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FreeRTOS+tcp/ip stack

a.v
Expert 1255 points
Other Parts Discussed in Thread: TM4C129XNCZAD

Hi

I am working with TM4C129XNCZAD+CCSv6+ FreeRTOS.

I want to download a TCP/IP stack to work with this combination.

FreeRTOS+TCP doesnot seem to support this MCU+Compiler combination.

what about lwip, would it serve the purpose?

Can u suggest an option/alternative?

 

Thanks in advance

av

  • 0
    TI__Guru**** 244400 points
    Hello AV,

    It is supported. Please check the example in TivaWare "examples\boards\dk-tm4c129x\freertos_demo"

    Regards
    Amit
  • 0 in reply to Amit Ashara
    Expert 1255 points
    Hi Amit

    I have gone through the above mentioned project.
    This is the file used in this project: lwip_task.c - Tasks to serve web pages over Ethernet using lwIP.
    It seems to be using light weight TCP/IP .
    Does it serve the same purpose as full-scale TCP/IP Stack?
    From what I understand lwip has a smaller RAM footprint which is useful but where does it fall short compared to the tcp/ip stack?

    Thanks
  • 0 in reply to a.v
    TI__Guru**** 244400 points
    Hello AV

    lwIP is a TCP/IP stack. It is called light weight as it is designed for embedded systems. The size of the lwIP stack is not much for both flash and RAM (though I do not remember the exact values), you can check the map file for Flash and RAM usage by lwIP functions.

    Regards
    Amit
  • 0
    Intellectual 890 points

    FreeRTOS+TCP supports any microcontroller that you care to create a driver for.  Porting to a new device and/or a new compiler is simple, and links to instructions on doing both are provided on this link. I know people of using the stack on these TI parts already, and if they have been gracious enough to share you may find a driver in the FreeRTOS Interactive site.