diff -r 1b423d877938 -r 7d34342ac6e9 MiniDisplay/HidDevice.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MiniDisplay/HidDevice.cpp	Tue May 27 19:50:28 2014 +0200
@@ -0,0 +1,122 @@
+//
+//
+//
+
+#include "HidDevice.h"
+
+
+
+//
+// class HidDevice
+//
+
+HidDevice::HidDevice():iHidDevice(NULL)
+    {
+    Close();
+    }
+
+/**
+*/
+int HidDevice::Open(const char* aPath)
+	{
+	Close();
+
+	iHidDevice =  hid_open_path(aPath);
+
+	if (!iHidDevice)
+		{
+		//Fail to connect our device
+		return 0;
+		}
+
+    FetchStrings();
+
+	return 1;
+	}
+
+/**
+See hidapi documentation.
+*/
+int HidDevice::Open(unsigned short aVendorId, unsigned short aProductId, const wchar_t* aSerialNumber)
+	{
+    Close();
+
+	iHidDevice = hid_open(aVendorId, aProductId, aSerialNumber);
+
+	if (!iHidDevice)
+		{
+		//Fail to connect our device
+		return 0;
+		}
+
+    FetchStrings();
+
+	return 1;
+	}
+
+/**
+*/
+void HidDevice::Close()
+	{
+	hid_close(iHidDevice);
+	iHidDevice=NULL;
+    //
+    memset(iVendor,0,sizeof(iVendor));
+    memset(iProduct,0,sizeof(iProduct));
+    memset(iSerialNumber,0,sizeof(iSerialNumber));
+	}
+
+/**
+*/
+bool HidDevice::IsOpen()
+    {
+    return iHidDevice!=NULL;
+    }
+
+
+/**
+*/
+const wchar_t* HidDevice::Error()
+	{
+	return hid_error(iHidDevice);
+	}
+
+/**
+*/
+int HidDevice::SetNonBlocking(int aNonBlocking)
+	{
+	//Success we are now connected to our HID device
+	//Set read operation as non blocking
+	return hid_set_nonblocking(iHidDevice, aNonBlocking);
+	}
+
+/**
+*/
+wchar_t* HidDevice::Vendor()
+    {
+    return iVendor;
+    }
+
+/**
+*/
+wchar_t* HidDevice::Product()
+    {
+    return iProduct;
+    }
+
+/**
+*/
+wchar_t* HidDevice::SerialNumber()
+    {
+    return iSerialNumber;
+    }
+
+/**
+
+*/
+void HidDevice::FetchStrings()
+    {
+    hid_get_manufacturer_string(iHidDevice,iVendor,sizeof(iVendor));
+    hid_get_product_string(iHidDevice,iProduct,sizeof(iProduct));
+    hid_get_serial_number_string(iHidDevice,iSerialNumber,sizeof(iSerialNumber));
+    }