(Topic ID: 319278)

Programable Security Chip for Williams WPC-S, WPC-95

By JarekC

1 year ago


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  • 21 posts
  • 14 Pinsiders participating
  • Latest reply 62 days ago by Wharhed
  • Topic is favorited by 13 Pinsiders

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    #8 1 year ago

    Very interesting work.

    1 year later
    #18 63 days ago
    Quoted from JarekC:

    Project is finished (tested by several users) and availiable mainly in Europe.
    Program and firmware V1.01 are available for download from the flippermarkt.de forum.
    The thread can be found via my nik (JarekC)
    The processor has a preprogrammed bootloader that allows the firmware to be updated by the user.
    The project is not open source.
    Two versions are available:
    V1 standard: current firmware V1.01
    Firmware history:
    V1.00 - inital version
    V.101 - fixed bug related to timer function
    V2 special : current firmware V2.00
    Firmware history:
    V2.00 - inital version
    The special version allows the matrix state to be transmitted outside the chip via the USART port.
    The matrix state is transmitted in packets of 8 bytes, which corresponds to the state of 64 switches.
    The transmission parameters are 115200, n,8,2
    In the new version, Jumper has a double role
    - when it is closed, it puts the chip in the programming state
    - when open, it works as a UART (Tx) port
    The system in this version allows you to build modifications to the flipper that require information about the state of the switches.
    The new PCB allows you to build versions 1.0x and 2.0x
    BR JarekC[quoted image]

    Very interesting!

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