STM32 MCUs Embedded software

Issue related to application start address in bootloader

Hello everyone,I am facing an isssue related to Bootloader project in STM32F407VGT6. My bootloader placed at start address of internal flash memory 0x0800 0000 and occupied 16kB. My application's size is 74kB. If the application is placed at 0x0806 0...

Hello, we are using STM32H753 with USB3343 PHY. All boards are working fine but one of them need a 2.5ms. delay before enter USB_CoreReset() other case the CSRST bit in GRSTCTL register remain pending. All board power-up seems equal. Any ideas?

Erasing and writing flash by Bootloader fails

Hi,I am trying to use the ROM Bootloader on an STM32G071 Nucleo to upload code to the board. However erasing and writing to flash is not acknowledged by the G071. Other commands like reading from memory are acknowledged and return the correct data.I ...

Can I use both USB of STM32F723 as HID ?

I have STM32F723-DISCO board and I am designing project with two USB. First USB_HS is set as HOST and on it is attached mouse. Second USB_FS is set as Device and is attached to PC. The idea is to transfer descriptors from the mouse thru STM32 to PC. ...

Endpoint 2 and onwards not working for bulk in transfer, only endpoint 1 works in stm32l4s5

I have been trying to develop a composite USB device with CDC+MSC on stm32L4S5. For that, I required total of 5 endpoints. 2 for MSC (1 bulk IN and 1 bulk OUT). 3 for CDC(1 bulk in, 1 bulk out, 1 CDC command). For that, I am trying to use endpoints 1...

Multiple STM32H7 Ethernet issue

I have seen the issues with DMA and the STM32H7 (here: https://community.st.com/s/article/FAQ-Ethernet-not-working-on-STM32H7x3), and I believe that I have implemented everything that was written there. To place all my variables into D1 SRAM, I repla...

USB connection between STM32F411 and modem RM500 quectel

Hi I am working on a project where a need to send AT commands through my MCU to a modem, the problem is that this modem only has a USB interface and not a UART interface, so I have a lot of doubts of how should I do this, i wanted to use the USB_Host...

Strange behaviour when using lwip stack and ping it from windows pc.

Hi, i had setup a stm32f407 with lwip enabled and with "gen" and "check" the checksum of ip and icmp. I wanted to ping the device from my PC and checked incoming frame via wireshark. When ping i got my timeout on terminal with no further description....

In my project i am using stm32f779 series stm controller with LAN9250 ethernet for profiethernet application adn i don't have more idea on this and how to interface with controller so if anybody have idea or driver for LAN9250 please let me know.

If i get working driver of LAN9250 it will be useful for me to interface with my controller.