adding files

dro_print.py

@@ -0,0 +1,48 @@
+#/usr/bin/python3
+
+"""
+is the port available:
+    ls /dev/*i2c*
+
+scan connected I2C slaves:
+    sudo i2cdetect -y 1
+"""
+
+from enum import IntEnum
+import time
+
+
+# Prefer system-installed `smbus2`, otherwise fall back to local `smbus2.py`.
+try:
+    import smbus2
+except ImportError:
+    import RPi.fake_smbus as smbus2  # type: ignore
+    print('smbus2 not available; using fake smbus2.py')
+
+_bus = smbus2.SMBus(1)
+
+def poll_i2c_data():
+        """ poll I2C data from Arduino """
+        try:
+            data = _bus.read_i2c_block_data(0x08, 0, 4)
+
+            x_position_update = int.from_bytes(bytes(data[0:2]), 'little', signed=True)
+            z_position_update = int.from_bytes(bytes(data[2:4]), 'little', signed=True)
+            print(f"X Position: {x_position_update}, Z Position: {z_position_update}")
+
+        except IOError as e:
+            print(f"I2C read error: {e}")
+        except OSError as e:
+            print(f"I2C OS error: {e}")
+
+def main():
+    try:
+      while 1:
+        poll_i2c_data()
+        time.sleep(0.2)  # Poll every 200ms
+
+    except KeyboardInterrupt:
+        raise SystemExit
+    
+if __name__ == '__main__':
+    main()