Merged upstream arduino branch

13 files changed, 3056 insertions, 0 deletions

diff --git a/firmwares/atmegaxxu2/arduino-usbserial/Arduino-usbserial-atmega16u2-Mega2560-Rev3.hex b/firmwares/atmegaxxu2/arduino-usbserial/Arduino-usbserial-atmega16u2-Mega2560-Rev3.hex
new file mode 100644
index 0000000..efbbf15
--- /dev/null
+++ b/firmwares/atmegaxxu2/arduino-usbserial/Arduino-usbserial-atmega16u2-Mega2560-Rev3.hex
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diff --git a/firmwares/atmegaxxu2/arduino-usbserial/Arduino-usbserial-atmega16u2-MegaADK-Rev3.hex b/firmwares/atmegaxxu2/arduino-usbserial/Arduino-usbserial-atmega16u2-MegaADK-Rev3.hex
new file mode 100644
index 0000000..3af6a24
--- /dev/null
+++ b/firmwares/atmegaxxu2/arduino-usbserial/Arduino-usbserial-atmega16u2-MegaADK-Rev3.hex
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diff --git a/firmwares/atmegaxxu2/arduino-usbserial/Arduino-usbserial-atmega16u2-Uno-Rev3.hex b/firmwares/atmegaxxu2/arduino-usbserial/Arduino-usbserial-atmega16u2-Uno-Rev3.hex
new file mode 100644
index 0000000..d1404ee
--- /dev/null
+++ b/firmwares/atmegaxxu2/arduino-usbserial/Arduino-usbserial-atmega16u2-Uno-Rev3.hex
@@ -0,0 +1,254 @@
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diff --git a/firmwares/atmegaxxu2/arduino-usbserial/Arduino-usbserial-mega.hex b/firmwares/atmegaxxu2/arduino-usbserial/Arduino-usbserial-mega.hex
new file mode 100644
index 0000000..fbbeb07
--- /dev/null
+++ b/firmwares/atmegaxxu2/arduino-usbserial/Arduino-usbserial-mega.hex
@@ -0,0 +1,256 @@
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new file mode 100644
index 0000000..ca51dfa
--- /dev/null
+++ b/firmwares/atmegaxxu2/arduino-usbserial/Arduino-usbserial-uno.hex
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diff --git a/firmwares/atmegaxxu2/arduino-usbserial/Arduino-usbserial.c b/firmwares/atmegaxxu2/arduino-usbserial/Arduino-usbserial.c
new file mode 100755
index 0000000..4de73c8
--- /dev/null
+++ b/firmwares/atmegaxxu2/arduino-usbserial/Arduino-usbserial.c
@@ -0,0 +1,242 @@
+/*

+             LUFA Library

+     Copyright (C) Dean Camera, 2010.

+              

+  dean [at] fourwalledcubicle [dot] com

+      www.fourwalledcubicle.com

+*/

+

+/*

+  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.

+*/

+

+/** \file

+ *

+ *  Main source file for the Arduino-usbserial project. This file contains the main tasks of

+ *  the project and is responsible for the initial application hardware configuration.

+ */

+

+#include "Arduino-usbserial.h"

+

+/** Circular buffer to hold data from the host before it is sent to the device via the serial port. */

+RingBuff_t USBtoUSART_Buffer;

+

+/** Circular buffer to hold data from the serial port before it is sent to the host. */

+RingBuff_t USARTtoUSB_Buffer;

+

+/** Pulse generation counters to keep track of the number of milliseconds remaining for each pulse type */

+volatile struct

+{

+	uint8_t TxLEDPulse; /**< Milliseconds remaining for data Tx LED pulse */

+	uint8_t RxLEDPulse; /**< Milliseconds remaining for data Rx LED pulse */

+	uint8_t PingPongLEDPulse; /**< Milliseconds remaining for enumeration Tx/Rx ping-pong LED pulse */

+} PulseMSRemaining;

+

+/** LUFA CDC Class driver interface configuration and state information. This structure is

+ *  passed to all CDC Class driver functions, so that multiple instances of the same class

+ *  within a device can be differentiated from one another.

+ */

+USB_ClassInfo_CDC_Device_t VirtualSerial_CDC_Interface =

+	{

+		.Config = 

+			{

+				.ControlInterfaceNumber         = 0,

+

+				.DataINEndpointNumber           = CDC_TX_EPNUM,

+				.DataINEndpointSize             = CDC_TXRX_EPSIZE,

+				.DataINEndpointDoubleBank       = false,

+

+				.DataOUTEndpointNumber          = CDC_RX_EPNUM,

+				.DataOUTEndpointSize            = CDC_TXRX_EPSIZE,

+				.DataOUTEndpointDoubleBank      = false,

+

+				.NotificationEndpointNumber     = CDC_NOTIFICATION_EPNUM,

+				.NotificationEndpointSize       = CDC_NOTIFICATION_EPSIZE,

+				.NotificationEndpointDoubleBank = false,

+			},

+	};

+

+/** Main program entry point. This routine contains the overall program flow, including initial

+ *  setup of all components and the main program loop.

+ */

+int main(void)

+{

+	SetupHardware();

+	

+	RingBuffer_InitBuffer(&USBtoUSART_Buffer);

+	RingBuffer_InitBuffer(&USARTtoUSB_Buffer);

+

+	sei();

+

+	for (;;)

+	{

+		/* Only try to read in bytes from the CDC interface if the transmit buffer is not full */

+		if (!(RingBuffer_IsFull(&USBtoUSART_Buffer)))

+		{

+			int16_t ReceivedByte = CDC_Device_ReceiveByte(&VirtualSerial_CDC_Interface);

+

+			/* Read bytes from the USB OUT endpoint into the USART transmit buffer */

+			if (!(ReceivedByte < 0))

+			  RingBuffer_Insert(&USBtoUSART_Buffer, ReceivedByte);

+		}

+		

+		/* Check if the UART receive buffer flush timer has expired or the buffer is nearly full */

+		RingBuff_Count_t BufferCount = RingBuffer_GetCount(&USARTtoUSB_Buffer);

+		if ((TIFR0 & (1 << TOV0)) || (BufferCount > BUFFER_NEARLY_FULL))

+		{

+			TIFR0 |= (1 << TOV0);

+

+			if (USARTtoUSB_Buffer.Count) {

+				LEDs_TurnOnLEDs(LEDMASK_TX);

+				PulseMSRemaining.TxLEDPulse = TX_RX_LED_PULSE_MS;

+			}

+

+			/* Read bytes from the USART receive buffer into the USB IN endpoint */

+			while (BufferCount--)

+			  CDC_Device_SendByte(&VirtualSerial_CDC_Interface, RingBuffer_Remove(&USARTtoUSB_Buffer));

+			  

+			/* Turn off TX LED(s) once the TX pulse period has elapsed */

+			if (PulseMSRemaining.TxLEDPulse && !(--PulseMSRemaining.TxLEDPulse))

+			  LEDs_TurnOffLEDs(LEDMASK_TX);

+

+			/* Turn off RX LED(s) once the RX pulse period has elapsed */

+			if (PulseMSRemaining.RxLEDPulse && !(--PulseMSRemaining.RxLEDPulse))

+			  LEDs_TurnOffLEDs(LEDMASK_RX);

+		}

+		

+		/* Load the next byte from the USART transmit buffer into the USART */

+		if (!(RingBuffer_IsEmpty(&USBtoUSART_Buffer))) {

+		  Serial_TxByte(RingBuffer_Remove(&USBtoUSART_Buffer));

+		  	

+		  	LEDs_TurnOnLEDs(LEDMASK_RX);

+			PulseMSRemaining.RxLEDPulse = TX_RX_LED_PULSE_MS;

+		}

+		

+		CDC_Device_USBTask(&VirtualSerial_CDC_Interface);

+		USB_USBTask();

+	}

+}

+

+/** Configures the board hardware and chip peripherals for the demo's functionality. */

+void SetupHardware(void)

+{

+	/* Disable watchdog if enabled by bootloader/fuses */

+	MCUSR &= ~(1 << WDRF);

+	wdt_disable();

+

+	/* Hardware Initialization */

+	Serial_Init(9600, false);

+	LEDs_Init();

+	USB_Init();

+

+	/* Start the flush timer so that overflows occur rapidly to push received bytes to the USB interface */

+	TCCR0B = (1 << CS02);

+	

+	/* Pull target /RESET line high */

+	AVR_RESET_LINE_PORT |= AVR_RESET_LINE_MASK;

+	AVR_RESET_LINE_DDR  |= AVR_RESET_LINE_MASK;

+}

+

+/** Event handler for the library USB Configuration Changed event. */

+void EVENT_USB_Device_ConfigurationChanged(void)

+{

+	CDC_Device_ConfigureEndpoints(&VirtualSerial_CDC_Interface);

+}

+

+/** Event handler for the library USB Unhandled Control Request event. */

+void EVENT_USB_Device_UnhandledControlRequest(void)

+{

+	CDC_Device_ProcessControlRequest(&VirtualSerial_CDC_Interface);

+}

+

+/** Event handler for the CDC Class driver Line Encoding Changed event.

+ *

+ *  \param[in] CDCInterfaceInfo  Pointer to the CDC class interface configuration structure being referenced

+ */

+void EVENT_CDC_Device_LineEncodingChanged(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo)

+{

+	uint8_t ConfigMask = 0;

+

+	switch (CDCInterfaceInfo->State.LineEncoding.ParityType)

+	{

+		case CDC_PARITY_Odd:

+			ConfigMask = ((1 << UPM11) | (1 << UPM10));		

+			break;

+		case CDC_PARITY_Even:

+			ConfigMask = (1 << UPM11);		

+			break;

+	}

+

+	if (CDCInterfaceInfo->State.LineEncoding.CharFormat == CDC_LINEENCODING_TwoStopBits)

+	  ConfigMask |= (1 << USBS1);

+

+	switch (CDCInterfaceInfo->State.LineEncoding.DataBits)

+	{

+		case 6:

+			ConfigMask |= (1 << UCSZ10);

+			break;

+		case 7:

+			ConfigMask |= (1 << UCSZ11);

+			break;

+		case 8:

+			ConfigMask |= ((1 << UCSZ11) | (1 << UCSZ10));

+			break;

+	}

+

+	/* Must turn off USART before reconfiguring it, otherwise incorrect operation may occur */

+	UCSR1B = 0;

+	UCSR1A = 0;

+	UCSR1C = 0;

+

+	/* Special case 57600 baud for compatibility with the ATmega328 bootloader. */	

+	UBRR1  = (CDCInterfaceInfo->State.LineEncoding.BaudRateBPS == 57600)

+			 ? SERIAL_UBBRVAL(CDCInterfaceInfo->State.LineEncoding.BaudRateBPS)

+			 : SERIAL_2X_UBBRVAL(CDCInterfaceInfo->State.LineEncoding.BaudRateBPS);	

+

+	UCSR1C = ConfigMask;

+	UCSR1A = (CDCInterfaceInfo->State.LineEncoding.BaudRateBPS == 57600) ? 0 : (1 << U2X1);

+	UCSR1B = ((1 << RXCIE1) | (1 << TXEN1) | (1 << RXEN1));

+}

+

+/** ISR to manage the reception of data from the serial port, placing received bytes into a circular buffer

+ *  for later transmission to the host.

+ */

+ISR(USART1_RX_vect, ISR_BLOCK)

+{

+	uint8_t ReceivedByte = UDR1;

+

+	if (USB_DeviceState == DEVICE_STATE_Configured)

+	  RingBuffer_Insert(&USARTtoUSB_Buffer, ReceivedByte);

+}

+

+/** Event handler for the CDC Class driver Host-to-Device Line Encoding Changed event.

+ *

+ *  \param[in] CDCInterfaceInfo  Pointer to the CDC class interface configuration structure being referenced

+ */

+void EVENT_CDC_Device_ControLineStateChanged(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo)

+{

+	bool CurrentDTRState = (CDCInterfaceInfo->State.ControlLineStates.HostToDevice & CDC_CONTROL_LINE_OUT_DTR);

+

+	if (CurrentDTRState)

+	  AVR_RESET_LINE_PORT &= ~AVR_RESET_LINE_MASK;

+	else

+	  AVR_RESET_LINE_PORT |= AVR_RESET_LINE_MASK;

+}

diff --git a/firmwares/atmegaxxu2/arduino-usbserial/Arduino-usbserial.h b/firmwares/atmegaxxu2/arduino-usbserial/Arduino-usbserial.h
new file mode 100755
index 0000000..99fde39
--- /dev/null
+++ b/firmwares/atmegaxxu2/arduino-usbserial/Arduino-usbserial.h
@@ -0,0 +1,79 @@
+/*

+             LUFA Library

+     Copyright (C) Dean Camera, 2010.

+              

+  dean [at] fourwalledcubicle [dot] com

+      www.fourwalledcubicle.com

+*/

+

+/*

+  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.

+*/

+

+/** \file

+ *

+ *  Header file for Arduino-usbserial.c.

+ */

+

+#ifndef _ARDUINO_USBSERIAL_H_

+#define _ARDUINO_USBSERIAL_H_

+

+	/* Includes: */

+		#include <avr/io.h>

+		#include <avr/wdt.h>

+		#include <avr/interrupt.h>

+		#include <avr/power.h>

+

+		#include "Descriptors.h"

+

+		#include "Lib/LightweightRingBuff.h"

+

+		#include <LUFA/Version.h>

+		#include <LUFA/Drivers/Board/LEDs.h>

+		#include <LUFA/Drivers/Peripheral/Serial.h>

+		#include <LUFA/Drivers/USB/USB.h>

+		#include <LUFA/Drivers/USB/Class/CDC.h>

+		

+	/* Macros: */

+		/** LED mask for the library LED driver, to indicate TX activity. */

+		#define LEDMASK_TX               LEDS_LED1

+

+		/** LED mask for the library LED driver, to indicate RX activity. */

+		#define LEDMASK_RX               LEDS_LED2

+		

+		/** LED mask for the library LED driver, to indicate that an error has occurred in the USB interface. */

+		#define LEDMASK_ERROR            (LEDS_LED1 | LEDS_LED2)

+		

+		/** LED mask for the library LED driver, to indicate that the USB interface is busy. */

+		#define LEDMASK_BUSY             (LEDS_LED1 | LEDS_LED2)		

+		

+	/* Function Prototypes: */

+		void SetupHardware(void);

+

+		void EVENT_USB_Device_Connect(void);

+		void EVENT_USB_Device_Disconnect(void);

+		void EVENT_USB_Device_ConfigurationChanged(void);

+		void EVENT_USB_Device_UnhandledControlRequest(void);

+		

+		void EVENT_CDC_Device_LineEncodingChanged(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo);

+		void EVENT_CDC_Device_ControLineStateChanged(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo);		

+

+#endif /* _ARDUINO_USBSERIAL_H_ */

diff --git a/firmwares/atmegaxxu2/arduino-usbserial/Board/LEDs.h b/firmwares/atmegaxxu2/arduino-usbserial/Board/LEDs.h
new file mode 100755
index 0000000..152e8f5
--- /dev/null
+++ b/firmwares/atmegaxxu2/arduino-usbserial/Board/LEDs.h
@@ -0,0 +1,110 @@
+/*

+             LUFA Library

+     Copyright (C) Dean Camera, 2010.

+              

+  dean [at] fourwalledcubicle [dot] com

+      www.fourwalledcubicle.com

+*/

+

+/*

+  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.

+*/

+

+/*

+   Board LEDs driver for the Benito board, from www.dorkbotpdx.org.

+*/

+

+#ifndef __LEDS_ARDUINOUNO_H__

+#define __LEDS_ARDUINOUNO_H__

+

+	/* Includes: */

+		#include <avr/io.h>

+

+/* Enable C linkage for C++ Compilers: */

+		#if defined(__cplusplus)

+			extern "C" {

+		#endif

+

+	/* Preprocessor Checks: */

+		#if !defined(INCLUDE_FROM_LEDS_H)

+			#error Do not include this file directly. Include LUFA/Drivers/Board/LEDS.h instead.

+		#endif

+

+	/* Public Interface - May be used in end-application: */

+		/* Macros: */

+			/** LED mask for the first LED on the board. */

+			#define LEDS_LED1        (1 << 5)

+

+			/** LED mask for the second LED on the board. */

+			#define LEDS_LED2        (1 << 4)

+

+			/** LED mask for all the LEDs on the board. */

+			#define LEDS_ALL_LEDS    (LEDS_LED1 | LEDS_LED2)

+

+			/** LED mask for the none of the board LEDs */

+			#define LEDS_NO_LEDS     0

+

+		/* Inline Functions: */

+		#if !defined(__DOXYGEN__)

+			static inline void LEDs_Init(void)

+			{

+				DDRD  |= LEDS_ALL_LEDS;

+				PORTD |= LEDS_ALL_LEDS;

+			}

+			

+			static inline void LEDs_TurnOnLEDs(const uint8_t LEDMask)

+			{

+				PORTD &= ~LEDMask;

+			}

+

+			static inline void LEDs_TurnOffLEDs(const uint8_t LEDMask)

+			{

+				PORTD |= LEDMask;

+			}

+

+			static inline void LEDs_SetAllLEDs(const uint8_t LEDMask)

+			{

+				PORTD = ((PORTD | LEDS_ALL_LEDS) & ~LEDMask);

+			}

+			

+			static inline void LEDs_ChangeLEDs(const uint8_t LEDMask, const uint8_t ActiveMask)

+			{

+				PORTD = ((PORTD | ActiveMask) & ~LEDMask);

+			}

+

+			static inline void LEDs_ToggleLEDs(const uint8_t LEDMask)

+			{

+				PORTD ^= LEDMask;

+			}

+			

+			static inline uint8_t LEDs_GetLEDs(void) ATTR_WARN_UNUSED_RESULT;

+			static inline uint8_t LEDs_GetLEDs(void)

+			{

+				return (PORTD & LEDS_ALL_LEDS);

+			}

+		#endif

+

+	/* Disable C linkage for C++ Compilers: */

+		#if defined(__cplusplus)

+			}

+		#endif

+		

+#endif

diff --git a/firmwares/atmegaxxu2/arduino-usbserial/Descriptors.c b/firmwares/atmegaxxu2/arduino-usbserial/Descriptors.c
new file mode 100755
index 0000000..705dddf
--- /dev/null
+++ b/firmwares/atmegaxxu2/arduino-usbserial/Descriptors.c
@@ -0,0 +1,277 @@
+/*

+             LUFA Library

+     Copyright (C) Dean Camera, 2010.

+              

+  dean [at] fourwalledcubicle [dot] com

+      www.fourwalledcubicle.com

+*/

+

+/*

+  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.

+*/

+

+/** \file

+ *

+ *  USB Device Descriptors, for library use when in USB device mode. Descriptors are special 

+ *  computer-readable structures which the host requests upon device enumeration, to determine

+ *  the device's capabilities and functions.  

+ */

+

+#include "Descriptors.h"

+

+/* On some devices, there is a factory set internal serial number which can be automatically sent to the host as

+ * the device's serial number when the Device Descriptor's .SerialNumStrIndex entry is set to USE_INTERNAL_SERIAL.

+ * This allows the host to track a device across insertions on different ports, allowing them to retain allocated

+ * resources like COM port numbers and drivers. On demos using this feature, give a warning on unsupported devices

+ * so that the user can supply their own serial number descriptor instead or remove the USE_INTERNAL_SERIAL value

+ * from the Device Descriptor (forcing the host to generate a serial number for each device from the VID, PID and

+ * port location).

+ */

+#if (USE_INTERNAL_SERIAL == NO_DESCRIPTOR)

+	#warning USE_INTERNAL_SERIAL is not available on this AVR - please manually construct a device serial descriptor.

+#endif

+

+/** Device descriptor structure. This descriptor, located in FLASH memory, describes the overall

+ *  device characteristics, including the supported USB version, control endpoint size and the

+ *  number of device configurations. The descriptor is read out by the USB host when the enumeration

+ *  process begins.

+ */

+USB_Descriptor_Device_t PROGMEM DeviceDescriptor =

+{

+	.Header                 = {.Size = sizeof(USB_Descriptor_Device_t), .Type = DTYPE_Device},

+		

+	.USBSpecification       = VERSION_BCD(01.10),

+	.Class                  = 0x02,

+	.SubClass               = 0x00,

+	.Protocol               = 0x00,

+				

+	.Endpoint0Size          = FIXED_CONTROL_ENDPOINT_SIZE,

+		

+	.VendorID               = 0x03EB, // Atmel

+

+	.ProductID          	= 0x204B, // LUFA USB to Serial Demo Application

+	.ReleaseNumber          = 0x0001,

+		

+	.ManufacturerStrIndex   = 0x01,

+	.ProductStrIndex        = 0x02,

+	.SerialNumStrIndex      = USE_INTERNAL_SERIAL,

+		

+	.NumberOfConfigurations = FIXED_NUM_CONFIGURATIONS

+};

+

+/** Configuration descriptor structure. This descriptor, located in FLASH memory, describes the usage

+ *  of the device in one of its supported configurations, including information about any device interfaces

+ *  and endpoints. The descriptor is read out by the USB host during the enumeration process when selecting

+ *  a configuration so that the host may correctly communicate with the USB device.

+ */

+USB_Descriptor_Configuration_t PROGMEM ConfigurationDescriptor =

+{

+	.Config = 

+		{

+			.Header                 = {.Size = sizeof(USB_Descriptor_Configuration_Header_t), .Type = DTYPE_Configuration},

+

+			.TotalConfigurationSize = sizeof(USB_Descriptor_Configuration_t),

+			.TotalInterfaces        = 2,

+				

+			.ConfigurationNumber    = 1,

+			.ConfigurationStrIndex  = NO_DESCRIPTOR,

+				

+			.ConfigAttributes       = (USB_CONFIG_ATTR_BUSPOWERED | USB_CONFIG_ATTR_SELFPOWERED),

+			

+			.MaxPowerConsumption    = USB_CONFIG_POWER_MA(100)

+		},

+		

+	.CDC_CCI_Interface = 

+		{

+			.Header                 = {.Size = sizeof(USB_Descriptor_Interface_t), .Type = DTYPE_Interface},

+

+			.InterfaceNumber        = 0,

+			.AlternateSetting       = 0,

+			

+			.TotalEndpoints         = 1,

+				

+			.Class                  = 0x02,

+			.SubClass               = 0x02,

+			.Protocol               = 0x01,

+				

+			.InterfaceStrIndex      = NO_DESCRIPTOR

+		},

+

+	.CDC_Functional_IntHeader = 

+		{

+			.Header                 = {.Size = sizeof(CDC_FUNCTIONAL_DESCRIPTOR(2)), .Type = 0x24},

+			.SubType                = 0x00,

+			

+			.Data                   = {0x01, 0x10}

+		},

+

+	.CDC_Functional_AbstractControlManagement = 

+		{

+			.Header                 = {.Size = sizeof(CDC_FUNCTIONAL_DESCRIPTOR(1)), .Type = 0x24},

+			.SubType                = 0x02,

+			

+			.Data                   = {0x06}

+		},

+		

+	.CDC_Functional_Union = 

+		{

+			.Header                 = {.Size = sizeof(CDC_FUNCTIONAL_DESCRIPTOR(2)), .Type = 0x24},

+			.SubType                = 0x06,

+			

+			.Data                   = {0x00, 0x01}

+		},

+

+	.CDC_NotificationEndpoint = 

+		{

+			.Header                 = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint},

+			

+			.EndpointAddress        = (ENDPOINT_DESCRIPTOR_DIR_IN | CDC_NOTIFICATION_EPNUM),

+			.Attributes             = (EP_TYPE_INTERRUPT | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),

+			.EndpointSize           = CDC_NOTIFICATION_EPSIZE,

+			.PollingIntervalMS      = 0xFF

+		},

+

+	.CDC_DCI_Interface = 

+		{

+			.Header                 = {.Size = sizeof(USB_Descriptor_Interface_t), .Type = DTYPE_Interface},

+

+			.InterfaceNumber        = 1,

+			.AlternateSetting       = 0,

+			

+			.TotalEndpoints         = 2,

+				

+			.Class                  = 0x0A,

+			.SubClass               = 0x00,

+			.Protocol               = 0x00,

+				

+			.InterfaceStrIndex      = NO_DESCRIPTOR

+		},

+

+	.CDC_DataOutEndpoint = 

+		{

+			.Header                 = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint},

+			

+			.EndpointAddress        = (ENDPOINT_DESCRIPTOR_DIR_OUT | CDC_RX_EPNUM),

+			.Attributes             = (EP_TYPE_BULK | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),

+			.EndpointSize           = CDC_TXRX_EPSIZE,

+			.PollingIntervalMS      = 0x01

+		},

+		

+	.CDC_DataInEndpoint = 

+		{

+			.Header                 = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint},

+			

+			.EndpointAddress        = (ENDPOINT_DESCRIPTOR_DIR_IN | CDC_TX_EPNUM),

+			.Attributes             = (EP_TYPE_BULK | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),

+			.EndpointSize           = CDC_TXRX_EPSIZE,

+			.PollingIntervalMS      = 0x01

+		}

+};

+

+/** Language descriptor structure. This descriptor, located in FLASH memory, is returned when the host requests

+ *  the string descriptor with index 0 (the first index). It is actually an array of 16-bit integers, which indicate

+ *  via the language ID table available at USB.org what languages the device supports for its string descriptors.

+ */

+USB_Descriptor_String_t PROGMEM LanguageString =

+{

+	.Header                 = {.Size = USB_STRING_LEN(1), .Type = DTYPE_String},

+		

+	.UnicodeString          = {LANGUAGE_ID_ENG}

+};

+

+/** Manufacturer descriptor string. This is a Unicode string containing the manufacturer's details in human readable

+ *  form, and is read out upon request by the host when the appropriate string ID is requested, listed in the Device

+ *  Descriptor.

+ */

+USB_Descriptor_String_t PROGMEM ManufacturerString =

+{

+	.Header                 = {.Size = USB_STRING_LEN(24), .Type = DTYPE_String},

+		

+	.UnicodeString          = L"Arduino (www.arduino.cc)"

+};

+

+/** Product descriptor string. This is a Unicode string containing the product's details in human readable form,

+ *  and is read out upon request by the host when the appropriate string ID is requested, listed in the Device

+ *  Descriptor.

+ */

+USB_Descriptor_String_t PROGMEM ProductString =

+{

+	#if (ARDUINO_MODEL_PID == ARDUINO_UNO_PID)

+		.Header                 = {.Size = USB_STRING_LEN(11), .Type = DTYPE_String},

+			

+		.UnicodeString          = L"Arduino Uno"

+	#elif (ARDUINO_MODEL_PID == ARDUINO_MEGA2560_PID)

+		.Header                 = {.Size = USB_STRING_LEN(17), .Type = DTYPE_String},

+			

+		.UnicodeString          = L"Arduino Mega 2560"

+	#endif

+	

+};

+

+/** This function is called by the library when in device mode, and must be overridden (see library "USB Descriptors"

+ *  documentation) by the application code so that the address and size of a requested descriptor can be given

+ *  to the USB library. When the device receives a Get Descriptor request on the control endpoint, this function

+ *  is called so that the descriptor details can be passed back and the appropriate descriptor sent back to the

+ *  USB host.

+ */

+uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue,

+                                    const uint8_t wIndex,

+                                    void** const DescriptorAddress)

+{

+	const uint8_t  DescriptorType   = (wValue >> 8);

+	const uint8_t  DescriptorNumber = (wValue & 0xFF);

+

+	void*    Address = NULL;

+	uint16_t Size    = NO_DESCRIPTOR;

+

+	switch (DescriptorType)

+	{

+		case DTYPE_Device: 

+			Address = (void*)&DeviceDescriptor;

+			Size    = sizeof(USB_Descriptor_Device_t);

+			break;

+		case DTYPE_Configuration: 

+			Address = (void*)&ConfigurationDescriptor;

+			Size    = sizeof(USB_Descriptor_Configuration_t);

+			break;

+		case DTYPE_String: 

+			switch (DescriptorNumber)

+			{

+				case 0x00: 

+					Address = (void*)&LanguageString;

+					Size    = pgm_read_byte(&LanguageString.Header.Size);

+					break;

+				case 0x01: 

+					Address = (void*)&ManufacturerString;

+					Size    = pgm_read_byte(&ManufacturerString.Header.Size);

+					break;

+				case 0x02: 

+					Address = (void*)&ProductString;

+					Size    = pgm_read_byte(&ProductString.Header.Size);

+					break;

+			}

+			

+			break;

+	}

+	

+	*DescriptorAddress = Address;

+	return Size;

+}

diff --git a/firmwares/atmegaxxu2/arduino-usbserial/Descriptors.h b/firmwares/atmegaxxu2/arduino-usbserial/Descriptors.h
new file mode 100755
index 0000000..3ac4e52
--- /dev/null
+++ b/firmwares/atmegaxxu2/arduino-usbserial/Descriptors.h
@@ -0,0 +1,88 @@
+/*

+             LUFA Library

+     Copyright (C) Dean Camera, 2010.

+              

+  dean [at] fourwalledcubicle [dot] com

+      www.fourwalledcubicle.com

+*/

+

+/*

+  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.

+*/

+

+/** \file

+ *

+ *  Header file for Descriptors.c.

+ */

+ 

+#ifndef _DESCRIPTORS_H_

+#define _DESCRIPTORS_H_

+

+	/* Includes: */

+		#include <avr/pgmspace.h>

+

+		#include <LUFA/Drivers/USB/USB.h>

+		#include <LUFA/Drivers/USB/Class/CDC.h>

+		

+	/* Product-specific definitions: */

+		#define ARDUINO_UNO_PID				0x0001

+		#define ARDUINO_MEGA2560_PID		0x0010

+

+	/* Macros: */

+		/** Endpoint number of the CDC device-to-host notification IN endpoint. */

+		#define CDC_NOTIFICATION_EPNUM         2

+

+		/** Endpoint number of the CDC device-to-host data IN endpoint. */

+		#define CDC_TX_EPNUM                   3	

+

+		/** Endpoint number of the CDC host-to-device data OUT endpoint. */

+		#define CDC_RX_EPNUM                   4	

+

+		/** Size in bytes of the CDC device-to-host notification IN endpoint. */

+		#define CDC_NOTIFICATION_EPSIZE        8

+

+		/** Size in bytes of the CDC data IN and OUT endpoints. */

+		#define CDC_TXRX_EPSIZE                64	

+

+	/* Type Defines: */

+		/** Type define for the device configuration descriptor structure. This must be defined in the

+		 *  application code, as the configuration descriptor contains several sub-descriptors which

+		 *  vary between devices, and which describe the device's usage to the host.

+		 */

+		typedef struct

+		{

+			USB_Descriptor_Configuration_Header_t    Config;

+			USB_Descriptor_Interface_t               CDC_CCI_Interface;

+			CDC_FUNCTIONAL_DESCRIPTOR(2)             CDC_Functional_IntHeader;

+			CDC_FUNCTIONAL_DESCRIPTOR(1)             CDC_Functional_AbstractControlManagement;

+			CDC_FUNCTIONAL_DESCRIPTOR(2)             CDC_Functional_Union;

+			USB_Descriptor_Endpoint_t                CDC_NotificationEndpoint;

+			USB_Descriptor_Interface_t               CDC_DCI_Interface;

+			USB_Descriptor_Endpoint_t                CDC_DataOutEndpoint;

+			USB_Descriptor_Endpoint_t                CDC_DataInEndpoint;

+		} USB_Descriptor_Configuration_t;

+

+	/* Function Prototypes: */

+		uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue,

+		                                    const uint8_t wIndex,

+		                                    void** const DescriptorAddress) ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(3);

+

+#endif

diff --git a/firmwares/atmegaxxu2/arduino-usbserial/Lib/LightweightRingBuff.h b/firmwares/atmegaxxu2/arduino-usbserial/Lib/LightweightRingBuff.h
new file mode 100755
index 0000000..fb48c1f
--- /dev/null
+++ b/firmwares/atmegaxxu2/arduino-usbserial/Lib/LightweightRingBuff.h
@@ -0,0 +1,197 @@
+/*

+             LUFA Library

+     Copyright (C) Dean Camera, 2010.

+              

+  dean [at] fourwalledcubicle [dot] com

+      www.fourwalledcubicle.com

+*/

+

+/*

+  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.

+*/

+

+/** \file

+ *

+ *  Ultra lightweight ring buffer, for fast insertion/deletion.

+ */

+ 

+#ifndef _ULW_RING_BUFF_H_

+#define _ULW_RING_BUFF_H_

+

+	/* Includes: */

+		#include <util/atomic.h>

+	

+		#include <stdint.h>

+		#include <stdbool.h>

+

+	/* Defines: */

+		/** Size of each ring buffer, in data elements - must be between 1 and 255. */

+		#define BUFFER_SIZE         128

+		

+		/** Maximum number of data elements to buffer before forcing a flush. 

+		 *  Must be less than BUFFER_SIZE

+		 */

+		#define BUFFER_NEARLY_FULL	96

+		

+		/** Type of data to store into the buffer. */

+		#define RingBuff_Data_t     uint8_t

+

+		/** Datatype which may be used to store the count of data stored in a buffer, retrieved

+		 *  via a call to \ref RingBuffer_GetCount().

+		 */

+		#if (BUFFER_SIZE <= 0xFF)

+			#define RingBuff_Count_t   uint8_t

+		#else

+			#define RingBuff_Count_t   uint16_t

+		#endif

+

+	/* Type Defines: */

+		/** Type define for a new ring buffer object. Buffers should be initialized via a call to

+		 *  \ref RingBuffer_InitBuffer() before use.

+		 */

+		typedef struct

+		{

+			RingBuff_Data_t  Buffer[BUFFER_SIZE]; /**< Internal ring buffer data, referenced by the buffer pointers. */

+			RingBuff_Data_t* In; /**< Current storage location in the circular buffer */

+			RingBuff_Data_t* Out; /**< Current retrieval location in the circular buffer */

+			RingBuff_Count_t Count;

+		} RingBuff_t;

+	

+	/* Inline Functions: */

+		/** Initializes a ring buffer ready for use. Buffers must be initialized via this function

+		 *  before any operations are called upon them. Already initialized buffers may be reset

+		 *  by re-initializing them using this function.

+		 *

+		 *  \param[out] Buffer  Pointer to a ring buffer structure to initialize

+		 */

+		static inline void RingBuffer_InitBuffer(RingBuff_t* const Buffer)

+		{

+			ATOMIC_BLOCK(ATOMIC_RESTORESTATE)

+			{

+				Buffer->In  = Buffer->Buffer;

+				Buffer->Out = Buffer->Buffer;

+			}

+		}

+		

+		/** Retrieves the minimum number of bytes stored in a particular buffer. This value is computed

+		 *  by entering an atomic lock on the buffer while the IN and OUT locations are fetched, so that

+		 *  the buffer cannot be modified while the computation takes place. This value should be cached

+		 *  when reading out the contents of the buffer, so that as small a time as possible is spent

+		 *  in an atomic lock.

+		 *

+		 *  \note The value returned by this function is guaranteed to only be the minimum number of bytes

+		 *        stored in the given buffer; this value may change as other threads write new data and so

+		 *        the returned number should be used only to determine how many successive reads may safely

+		 *        be performed on the buffer.

+		 *

+		 *  \param[in] Buffer  Pointer to a ring buffer structure whose count is to be computed

+		 */

+		static inline RingBuff_Count_t RingBuffer_GetCount(RingBuff_t* const Buffer)

+		{

+			RingBuff_Count_t Count;

+			

+			ATOMIC_BLOCK(ATOMIC_RESTORESTATE)

+			{

+				Count = Buffer->Count;

+			}

+			

+			return Count;

+		}

+		

+		/** Atomically determines if the specified ring buffer contains any free space. This should

+		 *  be tested before storing data to the buffer, to ensure that no data is lost due to a

+		 *  buffer overrun.

+		 *

+		 *  \param[in,out] Buffer  Pointer to a ring buffer structure to insert into

+		 *

+		 *  \return Boolean true if the buffer contains no free space, false otherwise

+		 */		 

+		static inline bool RingBuffer_IsFull(RingBuff_t* const Buffer)

+		{

+			return (RingBuffer_GetCount(Buffer) == BUFFER_SIZE);

+		}

+

+		/** Atomically determines if the specified ring buffer contains any data. This should

+		 *  be tested before removing data from the buffer, to ensure that the buffer does not

+		 *  underflow.

+		 *

+		 *  If the data is to be removed in a loop, store the total number of bytes stored in the

+		 *  buffer (via a call to the \ref RingBuffer_GetCount() function) in a temporary variable

+		 *  to reduce the time spent in atomicity locks.

+		 *

+		 *  \param[in,out] Buffer  Pointer to a ring buffer structure to insert into

+		 *

+		 *  \return Boolean true if the buffer contains no free space, false otherwise

+		 */		 

+		static inline bool RingBuffer_IsEmpty(RingBuff_t* const Buffer)

+		{

+			return (RingBuffer_GetCount(Buffer) == 0);

+		}

+

+		/** Inserts an element into the ring buffer.

+		 *

+		 *  \note Only one execution thread (main program thread or an ISR) may insert into a single buffer

+		 *        otherwise data corruption may occur. Insertion and removal may occur from different execution

+		 *        threads.

+		 *

+		 *  \param[in,out] Buffer  Pointer to a ring buffer structure to insert into

+		 *  \param[in]     Data    Data element to insert into the buffer

+		 */

+		static inline void RingBuffer_Insert(RingBuff_t* const Buffer,

+		                                     const RingBuff_Data_t Data)

+		{

+			*Buffer->In = Data;

+			

+			if (++Buffer->In == &Buffer->Buffer[BUFFER_SIZE])

+			  Buffer->In = Buffer->Buffer;

+

+			ATOMIC_BLOCK(ATOMIC_RESTORESTATE)

+			{

+				Buffer->Count++;

+			}

+		}

+

+		/** Removes an element from the ring buffer.

+		 *

+		 *  \note Only one execution thread (main program thread or an ISR) may remove from a single buffer

+		 *        otherwise data corruption may occur. Insertion and removal may occur from different execution

+		 *        threads.

+		 *

+		 *  \param[in,out] Buffer  Pointer to a ring buffer structure to retrieve from

+		 *

+		 *  \return Next data element stored in the buffer

+		 */

+		static inline RingBuff_Data_t RingBuffer_Remove(RingBuff_t* const Buffer)

+		{

+			RingBuff_Data_t Data = *Buffer->Out;

+			

+			if (++Buffer->Out == &Buffer->Buffer[BUFFER_SIZE])

+			  Buffer->Out = Buffer->Buffer;

+

+			ATOMIC_BLOCK(ATOMIC_RESTORESTATE)

+			{

+				Buffer->Count--;

+			}

+			

+			return Data;

+		}

+

+#endif

diff --git a/firmwares/atmegaxxu2/arduino-usbserial/makefile b/firmwares/atmegaxxu2/arduino-usbserial/makefile
new file mode 100755
index 0000000..79d6be2
--- /dev/null
+++ b/firmwares/atmegaxxu2/arduino-usbserial/makefile
@@ -0,0 +1,776 @@
+# Hey Emacs, this is a -*- makefile -*-

+#----------------------------------------------------------------------------

+# WinAVR Makefile Template written by Eric B. Weddington, Jörg Wunsch, et al.

+#  >> Modified for use with the LUFA project. <<

+#

+# Released to the Public Domain

+#

+# Additional material for this makefile was written by:

+# Peter Fleury

+# Tim Henigan

+# Colin O'Flynn

+# Reiner Patommel

+# Markus Pfaff

+# Sander Pool

+# Frederik Rouleau

+# Carlos Lamas

+# Dean Camera

+# Opendous Inc.

+# Denver Gingerich

+#

+#----------------------------------------------------------------------------

+# On command line:

+#

+# make all = Make software.

+#

+# make clean = Clean out built project files.

+#

+# make coff = Convert ELF to AVR COFF.

+#

+# make extcoff = Convert ELF to AVR Extended COFF.

+#

+# make program = Download the hex file to the device, using avrdude.

+#                Please customize the avrdude settings below first!

+#

+# make dfu = Download the hex file to the device, using dfu-programmer (must

+#            have dfu-programmer installed).

+#

+# make flip = Download the hex file to the device, using Atmel FLIP (must

+#             have Atmel FLIP installed).

+#

+# make dfu-ee = Download the eeprom file to the device, using dfu-programmer

+#               (must have dfu-programmer installed).

+#

+# make flip-ee = Download the eeprom file to the device, using Atmel FLIP

+#                (must have Atmel FLIP installed).

+#

+# make doxygen = Generate DoxyGen documentation for the project (must have

+#                DoxyGen installed)

+#

+# make debug = Start either simulavr or avarice as specified for debugging, 

+#              with avr-gdb or avr-insight as the front end for debugging.

+#

+# make filename.s = Just compile filename.c into the assembler code only.

+#

+# make filename.i = Create a preprocessed source file for use in submitting

+#                   bug reports to the GCC project.

+#

+# To rebuild project do "make clean" then "make all".

+#----------------------------------------------------------------------------

+

+# MCU name(s)

+# 	Since the ATMEGA8U2 part is not directly supported by the current

+#	versions of either avrdude or dfu-programmer, we specify a dummy

+#	part; AT90USB82 which is close enough in memory size and organization

+MCU = atmega8u2

+MCU_AVRDUDE = at90usb82

+MCU_DFU = at90usb82

+

+# Specify the Arduino model using the assigned PID.  This is used by Descriptors.c

+#   to set PID and product descriptor string

+# Uno PID:

+ARDUINO_MODEL_PID = 0x0001

+# Mega 2560 PID:

+#ARDUINO_MODEL_PID = 0x0010

+

+

+# Target board (see library "Board Types" documentation, NONE for projects not requiring

+# LUFA board drivers). If USER is selected, put custom board drivers in a directory called 

+# "Board" inside the application directory.

+BOARD  = USER

+

+

+# Processor frequency.

+#     This will define a symbol, F_CPU, in all source code files equal to the 

+#     processor frequency in Hz. You can then use this symbol in your source code to 

+#     calculate timings. Do NOT tack on a 'UL' at the end, this will be done

+#     automatically to create a 32-bit value in your source code.

+#

+#     This will be an integer division of F_CLOCK below, as it is sourced by

+#     F_CLOCK after it has run through any CPU prescalers. Note that this value

+#     does not *change* the processor frequency - it should merely be updated to

+#     reflect the processor speed set externally so that the code can use accurate

+#     software delays.

+F_CPU = 16000000

+

+

+# Input clock frequency.

+#     This will define a symbol, F_CLOCK, in all source code files equal to the 

+#     input clock frequency (before any prescaling is performed) in Hz. This value may

+#     differ from F_CPU if prescaling is used on the latter, and is required as the

+#     raw input clock is fed directly to the PLL sections of the AVR for high speed

+#     clock generation for the USB and other AVR subsections. Do NOT tack on a 'UL'

+#     at the end, this will be done automatically to create a 32-bit value in your

+#     source code.

+#

+#     If no clock division is performed on the input clock inside the AVR (via the

+#     CPU clock adjust registers or the clock division fuses), this will be equal to F_CPU.

+F_CLOCK = $(F_CPU)

+

+

+# Output format. (can be srec, ihex, binary)

+FORMAT = ihex

+

+

+# Target file name (without extension).

+TARGET = Arduino-usbserial

+

+

+# Object files directory

+#     To put object files in current directory, use a dot (.), do NOT make

+#     this an empty or blank macro!

+OBJDIR = .

+

+

+# Path to the LUFA library

+LUFA_PATH = ../..

+

+

+# LUFA library compile-time options

+LUFA_OPTS  = -D USB_DEVICE_ONLY

+LUFA_OPTS += -D FIXED_CONTROL_ENDPOINT_SIZE=8

+LUFA_OPTS += -D FIXED_NUM_CONFIGURATIONS=1

+LUFA_OPTS += -D USE_FLASH_DESCRIPTORS

+LUFA_OPTS += -D INTERRUPT_CONTROL_ENDPOINT

+LUFA_OPTS += -D DEVICE_STATE_AS_GPIOR=0

+LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_DEVICE_OPT_FULLSPEED | USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"

+

+

+# Create the LUFA source path variables by including the LUFA root makefile

+include $(LUFA_PATH)/LUFA/makefile

+

+

+# List C source files here. (C dependencies are automatically generated.)

+SRC = $(TARGET).c                                                 \

+	  Descriptors.c                                               \

+	  $(LUFA_SRC_USB)                                             \

+	  $(LUFA_SRC_USBCLASS)										  \

+	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Device.c			  \

+	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Endpoint.c           \

+	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/HostStandardReq.c	  \

+	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Host.c               \

+ 	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Pipe.c               \

+ 	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/USBController.c      \

+	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/Events.c            \

+	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/USBInterrupt.c       \

+	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/USBTask.c           \

+	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/DeviceStandardReq.c \

+	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c  \

+	  $(LUFA_PATH)/LUFA/Drivers/USB/Class/Device/CDC.c            \

+	  $(LUFA_PATH)/LUFA/Drivers/USB/Class/Host/CDC.c              

+

+

+# List C++ source files here. (C dependencies are automatically generated.)

+CPPSRC = 

+

+

+# List Assembler source files here.

+#     Make them always end in a capital .S.  Files ending in a lowercase .s

+#     will not be considered source files but generated files (assembler

+#     output from the compiler), and will be deleted upon "make clean"!

+#     Even though the DOS/Win* filesystem matches both .s and .S the same,

+#     it will preserve the spelling of the filenames, and gcc itself does

+#     care about how the name is spelled on its command-line.

+ASRC =

+

+

+# Optimization level, can be [0, 1, 2, 3, s]. 

+#     0 = turn off optimization. s = optimize for size.

+#     (Note: 3 is not always the best optimization level. See avr-libc FAQ.)

+OPT = s

+

+

+# Debugging format.

+#     Native formats for AVR-GCC's -g are dwarf-2 [default] or stabs.

+#     AVR Studio 4.10 requires dwarf-2.

+#     AVR [Extended] COFF format requires stabs, plus an avr-objcopy run.

+DEBUG = dwarf-2

+

+

+# List any extra directories to look for include files here.

+#     Each directory must be seperated by a space.

+#     Use forward slashes for directory separators.

+#     For a directory that has spaces, enclose it in quotes.

+EXTRAINCDIRS = $(LUFA_PATH)/

+

+

+# Compiler flag to set the C Standard level.

+#     c89   = "ANSI" C

+#     gnu89 = c89 plus GCC extensions

+#     c99   = ISO C99 standard (not yet fully implemented)

+#     gnu99 = c99 plus GCC extensions

+CSTANDARD = -std=gnu99

+

+

+# Place -D or -U options here for C sources

+CDEFS  = -DF_CPU=$(F_CPU)UL 

+CDEFS += -DF_CLOCK=$(F_CLOCK)UL 

+CDEFS += -DARDUINO_MODEL_PID=$(ARDUINO_MODEL_PID)

+CDEFS += -DBOARD=BOARD_$(BOARD) 

+CDEFS += $(LUFA_OPTS)

+CDEFS += -DAVR_RESET_LINE_PORT="PORTD"

+CDEFS += -DAVR_RESET_LINE_DDR="DDRD"

+CDEFS += -DAVR_RESET_LINE_MASK="(1 << 7)"

+CDEFS += -DTX_RX_LED_PULSE_MS=3

+CDEFS += -DPING_PONG_LED_PULSE_MS=100

+

+# Place -D or -U options here for ASM sources

+ADEFS  = -DF_CPU=$(F_CPU)

+ADEFS += -DF_CLOCK=$(F_CLOCK)UL

+ADEFS += -DBOARD=BOARD_$(BOARD)

+ADEFS += $(LUFA_OPTS)

+

+# Place -D or -U options here for C++ sources

+CPPDEFS  = -DF_CPU=$(F_CPU)UL

+CPPDEFS += -DF_CLOCK=$(F_CLOCK)UL

+CPPDEFS += -DBOARD=BOARD_$(BOARD)

+CPPDEFS += $(LUFA_OPTS)

+#CPPDEFS += -D__STDC_LIMIT_MACROS

+#CPPDEFS += -D__STDC_CONSTANT_MACROS

+

+

+

+#---------------- Compiler Options C ----------------

+#  -g*:          generate debugging information

+#  -O*:          optimization level

+#  -f...:        tuning, see GCC manual and avr-libc documentation

+#  -Wall...:     warning level

+#  -Wa,...:      tell GCC to pass this to the assembler.

+#    -adhlns...: create assembler listing

+CFLAGS = -g$(DEBUG)

+CFLAGS += $(CDEFS)

+CFLAGS += -O$(OPT)

+CFLAGS += -funsigned-char

+CFLAGS += -funsigned-bitfields

+CFLAGS += -ffunction-sections

+CFLAGS += -fno-inline-small-functions

+CFLAGS += -fpack-struct

+CFLAGS += -fshort-enums

+CFLAGS += -fno-strict-aliasing

+CFLAGS += -Wall

+CFLAGS += -Wstrict-prototypes

+#CFLAGS += -mshort-calls

+#CFLAGS += -fno-unit-at-a-time

+#CFLAGS += -Wundef

+#CFLAGS += -Wunreachable-code

+#CFLAGS += -Wsign-compare

+CFLAGS += -Wa,-adhlns=$(<:%.c=$(OBJDIR)/%.lst)

+CFLAGS += $(patsubst %,-I%,$(EXTRAINCDIRS))

+CFLAGS += $(CSTANDARD)

+

+

+#---------------- Compiler Options C++ ----------------

+#  -g*:          generate debugging information

+#  -O*:          optimization level

+#  -f...:        tuning, see GCC manual and avr-libc documentation

+#  -Wall...:     warning level

+#  -Wa,...:      tell GCC to pass this to the assembler.

+#    -adhlns...: create assembler listing

+CPPFLAGS = -g$(DEBUG)

+CPPFLAGS += $(CPPDEFS)

+CPPFLAGS += -O$(OPT)

+CPPFLAGS += -funsigned-char

+CPPFLAGS += -funsigned-bitfields

+CPPFLAGS += -fpack-struct

+CPPFLAGS += -fshort-enums

+CPPFLAGS += -fno-exceptions

+CPPFLAGS += -Wall

+CPPFLAGS += -Wundef

+CFLAGS += -Wundef

+#CPPFLAGS += -mshort-calls

+#CPPFLAGS += -fno-unit-at-a-time

+#CPPFLAGS += -Wstrict-prototypes

+#CPPFLAGS += -Wunreachable-code

+#CPPFLAGS += -Wsign-compare

+CPPFLAGS += -Wa,-adhlns=$(<:%.cpp=$(OBJDIR)/%.lst)

+CPPFLAGS += $(patsubst %,-I%,$(EXTRAINCDIRS))

+#CPPFLAGS += $(CSTANDARD)

+

+

+#---------------- Assembler Options ----------------

+#  -Wa,...:   tell GCC to pass this to the assembler.

+#  -adhlns:   create listing

+#  -gstabs:   have the assembler create line number information; note that

+#             for use in COFF files, additional information about filenames

+#             and function names needs to be present in the assembler source

+#             files -- see avr-libc docs [FIXME: not yet described there]

+#  -listing-cont-lines: Sets the maximum number of continuation lines of hex 

+#       dump that will be displayed for a given single line of source input.

+ASFLAGS = $(ADEFS) -Wa,-adhlns=$(<:%.S=$(OBJDIR)/%.lst),-gstabs,--listing-cont-lines=100

+

+

+#---------------- Library Options ----------------

+# Minimalistic printf version

+PRINTF_LIB_MIN = -Wl,-u,vfprintf -lprintf_min

+

+# Floating point printf version (requires MATH_LIB = -lm below)

+PRINTF_LIB_FLOAT = -Wl,-u,vfprintf -lprintf_flt

+

+# If this is left blank, then it will use the Standard printf version.

+PRINTF_LIB = 

+#PRINTF_LIB = $(PRINTF_LIB_MIN)

+#PRINTF_LIB = $(PRINTF_LIB_FLOAT)

+

+

+# Minimalistic scanf version

+SCANF_LIB_MIN = -Wl,-u,vfscanf -lscanf_min

+

+# Floating point + %[ scanf version (requires MATH_LIB = -lm below)

+SCANF_LIB_FLOAT = -Wl,-u,vfscanf -lscanf_flt

+

+# If this is left blank, then it will use the Standard scanf version.

+SCANF_LIB = 

+#SCANF_LIB = $(SCANF_LIB_MIN)

+#SCANF_LIB = $(SCANF_LIB_FLOAT)

+

+

+MATH_LIB = -lm

+

+

+# List any extra directories to look for libraries here.

+#     Each directory must be seperated by a space.

+#     Use forward slashes for directory separators.

+#     For a directory that has spaces, enclose it in quotes.

+EXTRALIBDIRS = 

+

+

+

+#---------------- External Memory Options ----------------

+

+# 64 KB of external RAM, starting after internal RAM (ATmega128!),

+# used for variables (.data/.bss) and heap (malloc()).

+#EXTMEMOPTS = -Wl,-Tdata=0x801100,--defsym=__heap_end=0x80ffff

+

+# 64 KB of external RAM, starting after internal RAM (ATmega128!),

+# only used for heap (malloc()).

+#EXTMEMOPTS = -Wl,--section-start,.data=0x801100,--defsym=__heap_end=0x80ffff

+

+EXTMEMOPTS =

+

+

+

+#---------------- Linker Options ----------------

+#  -Wl,...:     tell GCC to pass this to linker.

+#    -Map:      create map file

+#    --cref:    add cross reference to  map file

+LDFLAGS  = -Wl,-Map=$(TARGET).map,--cref

+LDFLAGS += -Wl,--relax 

+LDFLAGS += -Wl,--gc-sections

+LDFLAGS += $(EXTMEMOPTS)

+LDFLAGS += $(patsubst %,-L%,$(EXTRALIBDIRS))

+LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)

+#LDFLAGS += -T linker_script.x

+

+

+

+#---------------- Programming Options (avrdude) ----------------

+

+# Programming hardware

+# Type: avrdude -c ?

+# to get a full listing.

+#

+AVRDUDE_PROGRAMMER = avrispmkii

+

+# com1 = serial port. Use lpt1 to connect to parallel port.

+AVRDUDE_PORT = usb

+

+AVRDUDE_WRITE_FLASH = -U flash:w:$(TARGET).hex

+#AVRDUDE_WRITE_EEPROM = -U eeprom:w:$(TARGET).eep

+

+

+# Uncomment the following if you want avrdude's erase cycle counter.

+# Note that this counter needs to be initialized first using -Yn,

+# see avrdude manual.

+#AVRDUDE_ERASE_COUNTER = -y

+

+# Uncomment the following if you do /not/ wish a verification to be

+# performed after programming the device.

+#AVRDUDE_NO_VERIFY = -V

+

+# Increase verbosity level.  Please use this when submitting bug

+# reports about avrdude. See <http://savannah.nongnu.org/projects/avrdude> 

+# to submit bug reports.

+#AVRDUDE_VERBOSE = -v -v

+

+AVRDUDE_FORCE = -F

+

+AVRDUDE_FLAGS = -p $(MCU_AVRDUDE) -P $(AVRDUDE_PORT) -c $(AVRDUDE_PROGRAMMER)

+AVRDUDE_FLAGS += $(AVRDUDE_NO_VERIFY)

+AVRDUDE_FLAGS += $(AVRDUDE_VERBOSE)

+AVRDUDE_FLAGS += $(AVRDUDE_ERASE_COUNTER)

+AVRDUDE_FLAGS += $(AVRDUDE_FORCE)

+

+

+

+#---------------- Debugging Options ----------------

+

+# For simulavr only - target MCU frequency.

+DEBUG_MFREQ = $(F_CPU)

+

+# Set the DEBUG_UI to either gdb or insight.

+# DEBUG_UI = gdb

+DEBUG_UI = insight

+

+# Set the debugging back-end to either avarice, simulavr.

+DEBUG_BACKEND = avarice

+#DEBUG_BACKEND = simulavr

+

+# GDB Init Filename.

+GDBINIT_FILE = __avr_gdbinit

+

+# When using avarice settings for the JTAG

+JTAG_DEV = /dev/com1

+

+# Debugging port used to communicate between GDB / avarice / simulavr.

+DEBUG_PORT = 4242

+

+# Debugging host used to communicate between GDB / avarice / simulavr, normally

+#     just set to localhost unless doing some sort of crazy debugging when 

+#     avarice is running on a different computer.

+DEBUG_HOST = localhost

+

+

+

+#============================================================================

+

+

+# Define programs and commands.

+SHELL = sh

+CC = avr-gcc

+OBJCOPY = avr-objcopy

+OBJDUMP = avr-objdump

+SIZE = avr-size

+AR = avr-ar rcs

+NM = avr-nm

+AVRDUDE = avrdude

+REMOVE = rm -f

+REMOVEDIR = rm -rf

+COPY = cp

+WINSHELL = cmd

+

+# Define Messages

+# English

+MSG_ERRORS_NONE = Errors: none

+MSG_BEGIN = -------- begin --------

+MSG_END = --------  end  --------

+MSG_SIZE_BEFORE = Size before: 

+MSG_SIZE_AFTER = Size after:

+MSG_COFF = Converting to AVR COFF:

+MSG_EXTENDED_COFF = Converting to AVR Extended COFF:

+MSG_FLASH = Creating load file for Flash:

+MSG_EEPROM = Creating load file for EEPROM:

+MSG_EXTENDED_LISTING = Creating Extended Listing:

+MSG_SYMBOL_TABLE = Creating Symbol Table:

+MSG_LINKING = Linking:

+MSG_COMPILING = Compiling C:

+MSG_COMPILING_CPP = Compiling C++:

+MSG_ASSEMBLING = Assembling:

+MSG_CLEANING = Cleaning project:

+MSG_CREATING_LIBRARY = Creating library:

+

+

+

+

+# Define all object files.

+OBJ = $(SRC:%.c=$(OBJDIR)/%.o) $(CPPSRC:%.cpp=$(OBJDIR)/%.o) $(ASRC:%.S=$(OBJDIR)/%.o) 

+

+# Define all listing files.

+LST = $(SRC:%.c=$(OBJDIR)/%.lst) $(CPPSRC:%.cpp=$(OBJDIR)/%.lst) $(ASRC:%.S=$(OBJDIR)/%.lst) 

+

+

+# Compiler flags to generate dependency files.

+GENDEPFLAGS = -MMD -MP -MF .dep/$(@F).d

+

+

+# Combine all necessary flags and optional flags.

+# Add target processor to flags.

+ALL_CFLAGS = -mmcu=$(MCU) -I. $(CFLAGS) $(GENDEPFLAGS)

+ALL_CPPFLAGS = -mmcu=$(MCU) -I. -x c++ $(CPPFLAGS) $(GENDEPFLAGS)

+ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)

+

+

+

+

+

+# Default target.

+#all: begin gccversion sizebefore build checkinvalidevents showliboptions showtarget sizeafter end

+all: begin gccversion sizebefore build showliboptions showtarget sizeafter end

+

+# Change the build target to build a HEX file or a library.

+build: elf hex eep lss sym asm

+#build: lib

+

+

+elf: $(TARGET).elf

+hex: $(TARGET).hex

+eep: $(TARGET).eep

+lss: $(TARGET).lss

+sym: $(TARGET).sym

+asm: $(TARGET).s

+LIBNAME=lib$(TARGET).a

+lib: $(LIBNAME)

+

+

+

+# Eye candy.

+# AVR Studio 3.x does not check make's exit code but relies on

+# the following magic strings to be generated by the compile job.

+begin:

+	@echo

+	@echo $(MSG_BEGIN)

+

+end:

+	@echo $(MSG_END)

+	@echo

+

+

+# Display size of file.

+HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex

+ELFSIZE = $(SIZE) $(MCU_FLAG) $(FORMAT_FLAG) $(TARGET).elf

+MCU_FLAG = $(shell $(SIZE) --help | grep -- --mcu > /dev/null && echo --mcu=$(MCU) )

+FORMAT_FLAG = $(shell $(SIZE) --help | grep -- --format=.*avr > /dev/null && echo --format=avr )

+

+sizebefore:

+	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); \

+	2>/dev/null; echo; fi

+

+sizeafter:

+	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); \

+	2>/dev/null; echo; fi

+

+#$(LUFA_PATH)/LUFA/LUFA_Events.lst:

+#	@make -C $(LUFA_PATH)/LUFA/ LUFA_Events.lst

+

+#checkinvalidevents: $(LUFA_PATH)/LUFA/LUFA_Events.lst

+#	@echo

+#	@echo Checking for invalid events...

+#	@$(shell) avr-nm $(OBJ) | sed -n -e 's/^.*EVENT_/EVENT_/p' | \

+#	                 grep -F -v --file=$(LUFA_PATH)/LUFA/LUFA_Events.lst > InvalidEvents.tmp || true

+#	@sed -n -e 's/^/  WARNING - INVALID EVENT NAME: /p' InvalidEvents.tmp

+#	@if test -s InvalidEvents.tmp; then exit 1; fi

+	

+showliboptions:

+	@echo

+	@echo ---- Compile Time Library Options ----

+	@for i in $(LUFA_OPTS:-D%=%); do \

+		echo $$i; \

+	done

+	@echo --------------------------------------

+

+showtarget:

+	@echo

+	@echo --------- Target Information ---------

+	@echo AVR Model: $(MCU)

+	@echo Board:     $(BOARD)

+	@echo Clock:     $(F_CPU)Hz CPU, $(F_CLOCK)Hz Master

+	@echo --------------------------------------

+	

+

+# Display compiler version information.

+gccversion : 

+	@$(CC) --version

+

+

+# Program the device.  

+program: $(TARGET).hex $(TARGET).eep

+	$(AVRDUDE) $(AVRDUDE_FLAGS) $(AVRDUDE_WRITE_FLASH) $(AVRDUDE_WRITE_EEPROM)

+

+flip: $(TARGET).hex

+	batchisp -hardware usb -device $(MCU_DFU) -operation erase f

+	batchisp -hardware usb -device $(MCU_DFU) -operation loadbuffer $(TARGET).hex program

+	batchisp -hardware usb -device $(MCU_DFU) -operation start reset 0

+

+dfu: $(TARGET).hex

+	dfu-programmer $(MCU_DFU) erase

+	dfu-programmer $(MCU_DFU) flash --debug 1 $(TARGET).hex

+	dfu-programmer $(MCU_DFU) reset

+

+

+flip-ee: $(TARGET).hex $(TARGET).eep

+	$(COPY) $(TARGET).eep $(TARGET)eep.hex

+	batchisp -hardware usb -device $(MCU_DFU) -operation memory EEPROM erase

+	batchisp -hardware usb -device $(MCU_DFU) -operation memory EEPROM loadbuffer $(TARGET)eep.hex program

+	batchisp -hardware usb -device $(MCU_DFU) -operation start reset 0

+	$(REMOVE) $(TARGET)eep.hex

+

+dfu-ee: $(TARGET).hex $(TARGET).eep

+	dfu-programmer $(MCU_DFU) flash-eeprom --debug 1 --suppress-bootloader-mem $(TARGET).eep

+	dfu-programmer $(MCU_DFU) reset

+

+

+# Generate avr-gdb config/init file which does the following:

+#     define the reset signal, load the target file, connect to target, and set 

+#     a breakpoint at main().

+gdb-config: 

+	@$(REMOVE) $(GDBINIT_FILE)

+	@echo define reset >> $(GDBINIT_FILE)

+	@echo SIGNAL SIGHUP >> $(GDBINIT_FILE)

+	@echo end >> $(GDBINIT_FILE)

+	@echo file $(TARGET).elf >> $(GDBINIT_FILE)

+	@echo target remote $(DEBUG_HOST):$(DEBUG_PORT)  >> $(GDBINIT_FILE)

+ifeq ($(DEBUG_BACKEND),simulavr)

+	@echo load  >> $(GDBINIT_FILE)

+endif

+	@echo break main >> $(GDBINIT_FILE)

+

+debug: gdb-config $(TARGET).elf

+ifeq ($(DEBUG_BACKEND), avarice)

+	@echo Starting AVaRICE - Press enter when "waiting to connect" message displays.

+	@$(WINSHELL) /c start avarice --jtag $(JTAG_DEV) --erase --program --file \

+	$(TARGET).elf $(DEBUG_HOST):$(DEBUG_PORT)

+	@$(WINSHELL) /c pause

+

+else

+	@$(WINSHELL) /c start simulavr --gdbserver --device $(MCU) --clock-freq \

+	$(DEBUG_MFREQ) --port $(DEBUG_PORT)

+endif

+	@$(WINSHELL) /c start avr-$(DEBUG_UI) --command=$(GDBINIT_FILE)

+

+

+

+

+# Convert ELF to COFF for use in debugging / simulating in AVR Studio or VMLAB.

+COFFCONVERT = $(OBJCOPY) --debugging

+COFFCONVERT += --change-section-address .data-0x800000

+COFFCONVERT += --change-section-address .bss-0x800000

+COFFCONVERT += --change-section-address .noinit-0x800000

+COFFCONVERT += --change-section-address .eeprom-0x810000

+

+

+

+coff: $(TARGET).elf

+	@echo

+	@echo $(MSG_COFF) $(TARGET).cof

+	$(COFFCONVERT) -O coff-avr $< $(TARGET).cof

+

+

+extcoff: $(TARGET).elf

+	@echo

+	@echo $(MSG_EXTENDED_COFF) $(TARGET).cof

+	$(COFFCONVERT) -O coff-ext-avr $< $(TARGET).cof

+

+

+

+# Create final output files (.hex, .eep) from ELF output file.

+%.hex: %.elf

+	@echo

+	@echo $(MSG_FLASH) $@

+	$(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock $< $@

+

+%.eep: %.elf

+	@echo

+	@echo $(MSG_EEPROM) $@

+	-$(OBJCOPY) -j .eeprom --set-section-flags=.eeprom="alloc,load" \

+	--change-section-lma .eeprom=0 --no-change-warnings -O $(FORMAT) $< $@ || exit 0

+

+# Create extended listing file from ELF output file.

+%.lss: %.elf

+	@echo

+	@echo $(MSG_EXTENDED_LISTING) $@

+	$(OBJDUMP) -h -S -z $< > $@

+

+# Create a symbol table from ELF output file.

+%.sym: %.elf

+	@echo

+	@echo $(MSG_SYMBOL_TABLE) $@

+	$(NM) -n $< > $@

+

+

+

+# Create library from object files.

+.SECONDARY : $(TARGET).a

+.PRECIOUS : $(OBJ)

+%.a: $(OBJ)

+	@echo

+	@echo $(MSG_CREATING_LIBRARY) $@

+	$(AR) $@ $(OBJ)

+

+

+# Link: create ELF output file from object files.

+.SECONDARY : $(TARGET).elf

+.PRECIOUS : $(OBJ)

+%.elf: $(OBJ)

+	@echo

+	@echo $(MSG_LINKING) $@

+	$(CC) $(ALL_CFLAGS) $^ --output $@ $(LDFLAGS)

+

+

+# Compile: create object files from C source files.

+$(OBJDIR)/%.o : %.c

+	@echo

+	@echo $(MSG_COMPILING) $<

+	$(CC) -c $(ALL_CFLAGS) $< -o $@ 

+

+

+# Compile: create object files from C++ source files.

+$(OBJDIR)/%.o : %.cpp

+	@echo

+	@echo $(MSG_COMPILING_CPP) $<

+	$(CC) -c $(ALL_CPPFLAGS) $< -o $@ 

+

+

+# Compile: create assembler files from C source files.

+%.s : %.c

+	$(CC) -S $(ALL_CFLAGS) $< -o $@

+

+

+# Compile: create assembler files from C++ source files.

+%.s : %.cpp

+	$(CC) -S $(ALL_CPPFLAGS) $< -o $@

+

+

+# Assemble: create object files from assembler source files.

+$(OBJDIR)/%.o : %.S

+	@echo

+	@echo $(MSG_ASSEMBLING) $<

+	$(CC) -c $(ALL_ASFLAGS) $< -o $@

+

+

+# Create preprocessed source for use in sending a bug report.

+%.i : %.c

+	$(CC) -E -mmcu=$(MCU) -I. $(CFLAGS) $< -o $@ 

+	

+

+# Target: clean project.

+clean: begin clean_list clean_binary end

+

+clean_binary:

+	$(REMOVE) $(TARGET).hex

+	

+clean_list:

+	@echo $(MSG_CLEANING)

+	$(REMOVE) $(TARGET).hex

+	$(REMOVE) $(TARGET).eep

+	$(REMOVE) $(TARGET).cof

+	$(REMOVE) $(TARGET).elf

+	$(REMOVE) $(TARGET).map

+	$(REMOVE) $(TARGET).sym

+	$(REMOVE) $(TARGET).lss

+	$(REMOVE) $(SRC:%.c=$(OBJDIR)/%.o)

+	$(REMOVE) $(SRC:%.c=$(OBJDIR)/%.lst)

+	$(REMOVE) $(SRC:.c=.s)

+	$(REMOVE) $(SRC:.c=.d)

+	$(REMOVE) $(SRC:.c=.i)

+	$(REMOVEDIR) .dep

+

+doxygen:

+	@echo Generating Project Documentation...

+	@doxygen Doxygen.conf

+	@echo Documentation Generation Complete.

+

+clean_doxygen:

+	rm -rf Documentation

+

+# Create object files directory

+$(shell mkdir $(OBJDIR) 2>/dev/null)

+

+

+# Include the dependency files.

+-include $(shell mkdir .dep 2>/dev/null) $(wildcard .dep/*)

+

+

+# Listing of phony targets.

+.PHONY : all begin finish end sizebefore sizeafter gccversion \

+build elf hex eep lss sym coff extcoff doxygen clean          \

+clean_list clean_doxygen program dfu flip flip-ee dfu-ee      \

+debug gdb-config

diff --git a/firmwares/atmegaxxu2/arduino-usbserial/readme.txt b/firmwares/atmegaxxu2/arduino-usbserial/readme.txt
new file mode 100644
index 0000000..289326b
--- /dev/null
+++ b/firmwares/atmegaxxu2/arduino-usbserial/readme.txt
@@ -0,0 +1,13 @@
+To setup the project and upload the Arduino usbserial application firmware to an ATMEGA8U2 using the Arduino USB DFU bootloader:
+1. unpack the source into LUFA's Projects directory
+2. set ARDUINO_MODEL_PID in the makefile as appropriate
+3. do "make clean; make"
+4. put the 8U2 into USB DFU mode:
+4.a. assert and hold the 8U2's RESET line
+4.b. assert and hold the 8U2's HWB line
+4.c. release the 8U2's RESET line
+4.d. release the 8U2's HWB line
+5. confirm that the board enumerates as either "Arduino Uno DFU" or "Arduino Mega 2560 DFU"
+6. do "make dfu" (OS X or Linux - dfu-programmer must be installed first) or "make flip" (Windows - Flip must be installed first)
+
+Check that the board enumerates as either "Arduino Uno" or "Arduino Mega 2560".  Test by uploading a new Arduino sketch from the Arduino IDE.