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Compiler/TM4C123GH6PGE: I am not able to load the Boot loader file and Application file.

chethan gujjar
Prodigy 160 points
Part Number: TM4C123GH6PGE

Tool/software: TI C/C++ Compiler

Hello,

I am using TM4C123GH micro controller in that i have done one small application for my project but i need to do the firmware update through the UART (Serial), i was referring the "boot-serial" and " boot-bemo1" application source code. my problem in that controller i am loading the boot file in 0x0000 ROM address and after 0x4000 is application address (same thing i had used in the other project but firmware update using Ethernet) so i tried in the same manor but if i gave the application address 0x4000 WITHOUT boot-loader file or 0x0000 address flash is empty but 0x4000 address working fine but i did not understand the how the controller works with 0x4000 start address without 0x0000 start address?????...

Thanks & regards

Chethan G R 

  • 0
    TI__Guru 72500 points

    By default, the boot_serial and Boot_demo1 projects in "C:\ti\TivaWare_C_Series-2.1.4.178\examples\boards\dk-tm4c123g" start at 0x2800, not 0x4000. check the APP_START_ADDRESS defined in bl_config.h and APP_BASE defined in boot_demo1_ccs.cmd.