如何使用Arduino开发板连接PS2无线控制器 |
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控制器在我们的生活中有着悠久的历史；从控制遥控车和四轮车到游戏控制器......，他们都使用无线或有线控制器。在本篇文章中，您将学习如何使用Arduino连接和使用PS2游戏机控制器。 PS2控制器的功能 每个人都知道索尼游戏机称为PlayStation。索尼游戏控制器有12个对压力敏感的模拟键（4个方向键、4个操作键、十字、三角、圆形和方形，L1、L2、R1和R2）和5个数字键（MODE，START，SELECT， R3，L3）和2个模拟操纵杆。 控制器内部有2个电机，由于它们的不平衡才会产生振动。
PS2_1.jpg (52.3 KB, 下载次数: 14) 下载附件 保存到相册 2019-8-19 21:45 上传 无线控制器工作频率为2.4GHz，射程为10米。它还有一个用于发送和接收数据的光学指示器。该控制器仅需3节AAA电池供电（在某些情况下，它只需要2节AAA电池）。 你可以使用PS2控制器： ● 控制轮式机器人和遥控车 ● 控制机器人手臂 ● 控制相机 ● 控制飞行机器人 ● .. PS2控制器引脚分布说明 PS2控制器接收器包括9个引脚：
ps2_controller-2.jpg (85.32 KB, 下载次数: 15) 下载附件 保存到相册 2019-8-19 21:47 上传 1. Data：主机线，用于向从站发送数据（MOSI） 2. Command：从机线，用于向主站发送数据（MISO） 3. Vibration：振动电机的电源; 7.2V至9V 4. Ground：电路接地 5. VCC：电源供电; 3.3伏 6. Attention：CS或芯片选择引脚用于调用从机并准备连接 7. Clock：相当于时钟的SCK引脚 8. No Connection：没用 9. Acknowledge：从控制器到PS2接收器的应答信号 连接PS2控制器和Arduino 为了使用PS2控制器，您需要将控制器的按键引入Arduino。然后根据您的项目为每个键选择适当的功能。 电路连接
Untitled-2.jpg (119.23 KB, 下载次数: 11) 下载附件 保存到相册 2019-8-19 21:51 上传 代码 在代码中，您需要PS2X库。将库添加到Arduino后，您可以打开PS2X库示例或复制以下代码并将其上载到您的主板上。您可以通过按不同的键在串行监视器窗口中查看结果。 #include #include 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; void setup(){ Serial.begin(57600); 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."); } 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. "); 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_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); } if(ps2x.Button(PSB_PAD_RIGHT)){ Serial.print("Right held this hard: "); Serial.println(ps2x.Analog(PSAB_PAD_RIGHT), DEC); } if(ps2x.Button(PSB_PAD_LEFT)){ Serial.print("LEFT held this hard: "); Serial.println(ps2x.Analog(PSAB_PAD_LEFT), DEC); } if(ps2x.Button(PSB_PAD_DOWN)){ Serial.print("DOWN held this hard: "); Serial.println(ps2x.Analog(PSAB_PAD_DOWN), DEC); } 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); }复制代码以下是该代码库中最实用的函数： ps2x.config_gamepad(clock, command, attention, data, Pressures? Rumble?);函数设置控制器引脚和对电机压力和振动的敏感性。 如果您希望键对压力不敏感，或者电机没有振动，请将“Pressures”和“Rumble”设置为“false”。 此函数返回错误值。 ready();函数确定检测到的控制器类型。 0表示未正确检测到控制器，1表示检测到DualShock控制器，2表示检测到GuitarHero控制器。 read_gamepad(boolean motor1, byte motor2);当确定电动机的振动状态时，该函数开始读取键的状态。 Button (but type);当按下函数参数中的特定键时，该函数返回1。
ps2_controller.jpg (108.57 KB, 下载次数: 11) 下载附件 保存到相册 2019-8-19 21:57 上传 Analog (but type);函数返回模拟键值，然后您可以相应地决定您的操作。 以上就是本篇文章的全部内容。接下来，您可以尝试通过按下方向键来控制遥控车，使其向不同的方向移动。 汽车的速度随着按键上的压力而变化。 按下方形键，汽车会发出蜂鸣声，按下十字键打开灯光。如果有任何问题，请随时在本帖下面进行回复。 |
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