main.cpp

00001 #include "mbed.h"
00002 #include "SerialLCD.h"
00003 #include "ds1307.h"
00004  
00005 SerialLCD lcd(P1_13, P1_14);  // Grove Serial LCD is connected to UART Tx and Rx pins
00006 DS1307 rtc(P0_5, P0_4);    // Grove RTC is connected to I2C SDA(P0_5) and SCL(P0_4)
00007  
00008 int main() {
00009     const char *week[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
00010     int sec, min, hour, day, date, month, year;
00011     char strBuffer[16];
00012     
00013     lcd.begin();
00014     lcd.print("Clock");
00015     rtc.start_clock();
00016     rtc.gettime(&sec, &min, &hour, &day, &date, &month, &year);
00017     if (0 == year) {
00018         rtc.settime(0, 0, 0, 4, 1, 1, 2014 % 100); // Jan 1st, 2014, Wed, 00:00:00
00019     }
00020 
00021     while(1) {
00022         rtc.gettime(&sec, &min, &hour, &day, &date, &month, &year);
00023         snprintf(strBuffer, sizeof(strBuffer), "%d-%d-%d  %s", 2000 + year, month, date, week[day]);
00024         lcd.setCursor(0, 0);
00025         lcd.print(strBuffer);
00026         snprintf(strBuffer, sizeof(strBuffer), "%d:%d:%d", hour, min, sec);
00027         lcd.setCursor(0, 1);
00028         lcd.print(strBuffer);
00029         wait(0.5);
00030     }
00031 }
00032 
00033