SIYI A2mini - Ethernet SDK Protocol Control

A2 mini User Manual V1.1
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3.3 Ethernet SDK Protocol Control
SIYI gimbal camera provides control protocol for all customers. Please refer to the
below guide for secondary development based on SIYI gimbal camera.
3.3.1 SDK Protocol Format
Field
Index
Bytes
Description
STX
0
2
0x6655: starting mark
Low byte in the front
CTRL
2
1
0: need_ack (if the current data pack need “ack”)
1: ack_pack (if the current data pack is an “ack”
package)
2-7: reserved
Data_len
3
2
Date 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
3.3.2 SDK Communication Commands
Acquire Firmware Version
CMD_ID:0x01------Acquire Firmware Version
Send data format
No.
Data Type
Data Name
Description
ACK data format
uint32_t
code_board_ver
Camera firmware version
uint32_t
gimbal_firmware_ver
Gimbal firmware version
uint32_t
zoom_firmware_ver
Zoom firmware version