Byte 2 (Command) 0Xxxxxxxb + Byte 3 (Data) 0Xxxxxxxb - ID-AL ChronoPlayer User Manual

ID-AL ChronoPlayer - User Guide V1.0
Value (hexadecimal)
80
81
9E
FF

10.1.2 Byte 2 (Command) 0xxxxxxxb + Byte 3 (Data) 0xxxxxxxb

The byte 2 is a command and the byte 3 is a data byte that completes the command byte. A command byte
is always followed by a data byte. A complete frame is therefore made of 3 bytes.
b7 = 0: designates a command or data byte.
b6, b5, b4: bank selection for the folder jump command.
b3, b2, b1, b0: command code sent to the player.
Value (hexadecimal)
00
01, 11, 21, 31, 41, 51, 61, and 71 "Play folder" command.
02
03
00h - 00000000b: Not used
•
01h, 11h, 21h, 31h, 41h, 51h, 61h and 71h – 0xxx0001b: "Play folder" command
•
The folder is designated by the bank number and the following data byte.
xxx is the bank number. In order to be able to launch 1000 folders (from 000 to 999), it is necessary
to divide this number into several folder ranges (banks) of 128 values.
0xxx0001b: xxx = bank number depending on the folder number
Value (hexadecimal)
01
11
21
31
41
51
61
71
Note: The values beyond 999 are ignored.
Example of ID address bytes
Broadcast ("general call") address for all the players.
Player number 001.
Player number 030.
Player number 127.
Table 18: List of the command bytes
Not used.
Playback control command.
Volume control command.
Table 19: List of the byte values for each bank
Value (binary)
00000001
00010001
00100001
00110001
01000001
01010001
01100001
01110001
Description
Description
Bank
0 Folders 000 to 127.
1 Folders 128 to 255.
2 Folders 256 to 383.
3 Folders 384 to 511.
4 Folders 512 to 339.
5 Folders 640 to 767.
6 Folders 768 to 895.
7 Folders 896 to 999.
-39-
Bank Range
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