main.cpp

00001 // show how the DS1307 class works
00002  #include "ds1307.h"
00003  #include "mbed.h"
00004  #include "TextLCD.h"
00005  
00006  DS1307 my1307(p9,p10); // start DS1307 class and give it pins for connections of the DS1307 device
00007  TextLCD lcd(p21,p22,p23,p24,p25,p26);
00008  
00009  int sec;
00010  int min;
00011  int hours;
00012  int day;
00013  int date;
00014  int month;
00015  int year;
00016  
00017  void test_rw(int test) {
00018 } 
00019  
00020  int main() {
00021      int junk = 0;
00022  
00023 while(1){
00024      wait(0.5);
00025 
00026      test_rw(my1307.gettime( &sec, &min, &hours, &day, &date, &month, &year));
00027 
00028     lcd.cls();
00029     lcd.locate(0,0);
00030     lcd.printf("%d:%d:%d",hours,min,sec);
00031     lcd.locate(0,1);
00032     lcd.printf("%d/%d/%d",date,month,year);
00033  
00034      junk = 0x39;                            // just a junk value do read and write test to DS1307 ram
00035      test_rw(my1307.write( 0x20, junk));     // this should write the value of junk to register 0x20 (a ram location) in the ds1307.
00036      junk = 0;                               // clear junk to show that when the register is read from the correct value is obtained
00037      test_rw(my1307.read( 0x20, &junk));     // this should read register 0x20
00038  }
00039  }