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Source/Meadow.Foundation.Peripherals/Sensors.Temperature.Pct2075/Datasheet/PCT2075.pdf
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Source/Meadow.Foundation.Peripherals/Sensors.Temperature.Pct2075/Driver/Pct2075.Enums.cs
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| namespace Meadow.Foundation.Sensors.Temperature; | ||
|
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| public partial class Pct2075 | ||
| { | ||
| /// <summary> | ||
| /// Valid I2C addresses for the PCT2075 sensor. | ||
| /// </summary> | ||
| public enum Addresses : byte | ||
| { | ||
| /// <summary> | ||
| /// I2C address: 0x48 (1001000) | ||
| /// </summary> | ||
| Address_0x48 = 0b1001000, | ||
|
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| /// <summary> | ||
| /// I2C address: 0x49 (1001001) | ||
| /// </summary> | ||
| Address_0x49 = 0b1001001, | ||
|
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| /// <summary> | ||
| /// I2C address: 0x4A (1001010) | ||
| /// </summary> | ||
| Address_0x4A = 0b1001010, | ||
|
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| /// <summary> | ||
| /// I2C address: 0x4B (1001011) | ||
| /// </summary> | ||
| Address_0x4B = 0b1001011, | ||
|
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| /// <summary> | ||
| /// I2C address: 0x4C (1001100) | ||
| /// </summary> | ||
| Address_0x4C = 0b1001100, | ||
|
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| /// <summary> | ||
| /// I2C address: 0x4D (1001101) | ||
| /// </summary> | ||
| Address_0x4D = 0b1001101, | ||
|
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| /// <summary> | ||
| /// I2C address: 0x4E (1001110) | ||
| /// </summary> | ||
| Address_0x4E = 0b1001110, | ||
|
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| /// <summary> | ||
| /// I2C address: 0x4F (1001111) | ||
| /// </summary> | ||
| Address_0x4F = 0b1001111, | ||
|
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| /// <summary> | ||
| /// I2C address: 0x70 (1110000) | ||
| /// </summary> | ||
| Address_0x70 = 0b1110000, | ||
|
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| /// <summary> | ||
| /// I2C address: 0x71 (1110001) | ||
| /// </summary> | ||
| Address_0x71 = 0b1110001, | ||
|
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| /// <summary> | ||
| /// I2C address: 0x72 (1110010) | ||
| /// </summary> | ||
| Address_0x72 = 0b1110010, | ||
|
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| /// <summary> | ||
| /// I2C address: 0x73 (1110011) | ||
| /// </summary> | ||
| Address_0x73 = 0b1110011, | ||
|
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| /// <summary> | ||
| /// I2C address: 0x74 (1110100) | ||
| /// </summary> | ||
| Address_0x74 = 0b1110100, | ||
|
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| /// <summary> | ||
| /// I2C address: 0x75 (1110101) | ||
| /// </summary> | ||
| Address_0x75 = 0b1110101, | ||
|
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| /// <summary> | ||
| /// I2C address: 0x76 (1110110) | ||
| /// </summary> | ||
| Address_0x76 = 0b1110110, | ||
|
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| /// <summary> | ||
| /// I2C address: 0x77 (1110111) | ||
| /// </summary> | ||
| Address_0x77 = 0b1110111, | ||
|
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| /// <summary> | ||
| /// I2C address: 0x28 (0101000) | ||
| /// </summary> | ||
| Address_0x28 = 0b0101000, | ||
|
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| /// <summary> | ||
| /// I2C address: 0x29 (0101001) | ||
| /// </summary> | ||
| Address_0x29 = 0b0101001, | ||
|
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| /// <summary> | ||
| /// I2C address: 0x2A (0101010) | ||
| /// </summary> | ||
| Address_0x2A = 0b0101010, | ||
|
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| /// <summary> | ||
| /// I2C address: 0x2B (0101011) | ||
| /// </summary> | ||
| Address_0x2B = 0b0101011, | ||
|
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| /// <summary> | ||
| /// I2C address: 0x2C (0101100) | ||
| /// </summary> | ||
| Address_0x2C = 0b0101100, | ||
|
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| /// <summary> | ||
| /// I2C address: 0x2D (0101101) | ||
| /// </summary> | ||
| Address_0x2D = 0b0101101, | ||
|
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| /// <summary> | ||
| /// I2C address: 0x2E (0101110) | ||
| /// </summary> | ||
| Address_0x2E = 0b0101110, | ||
|
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| /// <summary> | ||
| /// I2C address: 0x2F (0101111) | ||
| /// </summary> | ||
| Address_0x2F = 0b0101111, | ||
|
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| /// <summary> | ||
| /// I2C address: 0x35 (0110101) | ||
| /// </summary> | ||
| Address_0x35 = 0b0110101, | ||
|
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| /// <summary> | ||
| /// I2C address: 0x36 (0110110) | ||
| /// </summary> | ||
| Address_0x36 = 0b0110110, | ||
|
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| /// <summary> | ||
| /// I2C address: 0x37 (0110111) | ||
| /// </summary> | ||
| Address_0x37 = 0b0110111, | ||
|
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| /// <summary> | ||
| /// Default I2C address: 0x37 (0110111) | ||
| /// </summary> | ||
| Default = Address_0x37 | ||
| } | ||
| } |
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Source/Meadow.Foundation.Peripherals/Sensors.Temperature.Pct2075/Driver/Pct2075.Registers.cs
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| namespace Meadow.Foundation.Sensors.Temperature; | ||
|
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| public partial class Pct2075 | ||
| { | ||
| internal enum Registers | ||
| { | ||
| Temp = 0x00, | ||
| Conf = 0x01, | ||
| Thyst = 0x02, | ||
| Tos = 0x03, | ||
| Tidle = 0x04 | ||
| } | ||
| } |
79 changes: 79 additions & 0 deletions
79
Source/Meadow.Foundation.Peripherals/Sensors.Temperature.Pct2075/Driver/Pct2075.cs
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| using Meadow.Hardware; | ||
| using Meadow.Peripherals.Sensors; | ||
| using Meadow.Units; | ||
| using System; | ||
| using System.Threading.Tasks; | ||
|
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| namespace Meadow.Foundation.Sensors.Temperature; | ||
|
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| /// <summary> | ||
| /// Represents a PCT2075 temperature sensor, implementing the ITemperatureSensor and II2cPeripheral interfaces. | ||
| /// </summary> | ||
| public partial class Pct2075 : PollingSensorBase<Units.Temperature>, | ||
| ITemperatureSensor, II2cPeripheral | ||
| { | ||
| private II2cCommunications _comms; | ||
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| /// <inheritdoc/> | ||
| public Units.Temperature? Temperature { get; private set; } | ||
| /// <inheritdoc/> | ||
| public byte DefaultI2cAddress => (byte)Addresses.Default; | ||
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| /// <summary> | ||
| /// Initializes a new instance of the Pct2075 class. | ||
| /// </summary> | ||
| /// <param name="bus">The I2C bus to which the sensor is connected.</param> | ||
| /// <param name="address">The I2C address of the sensor (optional, default is Addresses.Default).</param> | ||
| public Pct2075(II2cBus bus, Addresses address = Addresses.Default) | ||
| { | ||
| _comms = new I2cCommunications(bus, (byte)address); | ||
| } | ||
|
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| /// <inheritdoc/> | ||
| protected override Task<Units.Temperature> ReadSensor() | ||
| { | ||
| var tempRegister = _comms.ReadRegisterAsUShort((byte)Registers.Temp, ByteOrder.BigEndian); | ||
| Units.Temperature result; | ||
| if ((tempRegister & (1 << 15)) != 0) | ||
| { | ||
| // negative temp | ||
| var t = (tempRegister >> 5); // shift | ||
| t = (~t & 0b111111111) + 1; // invert, mask to 9-bits, add 1 (9-bit twos complement) | ||
| result = (-1 * t * 0.125).Celsius(); | ||
| } | ||
| else | ||
| { | ||
| result = ((tempRegister >> 5) * 0.125).Celsius(); | ||
| } | ||
| Temperature = result; | ||
| return Task.FromResult(result); | ||
| } | ||
|
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| /// <summary> | ||
| /// Sets the interrupt temperatures for the PCT2075 sensor. | ||
| /// </summary> | ||
| /// <param name="interruptOnTemperature">The temperature threshold that triggers the interrupt.</param> | ||
| /// <param name="interruptOffTemperature">The temperature threshold that deactivates the interrupt.</param> | ||
| /// <param name="interruptActiveHigh"> | ||
| /// Indicates whether the interrupt is active-high (true) or active-low (false). | ||
| /// Default is active-high. | ||
| /// </param> | ||
| public void SetInterruptTemperatures(Units.Temperature interruptOnTemperature, Units.Temperature interruptOffTemperature, bool interruptActiveHigh = true) | ||
| { | ||
| if (interruptOffTemperature > interruptOnTemperature) throw new ArgumentException("Off temperature must be below On temeprature"); | ||
|
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| // require 6 readings to exceed the interrupt temp to trigger | ||
| byte cfg = 0b00011000; | ||
| if (interruptActiveHigh) cfg |= 1 << 2; // interrupt polarity bit | ||
| _comms.WriteRegister((byte)Registers.Conf, cfg); | ||
|
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| // on temp | ||
| var tos = (ushort)(((short)interruptOnTemperature.Celsius / 2) << 7); | ||
| _comms.WriteRegister((byte)Registers.Tos, tos); | ||
|
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| // off temp | ||
| var thyst = (ushort)(((short)interruptOnTemperature.Celsius / 2) << 7); | ||
| _comms.WriteRegister((byte)Registers.Thyst, thyst); | ||
| } | ||
|
|
||
| } |
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28
...ndation.Peripherals/Sensors.Temperature.Pct2075/Driver/Sensors.Temperature.Pct2075.csproj
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| <Project Sdk="Meadow.Sdk/1.1.0"> | ||
| <PropertyGroup> | ||
| <Version>1.8.0</Version> | ||
| <GenerateDocumentationFile>true</GenerateDocumentationFile> | ||
| <PackageIcon>icon.png</PackageIcon> | ||
| <Authors>Wilderness Labs, Inc</Authors> | ||
| <TargetFramework>netstandard2.1</TargetFramework> | ||
| <OutputType>Library</OutputType> | ||
| <AssemblyName>Pct2075</AssemblyName> | ||
| <Company>Wilderness Labs, Inc</Company> | ||
| <PackageProjectUrl>http://developer.wildernesslabs.co/Meadow/Meadow.Foundation/</PackageProjectUrl> | ||
| <PackageId>Meadow.Foundation.Sensors.Temperature.Mcp960x</PackageId> | ||
| <RepositoryUrl>https://github.com/WildernessLabs/Meadow.Foundation</RepositoryUrl> | ||
| <PackageTags>Meadow.Foundation,Temperature,PCT2075</PackageTags> | ||
| <GeneratePackageOnBuild>true</GeneratePackageOnBuild> | ||
| <Description>Pct2075 I2C temperature sensor</Description> | ||
| <Nullable>enable</Nullable> | ||
| <RootNamespace>Meadow.Foundation.Sensors.Temperature</RootNamespace> | ||
| </PropertyGroup> | ||
| <PropertyGroup> | ||
| <PackageLicenseExpression>Apache-2.0</PackageLicenseExpression> | ||
| <LangVersion>10.0</LangVersion> | ||
| </PropertyGroup> | ||
| <ItemGroup> | ||
| <None Include="..\..\..\icon.png" Pack="true" PackagePath="" /> | ||
| <ProjectReference Include="..\..\..\Meadow.Foundation.Core\Meadow.Foundation.Core.csproj" /> | ||
| </ItemGroup> | ||
| </Project> |
38 changes: 38 additions & 0 deletions
38
...ow.Foundation.Peripherals/Sensors.Temperature.Pct2075/Samples/Pct2075_Sample/MeadowApp.cs
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| using Meadow; | ||
| using Meadow.Foundation.ICs.IOExpanders; | ||
| using Meadow.Foundation.Sensors.Temperature; | ||
| using System; | ||
| using System.Diagnostics; | ||
| using System.Threading.Tasks; | ||
|
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| namespace Sensors.Temperature.Pct2075_Sample; | ||
|
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| public class MeadowApp : App<Windows> | ||
| { | ||
| //<!=SNIP=> | ||
| private Ft232h _expander; | ||
| private Pct2075 _sensor; | ||
|
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| public override Task Initialize() | ||
| { | ||
| _expander = new Ft232h(false); | ||
| _sensor = new Pct2075(_expander.CreateI2cBus()); | ||
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| _sensor.Updated += OnUpdated; | ||
| _sensor.StartUpdating(TimeSpan.FromSeconds(1)); | ||
|
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| return base.Initialize(); | ||
| } | ||
|
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| private void OnUpdated(object sender, IChangeResult<Meadow.Units.Temperature> e) | ||
| { | ||
| Debug.WriteLine($"Temp: {e.New.Celsius:n1}C {e.New.Fahrenheit:n1}F"); | ||
| } | ||
|
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| //<!=SNOP=> | ||
|
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| public static async Task Main(string[] args) | ||
| { | ||
| await MeadowOS.Start(args); | ||
| } | ||
| } |
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...tion.Peripherals/Sensors.Temperature.Pct2075/Samples/Pct2075_Sample/Pct2075_Sample.csproj
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| <Project Sdk="Microsoft.NET.Sdk"> | ||
| <PropertyGroup> | ||
| <RepositoryUrl>https://github.com/WildernessLabs/Meadow.Foundation</RepositoryUrl> | ||
| <Company>Wilderness Labs, Inc</Company> | ||
| <Authors>Wilderness Labs, Inc</Authors> | ||
| <CopyLocalLockFileAssemblies>true</CopyLocalLockFileAssemblies> | ||
| <TargetFramework>net7</TargetFramework> | ||
| <OutputType>Exe</OutputType> | ||
| <AssemblyName>App</AssemblyName> | ||
| <LangVersion>10</LangVersion> | ||
| </PropertyGroup> | ||
| <ItemGroup> | ||
| <ProjectReference Include="..\..\..\..\..\..\Meadow.Contracts\Source\Meadow.Contracts\Meadow.Contracts.csproj" /> | ||
| <ProjectReference Include="..\..\..\..\..\..\Meadow.Core\source\implementations\windows\Meadow.Windows\Meadow.Windows.csproj" /> | ||
| <ProjectReference Include="..\..\..\..\..\..\Meadow.Core\source\Meadow.Core\Meadow.Core.csproj" /> | ||
| <ProjectReference Include="..\..\..\..\..\..\Meadow.Logging\Source\Meadow.Logging\lib\Meadow.Logging.csproj" /> | ||
| <ProjectReference Include="..\..\..\..\..\..\Meadow.Units\Source\Meadow.Units\Meadow.Units.csproj" /> | ||
| <ProjectReference Include="..\..\..\ICs.IOExpanders.Ft232h\Driver\ICs.IOExpanders.Ft232h.csproj" /> | ||
| <ProjectReference Include="..\..\Driver\Sensors.Temperature.Pct2075.csproj" /> | ||
| </ItemGroup> | ||
| <ItemGroup> | ||
| <None Update="meadow.config.yaml"> | ||
| <CopyToOutputDirectory>Always</CopyToOutputDirectory> | ||
| </None> | ||
| </ItemGroup> | ||
| </Project> |
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...ndation.Peripherals/Sensors.Temperature.Pct2075/Samples/Pct2075_Sample/meadow.config.yaml
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| @@ -0,0 +1,2 @@ | ||
| MonoControl: | ||
| Options: --jit |
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