PCB Gyro Gaming Wheel

1/*** PCB Steer Gaming Wheel ***
2 *  
3 *  Author: Ashraf Minhaj
4  *  Mail: ashraf_minhaj@yahoo.com
5 *  
6 *  Licence: Copyright (C) Ashraf Minhaj
7  *  GNU General Public License v3.0
8 */
9
10
11#include <Keyboard.h>
12#include<Wire.h>
13
14//  Threshold value for steering
15int THRESHOLD = 4000;
16
17// Controller buttons
18int  brake = 5;
19int nitro = 6;
20int pedal = 4;
21
22// Indicator LEDs
23int left_led  = 8;
24int right_led = 9;
25
26int x;
27int y;
28int z;
29 
30const int MPU_addr=0x68;  // I2C address of the MPU-6050
31
32void indicator_blink()
33{
34  // blinks  the leds - 5 times
35  int i = 0;
36  
37  for(i=0; i<5; i++){
38    digitalWrite(left_led,  HIGH);
39    digitalWrite(right_led, HIGH);
40    delay(100);
41    digitalWrite(left_led,  LOW);
42    digitalWrite(right_led, LOW);
43    delay(100);
44  }
45}
46
47void  setup(){
48  // set pin mode and initialize things
49  pinMode(brake, INPUT);
50  pinMode(nitro, INPUT);
51  pinMode(pedal, INPUT);
52
53  pinMode(left_led,  OUTPUT);
54  pinMode(right_led, OUTPUT);
55  
56  Serial.begin(9600); 
57 
58  Wire.begin();
59  Wire.beginTransmission(MPU_addr);
60  Wire.write(0x6B);  //  PWR_MGMT_1 register
61  Wire.write(0);     // set to zero (wakes up the MPU-6050)
62  Wire.endTransmission(true);
63
64  indicator_blink();
65}
66
67void loop()
68{  // Main loop that runs forever
69  
70  Wire.beginTransmission(MPU_addr);
71  Wire.write(0x3B);  // starting with register 0x3B (ACCEL_XOUT_H)
72  Wire.endTransmission(false);
73  Wire.requestFrom(MPU_addr, 14, true);  // request a total of 14 registers
74  
75  x = Wire.read()<<8|Wire.read();  // 0x3B (ACCEL_XOUT_H) & 0x3C (ACCEL_XOUT_L)    
76  y = Wire.read()<<8|Wire.read();  // 0x3D (ACCEL_YOUT_H) & 0x3E (ACCEL_YOUT_L)
77  z = Wire.read()<<8|Wire.read();  // 0x3F (ACCEL_ZOUT_H) & 0x40 (ACCEL_ZOUT_L)
78
79
80  if (digitalRead(brake)){
81    Keyboard.release(KEY_UP_ARROW);
82    Keyboard.press(KEY_DOWN_ARROW);
83    //Keyboard.press(217);
84  }
85  
86  if (digitalRead(nitro)){
87    delay(10);
88    Keyboard.press('z');
89    if (digitalRead(nitro)){
90      Keyboard.press('A');
91    }
92  }
93    
94  else if (digitalRead(pedal)){
95    Keyboard.release(KEY_DOWN_ARROW);
96    Keyboard.press(KEY_UP_ARROW);
97    //Keyboard.press(218);
98  
99    if(y  < -THRESHOLD){     
100          Serial.print("    Left    ");
101          Keyboard.release(KEY_RIGHT_ARROW);
102          Keyboard.press(KEY_LEFT_ARROW);
103          digitalWrite(left_led, HIGH);
104      }
105  
106    else if(y > THRESHOLD){     
107          Serial.print("    Right    ");
108          Keyboard.release(KEY_LEFT_ARROW);
109          Keyboard.press(KEY_RIGHT_ARROW);
110          digitalWrite(right_led, HIGH);
111      //Keyboard.press(37);
112      }
113     else{
114          Keyboard.releaseAll();
115     }
116   }
117   
118  //Serial.println(y);
119  delay(10);
120    digitalWrite(left_led, LOW);
121    digitalWrite(right_led,  LOW);
122}

1/*** PCB Steer Gaming Wheel ***
2 *  
3 *  Author: Ashraf Minhaj
4   *  Mail: ashraf_minhaj@yahoo.com
5 *  
6 *  Licence: Copyright (C) Ashraf Minhaj
7   *  GNU General Public License v3.0
8 */
9
10
11#include <Keyboard.h>
12#include<Wire.h>
13
14//   Threshold value for steering
15int THRESHOLD = 4000;
16
17// Controller buttons
18int   brake = 5;
19int nitro = 6;
20int pedal = 4;
21
22// Indicator LEDs
23int left_led   = 8;
24int right_led = 9;
25
26int x;
27int y;
28int z;
29 
30const int MPU_addr=0x68;   // I2C address of the MPU-6050
31
32void indicator_blink()
33{
34  // blinks   the leds - 5 times
35  int i = 0;
36  
37  for(i=0; i<5; i++){
38    digitalWrite(left_led,   HIGH);
39    digitalWrite(right_led, HIGH);
40    delay(100);
41    digitalWrite(left_led,   LOW);
42    digitalWrite(right_led, LOW);
43    delay(100);
44  }
45}
46
47void   setup(){
48  // set pin mode and initialize things
49  pinMode(brake, INPUT);
50   pinMode(nitro, INPUT);
51  pinMode(pedal, INPUT);
52
53  pinMode(left_led,   OUTPUT);
54  pinMode(right_led, OUTPUT);
55  
56  Serial.begin(9600); 
57 
58   Wire.begin();
59  Wire.beginTransmission(MPU_addr);
60  Wire.write(0x6B);  //   PWR_MGMT_1 register
61  Wire.write(0);     // set to zero (wakes up the MPU-6050)
62   Wire.endTransmission(true);
63
64  indicator_blink();
65}
66
67void loop()
68{   // Main loop that runs forever
69  
70  Wire.beginTransmission(MPU_addr);
71   Wire.write(0x3B);  // starting with register 0x3B (ACCEL_XOUT_H)
72  Wire.endTransmission(false);
73   Wire.requestFrom(MPU_addr, 14, true);  // request a total of 14 registers
74   
75  x = Wire.read()<<8|Wire.read();  // 0x3B (ACCEL_XOUT_H) & 0x3C (ACCEL_XOUT_L)     
76  y = Wire.read()<<8|Wire.read();  // 0x3D (ACCEL_YOUT_H) & 0x3E (ACCEL_YOUT_L)
77   z = Wire.read()<<8|Wire.read();  // 0x3F (ACCEL_ZOUT_H) & 0x40 (ACCEL_ZOUT_L)
78
79
80   if (digitalRead(brake)){
81    Keyboard.release(KEY_UP_ARROW);
82    Keyboard.press(KEY_DOWN_ARROW);
83     //Keyboard.press(217);
84  }
85  
86  if (digitalRead(nitro)){
87    delay(10);
88     Keyboard.press('z');
89    if (digitalRead(nitro)){
90      Keyboard.press('A');
91     }
92  }
93    
94  else if (digitalRead(pedal)){
95    Keyboard.release(KEY_DOWN_ARROW);
96     Keyboard.press(KEY_UP_ARROW);
97    //Keyboard.press(218);
98  
99    if(y   < -THRESHOLD){     
100          Serial.print("    Left    ");
101          Keyboard.release(KEY_RIGHT_ARROW);
102           Keyboard.press(KEY_LEFT_ARROW);
103          digitalWrite(left_led, HIGH);
104       }
105  
106    else if(y > THRESHOLD){     
107          Serial.print("    Right     ");
108          Keyboard.release(KEY_LEFT_ARROW);
109          Keyboard.press(KEY_RIGHT_ARROW);
110           digitalWrite(right_led, HIGH);
111      //Keyboard.press(37);
112      }
113      else{
114          Keyboard.releaseAll();
115     }
116   }
117   
118  //Serial.println(y);
119   delay(10);
120    digitalWrite(left_led, LOW);
121    digitalWrite(right_led,   LOW);
122}