Hotboards MX / Mbed 2 deprecated Hotboards_rtcc_alarm

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

Dependencies:   Hotboards_rtcc mbed

main.cpp@0:7c98016e3c5e, 2016-02-10 (annotated)

Committer:
Hotboards
Date:
Wed Feb 10 18:12:48 2016 +0000
Revision:
0:7c98016e3c5e
first release

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Hotboards 0:7c98016e3c5e 1
Hotboards 0:7c98016e3c5e 2 /*
Hotboards 0:7c98016e3c5e 3 Hotboards_rtcc Library - alarm
Hotboards 0:7c98016e3c5e 4 Demonstrates the use a MCP7941x clock calendar. The Hotboards_rtcc
Hotboards 0:7c98016e3c5e 5 library works with this microchip real time clock
Hotboards 0:7c98016e3c5e 6 (http://www.hotboards.org).
Hotboards 0:7c98016e3c5e 7
Hotboards 0:7c98016e3c5e 8 This sketch set an single alarm that will be active
Hotboards 0:7c98016e3c5e 9 after one minute.
Hotboards 0:7c98016e3c5e 10 The circuit:
Hotboards 0:7c98016e3c5e 11 * VDD --> 3.3v
Hotboards 0:7c98016e3c5e 12 * GND --> GND
Hotboards 0:7c98016e3c5e 13 * SDA --> SDA
Hotboards 0:7c98016e3c5e 14 * SCL --> SCL
Hotboards 0:7c98016e3c5e 15
Hotboards 0:7c98016e3c5e 16 */
Hotboards 0:7c98016e3c5e 17 #include "mbed.h"
Hotboards 0:7c98016e3c5e 18 #include "Hotboards_rtcc.h"
Hotboards 0:7c98016e3c5e 19
Hotboards 0:7c98016e3c5e 20 /* days of the week */
Hotboards 0:7c98016e3c5e 21 const char *week[] = {"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"};
Hotboards 0:7c98016e3c5e 22 /* months of the year */
Hotboards 0:7c98016e3c5e 23 const char *months[] = {"JAN","FEB","MAR","APR","MAY","JUN", "JUL", "AUG","SEPT","OCT","NOV","DEC"};
Hotboards 0:7c98016e3c5e 24
Hotboards 0:7c98016e3c5e 25 /*serial port init*/
Hotboards 0:7c98016e3c5e 26 Serial pc(USBTX,USBRX);
Hotboards 0:7c98016e3c5e 27 /*i2c instance delaration for use with the rtcc library*/
Hotboards 0:7c98016e3c5e 28 I2C device(PB_9, PB_8);
Hotboards 0:7c98016e3c5e 29 /*lets declare and rtcc instance */
Hotboards 0:7c98016e3c5e 30 Hotboards_rtcc rtcc(device);
Hotboards 0:7c98016e3c5e 31
Hotboards 0:7c98016e3c5e 32 int main()
Hotboards 0:7c98016e3c5e 33 {
Hotboards 0:7c98016e3c5e 34 /*i2c bus clock set to 100khz*/
Hotboards 0:7c98016e3c5e 35 device.frequency(100000);
Hotboards 0:7c98016e3c5e 36 /* init the rtcc, just enable the clock if not already enable */
Hotboards 0:7c98016e3c5e 37 rtcc.begin();
Hotboards 0:7c98016e3c5e 38 /* set the time when is compiled*/
Hotboards 0:7c98016e3c5e 39 DateTime time( __DATE__, __TIME__);
Hotboards 0:7c98016e3c5e 40 rtcc.adjust(time);
Hotboards 0:7c98016e3c5e 41
Hotboards 0:7c98016e3c5e 42 /* Set an alarm after one minute */
Hotboards 0:7c98016e3c5e 43 DateTime alarm = time + TimeSpan( 0, 0, 1, 0 );
Hotboards 0:7c98016e3c5e 44 rtcc.setAlarm( alarm );
Hotboards 0:7c98016e3c5e 45 /* enable the alarm */
Hotboards 0:7c98016e3c5e 46 rtcc.turnOnAlarm( );
Hotboards 0:7c98016e3c5e 47
Hotboards 0:7c98016e3c5e 48 printf("The alarm will be active in one minute \n");
Hotboards 0:7c98016e3c5e 49
Hotboards 0:7c98016e3c5e 50 while(1)
Hotboards 0:7c98016e3c5e 51 {
Hotboards 0:7c98016e3c5e 52 /* is the alarm active?? */
Hotboards 0:7c98016e3c5e 53 if( rtcc.getAlarmStatus( ) == 1 )
Hotboards 0:7c98016e3c5e 54 {
Hotboards 0:7c98016e3c5e 55 /* clear the alarm */
Hotboards 0:7c98016e3c5e 56 rtcc.clearAlarm( );
Hotboards 0:7c98016e3c5e 57 /* display the time */
Hotboards 0:7c98016e3c5e 58 DateTime time = rtcc.now( );
Hotboards 0:7c98016e3c5e 59 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());
Hotboards 0:7c98016e3c5e 60 }
Hotboards 0:7c98016e3c5e 61 }
Hotboards 0:7c98016e3c5e 62 }