1
Preparations
Ack
Header
0xAA
V.Wall_On : Same as above
Nak
Header
0xAA
"ERR": A code showing what error has occurred
Data
Command
length
ID
0xFF
4
Command
ID
0xFF
Ack/
r-CMD
Nak
'A'
0x89
Wall_Div
Data length
Ack/Nak
3
'N'
Val1
Val2
Checksum
Wall_SNo
r-CMD
Val1
Checksum
0x89
"ERR"
1 Preparations
61