About infor

infor · 2017-05-25

Posted on May 25, 2017 at 22:17I've experienced random and unexplainable problems with CDC communication over USB, while using CubeMX-generated code.The PC was always able to enumerate the COM port, but sometimes it was unable to open it, (Windows r...

infor · 2017-05-20

Posted on May 20, 2017 at 16:58While working on a project based on STM32F202VG, I experienced intermittent and unexplainable problems with USB used with CDC class.Sometimes everything was working perfectly, but after power-cycling the board or the P...

infor · 2017-01-06

Posted on January 06, 2017 at 12:37Hello ST,it seems that the escape_seq parameter does not work as expected in the IDW01M1.There are some discrepancies between the user manual and the obtained results. Please have a look at my transcript:12:16:15.7...

infor · 2017-01-05

Posted on January 05, 2017 at 15:52I am currently working on a project that uses Etherne with CubeMX and lwIP.During the development, I found rather difficult to manage the cases when the physical link becomes invalid (e.g. cable unplugged), or it i...

infor · 2016-12-14

Posted on December 14, 2016 at 12:11Hello ST,I'd like to ask if there are plans to upgrade the lwIP embedded (1.5) in the Cube to the recent release 2.0.0Meanwhile, I can assure that upgrading an existing Cube project is possible!If someone is inter...

infor · 2017-05-27

Posted on May 27, 2017 at 11:23Hello Imen, I am using the lastest MXCube.I upgrade the software 2 days ago.Giuseppe

infor · 2017-05-25

Posted on May 25, 2017 at 21:52I think I've identified the problem.The issue comes from a wrong answer to the PC's request GET_CODING_LINE.In the ''bad'' session, the firmware fills the payload with random data, and this leads to further problems. I...

infor · 2017-05-23

Posted on May 23, 2017 at 21:30I'll try Tomorrow. Perhaps there is such a possibility. In this case I can repeat the sequences and post them here.If the tool is unable to provide raw data, can you please suggest a different tool?Besides... it seems ...

infor · 2017-05-22

Posted on May 22, 2017 at 21:25 The original post was too long to process during our migration. Please click on the provided URL to read the original post. https://st--c.eu10.content.force.com/sfc/dist/version/download/?oid=00Db0000000YtG6&ids=068...

infor · 2017-02-10

Posted on February 10, 2017 at 09:34Thank you for you answer, I will try this alternated approach.Checking the source, I see a functionethernif_update_config()(part of Cube-generated code, not lwIP), which in turn calls :__weak ethernif_notify_conn_...

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Bug: CDC_Control_FS() in usbd_cdc_if.c is empty

Problem (solved?) with USB CDC

issues with escape_seq

Managing Ethernet cable events with lwIP

Upgrade of lwIP embedded in STM32CubeMX

Re: Bug: CDC_Control_FS() in usbd_cdc_if.c is empty

Re: Problem (solved?) with USB CDC

Re: Problem (solved?) with USB CDC

Re: Problem (solved?) with USB CDC

Re: Managing Ethernet cable events with lwIP