harmony(鸿蒙)JS API Changes of the USB Subsystem

2022-08-09
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JS API Changes of the USB Subsystem

The table below lists the APIs changes of the USB subsystem in OpenHarmony 3.1 Release over OpenHarmony 3.0 LTS.

API Changes

Module	Class	Method/Attribute/Enumeration/Constant	Change Type
ohos.usb	USBRequestDirection	USB_REQUEST_DIR_FROM_DEVICE = 0x80	Added
ohos.usb	USBRequestDirection	USB_REQUEST_DIR_TO_DEVICE = 0	Added
ohos.usb	USBControlRequestType	USB_REQUEST_TYPE_VENDOR	Added
ohos.usb	USBControlRequestType	USB_REQUEST_TYPE_CLASS	Added
ohos.usb	USBControlRequestType	USB_REQUEST_TYPE_STANDARD = 0	Added
ohos.usb	USBRequestTargetType	USB_REQUEST_TARGET_OTHER	Added
ohos.usb	USBRequestTargetType	USB_REQUEST_TARGET_ENDPOINT	Added
ohos.usb	USBRequestTargetType	USB_REQUEST_TARGET_INTERFACE	Added
ohos.usb	USBRequestTargetType	USB_REQUEST_TARGET_DEVICE = 0	Added
ohos.usb	USBControlParams	data: Uint8Array;	Added
ohos.usb	USBControlParams	index: number;	Added
ohos.usb	USBControlParams	value: number;	Added
ohos.usb	USBControlParams	reqType: USBControlRequestType;	Added
ohos.usb	USBControlParams	target: USBRequestTargetType;	Added
ohos.usb	USBControlParams	request: number;	Added
ohos.usb	USBDevicePipe	devAddress: number;	Added
ohos.usb	USBDevicePipe	busNum: number;	Added
ohos.usb	USBDevice	configs: Array<USBConfig>;	Added
ohos.usb	USBDevice	protocol: number;	Added
ohos.usb	USBDevice	subClass: number;	Added
ohos.usb	USBDevice	clazz: number;	Added
ohos.usb	USBDevice	productId: number;	Added
ohos.usb	USBDevice	vendorId: number;	Added
ohos.usb	USBDevice	version: string;	Added
ohos.usb	USBDevice	productName: string;	Added
ohos.usb	USBDevice	manufacturerName: string;	Added
ohos.usb	USBDevice	name: string;	Added
ohos.usb	USBDevice	serial: string;	Added
ohos.usb	USBDevice	devAddress: number;	Added
ohos.usb	USBDevice	busNum: number;	Added
ohos.usb	USBConfig	interfaces: Array<USBInterface>;	Added
ohos.usb	USBConfig	isSelfPowered: boolean;	Added
ohos.usb	USBConfig	isRemoteWakeup: boolean;	Added
ohos.usb	USBConfig	name: string;	Added
ohos.usb	USBConfig	maxPower: number;	Added
ohos.usb	USBConfig	attributes: number;	Added
ohos.usb	USBConfig	id: number;	Added
ohos.usb	USBInterface	endpoints: Array<USBEndpoint>;	Added
ohos.usb	USBInterface	name: string;	Added
ohos.usb	USBInterface	alternateSetting: number;	Added
ohos.usb	USBInterface	subClass: number;	Added
ohos.usb	USBInterface	clazz: number;	Added
ohos.usb	USBInterface	protocol: number;	Added
ohos.usb	USBInterface	id: number;	Added
ohos.usb	USBEndpoint	interfaceId: number;	Added
ohos.usb	USBEndpoint	type: number;	Added
ohos.usb	USBEndpoint	number: number;	Added
ohos.usb	USBEndpoint	direction: USBRequestDirection;	Added
ohos.usb	USBEndpoint	maxPacketSize: number;	Added
ohos.usb	USBEndpoint	interval: number;	Added
ohos.usb	USBEndpoint	attributes: number;	Added
ohos.usb	USBEndpoint	address: number;	Added
ohos.usb	usb	closePipe(pipe: USBDevicePipe): number;	Added
ohos.usb	usb	bulkTransfer(pipe: USBDevicePipe, endpoint: USBEndpoint, buffer: Uint8Array,timeout?: number): Promise<number>;	Added
ohos.usb	usb	controlTransfer(pipe: USBDevicePipe, contrlparam: USBControlParams, timeout?: number): Promise<number>;	Added
ohos.usb	usb	getFileDescriptor(pipe: USBDevicePipe): number;	Added
ohos.usb	usb	getRawDescriptor(pipe: USBDevicePipe): Uint8Array;	Added
ohos.usb	usb	setInterface(pipe: USBDevicePipe, iface: USBInterface): number;	Added
ohos.usb	usb	setConfiguration(pipe: USBDevicePipe, config: USBConfig): number;	Added
ohos.usb	usb	releaseInterface(pipe: USBDevicePipe, iface: USBInterface): number;	Added
ohos.usb	usb	claimInterface(pipe: USBDevicePipe, iface: USBInterface, force?: boolean): number;	Added
ohos.usb	usb	requestRight(deviceName: string): Promise<boolean>;	Added
ohos.usb	usb	hasRight(deviceName: string): boolean;	Added
ohos.usb	usb	connectDevice(device: USBDevice): Readonly<USBDevicePipe>;	Added
ohos.usb	usb	getDevices(): Array<Readonly<USBDevice>>;	Added