for esp32

(basic) from the example

first include the lib

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#include <PS2X_lib.h>

define the pin

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#define PS2_DAT        19  //MISO  19
#define PS2_CMD        23  //MOSI  23
#define PS2_SEL         5  //SS     5
#define PS2_CLK        18  //SLK   18

mode select

  • select modes of PS2 controller:
    • pressures = analog reading of push-butttons
    • rumble = motor rumbling 震动
  • uncomment 1 of the lines for each mode selection
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#define pressures   false
#define rumble      false

normal plan

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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 connect the controller,
//or call config_gamepad(pins) again after connecting the controller.

int error = -1;
byte type = 0;
byte vibrate = 0;
int tryNum = 1;

initialization

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while (error != 0) {
  delay(1000);// 1 second wait
  //setup pins and settings: GamePad(clock, command, attention, data, Pressures?, Rumble?) check for error
  error = ps2x.config_gamepad(PS2_CLK, PS2_CMD, PS2_SEL, PS2_DAT, pressures, rumble);
  Serial.print("#try config ");
  Serial.println(tryNum);
  tryNum ++;
}

read the value plan

first
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ps2x.read_gamepad(false, vibrate); //read controller and set large motor to spin at 'vibrate' speed
read
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//will be TRUE as long as button is pressed
// 长按
if(ps2x.Button(PSB_START))
    Serial.println("Start is being held");


vibrate = ps2x.Analog(PSAB_CROSS);  //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_TRIANGLE))
    Serial.println("△ pressed");
    }


//△□○×
if(ps2x.ButtonPressed(PSB_CIRCLE))               //will be TRUE if button was JUST pressed
    Serial.println("○ just pressed");
if(ps2x.NewButtonState(PSB_CROSS))               //will be TRUE if button was JUST pressed OR released
    Serial.println("× just changed");
if(ps2x.ButtonReleased(PSB_SQUARE))              //will be TRUE if button was JUST released
    Serial.println("□ just released");