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CCS/LAUNCHXL-CC26X2R1: LAUNCHXL-CC26X2R1 debugging with JLINK EDU Mini

John Osen
Genius 3585 points
Part Number: LAUNCHXL-CC26X2R1
Other Parts Discussed in Thread: SEGGER

Tool/software: Code Composer Studio

Using the following toolset:

Code Composer Studio Version: 8.0.0.00016

JLINK EDU Mini

TI’s LAUNCHXL-CC26X2R1

 

How do I lash in the JLINK? What documentation there is on the launchpad says to remove all the jumpers and used the Target-In connector.

I get the following error when trying to debug:

 

CORTEX_M4_0: GEL Output:

Memory Map Initialization Complete

CORTEX_M4_0: Error: Stat [ JLINKARM_IsHalted() call ] failed!

CORTEX_M4_0: Unable to determine target status after 20 attempts

 

I was able to run example programs on the EK-TM4C129XL launchpad using the JLINK.

 

I suspect the target has no power. But the documentation says nothing about that.

  • 0
    Guru 735685 points
    I have no problem to use JLink to debug CC26X2R1 on LAUNCHXL-CC26X2R1. Make sure you remove all jumpers between XDS110 and CC26X2R1 on LAUNCHXL-CC26X2R1. Also do remember to give power from 3V3/GND pins with external power supply.
  • 0 in reply to YiKai Chen
    Genius 3585 points

    Thanks for your reply.

    I am still having problems.

    I have attached a photo of my set up.  I have confirmed voltages on the pins indicated.

    I have tried an example with the main(0 gutted, and still no go.

    I am trying to look for the frequency setting.  In Segger studio, it is set to 8MHz.  But I take the default settings on the EK-TM4C1294 board and am able to connect.

    Thanks for any insight you have.

  • 0 in reply to John Osen
    Guru 735685 points

    Your connection looks good. Can’t you get it work?

  • 0 in reply to YiKai Chen
    TI__Genius 9215 points
    Hi John,

    I do not have a J-Link EDU Mini available so that I can try myself but have you tried with 1 Mhz or lower?
    Did you use the Test Connection under target config in CCS?

    According to the Segger web site the max speed on J-Link EDU Mini is 4 MHz.

    Best Regards,
    R.M
  • 0 in reply to YiKai Chen
    Genius 3585 points
    Nope, not working. A subsequent reply might help.
  • 0 in reply to R.M
    Genius 3585 points
    I will try your suggestion. Thanks for it. Maybe by tomorrow.
  • 0 in reply to John Osen
    Guru 735685 points
    Try to install latest driver. I test it again with my Jlink and it works fine.
  • 0 in reply to YiKai Chen
    Genius 3585 points
    Thanks for your help.
    I am calling it quits trying to get the JLink Edu Mini working with CCS.
    I updated to the most recent drivers 6.44a. The device would no longer be recognized. Reverting to 6.44 got it recognized.
    I tried different frequencies 4,2,1 MHz. Nothing changed.
    I noticed that the target chip in the .ccxml file was point to the type in the TM4C129 chip in my other projects. I got that straightened out, with no change.
    The onboard TI emulator works just fine. I need to get on to what I really am trying to do - BLE 5 + 802.15.4 on this chip.
    I am just going to assume the Mini has some type of issue. It is a red herring.