添加一些关于midi播放的项目

Midi/music-box-nv32-master/nv32lib/drivers/LemcUSB/usb_config.h

@@ -0,0 +1,40 @@
+/***************************************************************************//*
+**
+** Lemcusb - Firmware USB driver for EFM32 Microcontroller
+** Copyright (C) 2014 http://lemcu.org
+**
+** This library is free software: you can redistribute it and/or modify
+** it under the terms of the GNU General Public License version 3.0 as
+** published by the Free Software Foundation and appearing in the file
+** LICENSE.txt included in the packaging of this file.
+** 
+** In addition, as a special exception, http://lemcu.org gives you certain
+** additional rights. These rights are described in the lemcu.org GPL 
+** Exception version 1.0, included in the file GPL_EXCEPTION.txt in this
+** package.
+**
+** This library is distributed in the hope that it will be useful,
+** but WITHOUT ANY WARRANTY; without even the implied warranty of
+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+**
+****************************************************************************/
+
+#ifndef __USB_CONFIG_H__
+#define __USB_CONFIG_H__
+
+/* Set to 1 to enable 2 additional endpoints.
+   If set to 0, only control transfers will be supported, because only EP0OUT and EP0IN are present
+*/
+#define USB_ENABLE_EP1OUT_EP1IN    (1)
+
+#define USB_ENABLE_HID
+
+/*
+ Enable this define, if the USB low level protocol handling should be done in RAM.
+ This is e.g. mandatory if Flash programming is used, otherwise USB will not be
+ responsive anymore when flash is erased or programmed, because Flash accesses will
+ be stalled.
+ */
+#define USB_PROTOCOL_HANDLING_IN_RAM
+
+#endif