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Wow, then it's a lot of problem.
Another option I had in mind becomes more relevant now:
1) Getting the new Fez Cerbuino Bee: http://www.ghielectr...log/product/351 for $40 then it works out of the box with $35 Ethernet: http://www.ghielectr...log/product/333 according to the former link also it's easy to do WiFi (using WiFi-Serial bridge solution of XBee Socket which is already there plus Roving Networks RN-XV Module for $35: http://www.sparkfun.com/products/10822)
So for total $75 I get fast MCU + Ethernet (or the same price for WiFi) ! It has USB/SD Card/Power Barrel/USB Host etc...
So what's the best way to get Ethernet assuming direct socket to NGO is not available now and Shield is the way to go?
I'm sure many have used a solution to make a Netduino Plus out of a Netdiuno and there is a rather standard answer for this now.
Looking close in MCU datasheet I see there are three SPIs:
SPI1 can communicate at up to 37.5 Mbits/s, SPI2 and
SPI3 can communicate at up to 21 Mbit/s. T
Now I wonder if solution (1) above messes up with SPI1? If that's the case I lose the faster one
I wouldn't bet on it. The problem with most networking solutions is that they require specific firmware as well.
Even GHI is experiencing that. Thus the note: Currently, this module works only with FEZ Spider Main board.. It doesn't work with other gadgeteer mainboards.
Sounds like that.
Upside is that this is real WiFi not a Wifi-Serial bridge.
It's crazy, I bought an external WiFi-Ethernet Bridge with extra 4 ethernet ports and it has webpage for setup, antennas, WEP etc. for ~$50 so in practice it may be better to have an ethernet convertor and lose one SPI then use an external box like this. Only downside is that it takes more space...