STM32 MCUs Embedded software

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STM32F4 LWIP freezes after fixed send number

I'm using nucleo f429zi with LWIP v 2.1.2. Documentation states that for TX buffer PBUF_RAM should be used. In my case whole LWIP stack freeze after 28 send messages. When I change pbuf type to PBUF_POOL, everything works like a charm. Although in th...

Resolved! MCU serial number

For some reasons it will be good to write my own MCU serial number for USB purpose.. Is it possible to change seria number of hte MCU and how to do this...

MJova.1 by Associate II
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Resolved! FOTA in STM32L0

For an application, I need to implement FOTA through UART/USB for STM32L0 microcontroller. Are there any examples or firmware packages available for this?

ASiva.1 by Associate III
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  • 1 replies
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STM32L4 usb bug

Hello, I am using the STM32L4 Micro-chip on a board I am using, and I can across a weird issue with the usb. When ever I was running iar and trying to open up the com port within another serial program, the serial program was unable to open the com p...

DAgui.3 by Associate
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Resolved! stm32h723 lwip configuration problem

I wanted to replace my system that used to work with stm32f407VGT6 with STM32H723VET6 as it is cheaper.I designed a new pcb, followed the steps in the link below and created a project.https://community.st.com/s/article/How-to-create-project-for-STM32...

STM32F4 HAL RTC Library Output

It appears that if the output bit is set (RTC_CR_COE) it doesn't get cleared when the RTC is initialized.In the library code:HAL_StatusTypeDef HAL_RTC_Init(RTC_HandleTypeDef *hrtc){... else {   /* Clear RTC_CR FMT, OSEL and POL Bits */   hrtc->Instan...

KKobe.1 by Associate
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  • 2 replies
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