Diff: main.cpp

Revision:

0:5e1b09cde0a8

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Feb 10 15:49:52 2016 +0000
@@ -0,0 +1,76 @@
+/*
+  Hotboards_rtcc Library - setting time and date
+ Demonstrates the use a MCP7941x clock calendar.  The Hotboards_rtcc
+ 
+ library works with this microchip real time clock
+ (http://www.hotboards.org).
+ 
+ This sketch demonstrates how add and substract time values using
+ the time span objects
+ 
+  The circuit:
+ *  VDD  -->  3.3v
+ *  GND  -->  GND
+ *  SDA  -->  SDA
+ *  SCL  -->  SCL
+*/
+#include "mbed.h"
+#include "Hotboards_rtcc.h"
+
+/* days of the week */
+const char *week[] = {"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"};
+/* months of the year */
+const char *months[] = {"JAN","FEB","MAR","APR","MAY","JUN", "JUL", "AUG","SEPT","OCT","NOV","DEC"};
+
+/*serial port init*/
+Serial pc(USBTX,USBRX);
+/*i2c instance delaration for use with the rtcc library*/
+I2C device(PB_9, PB_8);
+/*lets declare and rtcc instance */
+Hotboards_rtcc rtcc(device);
+
+/*function for display date time */
+void display_DateTime( DateTime &dt )
+{
+ printf( " Time- %d:%d:%d  Date- %s/%d/%s/%d \n",dt.hour( ),dt.minute( ),dt.second( ),week[dt.dayOfTheWeek( )],dt.day( ),months[dt.month( )],dt.year());
+}
+
+
+int main() 
+{
+    /*i2c bus clock set to 100khz*/
+   device.frequency(100000);
+   /* init the rtcc, just enable the clock if not already enable */
+   rtcc.begin();
+   /* set the time (15:30:00) and date 1/MAR/2001 */
+   rtcc.adjust( DateTime( 2001, 2, 1, 15, 30, 0 ) );
+   
+    while(1) 
+    {
+       /* get the actual time and date */
+       DateTime time = rtcc.now( );
+       /* display through serial port*/
+       printf( "Actual time   ");
+       display_DateTime( time);
+      
+       DateTime delta = time + TimeSpan(1, 0, 0, 0); // One day later with TimeSpan addition.
+       printf( "1 day later   ");
+       display_DateTime( delta);
+       
+       delta = time + TimeSpan(7, 0, 0, 0); // One week later with TimeSpan addition.
+       printf( "one week later");
+       display_DateTime( delta);
+      
+       delta = time + TimeSpan(0, 0, 30, 10); // Fourty two minutes and fourty two seconds later.
+       printf( "00:42:42 later");
+       display_DateTime( delta);
+      
+       delta = time - TimeSpan(7, 0, 0, 0);  // One week ago.
+       printf( "one week ago  ");
+       display_DateTime( delta);
+       
+       printf( "\n");
+       /* wait ten seconds */
+       wait( 10 );
+    }
+}