Command Block Format - Sony VPH-G70Q Protocol Manual

2-2. Command Block Format

Code from B0 up to Bn+2 as described bellow shall be transmitted.
< Note > n = 16 + the number of bytes of Data transmitted
1
B0
Start Code
2
B1
Peripheral Index
B6
Peripheral Index
B11
CMD1
3
B14
Data Size of 4~6
8
Bn+2
End Code
B2
RECEIVER (To) Index
Group Index
B7
SENDER (From) Index
Group Index
B12
COMMAND
CMD2
4 5
B15
Data Size of 6
Sub Command
B3
B4
B8
B9
B13
CMD3
6
B16 B17
Data (TOP)
— 4 —
B5
Device Index
B10
Device Index
7
~ Bn
Bn+1
Data (END)
Check SUM
B1 ~ Bn XOR