Pi Rover client, http://goo.gl/tRcYrB

client.py

#!/usr/bin/env python

import Tkinter as tk
from Tkinter import Button
from Tkinter import Scale
import json
import ast

import requests

'''Pi Rover client script
http://goo.gl/tRcYrB'''

__author__ = 'helfrich'


STOP = 0
FORWARD = 1
BACKWARD = 2
FORWARD_LEFT = 3
FORWARD_RIGHT = 4
BACKWARD_LEFT = 5
BACKWARD_RIGHT = 6
ROTATE_LEFT = 7
ROTATE_RIGHT = 8
SPEED_LEFT = 9
SPEED_RIGHT = 10


class CommandData:

    def __init__(self):
        pass

    command = ""
    data = ""


class RoverStatus:

    def __init__(self):
        pass

    speed = 90
    movement = STOP

command_data = CommandData()
rover_status = RoverStatus()


def send():
    rover_status.movement = int(command_data.command)
    payload = (ast.literal_eval(json.dumps(command_data.__dict__)))
    print(payload)
    r = requests.post("http://192.168.2.12/send.php", data=payload)
    print(r.text)


def stop():
    command_data.command = str(STOP)
    command_data.data = rover_status.speed
    send()


def forward():
    command_data.command = str(FORWARD)
    command_data.data = rover_status.speed
    send()


def backward():
    command_data.command = str(BACKWARD)
    command_data.data = rover_status.speed
    send()


def forward_left():
    command_data.command = FORWARD_LEFT
    command_data.data = rover_status.speed
    send()


def forward_right():
    command_data.command = FORWARD_RIGHT
    command_data.data = rover_status.speed
    send()


def backward_left():
    command_data.command = BACKWARD_LEFT
    command_data.data = rover_status.speed
    send()


def backward_right():
    command_data.command = BACKWARD_RIGHT
    command_data.data = rover_status.speed
    send()


def rotate_left():
    command_data.command = ROTATE_LEFT
    command_data.data = rover_status.speed
    send()


def rotate_right():
    command_data.command = ROTATE_RIGHT
    command_data.data = rover_status.speed
    send()


def speed_changed(speed):
    rover_status.speed = speed
    command_data.command = str(rover_status.movement)
    command_data.data = rover_status.speed
    send()

root = tk.Tk()
root.title("Pi Rover")

btnForward = Button(root, text="Forward", command=forward)
btnForward.grid(row=0, column=1, padx=10, pady=10)
btnForward.config(width=10)
# btnForward.pack()

btnStop = Button(root, text="Stop", command=stop)
btnStop.grid(row=1, column=1, padx=10, pady=10)
btnStop.config(width=10)
# btnStop.pack()

btnBack = Button(root, text="Back", command=backward)
btnBack.grid(row=2, column=1, padx=10, pady=10)
btnBack.config(width=10)

btnFwdLeft = Button(root, text="Fwd Left", command=forward_left)
btnFwdLeft.grid(row=0, column=0, padx=10, pady=10)
btnFwdLeft.config(width=10)

btnFwdRight = Button(root, text="Fwd Right", command=forward_right)
btnFwdRight.grid(row=0, column=2, padx=10, pady=10)
btnFwdRight.config(width=10)

btnBckLeft = Button(root, text="Bck Left", command=backward_left)
btnBckLeft.grid(row=2, column=0, padx=10, pady=10)
btnBckLeft.config(width=10)

btnBckRight = Button(root, text="Bck Right", command=backward_right)
btnBckRight.grid(row=2, column=2, padx=10, pady=10)
btnBckRight.config(width=10)

btnRotLeft = Button(root, text="Rot Left", command=rotate_left)
btnRotLeft.grid(row=1, column=0, padx=10, pady=10)
btnRotLeft.config(width=10)

btnRotRight = Button(root, text="Rot Right", command=rotate_right)
btnRotRight.grid(row=1, column=2, padx=10, pady=10)
btnRotRight.config(width=10)

scSpeed = Scale(root, from_=80, to=100, orient=tk.HORIZONTAL, command=speed_changed)
scSpeed.grid(row=3, column=0, columnspan=3, sticky=tk.W + tk.E + tk.N + tk.S, padx=10, pady=10)

root.grid_columnconfigure(1, weight=1)

root.mainloop()