Re: [lwip-users] PPP without an OS

[Prateek Jain]

Hi Remy,

 

   I am not sure whether you can do it or not. The way ppp is started is

 

tcpip_init(YourcallbackFunc,NULL);

pppInit();

 

First call starts a tcpip thread and second one starts a pp thread.

 

There is some interaction between tcpip and ppp threads ( tcpip_callback(pppStartCB, arg) call in pppMain).

So until unless you have a mutithreaded OS, it will not be very easy. You will have to understand the interaction and implement it in one thread somehow.

 

I also feel that sio_XXX are blocking functions.

 

Reagrding item 4, I feel it's not very difficult. You will get serrial comm code on net. Just call the read function from your sio_read fuinction.

 

Prateek

 

On 11/29/05, address@hidden <address@hidden> wrote:

Hello,

I'am trying to use the PPP stack for lwIP without an OS.
The ppp stack assumes that you use a multithreaded OS.

1) I'am wondering if someone has already used the PPP stack without an OS.
2) I guess I have to rewrite the pppMain() function.
3) It seems that the sio_xxx functions are blocking functions, am I right?
4) Is there a PPP port on win32 using the serial communication ports?

I use the lwip CVS head version (26/11/2005).

Thanks,
Rémy


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