moel@136: /*
moel@136:
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@136:
moel@353: Copyright (C) 2009-2012 Michael Möller <mmoeller@openhardwaremonitor.org>
moel@344:
moel@136: */
moel@136:
moel@136: using System.Collections.Generic;
moel@166: using System.Globalization;
moel@136: using System.IO;
moel@268: using System.Text;
moel@136:
moel@136: namespace OpenHardwareMonitor.Hardware.LPC {
moel@136:
moel@165: internal class LMSensors {
moel@136:
moel@195: private readonly List<LMChip> lmChips = new List<LMChip>();
moel@136:
moel@136: public LMSensors() {
moel@266: string[] basePaths = Directory.GetDirectories("/sys/class/hwmon/");
moel@266: foreach (string basePath in basePaths) {
moel@266: foreach (string devicePath in new[] { "/device", "" }) {
moel@266: string path = basePath + devicePath;
moel@136:
moel@266: string name = null;
moel@266: try {
moel@266: using (StreamReader reader = new StreamReader(path + "/name"))
moel@266: name = reader.ReadLine();
moel@266: } catch (IOException) { }
moel@136:
moel@266: switch (name) {
moel@266: case "atk0110":
moel@266: lmChips.Add(new LMChip(Chip.ATK0110, path)); break;
moel@266:
moel@266: case "f71858fg":
moel@266: lmChips.Add(new LMChip(Chip.F71858, path)); break;
moel@266: case "f71862fg":
moel@266: lmChips.Add(new LMChip(Chip.F71862, path)); break;
moel@266: case "f71882fg":
moel@266: lmChips.Add(new LMChip(Chip.F71882, path)); break;
moel@266: case "f71889fg":
moel@266: lmChips.Add(new LMChip(Chip.F71889F, path)); break;
moel@266:
moel@353: case "it8705":
moel@353: lmChips.Add(new LMChip(Chip.IT8705F, path)); break;
moel@266: case "it8712":
moel@266: lmChips.Add(new LMChip(Chip.IT8712F, path)); break;
moel@266: case "it8716":
moel@266: lmChips.Add(new LMChip(Chip.IT8716F, path)); break;
moel@266: case "it8718":
moel@266: lmChips.Add(new LMChip(Chip.IT8718F, path)); break;
moel@266: case "it8720":
moel@266: lmChips.Add(new LMChip(Chip.IT8720F, path)); break;
moel@266:
moel@266: case "w83627ehf":
moel@266: lmChips.Add(new LMChip(Chip.W83627EHF, path)); break;
moel@266: case "w83627dhg":
moel@266: lmChips.Add(new LMChip(Chip.W83627DHG, path)); break;
moel@266: case "w83667hg":
moel@266: lmChips.Add(new LMChip(Chip.W83667HG, path)); break;
moel@266: case "w83627hf":
moel@266: lmChips.Add(new LMChip(Chip.W83627HF, path)); break;
moel@266: case "w83627thf":
moel@266: lmChips.Add(new LMChip(Chip.W83627THF, path)); break;
moel@266: case "w83687thf":
moel@266: lmChips.Add(new LMChip(Chip.W83687THF, path)); break;
moel@266: }
moel@136: }
moel@136: }
moel@136: }
moel@136:
moel@136: public void Close() {
moel@136: foreach (LMChip lmChip in lmChips)
moel@136: lmChip.Close();
moel@136: }
moel@136:
moel@136: public ISuperIO[] SuperIO {
moel@136: get {
moel@136: return lmChips.ToArray();
moel@136: }
moel@136: }
moel@136:
moel@136: private class LMChip : ISuperIO {
moel@136:
moel@136: private string path;
moel@195: private readonly Chip chip;
moel@136:
moel@195: private readonly float?[] voltages;
moel@195: private readonly float?[] temperatures;
moel@195: private readonly float?[] fans;
moel@323: private readonly float?[] controls;
moel@136:
moel@268: private readonly FileStream[] voltageStreams;
moel@268: private readonly FileStream[] temperatureStreams;
moel@268: private readonly FileStream[] fanStreams;
moel@136:
moel@136: public Chip Chip { get { return chip; } }
moel@136: public float?[] Voltages { get { return voltages; } }
moel@136: public float?[] Temperatures { get { return temperatures; } }
moel@136: public float?[] Fans { get { return fans; } }
moel@323: public float?[] Controls { get { return controls; } }
moel@136:
moel@136: public LMChip(Chip chip, string path) {
moel@136: this.path = path;
moel@136: this.chip = chip;
moel@136:
moel@136: string[] voltagePaths = Directory.GetFiles(path, "in*_input");
moel@136: this.voltages = new float?[voltagePaths.Length];
moel@268: this.voltageStreams = new FileStream[voltagePaths.Length];
moel@136: for (int i = 0; i < voltagePaths.Length; i++)
moel@268: voltageStreams[i] = new FileStream(voltagePaths[i],
moel@268: FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
moel@136:
moel@136: string[] temperaturePaths = Directory.GetFiles(path, "temp*_input");
moel@136: this.temperatures = new float?[temperaturePaths.Length];
moel@268: this.temperatureStreams = new FileStream[temperaturePaths.Length];
moel@136: for (int i = 0; i < temperaturePaths.Length; i++)
moel@268: temperatureStreams[i] = new FileStream(temperaturePaths[i],
moel@268: FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
moel@136:
moel@136: string[] fanPaths = Directory.GetFiles(path, "fan*_input");
moel@136: this.fans = new float?[fanPaths.Length];
moel@268: this.fanStreams = new FileStream[fanPaths.Length];
moel@136: for (int i = 0; i < fanPaths.Length; i++)
moel@268: fanStreams[i] = new FileStream(fanPaths[i],
moel@268: FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
moel@323:
moel@323: this.controls = new float?[0];
moel@136: }
moel@136:
moel@228: public byte? ReadGPIO(int index) {
moel@228: return null;
moel@228: }
moel@228:
moel@228: public void WriteGPIO(int index, byte value) { }
moel@228:
moel@136: public string GetReport() {
moel@136: return null;
moel@136: }
moel@136:
moel@323: public void SetControl(int index, byte? value) { }
moel@323:
moel@268: private string ReadFirstLine(Stream stream) {
moel@268: StringBuilder sb = new StringBuilder();
moel@268: try {
moel@268: stream.Seek(0, SeekOrigin.Begin);
moel@268: int b = stream.ReadByte();
moel@268: while (b != -1 && b != 10) {
moel@268: sb.Append((char)b);
moel@268: b = stream.ReadByte();
moel@268: }
moel@268: } catch { }
moel@268: return sb.ToString();
moel@268: }
moel@268:
moel@136: public void Update() {
moel@136: for (int i = 0; i < voltages.Length; i++) {
moel@268: string s = ReadFirstLine(voltageStreams[i]);
moel@136: try {
moel@268: voltages[i] = 0.001f *
moel@166: long.Parse(s, CultureInfo.InvariantCulture);
moel@136: } catch {
moel@136: voltages[i] = null;
moel@136: }
moel@136: }
moel@136:
moel@136: for (int i = 0; i < temperatures.Length; i++) {
moel@268: string s = ReadFirstLine(temperatureStreams[i]);
moel@136: try {
moel@268: temperatures[i] = 0.001f *
moel@166: long.Parse(s, CultureInfo.InvariantCulture);
moel@136: } catch {
moel@136: temperatures[i] = null;
moel@136: }
moel@136: }
moel@136:
moel@136: for (int i = 0; i < fans.Length; i++) {
moel@268: string s = ReadFirstLine(fanStreams[i]);
moel@136: try {
moel@166: fans[i] = long.Parse(s, CultureInfo.InvariantCulture);
moel@136: } catch {
moel@136: fans[i] = null;
moel@136: }
moel@136: }
moel@136: }
moel@136:
moel@136: public void Close() {
moel@268: foreach (FileStream stream in voltageStreams)
moel@268: stream.Close();
moel@268: foreach (FileStream stream in temperatureStreams)
moel@268: stream.Close();
moel@268: foreach (FileStream stream in fanStreams)
moel@268: stream.Close();
moel@136: }
moel@136: }
moel@136: }
moel@136: }