main.cpp

00001 /*
00002   Hotboards_rtcc Library - setting time and date
00003  Demonstrates the use a MCP7941x clock calendar.  The Hotboards_rtcc
00004  library works with this microchip real time clock
00005  (http://www.hotboards.org).
00006  
00007  This sketch set and arbitrary time and date, and then send through
00008  serial port every five seconds
00009  
00010   The circuit:
00011  *  VDD  -->  3.3v
00012  *  GND  -->  GND
00013  *  SDA  -->  SDA
00014  *  SCL  -->  SCL
00015 */
00016 #include "mbed.h"
00017 #include "Hotboards_rtcc.h"
00018 
00019 /* days of the week */
00020 const char *week[] = {"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"};
00021 /* months of the year */
00022 const char *months[] = {"JAN","FEB","MAR","APR","MAY","JUN", "JUL", "AUG","SEPT","OCT","NOV","DEC"};
00023 
00024 /*serial port init*/
00025 Serial pc(USBTX,USBRX);
00026 /*i2c instance delaration for use with the rtcc library*/
00027 I2C device(PB_9, PB_8);
00028 /*lets declare and rtcc instance */
00029 Hotboards_rtcc rtcc(device);
00030 
00031 int main() 
00032 {
00033   /*i2c bus clock set to 100khz*/
00034   device.frequency(100000);
00035   /* init the rtcc, just enable the clock if not already enable */
00036   rtcc.begin();
00037   /* set the time (15:30:00) and date 1/MAR/2001 */
00038   rtcc.adjust( DateTime( 2001, 2, 1, 15, 30, 0 ) );
00039  
00040  while(1)
00041  {
00042     /* get the actual time and date */
00043     DateTime time = rtcc.now( );
00044     /* print to serial port */
00045     printf( "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());
00046     /* repeat again every 5 seconds*/
00047     wait( 5 );
00048  }
00049 }