From 3040660d64f946baa9a9bbecfce7d1699a73100f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Benjamin=20H=C3=B6glinger-Stelzer?= <nefarius@dhmx.at>
Date: Mon, 3 Oct 2022 17:38:55 +0200
Subject: [PATCH] Added extension method

---
 Nefarius.Peripherals.SerialPort/Util.cs | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 Nefarius.Peripherals.SerialPort/Util.cs

diff --git a/Nefarius.Peripherals.SerialPort/Util.cs b/Nefarius.Peripherals.SerialPort/Util.cs
new file mode 100644
index 0000000..c0f22b0
--- /dev/null
+++ b/Nefarius.Peripherals.SerialPort/Util.cs
@@ -0,0 +1,23 @@
+using Windows.Win32.Devices.Communication;
+
+namespace Nefarius.Peripherals.SerialPort;
+
+internal static class DCBExtensions
+{
+    public static void Init(this DCB dcb, bool parity, bool outCts, bool outDsr, int dtr, bool inDsr, bool txc,
+        bool xOut,
+        bool xIn, int rts)
+    {
+        dcb.DCBlength = 28;
+        dcb._bitfield = 0x8001;
+        if (parity) dcb._bitfield |= 0x0002;
+        if (outCts) dcb._bitfield |= 0x0004;
+        if (outDsr) dcb._bitfield |= 0x0008;
+        dcb._bitfield |= (uint)((dtr & 0x0003) << 4);
+        if (inDsr) dcb._bitfield |= 0x0040;
+        if (txc) dcb._bitfield |= 0x0080;
+        if (xOut) dcb._bitfield |= 0x0100;
+        if (xIn) dcb._bitfield |= 0x0200;
+        dcb._bitfield |= (uint)((rts & 0x0003) << 12);
+    }
+}
\ No newline at end of file