Filter
Top Products
4.1.1 Data Packet Structure “Operation”
Byte No 0 1 2 3 4 5 6 7 8 9 10
Data
0xBE 0xEF 0x03 0x19 0x00 CRC-L CRC-H
O-Type Code-L Code-H
0x00
Byte No 11 12 13 14 15 16 17 18 19 20 21
Data
0x00 0x00 0x00 0x00 0x00
Val-L Val-1 Val-2 Val-H
0x00 0x00
Byte No 22 23 24 25 26 27 28 29 30 31
Data
0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00
-L = Lower Byte
-H = Higher Byte
O-Type (BYTE) : Operation
Code (WORD) : Function
Val (DWORD) : Value
O-Type
Code Operation Comment
0x01 SET Set value
0x02 GET Get value
0x03 INC Increment value
0x04 DEC Decrement value
Code
Code Operation Comment Val Min Val Max
0x03E8 Backlight
brightness
Set backlight value 0 0xff
0x139C Brightness Set brightness level 0 0xff
0x13AF Contrast Set contrast level 0 0xff
Protocol
Host Monitor
Operation packet
Char 0x1E + Operation packet
44 4 Serial Communication