1 files changed, 98 insertions, 0 deletions
diff --git a/LUFA/Drivers/USB/Class/Device/Audio.c b/LUFA/Drivers/USB/Class/Device/Audio.c
new file mode 100644
index 0000000..cc847e5
--- /dev/null
+++ b/LUFA/Drivers/USB/Class/Device/Audio.c
@@ -0,0 +1,98 @@
+/*
+             LUFA Library
+     Copyright (C) Dean Camera, 2010.
+
+  dean [at] fourwalledcubicle [dot] com
+           www.lufa-lib.org
+*/
+
+/*
+  Copyright 2010  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+  Permission to use, copy, modify, distribute, and sell this
+  software and its documentation for any purpose is hereby granted
+  without fee, provided that the above copyright notice appear in
+  all copies and that both that the copyright notice and this
+  permission notice and warranty disclaimer appear in supporting
+  documentation, and that the name of the author not be used in
+  advertising or publicity pertaining to distribution of the
+  software without specific, written prior permission.
+
+  The author disclaim all warranties with regard to this
+  software, including all implied warranties of merchantability
+  and fitness.  In no event shall the author be liable for any
+  special, indirect or consequential damages or any damages
+  whatsoever resulting from loss of use, data or profits, whether
+  in an action of contract, negligence or other tortious action,
+  arising out of or in connection with the use or performance of
+  this software.
+*/
+
+#define  __INCLUDE_FROM_USB_DRIVER
+#include "../../HighLevel/USBMode.h"
+#if defined(USB_CAN_BE_DEVICE)
+
+#define  __INCLUDE_FROM_AUDIO_DRIVER
+#define  __INCLUDE_FROM_AUDIO_DEVICE_C
+#include "Audio.h"
+
+void Audio_Device_ProcessControlRequest(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)
+{
+	if (!(Endpoint_IsSETUPReceived()))
+	  return;
+
+	if (USB_ControlRequest.wIndex != AudioInterfaceInfo->Config.StreamingInterfaceNumber)
+	  return;
+
+	switch (USB_ControlRequest.bRequest)
+	{
+		case REQ_SetInterface:
+			if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_INTERFACE))
+			{
+				Endpoint_ClearSETUP();
+				Endpoint_ClearStatusStage();
+
+				AudioInterfaceInfo->State.InterfaceEnabled = ((USB_ControlRequest.wValue & 0xFF) != 0);
+			}
+
+			break;
+	}
+}
+
+bool Audio_Device_ConfigureEndpoints(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)
+{
+	memset(&AudioInterfaceInfo->State, 0x00, sizeof(AudioInterfaceInfo->State));
+
+	for (uint8_t EndpointNum = 1; EndpointNum < ENDPOINT_TOTAL_ENDPOINTS; EndpointNum++)
+	{
+		uint16_t Size;
+		uint8_t  Type;
+		uint8_t  Direction;
+
+		if (EndpointNum == AudioInterfaceInfo->Config.DataINEndpointNumber)
+		{
+			Size         = AudioInterfaceInfo->Config.DataINEndpointSize;
+			Direction    = ENDPOINT_DIR_IN;
+			Type         = EP_TYPE_ISOCHRONOUS;
+		}
+		else if (EndpointNum == AudioInterfaceInfo->Config.DataOUTEndpointNumber)
+		{
+			Size         = AudioInterfaceInfo->Config.DataOUTEndpointSize;
+			Direction    = ENDPOINT_DIR_OUT;
+			Type         = EP_TYPE_ISOCHRONOUS;
+		}
+		else
+		{
+			continue;
+		}
+
+		if (!(Endpoint_ConfigureEndpoint(EndpointNum, Type, Direction, Size, ENDPOINT_BANK_DOUBLE)))
+		{
+			return false;
+		}
+	}
+
+	return true;
+}
+
+#endif