User Manual

pg. 25
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Figure 17 Serial packet structure (sent from Arduino)
BYTE
FROM ARDUINO TO PC
0
Header = 0xFF
1
Header = 0xFF
2
Header = 0xFF
3
Header = 0xFF
5
1 if timeout exceeded
6
ID (echoed transmit ID)
7
Timestamp MSB
8
Timestamp
9
Timestamp
10
Timestamp LSB
11
N I
2
C bytes to be sent (max 32)
12 -> 12+N
I
2
C data
13+N
Footer = 0xFE
14+N
Footer = 0xFE
15+N
Footer = 0xFE
16+N
Footer = 0xFE