libs/stamplc: Add StamPLC driver support.

Signed-off-by: tinyu <tinyu.zhao@gmail.com>

Author: TinyuZhao

m5stack/libs/stamplc/__init__.py

@@ -4,6 +4,7 @@
 
 _attrs = {
     "ACStamPLC": "ac",
+    "PoEStamPLC": "poe",
 }
 
 

m5stack/libs/stamplc/manifest.py

@@ -7,6 +7,7 @@
     (
         "__init__.py",
         "ac.py",
+        "poe.py",
     ),
     base_path="..",
     opt=0,

m5stack/libs/stamplc/poe.py

@@ -0,0 +1,50 @@
+# SPDX-FileCopyrightText: 2025 M5Stack Technology CO LTD
+#
+# SPDX-License-Identifier: MIT
+
+import network
+import machine
+import builtins
+
+
+class PoEStamPLC:
+    """Create an PoEStamPLC object
+
+    :param int cs_pin: The chip select pin number.
+    :param int rst_pin: The reset pin number.
+    :param int int_pin: The interrupt pin number.
+
+    UiFlow2 Code Block:
+
+        |init.png|
+
+    MicroPython Code Block:
+
+        .. code-block:: python
+
+            from stamplc import PoEStamPLC
+
+            stamplc_poe_0 = PoEStamPLC()
+    """
+
+    def __new__(cls, cs_pin=11, rst_pin=3, int_pin=14):
+        _spi_handle = machine.SPI(
+            1,
+            sck=machine.Pin(7),
+            mosi=machine.Pin(8),
+            miso=machine.Pin(9),
+        )
+        nic = network.LAN(
+            0,
+            phy_addr=0,
+            phy_type=network.PHY_W5500,
+            spi=_spi_handle,
+            cs=machine.Pin(cs_pin),
+            int=machine.Pin(int_pin),
+        )
+        mac = builtins.int.from_bytes(machine.unique_id(), "big")
+        mac = mac + 3
+        # esp32-s3 no eth mac, so use sta mac + 3
+        nic.config(mac=mac.to_bytes(6, "big"))
+        nic.active(True)
+        return nic