adds a USB serial port to your design

Dependents:   Example_WatchDog_Timer

Revision:
65:1031882d3481
Parent:
47:a0cd9646ecd1
--- a/USBHID/USBKeyboard.h	Thu Aug 13 15:46:06 2015 +0100
+++ b/USBHID/USBKeyboard.h	Wed Dec 09 10:57:21 2015 +0000
@@ -22,11 +22,16 @@
 #include "USBHID.h"
 #include "Stream.h"
 
-/* Modifiers */
+/* Modifiers, left keys then right keys. */
 enum MODIFIER_KEY {
-    KEY_CTRL = 1,
-    KEY_SHIFT = 2,
-    KEY_ALT = 4,
+    KEY_CTRL = 0x01,
+    KEY_SHIFT = 0x02,
+    KEY_ALT = 0x04,
+    KEY_LOGO = 0x08,
+    KEY_RCTRL = 0x10,
+    KEY_RSHIFT = 0x20,
+    KEY_RALT = 0x40,
+    KEY_RLOGO = 0x80,
 };