PHP code example of zeran / async-serial-port

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

zeran / async-serial-port example snippets

use React\EventLoop\Loop;
use Zeran\SerialPort\AsyncSerialPort;
use Zeran\SerialPort\SerialPortConfiguration;
use Zeran\SerialPort\Enum\BaudRateEnum;
use Zeran\SerialPort\Enum\EventEnum;

// Create event loop
$loop = Loop::get();

// Configure serial port
$config = new SerialPortConfiguration(
    device: '/dev/ttyUSB0',  // Change to your device path
    platform: PHP_OS,
    baud: BaudRateEnum::BAUD_115200
);

// Optional: Configure additional parameters
$config->dataBits = \Zeran\SerialPort\Enum\BitsEnum::DATA_BITS_8;
$config->stopBits = \Zeran\SerialPort\Enum\BitsEnum::STOP_BITS_1;
$config->parity = \Zeran\SerialPort\Enum\ParityEnum::PARITY_NONE;
$config->xon = false;
$config->octs = false;
$config->rts = false;
$config->dtr = false;
$config->chunkSize = 256;

// Create serial port with event handler
$serialPort = new AsyncSerialPort($config, $loop, function (EventEnum $event, $data) {
    switch ($event) {
        case EventEnum::DATA->value:
            echo "Received data: " . bin2hex($data) . PHP_EOL;
            break;
        case EventEnum::ERROR->value:
            echo "Error: " . $data->getMessage() . PHP_EOL;
            break;
        case EventEnum::CLOSE->value:
            echo "Port closed" . PHP_EOL;
            break;
        case EventEnum::WRITE->value:
            echo "Data written successfully" . PHP_EOL;
            break;
    }
});

try {
    // Open the serial port
    $serialPort->open();
    
    // Write data to the port
    $serialPort->write("AT\r\n");
    
    // Run the event loop
    $loop->run();
} catch (\Zeran\SerialPort\Exception\SerialPortException $e) {
    echo "Serial port error: " . $e->getMessage() . PHP_EOL;
}

use Zeran\SerialPort\Enum\BaudRateEnum;

$config = new SerialPortConfiguration(
    device: '/dev/ttyUSB0',
    platform: PHP_OS,
    baud: BaudRateEnum::BAUD_9600
);

use Psr\Log\LoggerInterface;
use Monolog\Logger;
use Monolog\Handler\StreamHandler;

// Create a logger
$logger = new Logger('serial_port');
$logger->pushHandler(new StreamHandler('path/to/your.log', Logger::DEBUG));

// Pass it to the serial port
$serialPort = new AsyncSerialPort($config, $loop, $callback);
$serialPort->setLogger($logger);

$logger = new Logger('serial_port');
$logger->pushHandler(new StreamHandler('php://stdout', Logger::DEBUG));
$serialPort->setLogger($logger);