1 files changed, 37 insertions, 0 deletions
diff --git a/pos/drivers/barcodescanner/File.cpp b/pos/drivers/barcodescanner/File.cpp
new file mode 100644
index 00000000..43f100ee
--- /dev/null
+++ b/pos/drivers/barcodescanner/File.cpp
@@ -0,0 +1,37 @@
+#include <pch.h>
+
+/*
+** Driver TODO:
+**
+** WDF calls this callback when a file handle is opened to the driver.  Your implementation may require additional setup (such as creating a
+** file-handle-based context structure).  PosCxOpen must be called during this callback.
+*/
+VOID EvtDeviceFileCreate(_In_ WDFDEVICE Device, _In_ WDFREQUEST Request, _In_ WDFFILEOBJECT FileObject)
+{
+    NTSTATUS status = PosCxOpen(Device, FileObject, SCANNER_INTERFACE_TAG);
+
+    if (!NT_SUCCESS(status))
+    {
+        // This should only fail in rare cases, but the failure will prevent all PosCx functions from performing correctly
+    }
+
+    WdfRequestComplete(Request, status);
+}
+
+/*
+** Driver TODO:
+**
+** WDF calls this callback when a file handle to the driver is closed.  Your implementation may require additional cleanup, but 
+** PosCxClose must be called during this callback.
+*/
+VOID EvtFileClose(_In_ WDFFILEOBJECT FileObject)
+{
+    WDFDEVICE device = WdfFileObjectGetDevice(FileObject);
+    
+    NTSTATUS status = PosCxClose(device, FileObject);
+
+    if (!NT_SUCCESS(status))
+    {
+        // This will only fail if PosCxInit wasn't called successfully in EvtDriverDeviceAdd, or if PosCxOpen failed in EvtDeviceFileCreate
+    }
+}
+\ No newline at end of file