O Control Data Structures, Members | Lucent Technologies USS-720

Preliminary User Guide, Rev. 2	USS-720
February 1999	USB Device Driver

5 I/O Control Data Structures

This section describes the data structures used in I/O control codes.

5.1 DEVICE_INSTANCE_HEADER

The DEVICE_INSTANCE_HEADER structure is used when issuing the IOCTL_GET_DEVICE_INSTANCES con- trol code.

5.1.1 Data Structure

typedef struct _DEVICE_INSTANCE_HEADER{ DWORD NumDeviceInstance; DWORD TotalLength;

}DEVICE_INSTANCE_HEADER;

5.1.2 Members

NumDeviceInstance—Total number of device instances.

TotalLength—Total length (in bytes) of device instances including the header.

5.2 DEVICE_INSTANCE

The DEVICE_INSTANCE structure is used when issuing the IOCTL_GET_DEVICE_INSTANCES control code.

5.2.1 Data Structure

typedef struct _DEVICE_INSTANCE{ DWORD InstanceIndex; DWORD LinkNameLength;

CHAR DeviceLinkName[64];

}DEVICE_INSTANCE, *PDEVICE_INSTANCE;

5.2.2 Members

InstanceIndex—Index of this instance.

LinkNameLength—Length (in bytes) of the DeviceLinkName.

DeviceLinkName—Pointer to a null terminated string containing the symbolic link name of a device instance.

Lucent Technologies Inc.

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Lucent Technologies USS-720 manual O Control Data Structures, Deviceinstanceheader, Members

Contents

Information Manual, Rev September Introduction Table of Contents September USB-to-IEEE Bridge Information Manual, Rev Evaluation Kit for USS-720 IOCTLSET1284REGISTER USS-720 USB Device Driver Preliminary User GuideIOCTL1284 Terminate USS-720 USB Port Monitor Application Note Evaluation Kit Contents \SAMPLES Hardware Requirements Getting Started Instructions OSR2.1 Cable Installation Instructions Windows 98 Cable Installation Instructions Software Updates Port Creation USB Driver and Port MonitorPlug and Play Eeprom Lucent Technologies Inc In-System Design, Inc Lucent Technologies Microelectronics Group USB Applications Support September USS-720 Driver Software Object Code License Agreement Evaluation Kit SoftwareFebruary Introduction Licensed Software USS-720 Software Use Agreement FebruaryFurnishing of Licensed Software Ownership February Software Use Agreement USS-720 Agreement Prevails Warranty and IndemnityNothing Construed 04 Conﬁdentiality Nonassignability PublicityAddresses Integration Disputes Applicable Law Documentation USS720.SYSUSS720.INF USS-720 Software Use Agreement February Application Note, Rev February Software Components Printer Enumeration Customer-Deﬁned DataPlug and Play Operation PnP Installation Process Power ManagementOperating Systems Supported USB Hardware Types Supported Print Types Supported Printer Types Supported Description FeaturesPreliminary Data Sheet, Rev September Table of Contents USB-to-IEEE Preliminary Data Sheet, Rev USS-720Pin Information Parallel Port nSelectIn Signal Active-Low Parallel Port nAutoFd Signal Active-LowParallel Port nInit Signal Active-Low Parallel Port nAck Signal Active-Low USB Port OverviewDevice Descriptor, Conﬁgurations, and Inter- faces Descriptor Locations Device Descriptor Offset Field Size Value Description USB-to- Ieee 1284 Bridge SeptemberOnboard Device Descriptor Conﬁguration Descriptor USB-to- Ieee Bulk Out Endpoint Descriptor, I0A0E1 Interface Descriptors Bulk In Endpoint Descriptor, I0A1E2 September USB-to-IEEE1284 BridgeBulk Out Endpoint Descriptor, I0A1E1 Interrupt Endpoint Descriptor, I0A2E3 Bulk Out Endpoint Descriptor, I0A2E1Bulk In Endpoint Descriptor, I0A2E2 Standard Requests PipesRequests Get Port Status Data Bit Description Printer Class-Speciﬁc Requests SET1284REGISTER Vendor-Speciﬁc RequestsGET1284REGISTER Register-Based Operation Ieee 1284 Port GET1284REGISTER Data Byte Register Data RegistersInterrupt Pipe Read Data Byte Register Data Parallel Port nFault Signal Reserved Status Register Address Bit SymbolDefault Bit Symbol Bit Description Access Default Bit Symbol Bit Description Control Register Address Bit SymbolParallel Port nInit Signal USB-to-IEEE1284 Bridge USS-720Instant USB ECP Command Register Address Bit Symbol Access Mode20 Description Extended Control Register Address Bit Symbol USS-720 Control Register Address Bit Symbol USS-720 Setup Register Address Bit Symbol Interrupts External Crystal Connection External Circuitry Requirements High Drive Mode Filter Bypass ModeSelf-Powered Mode Absolute Maximum Ratings Parameter Symbol Min Unit Parameter Symbol Test Conditions Min Typ Max Unit Electrical CharacteristicsCapacitance Values Parameter Unit Clklo Clkhi Output Delay Timing Parameter Min Max Unit Timing CharacteristicsSetup and Hold Input Timing Parameter Ordering Information Outline DiagramPin Mqfp Device Code Package Comcode Application Note February Description Port ParallelBridging USB to Typical Circuit Showing USS Lucent Technologies Inc Preliminary User Guide, Rev February Signal Directions IOCTL1284 Setmode O File Functions InitializationPreliminary User Guide, Rev USS-720 February USB Device Driver CreateFile ReadFile Error Codes WriteFile DeviceIoControl CloseHandle Control Code Description O Control Codes Parameters IOCTL1284 Ecpfwdtorev IOCTL1284ECPREVTOFWD IOCTL1284 Ecpsetchannel IOCTL1284 Setmode Register Mode Description IOCTL1284 Terminate Value Description IoctlabortpipeBulkoutpipe Bulkinpipe Ioctlcancelpiperequest IOCTLGET1284REGISTER ALTINTERFACE0 IoctlgetaltsettingALTINTERFACE1 ALTINTERFACE2 Ioctlgetcapabilities Ioctlgetconfigurationdescriptor Ioctlgetdevicedescriptor Ioctlgetdeviceinstances Ioctlgetinterface Bit Meaning Ioctlgetportstatus Command Description IOCTLISSUEUSS720COMMAND Byte Description Ioctlreadinterruptpipe Ioctlresetpipe IOCTLSET1284REGISTER Ioctlsetaltsetting Ioctlsoftreset Deviceinstanceheader O Control Data StructuresDeviceinstance Data Structure REGISTER1284, *PREGISTER1284 REGISTER1284 ADVREGISTER1284, *PADVREGISTER1284 ADVREGISTER1284 Lucent Technologies Inc USS-720 USB Port Monitor Printer Cable with Instant USB USS-720 Application Note USB Port Monitor February W98USS720EvalKit2402.zip to download the installation ﬁles Software Installation InstructionsApplication Note June Click on Enter Library September MN99-052CMPR-1 Replaces MN97-061CMPR-04