feat: Implement a Deye inverter monitoring web application with Flask, pysolarmanv5, and a basic HTML dashboard.
This commit is contained in:
Vladyslav Doloman
66
app.py
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66
app.py
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from flask import Flask, jsonify, render_template
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from pysolarmanv5 import PySolarmanV5
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import config
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app = Flask(__name__)
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def get_inverter_data():
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"""
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Connects to the inverter and reads voltage registers.
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Returns a dictionary with the data.
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"""
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try:
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inverter = PySolarmanV5(
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config.INVERTER_IP,
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config.INVERTER_SERIAL,
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port=config.INVERTER_PORT,
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mb_slave_id=config.INVERTER_SLAVE_ID,
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verbose=False
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)
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# Registers to read:
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# 150: Grid Voltage (Input Voltage) - 0.1V
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# 154: Output Voltage - 0.1V
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# 157: Load Voltage - 0.1V
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# Reading individually for simplicity, though block read is more efficient if contiguous
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# But these are slightly apart (150, 154, 157).
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# We can read a block from 150 to 157 (8 registers) and parse.
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# Let's read block starting at 150, length 8.
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# 150 -> Index 0
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# 154 -> Index 4
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# 157 -> Index 7
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raw_data = inverter.read_holding_registers(register_addr=150, quantity=8)
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input_voltage = raw_data[0] * 0.1
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output_voltage = raw_data[4] * 0.1
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load_voltage = raw_data[7] * 0.1
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inverter.disconnect()
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return {
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"input_voltage": round(input_voltage, 1),
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"output_voltage": round(output_voltage, 1),
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"load_voltage": round(load_voltage, 1),
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"status": "success"
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}
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except Exception as e:
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return {
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"status": "error",
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"message": str(e)
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}
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@app.route('/')
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def index():
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return render_template('index.html')
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@app.route('/api/data')
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def api_data():
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data = get_inverter_data()
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return jsonify(data)
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if __name__ == '__main__':
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app.run(debug=True, host='0.0.0.0')
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6
config.py
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6
config.py
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# Inverter Configuration
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# Replace with your actual Inverter IP and Serial Number
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INVERTER_IP = "192.168.1.X"
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INVERTER_SERIAL = 1234567890
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INVERTER_PORT = 8899
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INVERTER_SLAVE_ID = 1
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2
requirements.txt
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2
requirements.txt
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flask
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pysolarmanv5
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203
templates/index.html
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203
templates/index.html
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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 name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Deye Inverter Monitor</title>
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<style>
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:root {
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--bg-color: #1a1a1a;
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--card-bg: #2d2d2d;
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--text-color: #e0e0e0;
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--accent-color: #00d2ff;
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--secondary-accent: #3a7bd5;
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--font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
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}
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body {
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background-color: var(--bg-color);
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color: var(--text-color);
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font-family: var(--font-family);
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margin: 0;
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padding: 20px;
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display: flex;
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flex-direction: column;
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align-items: center;
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min-height: 100vh;
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}
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h1 {
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margin-bottom: 40px;
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font-weight: 300;
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letter-spacing: 2px;
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text-transform: uppercase;
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background: linear-gradient(45deg, var(--accent-color), var(--secondary-accent));
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-webkit-background-clip: text;
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-webkit-text-fill-color: transparent;
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}
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.dashboard {
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display: grid;
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grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
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gap: 20px;
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width: 100%;
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max-width: 1000px;
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}
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.card {
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background-color: var(--card-bg);
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border-radius: 15px;
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padding: 25px;
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text-align: center;
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box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
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transition: transform 0.3s ease, box-shadow 0.3s ease;
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position: relative;
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overflow: hidden;
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}
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.card:hover {
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transform: translateY(-5px);
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box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
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}
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.card::before {
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content: '';
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position: absolute;
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top: 0;
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left: 0;
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width: 100%;
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height: 4px;
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background: linear-gradient(90deg, var(--accent-color), var(--secondary-accent));
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}
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.card h2 {
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margin: 0 0 15px 0;
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font-size: 1.2rem;
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color: #aaa;
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font-weight: 400;
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}
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.value {
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font-size: 2.5rem;
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font-weight: 700;
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color: #fff;
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}
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.unit {
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font-size: 1rem;
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color: #888;
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margin-left: 5px;
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}
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.status-bar {
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margin-top: 40px;
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padding: 10px 20px;
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border-radius: 20px;
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background-color: var(--card-bg);
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font-size: 0.9rem;
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color: #888;
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}
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.status-indicator {
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display: inline-block;
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width: 10px;
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height: 10px;
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border-radius: 50%;
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background-color: #555;
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margin-right: 8px;
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}
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.status-indicator.active {
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background-color: #00ff88;
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box-shadow: 0 0 10px #00ff88;
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}
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.status-indicator.error {
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background-color: #ff4444;
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box-shadow: 0 0 10px #ff4444;
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}
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@keyframes pulse {
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0% { opacity: 1; }
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50% { opacity: 0.5; }
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100% { opacity: 1; }
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}
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.loading .value {
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animation: pulse 1.5s infinite;
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color: #666;
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}
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</style>
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</head>
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<body>
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<h1>Deye Inverter Monitor</h1>
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<div class="dashboard">
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<div class="card" id="card-input">
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<h2>Grid Voltage (Input)</h2>
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<div class="value-container loading">
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<span class="value" id="input-voltage">--</span><span class="unit">V</span>
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</div>
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</div>
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<div class="card" id="card-output">
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<h2>Output Voltage</h2>
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<div class="value-container loading">
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<span class="value" id="output-voltage">--</span><span class="unit">V</span>
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</div>
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</div>
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<div class="card" id="card-load">
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<h2>Load Voltage</h2>
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<div class="value-container loading">
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<span class="value" id="load-voltage">--</span><span class="unit">V</span>
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</div>
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</div>
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</div>
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<div class="status-bar">
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<span class="status-indicator" id="status-dot"></span>
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<span id="status-text">Connecting...</span>
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</div>
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<script>
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const inputVoltageEl = document.getElementById('input-voltage');
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const outputVoltageEl = document.getElementById('output-voltage');
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const loadVoltageEl = document.getElementById('load-voltage');
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const statusDot = document.getElementById('status-dot');
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const statusText = document.getElementById('status-text');
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const valueContainers = document.querySelectorAll('.value-container');
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async function fetchData() {
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try {
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const response = await fetch('/api/data');
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const data = await response.json();
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if (data.status === 'success') {
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inputVoltageEl.textContent = data.input_voltage;
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outputVoltageEl.textContent = data.output_voltage;
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loadVoltageEl.textContent = data.load_voltage;
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statusDot.className = 'status-indicator active';
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statusText.textContent = 'Connected';
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valueContainers.forEach(el => el.classList.remove('loading'));
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} else {
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throw new Error(data.message || 'Unknown error');
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}
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} catch (error) {
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console.error('Error fetching data:', error);
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statusDot.className = 'status-indicator error';
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statusText.textContent = 'Error: ' + error.message;
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// Don't reset values to '--' immediately to avoid flickering if it's just a transient network blip,
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// but maybe indicate stale data if needed. For now, keep last known values.
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}
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}
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// Fetch immediately, then every 5 seconds
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fetchData();
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setInterval(fetchData, 5000);
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</script>
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</body>
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</html>
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