• Programming ATMEL SAM E70 in Assembler. I'm new.

    Hi Guys, I've just started programming in Assembler on the ATMEL SAM E70 Cortex M7 microcontroller.

    Is there any assembler code snippets for Sam E70 for me to check out.

    I'm an assembler programmer for years now and have just started on ARM Cortex assembler…

  • Custom RTOS - general ideas veryfication

    Greetings Community !

     

    Im currently working on my custom real time kernel project (STM32F7). It was really in mature stage of developement, when i figured that its not compleately ISR safe, gets stucked sometimes, corrupts some data etc. Im rebuilding…

  • DSB command for external Nor-Flash memory (Cortex-M7)

    Good afternoon, dear collegs! 

    I'v started to connect STM32H7 (Cortex M7) MCU with exteranal Nor-Flash memory by use FMC. I'm alittle confused by write command. Without DSB() command it refuses to work correct. Program loads from embedded Flash (7 waitstaits…

  • Cortex M7 DSP moving average UMAAL

    Hello,

    I am looking to do a moving average function using DSP instructions of ARM Cortex M7. Unfortunately I couldn't find a direct example. My goal is to have variables for

    - the sum

    - the new value

    - the oldest value

    Then the algorithm is sum =…

  • Wake-up time from WFI

    How long does it take to wake up from from WFI once an interrupt occurs? 

    What system parameters does the answer depend on?

    What's turned off in the CPU (and elsewhere) while WFI is underway?

    I'm using NXP i.MXRT1050 (Cortex M7) and I'm experiencing…