Controlling Game with arduino UNO!! with python

1const int JoyStick_pin = 8; //plug Joystick 'Button' into pin 8
2const   int X_pin = A0;       //plug joystick X direction into pin A0
3const int Y_pin   = A1;       //plug joystick Y direction into pin A1
4int xc;
5int yc;
6int   JSButton;
7
8void setup() {
9  for (int i = 0; i < 2; i++) {
10    pinMode(JoyStick_pin,   INPUT);
11  }
12  
13  Serial.begin(115200);
14  Serial.print(X_pin);
15  Serial.println(Y_pin);
16}
17
18void   loop() {
19  int x = analogRead(X_pin) - 521;  //read x direction value and -517   to bring back to around 0
20  int y = analogRead(Y_pin) - 528;  //read y direction   value and -512 to bring back to around 0
21
22  if (x <-10) {         //joystick   has off set of +/-8 so this negates that
23    xc = 0;             //turn analogue   value into integer. 0, 1 or 2 depending on state
24  } else if (x >10) {   
25     xc = 2;
26  } else {
27    xc = 1;
28  }
29
30  if (y < -10) {
31    yc   = 0;
32  } else if (y >10) {
33    yc = 2;
34  } else {
35    yc = 1;
36  }
37
38   int buttonStates = analogRead(A5);   //set starting value of Joystick button
39   if (buttonStates > 0) {
40    buttonStates = 1;  
41  } else {
42    buttonStates   = analogRead(A5);  
43  }
44  Serial.print("S");  //start printing the data,   format is Sxc,yc,buttonStates > S1,1,0
45  Serial.print(xc);
46  Serial.print(",");
47   Serial.print(yc);
48  Serial.print(",");
49  Serial.println((buttonStates));
50
51   delay(40);
52
53}

1import serial           # import using pip
2import pydirectinput
3
4arduino  = serial.Serial('COM3', 115200, timeout=.1)     #serial input from arduino. change  COM port to wherever your arduino is connected
5
6pydirectinput.PAUSE = 0
7
8keysDown  = {}   #list of currently pressed keys
9
10
11def keyDown(key):               #what  to do if key pressed. takes value from handleJoyStickAsArrowKeys
12    keysDown[key]  = True        #adds key to KeysDown list
13    pydirectinput.keyDown(key)  #runs  pydirectinput using key from (argument)
14    #print('Down: ', key)       #remove  '#' from print to test data stream
15
16
17def keyUp(key):                     #what  to do if key released. takes value from handleJoyStickAsArrowKeys
18    if key  in keysDown:
19        del (keysDown[key])         #remove key from KeysDown
20        pydirectinput.keyUp(key)    #runs pydirectinput using key from (argument)
21        #print('Up: ', key)         #remove '#' from print to test data stream
22
23
24def  handleJoyStickAsArrowKeys(x, y, z):      #note that the x and y directions are swapped  due to the way I orient my thumbstick
25    if x == 0:          #0 is up on joystick
26        keyDown('down')   #add up key to keyDown (argument)
27        keyUp('up')   #add down key to keyUp (argument), as you can't press up and down together
28    elif x == 2:        #2 is down on joystick
29        keyDown('up')
30        keyUp('down')
31    else:               #1 is neutral on joystick
32        keyUp('up')
33        keyUp('down')
34
35    if y == 2:          #2 is right on joystick
36        keyDown('right')
37        keyUp('left')
38    elif y == 0:        #0 is left on joystick
39        keyDown('left')
40        keyUp('right')
41    else:               #1 is neutral on joystick
42        keyUp('left')
43        keyUp('right')
44
45    if z == 1:          #z  argument is JSButton in this case. 1 is button pressed
46        keyDown('space')    #key to be pressed with Joystick button. Change to any key
47    else:
48        keyUp('space')      #0 is button not pressed
49
50
51while True:
52    rawdata = arduino.readline()            #read serial data from arduino one line  at a time
53    data = str(rawdata.decode('utf-8'))     #decode the raw byte data  into UTF-8
54    if data.startswith("S"):                #make sure the read  starts in the correct place
55        dx = int(data[1])                   #X direction  is second digit in data (data[0] is 'S')
56        dy = int(data[3])                   #Y  direction is fourth digit in data
57        JSButton = int(data[5])             #JSButton  is sixth digit in data
58        #print(dx, dy, JSButton)            #remove '#'  from print to test data stream
59        handleJoyStickAsArrowKeys(dx, dy, JSButton)     #run body of code using dx, dy and JSButton as inputs
60

1const int JoyStick_pin = 8; //plug Joystick 'Button' into pin 8
2const  int X_pin = A0;       //plug joystick X direction into pin A0
3const int Y_pin  = A1;       //plug joystick Y direction into pin A1
4int xc;
5int yc;
6int  JSButton;
7
8void setup() {
9  for (int i = 0; i < 2; i++) {
10    pinMode(JoyStick_pin,  INPUT);
11  }
12  
13  Serial.begin(115200);
14  Serial.print(X_pin);
15  Serial.println(Y_pin);
16}
17
18void  loop() {
19  int x = analogRead(X_pin) - 521;  //read x direction value and -517  to bring back to around 0
20  int y = analogRead(Y_pin) - 528;  //read y direction  value and -512 to bring back to around 0
21
22  if (x <-10) {         //joystick  has off set of +/-8 so this negates that
23    xc = 0;             //turn analogue  value into integer. 0, 1 or 2 depending on state
24  } else if (x >10) {   
25    xc = 2;
26  } else {
27    xc = 1;
28  }
29
30  if (y < -10) {
31    yc  = 0;
32  } else if (y >10) {
33    yc = 2;
34  } else {
35    yc = 1;
36  }
37
38  int buttonStates = analogRead(A5);   //set starting value of Joystick button
39  if (buttonStates > 0) {
40    buttonStates = 1;  
41  } else {
42    buttonStates  = analogRead(A5);  
43  }
44  Serial.print("S");  //start printing the data,  format is Sxc,yc,buttonStates > S1,1,0
45  Serial.print(xc);
46  Serial.print(",");
47  Serial.print(yc);
48  Serial.print(",");
49  Serial.println((buttonStates));
50
51  delay(40);
52
53}