Monday, 14 October 2013

Remote control audi radio

audi radio (concert in my case) remote control protocol spec:
5V LOGIC idle state is HIGH (5V)

start bit:
 9ms LOW
4.55ms HIGH

 logic 1:
~600us LOW ~1700us HIGH

logic 0:
~600us LOW ~600us HIGH

stop bit:
~600us LOW

I use arduino duemilanove as logic analyzer, 10kHz sampling. OLS in version 0.9.7 already has arduino as input option, so no need for copying config files to plugins directory, actualy it's not working with this files.

I have MFSW without telephone option, so I read codes just for radio:

UP:       0x41E8D02F
DOWN: 0x41E850AF
LEFT:   0x41E840BF
RIGHT: 0x41E8C03F
VOL+:  0x41E8807F
VOL-:    0x41E800FF

code is always 0x41 0xE8 X 0xFF-X

after this i made simple arduino code to test all combination 0x00-0xFF with LCD sheel.

Emulator code is on github.


Discovered codes:


0x00 Volume down
0x01 mem/cd1
0x02
0x03 mem/cd3
0x04
0x05 mem/cd5
0x06
0x07 search up
0x08
0x09 reg on/off
0x0A
0x0B tp
0x0C
0x0D
0x0E
0x0F
0x10
0x11 AM
0x12
0x13
0x14
0x15 AS-STORE
0x16
0x17 FM
0x18
0x19
0x1A
0x1B
0x1C
0x1D search down
0x1E
0x1F
0x20 AM->AM+AS->FM1->FM2->FM1+AS->FM2->AS/in CD mode “RD”
0x21
0x22 AM->AM+AS->FM1->FM2->FM1+AS->FM2->AS/in CD mode “RD”
0x23
0x24 AM->AM+AS->FM1->FM2->FM1+AS->FM2->AS/in CD mode “RD”
0x25
0x26 AM->AM+AS->FM1->FM2->FM1+AS->FM2->AS/in CD mode “RD”
0x27
0x28
0x29 TP
0x2A
0x2B search up
0x2C
0x2D
0x2E
0x2F
0x30
0x31
0x32
0x33
0x34
0x35
0x36
0x37
0x38
0x39
0x3A
0x3B
0x3C seek up
0x3D
0x3E
0x3F
0x40 LEFT FM1 6-5-4-3-2-1-FM2 6-5-4-3-2-1
0x41
0x42 LEFT FM1 6-5-4-3-2-1-FM2 6-5-4-3-2-1
0x43
0x44 LEFT FM1 6-5-4-3-2-1-FM2 6-5-4-3-2-1
0x45
0x46 LEFT FM1 6-5-4-3-2-1-FM2 6-5-4-3-2-1
0x47
0x48
0x49
0x4A
0x4B
0x4C
0x4D
0x4E
0x4F
0x50 Seek down/FR
0x51
0x52 Seek down/FR
0x53
0x54 Seek down/FR
0x55
0x56 Seek down/FR
0x57
0x58
0x59
0x5A
0x5B
0x5C
0x5D
0x5E
0x5F
0x60 Seek down/FR
0x61
0x62 seek down
0x63
0x64 seek down
0x65
0x66
0x67
0x68
0x69
0x6A
0x6B
0x6C
0x6D
0x6E
0x6F
0x70
0x71
0x72
0x73
0x74
0x75
0x76
0x77
0x78
0x79
0x7A
0x7B
0x7C
0x7D
0x7E
0x7F
0x80 Volume up
0x81 Volume up
0x82 Volume up
0x83 Volume up
0x84 Volume up
0x85 Volume up
0x86 Volume up
0x87
0x88
0x89 -2 Volume down bas/treble down/fade rear/bal left
0x8A
0x8B -4 Volume down bas/treble down/fade rear/bal left
0x8C
0x8D -6 Volume down bas/treble down/fade rear/bal left
0x8E
0x8F -8 Volume down/fade rear/bal left
0x90
0x91
0x92
0x93
0x94
0x95
0x96
0x97 TP
0x98
0x99
0x9A
0x9B SCAN
0x9C
0x9D
0x9E
0x9F
0xA0 MODE
0xA1
0xA2 MODE
0xA3
0xA4 MODE
0xA5
0xA6 MODE
0xA7
0xA8
0xA9
0xAA
0xAB
0xAC
0xAD
0xAE
0xAF
0xB0
0xB1
0xB2
0xB3
0xB4
0xB5
0xB6
0xB7
0xB8
0xB9
0xBA
0xBB
0xBC
0xBD
0xBE
0xBF
0xC0 RIGHT FM1 6-5-4-3-2-1-FM2 6-5-4-3-2-1
0xC1
0xC2 RIGHT FM1 6-5-4-3-2-1-FM2 6-5-4-3-2-1
0xC3
0xC4 RIGHT FM1 6-5-4-3-2-1-FM2 6-5-4-3-2-1
0xC5
0xC6 RIGHT FM1 6-5-4-3-2-1-FM2 6-5-4-3-2-1
0xC7
0xC8
0xC9
0xCA
0xCB
0xCC
0xCD
0xCE
0xCF
0xD0 Seek up/FF
0xD1
0xD2 Seek up/FF
0xD3
0xD4 Seek up/FF
0xD5
0xD6 Seek up/FF
0xD7
0xD8
0xD9
0xDA
0xDB
0xDC
0xDD
0xDE
0xDF
0xE0 seek up
0xE1
0xE2 seek up
0xE3
0xE4 seek up
0xE5
0xE6 seek up
0xE7
0xE8
0xE9
0xEA
0xEB
0xEC
0xED
0xEE
0xEF
0xF0
0xF1
0xF2
0xF3
0xF4
0xF5
0xF6
0xF7
0xF8
0xF9
0xFA
0xFB
0xFC
0xFD
0xFE
0xFF
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8 comments:

  1. Unknown12 December 2016 at 16:38

    Hello,
    do you think that this is works for all Audi factory radio?

    ReplyDelete
  2. Unknown12 December 2016 at 17:27

    Hello,
    such a great solution congratulation!
    May i ask that if you don't have the MFSW how would you figure out the radio Remote protocol?

    ReplyDelete
    Replies
    1. Unknown4 February 2017 at 12:28

      Hi
      Csak annyit lehet csinálni hogy megnézni különböző rádiókat azok milyen parancssor várnak, és végig beküldözgetni a rádióba, figyelni melyik parancsra reagál valami funkció. Akár azt is tudod használni amit ő csinált.

      Delete
    2. Unknown13 March 2017 at 19:02

      I tried the code on GB but unfortunatly makes nothing my radio is made by Blaupunkt and Concert maxe by Panasonic maybe they use different protocols.
      I also tried to remote with an Blaupunkt ir remote control but also did not works.
      When i connect the arduino to the radio pin11 i hear clicking noise but thats all

      Delete
  3. Unknown12 December 2016 at 17:49

    Hello,
    congrats super solution!May i ask you if you dont have MFSW how would you decode the radio remote input protocoll?

    ReplyDelete
    Replies
    1. kovo12 December 2016 at 20:18

      I think that it's imposible to guess it. It's to complicated.

      Delete
  4. Unknown15 February 2017 at 22:14

    Hello,

    thank you for your answer,i have written an arduino program based on your code on Github but unfortunatly it is not working,would you check what would be the problem?

    ReplyDelete
  5. Unknown15 February 2017 at 22:17

    Hello,

    based on your code i have written an arduino program to remote the radio with push buttons but it does not work,i uploaded to your Github site would you check what could be the problem?thank you

    ReplyDelete

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