Refactored the hardware monitoring code into a library (Issue 101).
3 Version: MPL 1.1/GPL 2.0/LGPL 2.1
5 The contents of this file are subject to the Mozilla Public License Version
6 1.1 (the "License"); you may not use this file except in compliance with
7 the License. You may obtain a copy of the License at
9 http://www.mozilla.org/MPL/
11 Software distributed under the License is distributed on an "AS IS" basis,
12 WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
13 for the specific language governing rights and limitations under the License.
15 The Original Code is the Open Hardware Monitor code.
17 The Initial Developer of the Original Code is
18 Michael Möller <m.moeller@gmx.ch>.
19 Portions created by the Initial Developer are Copyright (C) 2009-2010
20 the Initial Developer. All Rights Reserved.
24 Alternatively, the contents of this file may be used under the terms of
25 either the GNU General Public License Version 2 or later (the "GPL"), or
26 the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
27 in which case the provisions of the GPL or the LGPL are applicable instead
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31 decision by deleting the provisions above and replace them with the notice
32 and other provisions required by the GPL or the LGPL. If you do not delete
33 the provisions above, a recipient may use your version of this file under
34 the terms of any one of the MPL, the GPL or the LGPL.
39 using System.Collections.Generic;
42 namespace OpenHardwareMonitor.Hardware.LPC {
43 internal class F718XX : ISuperIO {
45 private ushort address;
48 private float?[] voltages;
49 private float?[] temperatures;
50 private float?[] fans;
53 private const byte ADDRESS_REGISTER_OFFSET = 0x05;
54 private const byte DATA_REGISTER_OFFSET = 0x06;
56 // Hardware Monitor Registers
57 private const byte VOLTAGE_BASE_REG = 0x20;
58 private const byte TEMPERATURE_CONFIG_REG = 0x69;
59 private const byte TEMPERATURE_BASE_REG = 0x70;
60 private byte[] FAN_TACHOMETER_REG = new byte[] { 0xA0, 0xB0, 0xC0, 0xD0 };
62 private byte ReadByte(byte register) {
63 WinRing0.WriteIoPortByte(
64 (ushort)(address + ADDRESS_REGISTER_OFFSET), register);
65 return WinRing0.ReadIoPortByte((ushort)(address + DATA_REGISTER_OFFSET));
68 public F718XX(Chip chip, ushort address) {
69 this.address = address;
72 voltages = new float?[chip == Chip.F71858 ? 3 : 9];
73 temperatures = new float?[3];
74 fans = new float?[chip == Chip.F71882 || chip == Chip.F71858? 4 : 3];
77 public Chip Chip { get { return chip; } }
78 public float?[] Voltages { get { return voltages; } }
79 public float?[] Temperatures { get { return temperatures; } }
80 public float?[] Fans { get { return fans; } }
82 public string GetReport() {
83 StringBuilder r = new StringBuilder();
85 r.AppendLine("LPC " + this.GetType().Name);
87 r.Append("Base Adress: 0x"); r.AppendLine(address.ToString("X4"));
90 if (!WinRing0.WaitIsaBusMutex(100))
93 r.AppendLine("Hardware Monitor Registers");
95 r.AppendLine(" 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F");
97 for (int i = 0; i <= 0xF; i++) {
98 r.Append(" "); r.Append((i << 4).ToString("X2")); r.Append(" ");
99 for (int j = 0; j <= 0xF; j++) {
101 r.Append(ReadByte((byte)((i << 4) | j)).ToString("X2"));
107 WinRing0.ReleaseIsaBusMutex();
112 public void Update() {
113 if (!WinRing0.WaitIsaBusMutex(10))
116 for (int i = 0; i < voltages.Length; i++) {
117 int value = ReadByte((byte)(VOLTAGE_BASE_REG + i));
118 voltages[i] = 0.008f * value;
121 for (int i = 0; i < temperatures.Length; i++) {
124 int tableMode = 0x3 & ReadByte((byte)(TEMPERATURE_CONFIG_REG));
126 ReadByte((byte)(TEMPERATURE_BASE_REG + 2 * i));
128 ReadByte((byte)(TEMPERATURE_BASE_REG + 2 * i + 1));
129 if (high != 0xbb && high != 0xcc) {
132 case 0: bits = 0; break;
133 case 1: bits = 0; break;
134 case 2: bits = (high & 0x80) << 8; break;
135 case 3: bits = (low & 0x01) << 15; break;
138 bits |= (low & 0xe0) >> 1;
139 short value = (short)(bits & 0xfff0);
140 temperatures[i] = value / 128.0f;
142 temperatures[i] = null;
146 sbyte value = (sbyte)ReadByte((byte)(
147 TEMPERATURE_BASE_REG + 2 * (i + 1)));
148 if (value < sbyte.MaxValue && value > 0)
149 temperatures[i] = value;
151 temperatures[i] = null;
156 for (int i = 0; i < fans.Length; i++) {
157 int value = ReadByte(FAN_TACHOMETER_REG[i]) << 8;
158 value |= ReadByte((byte)(FAN_TACHOMETER_REG[i] + 1));
161 fans[i] = (value < 0x0fff) ? 1.5e6f / value : 0;
166 WinRing0.ReleaseIsaBusMutex();