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AWR1642BOOST: AWR1642 acts different between debug in CCS and running from Flash

durf
Intellectual 570 points
Part Number: AWR1642BOOST
Other Parts Discussed in Thread: AWR1642, UNIFLASH,

Hi:

     We wrote our own program on the AWR1642 BOOST, issued commands via the CAN bus, and reported some intermediate results of its calculations.

     When debugging in CCS, the program is running normally. But when we clean the dss and mss projects, recompile the xwr16xx_mmw_.bin binary file and use Uniflash to download it to Flash. On power-up from flash, some commands issued via the CAN bus do not respond correctly. What is the reason for this? Thank you!

  • 0
    TI__Guru*** 149314 points
    Can you please provide more details about what your application is doing after boot up?

    Thank you
    Cesar
  • 0 in reply to Cesar
    Intellectual 570 points
    Hi Cesar:
    My project is based on mmw_demo. I want to let the AWR1642BOOST upload 1-D FFT data while running. I send a CAN command to mss, mss then send a mailbox command to dss. When dss get the command, it will stop the mmwaveLib and send radarCub address to mss via mailbox after the latest interFrameProcess is completed. Once mss recieve the message, it will block the process, send all the 1-D FFT data to PC.

    I tried to light up LED after mss recieves the CAN command, but it seems dss not respond the correct mailbox information. But when I debug in CCS, it all works well.
  • 0 in reply to durf
    TI__Mastermind 22155 points
    Hello Durf,

    Are you seeing any CAN related errors (Error passive) etc?

    BR,
    Raghu