def sendResponse(self, request, response):
responseNodeIP = request['responseNodeIP']
responseNodePort = int(request['responseNodePort'])
if (self.ip == responseNodeIP and self.port == responseNodePort
and 'requestID' not in request):
return response
try:
requestID = request['requestID']
except:
return None
conn = Remote(responseNodeIP, responseNodePort)
res = json.dumps({
'type': 'response',
'requestID': requestID,
'response': response
})
conn.send(res)
return None
def main():
print('Initialising...')
port = '/dev/tty.RN42-B597-SPP'
connected = False
while not connected:
try:
rem = Remote(port)
except RemoteConnectionError:
print('\x1b[31;1mConnection on port {} unsuccessful\x1b[0m'.format(port))
port = input('Please enter the right serial port: ')
print('attempting another connection...')
else:
connected = True
while True:
data = input('Input: ')
rem.send(data)
rem.send('0')
def main():
print('Initialising...')
port = '/dev/tty.RN42-B597-SPP'
connected = False
while not connected:
try:
rem = Remote(port)
except RemoteConnectionError:
print('\x1b[31;1mConnection on port {} unsuccessful\x1b[0m'.format(
port))
port = input('Please enter the right serial port: ')
print('attempting another connection...')
else:
connected = True
while True:
data = input('Input: ')
rem.send(data)
rem.send('0')
class RemoteGUI:
def __init__(self, master, debug=False):
# get the screen size so we can calculate the offset
screenwidth = master.winfo_screenwidth()
screenheight = master.winfo_screenheight()
# centre it (sort of)
xoffset = round(screenwidth / 2)
yoffset = round(screenheight / 3)
# set the root window size
master.geometry('{width}x{height}+{xoffset}+{yoffset}'.format(
width=200, height=100, xoffset=xoffset, yoffset=yoffset))
self._get_port(master)
def _connect(self, port):
try:
self.rem = Remote(port)
return True
except RemoteConnectionError:
return False
def _get_port(self, master):
def set_port():
port = entry.get()
if self._connect(port):
connect_frame.destroy()
self._draw_interface(master)
else:
messagebox.showerror('Connection error',
"Could not connect on '{}'".format(port))
connect_frame = tk.Frame(master)
connect_frame.pack()
message = tk.Message(connect_frame, width=100, text='Enter port')
message.pack()
entry = tk.Entry(connect_frame, takefocus=True)
entry.pack()
entry.insert(0, 'port')
connect_button = tk.Button(connect_frame,
text='connect',
command=set_port)
connect_button.pack()
def _draw_interface(self, master):
master.geometry('{width}x{height}'.format(width=200, height=150))
frame = tk.Frame(master)
frame.pack()
forward_button = tk.Button(frame,
text="forward",
command=self.go_forward)
forward_button.pack(side='top')
back_button = tk.Button(frame, text="back", command=self.go_back)
back_button.pack(side='bottom')
left_button = tk.Button(frame, text='left', command=self.go_left)
left_button.pack(side='left')
right_button = tk.Button(frame, text='right', command=self.go_right)
right_button.pack(side='right')
# bind keyboard keys to events
master.bind('<Up>', self.go_forward)
master.bind('w', self.go_forward)
master.bind('<Down>', self.go_back)
master.bind('s', self.go_back)
master.bind('<Left>', self.go_left)
master.bind('a', self.go_left)
master.bind('<Right>', self.go_right)
master.bind('d', self.go_right)
def terminate_command(f):
def wrapper(*args):
# when we use a keyboard key binding
# it also passes an Event object along
# so we want to ignore it without breaking things
self = args[0]
f(self)
self.rem.send('0')
return wrapper
@terminate_command
def go_forward(self):
self.rem.send('f')
@terminate_command
def go_back(self):
self.rem.send('b')
@terminate_command
def go_left(self):
self.rem.send('l')
@terminate_command
def go_right(self):
self.rem.send('r')
class RemoteGUI:
def __init__(self, master, debug=False):
# get the screen size so we can calculate the offset
screenwidth = master.winfo_screenwidth()
screenheight = master.winfo_screenheight()
# centre it (sort of)
xoffset = round(screenwidth / 2)
yoffset = round(screenheight / 3)
# set the root window size
master.geometry('{width}x{height}+{xoffset}+{yoffset}'.format(width=200,
height=100, xoffset=xoffset,
yoffset=yoffset))
self._get_port(master)
def _connect(self, port):
try:
self.rem = Remote(port)
return True
except RemoteConnectionError:
return False
def _get_port(self, master):
def set_port():
port = entry.get()
if self._connect(port):
connect_frame.destroy()
self._draw_interface(master)
else:
messagebox.showerror('Connection error',
"Could not connect on '{}'".format(port))
connect_frame = tk.Frame(master)
connect_frame.pack()
message = tk.Message(connect_frame, width=100, text='Enter port')
message.pack()
entry = tk.Entry(connect_frame, takefocus=True)
entry.pack()
entry.insert(0, 'port')
connect_button = tk.Button(connect_frame, text='connect', command=set_port)
connect_button.pack()
def _draw_interface(self, master):
master.geometry('{width}x{height}'.format(width=200, height=150))
frame = tk.Frame(master)
frame.pack()
forward_button = tk.Button(frame, text="forward", command=self.go_forward)
forward_button.pack(side='top')
back_button = tk.Button(frame, text="back", command=self.go_back)
back_button.pack(side='bottom')
left_button = tk.Button(frame, text='left', command=self.go_left)
left_button.pack(side='left')
right_button = tk.Button(frame, text='right', command=self.go_right)
right_button.pack(side='right')
# bind keyboard keys to events
master.bind('<Up>', self.go_forward)
master.bind('w', self.go_forward)
master.bind('<Down>', self.go_back)
master.bind('s', self.go_back)
master.bind('<Left>', self.go_left)
master.bind('a', self.go_left)
master.bind('<Right>', self.go_right)
master.bind('d', self.go_right)
def terminate_command(f):
def wrapper(*args):
# when we use a keyboard key binding
# it also passes an Event object along
# so we want to ignore it without breaking things
self = args[0]
f(self)
self.rem.send('0')
return wrapper
@terminate_command
def go_forward(self):
self.rem.send('f')
@terminate_command
def go_back(self):
self.rem.send('b')
@terminate_command
def go_left(self):
self.rem.send('l')
@terminate_command
def go_right(self):
self.rem.send('r')
