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  • Value of "__initial_sp"

    Hello , 

    I am new to ARM cortex M processors and while doing some coding on my board using KEIL  i found that

    at location 0x0000_0000 my debugger shows the value "0x2000_0660" . Thats the value of the MSP loaded. 

    but i really dont understand how…

  • SAM4S Bootloader Jump Address Offset

    Hi everyone, 

    Apologies for asking a very similar question to those that are out there already, but this is my last hope as I have scoured Atmel and arm forums for a solution that works for me, but not found any yet,

    I am trying to write a bootloader for…

  • ARM M4 to BLUEGIGA module, Multithreading, and Data Buffering

    Hello, I am looking for information about programming an ARM M4 firmware to basically broadcast serial information to a bluegiga WF121-A wifi module. My device will receive 2 serial inputs and I want the serial input packets to be sniffed and broadcasted…

  • Cycle accurate simulation/emulation for Cortex - M4 Processor based board

    Hi all,

    I am  a master student in germany and doing my thesis currently. I wanted to measure CPU cycles using emulation/simulation for some code that is running on a cortex m4F processor based board. I had QEMU in mind at initial but it turns out it doesn…

  • About tool selection

    I have to port a solution i am working on for Cortex-M4. I need to build,profile and later optimize.
    Can somebody please suggest which all tool will be helpful. 

  • CortexM4:How to change the entrypoint by binary file data in the program

    Hello.

    There is an executable file built by setting the address of the entry point (RO_Base) to 0x00000000 with Keil's linker setting.

    I converted this executable file into plain binary format data using "fromelf - bin" command.

    This binary…

  • NEW App Note: Migrating Application Code from ARM Cortex-M4 to Cortex-M7 Processors

    The Cortex-M7 processor design is based on the ARMv7-M architecture. It supports all the instructions available on the Cortex-M4 processor and uses the same exception model for interrupt handling. In most cases, program code written for a Cortex-M4 processor…