7.2 Protocol
7.2.1 Pro
t
ocol frame
- Baud rate : 38400 BPS
- Data bit : 8bit
- Parity : None
- Stop Bits : 1
7.2.2 Communication control letter
7.3.3 Command
The command for data request and response are same, but distinguished by the
capital letter for request, the small letter for response.
Name
Word
Description
Packet start
STX
It means Packet start at the first of the message.
Packet finish
ETX
It means Packet end at the last of the message.
OK response
ACK
OK response on the message receipt
NOK response
NAK
NOK response on the message receipt
Pac
k
et end
ETB
It means the packet end of the first message of
tw
o
blocks of
lo
ng message
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