USB_Descriptor_Configuration_t ConfigurationDescriptor __SECTION_RODATA =
{
	.Config =
	{
		.Header                 = {.Size = sizeof(USB_Descriptor_Configuration_Header_t), .Type = DTYPE_Configuration},

		.TotalConfigurationSize = sizeof(USB_Descriptor_Configuration_t)-1,
		.TotalInterfaces        = 2,
		.ConfigurationNumber    = 1,
		.ConfigurationStrIndex  = NO_DESCRIPTOR,
		.ConfigAttributes       = (USB_CONFIG_ATTR_BUSPOWERED | USB_CONFIG_ATTR_SELFPOWERED),
		.MaxPowerConsumption    = USB_CONFIG_POWER_MA(CONF_CORE_CURRENT_NOM / 8)		// in 8mA units
	},

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

		.InterfaceNumber        = 0,
		.AlternateSetting       = 0,
		.TotalEndpoints         = 1,
		.Class                  = CDC_CSCP_CDCClass,
		.SubClass               = CDC_CSCP_ACMSubclass,
		.Protocol               = CDC_CSCP_ATCommandProtocol,
		.InterfaceStrIndex      = NO_DESCRIPTOR
	},

	.CDC_Functional_Header =
	{
		.Header                 = {.Size = sizeof(USB_CDC_Descriptor_FunctionalHeader_t), .Type = DTYPE_CSInterface},

		.Subtype                = CDC_DSUBTYPE_CSInterface_Header,
		.CDCSpecification       = VERSION_BCD(01.10),
	},

	.CDC_Functional_ACM =
	{
		.Header                 = {.Size = sizeof(USB_CDC_Descriptor_FunctionalACM_t), .Type = DTYPE_CSInterface},

		.Subtype                = CDC_DSUBTYPE_CSInterface_ACM,
		.Capabilities           = 0x04,												// see PSTN120.pdf
	},

	.CDC_Functional_Union =
	{
		.Header                 = {.Size = sizeof(USB_CDC_Descriptor_FunctionalUnion_t), .Type = DTYPE_CSInterface},

		.Subtype                = CDC_DSUBTYPE_CSInterface_Union,
		.MasterInterfaceNumber  = 0,
		.SlaveInterfaceNumber   = 1,
	},

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

		.EndpointAddress        = (ENDPOINT_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                  = CDC_CSCP_CDCDataClass,
		.SubClass               = CDC_CSCP_NoDataSubclass,
		.Protocol               = CDC_CSCP_NoDataProtocol,
		.InterfaceStrIndex      = NO_DESCRIPTOR
	},

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

		.EndpointAddress        = (ENDPOINT_DIR_OUT | CDC_RX_EPNUM),
		.Attributes             = (EP_TYPE_BULK | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),
		.EndpointSize           = CDC_TXRX_EPSIZE,
		.PollingIntervalMS      = 0x02
	},

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

		.EndpointAddress        = (ENDPOINT_DIR_IN | CDC_TX_EPNUM),
		.Attributes             = (EP_TYPE_BULK | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),
		.EndpointSize           = CDC_TXRX_EPSIZE,
		.PollingIntervalMS      = 0x02
	},
	// Required by IP3511
	.CDC_Termination = 0x00
};