USBDevice library fork to add multi-function (e.g. Keyboard(HID) + Virtual COM Port(CDC)) usb support.

Fork of USBDevice by Maxim Integrated

Revision:
70:7e8e3be9f0e3
Parent:
69:dad310740b28
--- a/USBSerial/USBCDC.h	Tue Sep 11 15:17:01 2018 +0300
+++ b/USBSerial/USBCDC.h	Thu Oct 04 15:43:40 2018 +0300
@@ -26,7 +26,7 @@
 
 #include "USBDevice.h"
 
-class USBCDC: public USBDevice {
+class USBCDC: virtual public USBDevice {
 public:
 
     /*