IPOD Accessory Protocol

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IPOD Accessory protocol.rar

1.Overview

1.1 Lingo Introduce.

Lingo 0x00 – General 

Lingo 0x01 – Microphone

Lingo 0x02 – Simple Remote

Lingo 0x03 – Display Remote

Lingo 0x04 – Advanced iPod Remote (AiR)

Lingo 0x05 – RF Transmitter

Lingo 0x06 – Reserved 

......

Lingo 0xFF – Reserved 

1.2 Command Format.

Small packet format

Byte number Value Meaning

0x00 0xFF Sync byte

0x01 0x55 Packet start byte

0x02 0xNN Packet payload length

0x03 0xNN Lingo ID

0x04 0xNN Command ID

0x05 0xNN Command data

....

0xNN 0xNN Packet payload checksum (last)

Large packet format

Byte number Value Meaning

0x00 0xFF Sync byte

0x01 0x55 Packet start byte

0x02 0x00 Packet payload length marker

0x03 0xNN Packet payload length (bits 15:8)

0x04 0xNN Packet payload length (bits 7:0)

0x05 0xNN Lingo ID

0x06 0xNN Command ID

0x07 0xNN Command data

0xNN 0xNN Packet payload checksum

2. General 0x00

Command ID Data length Protocol Authentication Required

RequestIdentify 0x00 0x00 All No

Identify 0x01 0x01 All No

ACK 0x02 0x01 or 0x05 1.00 No

Reserved 0x03-0x06 N/A N/A N/A

RequestiPodName 0x07 0x00 1.00 No

ReturniPodName 0x08 0xNN 1.00 No

RequestiPodSoftwareVersion 0x09 0x00 1.00 No

ReturniPodSoftwareVersion 0x0A 0xNN 1.00 No

RequestiPodSerialNum 0x0B 0x00 1.00 No

ReturniPodSerialNum 0x0C 0xNN 1.00 No

RequestiPodModelNum 0x0D   0x00 1.00   No

ReturniPodModelNum   0x0E   0x04 + 0xNN   1.00   No

RequestLingoProtocolVersion   0x0F   0x01   1.00   No

ReturnLingoProtocolVersion 0x10   0x03   1.00   No

Reserved   0x11 – 0x12 N/A   N/A   N/A

IdentifyDeviceLingoes   0x13   0x0C   1.01   No

GetDevAuthenticationInfo   0x14   0x02   1.01   No

RetDevAuthenticationInfo   0x15   0x04   1.01   No

AckDevAuthenticationInfo   0x16   0x03   1.01   No

GetDevAuthenticationSignature 0x17   0x13   1.01   No

RetDevAuthenticationSignature   0x18   0xNN   1.01   No

AckDevAuthenticationStatus   0x19 0x03 1.01 No

GetiPodAuthenticationInfo 0x1A 0x02 1.01 No

RetiPodAuthenticationInfo 0x1B 0x08 1.01 No

AckiPodAuthenticationInfo 0x1C 0x03 1.01 No

GetiPodAuthenticationSignature 0x1D 0x15 1.01 No

RetiPodAuthenticationSignature 0x1E 0xNN 1.01 No

AckiPodAuthenticationStatus 0x1F 0x03 1.01 No

Reserved 0x20 – 0x22 N/A N/A N/A

NotifyiPodStateChange 0x23 0x01 1.02 No

Reserved 0x24 – 0xFF N/A N/A N/A

2. Microphone 0x01

Command ID Data length Protocol Authentication Required

BeginRecord 0x00 0x00 All No

EndRecord 0x01 0x00 All No

BeginPlayback 0x02 0x00 All No

EndPlayback 0x03 0x00 All No

ACK 0x04 0x02 1.01 Yes

GetDevAck 0x05 0x00 1.01 Yes

iPodModeChange 0x06 0x01 1.01 Yes

GetDevCaps 0x07 0x00 1.01 Yes

RetDevCaps 0x08 0x04 1.01 Yes

GetDevCtrl 0x09 0x00 1.01 Yes

RetDevCtrl 0x0A 0x02 1.01 Yes

SetDevCtrl 0x0B 0x02 1.01 Yes

Reserved 0x0C – 0xFF N/A N/A N/A

3. Simple Remote 0x02

Button Name Number Byte Index Button Bitmask

Play/Pause 0 0x0 0x01

Volume Up 1 0x0 0x02

Volume Down 2 0x0 0x04

Next Track 3 0x0 0x08

Previous Track 4 0x0 0x10

Next Album 5 0x0 0x20

Previous Album 6 0x0 0x40

Stop 7 0x0 0x80

Play/Resume 8 0x1 0x01

Pause 9 0x1 0x02

Mute toggle 10 0x1 0x04

Next Chapter 11 0x1 0x08

Previous Chapter 12 0x1 0x10

Next Playlist 13 0x1 0x20

Previous Playlist 14 0x1 0x40

Shuffle Setting Advance 15 0x1 0x80

Repeat Setting Advance 16 0x2 0x01

Power On 17 0x2 0x02

Power Off 18 0x2 0x04

Backlight 30 Seconds 19 0x2 0x08

Begin Fast Forward 20 0x2 0x10

Begin Rewind 21 0x2 0x20

Menu 22 0x2 0x40

Select 23 0x2 0x80

Up Arrow 24 0x3 0x01

Down Arrow 25 0x3 0x02

Reserved 26-31 0x3 0xFC

4. Display Remote 0x03

Command ID Data length Protocol Authentication Required

ACK 0x00 0x02 1.0 No

GetCurrentEQProfileIndex 0x01 0x00 1.00 No

RetCurrentEQProfileIndex 0x02 0x04 1.00 No

SetCurrentEQProfileIndex 0x03 0x05 1.00 No

GetNumEQProfiles 0x04 0x00 1.00 No

RetNumEQProfiles 0x05 0x04 1.00 No

GetIndexedEQProfileName 0x06 0x04 1.00 No

RetIndexedEQProfileName 0x07 0xNN 1.00 No

SetRemoteEventNotification 0x08 0x04 1.02 Yes

RemoteEventNotification 0x09 0xNN 1.02 Yes

GetRemoteEventStatus 0x0A 0x00 1.02 Yes

RetRemoteEventStatus 0x0B 0x04 1.02 Yes

GetiPodStateInfo 0x0C 0x01 1.02 Yes

RetiPodStateInfo 0x0D 0xNN 1.02 Yes

SetiPodStateInfo 0x0E 0xNN 1.02 Yes

GetPlayStatus 0x0F 0x00 1.02 Yes

RetPlayStatus 0x10 0x0D 1.02 Yes

SetCurrentPlayingTrack 0x11 0x04 1.02 Yes

GetIndexedPlayingTrackInfo 0x12 0x07 1.02 Yes

RetIndexedPlayingTrackInfo 0x13 0xNN 1.02 Yes

GetNumPlayingTracks 0x14 0x00 1.02 Yes

RetNumPlayingTracks 0x15 0x04 1.02 Yes

Reserved 0x16 – 0x19 N/A N/A N/A

GetPowerBatteryState 0x1A 0x00 1.02 No

RetPowerBatteryState 0x1B 0x02 1.02 No

GetSoundCheckState 0x1C 0x00 1.02 No

RetSoundCheckState 0x1D 0x01 1.02 No

SetSoundCheckState 0x1E 0x02 1.02 No

Reserved 0x1F – 0xFF N/A N/A N/A

5. Advanced iPod Remote (AiR) 0x04

Command ID Engine Protocol Authentication Required

Reserved 0x0000 N/A N/A N/A

Acknowledge 0x0001 N/A 1.00 No

GetCurTrackChapter 0x0002 Playback Engine 1.06 No

ReturnCurTrackChapter 0x0003 Playback Engine 1.06 No

SetCurTrackChapter 0x0004 Playback Engine 1.06 No

GetCurTrChPlayStatus 0x0005 Playback Engine 1.06 No

ReturnCurTrChPlayStatus 0x0006 Playback Engine 1.06 No

GetCurTrChName 0x0007 Playback Engine 1.06 No

ReturnCurTrChName 0x0008 Playback Engine 1.06 No

GetAudiobookSpeed 0x0009 N/A 1.06 No

ReturnAudiobookSpeed 0x000A N/A 1.06 No

SetAudiobookSpeed 0x000B N/A 1.06 No

GetIndexedPlayingTrackInfo 0x000C Playback Engine 1.08 No

ReturnIndexedPlayingTrackInfo 0x000d N/A 1.08 No

Reserved 0x000E N/A N/A N/A

Reserved 0x000F N/A N/A N/A

Reserved 0x0010 N/A N/A N/A

Reserved 0x0011 N/A N/A N/A

RequestProtocolVersion 0x0012  N/A 1.00 No

ReturnProtocolVersion 0x0013 N/A 1.00 No

RequestiPodName 0x0014 N/A 1.00 No

ReturniPodName 0x0015 N/A 1.00 No

ResetDBSelection 0x0016 Database Engine 1.00 No

SelectDBRecord 0x0017 Database Engine 1.00 No

GetNumCateDBRecords 0x0018 Database Engine 1.00 No

ReturnNumCateDBRecords 0x0019 N/A 1.00 No

RetrieveCateDatabaseRecords 0x001A Database Engine 1.00 No

ReturnCate DatabaseRecord 0x001B N/A 1.00 No

GetPlayStatus 0x001C Playback Engine 1.00 No

ReturnPlayStatus 0x001D N/A 1.00 No

GetCurPlayingTrackIndex 0x001E Playback Engine 1.00 No

ReturnCurPlayingTrackIndex 0x001F N/A 1.00 No

GetIndexedPlayingTrTitle 0x0020 Playback Engine 1.00 No

ReturnIndexedPlayingTrTitle 0x0021 N/A 1.00 No

GetIndexedPgTrArName 0x0022 Playback Engine 1.00 No

ReturnIndexedPgTrArName 0x0023 N/A 1.00 No

GetIndexedPgTrAlName 0x0024 Playback Engine 1.00 No

ReturnIndexedPgTrAlName 0x0025 N/A 1.00 No

SetPlayStatusChgNotifi 0x0026 Playback Engine 1.00 No

PlayStatusChgNotifi 0x0027 N/A 1.00 No

PlayCurrentSelection 0x0028 Boths Engines 1.00 No

PlayControl 0x0029 Playback Engine 1.00 No

Reserved 0x002B N/A N/A N/A

Reserved 0x002A N/A N/A N/A

GetShuffle 0x002C N/A 1.00 No

ReturnShuffle 0x002D N/A 1.00 No

SetShuffle 0x002E N/A 1.00 No

GetRepeat 0x002F N/A 1.00 No

ReturnRepeat 0x0030 N/A 1.00 No

SetRepeat 0x0031 N/A 1.00 No

SetDisplayImage 0x0032 N/A 1.01 No

GetMonoDispImageLimits 0x0033 N/A 1.01 No

ReturnMonoDispImageLimits 0x0034 N/A 1.01 No

GetNumPlayingTracks 0x0035 Playback Engine 1.01 No

ReturnNumPlayingTracks 0x0036 N/A 1.01 No

SetCurrentPlayingTrack 0x0037 Playback Engine 1.01 No

SelectSortDBRecord 0x0038 Database Engine 1.01 No

GetColorDispImageLimits 0x0039 N/A 1.09 No

ReturnColorDispImageLimits 0x003A N/A 1.09 No

Reserved 0x003B N/A N/A N/A

Reserved

6.RF Transmitter Lingo 0x05

Command ID Data length Protocol Authentication Required

Reserved 0x00 – 0x01 N/A N/A N/A

Begin transmission 0x02 0x00 All No

End transmission 0x03 0x00 All No

Reserved 0x04 – 0xFF N/A N/A N/A