resto-dhepot/packages/escpos-php/example/interface/linux-usb.php

35 lines
1.1 KiB
PHP

<?php
/* Change to the correct path if you copy this example! */
require __DIR__ . '/../../vendor/autoload.php';
use Zelda\EscposPhp\Printer;
use Zelda\EscposPhp\PrintConnectors\FilePrintConnector;
/**
* On Linux, use the usblp module to make your printer available as a device
* file. This is generally the default behaviour if you don't install any
* vendor drivers.
*
* Once this is done, use a FilePrintConnector to open the device.
*
* Troubleshooting: On Debian, you must be in the lp group to access this file.
* dmesg to see what happens when you plug in your printer to make sure no
* other drivers are unloading the module.
*/
try {
// Enter the device file for your USB printer here
$connector = new FilePrintConnector("/dev/usb/lp0");
//$connector = new FilePrintConnector("/dev/usb/lp1");
//$connector = new FilePrintConnector("/dev/usb/lp2");
/* Print a "Hello world" receipt" */
$printer = new Printer($connector);
$printer->text("Hello World!\n");
$printer->cut();
/* Close printer */
$printer->close();
} catch (Exception $e) {
echo "Couldn't print to this printer: " . $e->getMessage() . "\n";
}