IOCTLISSUEUSS720COMMAND | Lucent Technologies USS-720 specs

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

4 I/O Control Codes (continued)

4.16 IOCTL_ISSUE_USS720_COMMAND

IOCTL_ISSUE_USS720_COMMAND issues a speciﬁc command for the USS-720 device. Details regarding parameters and error codes follow.

4.16.1 Parameters

lpInBuffer—Points to an buffer that contains a single byte which speciﬁes one of the following USS-720 commands:

Command	Description

CMD_AUTOECP_ON	Turn Auto Mode on.

CMD_AUTOECP_OFF	Turn Auto Mode off.

CMD_COMPRESS_ON	Turn ECP RLE compression on.

CMD_COMPRESS_OFF	Turn ECP RLE compression off.

nInBufferSize—Speciﬁes the size (in bytes) of the buffer pointed to by lpInBuffer. For this operation, this value should be 1.

lpOutBuffer—Points to an output buffer. Not used with this operation. Set to NULL.

nOutBufferSize—Speciﬁes the size (in bytes) of the buffer pointed to by lpOutBuffer. Not used with this operation. Set to zero.

lpBytesReturned—Points to a DWORD that receives the actual size (in bytes) of the data stored into lpOutBuffer. Not used with this operation.

4.16.2 Notes

Returns TRUE if successful; FALSE otherwise.

4.16.3 Error Codes

ERROR_INVALID_ALTERNATESETTING—This command is only supported in ALT_INTERFACE_2 (see Section 4.9 of this document).

STATUS_INSUFFICIENT_RESOURCES—Not enough memory to perform the request on this device instance.

Lucent Technologies Inc.

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Lucent Technologies USS-720 manual IOCTLISSUEUSS720COMMAND, Command Description

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 Introduction Evaluation Kit SoftwareUSS-720 Driver Software Object Code License Agreement February Ownership USS-720 Software Use Agreement FebruaryLicensed Software Furnishing of Licensed Software February Software Use Agreement USS-720 04 Conﬁdentiality Warranty and IndemnityAgreement Prevails Nothing Construed Integration PublicityNonassignability Addresses 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 USB Hardware Types Supported Power ManagementInstallation Process Operating Systems 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 nAck Signal Active-Low Parallel Port nAutoFd Signal Active-LowParallel Port nSelectIn Signal Active-Low Parallel Port nInit Signal Active-Low Descriptor Locations OverviewUSB Port Device Descriptor, Conﬁgurations, and Inter- faces 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 Byte Register Data RegistersGET1284REGISTER Data Byte Register Data Interrupt Pipe Read Data Parallel Port nFault Signal Reserved Status Register Address Bit SymbolDefault Bit Symbol Bit Description USB-to-IEEE1284 Bridge Control Register Address Bit SymbolAccess Default Bit Symbol Bit Description Parallel Port nInit Signal 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 Absolute Maximum Ratings Parameter Symbol Min Unit Filter Bypass ModeHigh Drive Mode Self-Powered Mode Clklo Clkhi Electrical CharacteristicsParameter Symbol Test Conditions Min Typ Max Unit Capacitance Values Parameter Unit Output Delay Timing Parameter Min Max Unit Timing CharacteristicsSetup and Hold Input Timing Parameter Device Code Package Comcode Outline DiagramOrdering Information Pin Mqfp Application Note February Description USS ParallelPort Bridging USB to Typical Circuit Showing Lucent Technologies Inc Preliminary User Guide, Rev February Signal Directions IOCTL1284 Setmode USB Device Driver InitializationO File Functions Preliminary User Guide, Rev USS-720 February 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 Bulkinpipe IoctlabortpipeValue Description Bulkoutpipe Ioctlcancelpiperequest IOCTLGET1284REGISTER ALTINTERFACE2 IoctlgetaltsettingALTINTERFACE0 ALTINTERFACE1 Ioctlgetcapabilities Ioctlgetconfigurationdescriptor Ioctlgetdevicedescriptor Ioctlgetdeviceinstances Ioctlgetinterface Bit Meaning Ioctlgetportstatus Command Description IOCTLISSUEUSS720COMMAND Byte Description Ioctlreadinterruptpipe Ioctlresetpipe IOCTLSET1284REGISTER Ioctlsetaltsetting Ioctlsoftreset Data Structure O Control Data StructuresDeviceinstanceheader Deviceinstance 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 Click on Enter Library Software Installation InstructionsW98USS720EvalKit2402.zip to download the installation ﬁles Application Note June September MN99-052CMPR-1 Replaces MN97-061CMPR-04