Diff: main.cpp

Revision:

0:7c98016e3c5e

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Feb 10 18:12:48 2016 +0000
@@ -0,0 +1,62 @@
+
+/*
+  Hotboards_rtcc Library - alarm
+ Demonstrates the use a MCP7941x clock calendar.  The Hotboards_rtcc
+ library works with this microchip real time clock 
+ (http://www.hotboards.org).
+ 
+ This sketch set an single alarm that will be active 
+ after one minute.
+  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);
+
+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 when is compiled*/
+    DateTime time( __DATE__, __TIME__);
+    rtcc.adjust(time); 
+    
+    /* Set an alarm after one minute */
+    DateTime alarm = time + TimeSpan( 0, 0, 1, 0 );
+    rtcc.setAlarm( alarm );
+    /* enable the alarm */
+    rtcc.turnOnAlarm( );
+  
+    printf("The alarm will be active in one minute \n");
+
+    while(1)
+    {
+       /* is the alarm active?? */
+       if( rtcc.getAlarmStatus( ) == 1 )
+       {
+        /* clear the alarm */
+        rtcc.clearAlarm( );
+        /* display the time */
+        DateTime time = rtcc.now( );
+        printf( "Alarm active at:  Time- %d:%d:%d  Date-  %s/ %d/ %s/ %d\n",time.hour( ),time.minute( ),time.second( ),week[time.dayOfTheWeek( )],time.day( ),months[time.month( )],time.year());
+       }
+    }
+}