Hi,

I am working on a my  final year group project for a Masters degree
in EEEng. (very interesting reading regards [OT]:job interview). Four
of us have been work like nutters to try an build an ultrasonic
communication technology demonstration rig. This is where I have to
say that FE design of motors is my thing and I avoided comms for a
reason....This topic is not by choice.

Anyhow, the modulation and demodulation boards are each controlled by
a 16F877. In the demodulation circuit the A2D converter is used to
read the values of the incoming symbols. My original idea was to save
these into the EEPROM, but have now discovered that there is nowhere
near enough room. So we have decided to send them directly to a PC
for storing. On the PC we are using MATLAB to compare the received
signal with what was actually sent, so that the error of the
modulation scheme (QAM, QPSK....etc) can be illustrated.

My question is this. I think it is possible to send the data directly
to MATLAB using the 'serial' function. Is this correct. If so, what
is the fastest baud rate it can work at? If I have to send this in
real time I have to send 320kbs. (I think... sampling at 20kHz, 16
bits per sample....is that right!?).

I have got the pic to talk to hyper terminal but it only read out
ASCI values, and there are not enough characters to represnt the full
1024 range of the A2D.

Any suggestions, comments and answers will be very much appreciated.
I have only started to learn anything about pics a couple of months
ago, and have over loaded my mind a little with information!

Kind Regards.

Edwin Pinguey
Master Electronic and Electrical Eng
University of Newcastle Upon Tyne

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