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CCS/TMS320F28377S: XDS100/200/510 cannot connect to CCS in customer some computers

Eric Ma
Intellectual 2630 points

Part Number: TMS320F28377S

Tool/software: Code Composer Studio

Hi CCS champion

Cusotmer found XDS emulators cannot connect to CCS recently, which can be connected before. Now 5 computer have this problem. They tried some methods and have their IT help, but still cannot solve the problem.

1. Win7 system, both encrype system or not encrype system computer have this problem.

2. uninstall CCS and install again, cannot solve problem.

3. use customer own laptop computer, all the emulator can connect to CCS.

4. uninstall XDS driver cannot solve the problem. And found XDS will disappear in PC device manager after connect to PC for a while.

below are the fail information.

  • 0
    TI__Guru**** 163175 points
    Eric,

    Rafael will reply on Monday.

    In the troubleshooting guide:
    dev.ti.com/.../

    That error is mentioned:
    Device register
    This error means the JTAG debugger is unable to access the core or device on the board.

    Technically speaking, this happens if the JTAG debugger fails to access an ICEPick register (exceptions are MSP430, Stellaris and some C2000 Wireless connectivity and Digital Power MCUs, which do not have an ICEPICK). If the ICEPick driver reports this error immediately upon connect, it's likely a hard fail with the JTAG connection itself (loose cables or connections, etc.). However, if the error happens later in the debug session the reasons are different (perhaps the reliability of the JTAG connection due to noise, etc.).

    To properly debug and correct this error please refer to the section Troubleshooting the connect phase above.

    Error connecting to the target:
    (Error -2131 @ 0x0)
    Unable to access device register. Reset the device, and retry the operation. If
    error persists, confirm configuration, power-cycle the board, and/or try

    Regards,
    John
  • 0
    TI__Guru**** 171839 points
    Eric,

    John pointed to a good reference about this error.

    However, given this is a F28377S I have to ask: is your customer using the Launchpad board? If so, make sure the device-side of this board is properly powered.

    Since this board has an isolated XDS100v2, it is very common to get this error -2131 when the device-side of this board is inadvertently left unpowered.

    If this error happens at random times, as John mentioned you should inspect the cables and connections accordingly.

    This is not a problem related to Windows device drivers.

    Hope this helps,
    Rafael