<?php
require_once 'Tinkerforge/IPConnection.php';
require_once 'Tinkerforge/BrickletPressure.php';
use Tinkerforge\IPConnection;
use Tinkerforge\BrickletPressure;
const HOST = 'localhost';
const PORT = 4223;
const UID = 'XYZ';
// Change XYZ to the UID of your Pressure Bricklet
// Callback function for pressure reached callback (parameter has unit Pa)
function cb_pressureReached($pressure)
{
echo "Pressure: " . $pressure / 1000.0 . " kPa\n";
}
$ipcon = new IPConnection();
// Create IP connection
$p = new BrickletPressure(UID, $ipcon);
// Create device object
$ipcon->connect(HOST, PORT);
// Connect to brickd
// Don't use device before ipcon is connected
// Get threshold callbacks with a debounce time of 10 seconds (10000ms)
$p->setDebouncePeriod(10000);
// Register pressure reached callback to function cb_pressureReached
$p->registerCallback(BrickletPressure::CALLBACK_PRESSURE_REACHED, 'cb_pressureReached');
// Configure threshold for pressure "greater than 10 kPa" (unit is Pa)
$p->setPressureCallbackThreshold('>', 10 * 1000, 0);
echo "Press ctrl+c to exit\n";
$ipcon->dispatchCallbacks(-1);
// Dispatch callbacks forever