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RM57Lx lauchpad cannot connected

Youngjong Lee
Prodigy 50 points

I am practicing project0 (blink led example) with RM57Lx launchpad.

The exam source is succeed to compile. 

But debugging is not possible. When I click debug button in CCS sw, below message printed.

Error connecting to the target:
(Error -260 @ 0x0)
An attempt to connect to the XDS110 failed.
The cause may be one or more of: invalid firmware update, invalid
XDS110 serial number, or faulty USB connection. The firmware and
serial number may be updated using the xdsdfu utility found in
the .../ccs_base/common/uscif/xds110 directory of your
installation. View the ReadMe.txt file there for instructions.
(Emulation package 5.1.641.0)

But xds110 device driver works well which can be confirmed by Device manager of windows.

I checked the connection with "xdsdfu.exe"(xdsdfu -e) then 0 device founded.

What is wrong? How can I solve this problem?

  • 0
    TI__Mastermind 49120 points
    We are looking into this and will get back to you soon. Sorry for the delay.

    Regards,
    Sunil
  • 0 in reply to Sunil Oak
    TI__Guru 65570 points

    Youngjong,

    Is the CURR LIM LED 9 on?

    In any case, please check the voltages on the board,  JP2 should read +3V3, JP3 should read +5V, and the test point near J8 labeled +1v2 should read +1.2V with respect to GND.  There are 4 GND points on the corners of the board.

    Would also be good to make sure your board is plugged into a powered hub.  An unpowered hub won't be able to power the board properly.

    -Anthony

  • 0 in reply to Sunil Oak
    Prodigy 50 points

    I will wait for your answer. 

    Regards, YJLee

  • 0 in reply to Sunil Oak
    Prodigy 50 points
    I will wait for your answer.

    Regards, YJLee
  • 0 in reply to Anthony F. Seely
    Prodigy 50 points
    LEDs on/off state is below.
    LED9 is turned off.
    LED7 is on, LED8 is off. (XDS110 ready to connect case??)
    LED6 is on (5V ON??)
    LED1 is on (ERR ??)
    LED2 blink

    And I checked those points that you say.
    JP2= 3.3V
    JP3=5V
    Test point near J8 that silk label '+1V2' = 1.2V

    I think that the problem is not related power issue.
  • 0 in reply to Youngjong Lee
    TI__Guru 65570 points
    Youngjong,

    Ok so if XDSDFU -e returns 0 device found, but at the same time all your voltages are good, I'm not sure what to say.
    Even if the TM4C part that is used in the XDS110 were blank - it should show up as a Stellaris DFU device when your run XDSDFU -e. If it's programmed it should show up as XDS110 with CMSIS-DAP.

    You mentioned though that windows Device Manager seems to show the device connected. It would be good to know what it reports. Does it show up as an XDS110 in the windows device manager? If so when you click on hardware, what functions does it display (should be a list of 7 different functions, HID, composite, input, 2 COM ports, a data port, and a debug probe).
  • 0 in reply to Anthony F. Seely
    Prodigy 50 points

    When RM57Lx launchpad is connected to pc by usb port,  

    XDS110 Class Data Port

    XDS110 Class Debug Probe

    XDS110 Class Application/User UART(COM88)

    XDS110 Class Auxiliary Data Port(COM49)

    total 4 devices is appeared on Window Device Manager.

    Regards, YJLEE