• RFFT CMSIS-DSP - Fluctuating index
    I am using the Cortex M4 with CMSIS 5.4.0 DSP library. I'm using the arm_rfft_f32() function and the max_arm_f32() function to compute the maximum frequency bin of injected pure sine wave with an external...
  • Where are the DSP prebuild libraries?
    I'm trying to learn a little about DSP in stm32 microcontrollers. I follow the instructions on the official site: arm-software.github.io/.../index.html And i downloaded the CMSIS package from github:...
  • 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...
  • ARM DSP is the way to go – An intern’s perspective
    I’ve been interning at ARM for the last two months as a summer student and spent a fair amount of time looking into the Digital Signal Processing (DSP) market and how it relates to ARM. DSP is used...
  • How to speed up DSP processing using Cortex-M0+
    My product is using M0+ core of MCU. And it has FFT and FIR process using CMSIS-DSP. But I faced an issue for performance of these process. It cannot finish doing process within some period of system...