431 lines
14 KiB
C#
431 lines
14 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) 2010-2012 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.Text;
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namespace OpenHardwareMonitor.Hardware.LPC {
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internal class NCT677X : ISuperIO {
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private readonly ushort port;
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private readonly byte revision;
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private readonly Chip chip;
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private readonly float?[] voltages;
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private readonly float?[] temperatures;
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private readonly float?[] fans ;
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private readonly float?[] controls;
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// Hardware Monitor
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private const uint ADDRESS_REGISTER_OFFSET = 0x05;
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private const uint DATA_REGISTER_OFFSET = 0x06;
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private const byte BANK_SELECT_REGISTER = 0x4E;
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private byte ReadByte(ushort address) {
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byte bank = (byte)(address >> 8);
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byte register = (byte)(address & 0xFF);
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Ring0.WriteIoPort(port + ADDRESS_REGISTER_OFFSET, BANK_SELECT_REGISTER);
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Ring0.WriteIoPort(port + DATA_REGISTER_OFFSET, bank);
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Ring0.WriteIoPort(port + ADDRESS_REGISTER_OFFSET, register);
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return Ring0.ReadIoPort(port + DATA_REGISTER_OFFSET);
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}
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private void WriteByte(ushort address, byte value) {
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byte bank = (byte)(address >> 8);
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byte register = (byte)(address & 0xFF);
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Ring0.WriteIoPort(port + ADDRESS_REGISTER_OFFSET, BANK_SELECT_REGISTER);
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Ring0.WriteIoPort(port + DATA_REGISTER_OFFSET, bank);
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Ring0.WriteIoPort(port + ADDRESS_REGISTER_OFFSET, register);
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Ring0.WriteIoPort(port + DATA_REGISTER_OFFSET, value);
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}
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// Consts
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private const ushort NUVOTON_VENDOR_ID = 0x5CA3;
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// Hardware Monitor Registers
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private const ushort VENDOR_ID_HIGH_REGISTER = 0x804F;
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private const ushort VENDOR_ID_LOW_REGISTER = 0x004F;
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private readonly ushort[] FAN_PWM_OUT_REG =
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{ 0x001, 0x003, 0x011, 0x013, 0x015 };
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private readonly ushort[] FAN_PWM_COMMAND_REG =
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{ 0x109, 0x209, 0x309, 0x809, 0x909 };
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private readonly ushort[] FAN_CONTROL_MODE_REG =
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{ 0x102, 0x202, 0x302, 0x802, 0x902 };
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private readonly ushort fanRpmBaseRegister;
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private readonly int minFanRPM;
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private bool[] restoreDefaultFanControlRequired = new bool[5];
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private byte[] initialFanControlMode = new byte[5];
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private byte[] initialFanPwmCommand = new byte[5];
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private readonly ushort[] voltageRegisters;
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private readonly ushort voltageVBatRegister;
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private readonly byte[] temperaturesSource;
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private readonly ushort[] temperatureRegister;
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private readonly ushort[] temperatureHalfRegister;
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private readonly int[] temperatureHalfBit;
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private readonly ushort[] temperatureSourceRegister;
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private readonly ushort?[] alternateTemperatureRegister;
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private enum SourceNCT6771F : byte {
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SYSTIN = 1,
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CPUTIN = 2,
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AUXTIN = 3,
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SMBUSMASTER = 4,
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PECI_0 = 5,
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PECI_1 = 6,
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PECI_2 = 7,
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PECI_3 = 8,
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PECI_4 = 9,
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PECI_5 = 10,
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PECI_6 = 11,
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PECI_7 = 12,
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PCH_CHIP_CPU_MAX_TEMP = 13,
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PCH_CHIP_TEMP = 14,
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PCH_CPU_TEMP = 15,
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PCH_MCH_TEMP = 16,
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PCH_DIM0_TEMP = 17,
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PCH_DIM1_TEMP = 18,
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PCH_DIM2_TEMP = 19,
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PCH_DIM3_TEMP = 20
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}
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private enum SourceNCT6776F : byte {
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SYSTIN = 1,
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CPUTIN = 2,
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AUXTIN = 3,
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SMBUSMASTER_0 = 4,
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SMBUSMASTER_1 = 5,
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SMBUSMASTER_2 = 6,
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SMBUSMASTER_3 = 7,
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SMBUSMASTER_4 = 8,
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SMBUSMASTER_5 = 9,
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SMBUSMASTER_6 = 10,
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SMBUSMASTER_7 = 11,
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PECI_0 = 12,
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PECI_1 = 13,
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PCH_CHIP_CPU_MAX_TEMP = 14,
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PCH_CHIP_TEMP = 15,
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PCH_CPU_TEMP = 16,
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PCH_MCH_TEMP = 17,
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PCH_DIM0_TEMP = 18,
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PCH_DIM1_TEMP = 19,
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PCH_DIM2_TEMP = 20,
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PCH_DIM3_TEMP = 21,
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BYTE_TEMP = 22
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}
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private enum SourceNCT6779D : byte {
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SYSTIN = 1,
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CPUTIN = 2,
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AUXTIN0 = 3,
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AUXTIN1 = 4,
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AUXTIN2 = 5,
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AUXTIN3 = 6,
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SMBUSMASTER_0 = 8,
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SMBUSMASTER_1 = 9,
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SMBUSMASTER_2 = 10,
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SMBUSMASTER_3 = 11,
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SMBUSMASTER_4 = 12,
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SMBUSMASTER_5 = 13,
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SMBUSMASTER_6 = 14,
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SMBUSMASTER_7 = 15,
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PECI_0 = 16,
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PECI_1 = 17,
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PCH_CHIP_CPU_MAX_TEMP = 18,
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PCH_CHIP_TEMP = 19,
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PCH_CPU_TEMP = 20,
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PCH_MCH_TEMP = 21,
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PCH_DIM0_TEMP = 22,
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PCH_DIM1_TEMP = 23,
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PCH_DIM2_TEMP = 24,
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PCH_DIM3_TEMP = 25,
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BYTE_TEMP = 26
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}
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public NCT677X(Chip chip, byte revision, ushort port) {
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this.chip = chip;
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this.revision = revision;
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this.port = port;
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if (!IsNuvotonVendor())
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return;
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switch (chip) {
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case Chip.NCT6771F:
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case Chip.NCT6776F:
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if (chip == Chip.NCT6771F) {
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fans = new float?[4];
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// min value RPM value with 16-bit fan counter
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minFanRPM = (int)(1.35e6 / 0xFFFF);
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temperaturesSource = new byte[] {
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(byte)SourceNCT6771F.PECI_0,
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(byte)SourceNCT6771F.CPUTIN,
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(byte)SourceNCT6771F.AUXTIN,
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(byte)SourceNCT6771F.SYSTIN
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};
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} else {
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fans = new float?[5];
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// min value RPM value with 13-bit fan counter
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minFanRPM = (int)(1.35e6 / 0x1FFF);
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temperaturesSource = new byte[] {
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(byte)SourceNCT6776F.PECI_0,
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(byte)SourceNCT6776F.CPUTIN,
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(byte)SourceNCT6776F.AUXTIN,
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(byte)SourceNCT6776F.SYSTIN
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};
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}
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fanRpmBaseRegister = 0x656;
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controls = new float?[3];
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voltages = new float?[9];
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voltageRegisters = new ushort[]
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{ 0x020, 0x021, 0x022, 0x023, 0x024, 0x025, 0x026, 0x550, 0x551 };
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voltageVBatRegister = 0x551;
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temperatures = new float?[4];
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temperatureRegister = new ushort[]
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{ 0x027, 0x073, 0x075, 0x077, 0x150, 0x250, 0x62B, 0x62C, 0x62D };
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temperatureHalfRegister = new ushort[]
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{ 0, 0x074, 0x076, 0x078, 0x151, 0x251, 0x62E, 0x62E, 0x62E };
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temperatureHalfBit = new int[]
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{ -1, 7, 7, 7, 7, 7, 0, 1, 2 };
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temperatureSourceRegister = new ushort[]
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{ 0x621, 0x100, 0x200, 0x300, 0x622, 0x623, 0x624, 0x625, 0x626 };
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alternateTemperatureRegister = new ushort?[]
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{ null, null, null, null };
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break;
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case Chip.NCT6779D:
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fans = new float?[5];
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fanRpmBaseRegister = 0x4C0;
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// min value RPM value with 13-bit fan counter
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minFanRPM = (int)(1.35e6 / 0x1FFF);
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controls = new float?[5];
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voltages = new float?[15];
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voltageRegisters = new ushort[]
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{ 0x480, 0x481, 0x482, 0x483, 0x484, 0x485, 0x486, 0x487, 0x488,
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0x489, 0x48A, 0x48B, 0x48C, 0x48D, 0x48E };
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voltageVBatRegister = 0x488;
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temperatures = new float?[7];
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temperaturesSource = new byte[] {
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(byte)SourceNCT6779D.PECI_0,
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(byte)SourceNCT6779D.CPUTIN,
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(byte)SourceNCT6779D.SYSTIN,
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(byte)SourceNCT6779D.AUXTIN0,
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(byte)SourceNCT6779D.AUXTIN1,
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(byte)SourceNCT6779D.AUXTIN2,
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(byte)SourceNCT6779D.AUXTIN3
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};
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temperatureRegister = new ushort[]
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{ 0x027, 0x073, 0x075, 0x077, 0x079, 0x07B, 0x150 };
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temperatureHalfRegister = new ushort[]
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{ 0, 0x074, 0x076, 0x078, 0x07A, 0x07C, 0x151 };
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temperatureHalfBit = new int[]
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{ -1, 7, 7, 7, 7, 7, 7 };
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temperatureSourceRegister = new ushort[]
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{ 0x621, 0x100, 0x200, 0x300, 0x800, 0x900, 0x622 };
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alternateTemperatureRegister = new ushort?[]
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{null, 0x491, 0x490, 0x492, 0x493, 0x494, 0x495 };
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break;
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}
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}
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private bool IsNuvotonVendor() {
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return ((ReadByte(VENDOR_ID_HIGH_REGISTER) << 8) |
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ReadByte(VENDOR_ID_LOW_REGISTER)) == NUVOTON_VENDOR_ID;
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}
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public byte? ReadGPIO(int index) {
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return null;
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}
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public void WriteGPIO(int index, byte value) { }
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private void SaveDefaultFanControl(int index) {
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if (!restoreDefaultFanControlRequired[index]) {
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initialFanControlMode[index] = ReadByte(FAN_CONTROL_MODE_REG[index]);
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initialFanPwmCommand[index] = ReadByte(FAN_PWM_COMMAND_REG[index]);
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restoreDefaultFanControlRequired[index] = true;
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}
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}
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private void RestoreDefaultFanControl(int index) {
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if (restoreDefaultFanControlRequired[index]) {
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WriteByte(FAN_CONTROL_MODE_REG[index], initialFanControlMode[index]);
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WriteByte(FAN_PWM_COMMAND_REG[index], initialFanPwmCommand[index]);
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restoreDefaultFanControlRequired[index] = false;
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}
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}
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public void SetControl(int index, byte? value) {
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if (index < 0 || index >= controls.Length)
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throw new ArgumentOutOfRangeException("index");
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if (!Ring0.WaitIsaBusMutex(10))
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return;
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if (value.HasValue) {
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SaveDefaultFanControl(index);
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// set manual mode
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WriteByte(FAN_CONTROL_MODE_REG[index], 0);
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// set output value
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WriteByte(FAN_PWM_COMMAND_REG[index], value.Value);
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} else {
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RestoreDefaultFanControl(index);
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}
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Ring0.ReleaseIsaBusMutex();
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}
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public Chip Chip { get { return chip; } }
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public float?[] Voltages { get { return voltages; } }
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public float?[] Temperatures { get { return temperatures; } }
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public float?[] Fans { get { return fans; } }
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public float?[] Controls { get { return controls; } }
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public void Update() {
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if (!Ring0.WaitIsaBusMutex(10))
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return;
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for (int i = 0; i < voltages.Length; i++) {
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float value = 0.008f * ReadByte(voltageRegisters[i]);
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bool valid = value > 0;
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// check if battery voltage monitor is enabled
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if (valid && voltageRegisters[i] == voltageVBatRegister)
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valid = (ReadByte(0x005D) & 0x01) > 0;
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voltages[i] = valid ? value : (float?)null;
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}
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int temperatureSourceMask = 0;
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for (int i = temperatureRegister.Length - 1; i >= 0 ; i--) {
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int value = ((sbyte)ReadByte(temperatureRegister[i])) << 1;
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if (temperatureHalfBit[i] > 0) {
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value |= ((ReadByte(temperatureHalfRegister[i]) >>
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temperatureHalfBit[i]) & 0x1);
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}
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byte source = ReadByte(temperatureSourceRegister[i]);
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temperatureSourceMask |= 1 << source;
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float? temperature = 0.5f * value;
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if (temperature > 125 || temperature < -55)
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temperature = null;
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for (int j = 0; j < temperatures.Length; j++)
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if (temperaturesSource[j] == source)
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temperatures[j] = temperature;
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}
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for (int i = 0; i < alternateTemperatureRegister.Length; i++) {
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if (!alternateTemperatureRegister[i].HasValue)
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continue;
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if ((temperatureSourceMask & (1 << temperaturesSource[i])) > 0)
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continue;
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temperatures[i] = ReadByte(alternateTemperatureRegister[i].Value);
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}
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for (int i = 0; i < fans.Length; i++) {
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byte high = ReadByte((ushort)(fanRpmBaseRegister + (i << 1)));
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byte low = ReadByte((ushort)(fanRpmBaseRegister + (i << 1) + 1));
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int value = (high << 8) | low;
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fans[i] = value > minFanRPM ? value : 0;
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}
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for (int i = 0; i < controls.Length; i++) {
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int value = ReadByte(FAN_PWM_OUT_REG[i]);
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controls[i] = value / 2.55f;
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}
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Ring0.ReleaseIsaBusMutex();
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}
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public string GetReport() {
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StringBuilder r = new StringBuilder();
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r.AppendLine("LPC " + this.GetType().Name);
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r.AppendLine();
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r.Append("Chip ID: 0x"); r.AppendLine(chip.ToString("X"));
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r.Append("Chip revision: 0x");
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r.AppendLine(revision.ToString("X", CultureInfo.InvariantCulture));
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r.Append("Base Adress: 0x");
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r.AppendLine(port.ToString("X4", CultureInfo.InvariantCulture));
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r.AppendLine();
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if (!Ring0.WaitIsaBusMutex(100))
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return r.ToString();
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ushort[] addresses = new ushort[] {
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0x000, 0x010, 0x020, 0x030, 0x040, 0x050, 0x060, 0x070,
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0x100, 0x110, 0x120, 0x130, 0x140, 0x150,
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0x200, 0x220, 0x230, 0x240, 0x250,
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0x300, 0x320, 0x330, 0x340,
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0x400, 0x410, 0x420, 0x440, 0x450, 0x460, 0x480, 0x490, 0x4C0,
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0x500, 0x550,
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0x600, 0x610 ,0x620, 0x630, 0x640, 0x650, 0x660, 0x670,
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0x800,
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0x900,
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0xA00, 0xA10, 0xA20, 0xA30, 0xA50, 0xA60, 0xA70,
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0xB00, 0xB10, 0xB20, 0xB30, 0xB50, 0xB60, 0xB70,
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0xC00, 0xC10, 0xC20, 0xC30, 0xC50, 0xC60, 0xC70,
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0xD00, 0xD10, 0xD20, 0xD30, 0xD50, 0xD60,
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0xE00, 0xE10, 0xE20, 0xE30,
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0xF00, 0xF10, 0xF20, 0xF30};
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r.AppendLine("Hardware Monitor Registers");
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r.AppendLine();
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r.AppendLine(" 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F");
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r.AppendLine();
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foreach (ushort address in addresses) {
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r.Append(" ");
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r.Append(address.ToString("X3", CultureInfo.InvariantCulture));
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r.Append(" ");
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for (ushort j = 0; j <= 0xF; j++) {
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r.Append(" ");
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r.Append(ReadByte((ushort)(address | j)).ToString(
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"X2", CultureInfo.InvariantCulture));
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}
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r.AppendLine();
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}
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r.AppendLine();
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Ring0.ReleaseIsaBusMutex();
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return r.ToString();
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}
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}
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}
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