Verify webusb settings

Author: harbaum

ftduino/libraries/WebUSB/WebUSB.cpp

@@ -25,6 +25,10 @@
 
 #include "WebUSB.h"
 
+#if USB_VERSION != 0x210
+#error "Error! Please select 'Tools / USB Version / WebUSB'"
+#endif
+
 #ifdef ARDUINO_ARCH_SAMD
 
 #define USB_SendControl				USBDevice.sendControl

ftduino/libraries/WebUSB/examples/Console/Console.ino

@@ -10,7 +10,7 @@
  */
 
 #if USB_VERSION != 0x210
-#error "Bitte board 'ftDuino (WebUSB)' auswählen"
+#error "Bitte 'Werkzeuge / USB Version / WebUSB' auswählen"
 #endif
 
 WebUSB WebUSBSerial(1 /* https:// */, "harbaum.github.io/ftduino/webusb/console");