Command Descriptions
The Communication flows as shown below.
(N=9320)
Computer DVD player
---BU<CR>--->
<---R<CR>----
<--1st byte data--
<--2nd byte data--
~
<--(N-1)th byte data--
<--Nth byte data<CR>--
<---R<CR>----
Format of the data:
BP Contents
Numbers of
bytes
0 - 1 (1) Total number of the transfer data
(fixed number = 2468H)
2 bytes
2 - 3 (2) The version of this data format
(fixed value)
2 bytes
4 - 5 (3) Barcode #1 Search Pointer 2 bytes
6 - 7 Barcode #2 Search Pointer 2 bytes
~ ~ ~
600 - 601 Barcode #299 Search Pointer 2 bytes
602 - 603 Barcode #300 Search Pointer 2 bytes
604 - 605 (4) Number of Next Barcode Data 2 bytes
606 - 607 (5) Number of Next Barcode Group 2 bytes
608 - 609 (6) Blackboard #1 Search Pointer 2 bytes
610 - 611 Blackboard #2 Search Pointer 2 bytes
~ ~ ~
1204 - 1205 Blackboard #299 Search Pointer 2 bytes
1206 - 1207 Blackboard #300 Search Pointer 2 bytes
1208 - 1209 (7) Number of Next Blackboard Data 2 bytes
1210 - 1211 (8) Number of Next Blackboard Group 2 bytes
1212 - 1213 (9) Number of Next Blackboard Unit 2 bytes
1214 - 1215 (10) Next Data Address 2 bytes
1216 - 9315 (11) Barcode & Blackboard Data 8100 bytes
9316 - 9319 (12) Checksum 4 bytes
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