Use the MAXREFDES99 to display the time from a DS3231 RTC. Requires the DS3231 RTC, or a MAXREFDES72 which has the rtc on it.

Dependencies:   MAX7219 ds3231 mbed

Revision:
1:ce6a3accca77
Parent:
0:52f9ecc09233
--- a/main.cpp	Fri Mar 25 22:50:52 2016 +0000
+++ b/main.cpp	Tue May 31 22:32:53 2016 +0000
@@ -45,13 +45,7 @@
     //rtc object
     Ds3231 rtc(D14, D15); 
     
-    //switch for setting clock, requires tera term interface at 9600 8N1
-    DigitalIn sw(SW3);
-    
-    if(sw.read() == 0)
-    {
-        set_rtc(rtc);
-    }
+    set_rtc(rtc);
     
     Max7219 display(D11, D12, D13, D10);