From 22cecc2650b4f8460b4325b39e242f9047ae24e0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jan=20Ben=C3=AD=C4=8Dek?= <jan00@benicek.xyz>
Date: Wed, 22 Nov 2023 17:24:01 +0100
Subject: [PATCH] =?UTF-8?q?P=C5=99idejte=20soubory=20projektu.?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 Libs_SequentMicrosystems.csproj | 13 ++++++++
 Libs_SequentMicrosystems.sln    | 25 +++++++++++++++
 RTD_8chanels_board.cs           | 57 +++++++++++++++++++++++++++++++++
 3 files changed, 95 insertions(+)
 create mode 100644 Libs_SequentMicrosystems.csproj
 create mode 100644 Libs_SequentMicrosystems.sln
 create mode 100644 RTD_8chanels_board.cs

diff --git a/Libs_SequentMicrosystems.csproj b/Libs_SequentMicrosystems.csproj
new file mode 100644
index 0000000..e3c6ea1
--- /dev/null
+++ b/Libs_SequentMicrosystems.csproj
@@ -0,0 +1,13 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="System.Device.Gpio" Version="3.1.0" />
+  </ItemGroup>
+
+</Project>
diff --git a/Libs_SequentMicrosystems.sln b/Libs_SequentMicrosystems.sln
new file mode 100644
index 0000000..c73830d
--- /dev/null
+++ b/Libs_SequentMicrosystems.sln
@@ -0,0 +1,25 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.8.34309.116
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Libs_SequentMicrosystems", "Libs_SequentMicrosystems.csproj", "{C3DEDD92-2AF1-448F-B500-2009E9EE88F5}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{C3DEDD92-2AF1-448F-B500-2009E9EE88F5}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{C3DEDD92-2AF1-448F-B500-2009E9EE88F5}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{C3DEDD92-2AF1-448F-B500-2009E9EE88F5}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{C3DEDD92-2AF1-448F-B500-2009E9EE88F5}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {160033F0-C347-43EF-9B6A-D67DDFC7BF91}
+	EndGlobalSection
+EndGlobal
diff --git a/RTD_8chanels_board.cs b/RTD_8chanels_board.cs
new file mode 100644
index 0000000..8b0ffa6
--- /dev/null
+++ b/RTD_8chanels_board.cs
@@ -0,0 +1,57 @@
+using System;
+using System.Device.Gpio;
+using System.Device.I2c;
+
+
+namespace Libs_SequentMicrosystems
+{
+    public class RTDStackLevelReader
+    {
+        public readonly byte DEVICE_ADDRESS = 0x40;
+        public readonly byte RTD_RESISTANCE_ADD = 59;
+
+        /// <summary>
+        /// Read Single Resistance
+        /// </summary>
+        /// <param name="stack">Level on Stack 0-7</param>
+        /// <param name="channel">Chanel on stack layer 1-8</param>
+        /// <returns>Resistance of selected element</returns>
+        /// <exception cref="ArgumentException"></exception>
+        /// <exception cref="IOException"></exception>
+        public float Get(byte stack, byte channel)
+        {
+            if (stack < 0 || stack > 7)
+                throw new ArgumentException("Invalid stack level");
+
+            if (channel < 1 || channel > 8)
+                throw new ArgumentException("Invalid channel number");
+
+            float val = -273.15f;
+
+            try
+            {
+                using (I2cDevice i2c = I2cDevice.Create(new I2cConnectionSettings(1, DEVICE_ADDRESS + stack)))
+                {
+                    byte[] buffer = new byte[4];
+                    i2c.WriteByte((byte)(RTD_RESISTANCE_ADD + (4 * (channel - 1))));
+                    i2c.Read(buffer);
+                    val = BitConverter.ToSingle(buffer, 0);
+                }
+            }
+            catch (IOException e)
+            {
+                throw new IOException($"Fail to communicate with the RTD card with message: \"{e.Message}\"");
+            }
+
+            return val;
+        }
+
+
+        //public float[] GetStack(byte stack)
+        //{
+
+        //}
+
+
+    }
+}
\ No newline at end of file