The following structures provide predefined USB interface descriptors.

It must be used to define the final USB descriptors.

Data Structures
struct	udi_cdc_comm_desc_t
	Communication Class interface descriptor. More...

struct	udi_cdc_data_desc_t
	Data Class interface descriptor. More...

Macros
#define	UDI_CDC_COMM_DESC(port)
	Content of CDC COMM interface descriptor for all speeds. More...

#define	UDI_CDC_COMM_EP_SIZE 64
	CDC communication endpoints size for all speeds. More...

#define	UDI_CDC_DATA_DESC_COMMON
	Content of CDC DATA interface descriptors. More...

#define	UDI_CDC_DATA_DESC_FS(port)

#define	UDI_CDC_DATA_DESC_HS(port)

#define	UDI_CDC_DATA_EPS_FS_SIZE 64
	CDC data endpoints size for FS speed (8B, 16B, 32B, 64B) More...

#define	UDI_CDC_DATA_EPS_HS_SIZE 512
	CDC data endpoints size for HS speed (512B only) More...

#define	UDI_CDC_IAD_DESC(port)
	Content of CDC IAD interface descriptor for all speeds. More...

Content of interface descriptors
Up to 7 CDC interfaces can be implemented on a USB device.
#define	UDI_CDC_IAD_DESC_0 UDI_CDC_IAD_DESC(0)
	By default no string associated to these interfaces. More...

#define	UDI_CDC_COMM_DESC_0 UDI_CDC_COMM_DESC(0)

#define	UDI_CDC_DATA_DESC_0_FS UDI_CDC_DATA_DESC_FS(0)

#define	UDI_CDC_DATA_DESC_0_HS UDI_CDC_DATA_DESC_HS(0)

#define	UDI_CDC_IAD_DESC_1 UDI_CDC_IAD_DESC(1)
	By default no string associated to these interfaces. More...

#define	UDI_CDC_COMM_DESC_1 UDI_CDC_COMM_DESC(1)

#define	UDI_CDC_DATA_DESC_1_FS UDI_CDC_DATA_DESC_FS(1)

#define	UDI_CDC_DATA_DESC_1_HS UDI_CDC_DATA_DESC_HS(1)

#define	UDI_CDC_IAD_DESC_2 UDI_CDC_IAD_DESC(2)
	By default no string associated to these interfaces. More...

#define	UDI_CDC_COMM_DESC_2 UDI_CDC_COMM_DESC(2)

#define	UDI_CDC_DATA_DESC_2_FS UDI_CDC_DATA_DESC_FS(2)

#define	UDI_CDC_DATA_DESC_2_HS UDI_CDC_DATA_DESC_HS(2)

#define	UDI_CDC_IAD_DESC_3 UDI_CDC_IAD_DESC(3)
	By default no string associated to these interfaces. More...

#define	UDI_CDC_COMM_DESC_3 UDI_CDC_COMM_DESC(3)

#define	UDI_CDC_DATA_DESC_3_FS UDI_CDC_DATA_DESC_FS(3)

#define	UDI_CDC_DATA_DESC_3_HS UDI_CDC_DATA_DESC_HS(3)

#define	UDI_CDC_IAD_DESC_4 UDI_CDC_IAD_DESC(4)
	By default no string associated to these interfaces. More...

#define	UDI_CDC_COMM_DESC_4 UDI_CDC_COMM_DESC(4)

#define	UDI_CDC_DATA_DESC_4_FS UDI_CDC_DATA_DESC_FS(4)

#define	UDI_CDC_DATA_DESC_4_HS UDI_CDC_DATA_DESC_HS(4)

#define	UDI_CDC_IAD_DESC_5 UDI_CDC_IAD_DESC(5)
	By default no string associated to these interfaces. More...

#define	UDI_CDC_COMM_DESC_5 UDI_CDC_COMM_DESC(5)

#define	UDI_CDC_DATA_DESC_5_FS UDI_CDC_DATA_DESC_FS(5)

#define	UDI_CDC_DATA_DESC_5_HS UDI_CDC_DATA_DESC_HS(5)

#define	UDI_CDC_IAD_DESC_6 UDI_CDC_IAD_DESC(6)
	By default no string associated to these interfaces. More...

#define	UDI_CDC_COMM_DESC_6 UDI_CDC_COMM_DESC(6)

#define	UDI_CDC_DATA_DESC_6_FS UDI_CDC_DATA_DESC_FS(6)

#define	UDI_CDC_DATA_DESC_6_HS UDI_CDC_DATA_DESC_HS(6)

#define UDI_CDC_COMM_DESC ( port )

Content of CDC COMM interface descriptor for all speeds.

#define UDI_CDC_COMM_DESC_0 UDI_CDC_COMM_DESC(0)

#define UDI_CDC_COMM_DESC_1 UDI_CDC_COMM_DESC(1)

#define UDI_CDC_COMM_DESC_2 UDI_CDC_COMM_DESC(2)

#define UDI_CDC_COMM_DESC_3 UDI_CDC_COMM_DESC(3)

#define UDI_CDC_COMM_DESC_4 UDI_CDC_COMM_DESC(4)

#define UDI_CDC_COMM_DESC_5 UDI_CDC_COMM_DESC(5)

#define UDI_CDC_COMM_DESC_6 UDI_CDC_COMM_DESC(6)

#define UDI_CDC_COMM_EP_SIZE 64

CDC communication endpoints size for all speeds.

#define UDI_CDC_DATA_DESC_0_FS UDI_CDC_DATA_DESC_FS(0)

#define UDI_CDC_DATA_DESC_0_HS UDI_CDC_DATA_DESC_HS(0)

#define UDI_CDC_DATA_DESC_1_FS UDI_CDC_DATA_DESC_FS(1)

#define UDI_CDC_DATA_DESC_1_HS UDI_CDC_DATA_DESC_HS(1)

#define UDI_CDC_DATA_DESC_2_FS UDI_CDC_DATA_DESC_FS(2)

#define UDI_CDC_DATA_DESC_2_HS UDI_CDC_DATA_DESC_HS(2)

#define UDI_CDC_DATA_DESC_3_FS UDI_CDC_DATA_DESC_FS(3)

#define UDI_CDC_DATA_DESC_3_HS UDI_CDC_DATA_DESC_HS(3)

#define UDI_CDC_DATA_DESC_4_FS UDI_CDC_DATA_DESC_FS(4)

#define UDI_CDC_DATA_DESC_4_HS UDI_CDC_DATA_DESC_HS(4)

#define UDI_CDC_DATA_DESC_5_FS UDI_CDC_DATA_DESC_FS(5)

#define UDI_CDC_DATA_DESC_5_HS UDI_CDC_DATA_DESC_HS(5)

#define UDI_CDC_DATA_DESC_6_FS UDI_CDC_DATA_DESC_FS(6)

#define UDI_CDC_DATA_DESC_6_HS UDI_CDC_DATA_DESC_HS(6)

#define UDI_CDC_DATA_DESC_COMMON

Value:

.iface.bLength                = sizeof(usb_iface_desc_t),\
   .iface.bDescriptorType        = USB_DT_INTERFACE,\
   .iface.bAlternateSetting      = 0,\
   .iface.bNumEndpoints          = 2,\
   .iface.bInterfaceClass        = CDC_CLASS_DATA,\
   .iface.bInterfaceSubClass     = 0,\
   .iface.bInterfaceProtocol     = 0,\
   .ep_in.bLength                = sizeof(usb_ep_desc_t),\
   .ep_in.bDescriptorType        = USB_DT_ENDPOINT,\
   .ep_in.bmAttributes           = USB_EP_TYPE_BULK,\
   .ep_in.bInterval              = 0,\
   .ep_out.bLength               = sizeof(usb_ep_desc_t),\
   .ep_out.bDescriptorType       = USB_DT_ENDPOINT,\
   .ep_out.bmAttributes          = USB_EP_TYPE_BULK,\
   .ep_out.bInterval             = 0,

Content of CDC DATA interface descriptors.

#define UDI_CDC_DATA_DESC_FS ( port )

Value:

{ \
   UDI_CDC_DATA_DESC_COMMON \
   .ep_in.wMaxPacketSize         = LE16(UDI_CDC_DATA_EPS_FS_SIZE),\
   .ep_out.wMaxPacketSize        = LE16(UDI_CDC_DATA_EPS_FS_SIZE),\
   .ep_in.bEndpointAddress       = UDI_CDC_DATA_EP_IN_##port,\
   .ep_out.bEndpointAddress      = UDI_CDC_DATA_EP_OUT_##port,\
   .iface.bInterfaceNumber       = UDI_CDC_DATA_IFACE_NUMBER_##port,\
   .iface.iInterface             = UDI_CDC_DATA_STRING_ID_##port,\
   }

#define UDI_CDC_DATA_DESC_HS ( port )

Value:

{ \
   UDI_CDC_DATA_DESC_COMMON \
   .ep_in.wMaxPacketSize         = LE16(UDI_CDC_DATA_EPS_HS_SIZE),\
   .ep_out.wMaxPacketSize        = LE16(UDI_CDC_DATA_EPS_HS_SIZE),\
   .ep_in.bEndpointAddress       = UDI_CDC_DATA_EP_IN_##port,\
   .ep_out.bEndpointAddress      = UDI_CDC_DATA_EP_OUT_##port,\
   .iface.bInterfaceNumber       = UDI_CDC_DATA_IFACE_NUMBER_##port,\
   .iface.iInterface             = UDI_CDC_DATA_STRING_ID_##port,\
   }

#define UDI_CDC_DATA_EPS_FS_SIZE 64

CDC data endpoints size for FS speed (8B, 16B, 32B, 64B)

#define UDI_CDC_DATA_EPS_HS_SIZE 512

CDC data endpoints size for HS speed (512B only)

#define UDI_CDC_IAD_DESC ( port )

Value:

{ \
   .bLength                      = sizeof(usb_iad_desc_t),\
   .bDescriptorType              = USB_DT_IAD,\
   .bInterfaceCount              = 2,\
   .bFunctionClass               = CDC_CLASS_COMM,\
   .bFunctionSubClass            = CDC_SUBCLASS_ACM,\
   .bFunctionProtocol            = CDC_PROTOCOL_V25TER,\
   .bFirstInterface              = UDI_CDC_COMM_IFACE_NUMBER_##port,\
   .iFunction                    = UDI_CDC_IAD_STRING_ID_##port,\
   }

Content of CDC IAD interface descriptor for all speeds.

#define UDI_CDC_IAD_DESC_0 UDI_CDC_IAD_DESC(0)