w mx / Mbed 2 deprecated wmx_laser

于之前基础上增加功能：py启动后输入缩放比例，十秒内未输入，则初始化后重启py，方可按默认设置执行

Dependencies:   MQTT SDFileSystem WIZnet_Library mbed

Fork of Laser_SD_W5500 by YX ZHANG

Diff: networking.cpp

Revision:
5:c5b3ccf99436
Parent:
4:ae6f380a5b41
--- a/networking.cpp	Sun Jul 22 15:53:24 2018 +0000
+++ b/networking.cpp	Fri Jul 27 08:28:13 2018 +0000
@@ -49,7 +49,7 @@
 void messageArrived(MQTT::MessageData& md)
 {
     MQTT::Message &message = md.message;
-    pc.printf("messageArrived %d,%d\r\n", md.topicName.lenstring.len, message.payloadlen);
+    //pc.printf("messageArrived %d,%d\r\n", md.topicName.lenstring.len, message.payloadlen);
 
 //    char buf[64];
 //    int value, len = sizeof(buf)-1;