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 +1,104 @@
+/****************************************************************************
+**
+** 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.
+**
+****************************************************************************/
+
+#include "usb_stack.h"
+#include "usb.h"
+#include "usb_helperfunctions.h"
+#include "usb_config.h"
+#include "usb_hid.h"
+
+//#include "em_device.h" /* removeme. Only needed for debugging */
+
+
+
+#ifdef USB_ENABLE_HID
+
+/* HID requests */
+#define HID_GET_REPORT		(0x01)	             /* mandatory */
+#define HID_GET_IDLE		(0x02)	             /* optional */
+#define HID_GET_PROTOCOL	(0x03)	             /* mandatory for BOOT devices */
+#define HID_SET_REPORT		(0x09)	             /* mandatory if USB device does not use EP1OUT */
+#define HID_SET_IDLE		(0x0a)	             /* optional */
+#define HID_SET_PROTOCOL	(0x0b)	             /* mandatory for BOOT devices */
+
+
+
+
+
+bool usbhid_got_setup_cmd(const setupData_t *psetupdata)
+{
+  uint8_t response[8];
+  bool    doStall;
+  
+  doStall = false;
+
+  switch(psetupdata->bRequest)
+  {
+    case HID_GET_REPORT:
+      doStall = !HID_GetReport(psetupdata->wValue >> 8);
+      break;
+    case HID_SET_REPORT:      
+      doStall = !HID_SetReport(psetupdata->wValue >> 8);
+      if (!doStall)
+      {
+        //usb_control_acknowledge(); //TODO: REMOVE UNCOMMENT!!!
+      }
+      break;    
+    case HID_GET_PROTOCOL:
+      doStall = !HID_GetProtocol(response);
+      if (!doStall)
+      {
+        usb_control_dataIn(response, 1);
+      }
+      break;      
+    case HID_SET_PROTOCOL:
+      doStall = !HID_SetProtocol(psetupdata->wValue >> 8); /* low byte of value is interface number */
+      if (!doStall)
+      {
+        usb_control_acknowledge();
+      }
+      break;
+    case HID_GET_IDLE:
+      doStall = !HID_GetIdle(response);
+      if (!doStall)
+      {
+        usb_control_dataIn(response, 1);      
+      }
+      break;
+    case HID_SET_IDLE:
+      doStall = !HID_SetIdle(psetupdata->wValue >> 8);  /* low byte of value is interface number */
+      if (!doStall)
+      {
+        usb_control_acknowledge(); 
+      }
+      break;
+  }
+  
+  if (doStall)
+  {
+    usb_ep_stall(USB_EP0OUT);
+    usb_ep_stall(USB_EP0IN);
+  }
+  return true;
+}
+
+
+#endif