STM32 MCUs Embedded software

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

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Forum Posts

Cannot get USB VPC to work, bootloader / DFU mode works

Hi All,I have a strange problem. I made a custom board with a stm32l151VETx and i cannot get the VPC to work. No device shows up in the device manager nor on linux under dmesg. However if I change the boot pins so that the internal bootloader starts ...

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mmj by Associate
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STM32F107 FreeRTOS+NetConn won't work

Hello.I'm trying to stitch-up the STM3210C LwIP TCP/IP Echo client example (my board) and STM324xG LwIP+FreeRTOS+NetConn example.LwIP, and netif config are the same as for Echo example (and previously I ran httpd-raw server with it).I was able to set...

zedeg by Associate III
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Inaccurate us delay function

Hi,I'm trying to implement a `delay(microseconds)` function on an STM32 F745 running at 216 MHz. I want to keep it dummy and simple without involving interrupts. My strategy is as follows:-Setup TIM2 to run at 1 MHz. Since it has a 32-bit counter it ...

CGalv by Associate III
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  • 9 replies
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