2022-06-29 19:59:06 +00:00
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from base64 import b16decode
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2021-11-08 20:36:55 +00:00
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import time
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import os
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2022-03-11 10:18:23 +00:00
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from datetime import datetime
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2022-05-16 19:08:45 +00:00
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from requests import request
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2022-03-26 19:14:20 +00:00
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try:
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from rpi_ws281x import *
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import RPi.GPIO as GPIO
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2022-05-16 19:13:14 +00:00
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from flask import Flask, render_template, request, redirect, url_for, flash, jsonify
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2022-05-16 18:56:11 +00:00
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import json
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2022-05-16 19:10:53 +00:00
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from argparse import ArgumentParser
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2022-05-16 19:31:43 +00:00
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import threading
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2022-06-29 19:59:06 +00:00
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import paho.mqtt.client as mqtt
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2022-03-26 19:14:20 +00:00
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except ImportError:
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print('Some modules are missing. Try to install them with "pip3 install -r requirements.txt"')
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exit()
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2022-03-11 10:18:23 +00:00
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2021-11-08 20:36:55 +00:00
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# LED strip configuration:
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LED_COUNT = 60 # Number of LED pixels.
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LED_PIN = 18 # GPIO pin connected to the pixels (18 uses PWM!).
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#LED_PIN = 10 # GPIO pin connected to the pixels (10 uses SPI /dev/spidev0.0).
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LED_FREQ_HZ = 800000 # LED signal frequency in hertz (usually 800khz)
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LED_DMA = 10 # DMA channel to use for generating signal (try 10)
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LED_BRIGHTNESS = 255 # Set to 0 for darkest and 255 for brightest
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LED_INVERT = False # True to invert the signal (when using NPN transistor level shift)
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LED_CHANNEL = 0 # set to '1' for GPIOs 13, 19, 41, 45 or 53
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2022-06-29 19:59:06 +00:00
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2022-03-11 10:18:23 +00:00
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def debug_print(message: str):
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now = datetime.now()
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current_time = now.strftime("%H:%M:%S")
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print('[DEBUG]['+current_time+'] '+message)
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2021-11-08 20:36:55 +00:00
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def wheel(pos):
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if pos < 85:
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return Color(pos * 3, 255 - pos * 3, 0)
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elif pos < 170:
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pos -= 85
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return Color(255 - pos * 3, 0, pos * 3)
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else:
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pos -= 170
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return Color(0, pos * 3, 255 - pos * 3)
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2021-11-09 22:16:38 +00:00
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def rainbowCycle(strip, wait_ms=5, iterations=10):
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2021-11-08 20:36:55 +00:00
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for j in range(256*iterations):
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2022-05-16 18:56:11 +00:00
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if mode > 0:
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2022-03-11 10:18:23 +00:00
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break
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2022-05-16 19:41:37 +00:00
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elif power == "False":
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break
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2021-11-08 20:36:55 +00:00
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for i in range(strip.numPixels()):
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strip.setPixelColor(i, wheel((int(i * 256 / strip.numPixels()) + j) & 255))
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strip.show()
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time.sleep(wait_ms/1000.0)
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2022-03-11 10:18:23 +00:00
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def setColor(strip, color, wait_ms=10):
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2021-11-08 20:36:55 +00:00
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for i in range(strip.numPixels()):
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strip.setPixelColor(i, color)
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strip.show()
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time.sleep(wait_ms/1000.0)
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2022-06-29 19:59:06 +00:00
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def mqtt_on_connect(client, userdata, flags, rc):
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2022-07-01 21:19:42 +00:00
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client.subscribe("server-rack-led/power")
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client.subscribe("server-rack-led/mode")
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client.subscribe("server-rack-led/rgb")
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2022-06-29 19:59:06 +00:00
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2022-05-16 18:56:11 +00:00
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if __name__ == '__main__':
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2022-07-01 20:44:22 +00:00
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app = Flask(__name__)
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2022-06-28 16:07:59 +00:00
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#api
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@app.route('/api/')
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2022-05-16 18:56:11 +00:00
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def index():
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return '''
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Server Rack LED stripe</title>
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</head>
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<style>
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@import url('https://fonts.googleapis.com/css2?family=Roboto&display=swap');
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body {
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font-family: 'Roboto', sans-serif;
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background-color: #1E1E1E;
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color: #fff;
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}
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2021-11-08 20:36:55 +00:00
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2022-05-16 18:56:11 +00:00
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code {
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background-color: #333333;
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border: 5px solid #333333;
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border-radius: 10px;
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2021-11-08 20:36:55 +00:00
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2022-05-16 18:56:11 +00:00
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.head-text {
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font-size: 25px;
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#put text in middle of page
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margin-left: auto;
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margin-right: auto;
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left: 50%;
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text-align: center;
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}
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</style>
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<body>
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<p class="head-text">My Server Rack LED stripe control API</p>
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<br>
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<p>How to use the API:</p>
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2022-05-16 19:43:31 +00:00
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<code>/power?power=True</code>
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<br>
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<code>/power?power=False</code>
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<br>
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<code>/mode?mode=0</code>
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<br>
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<code>/mode?mode=1&r=0&g=0&b=0</code>
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2022-05-16 18:56:11 +00:00
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</body>
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</html>
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'''
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2021-11-09 17:26:35 +00:00
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2022-06-28 16:07:59 +00:00
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@app.route('/api/mode', methods=['GET'])
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2022-05-16 18:56:11 +00:00
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def mode():
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2022-05-16 19:23:10 +00:00
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global mode
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global r
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global g
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global b
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2022-05-16 19:12:07 +00:00
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args = request.args
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2022-05-16 19:09:43 +00:00
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mode = str(args.get('mode'))
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r = str(args.get('r'))
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g = str(args.get('g'))
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b = str(args.get('b'))
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2022-05-16 19:06:13 +00:00
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if mode is None:
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2022-05-16 18:56:11 +00:00
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return 'No mode specified'
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2022-05-16 19:06:13 +00:00
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elif mode == "":
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2022-05-16 18:56:11 +00:00
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return 'No mode specified'
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elif mode == "0":
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mode = 0
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return 'Rainbow Cycle'
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elif mode == "1":
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2022-05-16 19:06:13 +00:00
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if r is None or g is None or b is None:
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return 'No color specified'
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elif r == "" or g == "" or b == "":
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return 'No color specified'
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else:
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mode = 1
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return 'Color: '+str(r)+','+str(g)+','+str(b)
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2021-11-08 20:36:55 +00:00
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2022-06-28 16:07:59 +00:00
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@app.route('/api/power', methods=['GET'])
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2022-05-16 18:56:11 +00:00
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def power():
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2022-05-16 19:36:58 +00:00
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global power
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power = request.args.get('power')
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if power is None:
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return 'No power argument specified'
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elif power == "":
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return 'No power argument specified'
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2022-05-16 19:39:21 +00:00
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elif power == "True":
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2022-05-16 19:40:03 +00:00
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power = "True"
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2022-05-16 19:39:21 +00:00
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return 'Power: ON'
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elif power == "False":
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2022-05-16 19:40:03 +00:00
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power = "False"
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2022-05-16 19:39:21 +00:00
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return 'Power: OFF'
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2022-03-26 19:39:25 +00:00
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2022-07-01 20:49:15 +00:00
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def mqtt_on_message(client, userdata, msg):
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print("topic: " ,str(msg.topic))
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print("payload: " ,str(msg.payload.decode("utf-8")))
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topic = str(msg.topic)
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payload = str(msg.payload.decode("utf-8"))
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2022-07-01 21:19:42 +00:00
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if topic == "server-rack-led/power":
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2022-07-01 20:55:57 +00:00
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global power
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2022-07-01 20:49:15 +00:00
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power = payload
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2022-07-01 21:19:42 +00:00
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elif topic == "server-rack-led/rgb":
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2022-07-01 22:23:32 +00:00
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splitted_payload = payload.split(",")
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2022-07-01 20:55:57 +00:00
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global r
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2022-07-01 22:23:32 +00:00
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r = str(splitted_payload[0])
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2022-07-01 21:22:50 +00:00
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global g
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2022-07-01 22:23:32 +00:00
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g = str(splitted_payload[1])
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2022-07-01 21:22:50 +00:00
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global b
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2022-07-01 22:23:32 +00:00
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b = str(splitted_payload[2])
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2022-07-01 20:49:15 +00:00
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2022-07-01 21:19:42 +00:00
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elif topic == "server-rack-led/mode":
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2022-07-01 20:49:15 +00:00
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if payload == "0":
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2022-07-01 20:55:57 +00:00
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global mode
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2022-07-01 20:49:15 +00:00
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mode = 0
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elif payload == "1":
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mode = 1
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2022-05-16 18:56:11 +00:00
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strip = Adafruit_NeoPixel(LED_COUNT, LED_PIN, LED_FREQ_HZ, LED_DMA, LED_INVERT, LED_BRIGHTNESS, LED_CHANNEL)
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strip.begin()
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2022-05-16 18:57:58 +00:00
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2022-05-16 19:23:10 +00:00
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mode = 0
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2022-05-16 19:38:15 +00:00
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power = "True"
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2022-05-16 19:23:10 +00:00
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2022-05-16 19:31:43 +00:00
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threading.Thread(target=lambda: app.run(host='0.0.0.0', port=80)).start()
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2022-05-16 18:57:58 +00:00
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2022-06-29 19:59:06 +00:00
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mqttBroker ="homeassistant.ping-mee.local"
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2022-07-01 21:19:42 +00:00
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client = mqtt.Client("server_rack_led")
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2022-06-29 20:06:39 +00:00
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client.username_pw_set("mqtt", "pmMQTT_11!")
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debug_print("Connecting to MQTT Broker "+str(mqttBroker))
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2022-06-29 19:59:06 +00:00
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client.connect(mqttBroker)
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client.on_connect = mqtt_on_connect
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2022-07-01 20:32:30 +00:00
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client.on_message = mqtt_on_message
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2022-07-01 20:26:11 +00:00
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2022-07-01 21:19:42 +00:00
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client.publish("server-rack-led/power","True")
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client.publish("server-rack-led/mode","0")
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2022-07-01 20:28:36 +00:00
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2021-11-08 20:36:55 +00:00
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try:
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2022-07-01 20:46:56 +00:00
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client.loop_start()
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2021-11-08 20:36:55 +00:00
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while True:
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2022-05-16 19:38:15 +00:00
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if power == "True":
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2022-05-16 19:23:10 +00:00
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if mode == 0:
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rainbowCycle(strip)
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2022-07-01 20:28:36 +00:00
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2022-05-16 19:23:10 +00:00
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elif mode == 1:
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setColor(strip, Color(int(r), int(g), int(b)))
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2022-04-28 14:46:41 +00:00
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time.sleep(1)
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2021-11-09 22:16:38 +00:00
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else:
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setColor(strip, Color(0,0,0))
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time.sleep(1)
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2022-07-01 20:28:36 +00:00
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2021-11-08 20:36:55 +00:00
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except KeyboardInterrupt:
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2022-07-01 20:46:56 +00:00
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client.loop_stop()
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2021-11-09 17:29:50 +00:00
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setColor(strip, Color(0,0,0))
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2022-04-28 14:48:23 +00:00
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GPIO.cleanup()
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