STM32 MCUs Embedded software

USB_NOE- what is it for exactly?

Hello,I have read the RM0091 and some posts on the forums, i.e.: https://community.st.com/s/question/0D50X00009XkgYiSAJ/stm32f042-usb-what-is-activate-oe?t=1672784003313With all that, I am still unable to understand what is the USB_NOE functionality ...

Whats the problem with USB Host HID

Hello.I have problem using STM32 USB Host HID. I`m stuck in the USBH_Process() function in usbh_core.c, or its better to say stuck in USBH_HID_Process() function in usbh_hid.c file. I am trying to connect a USB keyboard to my own designed stm32f407zg...

access STULPI01A registers from firmware

Hi,We are using STM32H750XB MCU with the STULPI01A, external High-speed USB ULPI transceiver.Is there a way to access STULPI01A registers from firmware running on the MCU ?rgds,kc Wong

AZURE Example doesn't install Azure RTOS Middleware?

I am attempting to use an Azure RTOS Nx_TCP_Echo_Client example in CubeIDE V1.11. I create a FILE->NEW->STM32 Project, then select the Nx_TCP_Echo_Client example from the Examples List in the Target Selector for my NUCLEO-F767ZI board. I then create ...

Modbus TCP /IP Interface with STM32 (STM32F779BI)

Hello ,I want to connect (M02 weight indicator) with my controller(STM32F779BI) through MODBUS TCP/IP protocol.I am using microcontroller as client and weight indicator as server. I can't able to read data from server. server is not responding with a...

Hi! I've got a very strange behaviour of stm32g431. Sometimes, when I plug my device into USB port, it doesn't start, becoming completely non-functional. When I try to reprogram it, openocd shows that device is protected

processing full erase cycle helps, but still have no idea, why device enters such condition!Please help!

I'm using stm32u5 and azurertos system. In a thread, I do this instruction <sprintf(g_test,"phase%d\n",g_frame);> where <char g_test[20]> and <u8 g_frame> and a hard fault is generated. Any suggestion, please?