<?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"; $ipcon->dispatchCallbacks(-1); // Dispatch callbacks forever
<?php require_once 'Tinkerforge/IPConnection.php'; require_once 'Tinkerforge/BrickletPressure.php'; use Tinkerforge\IPConnection; use Tinkerforge\BrickletPressure; const HOST = 'localhost'; const PORT = 4223; const UID = 'XYZ'; // Change XYZ to the UID of your Pressure Bricklet // Callback function for pressure callback (parameter has unit Pa) function cb_pressure($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 // Register pressure callback to function cb_pressure $p->registerCallback(BrickletPressure::CALLBACK_PRESSURE, 'cb_pressure'); // Set period for pressure callback to 1s (1000ms) // Note: The pressure callback is only called every second // if the pressure has changed since the last call! $p->setPressureCallbackPeriod(1000); echo "Press ctrl+c to exit\n"; $ipcon->dispatchCallbacks(-1); // Dispatch callbacks forever
<?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 $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 current pressure (unit is Pa) $pressure = $p->getPressure(); echo "Pressure: " . $pressure / 1000.0 . " kPa\n"; echo "Press key to exit\n"; fgetc(fopen('php://stdin', 'r')); $ipcon->disconnect();