RE : [lwip-users] LWIP, PPP and GPRS

[Erik]

If you're getting a normal CONNECT when using a terminal program, you should be able to get the same results using lwip. I am using lwip, together with my own implementation of PPP. AT commands I use to get the PDP context are implemented in yet another part of the software, as they have nothing to do with PPP.

Are you able to monitor what your program is sending to the modem? (Split serial cable)

By doing that you should be able to see the differences and decide what is wrong

Regards

Erik

 

Original message:

Hi,
   I've used the following AT commands to establish a PDP context :

ATZ
AT+CFUN=1
AT+CMEE=2
AT+CPIN="0000"
AT+CREG=1
AT+CGDCONT=1,,"network_name"
ATD*99***1#

And it works perfectly on a hyperterminal. The same thing through LWIP, PPP and my GPRS module doesn't work.

Thanks,

Regards,

Laurent