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Re: [lwip-users] Opinions on using lwIP for making application GPRS-chip
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From: |
Sergio R. Caprile |
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Subject: |
Re: [lwip-users] Opinions on using lwIP for making application GPRS-chipset-agnostic |
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Date: |
Fri, 21 Aug 2015 11:29:29 -0300 |
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User-agent: |
Mozilla/5.0 (Windows NT 5.1; rv:38.0) Gecko/20100101 Thunderbird/38.2.0 |
> > and a
> > layer-2 interface (netif) for the other ones.
> > This way, your app is always the same and you only change code for what
> > is below layer-3. You'll have to write your own netif, though.
> > lwIP is a TCP/IP stack which communicates to "the outside world" via
> > interfaces called "netif". Basically you can run it on top of everything
> > where you can write a netif for.
> I don't understand why Sergio is proposing that, lwIP embeds a full
> featured PPP stack and all GPRS modems I know are able to do PPP.
Yes, same here, all modules I know are TCP/IP capable and PPP capable.
The OP mentioned some modules/chipsets which are not TCP/IP capable and
I assumed they weren't PPP capable also.
As long as the chipset/module supports PPP, you rule and dinner's ready.
Otherwise, long way to walk on the netif road.
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