commit 14266a483bdd6c5d8c8165c9c7db195fa5d13848
Author: Dan Frumin <dfrumin@cs.ru.nl>
Date:   Wed Jul 31 17:38:24 2019 +0200

    first commit

diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..04e37ec
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,8 @@
+# Using Arduino Make file. <https://github.com/sudar/Arduino-Makefile>
+
+BOARD_TAG    = leonardo
+MONITOR_PORT = /dev/ttyACM0
+ARDUINO_DIR = /home/dan/projects/arduino-1.8.9
+ARDUINO_LIBS = HID Mouse
+include /home/dan/projects/avr/Arduino-Makefile/Arduino.mk
+
diff --git a/joystick.ino b/joystick.ino
new file mode 100644
index 0000000..b127116
--- /dev/null
+++ b/joystick.ino
@@ -0,0 +1,53 @@
+#include <Mouse.h>
+#define DELAY 5
+
+const int sw_pin = 8;
+const int vrx_pin = A0;
+const int vry_pin = A1;
+
+const int base_x = 512;
+const int base_y = 519;
+
+const int max_x = 1023;
+const int max_y = 1023;
+
+const int rng = 14;
+
+void setup() {                
+  pinMode(sw_pin, INPUT_PULLUP);
+  Mouse.begin();
+}
+
+int prev_clicked = 0;
+int get_clicked() {
+  int signal = !digitalRead(sw_pin);
+  int ret = (signal && signal != prev_clicked) ? 1 : 0;
+  prev_clicked = signal;
+  return ret;
+}
+
+int read_direction(int analog_pin, int base, int max, int rng) {
+  int signal = analogRead(analog_pin);
+  if (signal > base) {
+    return map (signal, base, max, 0, rng);
+  } else if (signal < base) {
+    return - map (signal, base, 0, 1, rng);
+  } else { return 0; }
+}
+
+void loop() {
+  int click = get_clicked();
+  if (click) {
+    Mouse.click();
+  }
+  int dirx = read_direction(vrx_pin, base_x, max_x, rng);
+  int diry = read_direction(vry_pin, base_y, max_y, rng);
+  if (diry != 0) {
+    Mouse.move(0, diry, 0);
+  }
+  if (dirx != 0) {
+    Mouse.move(dirx, 0, 0);
+  }
+  
+  delay(DELAY);
+}