feat: add port-finder for circuitPython data-port

main.py

@@ -22,7 +22,7 @@ if __name__ == "__main__":
     positions = parser.get_positions()
 
     if args.visualize:
-        screen_dimensions = (1024*1.5, 1024*1.5 * HEIGHT_MM/WIDTH_MM)
+        screen_dimensions = (1024*1.5, 1024*1.5 * args.height/args.width)
         visualizer = Visualizer(positions, screen_dimensions, (args.width, args.height))
         visualizer.visualize()
 

port-finder.py

@@ -0,0 +1,18 @@
+#! /usr/bin/env python3
+
+import serial.tools.list_ports
+from serial.tools.list_ports_common import ListPortInfo
+
+if __name__ == "__main__":
+    ports = serial.tools.list_ports.comports()
+    for port in ports:
+        if port.interface and port.interface.startswith("CircuitPython CDC2"): # CDC2 is the data-port
+            print(f"Port: {port.device}")
+            print(f"  Description: {port.description}")
+            print(f"  Manufacturer: {port.manufacturer}")
+            print(f"  VID: {port.vid}")
+            print(f"  PID: {port.pid}")
+            print(f"  Serial Number: {port.serial_number}")
+            print(f"  Location: {port.location}")
+            print(f"  Interface: {port.interface}")
+            print()

pwm_driver.py

@@ -9,8 +9,7 @@ class PWMDriver():
 
     def _init_pwm(self) -> None:
         from serial import Serial
-        pass
-        #self.serial = Serial(self.port, self.baudrate)
+        self.serial = Serial(self.port, self.baudrate)
     
     def _send_position(self, pos : tuple[float, float, float]) -> None:
         x, y, z = pos
@@ -22,14 +21,11 @@ class PWMDriver():
         
         # Send PWM values to the serial port
         print(f"Sending PWM values: X={pwm_x:<5}, Y={pwm_y:<5}, Pen={pen}")
-        #self.serial.write(f"{pwm_x},{pwm_y},{pen}\n".encode())
+        self.serial.write(f"{pwm_x},{pwm_y},{pen}\n".encode())
 
     def _position_reached(self) -> bool:
         # Check if the position has been reached
-        from time import sleep
-        sleep(0.5)
-        return True
-        # return self.serial.readline().decode().strip() == "OK"
+        return self.serial.readline().decode().strip() == "OK"
     
     def _wait_for_position(self) -> None:
         # Wait until the position is reached