Squashed 'lib/lufa/' content from commit 385d40300

git-subtree-dir: lib/lufa
git-subtree-split: 385d4030035dbaf41591309dbde47653bd03841b

1 files changed, 106 insertions, 0 deletions

diff --git a/LUFA/Drivers/USB/Core/XMEGA/USBInterrupt_XMEGA.c b/LUFA/Drivers/USB/Core/XMEGA/USBInterrupt_XMEGA.c
new file mode 100644
index 000000000..a82dde030
--- /dev/null
+++ b/LUFA/Drivers/USB/Core/XMEGA/USBInterrupt_XMEGA.c
@@ -0,0 +1,106 @@
+/*
+             LUFA Library
+     Copyright (C) Dean Camera, 2017.
+
+  dean [at] fourwalledcubicle [dot] com
+           www.lufa-lib.org
+*/
+
+/*
+  Copyright 2017  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 disclaims 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.
+*/
+
+#include "../../../../Common/Common.h"
+#if (ARCH == ARCH_XMEGA)
+
+#define  __INCLUDE_FROM_USB_DRIVER
+#include "../USBInterrupt.h"
+
+void USB_INT_DisableAllInterrupts(void)
+{
+	USB.INTCTRLA    &= USB_INTLVL_gm;
+	USB.INTCTRLB     = 0;
+}
+
+void USB_INT_ClearAllInterrupts(void)
+{
+	USB.INTFLAGSACLR = 0xFF;
+	USB.INTFLAGSBCLR = 0xFF;
+}
+
+ISR(USB_BUSEVENT_vect)
+{
+	#if !defined(NO_SOF_EVENTS)
+	if (USB_INT_HasOccurred(USB_INT_SOFI) && USB_INT_IsEnabled(USB_INT_SOFI))
+	{
+		USB_INT_Clear(USB_INT_SOFI);
+
+		EVENT_USB_Device_StartOfFrame();
+	}
+	#endif
+
+	if (USB_INT_HasOccurred(USB_INT_BUSEVENTI_Suspend))
+	{
+		USB_INT_Clear(USB_INT_BUSEVENTI_Suspend);
+
+		#if !defined(NO_LIMITED_CONTROLLER_CONNECT)
+		USB_DeviceState = DEVICE_STATE_Unattached;
+		EVENT_USB_Device_Disconnect();
+		#else
+		USB_DeviceState = DEVICE_STATE_Suspended;
+		EVENT_USB_Device_Suspend();
+		#endif
+	}
+
+	if (USB_INT_HasOccurred(USB_INT_BUSEVENTI_Resume))
+	{
+		USB_INT_Clear(USB_INT_BUSEVENTI_Resume);
+
+		if (USB_Device_ConfigurationNumber)
+		  USB_DeviceState = DEVICE_STATE_Configured;
+		else
+		  USB_DeviceState = (USB_Device_IsAddressSet()) ? DEVICE_STATE_Addressed : DEVICE_STATE_Powered;
+
+		#if !defined(NO_LIMITED_CONTROLLER_CONNECT)
+		EVENT_USB_Device_Connect();
+		#else
+		EVENT_USB_Device_WakeUp();
+		#endif
+	}
+
+	if (USB_INT_HasOccurred(USB_INT_BUSEVENTI_Reset))
+	{
+		USB_INT_Clear(USB_INT_BUSEVENTI_Reset);
+
+		USB_DeviceState                = DEVICE_STATE_Default;
+		USB_Device_ConfigurationNumber = 0;
+
+		USB_Device_EnableDeviceAddress(0);
+
+		Endpoint_ClearEndpoints();
+		Endpoint_ConfigureEndpoint(ENDPOINT_CONTROLEP, EP_TYPE_CONTROL,
+		                           USB_Device_ControlEndpointSize, 1);
+
+		EVENT_USB_Device_Reset();
+	}
+}
+
+#endif