mike wrote: > I'm having trouble with Gambas and the serial ports. > Something is changing binary &h0d to &h0a when received > from a serial port. I noticed it in a program that I've > been working on that receives packets of binary data > from a microprocessor. I wrote a little test program to > demonstrate the problem and have included it below. I also > reprogrammed the micro to simply send &h0d as long a > pushbutton is held depressed. I have verified that the > correct data is indeed being sent using CuteCom to display > the binary data. > An interesting thing that I noticed when I ran CuteCom to > test the data being received is that if I close CuteCom without > closing the serial port first then run my Gambas program, it works > fine until I restart the system. If I close the port before closing > CuteCom then my Gambas program fails. > > > This is the code for the test program. > > ' Gambas class file > ' Using Gambas 2.18 on a system running > ' Fedora Kernel (26.30.9-102.fc11.x86_64) > ' It also fails running Gambas 2.11 > ' on my laptop running > ' Fedora Kernel (2.6.27.25-78.2.56.fc9.i686) > > PUBLIC SUB Form_Open() > > ME.Center > > ' Setup the serial port - 9600,8,N,1 > > ' SerPort1.PortName = "/dev/ttyS0" ' Both ports fail > SerPort1.PortName = "/dev/ttyUSB0" ' This the port I'll eventually use > SerPort1.Speed = "9600" ' because the laptop has no > serial port. > SerPort1.DataBits = "8" > SerPort1.Parity = "0" > SerPort1.StopBits = "1" > SerPort1.Open > > TextArea1.Text = SerPort1.PortName & Chr$(10) > END > > PUBLIC SUB SerPort1_Read() > > ' A microprocessor is connected to the serial port and > ' continuously sends &h0d (CR) as long a push button is held down. > > DIM InByte AS Byte > > READ #SerPort1, InByte > TextArea1.Insert(Hex$(InByte) & " ") > ' The textarea displays a series of "A " (LF) instead of "D " (CR) > END > > PUBLIC SUB ExitBtn_Click() > > SerPort1.Close > QUIT > END > > PUBLIC SUB ClearBtn_Click() > > TextArea1.Clear > END >
This is a Linux thing. Not Gambas. The icrnl flaf is set as standard. Easiest way is to use stty to change it. SHELL "stty -F " & SerPort1.PortName & " -icrnl" ------------------------------------------------------------------------------ Return on Information: Google Enterprise Search pays you back Get the facts. http://p.sf.net/sfu/google-dev2dev _______________________________________________ Gambas-user mailing list Gambas-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/gambas-user