Block Format - Sony VPL-BW7 Protocol Manual

2-3. Block Format

Transmission from the Master side
B0
START CODE
B1
ITEM NUMBER
B2
B3 SET / GET
B4
DATA
B5
B6 CHECK SUM
B7
END CODE
Reception in the Master side
B0 START CODE
B1
ACK / NAK
B2
B3 ACK
B4
DUMMY DATA
B5
B6
CHECK SUM
B7
END CODE
Reception in the Master side (With Data)
B0 START CODE
B1
ITEM NUMBER
B2
B3 REPLY
B4
DATA
B5
B6
CHECK SUM
B7
END CODE
VPL-BW5
Data transmission to the Projector
Start of Command
Set the Data Category Value desired.
Refer to the Appendix Table 1 for details.
SET: 0 x 00 (Set data)
GET: 0 x 01 (Get data)
SET: Data to be set (Refer to the Appendix Table 2)
GET: Unused. Set Dummy data [0 x 00, 0 x 00]
Check Sum
End of Command
Receive results of the data transmission from the Projector.
Start of Command
Results correspond with the data transmission
Refer to the Appendix Table 3 for the data in detail.
[0 x 03]
Express Reply data either of ACK, or NAK
This data does not mean any senses.
Dummy Data [0 x 00, 0 x 00] is stored.
Check Sum
End of Command
Receive data from the Projector
Start of Command
Data to acquire
Refer to the Appendix Table 1 in detail.
[0 x 02]
Express data to be Reply data
Received data
Refer to the Appendix Table 2 in detail.
Check Sum
End of Command
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