Merged upstream arduino branch

1 files changed, 189 insertions, 0 deletions

diff --git a/firmwares/atmegaxxu2/arduino-usbdfu/Descriptors.c b/firmwares/atmegaxxu2/arduino-usbdfu/Descriptors.c
new file mode 100755
index 0000000..4deaa06
--- /dev/null
+++ b/firmwares/atmegaxxu2/arduino-usbdfu/Descriptors.c
@@ -0,0 +1,189 @@
+/*

+             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"

+

+/** 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 DeviceDescriptor =

+{

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

+		

+	.USBSpecification       = VERSION_BCD(01.10),

+	.Class                  = 0x00,

+	.SubClass               = 0x00,

+	.Protocol               = 0x00,

+				

+	.Endpoint0Size          = FIXED_CONTROL_ENDPOINT_SIZE,

+		

+	.VendorID               = 0x03EB, // Atmel

+	.ProductID              = PRODUCT_ID_CODE, // MCU-dependent

+	.ReleaseNumber          = 0x0000,

+		

+	.ManufacturerStrIndex   = NO_DESCRIPTOR,

+	.ProductStrIndex        = 0x01,

+	.SerialNumStrIndex      = NO_DESCRIPTOR,

+		

+	.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 ConfigurationDescriptor =

+{

+	.Config = 

+		{

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

+

+			.TotalConfigurationSize   = sizeof(USB_Descriptor_Configuration_t),

+			.TotalInterfaces          = 1,

+

+			.ConfigurationNumber      = 1,

+			.ConfigurationStrIndex    = NO_DESCRIPTOR,

+				

+			.ConfigAttributes         = USB_CONFIG_ATTR_BUSPOWERED,

+			

+			.MaxPowerConsumption      = USB_CONFIG_POWER_MA(100)

+		},

+		

+	.DFU_Interface = 

+		{

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

+

+			.InterfaceNumber        = 0,

+			.AlternateSetting       = 0,

+			

+			.TotalEndpoints         = 0,

+				

+			.Class                  = 0xFE,

+			.SubClass               = 0x01,

+			.Protocol               = 0x02,

+

+			.InterfaceStrIndex      = NO_DESCRIPTOR

+		},

+		

+	.DFU_Functional = 

+		{

+			.Header                 = {.Size = sizeof(USB_DFU_Functional_Descriptor_t), .Type = DTYPE_DFUFunctional},

+			

+			.Attributes             = (ATTR_CAN_UPLOAD | ATTR_CAN_DOWNLOAD),

+

+			.DetachTimeout          = 0x0000,

+			.TransferSize           = 0x0c00,

+		

+			.DFUSpecification       = VERSION_BCD(01.01)

+		}

+};

+

+/** 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 LanguageString =

+{

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

+		

+	.UnicodeString          = {LANGUAGE_ID_ENG}

+};

+

+/** 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 ProductString =

+{

+	#if (ARDUINO_MODEL_PID == ARDUINO_UNO_PID)

+		.Header                 = {.Size = USB_STRING_LEN(15), .Type = DTYPE_String},

+			

+		.UnicodeString          = L"Arduino Uno DFU"

+	#elif (ARDUINO_MODEL_PID == ARDUINO_MEGA2560_PID)

+		.Header                 = {.Size = USB_STRING_LEN(21), .Type = DTYPE_String},

+			

+		.UnicodeString          = L"Arduino Mega 2560 DFU"

+	#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 = &DeviceDescriptor;

+			Size    = sizeof(USB_Descriptor_Device_t);

+			break;

+		case DTYPE_Configuration: 

+			Address = &ConfigurationDescriptor;

+			Size    = sizeof(USB_Descriptor_Configuration_t);

+			break;

+		case DTYPE_String: 

+			if (!(DescriptorNumber))

+			{

+				Address = &LanguageString;

+				Size    = LanguageString.Header.Size;

+			}

+			else

+			{

+				Address = &ProductString;

+				Size    = ProductString.Header.Size;

+			}

+			

+			break;

+	}

+	

+	*DescriptorAddress = Address;

+	return Size;

+}