STM32 MCUs Products

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Resolved! CMSIS-DSP with STM32F302

Dear all,is it possible to use CMSIS-DSP with STM32F302XXX? Actually I'm working with NUCLEO STM32F302R8Tx (but final board will have STM32F302RCT6) and I have two issues :1) I am not able to find lib *.a in repository CMSIS_DSP 2) Following this gui...

ermes by Associate
  • 995 Views
  • 2 replies
  • 2 kudos

printf issue

Hello,I'm encountering an issue where the printf function is providing an incorrect output for float or double values. The simplified code snippet causing this problem is as follows:float f = 0.33; printf("d:%4.2f;\r\n", f);Upon analyzing the output ...

Lutz_66 by Associate II
  • 1348 Views
  • 7 replies
  • 1 kudos

Resolved! Stm32g0 vref beginner question

I want to use a bidirectional current sense such as ina181 and read the values into stm32g0 Mcu.This does not need to be super accurate (max current is +/- 500mA and just want an idea of if approaching that) but I am struggling to find a canonical ci...

Tgx by Associate II
  • 1617 Views
  • 6 replies
  • 2 kudos

Bus fault Imprecise error

Dear Sirs,I want to edit a string, but the system goes to hard fault (bus fault Imprecise error).Here below the code:typedef struct CC_PACKED{...const char *name;...} _objd;static const char acName2005_19[] = "Cycle 0 delta stop";const _objd SDO2005[...

sirpak by Associate II
  • 2090 Views
  • 13 replies
  • 0 kudos

Resolved! STM32l552 : Create a file in USB with FATFS

Hi the community,I tried to use a STM32L552 to create file in a USB key with FatFS but without success.I already create and write file in SD card with FatFS but my aim (after a USB key) is to do it on an external hard drive (so througth USB, the capa...

Ted_ by Associate II
  • 835 Views
  • 4 replies
  • 3 kudos

Difference between Intel hex and Stm32 Flash.

Hi everybody.I ran into a problem with my project.As you can see in the picture, after uploading the program to uP, the content of Flash is different from the uploaded Intel hex file.Can someone explain to me why?Where did the data F8 B5 00 BF F8 BC ...

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Palikem by Associate II
  • 1401 Views
  • 5 replies
  • 5 kudos

stm32 does not working in Eth IAP bootloader mode

Hi everyonei have connected ethernet to stm32f4vet6 mcu. i am using LWIP and tcp_echoserver provided by stm and tftp server also provided by stm.Now i am facing with an issue , i have two programs , first of them is LWIP_TFTP_BOOT, which has start fl...

hzTurqay by Associate II
  • 631 Views
  • 3 replies
  • 0 kudos

STM32G474 release fifo

Hi all,I used long time STM32F103 and there was the possibilty to release the CAN Fifo by writing CAN_RF0R, resp. CAN_RF1R register. For G474 I didn't find this possibilty. Has someone any idea how to release the receive buffer or is the only option ...

CDril by Associate
  • 298 Views
  • 0 replies
  • 0 kudos