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arduino教程系列24
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弘毅 于 2012-12-4 18:36 编辑 用无线手柄通过arduino控制电机或者舵机之类的，是不是感觉很遥远。。。光那底层的通信协议就吓跑了。。。 不用怕。。有开源社区贡献的arduino PS2X库，一切皆有可能。 先说明一下手柄的要求，此PS2X库，尽量是使用PS2原装手柄，或者与之外观一样的。无线手柄可以直接接arduino使用，有线手柄因为arduino的3.3V供电不足，需要单独供电。 市面上也有不少PS2手柄，但是长得和PS2原装手柄有区别，这种手柄可以在PS2主机上使用，不一定可以配合此库使用，笔者就遇到这个问题。。。。。买回来的罗技手柄虽然手感一流，但是@@部分按键反应不灵敏（PS2主机上完美）。这也是因为这个库是逆向破解PS2协议的原因，所以肯定有哪里不太完美。 先上硬件连接图，按照图示把线接好。
2011-11-8 11:22 上传 (93.03 KB)
2011-11-8 11:22 上传 (84.11 KB) 然后把论坛附件中的PS2X库解压缩后放入IDE的libraries文件夹中。把下面代码复制进IDE编译，下载到arduino板子上。此代码就是PS2X库的示例，详细库使用方法请查看库中的说明文件ARDUINO #include //for v1.6 PS2X ps2x; // create PS2 Controller Class //right now, the library does NOT support hot pluggable controllers, meaning //you must always either restart your Arduino after you conect 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); //CHANGES for v1.6 HERE!!! **************PAY ATTENTION************* error = ps2x.config_gamepad(13,11,10,12, true, true); //setup pins and settings: GamePad(clock, command, attention, data, Pressures?, Rumble?) check for error 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 [url]www.billporter.info[/url] for updates and to report bugs."); } else if(error == 1) Serial.println("No controller found, check wiring, see readme.txt to enable debug. visit [url]www.billporter.info[/url] for troubleshooting tips"); else if(error == 2) Serial.println("Controller found but not accepting commands. see readme.txt to enable debug. Visit [url]www.billporter.info[/url] for troubleshooting tips"); else if(error == 3) Serial.println("Controller refusing to enter Pressures mode, may not support it. "); //Serial.print(ps2x.Analog(1), HEX); 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) //skip loop if no controller found return; if(type == 2){ //Guitar Hero Controller 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); }然后打开串口监视器，看看实验效果吧。PS2手柄按键按下后，串口监视器就会传回是哪个按键，L1和R1按下后好像是读取几个口的模拟量~ |
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