def refresh(self):
if self.thread != None:
self.thread.stop()
if self.serial != None:
if self.serial.isOpen():
self.serial.close()
self.update_serial()
self.thread = SerialListen(self)
self.thread.start()
class NetworkTest(QtGui.QMainWindow):
def __init__(self, parent = None):
QtGui.QWidget.__init__(self, parent)
self.ui = Ui_MainWindow()
self.ui.setupUi(self)
self.setFixedSize(self.size()) # disable resizing
self.serial = None # serial object with configs
self.ports = [] # list of open ports
self.name = NODE_NAME # name of this node
self.node = None # name of node to send to
self.input = "" # text input from another device
self.nodes = [] # nodes in range of this one
self.oldNodes = []
self.thread = None # thread for listening to the network
self.queue = [] # queue of messages to send when possible
self.port = PORT
self.baud = BAUD_RATE
self.parity = PARITY
self.stopBits = STOP_BITS
self.byteSize = BYTE_SIZE
self.initialize() # initialize the interface
# QT signals used
clicked = QtCore.SIGNAL("clicked()")
toggled = QtCore.SIGNAL("toggled(bool)")
itemClicked = QtCore.SIGNAL("itemClicked(QListWidgetItem *)")
indexChanged = QtCore.SIGNAL("currentIndexChanged(const QString&)")
textChanged = QtCore.SIGNAL("textChanged(const QString&)")
returnPressed = QtCore.SIGNAL("returnPressed()")
# list widget connections
QtCore.QObject.connect(self.ui.listPorts, itemClicked, self.select_port)
QtCore.QObject.connect(self.ui.listNodes, itemClicked, self.select_node)
# radio button connections
QtCore.QObject.connect(self.ui.radioEven, toggled, self.select_parity)
QtCore.QObject.connect(self.ui.radioOdd, toggled, self.select_parity)
QtCore.QObject.connect(self.ui.radioMark, toggled, self.select_parity)
QtCore.QObject.connect(self.ui.radioSpace, toggled, self.select_parity)
QtCore.QObject.connect(self.ui.radioNone, toggled, self.select_parity)
QtCore.QObject.connect(self.ui.radio1, toggled, self.select_stop_bits)
QtCore.QObject.connect(self.ui.radio15, toggled, self.select_stop_bits)
QtCore.QObject.connect(self.ui.radio2, toggled, self.select_stop_bits)
QtCore.QObject.connect(self.ui.radio5, toggled, self.select_byte_size)
QtCore.QObject.connect(self.ui.radio6, toggled, self.select_byte_size)
QtCore.QObject.connect(self.ui.radio7, toggled, self.select_byte_size)
QtCore.QObject.connect(self.ui.radio8, toggled, self.select_byte_size)
# combo box connections
QtCore.QObject.connect(self.ui.comboBaudRate, indexChanged, self.select_baud)
# line edit connections
QtCore.QObject.connect(self.ui.textName, textChanged, self.change_name)
QtCore.QObject.connect(self.ui.textSend, returnPressed, self.send_text)
# button connections
QtCore.QObject.connect(self.ui.btnSend, clicked, self.send_text)
QtCore.QObject.connect(self.ui.btnSendImage, clicked, self.send_image)
def refresh(self):
if self.thread != None:
self.thread.stop()
if self.serial != None:
if self.serial.isOpen():
self.serial.close()
self.update_serial()
self.thread = SerialListen(self)
self.thread.start()
def initialize(self):
self.msg("Initializing...")
self.ui.listPorts.clear()
self.ports = self.list_ports()
for port in self.ports:
self.ui.listPorts.addItem(str(port))
# Set default baud rate
self.select_baud(BAUD_RATE)
# Set default parity
if PARITY == serial.PARITY_NONE:
self.ui.radioNone.setChecked(True)
elif PARITY == serial.PARITY_ODD:
self.ui.radioOdd.setChecked(True)
elif PARITY == serial.PARITY_MARK:
self.ui.radioMark.setChecked(True)
elif PARITY == serial.PARITY_SPACE:
self.ui.radioSpace.setChecked(True)
else:
self.ui.radioEven.setChecked(True)
self.parity = serial.PARITY_EVEN
# Set default stop bits
if float(STOP_BITS) == 1.0:
self.ui.radio1.setChecked(True)
elif float(STOP_BITS) == 1.5:
self.ui.radio15.setChecked(True)
else:
self.stopBits = 2
self.ui.radio2.setChecked(True)
# Set default byte size
if BYTE_SIZE == 5:
self.ui.radio5.setChecked(True)
elif BYTE_SIZE == 6:
self.ui.radio6.setChecked(True)
elif BYTE_SIZE == 7:
self.ui.radio7.setChecked(True)
else:
self.ui.radio8.setChecked(True)
self.byteSize = 8
# Set default name
self.change_name(self.random_name())
# Clear list widgets
self.ui.listNodes.clear()
self.ui.listSentData.clear()
self.ui.listReceivedData.clear()
self.ui.listRelayedData.clear()
self.msg("Initialized.")
def send_ping(self):
threading.Timer(5.0, self.send_ping).start()
self.serial.write("{NAME=" + self.name + "}")
self.oldNodes = self.nodes
self.nodes = []
def select_port(self, item):
self.msg("Selecting new port: " + str(item.text()))
self.port = int(item.text()[3:])
self.update_serial()
self.refresh()
def select_node(self, item):
self.msg("Selecting new node: " + str(item.text()))
self.node = str(item.text())
def select_parity(self, button):
self.msg("Selecting new parity.")
if self.ui.radioEven.isChecked():
self.parity = serial.PARITY_EVEN
elif self.ui.radioOdd.isChecked():
self.parity = serial.PARITY_ODD
elif self.ui.radioMark.isChecked():
self.parity = serial.PARITY_MARK
elif self.ui.radioSpace.isChecked():
self.parity = serial.PARITY_SPACE
else:
selfparity = serial.PARITY_NONE
def select_stop_bits(self, button):
self.msg("Selecting new stop bits.")
if self.ui.radio1.isChecked():
self.stopBits = serial.STOPBITS_ONE
elif self.ui.radio15.isChecked():
self.stopBits = serial.STOPBITS_ONE_POINT_FIVE
else:
self.stopBits = serial.STOPBITS_TWO
def select_byte_size(self, button):
self.msg("Selecting new byte size.")
if self.ui.radio5.isChecked():
self.byteSize = serial.FIVEBITS
elif self.ui.radio6.isChecked():
self.byteSize = serial.SIXBITS
elif self.ui.radio7.isChecked():
self.byteSize = serial.SEVENBITS
else:
self.byteSize = serial.EIGHTBITS
self.refresh()
def select_baud(self, baud):
self.msg("Selecting new baud rate: " + str(baud))
index = self.ui.comboBaudRate.findText(str(baud))
self.baud = self.ui.comboBaudRate.itemText(index)
self.ui.comboBaudRate.setCurrentIndex(index)
self.refresh()
def change_name(self, name):
self.msg("Changing this node's name to " + str(name))
self.ui.textName.setText(name)
self.name = name
def send_text(self):
if str(self.ui.textSend.text()) != "" and self.node != None:
self.msg("Sending text: " + str(self.ui.textSend.text()))
self.send(self.name, self.node, self.ui.textSend.text())
self.ui.textSend.clear()
elif self.node == None:
self.msg("You must select a node to send this message.")
else:
self.msg("No text entered.")
def send_image(self):
image = str(QtGui.QFileDialog.getOpenFileName())
imageStr = Image.open(image).tostring()
self.serial.write(imageStr)
# Sends a message with a specified sender and recipient
def send(self, sender, recipient, text):
message = "{FROM=" + sender + "}{TO=" + recipient + "}{TEXT=" + text + "}"
#self.queue.append(message)
self.serial.write(message)
if sender == self.name:
self.ui.listSentData.addItem("<To: " + recipient + "> " + text)
# Prints a message to the user via the status bar.
def msg(self, text):
self.ui.statusbar.showMessage(str(text))
def list_ports(self):
ports = None
if platform.system() == "Windows":
ports = []
for i in range(256):
try:
s = serial.Serial(i)
ports.append("USB" + str("%03d" % (i,)))
s.close()
except serial.SerialException:
pass
else:
ports = glob.glob("/dev/ttyS*") + glob.glob("/dev/ttyUSB*")
return ports
# Generates a random name for this node.
def random_name(self):
names = ["Donut", "Penguin", "Stumpy", "Whicker", "Howard",
"Wilshire", "Disco", "Jack", "Bear", "Sneak", "Wisp",
"Crazy", "Goat", "Pirate", "Hambone", "Walla", "Snake",
"Caboose", "Sleepy", "Stompy", "Mopey", "Dopey", "Weasel",
"Ghost", "Dasher", "Grumpy", "Hollywood", "Noodle", "Cupid",
"Abraham", "Prancer", "Blinky", "Bonobo", "Banana", "Cinnabon"]
rand = random.randint(0, len(names) - 1)
return names[rand]
def update_serial(self):
try:
#self.serial = serial.Serial(self.port, self.baud, self.byteSize,
# self.parity, self.stopBits)
if self.thread != None:
self.thread.stop()
self.thread = None
if self.serial != None:
if self.serial.isOpen():
self.serial.close()
self.serial = None
self.serial = serial.Serial(self.port)
self.send_ping()
except Exception as e:
self.msg("Serial already initialized, " + str(e))
