From f07e766755b2489c76f0f353b7fe2d4a11300e61 Mon Sep 17 00:00:00 2001
From: Dean Camera <dean@fourwalledcubicle.com>
Date: Fri, 15 Jul 2011 08:10:51 +0000
Subject: Complete USB XMEGA interrupt control subsystem code in the core USB
 driver.

Automatically load in the USB calibration bytes from the User Signature Row on start-up.

Create internal SRAM variable for the endpoint control and status register table, used by the XMEGA USB controller hardware.
---
 LUFA/Drivers/USB/Core/XMEGA/USBInterrupt_XMEGA.c | 61 ++++++++++++++++++++++--
 1 file changed, 58 insertions(+), 3 deletions(-)

(limited to 'LUFA/Drivers/USB/Core/XMEGA/USBInterrupt_XMEGA.c')

diff --git a/LUFA/Drivers/USB/Core/XMEGA/USBInterrupt_XMEGA.c b/LUFA/Drivers/USB/Core/XMEGA/USBInterrupt_XMEGA.c
index cb8062256..b52a716d6 100644
--- a/LUFA/Drivers/USB/Core/XMEGA/USBInterrupt_XMEGA.c
+++ b/LUFA/Drivers/USB/Core/XMEGA/USBInterrupt_XMEGA.c
@@ -33,13 +33,68 @@
 
 void USB_INT_DisableAllInterrupts(void)
 {
-	// TODO
+	USB.INTCTRLA     = 0;
+	USB.INTCTRLB     = 0;
 }
 
 void USB_INT_ClearAllInterrupts(void)
 {
-	// TODO
+	USB.INTFLAGSACLR = 0xFF;
+	USB.INTFLAGSBCLR = 0xFF;
 }
 
-// TODO: USB ISR
+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_Configured : 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;
+
+		Endpoint_ConfigureEndpoint(ENDPOINT_CONTROLEP, EP_TYPE_CONTROL,
+		                           ENDPOINT_DIR_OUT, USB_Device_ControlEndpointSize,
+		                           ENDPOINT_BANK_SINGLE);
+
+		EVENT_USB_Device_Reset();
+	}
+}
 
-- 
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