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anothergtest.py
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anothergtest.py
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# coding=UTF-8
import time
import serial
from serial.tools.list_ports import comports
from gevent import monkey, spawn, sleep, kill
monkey.patch_all()
import urllib2
import Tkinter as tk
import struct
import json
from gevent import pywsgi
from geventwebsocket.handler import WebSocketHandler
from geventwebsocket import WebSocketServer, WebSocketApplication, Resource
run_forever = True
serialConnected = False
serialContacted = False
ser = None
s = None
global_websocket = None
isWebsocketConnected = False
# keep track of gevents
serialReaderGreenlet = None
websocketGreenlet = None
appConfig = {
"title" : "Capacita by DIYAbility"
}
controllerMap = {
"*": "*",
"cross": "X",
"circle": "O",
"triangle": "T",
"square": "S",
"dpad_up": "U",
"dpad_left": "F",
"dpad_right": "G",
"dpad_down": "D",
"l1":"[",
"l2":"{",
"l3":"<",
"r1":"]",
"r2":"}",
"r3":">",
"select": "Z",
"start": "Y",
"ps": "P",
"left_joy_x": "L",
"left_joy_y": "l",
"right_joy_x": "R",
"right_joy_y": "r"
}
class App(object):
def __init__(self, root):
self.frame = tk.Frame(root)
root.title(appConfig.get('title'))
# self.text = tk.Text(self.frame)
# self.text.pack()
# self.entry = tk.Entry(self.frame)
# self.entry.insert(tk.END, "http://ipv4.google.com")
# self.entry.pack()
self.serialPortOptionsValues = []
for port, desc, hwid in sorted(comports()):
self.serialPortOptionsValues.append(port)
self.serialPortSelectionVar = tk.StringVar(root)
# get default port
# config_data = get_config_file()
# if config_data.get('port') in self.serialPortOptionsValues:
# self.serialPortSelectionVar.set(config_data.get('port'))
# else:
self.serialPortSelectionVar.set(self.serialPortOptionsValues[0]) # default value
self.serialPortOptionMenu = apply(tk.OptionMenu, (root, self.serialPortSelectionVar) + tuple(self.serialPortOptionsValues))
self.serialPortOptionMenu.pack()
def connectSelectedSerial():
global serialConnected, ser, s
# serial port setup
# print self.serialPortSelectionVar.get()
if ( not serialConnected):
ser = serial.Serial(self.serialPortSelectionVar.get())
serialConnected = True
if isWebsocketConnected:
global_websocket.send("hello from new serial connection")
self.serial_connect_string.set('Disconnect')
write_config_file(**{'port':self.serialPortSelectionVar.get()})
ser.setDTR(False)
ser.baudrate = 115200
ser.timeout = 0
time.sleep(0.1)
s = SerialPort(ser)
s.start()
serialReaderGreenlet = spawn(read_incoming_serial)
else:
if ser.isOpen():
ser.close()
serialConnected = False
serialContacted = False
self.serial_connect_string.set('Connect')
self.serial_connect_string = tk.StringVar()
self.serial_connect_string.set('Connect!')
self.serial_connect_button = tk.Button(self.frame, textvariable=self.serial_connect_string, command=connectSelectedSerial)
self.serial_connect_button.pack()
def testWebsocketSend():
global isWebsocketConnected, global_websocket
if isWebsocketConnected:
tmpSerialData = {
'type':'serial',
'state':'on',
'data':'S1'
}
global_websocket.send(json.dumps(tmpSerialData))
time.sleep(.3)
tmpSerialData = {
'type':'serial',
'state':'off',
'data':'S1'
}
global_websocket.send(json.dumps(tmpSerialData))
print "test button pressed"
self.test_button = tk.Button(self.frame, text='socket test', command=testWebsocketSend)
self.test_button.pack()
def testConfigSet():
currConfig = get_config_file()
print currConfig
print "******* current config ********"
self.test_config_set = tk.Button(self.frame, text='config set', command=testConfigSet)
self.test_config_set.pack()
def quit():
global serialConnected
if serialConnected:
ser.close()
global run_forever
run_forever = False
self.quit_string = tk.StringVar()
self.quit_string.set('Quit')
self.quit_button = tk.Button(self.frame, textvariable=self.quit_string, command=quit)
self.quit_button.pack()
self.frame.pack()
def read_incoming_serial():
global serialContacted
global serialConnected
global isWebsocketConnected, global_websocket
while True and serialConnected:
buffer = ''
buffer = ser.read(ser.inWaiting())
# initial handshake
# if not serialContacted:
# ser.write('A\n')
# ser.write('\n')
# serialContacted = True
if buffer and buffer is not '':
print buffer + " !!!!!!"
if isWebsocketConnected:
tmpSerialData = {
'type':'serial',
'data':buffer
}
global_websocket.send(json.stringify(tmpSerialData))
sleep(0.01)
class RelayApplication(WebSocketApplication):
isOn = False
def on_open(self):
global isWebsocketConnected, global_websocket
global_websocket = self.ws
isWebsocketConnected = True
print "Connection opened"
global_websocket.send("websocket connected")
def on_message(self, message):
print message
incomingData = json.loads(message)
s.writer(incomingData)
def on_close(self, reason):
global isWebsocketConnected
print reason
print 'DISCONNECT!!!!'
isWebsocketConnected = False
def start_websocket():
WebSocketServer(
('localhost', 9001),
Resource({'/controller': RelayApplication})
).serve_forever()
websocketGreenlet = spawn(start_websocket)
class SerialPort():
ports = []
def __init__(self, serial_instance):
self.serial = serial_instance
self.ports.append(self)
def close(self):
self.serial.close()
def start(self):
print 'starting'
# self.thread_read = threading.Thread(target=self.reader)
# self.thread_read.start()
def reader(self):
while True:
buffer = ''
buffer = ser.read(ser.inWaiting())
if buffer and buffer is not empty:
print buffer + " !!!"
# for conn in WSHandler.connections:
# conn.write_message(buffer)
# time.sleep(0.01)
def writer(self, data):
if (data['value'] != "*"): # and isinstance( valueToSend, ( int, long ) )):
valueToSendPrepared = struct.pack('!{0}B'.format(1), int(data['value']))
else:
valueToSendPrepared = data['value'].encode('ascii','ignore')
cmdReceived = data['cmd'].encode('ascii','ignore')
if cmdReceived in controllerMap:
cmdToSend = controllerMap[cmdReceived]
else:
cmdToSend = cmdReceived
self.serial.write(cmdToSend)
self.serial.write(valueToSendPrepared)
# self.serial.flush()
def get_config_file():
# config_file_obj = open("config.json","r")
# config_data = json.loads(config_file_obj.read())
# config_file_obj.close()
return False
def write_config_file(**kwargs):
# write_config_obj = open("config.json","w")
# tmpConfig = {
# 'port' : kwargs.get('port')
# }
# write_config_obj.write(json.dumps(tmpConfig))
# write_config_obj.close()
return {}
def position_window(w=300, h=200):
# get screen width and height
ws = root.winfo_screenwidth()
hs = root.winfo_screenheight()
x = 100 #(ws/2) - (w/2) # to center
y = 100 #(hs/2) - (h/2)
root.geometry('%dx%d+%d+%d' % (w, h, x, y))
if __name__ == '__main__':
root = tk.Tk()
position_window(300, 300)
app = App(root)
for port, desc, hwid in sorted(comports()):
print('%s' % (port))
while run_forever:
root.update()
sleep(0.01)