127 lines
4.2 KiB
PHP
127 lines
4.2 KiB
PHP
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<?php
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declare(strict_types=1);
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require_once __DIR__ . '/vendor/autoload.php';
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use PhpMqtt\Client\MqttClient;
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use PhpMqtt\Client\ConnectionSettings;
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// Configuração da BD
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$dbHost="localhost"; $dbName="cagalhao"; $dbUser="master"; $dbPass="master";
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try {
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$db = new PDO("mysql:host=$dbHost;dbname=$dbName;charset=utf8",$dbUser,$dbPass);
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$db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
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} catch(Throwable $e) {
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die("Erro na BD: " . $e->getMessage());
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}
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// Configuração do MQTT
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$mqttHost='xupas.mooo.com'; $mqttPort=1883; $mqttUser='xupa'; $mqttPass='xupa';
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// Função para enviar comando
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function sendMqttCommand(string $espId, int $pin, int $value): bool {
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global $mqttHost, $mqttPort, $mqttUser, $mqttPass;
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try {
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$clientId = "gpio-panel-".uniqid();
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$settings = (new ConnectionSettings())
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->setUsername($mqttUser)
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->setPassword($mqttPass)
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->setKeepAliveInterval(10)
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->setConnectTimeout(3)
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->setSocketTimeout(3);
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$mqtt = new MqttClient($mqttHost, $mqttPort, $clientId);
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$mqtt->connect($settings, true);
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$payload = json_encode([
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'cmd' => 'GPIO',
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'pin' => $pin,
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'value' => $value
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]);
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$topic = "esp/{$espId}/cmd";
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$mqtt->publish($topic, $payload, 0, false);
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$mqtt->disconnect();
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return true;
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} catch (Throwable $e) {
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error_log("MQTT-ERR) " . $e->getMessage());
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return false;
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}
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}
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// Processar pedidos
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if ($_SERVER['REQUEST_METHOD'] === 'POST') {
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$esp = $_POST['esp'] ?? '';
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$pin = intval($_POST['pin'] ?? -1);
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$val = intval($_POST['value'] ?? -1);
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if ($esp && $pin >= 0 && ($val === 0 || $val === 1)) {
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$ok = sendMqttCommand($esp, $pin, $val);
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if ($ok) {
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$msg = "✅ Comando enviado: {$esp} → Pino {$pin} → ".($val ? "ON" : "OFF");
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} else {
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$msg = "❌ Falha ao enviar comando para {$esp}";
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}
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} else {
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$msg = "⚠️ Parâmetros inválidos";
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}
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}
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// Buscar ESPs registados
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$stmt = $db->query("SELECT uid, online, last_seen FROM contadores ORDER BY uid ASC");
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$esps = $stmt->fetchAll(PDO::FETCH_ASSOC);
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?>
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<!DOCTYPE html>
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<html lang="pt">
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<head>
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<meta charset="UTF-8">
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<title>Controle GPIO via MQTT</title>
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<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css">
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</head>
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<body class="bg-dark text-light">
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<div class="container py-4">
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<h1 class="mb-4">⚡ Controle de GPIO (MQTT)</h1>
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<?php if (!empty($msg)): ?>
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<div class="alert alert-info"><?= htmlspecialchars($msg) ?></div>
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<?php endif; ?>
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<table class="table table-dark table-striped table-bordered align-middle">
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<thead>
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<tr>
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<th>ESP</th>
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<th>Status</th>
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<th>Último Sinal</th>
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<th>Pino</th>
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<th>Ação</th>
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</tr>
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</thead>
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<tbody>
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<?php foreach ($esps as $esp): ?>
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<tr>
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<td><?= htmlspecialchars($esp['uid']) ?></td>
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<td>
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<?php if ($esp['online']): ?>
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<span class="badge bg-success">Online</span>
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<?php else: ?>
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<span class="badge bg-danger">Offline</span>
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<?php endif; ?>
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</td>
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<td><?= htmlspecialchars($esp['last_seen']) ?></td>
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<td>
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<form method="post" class="d-flex gap-2">
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<input type="hidden" name="esp" value="<?= htmlspecialchars($esp['uid']) ?>">
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<input type="number" name="pin" min="0" max="16" class="form-control form-control-sm" required>
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</td>
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<td>
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<button type="submit" name="value" value="1" class="btn btn-success btn-sm">ON</button>
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<button type="submit" name="value" value="0" class="btn btn-danger btn-sm">OFF</button>
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</form>
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</td>
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</tr>
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<?php endforeach; ?>
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</tbody>
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</table>
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</div>
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</body>
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</html>
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