Re: Re: [lwip-users] PPP example

[张鹏]

Michael Broughton,您好！

        i have a problem about ppp,how i port lwip-ppp to my x86(AMD186ED) 
system,
which function,i.e sio_read,sio_write,sio_xxx that i need to modified,can you
help me about to write function about sio stuff?  

======= 2004-07-04 11:24:36 您在来信中写道：=======

>I don't have an example that I can show you but it's not really that 
>complicated. I'm going to assume that you have lwip all set up and ready to 
>go; in other words, you have all the sysarch, lwipopts, and sio stuff in 
>working order. If that is the case, there a four routines that you should 
>take a look at in ppp.c:
>
>pppInit() - Call this once when you system starts. I call this from my 
>sys_init() routine.
>pppSetAuth() - Use this to set a user name and password for PAP or CHAP, if 
>you have either of them enabled (look in your lwip opts files).
>pppOpen() - Creates a new thread and tells it to start PPP. This new thread 
>will let you know what's going on with the PPP connection via the callback 
>that you must specify for the first argument.
>pppClose() - Brings down the PPP link and ends the PPP thread.
>
>You should be able to ignore just about everything else, unless you need to 
>do some debugging. Anyway, this is basically what you need to do:
>
>1. Initialize your system and lwip (including pppInit()).
>2. Open your comm port.
>3. Dial your modem and wait for it to connect.
>4. call pppSetAuth() and pppOpen().
>5. wait for PPP to tell you it is open (or if it failed for whatever reason).
>6. now you should be on-line. do your thing.
>7. call pppClose and close your comm port.
>
>That should get you started. Just make sure you read and understand exactly 
>what those four routines (the ones i outlined above) are doing.
>
>
>Mike
>
>
>At 07:09 PM 03/07/2004, you wrote:
>>Hi
>>
>>I am trying to get lwIP with PPP up and running on my ARM devboard. Does 
>>anyone have some working PPP examples?
>>
>>Thanks
>>Felix
>>
>>
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>
>
>
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>

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　　　　　　　　致
礼！
 
                                 
　　　　　　　　张鹏
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　　　　　　　　　　2004-07-18