mirror of
https://github.com/Pablo2048/modbus-rtu-master.git
synced 2025-11-01 00:18:35 +01:00
123 lines
4.5 KiB
HTML
123 lines
4.5 KiB
HTML
<!DOCTYPE html>
|
|
<html lang="cs">
|
|
<head>
|
|
<meta charset="UTF-8">
|
|
<meta http-equiv="X-UA-Compatible" content="IE=edge">
|
|
<meta name="viewport" content="width=device-width, initial-scale=1.0">
|
|
<title>Modbus RTU Web App</title>
|
|
<style>
|
|
body {
|
|
font-family: Arial, sans-serif;
|
|
display: flex;
|
|
flex-direction: column;
|
|
align-items: center;
|
|
justify-content: center;
|
|
height: 100vh;
|
|
}
|
|
#register-value {
|
|
font-size: 2em;
|
|
margin-top: 20px;
|
|
}
|
|
#error-message {
|
|
color: red;
|
|
margin-top: 10px;
|
|
}
|
|
button, input, select {
|
|
padding: 10px;
|
|
margin: 5px;
|
|
font-size: 1em;
|
|
cursor: pointer;
|
|
}
|
|
label {
|
|
margin-top: 10px;
|
|
}
|
|
</style>
|
|
</head>
|
|
<body>
|
|
<h1>Modbus RTU Web Application</h1>
|
|
<div>
|
|
<label for="baudRate">Baud Rate:</label>
|
|
<input type="number" id="baudRate" value="38400">
|
|
<label for="dataBits">Data Bits:</label>
|
|
<select id="dataBits">
|
|
<option value="7">7</option>
|
|
<option value="8" selected>8</option>
|
|
</select>
|
|
<label for="stopBits">Stop Bits:</label>
|
|
<select id="stopBits">
|
|
<option value="1" selected>1</option>
|
|
<option value="2">2</option>
|
|
</select>
|
|
<label for="parity">Parity:</label>
|
|
<select id="parity">
|
|
<option value="none" selected>None</option>
|
|
<option value="even">Even</option>
|
|
<option value="odd">Odd</option>
|
|
</select>
|
|
<label for="timeout">Timeout (ms):</label>
|
|
<input type="number" id="timeout" value="300">
|
|
</div>
|
|
<button id="connect-btn">Připojit k sériovému portu</button>
|
|
<div id="register-value">Hodnota registru: <span id="value">N/A</span></div>
|
|
<div id="error-message"></div>
|
|
<script>
|
|
window.LOG_LEVEL = 'VERBOSE';
|
|
window.ENABLED_MODULES = ['*'];
|
|
</script>
|
|
<script src="https://pablo2048.github.io/trace.js/src/trace.js"></script>
|
|
<script src="../src/modbus-rtu-master.js"></script>
|
|
<script>
|
|
let modbus;
|
|
const connectButton = document.getElementById('connect-btn');
|
|
const valueDisplay = document.getElementById('value');
|
|
const errorDisplay = document.getElementById('error-message');
|
|
let intervalId = null;
|
|
|
|
// Funkce pro získání hodnot z formuláře
|
|
function getConfig() {
|
|
return {
|
|
baudRate: parseInt(document.getElementById('baudRate').value),
|
|
dataBits: parseInt(document.getElementById('dataBits').value),
|
|
stopBits: parseInt(document.getElementById('stopBits').value),
|
|
parity: document.getElementById('parity').value,
|
|
timeout: parseInt(document.getElementById('timeout').value),
|
|
};
|
|
}
|
|
|
|
// Funkce pro aktualizaci hodnoty registru každých 5 sekund
|
|
async function updateRegisterValue() {
|
|
try {
|
|
// Čtení registru s adresou 0x0000 z zařízení s ID 0x19
|
|
const values = await modbus.readInputRegisters(0x19, 0x0000, 3);
|
|
|
|
if (values && values.length > 0) {
|
|
// Zobrazí hodnotu prvního (a jediného) registru
|
|
const registerValue = values[0];
|
|
valueDisplay.textContent = registerValue;
|
|
errorDisplay.textContent = ''; // Vymazat případné staré chyby
|
|
} else {
|
|
TRACE_ERROR("", 'Neplatná odpověď:', values);
|
|
valueDisplay.textContent = 'Error';
|
|
errorDisplay.textContent = 'Invalid response received.';
|
|
}
|
|
} catch (error) {
|
|
TRACE_ERROR("", 'Chyba při čtení registru:', error);
|
|
valueDisplay.textContent = 'Error';
|
|
errorDisplay.textContent = error.message || 'Unknown error occurred.';
|
|
}
|
|
}
|
|
|
|
// Připojení k sériovému portu a spuštění čtení
|
|
connectButton.addEventListener('click', async () => {
|
|
const config = getConfig();
|
|
modbus = new ModbusRTUMaster(config);
|
|
await modbus.connect();
|
|
if (intervalId === null) {
|
|
intervalId = setInterval(updateRegisterValue, 5000); // Každých 5 sekund
|
|
}
|
|
});
|
|
TRACE_INFO("", "Starting...");
|
|
</script>
|
|
</body>
|
|
</html>
|