import socket import os import wifi from pythonosc import udp_client from neopixel import * import threading import requests import json # Replace with your server's IP address and port SERVER_IP = '192.168.0.1' # Change to the actual IP of the PiXelTube Master SERVER_PORT = 5000 # Change to the port your Flask app is running on # Dynamically obtain the MAC address of the WLAN interface wlan_mac_address = ':'.join(['{:02x}'.format((int(os.popen(f'cat /sys/class/net/wlan0/address').read().split(':'))[i]),) for i in range(6)]) # Replace with the GPIO pin connected to the data input of the WS2812B LED strip LED_STRIP_PIN = 18 LED_COUNT = 60 # Global variables for LED strip control strip = Adafruit_NeoPixel(LED_COUNT, LED_STRIP_PIN, 800000, 10, False) strip.begin() def register_tube(): # Register or reauthenticate the tube with the server try: response = requests.post(f'http://{SERVER_IP}:{SERVER_PORT}/register_tube', data={'mac_address': wlan_mac_address}) data = response.json() if data.get('success'): print('Tube registered successfully.') else: print(f'Registration failed: {data.get("message")}') except requests.RequestException as e: print(f'Registration failed: {e}') def is_connected_to_wifi(): try: ssid = wifi.current() return ssid is not None except wifi.exceptions.InterfaceError: return False def listen_to_artnet(universe, dmx_address): # Set up Art-Net client client = udp_client.SimpleUDPClient(SERVER_IP, SERVER_PORT) # Listen to Art-Net messages while True: try: # Receive Art-Net message with socket.socket(socket.AF_INET, socket.SOCK_DGRAM) as sock: sock.bind(('0.0.0.0', 6454)) # Listen on all interfaces data, addr = sock.recvfrom(1024) # Process Art-Net message universe_id = int.from_bytes(data[14:15], byteorder='big') dmx_start_address = int.from_bytes(data[15:17], byteorder='big') if universe_id == universe and dmx_start_address <= dmx_address <= dmx_start_address + 2 * LED_COUNT: # Extract RGB values from Art-Net packet r = data[17] g = data[18] b = data[19] # Map DMX address to LED index led_index = (dmx_address - dmx_start_address) // 3 # Update LED strip strip.setPixelColor(led_index, Color(r, g, b)) strip.show() # Send confirmation to the server client.send_message('/acknowledge', {'tube_id': wlan_mac_address, 'led_index': led_index}) except Exception as e: print(f"Error: {e}") def get_assigned_params(): try: response = requests.get(f'http://{SERVER_IP}:{SERVER_PORT}/get_assigned_params/{wlan_mac_address}') data = response.json() if data.get('success'): return data.get('universe'), data.get('dmx_address') else: print(f'Failed to fetch assigned parameters: {data.get("message")}') return None, None except requests.RequestException as e: print(f'Failed to fetch assigned parameters: {e}') return None, None if __name__ == "__main__": # Connect to Wi-Fi if is_connected_to_wifi(): # Register/reauthenticate the tube register_tube() # Fetch assigned universe and DMX address assigned_universe, assigned_dmx_address = get_assigned_params() if assigned_universe is not None and assigned_dmx_address is not None: # Start a thread for listening to Art-Net messages art_net_thread = threading.Thread(target=listen_to_artnet, args=(assigned_universe, assigned_dmx_address)) art_net_thread.start() # Wait for the thread to finish (you can add more logic here as needed) art_net_thread.join()