STM32 MCUs Embedded software

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GPIOs under DFU mode are set randomly

Hi​ ST support team,I am using STM32L4 for a developing project. And I recently found that the GPIOs under DFU mode are set very randomly.That means, for most of the boards we produced, for a specific pin, it is set as LOW, but some are set as HIGH. ...

WJi.2 by Associate
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How to switch between MSD and FatFs?

Hi I like to use my small mcu system (stm32f401 with 4bit SDIO and USB-Device) in the follow way:If USB is plugged in -> the system should behave like a msd on a windows machine.If USB is not plugged in -> the system should read the files from the sd...

CFosc by Associate
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STM32F413VGT uart9 baud rate problem

There is a bug to set baud-rate of uart9.If I set it to 9600, it works as 19200.I think it is a problem of driver code.The UART9 and UART10 should use PCLK2 but the code uses PLCK1.Please check below.My environment:Win 10. 1809STM32CubxMX version 5.2...

TKim.11 by Associate
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Is there any good Can periephal examples available?

The title pretty much says it all, to me it seems to be impossible to get the CAN periephal running with the HAL codes.loopback works all night, next it crashes to first message.i can sniff my car's canbus, then i cant.is there any alternative availa...

JoniS by Senior
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CCA02M1 microphone example project code size

We've bought NucleoF401 and CCA02M1 boards. But example project provided by ST about 39KB, this is much more than free limit of Keil5. How can we use examples with free Keil version? These are development boards for everyone(students,hobbiests..), wh...

BISIK.18 by Associate II
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