STM32 MCUs Embedded software

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LwIP Netconn_rcv not returning when it should

I have a webserver running on an STM32F407. I have static pages and one dynamic page that updates every 1 second - it just displays the status of the FreeRTOS tasks. Everything is working except that occasionally (3 - 40 seconds) the dynamic page q...

MStra.3 by Associate III
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Resolved! Jump to bootloader on an STM32L496

Good morning,I've been fighting with an L496, trying to get it to jump into the bootloader.I'm using STM32CubeIDE 1.7.0 on a Nucleo-L496ZG.The code is based on a new project for the Nucleo board, hints from AN2606.Just to make sure that I wasn't too...

What's the worst that can happen if I assign a (quick) interrupt HIGHER prio than timer tick in FreeRTOS?

What's the worst that can happen if I assign an interrupt HIGHER prio than timer tick in FreeRTOS? Can I make the microcontroller or the operating system crash? The execution time of the high prio interrupt will be less than 100 microseconds and I pl...

arnold_w by Senior II
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Resolved! How to Create a Super Simple Bootloader, Part 3: Developing the Boot Code - check if an initial SP is loaded at the start of flash

Hi,I had a question regarding Bruno's excellent series on creating a simple bootloader.In part 3, there is an if statement which checks if something has in fact been loaded into the applications's flash region:// bootloader main.c if( ( *(uint32_t *)...

DRall.1 by Associate II
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Behavior with _LOW_POWER

Hi everyone,I am working on an USB-PD source that is battery powered.To make use of the low power features, I defined _LOW_POWER.When this is defined, I get a problem in connection with eletronically marked cables (EMC). Non-EMC cables work fine.The ...

CWern.1 by Associate II
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  • 11 replies
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Resolved! Problem with STM32H747 HS USB DMA.

Hello together,after a lot of trouble getting the USB HS port working on the STM32H747 on the STM32H747I-DISCO Discovery kit I’m stuck again. I’m using STM Cube IDE 1.7 and the HAL USB CDC lib.I was able to get USB CDC working on the M4 thanks to htt...

FTrie.1 by Associate II
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  • 7 replies
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