Docs: Refactor icsneopy examples

examples/python/ethernet/ethernet_transmit_basic.py

@@ -0,0 +1,45 @@
+"""
+Basic Ethernet frame transmission example using icsneopy library.
+
+Demonstrates how to transmit Ethernet frames on Ethernet 01.
+"""
+
+import icsneopy
+
+
+def transmit_ethernet_frame():
+	"""Transmit an Ethernet frame."""
+	devices = icsneopy.find_all_devices()
+	if not devices:
+		raise RuntimeError("No devices found")
+
+	device = devices[0]
+
+	try:
+		if not device.open():
+			raise RuntimeError("Failed to open device")
+
+		if not device.go_online():
+			raise RuntimeError("Failed to go online")
+
+		frame = icsneopy.EthernetMessage()
+		frame.network = icsneopy.Network(icsneopy.Network.NetID.ETHERNET_01)
+		frame.data = [
+			0x00, 0xFC, 0x70, 0x00, 0x01, 0x02,
+			0x00, 0xFC, 0x70, 0x00, 0x01, 0x01,
+			0x08, 0x00,
+			0x01, 0xC5, 0x01, 0xC5
+		]
+
+		success = device.transmit(frame)
+		if success:
+			print("Frame transmitted successfully")
+		else:
+			print("Failed to transmit frame")
+
+	finally:
+		device.close()
+
+
+if __name__ == "__main__":
+	transmit_ethernet_frame()