STM32 MCUs Embedded software

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

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Systick Timer disabled using LL, bug?

The SystemClock_Config function which is generated by CubeMX will disable Systick Timer. If you select LL Driver for RCC. After calling SystemClock_Config the SysTick->CTRL is set from 0x7 to 0x5 in the Package L4.13.1 and to 0x01 using package L4.14...

Leo_Panda by Associate III
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STM32L4 Using DAC to play audio/voice files.

Hi,Has anyone tried or managed to have success in playing audios or voices data using the on board DAC on STM32L452? with a speaker connecting just to the DAC. I am at a proof of concept stage, where I am using an ST PDM microphone connected to an N...

Sam Ho by Associate II
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USB CDC device sometimes fails to receive

I'm using the USB CDC library on a STM32L452 created with CubeMX and have run into some problems with receiving data over USB. Every week or so I experience that the device stops receiving data (the transmit side works fine). In other words, the CDC_...

abaldur by Associate III
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FreeRTOS + GPIO won't work after naming GPIO

Hi all, I made a PCB with STM32F103RE. And I build a code with STM32CubeMX, which contain FreeRTOS, a GPIO input & a GPIO output. I can write a program that flash a LED driven by the output GPIO. But once I rename the GPIOs via STM32CubeMX, the LED...

SSin by Associate III
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Resolved! STM32H7 CubeMX LL drivers

Hi,when porting some code that uses CubeMX LL drivers to a H7, I noticed that CubeMX doesn't allow selecting LL drivers for any peripherals, but insists on using HAL for everything.Is there a particular reason that LL drivers can't be used on the H7,...

patrislav by Associate II
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  • 5 replies
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STM32 USB-PD Power Delivery Software Expansion

Hey, I am working on one of the example projects that is provided as part of USB-PD software expansion, by using SW4STM32 toolchain. I am using TCPM-TCPC architecture. During initialisation i am having errors for PE_Init. Does anyone have followed a ...

FaikN by Associate II
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  • 4 replies
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