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CCS/TMS320F28377S: Sci and CRC calculation error when code run in flash

user3588080
Intellectual 420 points

Part Number: TMS320F28377S
Other Parts Discussed in Thread: C2000WARE

Tool/software: Code Composer Studio

Hi,

My program USES TMU triangulation, PWM interrupt, SPI send, SCI communication and VCU CRC check. When I run in RAM, all functions are normal.But when I put the program in flash, except for SCI communication and CRC verification, all the other functions worked well, and only the communication function could not be used.

Thank you.

  • 0
    TI__Expert 6795 points
    Hi,

    Could you please let me know what are the changes you made when you converted the program to run from Flash?

    To check the only the SCI communication, can you please run "sci echoback" example at
    <C2000Ware>\driverlib\f2837xs\examples\cpu1\sci\sci_ex3_echoback

    in FLASH configuration to check if it is running. Please take care of the clock and GPIO configurations.

    Thanks,
    Katta