libs/module/nbiot.py: Add NBIOT Module support.

Signed-off-by: lbuque <[email protected]>

Author: lbuque

m5stack/libs/module/__init__.py

@@ -16,6 +16,7 @@
     "LoRaWANModule": "lorawan",
     "LoRaWAN868Module": "lorawan868",
     "Module4In8Out": "module_4in8out",
+    "NBIOTModule": "nbiot",
     "PLUSModule": "plus",
     "PPSModule": "pps",
     "RCAModule": "rca",

m5stack/libs/module/manifest.py

@@ -19,6 +19,7 @@
         "mbus.py",
         "module_4in8out.py",
         "module_helper.py",
+        "nbiot.py",
         "plus.py",
         "pps.py",
         "rca.py",

m5stack/libs/module/nbiot.py

@@ -0,0 +1,21 @@
+# SPDX-FileCopyrightText: 2024 M5Stack Technology CO LTD
+#
+# SPDX-License-Identifier: MIT
+
+import machine
+from driver.simcom.sim7020 import SIM7020
+import sys
+
+if sys.platform != "esp32":
+    from typing import Literal
+
+
+class NBIOTModule(SIM7020):
+    def __init__(self, id: Literal[0, 1, 2], tx: int, rx: int) -> None:
+        self.uart = machine.UART(
+            id, tx=tx, rx=rx, baudrate=115200, bits=8, parity=None, stop=1, rxbuf=1024
+        )
+        super().__init__(uart=self.uart)
+        if not self.check_modem_is_ready():
+            raise Exception("NBIOT module not found in mbus")
+        self.set_command_echo_mode(0)