Froggy the Robot controller via Raspberry Pi

froggy.js

# Steve Baskauf 2018-02-23 Freely available under a GNU GPLv3 license. 

#libraries for GUI interface
import tkinter
from tkinter import *
from tkinter import ttk

from gpiozero import LED, Button
from time import sleep
led17 = LED(17) # right wheel direction, off=forward, on=backward
led27 = LED(27) # wheel power, off=off, on=on
led22 = LED(22) # left wheel direction, off=forward, on=backward
led23 = LED(23) # tongue power, off=off, on=on
led24 = LED(24) # tongue direction, off=out, on=in

root = Tk()

# this sets up the characteristics of the window
root.title("Froggy robot controller")
mainframe = ttk.Frame(root, padding="3 3 12 12")
mainframe.grid(column=0, row=0, sticky=(N, W, E, S))
mainframe.columnconfigure(0, weight=1)
mainframe.rowconfigure(0, weight=1)

def tongueOutButtonClick():
    tongueOut()
gitToBaseButton = ttk.Button(mainframe, text = "tongue out", width = 30, command = lambda: tongueOutButtonClick() )
gitToBaseButton.grid(column=4, row=8, sticky=W)

def tongueInButtonClick():
    tongueIn()
gitToBaseButton = ttk.Button(mainframe, text = "tongue in", width = 30, command = lambda: tongueInButtonClick() )
gitToBaseButton.grid(column=4, row=10, sticky=W)

def forwardButtonClick():
    forward()
baseToTripleButton = ttk.Button(mainframe, text = "forward", width = 30, command = lambda: forwardButtonClick() )
baseToTripleButton.grid(column=4, row=12, sticky=W)

def backwardButtonClick():
    backward()
moveFileButton = ttk.Button(mainframe, text = "backward", width = 30, command = lambda: backwardButtonClick() )
moveFileButton.grid(column=4, row=14, sticky=W)

def turnRightButtonClick():
    turnRight()
dropGraphButton = ttk.Button(mainframe, text = "turn right", width = 30, command = lambda: turnRightButtonClick() )
dropGraphButton.grid(column=4, row=16, sticky=W)

def turnLeftButtonClick():
    turnLeft()
dropGraphButton = ttk.Button(mainframe, text = "turn left", width = 30, command = lambda: turnLeftButtonClick() )
dropGraphButton.grid(column=4, row=18, sticky=W)

def on(pin):
    text = pin + ' on'
    led27.on()  ## Turn on GPIO pin
    print(text)

def off(pin):
    text = pin + ' off'
    led27.off() ## Turn off GPIO pin
    print(text)

def tongueOut():
    print("tongue out")
    led23.on()
    sleep(.6)
    led23.off()

def tongueIn():
    print("tongue in")
    led24.on()
    led23.on()
    sleep(.6)
    led23.off()
    led24.off()

def forward():
    print("forward")
    led27.on()
    sleep(1)
    led27.off()

def backward():
    print("backward")
    led17.on()
    led22.on()
    led27.on()
    sleep(1)
    led27.off()
    led22.off()
    led17.off()

def turnRight():
    print("turn right")
    led17.on()
    led27.on()
    sleep(1)
    led27.off()
    led17.off()

def turnLeft():
    print("turn left")
    led22.on()
    led27.on()
    sleep(1)
    led27.off()
    led22.off()

def main():	
    root.mainloop()
	
    if __name__=="__main__":
        main()