6-26
SE-923 Scan Engine Integration Guide
REPLY_REVISION
Description: Reply to REQUEST_REVISION command with software
revision string
Packet Format
Field Descriptions
Host Requirements
None.
Decoder Requirements
The decoder sends its revision string to the host. The revision string is in the following format:
S/W_REVISION <space> BOARD_TYPE <space> SCANNER_ID <space> PGM_CHKSUM
Where:
•
S/W_REVISION
is the release name of the software
Length
Opcode
Message Source
Status
Revision
Checksum
0xA4
0x00
Field Name
Format
Size
Description
Length
Length of message (not
including checksum).
1 Byte
Length Field
Opcode
0xA4
1 Byte
Identifies this Opcode type.
Message
Source
0 = Decoder
1 Byte
Identifies where the message is
coming from.
Status
Bit 0: Retransmit
Bit 1-7: Unused
1 Byte
Identifies the transmission status.
Unused bits must be set to 0.
Revision
ASCII data
variable
Software revision in ASCII (see
format below).
Checksum
2's complement sum of
message contents
excluding checksum.
2 Bytes
Checksum of message.
Содержание SE 923
Страница 1: ...SE 923 Scan Engine Integration Guide...
Страница 2: ...2 70 37052 01 Rev A February 1999 Symbol Technologies Inc One Symbol Plaza Holtsville N Y 11742 1300...
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Страница 29: ...2 7 Installation Figure 2 3 Exit Window Positioning CASE 1 CASE 2...
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Страница 135: ...5 83 Parameter Menus Prefix Suffix Values DATA FORMAT CANCEL...
Страница 138: ...5 86 SE 923 Scan Engine Integration Guide Scan Data Transmission Format PREFIX DATA SUFFIX 1 SUFFIX 2 0x07...
Страница 155: ...5 103 Parameter Menus Numeric Bar Codes cont d 4 5 6 7...
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