Siku IR protocol for John Deere 8345R (example)

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    cky
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    Hi,

    have anybody the Siku dataprotocol for the John Deere 8345R (https://www.siku.de/shop/media/productsThumb/11689900000_01_1000_600.jpg) already decoded?

    I traced the SPI between the RF receiver (AMD A7125) and the MCU. It seems that a datachunk is 19 bytes and every 2 chunk is equal.
    I expected that only one byte (or bit) is changed, when I press a button (f.e. X) – but there are several bytes changed in the chunk.

    I assumed the following SPI parameters:
    – CPOL 0
    – CHPA 1
    – 8 bit
    – MSB first

    Have anyone this protocol/communication decoded? 🙂

    Thanks in advance 🙂

    Thomas

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