This sketch shows how to repeat an alarm every minute
Dependencies: Hotboards_rtcc mbed
Revision 0:fe2da4d649de, committed 2016-02-10
- Comitter:
- Hotboards
- Date:
- Wed Feb 10 18:38:28 2016 +0000
- Commit message:
- first release
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Hotboards_rtcc.lib Wed Feb 10 18:38:28 2016 +0000 @@ -0,0 +1,1 @@ +https://developer.mbed.org/users/Hotboards/code/Hotboards_rtcc/#0790bcaf8b8f
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Wed Feb 10 18:38:28 2016 +0000 @@ -0,0 +1,65 @@ +/* + 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 shows how to repeat an alarm every 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()); + /* Set an alarm one minute after the current time, again */ + alarm = time + TimeSpan( 0, 0, 1, 0 ); + rtcc.setAlarm( alarm ); + } + } +} +
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Wed Feb 10 18:38:28 2016 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/f141b2784e32 \ No newline at end of file