I have not followed this thread closely, but I've used a PIC32 and its web
server to provide a user interface to a web browser running on a desktop,
laptop, or tablet. I have not as yet used the Microchip Wi-Fi module,
instead using their Ethernet chips. With HTML5 and Ajax (or similar
techniques), it's possible to have a pretty good user interface. Also,
Firefox has a Telnet plugin (PCMAN) and I hear Chrome supports telnet://
URLs directly. I include a TCP server in each of the products I'm working
on. In one product (closed caption transmitter for movie theaters), I
stream a log out the TCP server so I (and the server companies I work
with) can figure out what's going on. I also have a command interpreter on
the TCP server. Commands take the form of:

command.name\tParam1\tParam2\tetc.\r

Results are returned as tab delimited text. The original parameters going
in can be integers in decimal or hex (start with 0x), floats (if the
command needs a float), or strings (if the command needs a string - for
example the name of a movie theater). The use of tab delimiting instead of
comma eliminates the need to surround the parameter with quotes as is
often done with strings in comma separated value files.

The command interpreter runs a 32 bit hash on the command.name, then uses
a switch/case statement to act on each command.

A fairly recent addition is routing HTTP POSTs to the command interpreter.
This does not work for forms, but works for "onclick" javascript. So, when
the user hits a button, a POST of something like this is sent"

cm8.sys.next_band\t0\r

This allows my standard command interpreter to handle this instead of
forever adding things to CustomHTTP.

So... how about HTML as a microcontroller GUI on a tablet?

Harold


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