/* * USB packet definitions */ #define	GET2(p)	((((p)[1]&0xFF)<<8)|((p)[0]&0xFF))#define	PUT2(p,v)	{((p)[0] = (v)); ((p)[1] = (v)>>8);} enum {	/* request type */	RH2D = 0<<7,	RD2H = 1<<7,	Rstandard = 0<<5,	Rclass = 1<<5,	Rvendor = 2<<5,	Rdevice = 0,	Rinterface = 1,	Rendpt = 2,	Rother = 3, 	/* standard requests */	GET_STATUS = 0,	CLEAR_FEATURE = 1,	SET_FEATURE = 3,	SET_ADDRESS = 5,	GET_DESCRIPTOR = 6,	SET_DESCRIPTOR = 7,	GET_CONFIGURATION = 8,	SET_CONFIGURATION = 9,	GET_INTERFACE = 10,	SET_INTERFACE = 11,	SYNCH_FRAME = 12, 	/* hub class feature selectors */	C_HUB_LOCAL_POWER = 0,	C_HUB_OVER_CURRENT,	PORT_CONNECTION = 0,	PORT_ENABLE = 1,	PORT_SUSPEND = 2,	PORT_OVER_CURRENT = 3,	PORT_RESET = 4,	PORT_POWER = 8,	PORT_LOW_SPEED = 9,	C_PORT_CONNECTION = 16,	C_PORT_ENABLE,	C_PORT_SUSPEND,	C_PORT_OVER_CURRENT,	C_PORT_RESET, 	/* descriptor types */	DEVICE = 1,	CONFIGURATION = 2,	STRING = 3,	INTERFACE = 4,	ENDPOINT = 5,	HID = 0x21,	REPORT = 0x22,	PHYSICAL = 0x23, 	/* feature selectors */	DEVICE_REMOTE_WAKEUP = 1,	ENDPOINT_STALL = 0,};