I think Niphlod is right. You need to add your user to teh "dialout" group.
http://dereenigne.org/linux/debianubuntu-serial-port-access --Joe On Thursday, March 28, 2013 1:54:29 AM UTC-7, theoffi...@gmail.com wrote: > > Hello everyone. > I would like to use web2py as my Raspberry Pi webserver. i need to send > some serial data from the web application to Raspberry Pi and send to a > device. However, i encountered the error of " <class > ‘serial.serialutil.SerialException’> could not open port /dev/ttyAMA0: > [Errno 13] Permission denied: ‘/dev/ttyAMA0′ " > > I have been stuck at this for weeks and i can't seem to find any solution > except moving on to using cherrypy and jquery. :( but i really wish to use > web2py! > > So, i have this code below that could work fine using normal python script > as well as cherrypy. in web2py, i put this under "default.py" and create a > new def for it. > > import serial > import time > > serialport= serial.Serial ("/dev/ttyAMA0", 9600, timeout=0.5) > serialport.write("\x03LI1234\x0D") > response=serialport.readlines(1) > print response > time.sleep(1) > > what could have been done wrongly? :( > > Read more details here: > http://yvonnezoe.wordpress.com/2013/03/14/web2py-web-app-progress/ > -- --- You received this message because you are subscribed to the Google Groups "web2py-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to web2py+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
