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TT Sirius USB interface

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  • TT Sirius USB interface

    So far, i'm dissapointed with the TimeTrax Sirius dongle. I had pre-ordered it in March long before Mitch's product was around. Now it looks like this is going to the ebay graveyard and i'll be picking up his interface.

    Last night I started working on figuring out the TT protocol. Unfortunately, they seem to use a hash checksum of some sort. Or i'm just still half asleep. Here's what i've found so far. Any input is welcome.

    ---------------------
    //Port is opened at 9600

    SEND: 2A 2A 2A 2A 2A 4D 4F 44 45 4D 54 45 53 54 2A 2A 2A 2A 2A
    SEND: 41

    // This string changes each time the adapter is initialized
    RECV: 3E 3E 40 3C 7E 7A 67 DF 6D 5B 61 0B 29 85 B2
    // The answer also changes
    SEND: D8 A7 AF 78 33 B0 0A C2 29 E0 8E 40 A3 7A F7 71 1A 8F ED 44 50

    // Failure point - not received unless, i'm guessing, the above is acc
    RECV: 50 0D 0A FF

    // Port is switched to 57600

    SEND: A4 03 00 41 00 02 00 09 0D
    RECV: A4 03 00 41 80 00 98 A4 03 00 01 00 03 80 00 00 D5

    SEND: A4 03 00 01 80 00 00 D8
    RECV: A4 03 00 01 00 03 80 00 00 D5 A4 03 00 01 00 03 80 00 00 D5 A4 03 00 02 00 04 20 09 00 00 2A

    SEND: A4 03 00 02 80 00 00 D7
    RECV: A4 03 00 02 00 04 20 09 00 00 2A A4 03 00 02 00 04 20 09 00 00 2A

    SEND: A4 03 00 42 00 03 00 08 03 09
    RECV: A4 03 00 01 00 03 80 00 00 D5 A4 03 00 01 00 03 80 00 00 D5 A4 03 00 01 00 03 80 00 00 D5

    SEND: A4 03 00 01 80 00 00 D8
    RECV: A4 03 00 42 80 00 97 A4 03 00 02 00 04 20 08 00 00 2B

    SEND: A4 03 00 02 80 00 00 D7
    RECV: A4 03 00 02 00 04 20 08 00 00 2B A4 03 00 02 00 04 20 08 00 00 2B

    SEND: A4 03 00 43 00 03 00 02 7F 92
    RECV: A4 03 00 43 80 00 96 A4 03 00 03 00 04 20 02 02 01 2D

    SEND: A4 03 00 03 80 00 00 D6
    RECV: A4 03 00 03 00 04 20 02 02 01 2D A4 03 00 03 00 04 20 02 02 01 2D

    SEND: A4 03 00 44 00 02 40 18 BB
    RECV: A4 03 00 44 80 00 95 A4 03 00 04 00 07 60 18 00 00 01 01 00 D4

    SEND: A4 03 00 04 80 00 00 D5
    RECV: A4 03 00 04 00 07 60 18 00 00 01 01 00 D4 A4 03 00 04 00 07 60 18 00 00 01 01 00 D4

    SEND: A4 03 00 45 00 02 40 11 C1
    // XX's represent radio serial
    RECV: A4 03 00 45 80 00 94 A4 03 00 05 00 11 60 11 00 00 0C XX XX XX XX XX XX XX XX XX XX XX XX 5D

    SEND: A4 03 00 05 80 00 00 D4
    // XX's represent radio serial
    RECV: A4 03 00 05 00 11 60 11 00 00 0C XX XX XX XX XX XX XX XX XX XX XX XX 5D A4 03 00 05 00 11 60 11 00 00 0C XX XX XX XX XX XX XX XX XX XX XX XX 5D

    SEND: A4 03 00 46 00 06 00 0A 00 00 00 0B F8
    RECV: A4 03 00 46 80 00 93 A4 03 00 06 00 04 20 0A 04 01 20

    SEND: A4 03 00 06 80 00 00 D3
    RECV: A4 03 00 06 00 04 20 0A 04 01 20

    SEND: A4 03 00 47 00 06 00 0A 01 00 00 0B F6
    RECV: A4 03 00 06 00 04 20 0A 04 01 20 A4 03 00 47 82 00 90

    SEND: A4 03 00 47 00 06 00 0A 01 00 00 0B F6
    // Here come's channel data "Hits 1 Sirius Hits 1 POP"
    RECV: A4 03 00 47 80 00 92 A4 03 00 07 00 24 20 0A 00 00 01 02 00 00 00 06 48 69 74 73 20 31 0D 53 69 72 69 75 73 20 48 69 74 73 20 31 03 50 4F 50 00 00 8B A4 03 00 07 00 24 20 0A 00 00 01 02 00 00 00 06 48 69 74 73 20 31 0D 53 69 72 69 75 73 20 48 69 74 73 20 31 03 50 4F 50 00 00 8B
    ---------------------

    Here are two more successful challenge/responses.

    ---------------------
    RECV: 3E 3E 83 4F 2C 88 F2 2B B3 39 7E 1F 15 63 46
    SEND: 1E 7C 6F C4 40 D8 EE 97 F4 B3 24 70 8F 82 BB 7C FE 85 2E 16 50
    ---------------------
    RECV: 3E 3E 4C 24 0D 02 E2 F5 A0 F4 A1 0A 59 25 1B
    SEND: 1A 80 FB 2D EA 77 71 D9 D6 C0 58 4C 13 2E 39 14 6D 62 E1 37 50

    M7NCG w/ mobile 2400+ | 512mb DDR400
    3.5" HDD | Slim DVD/CD-RW
    Linksys USB Wifi | Belkin USB BlueTooth
    Opus 150w | Xenarc 7"
    RoadRunner - Thanks Guino!
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