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:
47:a0cd9646ecd1
--- a/USBMSD/USBMSD.h	Tue Sep 11 15:17:01 2018 +0300
+++ b/USBMSD/USBMSD.h	Thu Oct 04 15:43:40 2018 +0300
@@ -55,7 +55,7 @@
  * If disk_status() returns 1 (disk not initialized), then disk_initialize() is called. After this step, connect() will collect information
  * such as the number of blocks and the memory size.
  */
-class USBMSD: public USBDevice {
+class USBMSD: virtual public USBDevice {
 public:
 
     /**