[Ovmsdev] Kona electric and http routing

[Peter Lord]

> On 23 Oct 2019, at 07:33, Mark Webb-Johnson <mark at webb-johnson.net> wrote:
> 
> The connection between the SIMCOM and the ESP32 is 115,200 baud. That could be increased (in software), and there is software flow control on the GSM MUX we use (although I have no idea if SIMCOM implements it); but without hardware flow control lines I don’t think it could/would approach 3G speeds.


Ah, I see thanks.  In this case, though, the bandwidth & latency requirements are minimal ( occasional http get ) ... its not as though I want to watch youtube :-)


> 
> The alternative is to swap it around. Put the modem and the SIM in some other device designed for that purpose, and have OVMS connect to that as a WiFi client.


Right, good point, thanks.

I guess I need to order one :-)


> 
> Regards, Mark.
> 
>> On 23 Oct 2019, at 2:23 PM, Peter Lord <plord12 at gmail.com> wrote:
>> 
>> Hi All,
>> 
>> I've been lurking here for a while still debating wether to ditch my autopi in favour of OVMS.
>> 
>> One thing thats held me back is to find a way to use the wifi hotspot as a NAT router - this is 
>> useful to allow my sat nav to get traffic and charging point updates.  As far as I can see on 
>> the web page this isn't currently supported.
>> 
>> However I did see a couple of projects that adds NAT support to lwip :
>> 
>> 	https://github.com/martin-ger/lwip_nat_arduino
>> 	https://github.com/jonask1337/esp-lwip
>> 
>> Does anyone know if adding NAT has a fighting chance ?
>> 
>> Cheers,
>> 
>> Pete
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