Hi, I'm new to lwip. I have tried lwip on TI TM4c1294 XL board, and it was fine. I can send TCP packet using raw api as well as receive TCP packet.

So, I gained some experience from that. Now, I want to try ppp over serial without ethernet code and PHY being involved. Any suggestion how should I start? I know that I need to init lwip stack and then init ppp. And the ppp and lwip main have to be on different thread (?). But, how about the netif since now I don't use ethernet if (instead I'm using sio - serial if) Is there any sample code?

Re: [lwip-users] DNS host not resolving using lwip_gethostbyname function using ppp over serial, Sergio R. Caprile, 13:18; Re: [lwip-users] DNS host not resolving using lwip_gethostbyname function using ppp over serial, rohanm, 09:38. PPP interface for lwIP Author: Sylvain Rochet Table of Contents: 1 - Supported PPP protocols and features 2 - Raw API PPP example for all protocols 3 - PPPoS input path (raw API, IRQ safe API, TCPIP API) 4 - Thread safe PPP API (PPPAPI) 5 - Notify phase callback (PPP_NOTIFY_PHASE) 6 - Upgrading from lwIP lwIP >= 2.0.x 1 Supported PPP protocols and features ===== Supported Low level.

Thank you so much. HI Siauhwa, We don't have any sample code for PPP implementation. Having said that the lwip wiki has a very detailed information on how to implement the necessary functions to support PPP over serial (there are about four functions as per the wiki). I am including the link here in case you haven't looked at it already. The wiki also has an example of the intended application code along with necessary defines that should be added to the lwipopts.h file. I hope this information will help you. All content and materials on this site are provided 'as is'.

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Hi, On Tue, Jun 21, 2016 at 05:53:05PM +0200, Gennaro Zazo wrote: > > Attached the log, I apologize if it is rude. If you need to change the > debug mask let me know. The garbaged log probably means you are violating lwIP threading constraints.

You can notice that PPP negotiated up to a running session in your log, which is quite a good news. The pppos_input() function in lwIP 1.4.x is not thread safe, maybe that's the issue. You could try setting PPP_INPROC_MULTITHREADED but the name is misleading, that's only IRQ safe (i.e. Safe with one way preemption and different priority) but not thread safe. Gba4ios free download.

Or better, you could try lwIP 2.0.0 Beta1, where the PPP stack was fully reworked if not totally rewritten. Sylvain _______________________________________________ lwip-users mailing list.