Re: [lwip-users] connection drops

2020-03-06 Thread vrnud
Hi, Thanks for your reply. if only modbus application is running, unit is working completely fine. Problem starts after web browser application is started. i am guessing it might be synchronisation issue. but its too early to say anything about problem without proper debugging. i know the lwip

[lwip-users] Do not fragment (DF) in a UDP transmission.

2020-03-06 Thread Roger Cover
Greetings, I am writing a video transmitter. The protocol I am using requires that a "test packet" has its do not fragment bit set. This is used to determine the maximum usable MTU of the intervening network nodes. I would like to know the recommended method for setting this bit in my UDP

Re: [lwip-users] connection drops

2020-03-06 Thread Stephen Cowell
On 3/6/2020 5:23 AM, vrnud wrote: Hi, I am using lwip for Modbus and Http application. I have used raw api for both the application. I am facing disconnect problem with modbus application while http application is running. Web page is auto refeshing at 3 seconds. kindly let me know what are

[lwip-users] connection drops

2020-03-06 Thread vrnud
Hi, I am using lwip for Modbus and Http application. I have used raw api for both the application. I am facing disconnect problem with modbus application while http application is running. Web page is auto refeshing at 3 seconds. kindly let me know what are the reasons and where should i look

[lwip-users] RAW TCP client gets terminated

2020-03-06 Thread Jonas97
Hello, Im running LwIP in NOSYS mode on a microcontroller. Currently I have trouble implementing a RAW TCP Client. I was able to run the HTTP Server including CGI/SSI and IPerf both as client and server. My Client gets a connection to a server(simple pyhton example server) and I am able to send a