel@171:
moel@195: protected bool WriteString(int device, char field, string value) {
moel@171: return WriteField(device, field, '"' + value + '"');
moel@171: }
moel@171:
moel@275: public Heatmaster(string portName, ISettings settings)
moel@275: : base("Heatmaster", new Identifier("heatmaster",
moel@275: portName.TrimStart(new [] {'/'}).ToLowerInvariant()), settings)
moel@275: {
moel@171: this.portName = portName;
moel@171: try {
moel@171: serialPort = new SerialPort(portName, 38400, Parity.None, 8,
moel@171: StopBits.One);
moel@171: serialPort.Open();
moel@171: serialPort.NewLine = ((char)0x0D).ToString();
moel@171:
moel@171: hardwareRevision = ReadInteger(0, 'H');
moel@171: firmwareRevision = ReadInteger(0, 'V');
moel@171: firmwareCRC = ReadInteger(0, 'C');
moel@171:
moel@173: int fanCount = Math.Min(ReadInteger(32, '?'), 4);
moel@173: int temperatureCount = Math.Min(ReadInteger(48, '?'), 6);
moel@173: int flowCount = Math.Min(ReadInteger(64, '?'), 1);
moel@173: int relayCount = Math.Min(ReadInteger(80, '?'), 1);
moel@171:
moel@171: fans = new Sensor[fanCount];
moel@171: controls = new Sensor[fanCount];
moel@171: for (int i = 0; i < fanCount; i++) {
moel@171: int device = 33 + i;
moel@171: string name = ReadString(device, 'C');
moel@171: fans[i] = new Sensor(name, device, SensorType.Fan, this, settings);
moel@171: fans[i].Value = ReadInteger(device, 'R');
moel@171: ActivateSensor(fans[i]);
moel@171: controls[i] =
moel@171: new Sensor(name, device, SensorType.Control, this, settings);
moel@171: controls[i].Value = (100 / 255.0f) * ReadInteger(device, 'P');
moel@171: ActivateSensor(controls[i]);
moel@195: }
moel@171:
moel@171: temperatures = new Sensor[temperatureCount];
moel@171: for (int i = 0; i < temperatureCount; i++) {
moel@171: int device = 49 + i;
moel@171: string name = ReadString(device, 'C');
moel@171: temperatures[i] =
moel@171: new Sensor(name, device, SensorType.Temperature, this, settings);
moel@171: int value = ReadInteger(device, 'T');
moel@171: temperatures[i].Value = 0.1f * value;
moel@171: if (value != -32768)
moel@171: ActivateSensor(temperatures[i]);
moel@171: }
moel@171:
moel@171: flows = new Sensor[flowCount];
moel@171: for (int i = 0; i < flowCount; i++) {
moel@171: int device = 65 + i;
moel@171: string name = ReadString(device, 'C');
moel@171: flows[i] = new Sensor(name, device, SensorType.Flow, this, settings);
moel@171: flows[i].Value = 0.1f * ReadInteger(device, 'L');
moel@171: ActivateSensor(flows[i]);
moel@171: }
moel@171:
moel@171: relays = new Sensor[relayCount];
moel@171: for (int i = 0; i < relayCount; i++) {
moel@171: int device = 81 + i;
moel@171: string name = ReadString(device, 'C');
moel@171: relays[i] =
moel@171: new Sensor(name, device, SensorType.Control, this, settings);
moel@171: relays[i].Value = 100 * ReadInteger(device, 'S');
moel@171: ActivateSensor(relays[i]);
moel@171: }
moel@171:
moel@171: // set the update rate to 2 Hz
moel@171: WriteInteger(0, 'L', 2);
moel@171:
moel@171: available = true;
moel@171:
moel@171: } catch (IOException) { } catch (TimeoutException) { }
moel@171: }
moel@171:
moel@171: public override HardwareType HardwareType {
moel@171: get { return HardwareType.Heatmaster; }
moel@171: }
moel@171:
moel@172: private void ProcessUpdateLine(string line) {
moel@172: Match match = Regex.Match(line, @">\[0:(\d+)\]([0-9:\|-]+)");
moel@172: if (match.Success) {
moel@172: int device;
moel@172: if (int.TryParse(match.Groups[1].Value, out device)) {
moel@172: foreach (string s in match.Groups[2].Value.Split('|')) {
moel@172: string[] strings = s.Split(':');
moel@260: int[] ints = new int[strings.Length];
moel@260: bool valid = true;
moel@172: for (int i = 0; i < ints.Length; i++)
moel@260: if (!int.TryParse(strings[i], out ints[i])) {
moel@260: valid = false;
moel@260: break;
moel@260: }
moel@260: if (!valid)
moel@260: continue;
moel@172: switch (device) {
moel@172: case 32:
moel@172: if (ints.Length == 3 && ints[0] <= fans.Length) {
moel@172: fans[ints[0] - 1].Value = ints[1];
moel@172: controls[ints[0] - 1].Value = (100 / 255.0f) * ints[2];
moel@172: }
moel@172: break;
moel@172: case 48:
moel@172: if (ints.Length == 2 && ints[0] <= temperatures.Length)
moel@172: temperatures[ints[0] - 1].Value = 0.1f * ints[1];
moel@172: break;
moel@172: case 64:
moel@172: if (ints.Length == 3 && ints[0] <= flows.Length)
moel@172: flows[ints[0] - 1].Value = 0.1f * ints[1];
moel@172: break;
moel@172: case 80:
moel@172: if (ints.Length == 2 && ints[0] <= relays.Length)
moel@172: relays[ints[0] - 1].Value = 100 * ints[1];
moel@172: break;
moel@172: }
moel@172: }
moel@172: }
moel@172: }
moel@172: }
moel@172:
moel@171: public override void Update() {
moel@171: if (!available)
moel@171: return;
moel@171:
moel@261: while (serialPort.IsOpen && serialPort.BytesToRead > 0) {
moel@172: byte b = (byte)serialPort.ReadByte();
moel@172: if (b == 0x0D) {
moel@172: ProcessUpdateLine(buffer.ToString());
moel@172: buffer.Length = 0;
moel@172: } else {
moel@172: buffer.Append((char)b);
moel@171: }
moel@171: }
moel@171: }
moel@171:
moel@171: public override string GetReport() {
moel@171: StringBuilder r = new StringBuilder();
moel@171:
moel@171: r.AppendLine("Heatmaster");
moel@171: r.AppendLine();
moel@171: r.Append("Port: ");
moel@171: r.AppendLine(portName);
moel@171: r.Append("Hardware Revision: ");
moel@182: r.AppendLine(hardwareRevision.ToString(CultureInfo.InvariantCulture));
moel@171: r.Append("Firmware Revision: ");
moel@182: r.AppendLine(firmwareRevision.ToString(CultureInfo.InvariantCulture));
moel@171: r.Append("Firmware CRC: ");
moel@182: r.AppendLine(firmwareCRC.ToString(CultureInfo.InvariantCulture));
moel@171: r.AppendLine();
moel@171:
moel@171: return r.ToString();
moel@171: }
moel@171:
moel@298: public override void Close() {
moel@171: serialPort.Close();
moel@182: serialPort.Dispose();
moel@182: serialPort = null;
moel@298: base.Close();
moel@182: }
moel@182:
moel@182: public void Dispose() {
moel@182: if (serialPort != null) {
moel@182: serialPort.Dispose();
moel@182: serialPort = null;
moel@182: }
moel@171: }
moel@171: }
moel@171: }