ipod accessory protocol.mht

ipodourdev_176702.rar IPOD接口资料IPODSOCKET 需要

    <TD>25</TD>
    <TD id=3Drxd>0x00 0x2D</TD>
    <TD>1 byte</TD>
    <TD>? Always 0 ?</TD></TR>
  <TR>
    <TD>26</TD>
    <TD id=3Dtxd>0x00 0x2E</TD>
    <TD>0x00</TD>
    <TD>Shuffelmode Off/On Songs/On Albums</TD></TR>
  <TR>
    <TD>27</TD>
    <TD id=3Dtxd>0x00 0x2F</TD>
    <TD></TD>
    <TD>? Always 0 ?</TD></TR>
  <TR>
    <TD>28</TD>
    <TD id=3Drxd>0x00 0x30</TD>
    <TD>1 byte</TD>
    <TD>? Always 0 ?</TD></TR>
  <TR>
    <TD>29</TD>
    <TD id=3Dtxd>0x00 0x31</TD>
    <TD>0x00</TD>
    <TD>Loop mode off/on/all 0x00 - 0x02</TD></TR>
  <TR>
    <TD>30</TD>
    <TD id=3Dtxd>0x00 0x32</TD>
    <TD>Picture Blocks</TD>
    <TD>Upload Picture for AiR mode</TD></TR>
  <TR>
    <TD>31</TD>
    <TD id=3Dtxd>0x00 0x33</TD>
    <TD></TD>
    <TD>? Get Max Screen Size for Picture Upload ?</TD></TR>
  <TR>
    <TD>32</TD>
    <TD id=3Drxd>0x00 0x34</TD>
    <TD>5 byte 4/1</TD>
    <TD>? 0x00 0x78 0x00 0x41 0x01 ?</TD></TR>
  <TR>
    <TD>33</TD>
    <TD id=3Dtxd>0x00 0x35</TD>
    <TD></TD>
    <TD>Get number of songs in current playlist</TD></TR>
  <TR>
    <TD>34</TD>
    <TD id=3Drxd>0x00 0x36</TD>
    <TD>number</TD>
    <TD>Number of songs in current playlist</TD></TR>
  <TR>
    <TD>35</TD>
    <TD id=3Dtxd>0x00 0x37</TD>
    <TD>0x00 0x00 0x00 0x00</TD>
    <TD>Jump to specified Songnumber</TD></TR></TBODY></TABLE><BR>
<OL>
  <LI>
  <LI>Unknown: But i think the answer 0x01 0x02 means 0x01 Gen3 iPod =
0x02 20GB=20
  <BR>
  <LI>
  <LI>Get iPod Name: The iPod will send the name you gave your iPod. =
From the=20
  7th byte of the receiving String. <BR>
  <LI>Select "playlist" This can either be on of the iTunes Playlists or =

  Artists,Albums,Songs or Genres The first byte descripes the target of =
your=20
  request<BR>0x01 Playlists<BR>0x02 Artists<BR>0x03 Albums<BR>0x04=20
  Songname<BR>0x05 Genre<BR>0x06 Unknown, maybe Composer<BR>
  <LI>Get the amount of the items described in CMD No 5=20
  <LI><BR>
  <LI>Get the name of the items desribed in CMD No 5. The last eight =
byte=20
  describe a requested range. ( From 0x00 0x00 0x00 0x01 to 0x00 0x00 =
0x00 0x1F)=20
  1st to 31 Note: Playlist 0 ist the "Mainplaylist containing all songs" =
the=20
  resulting nameof Playlist 0 is the same as the result of CMD No 3=20
  <LI><BR>
  <LI>Time and status information: will give from the 7th Byte 8 Bytes =
with time=20
  information the first four bytes (7 - 10) give the complete time of =
the=20
  current song (in milliseconds), (11 - 14) show the time which has =
passed (in=20
  milliseconds) the 15th byte gives the status of the playback 0x00 Stop =
0x01=20
  Pause 0x02 Play=20
  <LI><BR>
  <LI>Get position in current playlist=20
  <LI><BR>
  <LI>Get songtitle: You have to send the number in the playlist for the =
song=20
  you are requesting the songname Byte (7 - 10) in the send string. In =
my=20
  example i'm asking for the 0x00 0x00 0x00 0x00 song (the first song). =
The=20
  String from the iPod contains from the 7th Byte on the songtitle.=20
  <LI><BR>
  <LI>Get artistname: You have to send the number in the playlist for =
the song=20
  you are requesting the artistname Byte (7 - 10) in the send string. In =
my=20
  example i'm asking for the 0x00 0x00 0x00 0x00 song (the first song). =
The=20
  String from the iPod contains from the 7th Byte on the artistname.=20
  <LI><BR>
  <LI>Get albumname: You have to send the number in the playlist for the =
song=20
  you are requesting the albumname Byte (7 - 10) in the send string. In =
my=20
  example i'm asking for the 0x00 0x00 0x00 0x00 song (the first song). =
The=20
  String from the iPod contains from the 7th Byte on the albumname.=20
  <LI><BR>
  <LI>Start polling mode: if the parameter is 0x01 the ipod sends when =
playback=20
  is started all 500 msec the passed time 0x00 as parameter turns =
polling off=20
  <LI><BR>
  <LI>Executes the Playlist switch specified in CMD No 5 and jumps to =
the=20
  specified songnumber <BR>
  <LI>The Playback Control for the AiR Mode:<BR><BR>0x01 =
Play/Pause<BR>0x02=20
  Stop<BR>0x03 Skip++<BR>0x04 Skip--<BR>0x05 FFwd<BR>0x06 FRwd<BR>The =
main=20
  difference to the commands of the original remote is that there is no =
stop=20
  word necessary and the backlight will not flash up <BR>
  <LI>
  <LI><BR>
  <LI>Turn shuffle mod on for songs 0x01, on for albums 0x02, or off<BR>
  <LI>
  <LI><BR>
  <LI>Turn loop mod on for songs 0x01, on for albums 0x02, or off<BR>
  <LI>The command to upload a picture displayed while in AiR mode<BR>The =

  transfer is done in blocks. The first block includes the picture=20
  header<BR>0xFF 0x55 0x6E 0x04 0x00 0x32 0x00 0x00 0x01 0x00 0x78 0x00 =
0x40=20
  0x00 0x00 0x00 0x20<BR><BR>0x78 is the width, 0x40 is the height 0x00 =
0x00=20
  0x00 0x20 must be set in conection with the width<BR><BR>0x71 - 0x78 =
-&gt;=20
  0x20<BR>0x61 - 0x6F -&gt; 0x1C<BR>0x51 - 0x5F -&gt; 0x18<BR>0x41 - =
0x4F -&gt;=20
  0x14<BR>0x31 - 0x3F -&gt; 0x10<BR>0x21 - 0x2F -&gt; 0x0C<BR>0x11 - =
0x1F -&gt;=20
  0x08<BR>0x01 - 0x0F -&gt; 0x04<BR><BR>From the second block on the =
last two=20
  bytes of the blockheader (0x00 0x01) count the blocks<BR><BR>0xFF 0x55 =
0x6E=20
  0x04 0x00 0x32 0x00 0x01 <BR>A colordepth of 2-bit is used. You only =
have to=20
  send the amount of pixels necessary for the picture tp satisfy the =
iPod It=20
  seems that there should be 3 lines of pixeldata in each block.<BR>You =
can see=20
  if the command was valid when you watch the response string for each=20
  block<BR>Good response is 0xFF 0x55 0x06 0x04 0x00 0x01 0x00 0x00 0x32 =

  0xC3<BR>Bad response 0xFF 0x55 0x06 0x04 0x00 0x01 0x04 0x00 0x32=20
  0xBF<BR><BR>Below a width of 0x10 fillbits are used (only every 4th =
nibble of=20
  the picturedata is taken for the picture) <BR><A=20
  =
href=3D"http://stud3.tuwien.ac.at/~e0026607/ipod_remote/extend/picttest_1=
20_64_2bit.zip">--&gt;=20
  Demo pic download 120x64 2-bit &lt;--</A> <BR>
  <LI>This Command seems to give the max possible size of a picture to =
upload=20
  and maybe the number of colors (Should be verified by a iPod photo =
owner)=20
  <LI><BR>
  <LI>Gets the number of songs in the current playlist
  <LI><BR>
  <LI>Similar to CMD No 22 this command jumps to the specified =
songnumber but=20
  will not jump out of the current playlist<BR></LI></OL><BR><BR>
<H3>Contact:</H3><A=20
href=3D"mailto:[e-mail]">[e-mail].=
at</A>=20
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