• FIR decimator filter
    Hello there, I have a question regarding the CMSIS DSP library function arm_fir_decimate_X. So for example if I have an ADC which is sampling at 5250 kHz and I want to create a filter using the decimate...
  • CMSIS osThreadFlagsSet() API
    Hi, I am using CMSIS Free RTOS. I see osThreadFlagsSet() function is using xTaskNotifyFromISR() and xTaskNotifyAndQueryFromISR() APIs. I understand their usage. As per my understanding (void)xTaskNotifyAndQueryFromISR...
  • Walking around the mbed Zone at TechCon 2015
    As presented in Bee Hayes-Thakore blog here , and in my preview blog here , the mbed Zone is one of the central pieces of this year's Techcon. The first thing when walking around the showroom, is seeing...
  • An Introduction to Digital Filtering with Arm Microcontrollers
    Digital Filtering: The Basics The subject of digital filtering is vast but the basics can be understood easily. Digital filters process signals in the frequency domain and are commonly used to process...
  • Help with CMSIS FIR bandpass filter implementation
    Hello, I am trying to implement a 60kHz bandpass filter in a STM32F407 microcontroller with the help of the CMSIS DSP Library, and unfortunately I am having a bit of trouble... I am wondering if someone...