prepare avr for stm32 (#104)

hid/lib/drivers-avr/factory.cpp

@@ -21,10 +21,15 @@
 
 
 #include "usb/hid.h"
+#ifdef HID_WITH_PS2
 #include "ps2/hid.h"
+#endif
 #include "factory.h"
 #include "eeprom.h"
 
+#ifndef ARDUINO_ARCH_AVR
+	#error "Only AVR is supported"
+#endif
 
 namespace DRIVERS {
 	Keyboard *Factory::makeKeyboard(type _type) {

hid/lib/drivers/storage.h

@@ -23,6 +23,7 @@
 #pragma once
 
 #include "driver.h"
+#include "stdlib.h"
 
 
 namespace DRIVERS {

hid/src/main.cpp

@@ -135,7 +135,9 @@ static void _initOutputs() {
 			break;
 	}
 
+#ifdef ARDUINO_ARCH_AVR
 	USBDevice.attach();
+#endif
 
 	_kbd->begin();
 	_mouse->begin();