Kodak 9500 manual Read command, Command op code 28H Scsi Specification Section, Read data

Page 35

Read command

Command op code: 28H

SCSI Specification: Section 14.2.5

Command block descriptor

Bit

7

6

5

 

4

3

 

2

1

0

Byte

 

 

 

 

 

 

 

 

 

 

0

 

 

 

Operation Code (28H)

 

 

 

1

Logical Unit Number

 

 

Reserved

 

RelAdr

2

 

 

 

 

Transfer Data Type

 

 

3

 

 

 

 

 

Reserved

 

 

 

4

(MSB)

 

 

 

Transfer Identification

 

 

5

 

 

 

 

 

 

 

 

 

(LSB)

6

(MSB)

 

 

 

Transfer Length

 

 

 

7

 

 

 

 

 

 

 

 

 

 

8

 

 

 

 

 

 

 

 

 

(LSB)

9

Vendor Unique

 

 

Reserved

 

Flag

Link

Read data

Descriptor

Data

Definition

Logical Unit

= 0

Only one logical unit

Number

 

 

RelAdr

= 0

Not supported

Transfer Type

= 00

Image Data (raster data)

 

= 80

Scanner-unique command

 

= 81

Header

 

= 82

Compound Image (header, raster)

Transfer ID

= 0

Not used when Transfer Type is 00, 81, or 82

 

= Scanner Unique

When Transfer Type is 80, this field is used for

 

 

a scanner-unique command.

Command

= length

Maximum number of blocks (block size = 1

Transfer Length

 

byte) to transfer.

 

 

NOTE: If Transfer Type = 80, use 128*

If the quantity of data is less than the transfer length blocks, Check Condition Status is returned. Incorrect Length Indicator (ILI) will be returned to the Request Sense that follows.

When performing continuous read commands, if a Check Condition returns an indication the buffer is empty (sense key = B, sense code = 80, and sense qualifier = 02), delay subsequent read commands by at least 100 milliseconds.

*For scanner-unique commands, a transfer length of 128 is recommended. The command string is filled with nulls to a length of 128, ensuring the host receives the data without generating a Check Condition for incorrect length.

A-61124 March 1999

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Contents Integrator’s Guide Document size IntroductionAbout this guide Scanning documents SetupScanning Concepts Error handling March Interactive/online method Batch/offline method Fault recoveryImage Headers Image header contentsCompression type ResolutionImage address Header flagsSkew Angle Bar code header informationImage Deskew Flag Image header format Offset Format Dynamic Data Set by CommandMarch Default Image Header Format Requested Resultant Last Transfer Retrieving images and headersTo read the header and then read the image Recommended retrieval methodsScsi data rates Scanner Host CommunicationsScsi overview Scsi bus Scsi InterfaceIssuing Scsi commands Scsi interface signal linesMarch Status Response Code Meaning Scsi status responsesMessage Code Direction Function/Action Scsi Spec Scsi message responsesScsi conformance Command Number Scsi commandsScsi command summary Command OpDefine Window Parameters header Define Window Parameters commandCommand block descriptor Command op code 24H Scsi Specification SectionDefine Window descriptor bytes Descriptor Data Definition Define Window Parameters dataDescriptor Data Definition Get Window Parameters header Get Window commandCommand op code 25H Scsi Specification Section Get Window dataGet Window Parameters header data Get Window descriptor bytes Get Window Parameters data Descriptor Data Definition Inquiry descriptor bytes Inquiry commandCommand op code 12H Scsi Specification Section Inquiry data Read data Read commandCommand op code 28H Scsi Specification Section Command op code 17H Scsi Specification Section Release Unit commandRequest Sense descriptor bytes Request Sense commandCommand op code 03H Scsi Specification Section ILI Request Sense dataDescription Seq. Id# Required Error Trans Panel Command op code 1BH Scsi Specification Section Reserve Unit commandScan command Command op code 16H Scsi Specification SectionSend data Send commandCommand op code 2AH Scsi Specification Section Command block Using the Send command for scanner- unique commandsCommand op code 00H Scsi Specification Section Test Unit Ready commandScanner-unique command format Scanner-unique CommandsScsi Command summaryMarch AX/Y/Z Cropping/ Auto Cropping CommandsDescription Values DX No scan EX Bit order Information returned is in the following format FX/Y/Z Compression GC Last image addressHC command sets the image address for the next document GX End of job HA Set mode HC Next image addressJA command Example JA Define modeJX/Y/Z Scan threshold Cont NX/Y/Z command selects the Noise filter for the current mode SX/Y/Z Reverse image TX Simplex/duplex status YX/Y/Z Border Reduction WX/Y/Z Skew Correction W command enables or disables document skew correctionTemporarily overriding a group of parameters Scanner-unique command samplesPermanently changing individual parameters Permanently changing a group of parameters Recommended usage of scanner-unique commands Usage Protocol Pinouts Sample interfaces Diagnostic Interface J45/COIN3Pin J45 Signals Appendix a Glossary Gray levels Error diffusion modeDocument image level Gray scale imagePatch Multilevel indexingNoise Noise filterSeed Scanner-unique commandScaling ScreeningUnited States and Canada Accessory-specificAppendix B Reference Materials Ordering publicationsAppendix C Assigning Image Addresses March Image processing parameters Appendix D Image Processing Parameter DefaultsModes Parameter Command 13,17 14,18 11,15 12,16 Filter Table D-2 Scanner Recommended Image processing parameters∙ YX/Y/Z ∙ AX/Y/Z March Adaptive Threshold Processing separates the foreground Appendix E Image ProcessingTerminology Reverse imaging Simplex/duplex selection Image processing capabilitiesAuto-cropping Compression is used to reduce the number of bytes needed for Contrast without ATP 61122/A-61124 March 61122/A-61124 March Noise filter 61122/A-61124 March Product Resolution Base Resolution Dpi ResolutionScreening/Dithering Bit/pixel image. The thresholding value ranges from 0 to 61122/A-61124 March ATP Contrast settings Adaptive Threshold Processor ATP accessoryImage processing settings for the ATP Image a Image B Image C Image D ATP Threshold settingsSkew Detection and Correction Scanner/MicroimagerCorrection and auto-cropping work Auto-croppingExample Full width of Scanner Border reduction Border reductionPrinted Images Evaluating scanned imagesSource image types Scanned imagesPhotographic images Computer-generated imagesTarget Evaluation criteriaAliasing StaircasingFigure C Image resolution61122/A-61124 March By counting the number of black and white steps BrightnessDocument A G I N G
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9500 specifications

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In summary, the Kodak 9500 stands out in the crowded camera market with its high-resolution capabilities, advanced autofocus system, versatile shooting modes, and robust connectivity options. Its durable construction makes it a reliable tool for professionals seeking to capture their vision with precision and clarity. Whether you are a seasoned pro or a passionate enthusiast, the Kodak 9500 is an exceptional choice that elevates the art of photography.
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