Feature/ft23xx

Source/Meadow.Foundation.Libraries_and_Frameworks/Graphics.MicroLayout/Driver/Controls/Circle.cs

@@ -0,0 +1,93 @@
+namespace Meadow.Foundation.Graphics.MicroLayout;
+
+public struct Coordinate2D
+{
+    public int X { get; set; }
+    public int Y { get; set; }
+}
+
+/// <summary>
+/// Represents a circle in the user interface.
+/// </summary>
+public class Circle : ThemedControl
+{
+    private Color _foreColor;
+
+    /// <summary>
+    /// Gets or sets a value indicating whether the Circle is filled with the foreground color.
+    /// </summary>
+    public bool IsFilled { get; set; } = true;
+
+    /// <summary>
+    /// Initializes a new instance of the <see cref="Circle"/> class with the specified dimensions.
+    /// </summary>
+    /// <param name="centerX">The X coordinate of the circles's center.</param>
+    /// <param name="centerY">The Y coordinate of the circles's center.</param>
+    /// <param name="radius">The radius of the circle.</param>
+    public Circle(int centerX, int centerY, int radius)
+        : base(centerX - radius, centerY - radius, radius * 2, radius * 2)
+    {
+    }
+
+    /// <summary>
+    /// Initializes a new instance of the <see cref="Circle"/> class with the specified dimensions.
+    /// </summary>
+    /// <param name="center">The coordinate of the circles's center.</param>
+    /// <param name="radius">The radius of the circle.</param>
+    public Circle(Coordinate2D center, int radius)
+        : base(center.X - radius, center.Y - radius, radius * 2, radius * 2)
+    {
+    }
+
+    /// <summary>
+    /// Applies the specified display theme to the Circle.
+    /// </summary>
+    /// <param name="theme">The display theme to apply.</param>
+    public override void ApplyTheme(DisplayTheme theme)
+    {
+        if (theme != null)
+        {
+            if (theme.ForegroundColor != null) this.ForeColor = theme.ForegroundColor.Value;
+        }
+    }
+
+    /// <summary>
+    /// Gets or sets the foreground color of the Circle.
+    /// </summary>
+    public Color ForeColor
+    {
+        get => _foreColor;
+        set => SetInvalidatingProperty(ref _foreColor, value);
+    }
+
+    /// <summary>
+    /// Gets or sets the foreground color of the Circle.
+    /// </summary>
+    public int Radius
+    {
+        get => Width / 2;
+        set
+        {
+            // keep centered
+            var coeff = (value > Radius) ? -1 : 1;
+            var offset = value - Radius;
+
+            Width = value * 2;
+        }
+    }
+
+    /// <summary>
+    /// Draws the Circle on the specified <see cref="MicroGraphics"/> surface.
+    /// </summary>
+    /// <param name="graphics">The <see cref="MicroGraphics"/> surface to draw the Circle on.</param>
+    protected override void OnDraw(MicroGraphics graphics)
+    {
+        if (ForeColor != Color.Transparent)
+        {
+            var radius = (Right - Left) / 2;
+            var centerX = Left + radius;
+            var centerY = Top + radius;
+            graphics.DrawCircle(centerX, centerY, radius, ForeColor, IsFilled);
+        }
+    }
+}

Source/Meadow.Foundation.Peripherals/ICs.ADCs.Mcp3xxx/Driver/Drivers/Mcp3001.cs

@@ -51,7 +51,7 @@ public override bool IsInputTypeSupported(InputType inputType)
         /// </summary>
         public IAnalogInputPort CreateAnalogInputPort(int sampleCount = 64)
         {
-            return CreateAnalogInputPort(sampleCount, TimeSpan.FromSeconds(1), new Voltage(0));
+            return CreateAnalogInputPort(sampleCount, TimeSpan.FromSeconds(1), DefaultReferenceVoltage);
         }
 
         /// <summary>

Source/Meadow.Foundation.Peripherals/ICs.ADCs.Mcp3xxx/Driver/Drivers/Mcp3201.cs

@@ -51,7 +51,7 @@ public override bool IsInputTypeSupported(InputType inputType)
         /// </summary>
         public IAnalogInputPort CreateAnalogInputPort(int sampleCount = 64)
         {
-            return CreateAnalogInputPort(sampleCount, TimeSpan.FromSeconds(1), new Voltage(0));
+            return CreateAnalogInputPort(sampleCount, TimeSpan.FromSeconds(1), DefaultReferenceVoltage);
         }
 
         /// <summary>
@@ -80,9 +80,7 @@ protected override int ReadInternal(int channel, InputType inputType, int adcRes
             var data = (buffer[0] & 0x1f) << 8 | buffer[1];
             // then shift back right 1 bit
             var result = data >> 1;
-            Console.WriteLine($"raw: {result}");
             return result;
-
         }
     }
 }

Source/Meadow.Foundation.Peripherals/ICs.ADCs.Mcp3xxx/Driver/Mcp3xxx.cs

@@ -18,7 +18,7 @@ public abstract partial class Mcp3xxx : IAnalogInputController, ISpiPeripheral,
         /// <summary>
         /// Did we create the port(s) used by the peripheral
         /// </summary>
-        readonly bool createdPort = false;
+        private readonly bool createdPort = false;
 
         /// <summary>
         /// Gets the underlying ISpiCommunications instance
@@ -35,6 +35,11 @@ public abstract partial class Mcp3xxx : IAnalogInputController, ISpiPeripheral,
         /// </summary>
         public Frequency DefaultSpiBusSpeed => new(10000, Frequency.UnitType.Kilohertz);
 
+        /// <summary>
+        /// The default reference voltage for the device
+        /// </summary>
+        public Voltage DefaultReferenceVoltage => 3.3.Volts();
+
         /// <summary>
         /// The SPI bus speed for the device
         /// </summary>
@@ -69,7 +74,7 @@ public SpiClockConfiguration.Mode SpiBusMode
         /// </summary>
         internal int AdcMaxValue { get; set; }
 
-        IDigitalOutputPort chipSelectPort;
+        private IDigitalOutputPort chipSelectPort;
 
         /// <summary>
         /// Mcp3xxx base class constructor
@@ -113,7 +118,7 @@ protected Mcp3xxx(ISpiBus spiBus,
         /// <returns>An instance of <see cref="IAnalogInputPort"/> that represents the analog input on the specified pin</returns>
         protected IAnalogInputPort CreateAnalogInputPort(IPin pin, int sampleCount = 64)
         {
-            return CreateAnalogInputPort(pin, sampleCount, TimeSpan.FromSeconds(1), new Voltage(0));
+            return CreateAnalogInputPort(pin, sampleCount, TimeSpan.FromSeconds(1), DefaultReferenceVoltage);
         }
 
         /// <summary>

Source/Meadow.Foundation.Peripherals/ICs.IOExpanders.Ft232h/Driver/Ft2232Expander.cs

@@ -0,0 +1,29 @@
+using Meadow.Hardware;
+using System;
+
+namespace Meadow.Foundation.ICs.IOExpanders;
+
+public class Ft2232Expander : FtdiExpander
+{
+    internal Ft2232Expander()
+    {
+    }
+
+    /// <inheritdoc/>
+    public override II2cBus CreateI2cBus(int channel = 0, I2cBusSpeed busSpeed = I2cBusSpeed.Standard)
+    {
+        // TODO: depends on part
+        // TODO: make sure no SPI is in use
+        var bus = new Ft23xxxI2cBus(this, busSpeed);
+        bus.Configure();
+        return bus;
+    }
+
+    /// <inheritdoc/>
+    public override ISpiBus CreateSpiBus(int channel, SpiClockConfiguration configuration)
+    {
+        // TODO: make sure no SPI is in use
+
+        throw new NotSupportedException();
+    }
+}