def connect(request):
if request.method == 'GET':
if server_is_up():
return render(request, 'web-ui-connect.html', {
'serial_ports': ARDUINO_PYRO.get_serial_ports(),
})
else:
return render(request, 'web-ui-connect.html', {
'show_start_pyroproxy_server_msg': True,
})
if ARDUINO_PYRO.is_connected():
raise(Exception("PyArduino is already connected"))
if 'connect_emulator' in request.REQUEST:
serial_port = DEVICE_FOR_EMULATOR
speed = None
else:
serial_port = request.REQUEST['serial_port']
speed = int(request.REQUEST['speed'])
try:
logging.info("Trying to connect to %s", serial_port)
ARDUINO_PYRO.connect(tty=serial_port, speed=speed)
return HttpResponseRedirect(reverse('home'))
except Exception, e:
try:
ARDUINO_PYRO.close()
except:
pass
logging.error("Couldn't connect. " + "".join(Pyro4.util.getPyroTraceback()))
messages.add_message(request, messages.ERROR,
"Couldn't connect: {0}".format(str(e)))
return HttpResponseRedirect(reverse('connect'))
def home(request):
if not server_is_up():
return HttpResponseRedirect(reverse('connect'))
if not ARDUINO_PYRO.is_connected():
return HttpResponseRedirect(reverse('connect'))
try:
ARDUINO_PYRO.validateConnection()
except Exception, e:
# FIXME: DESIGN: error hablder should be part of PyArduino, not web interface...
# if self.validate_connection_error_handler:
# self.validate_connection_error_handler()
ARDUINO_PYRO.close()
messages.add_message(request, messages.ERROR, str(e))
return HttpResponseRedirect(reverse('connect'))
def home(request):
if not server_is_up():
return HttpResponseRedirect(reverse('connect'))
if not ARDUINO_PYRO.is_connected():
return HttpResponseRedirect(reverse('connect'))
try:
ARDUINO_PYRO.validateConnection()
except Exception, e:
# FIXME: DESIGN: error hablder should be part of PyArduino, not web interface...
# if self.validate_connection_error_handler:
# self.validate_connection_error_handler()
ARDUINO_PYRO.close()
messages.add_message(request, messages.ERROR, str(e))
return HttpResponseRedirect(reverse('connect'))
def connect(request):
if request.method == 'GET':
if server_is_up():
return render(request, 'web-ui-connect.html', {
'serial_ports': ARDUINO_PYRO.get_serial_ports(),
})
else:
return render(request, 'web-ui-connect.html', {
'show_start_pyroproxy_server_msg': True,
})
if ARDUINO_PYRO.is_connected():
raise (Exception("PyArduino is already connected"))
if 'connect_emulator' in request.REQUEST:
serial_port = DEVICE_FOR_EMULATOR
speed = None
else:
serial_port = request.REQUEST['serial_port']
speed = int(request.REQUEST['speed'])
try:
logging.info("Trying to connect to %s", serial_port)
ARDUINO_PYRO.connect(tty=serial_port, speed=speed)
return HttpResponseRedirect(reverse('home'))
except Exception, e:
try:
ARDUINO_PYRO.close()
except:
pass
logging.error("Couldn't connect. " +
"".join(Pyro4.util.getPyroTraceback()))
messages.add_message(request, messages.ERROR,
"Couldn't connect: {0}".format(str(e)))
return HttpResponseRedirect(reverse('connect'))
