send text(M1_RIGHT) to usb

hi, I want to start a motor with usb driver that I made it, it works when I send text with Bascom but with matlab dose not work; this is my m file that i write for start motor: s=serial('COM2') fopen(s) fprintf(s,'M1_RIGHT') what can I do?

Answer 1

[Walter Roberson]

You probably need to set the speed; you might also need to set the line terminator.

[mo ma]

I write this command s = serial('COM2', 'BaudRate', 2400, 'DataBits',8,'Parity','None','Stopbit',1); but it does not work!!!

[Walter Roberson]

Is there an error message?