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Get TM-T20II Epson ASB status through UDP socket
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/* | |
* $status = { | |
* "status": "online" | "offline", | |
* "cover": "open" | "closed", (opt) | |
* "feeding": "feeding" | "not", (opt) | |
* "autocutterError": "error" | "not", (opt) | |
* "unrecoverableError": "error" | "not", (opt) | |
* "recoverableError": "error" | "not", (opt) | |
* "paper": "paperEnd" | "paperPresent" (opt) | |
* } | |
* See https://www.epson-biz.com/modules/pos/index.php?page=single_doc&cid=1600 | |
*/ | |
function getStatus($printerIp, $debug = false) { | |
$status = array(); | |
$printerPort = 3289; | |
$socket = socket_create(AF_INET, SOCK_DGRAM, SOL_UDP); | |
if ($socket === false) { | |
//echo "socket_create() failed: reason: " . socket_strerror(socket_last_error()) . "\n"; | |
$status["status"] = "offline"; | |
return $status; | |
} else { | |
$timeout = array('sec' => 10, 'usec' => 0); | |
socket_set_option($socket, SOL_SOCKET, SO_RCVTIMEO, $timeout); | |
$outputString = "EPSON"; | |
$outputString .= "Q"; // PacketType (Q) | |
$outputString .= "\x03"; // DeviceType(3) | |
$outputString .= "\x00"; // DeviceNumber(0) | |
$outputString .= "\x00"; // Function(0010h) | |
$outputString .= "\x10"; // Function(0010h) | |
$outputString .= "\x00"; // Result | |
$outputString .= "\x00"; | |
$outputString .= "\x00"; // parameter length Length | |
$outputString .= "\x00"; | |
$len = strlen($outputString); | |
if (false !== socket_sendto($socket, $outputString, $len, 0, $printerIp, $printerPort)) { | |
if (false !== ($bytes = socket_recv($socket, $buf, 2048, MSG_WAITALL))) { | |
//echo "Read $bytes bytes from socket_recv(). Closing socket..."; | |
//if (($buf[10] == "\x00") && ($buf[11] == "\x00")) { | |
if ($debug) { | |
for ($i = 0; $i < 27; $i++) { | |
echo $i . ": " . bin2hex($buf[$i]) . "<br>"; | |
echo $i . ": " . str_pad(decbin(ord($buf[$i])), 8, '0', STR_PAD_LEFT) . "<br>"; | |
} | |
echo "<br>"; | |
} | |
if (ord($buf[15]) & pow(2, 3)) { | |
$statusValue = "offline"; | |
} else { | |
$statusValue = "online"; | |
} | |
$status["status"] = $statusValue; | |
if (ord($buf[15]) & pow(2, 5)) { | |
$cover = "open"; | |
} else { | |
$cover = "closed"; | |
} | |
$status["cover"] = $cover; | |
if (ord($buf[15]) & pow(2, 6)) { | |
$feeding = "feeding"; | |
} else { | |
$feeding = "not"; | |
} | |
$status["feeding"] = $feeding; | |
if (ord($buf[16]) & pow(2, 3)) { | |
$autocutter = "error"; | |
} else { | |
$autocutter = "not"; | |
} | |
$status["autocutterError"] = $autocutter; | |
if (ord($buf[16]) & pow(2, 5)) { | |
$unrecoverableError = "error"; | |
} else { | |
$unrecoverableError = "not"; | |
} | |
$status["unrecoverableError"] = $unrecoverableError; | |
if (ord($buf[16]) & pow(2, 6)) { | |
$recoverableError = "error"; | |
} else { | |
$recoverableError = "not"; | |
} | |
$status["recoverableError"] = $recoverableError; | |
if ((ord($buf[17]) & pow(2, 2)) && | |
(ord($buf[17]) & pow(2, 3))) { | |
$paperStatus = "paperEnd"; | |
} else { | |
$paperStatus = "paperPresent"; | |
} | |
$status["paper"] = $paperStatus; | |
//} | |
} else { | |
//echo "socket_recv() failed; reason: " . socket_strerror(socket_last_error($socket)) . "\n"; | |
$status["status"] = "offline"; | |
} | |
} else { | |
//echo "socket_sendto() failed"; | |
$status["status"] = "offline"; | |
} | |
socket_close($socket); | |
return $status; | |
} |
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