STM32 MCUs Products

Resolved! How can I use the USB CDC in standalone mode on the STM32U0 series?

I'm developing an application using the STM32U073RBT6. CubeMX configures USBX - CDC ACM based on Azure RTOS. How can I use the USB CDC stack of the STM32U0 series in standalone (bare-metal) mode? (or Is it possible to migrate the libraries from the p...

STM32G0 USBCPD: Debug issue and hard reset of PE instead of negotiation

//EDIT: Please go to the my last reply since this represents the current state of the investigations This is kind of a follow-up post, but a totally different topic than yesterday.So, after following the video step by step for a USBCPD sink "project ...

Resolved! Communication between Nucleo-F411RE and Raspberry Pi using ST-Link VCP

Hello, i am using STM32F411RE with raspberry pi 4. i want to communicate rasp with stm32 through usb cable from pi to CN1 of stm32. i want the communication both ways. could you please tell me how to do it?Thank you in advance.

STM32WB55 continuously switching between USB and DFU mode

We are using STM32WB55VGQ in one of our products. This product is a thermostat which reads temperature humidity along with 6 other sensor values and was installed in customer site. This unit was working fine for last few months untill last week when ...

Resolved! STM32U5A5 OTG_HS USB Host with DMA not enumerating

Hello,I have been utilizing the OTG_HS peripheral on an STM32U5A5 to act as a USB host. I am using the USBx stack in a non-secure application and initializing the peripheral as follows: VOID USBX_APP_Host_Init(VOID) { MX_USB_HCD_Init(); ux_host...

Resolved! Firmware flash with custom desktop application using STM32's bootloader in USB DFU mode

Hi,we develop a device using the STM32U545 MCU.This device will be accompanied by a desktop application (developed by us as well) which will enable our customers to interact with the device, e.g. to configure certain settings. It is a requirement tha...

How to send USB HID Reports without guessing the HAL_Delay()?

I want to send USB HID Reports as fast as the MCU or the USB protocol allows. In order to send an USB HID Report on an STM32F103 I'm doing something like: USBD_HID_SendReport(&hUsbDeviceFS, (u8*)&report,sizeof(report)); HAL_Delay(some_delay); or even...

Resolved! STM32G0B0 USB_DRD_FS Interrupt problem

hello.Using STM32G0B0CET6USB_DRD_FS---Host_Only_FS,USB_HOST---Mass Storage Host Class,FATFS---USB DiskUSB Interrupt---EnableIf you set it to the above mode and operate it, the USB is recognized only once when the power is first turned on, and the USB...

Resolved! How to confirm that the USB data has been successfully sent?

I saw the following function in the USB library.uint32_t USB_OTG_GetEPStatus(USB_OTG_CORE_HANDLE *pdev ,USB_OTG_EP *ep) { ·········· if (depctl.b.stall == 1) { Status = USB_OTG_EP_TX_STALL; } e...

Nucleo STM32F446ZE and USB HS

Hi,I am trying to implement USB HS based on the USB PHY USB3300 (using board waveshare USB3300 ULPI) and STM32F446ZE (using Nucleo STM32F446ZE). I am using code sample from STM cube to run the trials. Board are connected with short wires (as short as...