two

test/wifi_gpio_isolation.py

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+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+"""Standalone WiFi/GPIO isolation test.
+
+This script intentionally does not import any project module. It only tests
+MaixPy WiFi startup with optional A23/A26 GPIO initialization.
+"""
+
+import time
+
+from maix import gpio, network, pinmap
+
+
+GREEN_PIN = "A26"
+GREEN_GPIO = "GPIOA26"
+RED_PIN = "A23"
+RED_GPIO = "GPIOA23"
+
+# Run this file directly from the official MaixPy tool.
+# Change only TEST_MODE between runs: none -> a26 -> a23 -> both.
+TEST_MODE = "none"
+WIFI_SSID = "sheling4b02-5G"
+WIFI_PASSWORD = "Aa12345678"
+WIFI_TIMEOUT_S = 20
+
+
+def init_gpio(mode):
+    outputs = []
+    if mode in ("a26", "both"):
+        pinmap.set_pin_function(GREEN_PIN, GREEN_GPIO)
+        green = gpio.GPIO(GREEN_GPIO, gpio.Mode.OUT)
+        green.value(1)
+        outputs.append((GREEN_GPIO, green))
+        print("GPIOA26 initialized HIGH")
+    if mode in ("a23", "both"):
+        pinmap.set_pin_function(RED_PIN, RED_GPIO)
+        red = gpio.GPIO(RED_GPIO, gpio.Mode.OUT)
+        red.value(1)
+        outputs.append((RED_GPIO, red))
+        print("GPIOA23 initialized HIGH")
+    return outputs
+
+
+def connect_wifi(ssid, password, timeout_s):
+    print("Starting MaixPy WiFi connection...")
+    wifi = network.wifi.Wifi()
+    result = wifi.connect(ssid, password, wait=True, timeout=timeout_s)
+    print("WiFi connect result:", result)
+    try:
+        print("WiFi connected:", wifi.is_connected())
+        print("WiFi IP:", wifi.get_ip())
+    except Exception as exc:
+        print("WiFi status query failed:", exc)
+    return result
+
+
+def main():
+    mode = TEST_MODE.lower()
+    if mode not in ("none", "a26", "a23", "both"):
+        print("TEST_MODE must be none, a26, a23, or both")
+        return 1
+    ssid = WIFI_SSID
+    password = WIFI_PASSWORD
+    timeout_s = WIFI_TIMEOUT_S
+
+    print("=== Standalone WiFi/GPIO isolation ===")
+    print("mode:", mode)
+    print("ssid:", ssid)
+    outputs = []
+    try:
+        outputs = init_gpio(mode)
+        time.sleep(1)
+        connect_wifi(ssid, password, timeout_s)
+        return 0
+    except Exception as exc:
+        print("TEST FAILED:", repr(exc))
+        return 1
+    finally:
+        for gpio_name, output in outputs:
+            try:
+                output.value(0)
+                print(gpio_name, "LOW")
+            except Exception as exc:
+                print(gpio_name, "cleanup failed:", exc)
+
+
+if __name__ == "__main__":
+    raise SystemExit(main())