USB Interface

Detailed Description

Interface for USB functions.

Summary

The USB interface provides USB functionality.

Data Structures
struct	usb_cfg_t
struct	usb_api_t
struct	usb_instance_t

Macros
#define	USB_BREQUEST
	b15-8
#define	USB_GET_STATUS
	USB Standard request Get Status.
#define	USB_CLEAR_FEATURE
	USB Standard request Clear Feature.
#define	USB_REQRESERVED
	USB Standard request Reqreserved.
#define	USB_SET_FEATURE
	USB Standard request Set Feature.
#define	USB_REQRESERVED1
	USB Standard request Reqreserved1.
#define	USB_SET_ADDRESS
	USB Standard request Set Address.
#define	USB_GET_DESCRIPTOR
	USB Standard request Get Descriptor.
#define	USB_SET_DESCRIPTOR
	USB Standard request Set Descriptor.
#define	USB_GET_CONFIGURATION
	USB Standard request Get Configuration.
#define	USB_SET_CONFIGURATION
	USB Standard request Set Configuration.
#define	USB_GET_INTERFACE
	USB Standard request Get Interface.
#define	USB_SET_INTERFACE
	USB Standard request Set Interface.
#define	USB_SYNCH_FRAME
	USB Standard request Synch Frame.
#define	USB_HOST_TO_DEV
	From host to device.
#define	USB_DEV_TO_HOST
	From device to host.
#define	USB_STANDARD
	Standard Request.
#define	USB_CLASS
	Class Request.
#define	USB_VENDOR
	Vendor Request.
#define	USB_DEVICE
	Device.
#define	USB_INTERFACE
	Interface.
#define	USB_ENDPOINT
	End Point.
#define	USB_OTHER
	Other.
#define	USB_NULL
	NULL pointer.
#define	USB_IP0
	USB0 module.
#define	USB_IP1
	USB1 module.
#define	USB_PIPE0
	Pipe Number0.
#define	USB_PIPE1
	Pipe Number1.
#define	USB_PIPE2
	Pipe Number2.
#define	USB_PIPE3
	Pipe Number3.
#define	USB_PIPE4
	Pipe Number4.
#define	USB_PIPE5
	Pipe Number5.
#define	USB_PIPE6
	Pipe Number6.
#define	USB_PIPE7
	Pipe Number7.
#define	USB_PIPE8
	Pipe Number8.
#define	USB_PIPE9
	Pipe Number9.
#define	USB_EP0
	End Point Number0.
#define	USB_EP1
	End Point Number1.
#define	USB_EP2
	End Point Number2.
#define	USB_EP3
	End Point Number3.
#define	USB_EP4
	End Point Number4.
#define	USB_EP5
	End Point Number5.
#define	USB_EP6
	End Point Number6.
#define	USB_EP7
	End Point Number7.
#define	USB_EP8
	End Point Number8.
#define	USB_EP9
	End Point Number9.
#define	USB_EP10
	End Point Number10.
#define	USB_EP11
	End Point Number11.
#define	USB_EP12
	End Point Number12.
#define	USB_EP13
	End Point Number13.
#define	USB_EP14
	End Point Number14.
#define	USB_EP15
	End Point Number15.
#define	USB_EP_DIR
	b7: Endpoint Direction
#define	USB_EP_DIR_IN
	b7: Endpoint Direction In
#define	USB_EP_DIR_OUT
	b7: Endpoint Direction Out
#define	USB_DT_DEVICE
	Device Descriptor.
#define	USB_DT_CONFIGURATION
	Configuration Descriptor.
#define	USB_DT_STRING
	String Descriptor.
#define	USB_DT_INTERFACE
	Interface Descriptor.
#define	USB_DT_ENDPOINT
	Endpoint Descriptor.
#define	USB_DT_DEVICE_QUALIFIER
	Device Qualifier Descriptor.
#define	USB_DT_OTHER_SPEED_CONF
	Other Speed Configuration Descriptor.
#define	USB_DT_INTERFACE_POWER
	Interface Power Descriptor.
#define	USB_DT_OTGDESCRIPTOR
	OTG Descriptor.
#define	USB_DT_HUBDESCRIPTOR
	HUB descriptor.
#define	USB_IFCLS_NOT
	Un corresponding Class.
#define	USB_IFCLS_AUD
	Audio Class.
#define	USB_IFCLS_CDC
	CDC Class.
#define	USB_IFCLS_CDCC
	CDC-Control Class.
#define	USB_IFCLS_HID
	HID Class.
#define	USB_IFCLS_PHY
	Physical Class.
#define	USB_IFCLS_IMG
	Image Class.
#define	USB_IFCLS_PRN
	Printer Class.
#define	USB_IFCLS_MAS
	Mass Storage Class.
#define	USB_IFCLS_HUB
	HUB Class.
#define	USB_IFCLS_CDCD
	CDC-Data Class.
#define	USB_IFCLS_CHIP
	Chip/Smart Card Class.
#define	USB_IFCLS_CNT
	Content-Security Class.
#define	USB_IFCLS_VID
	Video Class.
#define	USB_IFCLS_DIAG
	Diagnostic Device.
#define	USB_IFCLS_WIRE
	Wireless Controller.
#define	USB_IFCLS_APL
	Application-Specific.
#define	USB_IFCLS_VEN
	Vendor-Specific Class.
#define	USB_EP_IN
	In Endpoint.
#define	USB_EP_OUT
	Out Endpoint.
#define	USB_EP_ISO
	Isochronous Transfer.
#define	USB_EP_BULK
	Bulk Transfer.
#define	USB_EP_INT
	Interrupt Transfer.
#define	USB_CF_RESERVED
	Reserved(set to 1)
#define	USB_CF_SELFP
	Self Powered.
#define	USB_CF_BUSP
	Bus Powered.
#define	USB_CF_RWUPON
	Remote Wake up ON.
#define	USB_CF_RWUPOFF
	Remote Wake up OFF.
#define	USB_DD_BLENGTH
	Device Descriptor Length.
#define	USB_CD_BLENGTH
	Configuration Descriptor Length.
#define	USB_ID_BLENGTH
	Interface Descriptor Length.
#define	USB_ED_BLENGTH
	Endpoint Descriptor Length.

Typedefs
typedef void	usb_ctrl_t

Enumerations
enum	usb_speed_t
enum	usb_setup_status_t
enum	usb_status_t
enum	usb_class_t
enum	usb_bcport_t
enum	usb_onoff_t
enum	usb_transfer_t
enum	usb_transfer_type_t
enum	usb_mode_t
enum	usb_compliancetest_status_t

---

Data Structure Documentation

usb_cfg_t

struct usb_cfg_t

USB configuration.

Data Fields
usb_mode_t	usb_mode	USB_MODE_HOST/USB_MODE_PERI.
usb_speed_t	usb_speed	USB speed (USB_HS/USB_FS/USB_LS)
uint8_t	module_number	USB module number (USB_IP0/USB_IP1)
usb_class_t	type	USB device class etc.
usb_descriptor_t *	p_usb_reg	Pointer to the usb_decriptor_t structure area.
usb_compliance_cb_t *	usb_complience_cb
IRQn_Type	irq	USBI dedicated interrupt number storage variable.
IRQn_Type	irq_r	USBR dedicated interrupt number storage variable.
IRQn_Type	irq_d0	FS D0FIFO dedicated interrupt number storage variable.
IRQn_Type	irq_d1	FS D1FIFO dedicated interrupt number storage variable.
IRQn_Type	hsirq	USBIR dedicated interrupt number storage variable.
IRQn_Type	hsirq_d0	HS D0FIFO dedicated interrupt number storage variable.
IRQn_Type	hsirq_d1	HS D1FIFO dedicated interrupt number storage variable.
uint8_t	ipl	Variable to store the interrupt priority of USBI.
uint8_t	ipl_r	Variable to store the interrupt priority of USBR.
uint8_t	ipl_d0	Variable to store the interrupt priority of FS D0FIFO.
uint8_t	ipl_d1	Variable to store the interrupt priority of FS D1FIFO.
uint8_t	hsipl	Variable to store the interrupt priority of USBIR.
uint8_t	hsipl_d0	Variable to store the interrupt priority of HS D0FIFO.
uint8_t	hsipl_d1	Variable to store the interrupt priority of HS D1FIFO.
usb_callback_t *	p_usb_apl_callback	Application Callback.
void const *	p_context	Other Context.
const transfer_instance_t *	p_transfer_tx	Send context.
const transfer_instance_t *	p_transfer_rx	Receive context.
void const *	p_extend	Pointer to extended configuration by instance of interface.

usb_api_t

struct usb_api_t

Functions implemented at the HAL layer will follow this API.

Data Fields
fsp_err_t(*	open )(usb_ctrl_t *const p_ctrl, usb_cfg_t const *const p_cfg)
fsp_err_t(*	close )(usb_ctrl_t *const p_ctrl)
fsp_err_t(*	read )(usb_ctrl_t *const p_ctrl, uint8_t *p_buf, uint32_t size, uint8_t destination)
fsp_err_t(*	write )(usb_ctrl_t *const p_ctrl, uint8_t const *const p_buf, uint32_t size, uint8_t destination)
fsp_err_t(*	stop )(usb_ctrl_t *const p_ctrl, usb_transfer_t direction, uint8_t destination)
fsp_err_t(*	suspend )(usb_ctrl_t *const p_ctrl)
fsp_err_t(*	resume )(usb_ctrl_t *const p_ctrl)
fsp_err_t(*	vbusSet )(usb_ctrl_t *const p_ctrl, uint16_t state)
fsp_err_t(*	infoGet )(usb_ctrl_t *const p_ctrl, usb_info_t *p_info, uint8_t destination)
fsp_err_t(*	pipeRead )(usb_ctrl_t *const p_ctrl, uint8_t *p_buf, uint32_t size, uint8_t pipe_number)
fsp_err_t(*	pipeWrite )(usb_ctrl_t *const p_ctrl, uint8_t *p_buf, uint32_t size, uint8_t pipe_number)
fsp_err_t(*	pipeStop )(usb_ctrl_t *const p_ctrl, uint8_t pipe_number)
fsp_err_t(*	usedPipesGet )(usb_ctrl_t *const p_ctrl, uint16_t *p_pipe, uint8_t destination)
fsp_err_t(*	pipeInfoGet )(usb_ctrl_t *const p_ctrl, usb_pipe_t *p_info, uint8_t pipe_number)
fsp_err_t(*	eventGet )(usb_ctrl_t *const p_ctrl, usb_status_t *event)
fsp_err_t(*	callback )(usb_callback_t *p_callback)
fsp_err_t(*	pullUp )(usb_ctrl_t *const p_ctrl, uint8_t state)
fsp_err_t(*	hostControlTransfer )(usb_ctrl_t *const p_ctrl, usb_setup_t *p_setup, uint8_t *p_buf, uint8_t device_address)
fsp_err_t(*	periControlDataGet )(usb_ctrl_t *const p_ctrl, uint8_t *p_buf, uint32_t size)
fsp_err_t(*	periControlDataSet )(usb_ctrl_t *const p_ctrl, uint8_t *p_buf, uint32_t size)
fsp_err_t(*	periControlStatusSet )(usb_ctrl_t *const p_ctrl, usb_setup_status_t status)
fsp_err_t(*	remoteWakeup )(usb_ctrl_t *const p_ctrl)
fsp_err_t(*	driverActivate )(usb_ctrl_t *const p_api_ctrl)
fsp_err_t(*	callbackMemorySet )(usb_ctrl_t *const p_api_ctrl, usb_callback_args_t *p_callback_memory)
fsp_err_t(*	moduleNumberGet )(usb_ctrl_t *const p_ctrl, uint8_t *module_number)
fsp_err_t(*	classTypeGet )(usb_ctrl_t *const p_ctrl, usb_class_t *class_type)
fsp_err_t(*	deviceAddressGet )(usb_ctrl_t *const p_ctrl, uint8_t *device_address)
fsp_err_t(*	pipeNumberGet )(usb_ctrl_t *const p_ctrl, uint8_t *pipe_number)
fsp_err_t(*	deviceStateGet )(usb_ctrl_t *const p_ctrl, uint16_t *state)
fsp_err_t(*	dataSizeGet )(usb_ctrl_t *const p_ctrl, uint32_t *data_size)
fsp_err_t(*	setupGet )(usb_ctrl_t *const p_ctrl, usb_setup_t *setup)
fsp_err_t(*	otgCallbackSet )(usb_ctrl_t *const p_ctrl, usb_otg_callback_t *p_callback)
fsp_err_t(*	otgSRP )(usb_ctrl_t *const p_ctrl)

Field Documentation

open

fsp_err_t(* usb_api_t::open) (usb_ctrl_t *const p_ctrl, usb_cfg_t const *const p_cfg)

Start the USB module

Parameters

[in]	p_ctrl	Pointer to control structure.
[in]	p_cfg	Pointer to configuration structure.

close

fsp_err_t(* usb_api_t::close) (usb_ctrl_t *const p_ctrl)

Stop the USB module

Parameters

[in]

p_ctrl

Pointer to control structure.

read

fsp_err_t(* usb_api_t::read) (usb_ctrl_t *const p_ctrl, uint8_t *p_buf, uint32_t size, uint8_t destination)

Request USB data read

Parameters

[in]	p_ctrl	Pointer to control structure.
[in]	p_buf	Pointer to area that stores read data.
[in]	size	Read request size.
[in]	destination	In Host mode, it represents the device address, and in Peripheral mode, it represents the device class.

write

fsp_err_t(* usb_api_t::write) (usb_ctrl_t *const p_ctrl, uint8_t const *const p_buf, uint32_t size, uint8_t destination)

Request USB data write

Parameters

[in]	p_ctrl	Pointer to control structure.
[in]	p_buf	Pointer to area that stores write data.
[in]	size	Read request size.
[in]	destination	In Host mode, it represents the device address, and in Peripheral mode, it represents the device class.

stop

fsp_err_t(* usb_api_t::stop) (usb_ctrl_t *const p_ctrl, usb_transfer_t direction, uint8_t destination)

Stop USB data read/write processing

Parameters

[in]	p_ctrl	Pointer to control structure.
[in]	direction	Receive (USB_TRANSFER_READ) or send (USB_TRANSFER_WRITE).
[in]	destination	In Host mode, it represents the device address, and in Peripheral mode, it represents the device class.

suspend

fsp_err_t(* usb_api_t::suspend) (usb_ctrl_t *const p_ctrl)

Request suspend

Parameters

[in]

p_ctrl

Pointer to control structure.

resume

fsp_err_t(* usb_api_t::resume) (usb_ctrl_t *const p_ctrl)

Request resume

Parameters

[in]

p_ctrl

Pointer to control structure.

vbusSet

fsp_err_t(* usb_api_t::vbusSet) (usb_ctrl_t *const p_ctrl, uint16_t state)

Sets VBUS supply start/stop.

Parameters

[in]	p_ctrl	Pointer to control structure.
[in]	state	VBUS supply start/stop specification

infoGet

fsp_err_t(* usb_api_t::infoGet) (usb_ctrl_t *const p_ctrl, usb_info_t *p_info, uint8_t destination)

Get information on USB device.

Parameters

[in]	p_ctrl	Pointer to control structure.
[in]	p_info	Pointer to usb_info_t structure area.
[in]	destination	Device address for Host.

pipeRead

fsp_err_t(* usb_api_t::pipeRead) (usb_ctrl_t *const p_ctrl, uint8_t *p_buf, uint32_t size, uint8_t pipe_number)

Request data read from specified pipe

Parameters

[in]	p_ctrl	Pointer to control structure.
[in]	p_buf	Pointer to area that stores read data.
[in]	size	Read request size.
[in]	pipe_number	Pipe Number.

pipeWrite

fsp_err_t(* usb_api_t::pipeWrite) (usb_ctrl_t *const p_ctrl, uint8_t *p_buf, uint32_t size, uint8_t pipe_number)

Request data write to specified pipe

Parameters

[in]	p_ctrl	Pointer to control structure.
[in]	p_buf	Pointer to area that stores write data.
[in]	size	Read request size.
[in]	pipe_number	Pipe Number.

pipeStop

fsp_err_t(* usb_api_t::pipeStop) (usb_ctrl_t *const p_ctrl, uint8_t pipe_number)

Stop USB data read/write processing to specified pipe

Parameters

[in]	p_ctrl	Pointer to control structure.
[in]	pipe_number	Pipe Number.

usedPipesGet

fsp_err_t(* usb_api_t::usedPipesGet) (usb_ctrl_t *const p_ctrl, uint16_t *p_pipe, uint8_t destination)

Get pipe number

Parameters

[in]	p_ctrl	Pointer to control structure.
[in]	p_pipe	Pointer to area that stores the selected pipe number (bit map information).
[in]	destination	Device address for Host.

pipeInfoGet

fsp_err_t(* usb_api_t::pipeInfoGet) (usb_ctrl_t *const p_ctrl, usb_pipe_t *p_info, uint8_t pipe_number)

Get pipe information

Parameters

[in]	p_ctrl	Pointer to control structure.
[in]	p_info	Pointer to usb_pipe_t structure area.
[in]	pipe_number	Pipe Number.

eventGet

fsp_err_t(* usb_api_t::eventGet) (usb_ctrl_t *const p_ctrl, usb_status_t *event)

Return USB-related completed events (OS less only)

Parameters

[in]	p_ctrl	Pointer to control structure.
[out]	event	Pointer to event.

callback

fsp_err_t(* usb_api_t::callback) (usb_callback_t *p_callback)

Register a callback function to be called upon completion of a USB related event. (RTOS only)

Parameters

[in]

p_callback

Pointer to Callback function.

pullUp

fsp_err_t(* usb_api_t::pullUp) (usb_ctrl_t *const p_ctrl, uint8_t state)

Pull-up enable/disable setting of D+/D- line.

Parameters

[in]	p_ctrl	Pointer to control structure.
[in]	state	Pull-up enable/disable setting.

hostControlTransfer

fsp_err_t(* usb_api_t::hostControlTransfer) (usb_ctrl_t *const p_ctrl, usb_setup_t *p_setup, uint8_t *p_buf, uint8_t device_address)

Performs settings and transmission processing when transmitting a setup packet.

Parameters

[in]	p_ctrl	USB control structure.
[in]	p_setup	Setup packet information.
[in]	p_buf	Transfer area information.
[in]	device_address	Device address information.

periControlDataGet

fsp_err_t(* usb_api_t::periControlDataGet) (usb_ctrl_t *const p_ctrl, uint8_t *p_buf, uint32_t size)

Receives data sent by control transfer.

Parameters

[in]	p_ctrl	USB control structure.
[in]	p_buf	Data reception area information.
[in]	size	Data reception size information.

periControlDataSet

fsp_err_t(* usb_api_t::periControlDataSet) (usb_ctrl_t *const p_ctrl, uint8_t *p_buf, uint32_t size)

Performs transfer processing for control transfer.

Parameters

[in]	p_ctrl	USB control structure.
[in]	p_buf	Area information for data transfer.
[in]	size	Transfer size information.

periControlStatusSet

fsp_err_t(* usb_api_t::periControlStatusSet) (usb_ctrl_t *const p_ctrl, usb_setup_status_t status)

Set the response to the setup packet.

Parameters

[in]	p_ctrl	USB control structure.
[in]	status	USB port startup information.

remoteWakeup

fsp_err_t(* usb_api_t::remoteWakeup) (usb_ctrl_t *const p_ctrl)

Sends a remote wake-up signal to the connected Host.

Parameters

[in]

p_ctrl

USB control structure.

driverActivate

fsp_err_t(* usb_api_t::driverActivate) (usb_ctrl_t *const p_api_ctrl)

Activate USB Driver

Parameters

[in]

p_api_ctrl

USB control structure.

callbackMemorySet

fsp_err_t(* usb_api_t::callbackMemorySet) (usb_ctrl_t *const p_api_ctrl, usb_callback_args_t *p_callback_memory)

Set callback memory to USB driver.

Parameters

[in]	p_api_ctrl	USB control structure.
[in]	p_callback_memory	Pointer to store USB event information.

moduleNumberGet

fsp_err_t(* usb_api_t::moduleNumberGet) (usb_ctrl_t *const p_ctrl, uint8_t *module_number)

This API gets the module number.

Parameters

[in]	p_ctrl	USB control structure.
[out]	module_number	Module number to get.

classTypeGet

fsp_err_t(* usb_api_t::classTypeGet) (usb_ctrl_t *const p_ctrl, usb_class_t *class_type)

This API gets the module number.

Parameters

[in]	p_ctrl	USB control structure.
[out]	class_type	Class type to get.

deviceAddressGet

fsp_err_t(* usb_api_t::deviceAddressGet) (usb_ctrl_t *const p_ctrl, uint8_t *device_address)

This API gets the device address.

Parameters

[in]	p_ctrl	USB control structure.
[out]	device_address	Device address to get.

pipeNumberGet

fsp_err_t(* usb_api_t::pipeNumberGet) (usb_ctrl_t *const p_ctrl, uint8_t *pipe_number)

This API gets the pipe number.

Parameters

[in]	p_ctrl	USB control structure.
[out]	pipe_number	Pipe number to get.

deviceStateGet

fsp_err_t(* usb_api_t::deviceStateGet) (usb_ctrl_t *const p_ctrl, uint16_t *state)

This API gets the state of the device.

Parameters

[in]	p_ctrl	USB control structure.
[out]	state	Device state to get.

dataSizeGet

fsp_err_t(* usb_api_t::dataSizeGet) (usb_ctrl_t *const p_ctrl, uint32_t *data_size)

This API gets the data size.

Parameters

[in]	p_ctrl	USB control structure.
[out]	data_size	Data size to get.

setupGet

fsp_err_t(* usb_api_t::setupGet) (usb_ctrl_t *const p_ctrl, usb_setup_t *setup)

This API gets the setup type.

Parameters

[in]	p_ctrl	USB control structure.
[out]	setup	Setup type to get.

otgCallbackSet

fsp_err_t(* usb_api_t::otgCallbackSet) (usb_ctrl_t *const p_ctrl, usb_otg_callback_t *p_callback)

This API sets the callback function for OTG.

Parameters

[in]	p_ctrl	USB control structure.
[in]	p_callback	Pointer to the callback function for OTG.

otgSRP

fsp_err_t(* usb_api_t::otgSRP) (usb_ctrl_t *const p_ctrl)

This API starts SRP processing for OTG.

Parameters

[in]

p_ctrl

USB control structure.

usb_instance_t

struct usb_instance_t

This structure encompasses everything that is needed to use an instance of this interface.

Data Fields
usb_ctrl_t *	p_ctrl	Pointer to the control structure for this instance.
usb_cfg_t const *	p_cfg	Pointer to the configuration structure for this instance.
usb_api_t const *	p_api	Pointer to the API structure for this instance.

Typedef Documentation

usb_ctrl_t

typedef void usb_ctrl_t

USB control block. Allocate an instance specific control block to pass into the USB API calls.

Enumeration Type Documentation

usb_speed_t

enum usb_speed_t

USB speed type

Enumerator
USB_SPEED_LS	Low speed operation.
USB_SPEED_FS	Full speed operation.
USB_SPEED_HS	Hi speed operation.

usb_setup_status_t

enum usb_setup_status_t

USB request result

Enumerator
USB_SETUP_STATUS_ACK	ACK response.
USB_SETUP_STATUS_STALL	STALL response.

usb_status_t

enum usb_status_t

USB driver status

Enumerator
USB_STATUS_POWERED	Powered State.
USB_STATUS_DEFAULT	Default State.
USB_STATUS_ADDRESS	Address State.
USB_STATUS_CONFIGURED	Configured State.
USB_STATUS_SUSPEND	Suspend State.
USB_STATUS_RESUME	Resume State.
USB_STATUS_DETACH	Detach State.
USB_STATUS_REQUEST	Request State.
USB_STATUS_REQUEST_COMPLETE	Request Complete State.
USB_STATUS_READ_COMPLETE	Read Complete State.
USB_STATUS_WRITE_COMPLETE	Write Complete State.
USB_STATUS_BC	battery Charge State
USB_STATUS_OVERCURRENT	Over Current state.
USB_STATUS_NOT_SUPPORT	Device Not Support.
USB_STATUS_NONE	None Status.
USB_STATUS_MSC_CMD_COMPLETE	MSC_CMD Complete.

usb_class_t

enum usb_class_t

USB class type

Enumerator
USB_CLASS_PCDC	PCDC Class.
USB_CLASS_PCDCC	PCDCC Class.
USB_CLASS_PCDC2	PCDC2 Class.
USB_CLASS_PCDCC2	PCDCC2 Class.
USB_CLASS_PHID	PHID Class.
USB_CLASS_PHID2	PHID2 Class.
USB_CLASS_PAUD	PAUD Class.
USB_CLASS_PPRN	PPRN Class.
USB_CLASS_DFU	DFU Class.
USB_CLASS_PVND	PVND Class.
USB_CLASS_HCDC	HCDC Class.
USB_CLASS_HCDCC	HCDCC Class.
USB_CLASS_HHID	HHID Class.
USB_CLASS_HVND	HVND Class.
USB_CLASS_HMSC	HMSC Class.
USB_CLASS_PMSC	PMSC Class.
USB_CLASS_HPRN	HPRN Class.
USB_CLASS_HUVC	HUVC Class.
USB_CLASS_HAUD	HAUD Class.
USB_CLASS_REQUEST	USB Class Request.
USB_CLASS_HUB	HUB Class.
USB_CLASS_END	USB Class End Code.

usb_bcport_t

enum usb_bcport_t

USB battery charging type

Enumerator
USB_BCPORT_SDP	SDP port settings.
USB_BCPORT_CDP	CDP port settings.
USB_BCPORT_DCP	DCP port settings.

usb_onoff_t

enum usb_onoff_t

USB status

Enumerator
USB_OFF	USB Off State.
USB_ON	USB On State.

usb_transfer_t

enum usb_transfer_t

USB read/write type

Enumerator
USB_TRANSFER_READ	Data Receive communication.
USB_TRANSFER_WRITE	Data transmission communication.

usb_transfer_type_t

enum usb_transfer_type_t

USB transfer type

Enumerator
USB_TRANSFER_TYPE_BULK	Bulk communication.
USB_TRANSFER_TYPE_INT	Interrupt communication.
USB_TRANSFER_TYPE_ISO	Isochronous communication.

usb_mode_t

enum usb_mode_t

Enumerator
USB_MODE_HOST	Host mode.
USB_MODE_PERI	Peripheral mode.

usb_compliancetest_status_t

enum usb_compliancetest_status_t

Enumerator
USB_COMPLIANCETEST_ATTACH	Device Attach Detection.
USB_COMPLIANCETEST_DETACH	Device Detach Detection.
USB_COMPLIANCETEST_TPL	TPL device connect.
USB_COMPLIANCETEST_NOTTPL	Not TPL device connect.
USB_COMPLIANCETEST_HUB	USB Hub connect.
USB_COMPLIANCETEST_OVRC	Over current.
USB_COMPLIANCETEST_NORES	Response Time out for Control Read Transfer.
USB_COMPLIANCETEST_SETUP_ERR	Setup Transaction Error.