Diff: main.cpp

Revision:

12:f4e5544977c2

Parent:

11:7bf81089fce6

--- a/main.cpp	Mon Jun 15 23:10:36 2015 +0000
+++ b/main.cpp	Wed Sep 30 22:24:41 2015 +0000
@@ -2,9 +2,13 @@
 
 // Requires 32KHz crystal fitted.
 // Unplug then plug back in the Teensy after programing to reactivate the Teensy USB serial port.
+// if your terminal program can't see the Teensy
 
 #include "mbed.h"
 #include "USBSerial.h"
+
+// include to check/display clock rates
+#include "clk_freqs.h"
  
 //Virtual serial port over USB
 USBSerial serial;
@@ -12,12 +16,12 @@
 DigitalOut led(LED1);
 
 struct tm t;
-char timebuff[60];
+char timebuff[80];
 
-int minute      =35;    // 0-59
-int hour        =18;    // 0-23
-int dayofmonth  =14;    // 1-31
-int month       =6;     // 1-12
+int minute      =20;    // 0-59
+int hour        =23;    // 0-23
+int dayofmonth  =30;    // 1-31
+int month       =9;     // 1-12
 int year        =15;    // last 2 digits
  
 void setRTC()
@@ -33,13 +37,22 @@
  
 int main(void) {
  
-    setRTC(); // If back up cell fitted, comment this out after the RTC has been set then re-program.  
+    led=1;
+    
+    //setRTC(); // If back up cell fitted, comment this out after the RTC has been set then re-program.  
     
     while(1)
     {   
         time_t seconds = time(NULL);
-        strftime(timebuff,60,"Teensy RTC\r\nTime:  %H:%M:%S\r\nDate:  %A %d %B %Y\r\n\n", localtime(&seconds));       
-        serial.printf(timebuff);
+        strftime(timebuff,80,"\n\n Teensy RTC\r\nTime:  %H:%M:%S\r\nDate:  %A %d %B %Y\n\n", localtime(&seconds));       
+        serial.printf(timebuff);       
+        
+        serial.printf("\n core %d",SystemCoreClock);
+        
+        serial.printf("\n Bus  %d",bus_frequency());
+        
+        serial.printf("\n Osc  %d",extosc_frequency());
+        
         led=0;        
         wait(1);
         led=1;