STM32 MCUs Embedded software

Ask questions and find answers on STM32Cube packages, including HAL, LL and middleware, and expansion software.

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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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STM32F1xx_HAL_PCD -- wrong EP_IN/EP_OUT

HAL v1.7.0, stm32f1xx_hal_pcd.c, line 199During OUT EP init we have IN EPShould I fix it on my own? for (index = 0U; index < 15U ; index++) {  hpcd->OUT_ep[index].is_in = 0U;  hpcd->OUT_ep[index].num = index;  hpcd->IN_ep[index].tx_fifo_num = index; ...

RBaly by Associate
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PLL3 as I2C123 peripheral source clock on STM32H7

If the PLL3 is selected as I2C peripheral source clock, the Bits RCC_D2CCIP2R_I2C123SEL are not initialized correctly.In function HAL_RCCEx_PeriphCLKConfig() the PLL3 R Divider gets updated but the clock selection is not set to "1". In my opinion, th...

MGall.9 by Associate
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STM32 System Memory DFU Bootloader Temperature Issues

Hi,we intend to use the STM32F479 in an industrial application where ambient temperatures might vary, and we would like to use the system memory dfu as a backup bootloader. In AN2606 I found the following note:„For STM32 devices embedding bootloader ...

IHC by Associate
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  • 1 replies
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STM32H743, ETH interrupt enable

I am using the ETH module in the STM32H743 microcontroller. Added support for LwIP and DHCP. Everything works, the device receives an IP address and responds to ping requests. But there is a problem - the interruption of the ETH-module does not work ...

mak1308 by Associate III
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STM32L152RC VCP and DFU

in CubeMX i can choose USB Device in DFU mode or Virtual Com Port, but i want to use VCP and upgrade firmware using USB port. Is it possible?

AVern by Associate
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