Subject Re: Does dbase work with pole display From Emeka <megameks@yahoo.com> Date Thu, 10 Oct 2019 09:33:42 -0400 Newsgroups dbase.getting-started Mervyn, Thank you very much for the time put on this. God bless you. You have put me on the right note. Emeka Mervyn Bick Wrote: > On 2019-10-10 9:09 AM, Emeka wrote: > > Thank you Mervyn, > > > > This worked well without the length errors but the thing now is data from the two lines appeared on one line. Something like no carriage return. > > > > Again which command can I use to clear data from the pole. Something like putting finishing touches to this code. > > This is something you are going to have to experiment with yourself.  I > don't have serial port and an identical display to play with so I can't > see the result of sending controls to the display. > > Try adding a  carriage return and line feed to each line and see what > that does. > > > oS.writeString(form.entryfield1.value+chr(13)+chr(10)) > oS.writeString(form.entryfield2.value+chr(13)+chr(10)) > > Your supplier should have given you some documentation, apart from some > rudimentary Visual Basic code, on what the display can, and can't, do. > > All the control characters that the display apparently reacts to were > listed in my first program.  I  suggest you set up a separate pushbutton > to submit each one to the display and see what happens for each.  the > first one to try is reset and see if that clears the display. > >    function PUSHBUTTON2_onClick() >       oS = form.serialcomm1 >       oS.openPort('COM1',9600,N,8,1) >       oS.writeString(chr(31)) >       oS.closePort() >       return > > Mervyn. > >