Hello guys....i am working on embedded project for that i want to display the result generated from Matlab using serial port through LCD already programmed with microcontroller.

I want to display the Matlab result which is in decimal format and getting generated continuously like:

Output=1, Output=2, .........

I used the Matlab Inbult functions for serial communication s=serial('COM7') fopen(s) fwrite(s,'output') but i am getting the output on LCD as "output"(in form like [o] [u]...[t]) not the one which i want (on LCD it should display 1,2,3,4,...)

How to do that??? Please help me out..

Thankx in advance Sumeet Saurav

Answer 1

[Geoff Hayes]

Summet - please see serial write for details. According to the documentation (found at this link)

 fwrite(obj,A) writes the binary data A to the device connected to the serial port object, obj.

So when you invoke

 fwrite(s,'output')

the code is writing out the string output rather than the numeric data of the variable Output.

I think that what you want to do instead is

 fwrite(s,Output)

and/or specify the precision of the data as (for example)

 fwrite(s,Output,'uint8')