Bi-Focus
User Manual
©
2019 FOXTECH All Rights Reserved
10
Channel data error
gives
corresponding
prompt
Communication
Serial Communication
Frame Structure
12 to 27 char
Frame Header
(3char)
#TP
Address Bit
(2char)
U/M/D/I/E/P
Data Length
(1char)
L
controlposition
(1char)
w/r
Identificationposition
(3char)
X1X2X3
Data1 (char)
D1
...
(char)
...
Data L
(char)
DL
Check position
(2char)
CRC
Frame Header
（
#TP（Fixed-length command（The data length is 2
#tp（ Variable-length command（The data length is determined by the length bit.
Address bit（
Source address（ U: Uart command M: Lens related commands; D: System and image related commands;
I: algorithm-related commands; E: thermal infrared related commands; P: pan/tilt related commands..
Target: U: Uart command M: lens related command; D: system and image related commands;
Control position: r -- > query w -- > control data: according to the length
Identity bit: identity function
