01 # SGui_rover.py - use PySimpleGUI/Web to control a Pi Rover Pi
02 #
03
04 import sys
05 # Pass any command line argument for Web use
06 if len(sys.argv) > 1: # if there is use the Web Interface
07     import PySimpleGUIWeb as sg
08     mode = "web"
09 else: # default uses the tkinter GUI
10     import PySimpleGUI as sg
11
12 import RPi.GPIO as gpio
13 gpio.setmode(gpio.BOARD)
14 # Define the motor pins to match your setup
15 motor1pin = 38 # left motor
16 motor2pin = 37 # right motor
17 gpio.setup(motor1pin, gpio.OUT)
18 gpio.setup(motor2pin, gpio.OUT)
19
20 # Send Action to Control Rover
21 def rover(action):
22 if action == "FORWARD":
23     gpio.output(motor1pin, gpio.HIGH)
24     gpio.output(motor2pin, gpio.HIGH)
25 if action == "LEFT":
26     gpio.output(motor1pin, gpio.HIGH)
27     gpio.output(motor2pin, gpio.LOW)
28 if action == "RIGHT":
29     gpio.output(motor1pin, gpio.LOW)
30     gpio.output(motor2pin, gpio.HIGH)
31 if action == "STOP":
32     gpio.output(motor1pin, gpio.LOW)
33     gpio.output(motor2pin, gpio.LOW)
34
35 # All the stuff inside your window.
36 myfont = "Ariel 32"
37 layout = [ [sg.Text(" ",size=(20,1) , key="feedback")],
38 [sg.Button("FORWARD", size=(32,3), font=myfont, button_color=('white','green'))],
39 [sg.Button("LEFT", size=(15,3), font=myfont),sg.Button("RIGHT", size=(15,3), font=myfont)],
40 [sg.Button("STOP", size=(32,3), font=myfont, button_color=('white','red'))],
41 [sg.Button("QUIT")]
42 ]
43 # Create the Window
44 if mode == "web":
45     window = sg.Window('PySimpleGUI Rover Control', layout,
46         web_ip='192.168.0.106', web_port = 8888, web_start_browser=False)
47 else:
48     window = sg.Window('PySimpleGUI Rover Control', layout )
49
50 # Event Loop to process "events" and pass them to the rover function
51 while True:
52     event, values = window.read()
53     print(event,values)
54     if event in (None, 'QUIT'): # if user closes window or clicks cancel
55         break
56     window['feedback'].Update(event) # show the button in the feedback text
57     rover(event)
58
59 window.close() # exit cleanly