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stm32g070cbt6 bootloader; jump to app

Hello everybody, I am developing a bootloader that is currently writing to flash, but I am not being able to jump to the written blocks.The bootloader runs from 0x8000000. Built with arduino_stm32.App starts at 0x8009000.I can test the app with the l...

MBarb.2 by Associate II
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  • 2 replies
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PWM DMA settings

Hi there, i am using STM32F401RE development board and using PWM generation using DMA. I am following register level programming approach and here the issue lies in the DMA settings. Like if I set my PSIZE and MSIZE to 32-bit long and also if my data...

DJ1 by Associate III
  • 1432 Views
  • 5 replies
  • 2 kudos

NUCLEO-H743ZI2, Unknown USB Device

 Hello,I'm attempting to set up the CN13 USB port as a Virtual COM Port (VCP) for transferring data to LabVIEW. Unfortunately, I'm encountering an error message that reads "Unknown USB Device (Device Descriptor Request Failed)." I've already installe...

image_2023_09_26T13_36_43_009Z.png image_2023_09_26T13_36_43_009Z.png

Resolved! Voltage divider for ADC input?

OK, this is perhaps a fairly stupid question but I do not get it.I have an analogue voltage in range -5V..+5V and wantto measure it with the ADC of an STM32F446. The ADC-input works in range 0..3.3V.I have the feeling I can do that with a simple, res...

BSchm.6 by Associate III
  • 3641 Views
  • 3 replies
  • 0 kudos

FMC: How to delay chip select?

I should combine STM32F479 with PROFIBUS-DP ASIC SCP4-2 The chip is aged. And requires delay of at least 30ns (by 3v3) between address and cs. Our previous design was based on SAM4S and their CPUs are offerring register to program such delays. In STM...

2023-09-25 10_32_07-Window.png
AlexKern by Associate II
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  • 4 replies
  • 1 kudos

STM32G4 Reset Issue

I am having some strange power up (I think) issue with my STM32G431 controller.  Sometimes it runs for a second or two, sometimes nothing.  It will usually not connect via the SWDIO pins so it is difficult to step through in debug to see where the pr...

STM32G4 Schematic.jpg

Resolved! UART Receive code is not working.

I am using STM32F103C8 MCU and Trying to communicate with Quectel EC200U-CN 4G module and i am not getting data through UART2 Receive pin. Please go through my code and suggest mevoid USART2_IRQHandler(void){ if ((USART2->SR & USART_SR_RXNE) != RESE...

Siva Ram by Associate II
  • 1478 Views
  • 5 replies
  • 1 kudos

PowerSTEP01 example code and programmer user guide

Hi, i m trying to program PowerStep01 with SPI on STM32H7, can anyone kindly advise where to locate sample code and tutoral ? or programmer user guide?  A serach online yield this but error on page and file not found. https://my.st.com/content/my_st_...