Created Mon, 28 Apr 2014 07:16:46 +0000 by ajitnayak
Mon, 28 Apr 2014 07:16:46 +0000
Here i am trying to upload below code. I am getting below error . let me know what i need to do.
UECIDE v0.8.4.d version i am using[attachment=0]R3.JPG[/attachment][attachment=1]RTC error.JPG[/attachment]
#include "Wire.h"
#define DS1307_ADDRESS 0x68
byte zero = 0x00; //workaround for issue #527
byte decToBcd(byte val){
// Convert normal decimal numbers to binary coded decimal
return ( (val/10*16) + (val%10) );
}
byte bcdToDec(byte val) {
// Convert binary coded decimal to normal decimal numbers
return ( (val/16*10) + (val%16) );
}
void setDateTime(){
byte second = 45; //0-59
byte minute =11; //0-59
byte hour = 10; //0-23
byte weekDay =2; //1-7
byte monthDay =23; //1-31
byte month = 03; //1-12
byte year = 14; //0-99
Wire.beginTransmission(DS1307_ADDRESS);
Wire.send(zero); //stop Oscillator
Wire.send(decToBcd(second));
Wire.send(decToBcd(minute));
Wire.send(decToBcd(hour));
Wire.send(decToBcd(weekDay));
Wire.send(decToBcd(monthDay));
Wire.send(decToBcd(month));
Wire.send(decToBcd(year));
Wire.send(zero); //start
Wire.endTransmission();
}
void printDate(){
// Reset the register pointer
Wire.beginTransmission(DS1307_ADDRESS);
Wire.send(zero);
Wire.endTransmission();
Wire.requestFrom(DS1307_ADDRESS, 7);
int second = bcdToDec(Wire.receive());
int minute = bcdToDec(Wire.receive());
int hour = bcdToDec(Wire.receive() & 0b111111); //24 hour time
int weekDay = bcdToDec(Wire.receive()); //0-6 -> sunday - Saturday
int monthDay = bcdToDec(Wire.receive());
int month = bcdToDec(Wire.receive());
int year = bcdToDec(Wire.receive());
/* int second = 11;
int minute =18;
int hour = 18;
int weekDay = 1;
int monthDay = 2;
int month = 11;
int year = 12;
*/
//print the date EG 3/1/11 23:59:59
Serial.print(monthDay);
Serial.print("/");
Serial.print(month);
Serial.print("/");
Serial.print(year);
Serial.print(" ");
Serial.print(hour);
Serial.print(":");
Serial.print(minute);
Serial.print(":");
Serial.println(second);
// Serial.print("Week Day Of week");
// Serial.println(weekDay);
}
void setup(){
Wire.begin();
Serial.begin(9600);
setDateTime(); //MUST CONFIGURE IN FUNCTION
}
void loop(){
printDate();
delay(1000);
}