I try to convert DS1307 lib for IDE 1.0
Now no errors, I can setup time, but RTC dont start.
please help find error.
See attached files.
DS1307.h
#ifndef DS1307_h
#define DS1307_h
#include "Arduino.h"
#include "Wire.h"
#define DS1307_CTRL_ID B1101000
#define DS1307_SEC 0
#define DS1307_MIN 1
#define DS1307_HR 2
#define DS1307_DOW 3
#define DS1307_DATE 4
#define DS1307_MTH 5
#define DS1307_YR 6
#define DS1307_BASE_YR 2000
// Define register bit masks
#define DS1307_CLOCKHALT B10000000
#define DS1307_LO_BCD B00001111
#define DS1307_HI_BCD B11110000
#define DS1307_HI_SEC B01110000
#define DS1307_HI_MIN B01110000
#define DS1307_HI_HR B00110000
#define DS1307_LO_DOW B00000111
#define DS1307_HI_DATE B00110000
#define DS1307_HI_MTH B00110000
#define DS1307_HI_YR B11110000
class DS1307
{
public:
DS1307();
void get_RTC(int *rtc,boolean refresh);
int get_RTC(int c,boolean refresh);
void set_RTC(int c, int v);
void stop_RTC(void);
void start_RTC(void);
private:
byte rtc_bcd[7];
void read_RTC(void);
void save_RTC(void);
};
#endif
DS1307.cpp
#include "Arduino.h"
#include "DS1307.h"
#include "Wire.h"
DS1307::DS1307()
{
Wire.begin();
}
//-------PRIVATE
void DS1307::read_RTC(void) //DS1307::read(void)
{
// reset the resgiter pointer to zero
Wire.beginTransmission(DS1307_CTRL_ID); // use the Wire lib to connect to tho rtc
Wire.write(0,DEC); // reset the resgiter pointer to zero
Wire.endTransmission();
// request the 7 bytes of data (secs, min, hr, dow, date. mth, yr)
Wire.requestFrom(DS1307_CTRL_ID, 7);
for(int i=0; i<7; i++)
{
// store data in raw bcd format
rtc_bcd[i]=Wire.read();
}
}
//----------------
// update the data on the IC from the bcd formatted data in the buffer
void DS1307::save_RTC(void) //DS1307::save(void)
{
Wire.beginTransmission(DS1307_CTRL_ID);
Wire.write(0,DEC); // reset register pointer
for(int i=0; i<7; i++)
{
Wire.write(rtc_bcd[i]);
}
Wire.endTransmission();
}
//------------PUBLIC-----------------------------------------------------------
void DS1307::get_RTC(int *rtc,boolean refresh) // DS1307::get(int *rtc,boolean refresh) Aquire data from buffer and convert to int, refresh buffer if required
{
if(refresh) read_RTC();
for(int i=0;i<7;i++) // cycle through each component, create array of data
{
rtc[i]=get_RTC(i, 0);
}
}
//-------------------
int DS1307::get_RTC(int c,boolean refresh)
{
if(refresh) read_RTC();
int v=-1;
switch(c)
{
case DS1307_SEC:
v=(10*((rtc_bcd[DS1307_SEC] & DS1307_HI_SEC)>>4))+(rtc_bcd[DS1307_SEC] & DS1307_LO_BCD);
break;
case DS1307_MIN:
v=(10*((rtc_bcd[DS1307_MIN] & DS1307_HI_MIN)>>4))+(rtc_bcd[DS1307_MIN] & DS1307_LO_BCD);
break;
case DS1307_HR:
v=(10*((rtc_bcd[DS1307_HR] & DS1307_HI_HR)>>4))+(rtc_bcd[DS1307_HR] & DS1307_LO_BCD);
break;
case DS1307_DOW:
v=rtc_bcd[DS1307_DOW] & DS1307_LO_DOW;
break;
case DS1307_DATE:
v=(10*((rtc_bcd[DS1307_DATE] & DS1307_HI_DATE)>>4))+(rtc_bcd[DS1307_DATE] & DS1307_LO_BCD);
break;
case DS1307_MTH:
v=(10*((rtc_bcd[DS1307_MTH] & DS1307_HI_MTH)>>4))+(rtc_bcd[DS1307_MTH] & DS1307_LO_BCD);
break;
case DS1307_YR:
v=(10*((rtc_bcd[DS1307_YR] & DS1307_HI_YR)>>4))+(rtc_bcd[DS1307_YR] & DS1307_LO_BCD)+DS1307_BASE_YR;
break;
} // end switch
return v;
}
//-----------------------------
void DS1307::set_RTC(int c, int v) //DS1307::set(int c, int v) Update buffer, then update the chip
{
switch(c)
{
case DS1307_SEC:
if(v<60 && v>-1)
{
//preserve existing clock state (running/stopped)
int state=rtc_bcd[DS1307_SEC] & DS1307_CLOCKHALT;
rtc_bcd[DS1307_SEC]=state | ((v / 10)<<4) + (v % 10);
}
break;
case DS1307_MIN:
if(v<60 && v>-1)
{
rtc_bcd[DS1307_MIN]=((v / 10)<<4) + (v % 10);
}
break;
case DS1307_HR:
// TODO : AM/PM 12HR/24HR
if(v<24 && v>-1)
{
rtc_bcd[DS1307_HR]=((v / 10)<<4) + (v % 10);
}
break;
case DS1307_DOW:
if(v<8 && v>-1)
{
rtc_bcd[DS1307_DOW]=v;
}
break;
case DS1307_DATE:
if(v<31 && v>-1)
{
rtc_bcd[DS1307_DATE]=((v / 10)<<4) + (v % 10);
}
break;
case DS1307_MTH:
if(v<13 && v>-1)
{
rtc_bcd[DS1307_MTH]=((v / 10)<<4) + (v % 10);
}
break;
case DS1307_YR:
if(v<13 && v>-1)
{
rtc_bcd[DS1307_YR]=((v / 10)<<4) + (v % 10);
}
break;
} // end switch
save_RTC();
}
void DS1307::stop_RTC(void) //DS1307::stop(void)
{
// set the ClockHalt bit high to stop the rtc
// this bit is part of the seconds byte
rtc_bcd[DS1307_SEC]=rtc_bcd[DS1307_SEC] | DS1307_CLOCKHALT;
save_RTC();
}
//---------------------
void DS1307::start_RTC(void) //DS1307::start(void)
{
// unset the ClockHalt bit to start the rtc
// TODO : preserve existing seconds
rtc_bcd[DS1307_SEC]=0;
save_RTC();
}