commit bafb8e0cefc0f9bb1dabb1eb9abd13f2df5246d9
Author: denizk0461 <denizk0461@mailbox.org>
Date:   Fri May 9 07:11:34 2025 +0200

    Initial commit

diff --git a/ps2-arduino.ino b/ps2-arduino.ino
new file mode 100644
index 0000000..c0b12dd
--- /dev/null
+++ b/ps2-arduino.ino
@@ -0,0 +1,210 @@
+#include <PS2X_lib.h>
+#include <XInput.h>
+#include <Adafruit_SSD1306.h>
+
+#define SCREEN_WIDTH 128
+#define SCREEN_HEIGHT 64
+
+#define PS2_CMD 15
+#define PS2_CLK 14
+#define PS2_DAT 16
+#define PS2_ATT 10
+
+#define pressures false
+#define rumble false
+
+#define OLED_RESET     -1
+#define SCREEN_ADDRESS 0x3C
+
+PS2X ps2x;
+Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);
+
+int error = 0;
+byte type = 0;
+byte vibrate = 0;
+
+void setup() {
+  Serial.begin(57600);
+  delay(300);
+
+  // TODO check in loop to detect disconnected and reconnected controllers
+  error = ps2x.config_gamepad(PS2_CLK, PS2_CMD, PS2_ATT, PS2_DAT, pressures, rumble);
+
+  pinMode(17, OUTPUT);
+
+  if(!display.begin(SSD1306_SWITCHCAPVCC, SCREEN_ADDRESS)) {
+    Serial.println(F("SSD1306 allocation failed"));
+    for(;;); // Don't proceed, loop forever
+  }
+  
+  display.setTextColor(WHITE);
+  display.cp437(true);
+  display.clearDisplay();
+  display.setCursor(0, 0);
+  display.write("hello ps2!");
+  display.display();
+
+  switch (error) {
+    case 0:
+      onControllerDetected();
+      break;
+    case 1:
+      Serial.println("No controller found, check wiring, see readme.txt to enable debug. visit www.billporter.info for troubleshooting tips");
+      break;
+    case 2:
+      Serial.println("Controller found but not accepting commands. see readme.txt to enable debug. Visit www.billporter.info for troubleshooting tips");
+      break;
+    case 3:
+      Serial.println("Controller refusing to enter Pressures mode, may not support it. ");
+      break;
+  }
+
+  type = ps2x.readType();
+  if (type == 0) {
+    Serial.println("DualShock controller found");
+    digitalWrite(17, HIGH);
+    XInput.setJoystickRange(0, 255);
+  }
+}
+
+void loop() {
+  if (error == 1 || type != 0) {
+    return; // Skip loop on error
+  }
+
+  ps2x.read_gamepad(false, vibrate);
+
+  // Face buttons
+  // Triangle ∆
+  if (ps2x.ButtonPressed(PSB_TRIANGLE)) {
+    XInput.press(BUTTON_Y);
+  }
+
+  if (ps2x.ButtonReleased(PSB_TRIANGLE)) {
+    XInput.release(BUTTON_Y);
+  }
+
+  // Circle O
+  if (ps2x.ButtonPressed(PSB_CIRCLE)) {
+    XInput.press(BUTTON_B);
+  }
+
+  if (ps2x.ButtonReleased(PSB_CIRCLE)) {
+    XInput.release(BUTTON_B);
+  }
+
+  // Square □
+  if (ps2x.ButtonPressed(PSB_SQUARE)) {
+    XInput.press(BUTTON_X);
+  }
+
+  if (ps2x.ButtonReleased(PSB_SQUARE)) {
+    XInput.release(BUTTON_X);
+  }
+
+  // Cross X
+  if (ps2x.ButtonPressed(PSB_CROSS)) {
+    XInput.press(BUTTON_A);
+  }
+
+  if (ps2x.ButtonReleased(PSB_CROSS)) {
+    XInput.release(BUTTON_A);
+  }
+
+  // Shoulder buttons
+  // L1
+  if (ps2x.ButtonPressed(PSB_L1)) {
+    XInput.press(BUTTON_LB);
+  }
+
+  if (ps2x.ButtonReleased(PSB_L1)) {
+    XInput.release(BUTTON_LB);
+  }
+
+  // L2
+  if (ps2x.ButtonPressed(PSB_L2)) {
+    XInput.press(TRIGGER_LEFT);
+  }
+
+  if (ps2x.ButtonReleased(PSB_L2)) {
+    XInput.release(TRIGGER_LEFT);
+  }
+
+  // R1
+  if (ps2x.ButtonPressed(PSB_R1)) {
+    XInput.press(BUTTON_RB);
+  }
+
+  if (ps2x.ButtonReleased(PSB_R1)) {
+    XInput.release(BUTTON_RB);
+  }
+
+  // R2
+  if (ps2x.ButtonPressed(PSB_R2)) {
+    XInput.press(TRIGGER_RIGHT);
+  }
+
+  if (ps2x.ButtonReleased(PSB_R2)) {
+    XInput.release(TRIGGER_RIGHT);
+  }
+
+  // Special buttons
+  // Start
+  if (ps2x.ButtonPressed(PSB_START)) {
+    XInput.press(BUTTON_START);
+  }
+
+  if (ps2x.ButtonReleased(PSB_START)) {
+    XInput.release(BUTTON_START);
+  }
+
+  // Select
+  if (ps2x.ButtonPressed(PSB_SELECT)) {
+    XInput.press(BUTTON_BACK);
+  }
+
+  if (ps2x.ButtonReleased(PSB_SELECT)) {
+    XInput.release(BUTTON_BACK);
+  }
+
+  // Analogue sticks
+  // L3
+  if (ps2x.ButtonPressed(PSB_L3)) {
+    XInput.press(BUTTON_L3);
+  }
+
+  if (ps2x.ButtonReleased(PSB_L3)) {
+    XInput.release(BUTTON_L3);
+  }
+
+  // R3
+  if (ps2x.ButtonPressed(PSB_R3)) {
+    XInput.press(BUTTON_R3);
+  }
+
+  if (ps2x.ButtonReleased(PSB_R3)) {
+    XInput.release(BUTTON_R3);
+  }
+
+  // Left stick
+  XInput.setJoystick(JOY_LEFT, ps2x.Analog(PSS_LX), 255 - ps2x.Analog(PSS_LY));
+
+  // Right stick
+  XInput.setJoystick(JOY_RIGHT, ps2x.Analog(PSS_RX), 255 - ps2x.Analog(PSS_RY));
+}
+
+void onControllerDetected() {
+  Serial.print("Found Controller, configured successful ");
+  Serial.print("pressures = ");
+	if (pressures) {
+	  Serial.println("true ");
+	} else {
+	  Serial.println("false");
+  }
+	Serial.print("rumble = ");
+	if (rumble) {
+	  Serial.println("true)");
+	} else {
+	  Serial.println("false");
+  }
+}