STM32 MCUs Embedded software

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Problem with ethernet

Posted on August 31, 2016 at 10:23Hi, I'm using STM32F746-DISCOVERY. I want to use ethernet, but I connect for a little time 3-4 seconds and the the connection dropped. When I try to connect again I cant. I saw the example of ST and there isn't any ...

STM32F1 USB interrupts, why LP and HP?

Posted on August 30, 2016 at 13:11Given that in some instances both interrupts can be active at the same time, what is the point or use in having two? Is there any reason why the vector table for both shouldn't point to the same interrupt routine su...

Mikexx by Associate II
  • 1 replies
  • 1 kudos

USB Init fails on AHB Idle not set

Posted on August 29, 2016 at 19:43STM32F427.I cloned a cube project for a working application with Micrium os.  I want to run code without an OS.  As far as I can tell so far I am doing all the same initializations but the function USB_CoreReset fai...

USB FS Losing word in RxFIFO (STM42F40x)

Posted on March 03, 2012 at 06:09Hi All I thought that I had managed to tame the USB FS device, but I was wrong. There is one simple thing that is not working and it is so simple that it seems impossible to solve... I have a CDC class operating. Enu...

hpipon957 by Associate III
  • 10 replies
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Combining EXTI Interrupts

Posted on August 22, 2016 at 16:54I am not sure if this is conceptually possible but I would appreciate some inputs. I have a push button configured as EXTI0 and another push button to EXTI7. However, when both buttons are pushed together, I want to...

DMA initialization - CubeMX

Posted on August 23, 2016 at 09:38Hi,I'm trying to use cubeMX to initiate DMA transfer using timer event.On timer event I would like to copy GPIO port to memory.I see a lot of examples how to do it without cubeMX, but it looks that they use other HA...

heifetsg by Associate II
  • 2 replies
  • 0 kudos