Checking program for RTC module inside CPU.

Dependents:   RTC_w_COM Frequency_Counter_w_GPS_1PPS debug_tools Nucleo_RTC_Clock_setting ... more

Please refer below link.
http://developer.mbed.org/users/kenjiArai/notebook/nucleo-series-clock-structure-and-xtal-oscillation/

Revision:
2:2ee7a7260cbf
Parent:
1:921a188e61c0
Child:
3:babcde30190d
--- a/CheckRTC.cpp	Sat Nov 01 01:46:04 2014 +0000
+++ b/CheckRTC.cpp	Thu Jan 01 05:16:38 2015 +0000
@@ -7,7 +7,7 @@
  *  http://www.page.sannet.ne.jp/kenjia/index.html
  *  http://mbed.org/users/kenjiArai/
  *      Created:  October   24th, 2014
- *      Revised:  November   1st, 2014
+ *      Revised:  January    1st, 2015
  *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
  * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
@@ -24,25 +24,15 @@
 
 //  Definition ------------------------------------------------------------------------------------
 #ifdef DEBUG
-#define BAUD(x)         pcm.baud(x)
-#define GETC(x)         pcm.getc(x)
-#define PUTC(x)         pcm.putc(x)
 #define PRINTF(...)     pcm.printf(__VA_ARGS__)
-#define READABLE(x)     pcm.readable(x)
 #else
-#define BAUD(x)         {;}
-#define GETC(x)         {;}
-#define PUTC(x)         {;}
 #define PRINTF(...)     {;}
-#define READABLE(x)     {;}
 #endif
 
 //  Object ----------------------------------------------------------------------------------------
 #ifdef DEBUG
 Serial pcm(USBTX, USBRX);
 #endif
-//DigitalOut myled(LED1);
-//Timer t;
 
 //  RAM -------------------------------------------------------------------------------------------
 
@@ -73,7 +63,8 @@
 #endif
 }
 
-uint32_t get_RTCSEL(void){
+uint32_t get_RTCSEL(void)
+{
 #if defined(TARGET_NUCLEO_F401RE) || defined(TARGET_NUCLEO_F411RE)
     return ((RCC->BDCR >> 8) & 0x03);
 #elif defined(TARGET_NUCLEO_L152RE)