USB Component  Version 6.16.1
MDK Middleware for USB Device and Host Communication
Data Types

Data Types used by USB Device component. More...

Structures

struct  USBD_STATE
 USB Device State structure. More...
 
struct  USB_SETUP_PACKET
 USB Setup Packet structure. More...
 
struct  CDC_LINE_CODING
 CDC Line Coding structure. More...
 
struct  CDC_NCM_NTB_PARAM
 CDC NCM NTB Parameters structure. More...
 

Description

Data Types used by USB Device component.


Data Structure Documentation

◆ USBD_STATE

struct USBD_STATE

USB Device State structure.

Used in

Data Fields
uint32_t vbus: 1 USB Device VBUS state.
uint32_t speed: 2 USB Device enumerated speed (USB_SPEED_LOW, USB_SPEED_FULL or USB_SPEED_HIGH)
uint32_t active: 1 USB Device bus activity.

◆ USB_SETUP_PACKET

struct USB_SETUP_PACKET

USB Setup Packet structure.

Used in

Used in

Data Fields
USB_REQUEST_TYPE bmRequestType Characteristics of request.
uint8_t bRequest Specific request.
uint16_t wValue Value according to request.
uint16_t wIndex Index or Offset according to request.
uint16_t wLength Number of bytes to transfer if there is a Data stage.

◆ CDC_LINE_CODING

struct CDC_LINE_CODING

CDC Line Coding structure.

Used in

Used in

Data Fields
uint32_t dwDTERate Data terminal rate in bits per second.
uint8_t bCharFormat Number of stop bits.
uint8_t bParityType Parity bit type.
uint8_t bDataBits Number of data bits.

◆ CDC_NCM_NTB_PARAM

struct CDC_NCM_NTB_PARAM

CDC NCM NTB Parameters structure.

Used in

Data Fields
uint16_t wLength Size of this structure, in bytes = 1Ch.
uint16_t bmNtbFormatsSupported Bit 0: 16-bit NTB supported (set to 1), Bit 1: 32-bit NTB supported, Bits 2 .. 15: reserved.
uint32_t dwNtbInMaxSize IN NTB Maximum Size in bytes.
uint16_t wNdpInDivisor Divisor used for IN NTB Datagram payload alignment.
uint16_t wNdpInPayloadRemainder Remainder used to align input datagram payload within the NTB.
uint16_t wNdpInAlignment NDP alignment modulus for NTBs on the IN pipe. Shall be a power of 2, and shall be at least 4.
uint32_t dwNtbOutMaxSize OUT NTB Maximum Size.
uint16_t wNdpOutDivisor OUT NTB Datagram alignment modulus.
uint16_t wNdpOutPayloadRemainder Remainder used to align output datagram payload offsets within the NTB.
uint16_t wNdpOutAlignment NDP alignment modulus for use in NTBs on the OUT pipe. Shall be a power of 2, and shall be at least 4.