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Forum Posts

Typical pull-up resistance value

Hi, Greetings @Peter BENSCH  I am using STM32G431MB controller in my project. I am configuring PB4 as my General purpose Input pin. Ports PB5-PB9 as well as PC8,PC9, PA8 and PA9 are assigned as General purpose outputs connected to Analog HART Mux. In...

DFSDM in STM32F412CEUX

Dear STI am using an STM32f412CEUX(UFQFPN48) STM32f412CEUX's the PB1( DFSDM_DATAIN0) and PB2(DFSDM1_CKIN0) of STM32f412CEUX is connected digital Microphone I want to get audio signal through STM32f412CEUX's DFSDM Block But I can not find DFSDM1_CKOUT...

hongjo by Associate II
  • 1098 Views
  • 4 replies
  • 1 kudos

How to configure FIR filter in FFT USING NUCLEO-H745ZI

Hello Team,I'm trying to configure FIR filter in FFT in one point I am getting grab data every time in every call back collecting 1024 data and process to arm_fir_f32(); Function, is there any code related to this FIR filter in FFT.PFA code and sin w...

ggowd.1 by Associate III
  • 1484 Views
  • 3 replies
  • 0 kudos

STM32H7 Internal Flash Error

I'm having trouble reading/writing to internal flash on an STM32H743XI. For a while I've been erasing/programming sectors of internal flash from a custom bootloader without issue but I somehow got the chip into a state now where 4 sectors can no lon...

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Checking received Value from st ble toolbox app

HelloI have watched the lab about stm32wb55 where the board receives any event from the smartphone app and toggles the onboard LD2. Now i want to make mine specific by checking for the received value and only toggle the LD2 if its a 1 and only turn i...

PMato.1 by Associate II
  • 443 Views
  • 0 replies
  • 0 kudos

Resolved! stm32h7 fastest gpio read using DMA

I would like read the gpio lines at fastest speed. As example it is possible to read first 4 ports by reading:uint16_t ports0123=GPIOC->IDR&0x000F; (it is very fast, takes 28 tics)It is possible to read ports GPIO_PIN_0-15 by connecting GPIOC->IDR to...

JLope.11 by Associate III
  • 779 Views
  • 2 replies
  • 1 kudos

Resolved! How to use SPI in other .c

Hi everybody, Actually I start a new project with a ST7567 driver for LCD 128x64. I have create my project with CubeIDE . CubeIDE generate my code in the main.c  like this :    /* Private variables ----------------------------------------------------...

JJoao.1 by Associate III
  • 3010 Views
  • 10 replies
  • 3 kudos