添加一些关于midi播放的项目

2025-03-24 14:30:56 +08:00
parent e31eb22077
commit 498b4ef13b
699 changed files with 186162 additions and 1 deletions
@@ -0,0 +1,58 @@
+/****************************************************************************
+**
+** 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_STACK_H__
+#define __USB_STACK_H__
+
+#include <stdint.h>
+#include <stdbool.h>
+#include "usb.h"
+
+
+/* These defines can be used to mask out the bmRequestType bits */
+#define   USB_SETUP_BM_DIRECTION        (0x80)
+#define   USB_SETUP_BM_TYPE             (0x60)
+#define   USB_SETUP_BM_RECIPIENT        (0x1f)
+
+#define   USB_SETUP_DIR_DEV_TO_HOST     (0x80)
+
+#define   USB_SETUP_TYPE_STANDARD       (0 << 5)
+#define   USB_SETUP_TYPE_CLASS          (1 << 5)
+#define   USB_SETUP_TYPE_VENDOR         (2 << 5)
+
+#define   USB_SETUP_DEVICE              (0x00)
+#define   USB_SETUP_INTERFACE           (0x01)
+#define   USB_SETUP_ENDPOINT            (0x02)
+#define   USB_SETUP_OTHER               (0x03)
+
+void usbstack_init(void);
+
+
+/* call this function when setup data was received 
+   TODO: allow user to call this also, when no setup data was received.
+         I think the best way is to let the user only call functions from this file and not from usb.h */
+bool usbstack_got_setup_cmd(const setupData_t *psetupdata);
+
+
+
+
+#endif
+