BikeControl.php 18 KB

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  1. <?php
  2. /**
  3. * Created by PhpStorm.
  4. * User: Mead
  5. * Date: 2019/9/5
  6. * Time: 9:36 PM
  7. */
  8. namespace App\Handlers;
  9. use GatewayClient\Gateway;
  10. use Illuminate\Support\Facades\Redis;
  11. class BikeControl
  12. {
  13. private static $start = 'AA AA';
  14. //分割符
  15. const SPLIT_TAG = 'bbbb';
  16. // 控制指令
  17. const CMD_REMOTE_CONTROL = '06';
  18. // 远程查询
  19. const CMD_REMOTE_SELECT = '07';
  20. // 播放语言指令
  21. const CMD_REMOTE_VOICE = '0C';
  22. //远程设置参数
  23. const CMD_REMOTE_CONFIG = '08';
  24. /**
  25. * 控制指令(服务器下发)
  26. */
  27. //保留
  28. // const CONTROL_DEFAULT = '00';
  29. //远程设防(业务关锁)
  30. const CONTROL_REMOTE_CLOSE_LOCK = '01';
  31. // 远程撤防
  32. const CONTROL_REMOTE_CHE_FANG = '02';
  33. // 远程重启
  34. const CONTROL_REMOTE_CHONG_QI = '03';
  35. // 远程关机
  36. const CONTROL_REMOTE_GUAN_JI = '04';
  37. // 恢复出差设置
  38. const CONTROL_HUI_FU_CHU_CHANG = '05';
  39. // 保留
  40. // const CONTROL_REMOTE_NO = '06';
  41. // 保留
  42. // const CONTROL_REMOTE_NO = '07';
  43. // 立即定位
  44. const CONTROL_REMOTE_LOCATION = '08';
  45. //远程寻车(带寻车提示音)
  46. const CONTROL_REMOTE_FIND_BIKE = '09';
  47. // 远程重启蓝牙模块
  48. const CONTROL_REMOTE_REBOOT_LAN_YA = '0A';
  49. //远程开锁(业务开锁)
  50. const CONTROL_REMOTE_UNLOCK = '0B';
  51. //远程加锁
  52. const CONTROL_REMOTE_SHUT_UNLOCK = '0C';
  53. // 主动查询终端电池信息
  54. const CONTROL_GET_BATTERY_INFO = '0D';
  55. //主动查询控制器信息
  56. const CONTROL_GET_BOX_INFO = '0E';
  57. //远程打开电池锁
  58. const CONTROL_REMOTE_OPEN_BATTERY_LOCK = '0F';
  59. //远程关闭电池锁
  60. const CONTROL_REMOTE_CLOSE_BATTERY_LOCK = '10';
  61. //关闭远程寻车(待寻车提示音)
  62. const CONTROL_REMOTE_CLOSE_BELL = '11';
  63. //远程重启整个系统
  64. const CONTROL_REMOTE_REBOOT_SYSTEM = '12';
  65. //远程格式化主控制器
  66. const CONTROL_REMOTE_FORMAT_BOX = '13';
  67. //外部USB供电使能
  68. const CONTROL_REMOTE_USB_OK = '14';
  69. //外部USB供电失能
  70. const CONTROL_REMOTE_USB_NO = '15';
  71. //远程打开轮毂锁
  72. const CONTROL_REMOTE_OPEN_HUB_LOCK = '16';
  73. //远程关闭轮毂锁
  74. const CONTROL_REMOTE_CLOSE_HUB_LOCK = '17';
  75. // const CONTROL_REMOTE_CLOSE_LOCK = '18';
  76. //提示终端超出运营区域进行语音播报
  77. const CONTROL_OUT_AREA_PLAY_VOICE = '19';
  78. //提示终端进入运营区域关闭语音播放
  79. const CONTROL_OUT_AREA_CLOSE_VOICE = '1A';
  80. //出电子围栏直接失能ACC(仅限制在借车状态使用)
  81. const CONTROL_OUT_AREA_LOST_ELECTRIC = '1B';
  82. //入电子围栏直接使能ACC(仅限制在借车状态使用)
  83. const CONTROL_OUT_AREA_OPEN_ELECTRIC = '1C';
  84. // 打开后座
  85. const CONTROL_REMOTE_OPEN_BACKSEAT = '20';
  86. //关闭后座锁
  87. const CONTROL_REMOTE_CLOSE_BACKSEAT = '21';
  88. //远程临时关锁
  89. const CONTROL_REMOTE_TEMPORARY_CLOSE_LOCK = '30';
  90. //远程临时开锁
  91. const CONTROL_REMOTE_TEMPORARY_UNLOCK = '31';
  92. //进入运输模式
  93. const CONTROL_TRANSPORTATION_MODE = '32';
  94. //立即上传融合定位包
  95. const CONTROL_NOW_UP_LOCATION = '33';
  96. /**
  97. * 语言指令(警告指令)
  98. */
  99. // 警告命令
  100. const WARNING_SPARE_BATTERY_LOW = '00';
  101. const WARNING_SHOCK = '01';
  102. const WARNING_FORCE_OPEN_ELECTRIC = '02';
  103. const WARNING_OUT_AREA_PLAY_VIDEO = '03';
  104. const WARNING_BMS = '04';
  105. const WARNING_STOP_ELECTRIC = '05';
  106. const WARNING_OVER_SPEED = '06';
  107. const WARNING_WHEEL_MOVEMENT = '07';
  108. const WARNING_BIKE_TROUBLE = '08';
  109. /**
  110. * 语音指令
  111. * @var string
  112. */
  113. // 欢迎使用共享电单车
  114. const VIDEO_WELCOME = '01';
  115. // 没电了,请换一辆车
  116. const VIDEO_NO_ELECTRIC = '02';
  117. // 骑出运营区,请尽快返回
  118. const VIDEO_OUT_AREA = '03';
  119. // 报警音,车辆未解锁,请扫描骑行
  120. const VIDEO_WARNING = '04';
  121. // HI,主人,我在这辆车。
  122. const VIDEO_BIKE_HERE = '05';
  123. // 还车成功,欢迎再次使用共享电单车
  124. const VIDEO_CLOSE_BIKE = '06';
  125. // 寻车提示音
  126. const VIDEO_FIND_BIKE = '07';
  127. // 临时锁车
  128. const VIDEO_T_CLOSE_BIKE = '08';
  129. // 当前不在停车点,请在手机查看停车点
  130. const VIDEO_NO_STOP_SITE = '09';
  131. // 电池锁已打开
  132. const VIDEO_BATTERY_OPEN = '0A';
  133. // 电池锁已关闭
  134. const VIDEO_BATTERY_CLOSE = '0B';
  135. // 距离服务区过远,车辆即将断电。
  136. const VIDEO_OUT_AREA_CLOSE_ELECTRIC = '0C';
  137. // 已超速,请注意减速慢行
  138. const VIDEO_OUT_SPEED = '0D';
  139. // 车铃音
  140. const VIDEO_BIKE_DELL = '0E';
  141. public static $registerAddress = 'node1:1238';
  142. /**
  143. * 开车
  144. * @param $box_no
  145. * @return bool
  146. * User: Mead
  147. */
  148. public static function openLock($box_no)
  149. {
  150. $msg_id = self::makeMsgId($box_no, 'C', self::CONTROL_REMOTE_UNLOCK);
  151. $str = self::makeSendMsg(self::CONTROL_REMOTE_UNLOCK, $msg_id);
  152. self::send($box_no, $str);
  153. return true;
  154. }
  155. /**
  156. * 关锁
  157. * @param $box_no
  158. * @return bool
  159. * User: Mead
  160. */
  161. public static function closeLock($box_no)
  162. {
  163. $msg_id = self::makeMsgId($box_no, 'C', self::CONTROL_REMOTE_CLOSE_LOCK);
  164. $str = self::makeSendMsg(self::CONTROL_REMOTE_CLOSE_LOCK, $msg_id);
  165. self::send($box_no, $str);
  166. return true;
  167. }
  168. /**
  169. * 临时关锁
  170. * @param $box_no
  171. * @return bool
  172. * User: Mead
  173. */
  174. public static function temporaryCloseLock($box_no)
  175. {
  176. $msg_id = self::makeMsgId($box_no, 'C', self::CONTROL_REMOTE_TEMPORARY_CLOSE_LOCK);
  177. $str = self::makeSendMsg(self::CONTROL_REMOTE_TEMPORARY_CLOSE_LOCK, $msg_id);
  178. self::send($box_no, $str);
  179. return true;
  180. }
  181. /**
  182. * 临时开锁
  183. * @param $box_no
  184. * @return bool
  185. * User: Mead
  186. */
  187. public static function temporaryOpnLock($box_no)
  188. {
  189. $msg_id = self::makeMsgId($box_no, 'C', self::CONTROL_REMOTE_TEMPORARY_UNLOCK);
  190. $str = self::makeSendMsg(self::CONTROL_REMOTE_TEMPORARY_UNLOCK, $msg_id);
  191. self::send($box_no, $str);
  192. return true;
  193. }
  194. /**
  195. * 寻车响铃
  196. * @param $box_no
  197. * @return bool
  198. * User: Mead
  199. */
  200. public static function bellBike($box_no)
  201. {
  202. $msg_id = self::makeMsgId($box_no, 'C', self::CONTROL_REMOTE_FIND_BIKE);
  203. $str = self::makeSendMsg(self::CONTROL_REMOTE_FIND_BIKE, $msg_id);
  204. return self::send($box_no, $str);
  205. }
  206. /**
  207. * 打开电池锁
  208. * @param $box_no
  209. * @return bool
  210. * User: Mead
  211. */
  212. public static function openBatteryLock($box_no)
  213. {
  214. $msg_id = self::makeMsgId($box_no, 'C', self::CONTROL_REMOTE_OPEN_BATTERY_LOCK);
  215. $str = self::makeSendMsg(self::CONTROL_REMOTE_OPEN_BATTERY_LOCK, $msg_id);
  216. return self::send($box_no, $str);
  217. }
  218. /**
  219. * 关闭电池锁
  220. * @param $box_no
  221. * @return bool
  222. * User: Mead
  223. */
  224. public static function closeBatteryLock($box_no)
  225. {
  226. $msg_id = self::makeMsgId($box_no, 'C', self::CONTROL_REMOTE_CLOSE_BATTERY_LOCK);
  227. $str = self::makeSendMsg(self::CONTROL_REMOTE_CLOSE_BATTERY_LOCK, $msg_id);
  228. return self::send($box_no, $str);
  229. }
  230. /**
  231. * 超出骑行区域播放音乐
  232. * @param $box_no
  233. * @return bool
  234. * User: Mead
  235. */
  236. public static function outAreaPlayVideo($box_no)
  237. {
  238. return self::playVideo($box_no, self::VIDEO_OUT_AREA);
  239. }
  240. /**
  241. * 播放语音
  242. * @param $box_no
  243. * @param $video_cmd
  244. * @return bool
  245. * User: Mead
  246. */
  247. public static function playVideo($box_no, $video_cmd)
  248. {
  249. $msg_id = self::makeMsgId($box_no, 'C', $video_cmd);
  250. $str = self::makeSendMsg($video_cmd, $msg_id, self::CMD_REMOTE_VOICE);
  251. return self::send($box_no, $str);
  252. }
  253. /**
  254. * 超出骑行区域失能
  255. * @param $box_no
  256. * @return bool
  257. * User: Mead
  258. */
  259. public static function outAreaLoseElectric($box_no)
  260. {
  261. $msg_id = self::makeMsgId($box_no, 'C', self::CONTROL_OUT_AREA_LOST_ELECTRIC);
  262. $str = self::makeSendMsg(self::CONTROL_OUT_AREA_LOST_ELECTRIC, $msg_id, self::CMD_REMOTE_CONTROL);
  263. return self::send($box_no, $str);
  264. }
  265. /**
  266. * 超出区域后返回骑行区域加电
  267. * @param $box_no
  268. * @return bool
  269. * User: Mead
  270. */
  271. public static function outAreaGetElectric($box_no)
  272. {
  273. $msg_id = self::makeMsgId($box_no, 'C', self::CONTROL_OUT_AREA_OPEN_ELECTRIC);
  274. $str = self::makeSendMsg(self::CONTROL_OUT_AREA_OPEN_ELECTRIC, $msg_id, self::CMD_REMOTE_CONTROL);
  275. return self::send($box_no, $str);
  276. }
  277. /**
  278. * 查询车的配置
  279. * @param $box_no
  280. * @return bool
  281. * User: Mead
  282. */
  283. public static function selectBoxSetting($box_no)
  284. {
  285. $select = ['TID', 'AUTOLOCKEVENT', 'BLEKG', 'BATMANUFACTURE', 'DFTBLEBONDKEY', 'BATSN', 'DOMAIN', 'BLEKG', 'PULSE', 'VIBFILTERREMINDT', 'FREQ'];
  286. // $select = ['SOFTVERSION', 'TID', 'BLEKG', 'LOGIN', 'DFTBLEENCKEY', 'DFTBLEENCKEY', 'DOMAIN', 'BLEKG', 'PULSE', 'VIBFILTERREMINDT', 'FREQ'];
  287. $msg_id = self::makeMsgId($box_no, 'C', self::CMD_REMOTE_SELECT);
  288. $str = self::makeSendMsg($select, $msg_id, self::CMD_REMOTE_SELECT, false);
  289. return self::send($box_no, $str);
  290. }
  291. /**
  292. * 查询车的状态
  293. * @param $box_no
  294. * @return bool
  295. * User: Mead
  296. */
  297. public static function selectBikeStatus($box_no)
  298. {
  299. $select = ['DEVICESTATUS', 'PHASESTATUS'];
  300. $msg_id = self::makeMsgId($box_no, 'C', self::CMD_REMOTE_SELECT);
  301. $str = self::makeSendMsg($select, $msg_id, self::CMD_REMOTE_SELECT, false);
  302. return self::send($box_no, $str);
  303. }
  304. /**
  305. * 远程重启中控
  306. * @param $box_no
  307. * @return bool
  308. * User: Mead
  309. */
  310. public static function rebootBox($box_no)
  311. {
  312. $msg_id = self::makeMsgId($box_no, 'C', self::CONTROL_REMOTE_REBOOT_SYSTEM);
  313. $str = self::makeSendMsg(self::CONTROL_REMOTE_REBOOT_SYSTEM, $msg_id);
  314. return self::send($box_no, $str);
  315. }
  316. /**
  317. * 立即定位
  318. * @param $box_no
  319. * @return bool
  320. * User: Mead
  321. */
  322. public static function nowBikeLocation($box_no)
  323. {
  324. $msg_id = self::makeMsgId($box_no, 'C', self::CONTROL_REMOTE_LOCATION);
  325. //删除ridis位置缓存
  326. self::delRedisCache($box_no, 'update_bike_location');
  327. $str = self::makeSendMsg(self::CONTROL_REMOTE_LOCATION, $msg_id);
  328. return self::send($box_no, $str);
  329. }
  330. /**
  331. * 立即上传电池信息
  332. * @param $box_no
  333. * @return bool
  334. * User: Mead
  335. */
  336. public static function nowBikeBatteryMSG($box_no)
  337. {
  338. $msg_id = self::makeMsgId($box_no, 'C', self::CONTROL_GET_BATTERY_INFO);
  339. $str = self::makeSendMsg(self::CONTROL_GET_BATTERY_INFO, $msg_id);
  340. return self::send($box_no, $str);
  341. }
  342. /**
  343. * 参数配置
  344. * @param $box_no
  345. * @return bool
  346. * User: Mead
  347. */
  348. public static function setBoxSetting($box_no)
  349. {
  350. $select = ['PULSE=120', 'FREQ=15', 'VIBFILTERREMINDT=20', 'DFTBLEBONDKEY=NULL', 'BLEKG=1'];
  351. $msg_id = self::makeMsgId($box_no, 'C', self::CMD_REMOTE_CONFIG);
  352. $str = self::makeSendMsg($select, $msg_id, self::CMD_REMOTE_CONFIG, false);
  353. return self::send($box_no, $str);
  354. }
  355. /**
  356. * 发送数据
  357. * @param $box_no
  358. * @param $msg
  359. * @return bool
  360. * User: Mead
  361. */
  362. private static function send($box_no, $msg)
  363. {
  364. try {
  365. Gateway::$registerAddress = config('bike.bike_control_register_address');
  366. if (!Gateway::isUidOnline($box_no)) return false;
  367. Gateway::sendToUid($box_no, hex2bin($msg));
  368. return true;
  369. } catch (\Exception $exception) {
  370. throw new \Exception('服务连接失败');
  371. }
  372. }
  373. /**
  374. * 生成 msg_id
  375. * @param $box_no
  376. * @param $type
  377. * @param $cmd
  378. * @return string
  379. * User: Mead
  380. */
  381. private static function makeMsgId($box_no, $type, $cmd)
  382. {
  383. $msg = [
  384. 'no' => $box_no,
  385. 'time' => time(),
  386. 'type' => $type,
  387. 'cmd' => $cmd,
  388. ];
  389. $msg_id = self::SPLIT_TAG . bin2hex(implode(',', $msg));
  390. return $msg_id;
  391. }
  392. /**
  393. * 组装命令
  394. * @param $cmd
  395. * @param $msgID
  396. * @return string
  397. * User: Mead
  398. */
  399. public static function makeSendMsg($controller_cmd, $msgID, $cmd = self::CMD_REMOTE_CONTROL, $is_hex = true)
  400. {
  401. if (!$is_hex) {
  402. $controller_cmd = bin2hex((implode(';', $controller_cmd) . ';FUJIA'));
  403. }
  404. $body = [
  405. "{$controller_cmd}",
  406. "{$msgID}"
  407. ];
  408. $body = self::arr2arr($body);
  409. return self::encode($body, $cmd);
  410. }
  411. /**
  412. * 效验编码
  413. * @param $data
  414. * @return string
  415. * User: Mead
  416. */
  417. private static function encode($data, $cmd)
  418. {
  419. $num = 12;
  420. $num += count($data);
  421. $data_length = self::byNumGetDataLength($num);
  422. $header = [
  423. $data_length,
  424. self::getSoftwareVersion(),
  425. $cmd,
  426. self::getPipelineNumber(),
  427. '00',
  428. '00',
  429. '00'
  430. ];
  431. $response = self::arr2str($header, $data);
  432. $response .= self::crc16(explode(' ', $response));
  433. return self::format(self::$start . $response);
  434. }
  435. /**
  436. * 获取数据包的长度
  437. * @param $num
  438. * @return array
  439. * User: Mead
  440. */
  441. private static function byNumGetDataLength($num)
  442. {
  443. $length = dechex($num);
  444. return str_pad($length, 4, '0', STR_PAD_LEFT);
  445. }
  446. /**
  447. * 软件版本号
  448. * @return string
  449. * User: Mead
  450. */
  451. private static function getSoftwareVersion()
  452. {
  453. return '04';
  454. }
  455. /**
  456. * 获取流水号
  457. * @return int
  458. * User: Mead
  459. */
  460. private static function getPipelineNumber()
  461. {
  462. return '01';
  463. }
  464. /**
  465. * 删除缓存
  466. * @param $box_no
  467. * @param $type
  468. * User: Mead
  469. */
  470. public static function delRedisCache($box_no, $types)
  471. {
  472. $cacheNames = [];
  473. if (is_array($types)) {
  474. foreach ($types as $type) {
  475. $cacheNames[] = "cache:min:{$type}:{$box_no}";
  476. }
  477. } else {
  478. $cacheNames[] = "cache:min:{$types}:{$box_no}";
  479. }
  480. if (!count($cacheNames)) return false;
  481. Redis::connection()->del($cacheNames);
  482. }
  483. /**
  484. * 格式数组
  485. * @param $arr
  486. * @return array
  487. * User: Mead
  488. */
  489. private static function arr2arr($arr)
  490. {
  491. $arr = implode('', $arr);
  492. return str_split(str_replace(' ', '', $arr), 2);
  493. }
  494. /**
  495. * 数组转字符
  496. * @return string
  497. * User: Mead
  498. */
  499. private static function arr2str()
  500. {
  501. $args = func_get_args();
  502. $arr = '';
  503. foreach ($args as $arg) {
  504. $arr .= implode('', $arg);
  505. }
  506. return implode(' ', str_split($arr, 2));
  507. }
  508. /**
  509. * 格式字符
  510. * @param $str
  511. * @return string
  512. * User: Mead
  513. */
  514. private static function format($str)
  515. {
  516. return strtoupper(implode('', str_split(str_replace(' ', '', $str), 2)));
  517. }
  518. private static $crc_table = [
  519. 0x0000, 0x1189, 0x2312, 0x329B, 0x4624, 0x57AD,
  520. 0x6536, 0x74BF, 0x8C48, 0x9DC1, 0xAF5A, 0xBED3,
  521. 0xCA6C, 0xDBE5, 0xE97E, 0xF8F7, 0x1081, 0x0108,
  522. 0x3393, 0x221A, 0x56A5, 0x472C, 0x75B7, 0x643E,
  523. 0x9CC9, 0x8D40, 0xBFDB, 0xAE52, 0xDAED, 0xCB64,
  524. 0xF9FF, 0xE876, 0x2102, 0x308B, 0x0210, 0x1399,
  525. 0x6726, 0x76AF, 0x4434, 0x55BD, 0xAD4A, 0xBCC3,
  526. 0x8E58, 0x9FD1, 0xEB6E, 0xFAE7, 0xC87C, 0xD9F5,
  527. 0x3183, 0x200A, 0x1291, 0x0318, 0x77A7, 0x662E,
  528. 0x54B5, 0x453C, 0xBDCB, 0xAC42, 0x9ED9, 0x8F50,
  529. 0xFBEF, 0xEA66, 0xD8FD, 0xC974, 0x4204, 0x538D,
  530. 0x6116, 0x709F, 0x0420, 0x15A9, 0x2732, 0x36BB,
  531. 0xCE4C, 0xDFC5, 0xED5E, 0xFCD7, 0x8868, 0x99E1,
  532. 0xAB7A, 0xBAF3, 0x5285, 0x430C, 0x7197, 0x601E,
  533. 0x14A1, 0x0528, 0x37B3, 0x263A, 0xDECD, 0xCF44,
  534. 0xFDDF, 0xEC56, 0x98E9, 0x8960, 0xBBFB, 0xAA72,
  535. 0x6306, 0x728F, 0x4014, 0x519D, 0x2522, 0x34AB,
  536. 0x0630, 0x17B9, 0xEF4E, 0xFEC7, 0xCC5C, 0xDDD5,
  537. 0xA96A, 0xB8E3, 0x8A78, 0x9BF1, 0x7387, 0x620E,
  538. 0x5095, 0x411C, 0x35A3, 0x242A, 0x16B1, 0x0738,
  539. 0xFFCF, 0xEE46, 0xDCDD, 0xCD54, 0xB9EB, 0xA862,
  540. 0x9AF9, 0x8B70, 0x8408, 0x9581, 0xA71A, 0xB693,
  541. 0xC22C, 0xD3A5, 0xE13E, 0xF0B7, 0x0840, 0x19C9,
  542. 0x2B52, 0x3ADB, 0x4E64, 0x5FED, 0x6D76, 0x7CFF,
  543. 0x9489, 0x8500, 0xB79B, 0xA612, 0xD2AD, 0xC324,
  544. 0xF1BF, 0xE036, 0x18C1, 0x0948, 0x3BD3, 0x2A5A,
  545. 0x5EE5, 0x4F6C, 0x7DF7, 0x6C7E, 0xA50A, 0xB483,
  546. 0x8618, 0x9791, 0xE32E, 0xF2A7, 0xC03C, 0xD1B5,
  547. 0x2942, 0x38CB, 0x0A50, 0x1BD9, 0x6F66, 0x7EEF,
  548. 0x4C74, 0x5DFD, 0xB58B, 0xA402, 0x9699, 0x8710,
  549. 0xF3AF, 0xE226, 0xD0BD, 0xC134, 0x39C3, 0x284A,
  550. 0x1AD1, 0x0B58, 0x7FE7, 0x6E6E, 0x5CF5, 0x4D7C,
  551. 0xC60C, 0xD785, 0xE51E, 0xF497, 0x8028, 0x91A1,
  552. 0xA33A, 0xB2B3, 0x4A44, 0x5BCD, 0x6956, 0x78DF,
  553. 0x0C60, 0x1DE9, 0x2F72, 0x3EFB, 0xD68D, 0xC704,
  554. 0xF59F, 0xE416, 0x90A9, 0x8120, 0xB3BB, 0xA232,
  555. 0x5AC5, 0x4B4C, 0x79D7, 0x685E, 0x1CE1, 0x0D68,
  556. 0x3FF3, 0x2E7A, 0xE70E, 0xF687, 0xC41C, 0xD595,
  557. 0xA12A, 0xB0A3, 0x8238, 0x93B1, 0x6B46, 0x7ACF,
  558. 0x4854, 0x59DD, 0x2D62, 0x3CEB, 0x0E70, 0x1FF9,
  559. 0xF78F, 0xE606, 0xD49D, 0xC514, 0xB1AB, 0xA022,
  560. 0x92B9, 0x8330, 0x7BC7, 0x6A4E, 0x58D5, 0x495C,
  561. 0x3DE3, 0x2C6A, 0x1EF1, 0x0F78,
  562. ];
  563. /**
  564. * 生成校检码
  565. * @param $data
  566. * @return string
  567. * User: Mead
  568. */
  569. private static function crc16($data)
  570. {
  571. $crc = 0xFFFF;
  572. foreach ($data as $d) {
  573. $d = hexdec($d);
  574. $crc = self::$crc_table[($d ^ $crc) & 0xFF] ^ ($crc >> 8 & 0xFF);
  575. }
  576. $crc = $crc ^ 0xFFFF;
  577. $crc = $crc & 0xFFFF;
  578. return str_pad(dechex($crc), 4, '0', STR_PAD_LEFT);
  579. }
  580. }