Fix exception when disposing Ft232h device with SPI manager initializ…

…ed (#2270)
dotnet · Jan 28, 2024 · c70264f · c70264f
1 parent 3fb06eb
commit c70264f
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Showing 3 changed files with 3 additions and 3 deletions.
diff --git a/src/devices/Board/Board.cs b/src/devices/Board/Board.cs
@@ -248,7 +248,7 @@ protected virtual void Dispose(bool disposing)
                     bus.Value.Dispose();
                 }
 
-                foreach (var bus in _managers)
+                foreach (var bus in _managers.ToList())
                 {
                     bus.Dispose();
                 }

diff --git a/src/devices/Ft232H/Ftx232HDevice.cs b/src/devices/Ft232H/Ftx232HDevice.cs
@@ -1062,7 +1062,7 @@ private uint GetAvailableBytes()
         /// </summary>
         protected override void Dispose(bool disposing)
         {
-            if (disposing)
+            if (disposing && _ftHandle != null)
             {
                 _ftHandle.Dispose();
                 _ftHandle = null!;

diff --git a/src/devices/Ft232H/samples/Program.cs b/src/devices/Ft232H/samples/Program.cs
@@ -176,7 +176,7 @@ void TestI2c(Ftx232HDevice ft232h)
 
 void TestI2cTsl2561(Ftx232HDevice ft232H)
 {
-    var ftI2cBus = ft232h.CreateOrGetI2cBus(ft232h.GetDefaultI2cBusNumber());
+    var ftI2cBus = ft232H.CreateOrGetI2cBus(ft232H.GetDefaultI2cBusNumber());
     var i2cDevice = ftI2cBus.CreateDevice(Tsl256x.DefaultI2cAddress);
     Tsl256x tsl256X = new(i2cDevice, PackageType.Other);