Li Weiyi / Mbed 2 deprecated Io_moon

* AM2321的取温度间隔得大于2s，否则，i2c会不工作了 * SimpleTimer有个bug，会导致两次快速的读温度，现在读温度函数里加了保护 * Blynk有个bug，会导致无法把数据传到服务器 * 现在可以正常工作了

Dependencies:   mbed

Diff: main.cpp

Revision:
1:e34100dd6532
Parent:
0:740c1eb2df13
--- a/main.cpp	Thu Jun 23 11:16:14 2016 +0000
+++ b/main.cpp	Fri Jun 24 02:06:43 2016 +0000
@@ -51,7 +51,7 @@
 {
     static uint32_t start;
     start = g_MainTimer.read_ms();
-    pc.printf("update_oled: %u ms\r\n", start);
+    //pc.printf("update_oled: %u ms\r\n", start);
     myled = 1;
     wait_ms(60);
     myled = 0;
@@ -103,8 +103,8 @@
     wait(2.0);
 
     Blynk.begin(auth, wifi, SSID, PASS);
+    wait(3.0);
 #endif
-    wait(3.0);
     g_Ticker.detach();
 
     while(1) {