® Waves System
V 1.0 - 2014
I.D. AL - VideoPlayer VP250HD - Video/Audio player - User manual
List of commands:
00h: not used
01h: command of a jump into a folder
02h: transport bar command
03h: volume control command
04h : Request informations
05h/06h : Reserved
07h à 7Eh : Not used
7Fh : Identification number change (ID)
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00h - 00000000b: not used
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01h - 00000001b : command of a jump into a folder
The third byte is the number of the folder to read. The play command is included in the command of jump.
Example of the complete frame to jump and play folder 003. In Hexa : 81 01 03
Byte 1 : 10000001b (81h) : Status byte, player ID 001
Byte 2 : 00000001b (01h) : Jump command
Byte 3 : 00000011b (03h) : Play folder n°003
Only the first 128 folders can be read from 000 to 127
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02h - 00000010b: Transport bar command
The transport function is defined by the data byte as follows:
Value of the datas of the byte 3 (datas)
01h - 00000001b : Playback
02h - 00000010b: Stop
03h - 00000011b: Next file in the current directory
04h - 00000100b: Previous file in the current directory
05h - 00000101b : Pause / Play
06h - 00000110b : Play next folder
07h - 00000111b : Play previous folder
08h : 00001000b : Stand by
Note: the other values are ignored.
Example of the complete frame to stop the player : 81 02 02
Byte 1 : 10000001b (81h) : Status byte, player ID 001
Byte 2 : 02h - 00100001b : Transport bar command
Byte 3 : 02h - 00010110b : Stop command
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03h - 00000011b: volume control command
The value of the volume is defined by the datas byte as follows:
00h - 00000000b : mute - volume at 0
10h - 00010000b : half volume - value 16
1Fh - 00011111b : maximum volume - value 31
Note : the others values are ignored
Example of the full frame : 81 03 0E
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