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

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

1 files changed, 228 insertions, 0 deletions

diff --git a/LUFA/Drivers/USB/Core/UC3/USBInterrupt_UC3.c b/LUFA/Drivers/USB/Core/UC3/USBInterrupt_UC3.c
new file mode 100644
index 0000000000..3b3958a145
--- /dev/null
+++ b/LUFA/Drivers/USB/Core/UC3/USBInterrupt_UC3.c
@@ -0,0 +1,228 @@
+/*
+             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_UC3)
+
+#define  __INCLUDE_FROM_USB_DRIVER
+#include "../USBInterrupt.h"
+
+void USB_INT_DisableAllInterrupts(void)
+{
+	AVR32_USBB.USBCON.vbuste     = false;
+	AVR32_USBB.USBCON.idte       = false;
+
+	AVR32_USBB.uhinteclr         = -1;
+	AVR32_USBB.udinteclr         = -1;
+}
+
+void USB_INT_ClearAllInterrupts(void)
+{
+	AVR32_USBB.USBSTACLR.vbustic = true;
+	AVR32_USBB.USBSTACLR.idtic   = true;
+
+	AVR32_USBB.uhintclr          = -1;
+	AVR32_USBB.udintclr          = -1;
+}
+
+ISR(USB_GEN_vect)
+{
+	#if defined(USB_CAN_BE_DEVICE)
+	#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_VBUSTI) && USB_INT_IsEnabled(USB_INT_VBUSTI))
+	{
+		USB_INT_Clear(USB_INT_VBUSTI);
+
+		if (USB_VBUS_GetStatus())
+		{
+			USB_DeviceState = DEVICE_STATE_Powered;
+			EVENT_USB_Device_Connect();
+		}
+		else
+		{
+			USB_DeviceState = DEVICE_STATE_Unattached;
+			EVENT_USB_Device_Disconnect();
+		}
+	}
+
+	if (USB_INT_HasOccurred(USB_INT_SUSPI) && USB_INT_IsEnabled(USB_INT_SUSPI))
+	{
+		USB_INT_Disable(USB_INT_SUSPI);
+		USB_INT_Enable(USB_INT_WAKEUPI);
+
+		USB_CLK_Freeze();
+
+		USB_DeviceState = DEVICE_STATE_Suspended;
+		EVENT_USB_Device_Suspend();
+	}
+
+	if (USB_INT_HasOccurred(USB_INT_WAKEUPI) && USB_INT_IsEnabled(USB_INT_WAKEUPI))
+	{
+		USB_CLK_Unfreeze();
+
+		USB_INT_Clear(USB_INT_WAKEUPI);
+
+		USB_INT_Disable(USB_INT_WAKEUPI);
+		USB_INT_Enable(USB_INT_SUSPI);
+
+		if (USB_Device_ConfigurationNumber)
+		  USB_DeviceState = DEVICE_STATE_Configured;
+		else
+		  USB_DeviceState = (USB_Device_IsAddressSet()) ? DEVICE_STATE_Addressed : DEVICE_STATE_Powered;
+
+		EVENT_USB_Device_WakeUp();
+	}
+
+	if (USB_INT_HasOccurred(USB_INT_EORSTI) && USB_INT_IsEnabled(USB_INT_EORSTI))
+	{
+		USB_INT_Clear(USB_INT_EORSTI);
+
+		USB_DeviceState                = DEVICE_STATE_Default;
+		USB_Device_ConfigurationNumber = 0;
+
+		USB_INT_Clear(USB_INT_SUSPI);
+		USB_INT_Disable(USB_INT_SUSPI);
+		USB_INT_Enable(USB_INT_WAKEUPI);
+
+		USB_Device_SetDeviceAddress(0);
+		Endpoint_ConfigureEndpoint(ENDPOINT_CONTROLEP, EP_TYPE_CONTROL,
+		                           USB_Device_ControlEndpointSize, 1);
+
+		#if defined(INTERRUPT_CONTROL_ENDPOINT)
+		USB_INT_Enable(USB_INT_RXSTPI);
+		#endif
+
+		EVENT_USB_Device_Reset();
+	}
+	#endif
+
+	#if defined(USB_CAN_BE_HOST)
+	#if !defined(NO_SOF_EVENTS)
+	if (USB_INT_HasOccurred(USB_INT_HSOFI) && USB_INT_IsEnabled(USB_INT_HSOFI))
+	{
+		USB_INT_Clear(USB_INT_HSOFI);
+
+		EVENT_USB_Host_StartOfFrame();
+	}
+	#endif
+
+	if (USB_INT_HasOccurred(USB_INT_DDISCI) && USB_INT_IsEnabled(USB_INT_DDISCI))
+	{
+		USB_INT_Clear(USB_INT_DDISCI);
+		USB_INT_Clear(USB_INT_DCONNI);
+		USB_INT_Disable(USB_INT_DDISCI);
+
+		EVENT_USB_Host_DeviceUnattached();
+
+		USB_ResetInterface();
+	}
+
+	if (USB_INT_HasOccurred(USB_INT_VBERRI) && USB_INT_IsEnabled(USB_INT_VBERRI))
+	{
+		USB_INT_Clear(USB_INT_VBERRI);
+
+		USB_Host_VBUS_Manual_Off();
+		USB_Host_VBUS_Auto_Off();
+
+		EVENT_USB_Host_HostError(HOST_ERROR_VBusVoltageDip);
+		EVENT_USB_Host_DeviceUnattached();
+
+		USB_HostState = HOST_STATE_Unattached;
+	}
+
+	if (USB_INT_HasOccurred(USB_INT_DCONNI) && USB_INT_IsEnabled(USB_INT_DCONNI))
+	{
+		USB_INT_Clear(USB_INT_DCONNI);
+		USB_INT_Disable(USB_INT_DCONNI);
+
+		EVENT_USB_Host_DeviceAttached();
+
+		USB_INT_Enable(USB_INT_DDISCI);
+
+		USB_HostState = HOST_STATE_Powered;
+	}
+
+	if (USB_INT_HasOccurred(USB_INT_BCERRI) && USB_INT_IsEnabled(USB_INT_BCERRI))
+	{
+		USB_INT_Clear(USB_INT_BCERRI);
+
+		EVENT_USB_Host_DeviceEnumerationFailed(HOST_ENUMERROR_NoDeviceDetected, 0);
+		EVENT_USB_Host_DeviceUnattached();
+
+		USB_ResetInterface();
+	}
+	#endif
+
+	#if defined(USB_CAN_BE_BOTH)
+	if (USB_INT_HasOccurred(USB_INT_IDTI) && USB_INT_IsEnabled(USB_INT_IDTI))
+	{
+		USB_INT_Clear(USB_INT_IDTI);
+
+		if (USB_DeviceState != DEVICE_STATE_Unattached)
+		  EVENT_USB_Device_Disconnect();
+
+		if (USB_HostState != HOST_STATE_Unattached)
+		  EVENT_USB_Host_DeviceUnattached();
+
+		USB_CurrentMode = USB_GetUSBModeFromUID();
+		USB_ResetInterface();
+
+		EVENT_USB_UIDChange();
+	}
+	#endif
+}
+
+#if defined(INTERRUPT_CONTROL_ENDPOINT) && defined(USB_CAN_BE_DEVICE)
+ISR(USB_COM_vect)
+{
+	uint8_t PrevSelectedEndpoint = Endpoint_GetCurrentEndpoint();
+
+	Endpoint_SelectEndpoint(ENDPOINT_CONTROLEP);
+	USB_INT_Disable(USB_INT_RXSTPI);
+
+	GlobalInterruptEnable();
+
+	USB_Device_ProcessControlRequest();
+
+	Endpoint_SelectEndpoint(ENDPOINT_CONTROLEP);
+	USB_INT_Enable(USB_INT_RXSTPI);
+	Endpoint_SelectEndpoint(PrevSelectedEndpoint);
+}
+#endif
+
+#endif