STM32 MCUs Embedded software

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Resolved! I2C HAL lock state not properly updated

Hello,While I was tracking an issue on I2C bus, I found something that seems to be unconsistent in HAL file stm32l4_hal_i2c.c1 - routines I2C_WaitOn_____UntilTimeout() are called after locking the bus with __HAL_LOCK(hi2c) macro2- these routines upda...

STM32H743BI internal bootloader REMAPPING SYSTEM MEMORY in order to be able to jump to it's start address.

We're trying to use the internal bootloader (the one pre-programmed by ST)on a STM32H743.the datasheet says something about remapping system-memory in order to be able to jumpto it's start address.I have found some samples but they are general, and d...

ZSade.1 by Associate II
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Resolved! Custom bootloader for stm32h7

Hi community.. In the past i have developed a custom bootloader for the following mcu stm32f7... I was reading the usb and writing the flash section dedicated for the application.Now i have to do the same for the stm32H7.. Are the steps the same ? Ar...

SGasp.1 by Senior
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How to configure DFU and virtual COM port in STM32F103C8T6 USB peripheral? Is it possible to do something like this?

Hi, I am developing a firmware for stm32f103c8t6 using STMCubeIDE 1.12.0. I want the USB to work as both a COM port and DFU device. Using the middleware in the STMCube it seems we cannot implement both of them at the same time. Any help is appreciate...

sg.1 by Associate
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Resolved! Azure RTOS licensing..

HiMy company wants to use ThreadX, NextX DUO, File X, Azure RTOS and was not clear if we need to pay for licensing when we send the product to market. we are using U5-series ST boards. can some help whether its an open source that ST has provided in...

meghasb by Senior
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  • 21 replies
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how to setup time stamp on SD card

I do have RTC working and SD, I found this code FRESULT set_timestamp (char *obj)   {   FILINFO fno;   HAL_RTC_GetTime(&hrtc, &sTime, RTC_FORMAT_BIN);      HAL_RTC_GetDate(&hrtc, &sDate, RTC_FORMAT_BIN);   int hour = sTime.Hours;   int min = sTime.Mi...

MNapi by Senior III
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  • 5 replies
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