some infos

write.py

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+import serial
+from time import sleep
+from dataclasses import dataclass
+# Set up the serial port
+ser = serial.Serial('/dev/ttyUSB0', 115200)  # Replace with the appropriate port name and baud rate
+
+# Define a list of hexadecimal numbers to send
+error = bytes.fromhex('ff e3')
+numbers = [i for i in range(255)]
+
+@dataclass
+class Result:
+    sent: bytes = b''
+    result: bytes = b''
+
+results = []
+for num in numbers:
+    byt = num.to_bytes(num, "big")
+    print("Writing: " + hex(num))
+    ser.write(byt)
+    sleep(0.01)
+
+    ser.write(bytes.fromhex('f9'))
+
+    data = ser.read(ser.in_waiting)
+
+    print(data)
+    print(error)
+    if data not in error and data != b'':
+        result = Result(sent=num, result=hex(int.from_bytes(data, "big")))
+        results.append(result)
+    sleep(0.1)
+
+
+
+
+for res in results:
+    print(res)
+
+# Close the serial port
+ser.close()