I am working with serial port and a simple GUI to send a particular string to the serial port. The value will change the destination address for Xbee. The code in a simpler way is like this:
s = serial ('COM6');
fopen(s);
set(s,'terminator','CR');
TxTex = get(handles.destAddMSB, 'string');
disp(TxTex);
msb = strcat('ATDH', TxTex);
fwrite(s,'+++');
pause(1);
status = fscanf(s);
index=strfind(status,'OK');
fprintf(s,'%s',msb);
pause(0.1);
The Error message Matlab is showing:
The third input argument must be a string.
whereas the third input is msb in above mentioned code. I tried it otherway like sending only a string instead of msb and it is working ok. The main problem is when I am displaying msb it is showing in a single quotation [e.g. 'ATDH13A200']. Whereas for successful case there should not be any single quotation [i.e. ATDH13A200]. I have tried to use strrep(msb, char(39), ''); but it shows the same quotation mark. Could anyone please let me know how to accomplish this task so that the msb would work like a real string without the quotation marks?
