Forum Posts
Resolved! STM32H7A3 USB not working in CDC mode (Virtual COM Port)
Hi all,in my new project with STM32H7A3 (set up using STMCubeMX Version 6.2.0 and HAL Version 1.9.0) the USB which has been set to CDC is not working. Not even the PC sees any USB device connected - not even wrong configuration or so noted. Nothing s...
Resolved! I'd like to make TCP/IP communication with DHCP on freeRTOS.
Hi everyone.I would like to know how to use DHCP and check if DHCP is working what I expected.Please, confirm my process for using TCP/IP communication with DHCP on freeRTOS.First, I make CubeMX configuration.Like this, I make DHCP_Module enable.And...
STM32L073 Unable to connect as USB Device
We have a design that uses USB CDC device. We have used this with no problems on the 192KB version of the STM32L073 but when we switched to the 128KB version we get a "device not recognized" from the host PC. Before I do a lot of troubleshooting I wa...
Is it possible to have Modbus TCP communication with STM32F103xx?
Hi guys,May I know whether it is possible to have MODBUS TCP communication using STM32F103xx board?
STM32L02 USB CDC weird reaction upon sending some characters.
Hello,I have an STM32L052K6 running a simple USB CDC class firmware, generated by STM32CubeIDE. I have it as a test setup that if it receives a 'v' character, it responds with a version number of some kind. If I set that version to 16 0xAA's , the de...
Resolved! H743BGTx USB CDC no enumerating and not working
CubeIDE: 1.51, FW: H7_V1.8.0In the experience of using the F4 series, there is no problem in setting the CDC mode. But this time, the H743BGTx MCU setting cannot be successful, and the computer USB is not listed. The USB initialization is successfu...
Using Boot0 jumper on Nucleo64 (STM32G474) / Flash Verification Error
Howdy,I have a Nucleo-64 Board for the STM32G474RE chip that I’ve been working with successfully for a few weeks. I wrote a new version of my code, and when I tried to upload it to the chip, I started getting the error “Verification of flash failed a...
Device cant connect to AWS Cloud.
Hello to all, I am using steval-stwinkt1b for a condition monitoring project. The fw that use is the default demo example of fp-cld-aws1 . I have gone step by step according to UM2186. Although when I try to connect i receive this messageAny sugg...
Resolved! How to improve random long write times using USB flash drive and fatfs
I'm using a nucleo-f7 development board as the basis for a data logger. The logger is using three spi slaves with DMA to grab data streaming from a sensor suite and write it to a USB flash drive with occasional data headers. The problem I'm having ...
