[SOLVED] J-Link Remote Server Unknown EMU command #28

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  • [SOLVED] J-Link Remote Server Unknown EMU command #28


    I'm using J-Link tools version 6.32c and trying to test the remote server function with a USB J-Link. I run remote server on one Windows 10 machine. I then launch J-Link Commander on the second Windows 10 machine within the same LAN.

    After executing a connect command I eventually receive a message box on Remote Server stating "Unknown EMU command #28 received. Discontinuing parsing of communication".

    Thank you for your help,

    Below is a capture of the Commander console and error.

    Type "connect" to establish a target connection, '?' for help
    Please specify device / core. : STM32F412RG
    Type '?' for selection dialog
    Please specify target interface:
    J) JTAG (Default)
    S) SWD
    Specify target interface speed [kHz]. : 4000 kHz
    Device "STM32F412RG" selected.

    Connecting to target via SWD
    Found SW-DP with ID 0x2BA01477
    Device will be unsecured now.
    Found SW-DP with ID 0x2BA01477
    Scanning AP map to find all available APs
    AP[1]: Stopped AP scan as end of AP map has been reached
    AP[0]: AHB-AP (IDR: 0x24770011)
    Iterating through AP map to find AHB-AP to use
    AP[0]: Core found
    AP[0]: AHB-AP ROM base: 0xE00FF000
    CPUID register: 0x410FC241. Implementer code: 0x41 (ARM)
    Found Cortex-M4 r0p1, Little endian.
    FPUnit: 15 code (BP) slots and 15 literal slots
    CoreSight components:
    ROMTbl[0] @ E00FF000

    ****** Error: Communication timed out: Requested 4 bytes, received 0 bytes !
    Cannot connect to target.
  • Hello,

    Thank you for your inquiry.
    The issue is already known and has been internally fixed.
    A fixed release is planned to be available in the next 1-2 weeks.

    To stay up to date with our J-Link software releases we suggest subscribing to our notification list:

    Best regards,
    Please read the forum rules before posting: Forum Rules

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