STM32 MCUs Products

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Dual bank issue on a STM32F769BG.

 Hello,I work on a STM32F769BG and I m currently trying to setup the dual bank. I have a bootloader that check the validity of the application on the current bank and an application. My bootloader works in single bank configuration however it doesn't...

RRaph.1 by Associate
  • 385 Views
  • 1 replies
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SPI2 Communication on STM32H743X

I have been using STM32H743x for a project. There i use SPI2 to communicate with a serial flash IC.I need different packet sizes when accessing the Flash. The problem i have is, when i change the TSIZE at different stages, the firmware freezes at the...

SFons.1 by Associate II
  • 552 Views
  • 2 replies
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Resolved! USB virtual com port can't receive data when device reboot

Hello,​I experienced a phenomenon in which the USB port was not reconnected.This phenomenon occurs when a USB port is connected to the product and reboots.​I check my device manager. When i turn off product, com port also disappear.and product reboot...

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hjuns by Associate III
  • 769 Views
  • 4 replies
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Do not erase a sector on subsequent SW uploads

Hello, I'm using a STM32F103 and my code needs to save a few parameters from calibration activities in factory in the FLASH. I have successfully configured the last sector and I use it.Then, what I'd like is:FLASH the STM32 with the whole SW the 1st ...

LaoMa by Associate III
  • 1039 Views
  • 5 replies
  • 1 kudos

Resolved! Question regarding FFTs in arm_math.h

Hello! I am trying to simulate an octave model on a microcontroller and ran into a snag I thought I'd get some help with. So I have an FFT I am running on a sample of data (we'll say 4096 bytes). In octave, I'm using an FFT of the sample (where the s...

JayDev by Senior II
  • 3197 Views
  • 8 replies
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hi iam trying to find FFT using stm32F4 discovery board. i have tried using CFFT and RFFT available in arm CMSIS DSP library but iam getting wrong answers. Can someone please tell me where iam wrong. Iam posting the code below for both RFFT and CFFT ?

-----------------------------------------------------------------*/ #include "main.h" #include "usb_host.h"   /* Private includes ----------------------------------------------------------*/ /* USER CODE BEGIN Includes */ #define ARM_MATH_CM4   #incl...

Vk.2 by Associate II
  • 533 Views
  • 0 replies
  • 0 kudos