USB Setup request package.

#include <em_usb.h>

Data Fields
union {
struct {
union {
struct {
uint8_t Recipient: 5
	Request recipient (device, interface, endpoint or other).

uint8_t Type: 2
	Request type (standard, class or vendor).

uint8_t Direction: 1
	Transfer direction of SETUP data phase.

}

uint8_t bmRequestType
	Request characteristics.

}

uint8_t bRequest
	Request code.

uint16_t wValue
	Varies according to request.

uint16_t wIndex
	Index or offset, varies according to request.

uint16_t wLength
	Number of bytes to transfer if there is a data stage.

}

uint32_t dw [2]

};

USB Setup request package.

Field Documentation

◆ Recipient

uint8_t USB_Setup_TypeDef::Recipient

Request recipient (device, interface, endpoint or other).

uint8_t USB_Setup_TypeDef::Type

Request type (standard, class or vendor).

uint8_t USB_Setup_TypeDef::Direction

Transfer direction of SETUP data phase.

uint8_t USB_Setup_TypeDef::bmRequestType

Request characteristics.

uint8_t USB_Setup_TypeDef::bRequest

Request code.

uint16_t USB_Setup_TypeDef::wValue

Varies according to request.

uint16_t USB_Setup_TypeDef::wIndex

Index or offset, varies according to request.

uint16_t USB_Setup_TypeDef::wLength

Number of bytes to transfer if there is a data stage.