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李宛蔓

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[问答]

arduino与ps2手柄是怎样控制智能小车的

arduino与ps2手柄是怎样进行连接的?

arduino与ps2手柄是怎样控制智能小车的?

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袁媛

2021-10-18 16:13:06
  本篇主要任务:
  接电机
  可控制调整电机旋转方向
  解决初始化时处理问题(每次启动时可获取的)
  任务一:接电机
  电机控制芯片:L298N(淘宝购)
  电机供电:9V电池(淘宝购电池盒)
  电机焊接电线定义如下
  注:电机正负不知道怎么测,所以正负极先统一这么接根据控制调整接入L298N的OUT口就可以改变电机转动方向。
  接线完成图
  注:PS2无线手柄接收器同时还有一个带插针的,之前的那个准备
  任务二+任务三(做)
  附上代码:
  #include 《PS2X_lib.h》
  PS2X ps2x;
  //right now, the library does NOT support hot-pluggable controllers, meaning
  //you must always either restart your Arduino after you connect the controller,
  //or call config_gamepad(pins) again after connecting the controller.
  int error = 0;
  byte type = 0;
  byte vibrate = 0;
  int count = 10;
  // 电机控制引脚;
  #define IN1 4
  #define IN2 5
  #define IN3 6
  #define IN4 7
  void setup(){
  //初始化针脚
  pinMode(IN1, OUTPUT);
  pinMode(IN2, OUTPUT);
  pinMode(IN3, OUTPUT);
  pinMode(IN4, OUTPUT);
  Serial.begin(57600);
  while(count 》 0){
  count--;
  error = ps2x.config_gamepad(13,11,10,12, true, true); //GamePad(clock, command, attention, data, Pressures?, Rumble?)
  if(error == 0){
  Serial.println(“Found Controller, configured successful”);
  Serial.println(“Try out all the buttons, X will vibrate the controller, faster as you press harder;”);
  Serial.println(“holding L1 or R1 will print out the analog stick values.”);
  Serial.println(“Go to www.billporter.info for updates and to report bugs.”);
  break;
  }
  else if(error == 1)
  Serial.println(“No controller found, check wiring, see readme.txt to enable debug. visit www.billporter.info for troubleshooting tips”);
  else if(error == 2)
  Serial.println(“Controller found but not accepting commands. see readme.txt to enable debug. Visit www.billporter.info for troubleshooting tips”);
  else if(error == 3)
  Serial.println(“Controller refusing to enter Pressures mode, may not support it. ”);
  delay(100);
  }
  type = ps2x.readType();
  switch(type) {
  case 0:
  Serial.println(“Unknown Controller type”);
  break;
  case 1:
  Serial.println(“DualShock Controller Found”);
  break;
  case 2:
  Serial.println(“GuitarHero Controller Found”);
  break;
  }
  }
  void loop(){
  /* You must Read Gamepad to get new values
  Read GamePad and set vibration values
  ps2x.read_gamepad(small motor on/off, larger motor strenght from 0-255)
  if you don‘t enable the rumble, use ps2x.read_gamepad(); with no values
  you should call this at least once a second
  */
  if(error == 1)
  return;
  if(type == 2){
  ps2x.read_gamepad(); //read controller
  if(ps2x.ButtonPressed(GREEN_FRET))
  Serial.println(“Green Fret Pressed”);
  if(ps2x.ButtonPressed(RED_FRET))
  Serial.println(“Red Fret Pressed”);
  if(ps2x.ButtonPressed(YELLOW_FRET))
  Serial.println(“Yellow Fret Pressed”);
  if(ps2x.ButtonPressed(BLUE_FRET))
  Serial.println(“Blue Fret Pressed”);
  if(ps2x.ButtonPressed(ORANGE_FRET))
  Serial.println(“Orange Fret Pressed”);
  if(ps2x.ButtonPressed(STAR_POWER))
  Serial.println(“Star Power Command”);
  if(ps2x.Button(UP_STRUM)) //will be TRUE as long as button is pressed
  Serial.println(“Up Strum”);
  if(ps2x.Button(DOWN_STRUM))
  Serial.println(“DOWN Strum”);
  if(ps2x.Button(PSB_START)) //will be TRUE as long as button is pressed
  Serial.println(“Start is being held”);
  if(ps2x.Button(PSB_SELECT))
  Serial.println(“Select is being held”);
  if(ps2x.Button(ORANGE_FRET)) // print stick value IF TRUE
  {
  Serial.print(“Wammy Bar Position:”);
  Serial.println(ps2x.Analog(WHAMMY_BAR), DEC);
  }
  }
  else { //DualShock Controller
  ps2x.read_gamepad(false, vibrate); //read controller and set large motor to spin at ’vibrate‘ speed
  if(ps2x.Button(PSB_START)) //will be TRUE as long as button is pressed
  Serial.println(“Start is being held”);
  if(ps2x.Button(PSB_SELECT))
  Serial.println(“Select is being held”);
  if (ps2x.Button(PSB_START)){ //will be TRUE as long as button is pressed
  Serial.println(“Start is being held”);
  }
  else if (ps2x.Button(PSB_SELECT)){
  Serial.println(“Select is being held”);
  }
  else if(ps2x.Button(PSB_PAD_UP)) { //will be TRUE as long as button is pressed
  Serial.print(“Up held this hard: ”);
  Serial.println(ps2x.Analog(PSAB_PAD_UP), DEC);
  //电机控制
  Serial.print(“---------前进 ”);
  digitalWrite(IN1, LOW);
  digitalWrite(IN2, HIGH);
  digitalWrite(IN3, HIGH);
  digitalWrite(IN4, LOW);
  }
  else if(ps2x.Button(PSB_PAD_RIGHT)){
  Serial.print(“Right held this hard: ”);
  Serial.println(ps2x.Analog(PSAB_PAD_RIGHT), DEC);
  Serial.print(“---------右转 ”);
  digitalWrite(IN1, LOW);
  digitalWrite(IN2, HIGH);
  digitalWrite(IN3, LOW);
  digitalWrite(IN4, HIGH);
  }
  else if(ps2x.Button(PSB_PAD_LEFT)){
  Serial.print(“LEFT held this hard: ”);
  Serial.println(ps2x.Analog(PSAB_PAD_LEFT), DEC);
  Serial.print(“---------左转 ”);
  digitalWrite(IN1, HIGH);
  digitalWrite(IN2, LOW);
  digitalWrite(IN3, HIGH);
  digitalWrite(IN4, LOW);
  }
  else if(ps2x.Button(PSB_PAD_DOWN)){
  Serial.print(“DOWN held this hard: ”);
  Serial.println(ps2x.Analog(PSAB_PAD_DOWN), DEC);
  Serial.print(“---------后退 ”);
  digitalWrite(IN1, HIGH);
  digitalWrite(IN2, LOW);
  digitalWrite(IN3, LOW);
  digitalWrite(IN4, HIGH);
  }
  else if(ps2x.Button(PSB_SELECT)){ // SELECT
  digitalWrite(IN1, LOW); //停
  digitalWrite(IN2, LOW);
  digitalWrite(IN3, LOW);
  digitalWrite(IN4, LOW);
  }else{ // 没有任何操作,停止电机转动
  digitalWrite(IN1, LOW); //停
  digitalWrite(IN2, LOW);
  digitalWrite(IN3, LOW);
  digitalWrite(IN4, LOW);
  }
  vibrate = ps2x.Analog(PSAB_BLUE); //this will set the large motor vibrate speed based on
  //how hard you press the blue (X) button
  if (ps2x.NewButtonState()) //will be TRUE if any button changes state (on to off, or off to on)
  {
  if(ps2x.Button(PSB_L3))
  Serial.println(“L3 pressed”);
  if(ps2x.Button(PSB_R3))
  Serial.println(“R3 pressed”);
  if(ps2x.Button(PSB_L2))
  Serial.println(“L2 pressed”);
  if(ps2x.Button(PSB_R2))
  Serial.println(“R2 pressed”);
  if(ps2x.Button(PSB_GREEN))
  Serial.println(“Triangle pressed”);
  }
  if(ps2x.ButtonPressed(PSB_RED)) //will be TRUE if button was JUST pressed
  Serial.println(“Circle just pressed”);
  if(ps2x.ButtonReleased(PSB_PINK)) //will be TRUE if button was JUST released
  Serial.println(“Square just released”);
  if(ps2x.NewButtonState(PSB_BLUE)) //will be TRUE if button was JUST pressed OR released
  Serial.println(“X just changed”);
  if(ps2x.Button(PSB_L1) || ps2x.Button(PSB_R1)) // print stick values if either is TRUE
  {
  Serial.print(“Stick Values:”);
  Serial.print(ps2x.Analog(PSS_LY), DEC); //Left stick, Y axis. Other options: LX, RY, RX
  Serial.print(“,”);
  Serial.print(ps2x.Analog(PSS_LX), DEC);
  Serial.print(“,”);
  Serial.print(ps2x.Analog(PSS_RY), DEC);
  Serial.print(“,”);
  Serial.println(ps2x.Analog(PSS_RX), DEC);
  }
  }
  delay(50);
  }
  因为不是每次启动初始化的时候都可以检测到手柄,所以加了一次设置,10次,尝试10次,就找不到了手动重启!**** 手动重启!**** 手动重启!。作者尝试了自己无法完成的问题。计数值。查找手柄程序会跳出查找手柄操作的,继续执行停止的代码。
  注。调整电机控制:按本文中的接线方式应该不需要调整。如果是乱走的话,则需要轮子的方向调整电机与298N的接线。
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