USBD_Init_TypeDef Struct Reference

USB Device stack initialization structure.

#include <em_usb.h>

Data Fields

const USB_DeviceDescriptor_TypeDefdeviceDescriptor
 Pointer to a device descriptor.
 
const uint8_t * configDescriptor
 Pointer to a configuration descriptor.
 
const void *const * stringDescriptors
 Pointer to an array of string descriptor pointers.
 
const uint8_t numberOfStrings
 Number of strings in string descriptor array.
 
const uint8_t * bufferingMultiplier
 Pointer to an array defining the size of the endpoint buffers.
 
USBD_Callbacks_TypeDef_Pointer callbacks
 Pointer to struct with callbacks (USBD_Callbacks_TypeDef).
 
const uint32_t reserved
 Reserved for future use.
 

USB Device stack initialization structure.

This structure is passed to USBD_Init() when starting up the device.

Field Documentation

◆ deviceDescriptor

const USB_DeviceDescriptor_TypeDef* USBD_Init_TypeDef::deviceDescriptor

Pointer to a device descriptor.


◆ configDescriptor

const uint8_t* USBD_Init_TypeDef::configDescriptor

Pointer to a configuration descriptor.


◆ stringDescriptors

const void* const * USBD_Init_TypeDef::stringDescriptors

Pointer to an array of string descriptor pointers.

◆ numberOfStrings

const uint8_t USBD_Init_TypeDef::numberOfStrings

Number of strings in string descriptor array.


◆ bufferingMultiplier

const uint8_t* USBD_Init_TypeDef::bufferingMultiplier

Pointer to an array defining the size of the endpoint buffers.

The size is given in multiples of endpoint size. Generally a value of 1 (single) or 2 (double) buffering should be used.

◆ callbacks

USBD_Callbacks_TypeDef_Pointer USBD_Init_TypeDef::callbacks

Pointer to struct with callbacks (USBD_Callbacks_TypeDef).

These callbacks are used by the device stack to signal events to or query the application.

◆ reserved

const uint32_t USBD_Init_TypeDef::reserved

Reserved for future use.