Re: [lwip-users] hayes commands popping up in ppp stream

2014-11-14 Thread nkarakotas
Hi, The product is fine,I have been using the SIM900D without any problems in many different countries as well. It may run for a days without dropping the connection. Obviously you have a hardware issue as your not supplying enough voltage or power supply voltage drops when the gsm signal is

Re: [lwip-users] LWIP on LPC1769.

2012-05-22 Thread nkarakotas
Hi, Try and enable the DEBUG on LWIP tcp etc. to see whats going on. Its probably a driver problem. Dont expect the examples on the web to work for your setup, most of then dont work properly. I have a port for FreeRTOS that I can send you. You are probably be better with FreeRTOS. Regards,

[lwip-users] 2 Interfaces , PPP over Serial and Ethernet

2012-03-05 Thread nkarakotas
Hello, I have system with an ethernet and a GSM modem on. The application involves uploading remotely through the PPP connection and ethernet usually to access the web application. I have a problem when running the two interfaces together. Separately they run ok. Initialy I bring up the