Adding Orange PI PC driver

src/devices/Gpio/Drivers/OrangePiPCDriver.cs

@@ -0,0 +1,68 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+using Iot.Device.Gpio.Drivers;
+
+namespace System.Device.Gpio.Drivers
+{
+    /// <summary>
+    /// A GPIO driver for the Orange Pi PC.
+    /// </summary>
+    /// <remarks>
+    /// SoC: Allwinner H3
+    /// </remarks>
+    public class OragePiPCDriver : SunxiDriver
+    {
+        /// <inheritdoc/>
+        protected override int CpuxPortBaseAddress => 0x01C20800;
+
+        /// <inheritdoc/>
+        protected override int CpusPortBaseAddress => 0x01F02C00;
+
+        /// <summary>
+        /// Orange Pi PC has 28 GPIO pins.
+        /// </summary>
+        protected override int PinCount => 28;
+
+        /// <summary>
+        /// Converts a board pin number to the driver's logical numbering scheme.
+        /// </summary>
+        /// <param name="pinNumber">The board pin number to convert.</param>
+        /// <returns>The pin number in the driver's logical numbering scheme.</returns>
+        protected override int ConvertPinNumberToLogicalNumberingScheme(int pinNumber)
+        {
+            return pinNumber switch
+            {
+                3 => MapPinNumber('A', 12),
+                5 => MapPinNumber('A', 11),
+                7 => MapPinNumber('A', 6),
+                8 => MapPinNumber('A', 13),
+                10 => MapPinNumber('A', 14),
+                11 => MapPinNumber('A', 1),
+                12 => MapPinNumber('C', 14),
+                13 => MapPinNumber('A', 0),
+                15 => MapPinNumber('A', 3),
+                16 => MapPinNumber('C', 4),
+                18 => MapPinNumber('C', 7),
+                19 => MapPinNumber('C', 0),
+                21 => MapPinNumber('C', 1),
+                22 => MapPinNumber('A', 2),
+                23 => MapPinNumber('C', 2),
+                24 => MapPinNumber('C', 3),
+                26 => MapPinNumber('A', 21),
+                27 => MapPinNumber('A', 19),
+                28 => MapPinNumber('A', 18),
+                29 => MapPinNumber('A', 7),
+                31 => MapPinNumber('A', 8),
+                32 => MapPinNumber('E', 8),
+                33 => MapPinNumber('A', 9),
+                35 => MapPinNumber('A', 10),
+                36 => MapPinNumber('E', 9),
+                37 => MapPinNumber('A', 20),
+                38 => MapPinNumber('E', 6),
+                39 => MapPinNumber('E', 7),
+                _ => throw new ArgumentException($"Board (header) pin {pinNumber} is not a GPIO pin on the {GetType().Name} device.", nameof(pinNumber))
+            };
+        }
+    }
+}

src/devices/Gpio/README.md

@@ -17,6 +17,7 @@ This project contains some **full function(PULL-UP, PULL-DOWN)** generic GPIO dr
 | Orange Pi Zero | [OrangePiZeroDriver](./Drivers/OrangePiZeroDriver.cs) |
 | Orange Pi Zero 2 | [OrangePiZero2Driver](./Drivers/OrangePiZero2Driver.cs) |
 | Rock Pi 4B Plus | [RockPi4bPlusDriver](./Drivers/RockPi4bPlusDriver.cs) |
+| Orange Pi PC | [OrangePiPCDriver](./Drivers/OrangePiPCDriver.cs) |
 
 ## Benchmarks