STM32 MCUs Embedded software

Data Corruption with USB CDC communication

Continuous transmission of data of tx rate 500 samples per seconds(33 bytes per sample) using USB virtual com port(USB CDC).USB mode - full speedTransmit data to serial monitor using function CDC_Transmit_FS();Received data on serial monitor is corru...

I cannot run bootloader + Main App with FreeRTOS(CMSIS).

I cannot run bootloader + Main App with FreeRTOS(CMSIS).I can build and run bootloader(Flash Addr=0x8000000, Size>8KB) + Main App(Flash Addr=0x8002000, Size120KB, no FreeRTOS) I refered these pages, https://github.com/darkspr1te/stm32f107vc_sd_bootlo...

Request to revise I2S section of HAL document. (UM1725)

Hello,In Section 36. I2S Generic Driver of HAL document (UM1725), I found an incorrect or misleading explanation.In the explanation of HAL_I2S_Transmit, there is a "notes" below.-----------------HAL_I2S_Transmit (I2S_HandleTypeDef * hi2s, uint16_t *...

We use a 4G module , with which we can share the GSM internet on the USB lines of the 4G module. We want to provide the internet which is in the USB lines to the ethernet lines. So please suggest the suitable ST product for this application.

Is there a way to use bootloader functions in application code?

Hi all. I am working on a project that consist of 3 separate codes. One is bootloader, another is static code and the last one is updatable code. They all share one flash. Static code only fulfills basic tasks and updatable code is more sophisticated...

External flash loader for h7

I am trying to develop external flash loader, which will use the cubeprogrammer utility, I am facing the following error, 1) When I try to use cubeide for the project, If I remove the main and made necessary changes in startup.s and in linker, gettin...

I'm a new user of STM32F411Discovery but need in getting started. Been watching YouTube video "STM MicroPython", a tutorial on getting started with STM32F4xxDiscovery board.

Here's what I've done so far:1. Downloaded file STM32F411DISC-20200902-v1.13(2).dfu from MicroPython.org2. Downloaded DfuSe utility en.stsw-stm32080 and ran program DfuSe_Demo_v3.0.6_Setup3. Powered up board by connecting mini connector to a USB port...

Problem with stm32h747i_discovery.c

The function int32_t BSP_SD_Init(uint32_t Instance) (which I believe is the first thing to call to initialise access to the SD card on the STM32H747 Disco board) attempts to check if card detected on line 160. However the pin that is used as card det...