Re: [lwip-users] Connection-Abort error while netconn_connect in lwip+freertos on Atmel-Studio-7

Hi Simon. Thanks for the reply. The IP-Address and Port are very well in existence; we have thousands of (other kinds of) devices already connected to our server. (Just for the record, our server is a MQTT-broker server. Currently I am trying to connect our device to port 1883 on the server.

Re: [lwip-users] Connection-Abort error while netconn_connect in lwip+freertos on Atmel-Studio-7

Ajay Garg wrote: We are using lwip-1.4.1 with FreeRTOS on Atmel-Studio-7, on Windows. During the call to netconn_connect, the resultant err_t code being returned is ERR_ABRT. [..] I have googled, and I see a lot of people have this issue. Great. This means the remote host did not respond to

[lwip-users] Connection-Abort error while netconn_connect in lwip+freertos on Atmel-Studio-7

Hi All. We are using lwip-1.4.1 with FreeRTOS on Atmel-Studio-7, on Windows. During the call to netconn_connect, the resultant err_t code being returned is ERR_ABRT. Upon debugging, the line that is triggering this is

Re: [lwip-users] ip_addr_copy alignment issue

Hello, There seems to be a checksum issue that prevented a scussful ping. (although it looked OK in wireshark) After disabling CHECKSUM_BY_HARDWARE (for some reason it was defined) , it works without any issues now. Best Regards, Ran On Mon, Sep 25, 2017 at 10:31 AM, Wayne Uroda

Re: [lwip-users] ip_addr_copy alignment issue

Hi Ran, What about using memcpy, since it can handle unaligned access? #define ip_addr_copy(dest, src) memcpy(&((dest).addr), &((src).addr), sizeof((dest).addr)) Maybe that would work? I am not 100% sure though. - Wayne On Mon, Sep 25, 2017 at 4:45 PM, Dirk Ziegelmeier

Re: [lwip-users] ip_addr_copy alignment issue

I've found that IAR use similiar flag; --no_unaligned_access. So, now I get progressed , and see packes recieved and send. Yet, for some reason althoyugh everything looks without errors in wireshark, I get "request time out" for ping from PC. I tried to ping from several PC but it didn't help. Can

Re: [lwip-users] ip_addr_copy alignment issue

Hello Dirk. Thank you for the suggestion. I am using IAR compiler, and there is no such flag: http://netstorage.iar.com/SuppDB/Public/UPDINFO/006738/arm/doc/EWARM_DevelopmentGuide.ENU.pdf Is there any way to workaround this issue ? I tried many stuff but lwip doesn't work in any way. I can't be