devcode.tmp

#include <mbed.h>
#include "Rtc_Ds1307.h"

I2C i2c(I2C_SDA , I2C_SCL);


int CLOCK_READ = 0xD1;
int CLOCK_WRITE = 0xD0;

int bcdtodec( int bcd) {
    int low = 0;
    int high = 0;
    high = bcd / 16;
    low = bcd - (high * 16);
    return ((high * 10) + low);
}


void getTime(){
 int status;
  //Send Satrt Signal
  
  i2c.start();

  //Write Seconds
  
  status = i2c.write(CLOCK_WRITE);
  printf("Status was %d\n", status);
  i2c.write(0x00) ; //Seconds Register

  //Send Read Signal
  i2c.stop();
  i2c.start();

  status = i2c.write(CLOCK_READ);     /* slave address with read mode */
  printf("Read Status was %d\n", status);
  int  seconds = i2c.read(1);  // Read the slave with ACK
  int  minutes= i2c.read(1);
  int  hour = i2c.read(1);
  int  day = i2c.read(1);
  int   date = i2c.read(1);
  int   month = i2c.read(1);
  int  year = i2c.read(0);     // Read the slave with not-ACK 

  //Stop
  i2c.stop();

  printf("Seconds is %d\n", seconds);
  printf("Minutes is %d\n", minutes);
  printf("Hours %d\n", hour);
  printf("D %d\n", day);
  printf("M %d\n", month);
  printf("Y %d\n", year);

  int newSeconds = seconds & 0x7f;
  printf("New Seconds %d\n", newSeconds);
  int printSeconds = bcdtodec(newSeconds);
  printf("BCD Seconds %d", printSeconds);
  printf("BCD Year %d\n", bcdtodec(year));
 
}


int main2() {

  DigitalOut led(LED1);
  // put your setup code here, to run once:
  time_t localTime; 

  getTime();
  
  while(1) {
    // put your main code here, to run repeatedly:

    //Get the Local Time
    localTime = time(NULL);
    printf("Time as seconds since January 1, 1970 = %u\n", (unsigned int)localTime);
    printf("Time as a basic string = %s\n", ctime(&localTime));
  
    getTime();
    led = !led;
    thread_sleep_for(10000);
  }
}