• HardFault on UART initialize

    Benjamin
    Benjamin

    Hi all!

    I'm facing a problem with my UART on a STM32F207IG under CMSIS.

    When I try to initialize the UART the processor disappears in the HardFault_Handler.

    I think the problem is somehow related to the clock settings which I left untouched until now…

    • Answered
    • over 6 years ago
    • System
    • Embedded forum
  • GNU Scientific Library vs CMSIS Library Time and Space complexity

    Laxmi Kant Tiwari
    Laxmi Kant Tiwari

    Hello,

             I have been using CMSIS library for implementation of DSP functions in ARM, however, CMSIS have very limited DSP functions. Although GNU has many DSP functions which CMSIS do not, It only have floating point implementation. I am trying…

    • Answered
    • over 4 years ago
    • System
    • Embedded forum
  • FFT C-File

    Jochen
    Jochen

    Hello everybody,

    im using the Math.h file to do a rfft with 1024 points und q15 datatype.

    So far everything works fine, and I get good results. It needs a computation time of ~720us on my CortexM4 @100Mhz.

    This is very Impressive, but to long for my application…

    • Answered
    • over 3 years ago
    • System
    • Embedded forum
  • How to remove group delay for CMSIS DSP FIR low pass filter function?

    sumit mourya
    sumit mourya

    Hello All,

     

    I'am using  TI MCU TM4C129x  and code composer IDE.

    I've integrated the CMSIS DSP library inside my code and I'am able to apply the low pass filter using arm_fir_f32() function.

    My input signal is the Varying frequency Sine wave…

    • Answered
    • over 3 years ago
    • System
    • Embedded forum
  • ARM Cortex-M4 (Nuvoton NUC472) not booting with External RAM on EBI Interface

    Ritesh Prajapati
    Ritesh Prajapati

    Hi,

    We are working on ARM Cortex-M4 (Nuvoton NUC472) based SoC as per our requirement.We are facing one critical issue like board is not booting when we enabled and used extrenal RAM on EBI.

    We have ported following BSP package with below toolchain for…

    • over 1 year ago
    • System
    • Embedded forum
  • Are CMSIS drivers for Flash portable on all Cortex M0(vendor independent)?

    MA1993
    MA1993

    I am writing open source easy to use top level Flash drivers which are portable to use on all Cortex M0 devices (vendor independent). So I was thinking of using CMSIS flash drivers as my low level block. So are CMSIS flash driver portable on all Cortex…

    • Answered
    • over 1 year ago
    • System
    • Embedded forum
  • DSP Filter Designer with Automatic code generation to CMSIS-DSP

    Dr. Sanjeev Sarpal
    Dr. Sanjeev Sarpal

    Did you know that there are 23 billion IoT embedded devices currently deployed around the world? This figure is expected to grow to a whopping 1 trillion devices by 2050!

    Less known, is that 80% of IoT devices are based around Arm’s Cortex-M microcontroller…

    • over 1 year ago
    • System
    • Embedded forum
  • View related content from anywhere
  • More
  • Cancel