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CCS/EK-TM4C123GXL: Unable to find flash memory on Tiva C Series

Alexandru Gavrila
Prodigy 30 points
Part Number: EK-TM4C123GXL

Tool/software: Code Composer Studio

I've plugged in and tried to run one of the example programs under development tools. This is the error I got and I'm not sure what to do about it.

CORTEX_M4_0: Error initializing flash programming: Cannot read 0x400FE000: data is not present
CORTEX_M4_0: Loader: One or more sections of your program falls into a memory region that is not writable. These regions will not actually be written to the target. Check your linker configuration and/or memory map.
CORTEX_M4_0: Trouble Reading Memory Block at 0x0 on Page 0 of Length 0x4: An error occurred accessing memory
CORTEX_M4_0: File Loader: Verification failed: Target failed to read 0x00000000
CORTEX_M4_0: GEL: File: C:\Users\alexa\workspace_v8\pwmled_EK_TM4C123GXL_TI\Debug\pwmled_EK_TM4C123GXL_TI.out: Load failed.

  • 0
    TI__Guru 72500 points

    I don't recognize "pwmled_EK_TM4C123GXL_TI" as an example from TI. Where did you find this example? Perhaps in an older version of Code Composer? I am looking in version 8.3.0.00009.

    Have you downloaded TivaWare? This software library has lots of examples for the TM4C123GXL Launchpad. You will find an LED blink routine in:

    C:\ti\TivaWare_C_Series-2.1.4.178\examples\boards\ek-tm4c123gxl\blinky

    The best way to start a project that uses the EK_TM4C123GXL board is to import an example project from TivaWare. You do that with "File" -> "Import", then expand the "Code Composer Studio" entry and select "CCS Projects". Click NEXT, then browse to the example project directory (like the path above), and select OK. Once you have imported a project into your workspace, you may want to rename it if you plan to make modifications.

  • 0 in reply to Bob Crosby
    Prodigy 30 points

    I had gotten them from CCS, I followed the steps they had me use in the resource explorer. The example files you gave me flashed and executed correctly, thank you very much.