#!/usr/bin/env python3 import serial import time PORT = 'COM7' BAUD = 115200 print("Connecting to COM7 to check WiFi status...\n") try: with serial.Serial(PORT, BAUD, timeout=1) as ser: time.sleep(1) ser.reset_input_buffer() # Read any current output for 3 seconds print("Reading current output...") print("-" * 60) start = time.time() found_wifi = False found_mqtt = False found_lora = False while time.time() - start < 3: if ser.in_waiting: line = ser.readline().decode('utf-8', errors='ignore').strip() if line: print(line) if 'WiFi' in line or 'wifi' in line: found_wifi = True if 'MQTT' in line or 'mqtt' in line: found_mqtt = True if 'LoRa' in line or 'MHz' in line: found_lora = True time.sleep(0.05) print("-" * 60) # Send 'c' then '5' to show configuration print("\nChecking saved configuration...") ser.write(b'c\n') time.sleep(0.3) ser.write(b'5\n') time.sleep(1.5) print("-" * 60) config_lines = [] while ser.in_waiting: line = ser.readline().decode('utf-8', errors='ignore').strip() if line: config_lines.append(line) print(line) print("-" * 60) # Exit config ser.write(b'0\n') time.sleep(0.3) # Analysis print("\n" + "=" * 60) print("ANALYSIS:") print("=" * 60) wifi_enabled = any('Enabled: Yes' in line or 'Enabled: Yes' in line for line in config_lines if 'WiFi' in line or line.strip().startswith('Enabled:')) if wifi_enabled: print("✓ WiFi is ENABLED in configuration") else: print("✗ WiFi appears to be DISABLED") if any('Trucell' in line for line in config_lines): print("✓ WiFi SSID 'Trucell Signage' is configured") else: print("✗ WiFi SSID may not be configured correctly") if any('915.8' in line or '915.80' in line for line in config_lines): print("✓ LoRa frequency 915.8 MHz is configured") else: print("✗ LoRa frequency may not be 915.8 MHz") if any('250' in line for line in config_lines): print("✓ LoRa bandwidth 250 kHz is configured") else: print("? LoRa bandwidth unclear") except serial.SerialException as e: print(f"ERROR: {e}") print("\nTroubleshooting:") print("1. Close any other serial monitors") print("2. Unplug and replug the USB cable") print("3. Try a different USB port") except Exception as e: print(f"ERROR: {e}")