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TDA4VM: Getting "Error Connecting to the target" while debugging Hell World application through Blackhawk Debugger on Jacinto7 EVM board

prashant shinde
Prodigy 210 points

Part Number: TDA4VM

Hello TI team,

I was debugging my "Hello World" application using Blackhawk debugger on Jacinto7 EVM7 board, but now its giving me an error of "Error Connecting to the target"
PFA the snapshot for the same. So could anyone please help me in that case.




Thanks and regards
Prashant

  • 0
    TI__Mastermind 42135 points

    Hi Prashant,

    Looks like you are not running the initialization script. Please see the steps in the documentation software-dl.ti.com/.../ccs_setup_j721e.html

    Regards,
    Parth

  • 0 in reply to Parth Nagpal
    Prodigy 210 points

    Hi Parth
    Good Afternoon

    Thanks for your reply, now I'm able to connect the Blackhawk debugger over Jacinto7 EVM board. And executed initialization script successfully.
    Futher I loaded the symbol file for single camera application over A72 core and rtos side symbols over mcu2_0 core using blackhawk debugger, and able to connect with the R5F core. But can not connect A72 core right now. 
    But after free running and suspending the R5f core ,its stucking at function tiovTargetDeInit() in vx_target.c file. So could you please let me know the reason behind it and help me to debug Rf5 core with A72 core in that case for single camera application . PFA the snapshot for the same.



  • 0 in reply to prashant shinde
    TI__Guru* 90331 points

    Hi Prashant,

    Could you try doing the below

    1. Reboot the board and login as root

    2. Before running single cam demo, open CCS and connect MCU2_0 (i.e., Main_cortex_R5_0_0) and load the symbol.

    3. Open any source file of the targets that are running on R5, for eg. in tivxCaptureCreate() of tiovx/kernels_j7/hwa/capture/vx_capture_target.c

    4. Run the single cam application and the breakpoint shall be hit. This way you could proceed with debugging

    Regards,
    Nikhil