This sketch set an single alarm that will be active after one minute.

Dependencies:   Hotboards_rtcc mbed

Files at this revision

API Documentation at this revision

Comitter:
Hotboards
Date:
Wed Feb 10 18:12:48 2016 +0000
Commit message:
first release

Changed in this revision

Hotboards_rtcc.lib Show annotated file Show diff for this revision Revisions of this file
main.cpp Show annotated file Show diff for this revision Revisions of this file
mbed.bld Show annotated file Show diff for this revision Revisions of this file
diff -r 000000000000 -r 7c98016e3c5e Hotboards_rtcc.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Hotboards_rtcc.lib	Wed Feb 10 18:12:48 2016 +0000
@@ -0,0 +1,1 @@
+https://developer.mbed.org/users/Hotboards/code/Hotboards_rtcc/#0790bcaf8b8f
diff -r 000000000000 -r 7c98016e3c5e main.cpp
--- /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());
+       }
+    }
+}
diff -r 000000000000 -r 7c98016e3c5e mbed.bld
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Wed Feb 10 18:12:48 2016 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/f141b2784e32
\ No newline at end of file