110 lines
3.8 KiB
Python
110 lines
3.8 KiB
Python
import os
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import subprocess
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from rpi_ws281x import Adafruit_NeoPixel, ws
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import requests
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import json
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import time
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from threading import Thread
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import paho.mqtt.client as mqtt
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from getmac import get_mac_address
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import board
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import sys
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import ast
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SERVER_IP = '192.168.0.1'
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SERVER_PORT = 5000
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# Dynamically obtain the MAC address of the WLAN interface
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wlan_mac_address = str(get_mac_address(interface="wlan0"))
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# Replace with the GPIO pin connected to the data input of the WS2812B LED strip
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LED_STRIP_PIN = board.D18
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global LED_COUNT
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LED_COUNT = 30
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global LEDS_PER_PIXEL
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LEDS_PER_PIXEL = 5
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# Global variables for LED strip control
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STRIP_TYPE = ws.2812B_STRIP_RGB
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global strip
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strip = Adafruit_NeoPixel(LED_COUNT, 18, 800000, 5, False, 255, 0, STRIP_TYPE)
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strip.begin()
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def register_tube():
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# Register or reauthenticate the tube with the server
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try:
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response = requests.post(f'http://{SERVER_IP}:{SERVER_PORT}/register_tube', data={'mac_address': wlan_mac_address})
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print(response)
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data = response.json()
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if data.get('success'):
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print('Tube registered successfully.')
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else:
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print(f'Registration failed: {data.get("message")}')
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except requests.RequestException as e:
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print(f'Registration failed: {e}')
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def get_assigned_params():
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try:
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response = requests.get(f'http://{SERVER_IP}:{SERVER_PORT}/get_assigned_params/{wlan_mac_address}')
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data = response.json()
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if data.get('success'):
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return data.get('universe'), data.get('dmx_address')
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else:
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print(f'Failed to fetch assigned parameters: {data.get("message")}')
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return None, None
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except requests.RequestException as e:
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print(f'Failed to fetch assigned parameters: {e}')
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return None, None
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def is_connected_to_wifi():
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output = subprocess.check_output(['iwgetid']).decode()
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return output.split('"')[1]
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def update_led_strip(rgb_values, pixel, strip):
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print(*rgb_values)
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strip.setPixelColorRGB(int(pixel), *rgb_values)
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def on_message(mqttc, obj, msg):
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rgb_values = (*ast.literal_eval(msg.payload.decode()), )
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if msg.topic == "tube-"+wlan_mac_address+"/p1":
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for pixel in range(LEDS_PER_PIXEL):
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update_led_strip(rgb_values, pixel, strip)
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elif msg.topic == "tube-"+wlan_mac_address+"/p2":
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for pixel in range(LEDS_PER_PIXEL, LEDS_PER_PIXEL*2):
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update_led_strip(rgb_values, pixel, strip)
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elif msg.topic == "tube-"+wlan_mac_address+"/p3":
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for pixel in range(LEDS_PER_PIXEL*2, LEDS_PER_PIXEL*3):
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update_led_strip(rgb_values, pixel, strip)
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elif msg.topic == "tube-"+wlan_mac_address+"/p4":
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for pixel in range(LEDS_PER_PIXEL*3, LEDS_PER_PIXEL*4):
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update_led_strip(rgb_values, pixel, strip)
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elif msg.topic == "tube-"+wlan_mac_address+"/p5":
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for pixel in range(LEDS_PER_PIXEL*4, LEDS_PER_PIXEL*5):
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update_led_strip(rgb_values, pixel, strip)
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elif msg.topic == "tube-"+wlan_mac_address+"/p6":
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for pixel in range(LEDS_PER_PIXEL*5, LEDS_PER_PIXEL*6):
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update_led_strip(rgb_values, pixel, strip)
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if __name__ == "__main__":
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# Connect to Wi-Fi
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if is_connected_to_wifi() is not None:
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# Register/reauthenticate the tube
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register_tube()
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time.sleep(1)
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mqttc = mqtt.Client(mqtt.CallbackAPIVersion.VERSION2)
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mqttc.connect("192.168.0.1", 1883, 60)
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mqttc.on_message = on_message
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mqttc.subscribe("tube-"+str(wlan_mac_address)+"/p1", 0)
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mqttc.subscribe("tube-"+str(wlan_mac_address)+"/p2", 0)
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mqttc.subscribe("tube-"+str(wlan_mac_address)+"/p3", 0)
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mqttc.subscribe("tube-"+str(wlan_mac_address)+"/p4", 0)
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mqttc.subscribe("tube-"+str(wlan_mac_address)+"/p5", 0)
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mqttc.subscribe("tube-"+str(wlan_mac_address)+"/p6", 0)
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mqttc.loop_forever() |