length |
CMD1 |
CMD2 |
Command
Meaning |
|
|
|
|
s |
0x00 |
|
State
report (from slave) |
|
0x00 |
-Playing |
0x20 |
-Changed CD |
0x21 |
-Seeking |
0x40 |
-Changing CD |
0x80 |
-Idle |
0xC0 |
-Ejecting |
|
s |
0x01 |
|
Requests
(from master) |
|
0x00 |
-Re-initialize bus |
0x02 |
-Anyone? (initial link) |
0x03 |
-[Anyone special??? (comes always after 0x02)] |
0x11 |
-Time Polling End. |
0x12 |
-Time Poll (answered by slave with 0x00 short word) |
0x13 |
-Request Time Poll ( playing positon or receive frequency) |
|
s |
0x02 |
|
Configuration
things (frommaster) |
|
0x01 |
-Tell slave about assigned ID number |
0x44 |
-[init tuner??] |
|
|
|
|
s |
0x08 |
0x00 |
- Key
Off (Eg. Cancel Searching Up) |
|
|
If e.g the fast forward key was pressed; this command issent |
|
when the key is released. |
|
s |
0x20 |
??? |
PLAY
(from master) |
|
|
|
sent if the device has to start playing |
|
s |
0x21 |
??? |
Switch
band (from master to tuner) |
|
|
this switches between FM/AM and whatever tuner can receive |
|
s |
0x24 |
??? |
FF (from
master) |
|
|
|
start fast forwarding (end with command 0x08) |
|
s |
0x25 |
??? |
REV
(from master) |
|
|
|
start fast reverse playing (end with command 0x08) |
|
s |
0x26 |
??? |
Next
Track (from master) |
|
|
|
jump to the next track |
|
s |
0x27 |
??? |
Prev
Track (from master) |
|
|
|
jump to the previous track |
|
s |
0x28 |
??? |
Next
CD (from master) |
|
|
|
change to next CD |
|
s |
0x29 |
??? |
Prev
Track (from master) |
|
|
|
change to previous CD |
|
s |
0x2b |
??? |
Change
to channel (from master to tuner) |
|
|
|
change to a saved channel number |
|
s |
0x2d |
??? |
Next
channel (from master to tuner) |
|
|
|
change to the next saved channel |
|
s |
0x2e |
??? |
Prev
channel (from master to tuner) |
|
|
|
change to the previous saved channel |
|
s |
0x32 |
??? |
Toggle
MONO mode (from master to tuner) |
|
|
|
toggle between stereo and mono |
|
s |
0x34 |
??? |
Toggle
REPEAT mode (from master to changer) |
|
|
|
switch between different repeat modes (one track/whole CD) |
|
s |
0x35 |
??? |
Toggle
shuffle mode (from master to changer) |
|
|
|
switch between different shuffle modes (one CD/all CDs) |
|
s |
0x36 |
??? |
Toggle
intro mode (from master to slave) |
|
|
|
toggle intro mode (play only the first 10 secs of a track) |
|
s |
0x37 |
??? |
Toggle
bank mode (from master to changer) |
|
|
|
toggle bank mode (play all/only selected/all but selected |
|
|
|
tracks) |
|
s |
0x3c |
??? |
Get
PTY (from master to tuner) |
|
|
|
ask tuner for the current type of program on the current |
|
|
|
radio channel |
|
s |
0x41 |
??? |
Edit
CD name (from master to CD) |
|
0x00 |
- put thecurser forward by one (if it's at the last position |
|
jump to first pos) |
0x40 |
- changeto next higher char (e.g. A -> B) |
0x50 |
- changeto next lower char (e.g. B -> A) |
|
m |
0x80 |
??? |
unknown |
|
m |
0x82 |
|
unknown |
|
|
0x00 |
- a keyon the display unit was pressed??) |
|
m |
0x87 |
|
Power
Status (On/Off/WakeUp/etc) |
|
0xeb |
- Data1=0x10-> system off?? |
|
- Data1=0x90 -> switch Display color to green |
|
- Data1=0x80 -> switch Display color to amber |
0x6b |
(same
as 0xeb?) |
|
s |
0x8c |
|
report
in (from slave) |
|
|
|
answer
to the Anyone?-Request (0x0102) |
|
m |
0x8e |
|
Magazine/Cartridge
information(from changer) |
|
0x40 |
- Slot inmagazine is empty |
0x80 |
- A magazinewas put into the changer |
0xc0 |
- No magazine |
|
m |
0x90 |
|
Playing
position / Tunerfrequency (from master) |
|
0x00 |
- currentplaying position |
|
CD: data1
- Track number |
|
data2
- minutes |
|
data3
- seconds |
|
4 high bits of data4 - CD number |
|
Cas: 4 high bits of data2=6 - side A |
|
4 high bits of data2=7 - side B |
0x30 |
- Rev 2 (to cas) |
0x31 |
- Fwd 2 (to cas) |
0x20 |
- Rev 1 (to cas) |
0x21 |
- Fwd 1 (to cas) |
0xc0 |
- Eject (to cas) |
|
m |
0x91 |
Hours |
Current
Time (from clock) |
|
|
Sent by the clock once per minute |
|
CMD0 -> Hours ... Data1 -> Minutes; others unknown |
|
m |
0x91 |
|
Station
info (from tuner) |
|
|
|
- Data2 Bit 6 -> stereo |
|
m |
0x9c |
??? |
unknown
(trying something?) |
|
m |
0x94 |
??? |
configuration
change (from display to master??) |
|
|
- Data1: |
|
- Bit 7 Switch mute |
|
- Bit 6 Mute now is (1->on/0->off) |
|
- Bit 5 Switch loudess |
|
- Bit 4 Loudness now is (1->on/0->off) |
|
|
|
- Data2: |
|
- Bit 7 Switch telephone mute |
|
- Bit 6 Telephone mute is now (1->on/0->off) |
|
m |
0x98 |
??? |
Intro
play was finished for specified track (fromslave) |
|
|
- Data3 -> Track |
|
- Data2 -> 4 higher bytes CD number |
|
l |
0xc0 |
|
...seeking
(from changer) |
|
|
Target position: |
|
data22 track number |
|
data23 4 low bits -> minutes |
|
data24 seconds |
|
data25 4 high bits -> track |
0x00 |
- seekingin the track |
0x04 |
- unknown |
0x20 |
- seekingto track |
0x40 |
- seekingto cd |
|
l |
0xc1 |
??? |
unknown |
|
l |
0xcd |
|
[Track
name ???] (fromCD) |
|
|
string containging the 8 characters of the current track name: |
|
CMD2,Data1, Data2, Data3, Data4, Data21, Data22, Data23 |
|
l |
0xd5 |
??? |
unknown
(from CD) |
|
l |
0xd6 |
??? |
CD name
(from CD) |
|
|
|
string containging the 8 characters of the current CD name: |
|
|
|
CMD2, Data1, Data2, Data3, Data4, Data21, Data22, Data23 |
|
l |
0xf0 |
??? |
- System
Status and audio source in foreground/background |
|
|
|
|