SIYI MK32E - SDK Communication Protocol for Datalink; Format; Command

MK32E User Manual V1.1
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4.7 SDK Communication Protocol for Datalink
SIYI links can be integrated to customers’ own network or ground station by
acquiring SDK communication protocol.
4.7.1 Format
Field
Index
Bytes
Description
STX
0
2
0x5566: starting mark
CTRL
2
1
0: need_ack (if the current package need
“ack”)
1: ack_pack (if the package is an “ack”
package)
2-7: Reserved
Data_len
3
2
Data field byte length.
Low byte in the front.
SEQ
5
2
Frame sequence (0~65535) .
Low byte in the front.
CMD_ID
7
1
Command ID
DATA
8
Data_len
Data
CRC16
2
CRC16 check to the complete data
package.
Low byte in the front.
4.7.2 Command
Acquire the Hardware ID of the Ground Unit
CMD_ID:0x40 ------ Hardware ID
Send data format
No.
Data
Type
Data Name
Data Description