FAQs
cancel
Turn on suggestions
Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type.
Showing results for 
Search instead for 
Did you mean: 

STM32_USB:Interrupt Storm when sending data through virtual COM port..

saimaddy123
Associate II

‎2011-03-16 03:13 AM

Posted on March 16, 2011 at 11:13

STM32_USB:Interrupt Storm when sending data through virtual COM port..

0 Kudos
4 REPLIES 4
saimaddy123
Associate II

‎2011-05-17 05:28 AM

Posted on May 17, 2011 at 14:28

Can any one help me on this one? I am not having a clue on what is happening as it is difficult to debug USB transactions..

Thanks in advance,

Sai

0 Kudos
domen23
Associate II

‎2011-05-17 05:28 AM

Posted on May 17, 2011 at 14:28

I assume you get an interrupt acknowledging data you sent was sent on usb. I don't know how you handle it, though, nor am I familiar with stm32 usb stack.

0 Kudos
saimaddy123
Associate II

‎2011-05-17 05:28 AM

Posted on May 17, 2011 at 14:28

My understanding is that the STM32 usb stack clears the interrupt mask as soon as it is processed. But i am getting a continuous interrupts...

0 Kudos
saimaddy123
Associate II

‎2011-05-17 05:28 AM

Posted on May 17, 2011 at 14:28

I could have it working.. Posted the code here... Let me know if you guys find any problems with it...

https://my.st.com/public/STe2ecommunities/mcu/Lists/ARM%20CortexM3%20STM32/Flat.aspx?RootFolder=https://my.st.com/public/STe2ecommunities/mcu/Lists/ARM CortexM3 STM32/stdio over USB serial in STM32-H107&FolderCTID=0x01200200770978C69A1141439FE559EB459D758000626BE2B829C32145B9EB5739142DC17E&currentviews=87

0 Kudos
Top