SIYI HM30 - Page 95

HM30 User Manual v1.3
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Example:
Send (HEX): 55 66 01 02 00 00 00 4D 02 FF 0F 86
Response (HEX): 55 66 02 02 00 1D 00 4D 02 01 8B 65
Request Firmware Version
CMD_ID:0x47 ------ Request Firmware Version
Send data format
No.
Data Type
Data Name
Data Description
ACK Data Format
uint32_t
rc_version
Remote controller function firmware version
uint32_t
rf_version
Air unit function firmware version
uint32_t
ground_ver
sion
Remote controller FPV firmware version
uint32_t
sky_versio
n
Air unit FPV firmware version
Mark:
The request firmware version is four bytes in hexadecimal, with the first byte in the low bit and the last byte in
the high bit. The first byte is the product ID, and the remaining three bytes are the version number.
For example, 0x00 0x03 0x05 0x68, the product ID is 0x68, and the version number is 5.3.0. The same applies
to other version numbers.
Example:
Send (HEX): 55 66 01 00 00 00 00 47 66 ec
Response (HEX): 55 66 02 10 00 02 00 47 00 03 05 68 07 02 05 69 02 02 00 56 02 02 00 56 6d 21
4.8.3 Communication Interface
SIYI datalink SDK supports four interfaces, which can be switched in SIYI TX app.
1) UART Serial Port
Port Name: /dev/ttyHS0
Baud Rate: 115200