serialout_nag.m

a code which export a letter/array to serial port

%Matlab Code
%If program doesn't close and delete the serial port object correctly, 
%use the command shown below to delete all of the serial port objects.
%delete(instrfind)

s = serial('COM1','BAUD',9600);           % Create serial object (PORT Dependent)
fopen(s)                                    % Open the serial port for r/w
%fprintf(s, '*');
%myChar = 'a';                               
%prompt = 'Enter a character (q to exit): '; 
%out = fscanf(s);
%while (myChar ~= 'q')                       % While user hasn't typed 'q'
    fprintf(s, 'A')             % Write first char of user input to serial port
    fprintf(fscanf(s))                      % Read Data back from PIC
    %myChar = input(prompt, 's');            % Get user input
%end

fclose(s);                                  % Close the serial port
delete(s);                                  % Delete the serial objectwhile(!q)
clear s;