Nope, running as root does not help. Seems like the script gets stuck on the write to the port. The ser.write(s) never returns.<br><br>Thanks for the tip anyway.<br><br>Jim<br><br><div class="gmail_quote">On Jan 31, 2008 1:33 AM, Ryan Pavlik <<a href="mailto:abiryan@ryand.net">abiryan@ryand.net</a>> wrote:<br>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">Have you checked the permissions on the device file to ensure that your<br>user ("user") has write permissions (and/or tried running this as root?)<br>
<br>Ryan<br><div><div></div><div class="Wj3C7c"><br>James Kemp wrote:<br>> I'm using a N810, but the problem of connecting a RS232 device is<br>> probably the same.<br>><br>> I'm getting close to getting a RS232 connection working using<br>
> Bluetooth and Python2.5. The code below is getting me close. I can<br>> receive RS232 string over Bluetooth using this code. I just can't seem<br>> to figure out how to send string out. If I try and use PySerial<br>
> package I get an error when trying to open the port.<br>><br>> #! /usr/bin/env python2.5<br>> import dbus<br>> import time<br>> import sys<br>> import thread<br>> #import serial<br>><br>> PortOpen = 0<br>
> ser = ""<br>><br>> #<br>> =============================================================================<br>> def OpenPort ( COM_Port ):<br>> global ser, PortOpen<br>> try:<br>> print "Opening %s port" % COM_Port<br>
> #ser = serial.Serial( COM_Port, 115200, timeout=0,<br>> parity=serial.PARITY_NONE, rtscts=0)<br>> ser = open( COM_Port, 'r+' )<br>> PortOpen = 1<br>> except:<br>> print "Error opening serial port."<br>
> exit()<br>><br>><br>> #<br>> =============================================================================<br>> def CommThread ( tid ):<br>> """ This function is designed to be run as a thread task. """<br>
> global gTID, PortOpen<br>> gTID = tid<br>> i = 0<br>> while PortOpen:<br>> s = ser.readline( ).strip( '\r\n' )<br>> print s<br>> print "CommThread Ending %d" % PortOpen<br>
><br>> bus = dbus.SystemBus()<br>> bmgr = dbus.Interface( bus.get_object('org.bluez', '/org/bluez'),<br>> 'org.bluez.Manager')<br>> bus_id = bmgr.ActivateService('serial')<br>
> serial = dbus.Interface(bus.get_object( bus_id, '/org/bluez/serial'),<br>> 'org.bluez.serial.Manager')<br>><br>> # Service connection, read the serial API to check the available patterns<br>> address = "00:01:95:06:CF:88"<br>
> service = "spp"<br>><br>> # Bind to the default local adapter<br>> device = serial.ConnectService( address, service )<br>> print "Connected %s to %s" % (device, address)<br>><br>> time.sleep(1)<br>
> OpenPort( device )<br>> thread.start_new( CommThread, (1234,) )<br>><br>> print "Press CTRL-C to disconnect"<br>><br>> while(1):<br>> s = raw_input()<br>> print "Writting %s" % s<br>
> ser.write(s)<br>> ser.flush()<br>><br>> serial.DisconnectService(device)<br>><br></div></div>> ------------------------------------------------------------------------<br>><br>> _______________________________________________<br>
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><br><br><br></blockquote></div><br><br clear="all"><br>-- <br>Allied Transportation Technology, Inc.<br>Jim Kemp<br>1465 Combermere Dr.<br>Troy, MI 48083<br>Ph: (248) 616-2100 Ext: 28<br>Cell: (248) 930-7709