硬件串口对接

@@ -51,12 +51,11 @@ $worker->onWorkerStart = function ($worker) {
         // $data数组格式，里面有uid，表示向那个uid的页面推送数据
         $data = json_decode($buffer, true);
         $uid = $data['uid'];
-        echo $uid;
+        $connection->send($uid);
         // 通过workerman，向uid的页面推送数据
         $ret = sendMessageByUid($uid, $data['percent']);
         // 返回推送结果
 //        $connection->send($ret ? 'ok' : 'fail');
-        echo $ret;
         $connection->send($ret);
     };
     $inner_text_worker->listen();