void DS1307RTC::write(tmElements_t &tm)
{
if (ctrl_id == DS1307_CTRL_ID) {
Wire.beginTransmission(ctrl_id);
Wire.write((uint8_t)0x00); // reset register pointer
Wire.write(dec2bcd(tm.Second) & 0x7f); // ray: start clock by setting CH bit low
Wire.write(dec2bcd(tm.Minute));
Wire.write(dec2bcd(tm.Hour)); // sets 24 hour format
Wire.write(dec2bcd(tm.Wday));
Wire.write(dec2bcd(tm.Day));
Wire.write(dec2bcd(tm.Month));
Wire.write(dec2bcd(tmYearToY2k(tm.Year)));
Wire.endTransmission();
} else if (ctrl_id == MCP7940_CTRL_ID) {
Wire.beginTransmission(ctrl_id);
Wire.write((uint8_t)0x00); // reset register pointer
Wire.write(dec2bcd(tm.Second) | 0x80); // ray: start clock by setting ST bit high
Wire.write(dec2bcd(tm.Minute));
Wire.write(dec2bcd(tm.Hour)); // sets 24 hour format
Wire.write(dec2bcd(tm.Wday) | 0x08); // ray: turn on battery backup by setting VBATEN bit high
Wire.write(dec2bcd(tm.Day));
Wire.write(dec2bcd(tm.Month));
Wire.write(dec2bcd(tmYearToY2k(tm.Year)));
Wire.endTransmission();
} else {
// undefined RTC type
}
}
bool SensorDs1307::write(tmElements_t &tm)
{
Wire.beginTransmission(DS1307_CTRL_ID);
#if ARDUINO >= 100
Wire.write((uint8_t)0x00); // reset register pointer
Wire.write(dec2bcd(tm.Second)) ;
Wire.write(dec2bcd(tm.Minute));
Wire.write(dec2bcd(tm.Hour)); // sets 24 hour format
Wire.write(dec2bcd(tm.Wday));
Wire.write(dec2bcd(tm.Day));
Wire.write(dec2bcd(tm.Month));
Wire.write(dec2bcd(tmYearToY2k(tm.Year)));
#else
Wire.send(0x00); // reset register pointer
Wire.send(dec2bcd(tm.Second)) ;
Wire.send(dec2bcd(tm.Minute));
Wire.send(dec2bcd(tm.Hour)); // sets 24 hour format
Wire.send(dec2bcd(tm.Wday));
Wire.send(dec2bcd(tm.Day));
Wire.send(dec2bcd(tm.Month));
Wire.send(dec2bcd(tmYearToY2k(tm.Year)));
#endif
if (Wire.endTransmission() != 0) {
exists = false;
return false;
}
exists = true;
return true;
}
void DS1307RTC::write(tmElements_t &tm)
{
Wire.beginTransmission(DS1307_CTRL_ID);
#if ARDUINO >= 100
Wire.write((byte)0x00);
Wire.write(dec2bcd(tm.Second)) ;
Wire.write(dec2bcd(tm.Minute));
Wire.write(dec2bcd(tm.Hour)); // sets 24 hour format
Wire.write(dec2bcd(tm.Wday));
Wire.write(dec2bcd(tm.Day));
Wire.write(dec2bcd(tm.Month));
Wire.write(dec2bcd(tmYearToY2k(tm.Year)));
#else
Wire.send(0x00);
Wire.send(dec2bcd(tm.Second)) ;
Wire.send(dec2bcd(tm.Minute));
Wire.send(dec2bcd(tm.Hour)); // sets 24 hour format
Wire.send(dec2bcd(tm.Wday));
Wire.send(dec2bcd(tm.Day));
Wire.send(dec2bcd(tm.Month));
Wire.send(dec2bcd(tmYearToY2k(tm.Year)));
#endif
Wire.endTransmission();
}
/*
* setTime
*/
bool DS1339::setTime(time_t t) {
byte buffer[7];
tmElements_t tm;
breakTime(t, tm);
buffer[0] = dec2bcd(tm.Second);
buffer[1] = dec2bcd(tm.Minute);
buffer[2] = dec2bcd(tm.Hour);
buffer[3] = dec2bcd(tm.Wday);
buffer[4] = dec2bcd(tm.Day);
buffer[5] = dec2bcd(tm.Month);
buffer[6] = dec2bcd(tmYearToY2k(tm.Year));
buffer[0] |= DS1339_CLOCKHALT; // stop the clock
if(writeBytes(buffer, 0, 7) !=7) {
return false;
}
if(isRunning()) {
buffer[0] &= DS1339_SEC_MASK;
if(writeBytes(buffer, 0, 7) != 7) {
return false;
}
}
return true;
}
/*----------------------------------------------------------------------*
* Set the RTC's time from a tmElements_t structure. *
* Returns the I2C status (zero if successful). *
*----------------------------------------------------------------------*/
byte DS3232RTC::write(tmElements_t &tm)
{
i2cBeginTransmission(RTC_ADDR);
i2cWrite((uint8_t)RTC_SECONDS);
i2cWrite(dec2bcd(tm.Second));
i2cWrite(dec2bcd(tm.Minute));
i2cWrite(dec2bcd(tm.Hour)); //sets 24 hour format (Bit 6 == 0)
i2cWrite(tm.Wday);
i2cWrite(dec2bcd(tm.Day));
i2cWrite(dec2bcd(tm.Month));
i2cWrite(dec2bcd(tmYearToY2k(tm.Year)));
return i2cEndTransmission();
}
void DS1307RTC::write(tmElements_t &tm)
{
Wire.beginTransmission(DS1307_CTRL_ID);
Wire.write(0x00); // reset register pointer
Wire.write(dec2bcd(tm.Second)) ;
Wire.write(dec2bcd(tm.Minute));
Wire.write(dec2bcd(tm.Hour)); // sets 24 hour format
Wire.write(dec2bcd(tm.Wday));
Wire.write(dec2bcd(tm.Day));
Wire.write(dec2bcd(tm.Month));
Wire.write(dec2bcd(tmYearToY2k(tm.Year)));
Wire.endTransmission();
}
/*----------------------------------------------------------------------*
* Sets the RTC's time from a tmElements_t structure and clears the *
* oscillator stop flag (OSF) in the Control/Status register. *
* Returns the I2C status (zero if successful). *
*----------------------------------------------------------------------*/
byte DS3232RTC::write(tmElements_t &tm)
{
i2cBeginTransmission(RTC_ADDR);
i2cWrite((uint8_t)RTC_SECONDS);
i2cWrite(dec2bcd(tm.Second));
i2cWrite(dec2bcd(tm.Minute));
i2cWrite(dec2bcd(tm.Hour)); //sets 24 hour format (Bit 6 == 0)
i2cWrite(tm.Wday);
i2cWrite(dec2bcd(tm.Day));
i2cWrite(dec2bcd(tm.Month));
i2cWrite(dec2bcd(tmYearToY2k(tm.Year)));
byte ret = i2cEndTransmission();
uint8_t s = readRTC(RTC_STATUS); //read the status register
writeRTC( RTC_STATUS, s & ~_BV(OSF) ); //clear the Oscillator Stop Flag
return ret;
}
bool DS1307RTC::write(tmElements_t &tm)
{
uint8_t message[7];
message[0]=(dec2bcd(tm.Second)) ;
message[1]=(dec2bcd(tm.Minute));
message[2]=(dec2bcd(tm.Hour)); // sets 24 hour format
message[3]=(dec2bcd(tm.Wday));
message[4]=(dec2bcd(tm.Day));
message[5]=(dec2bcd(tm.Month));
message[6]=(dec2bcd(tmYearToY2k(tm.Year)));
if(I2c.write(DS1307_CTRL_ID, 0x00, message, 7) != 0)
{
exists = false;
return false;
}
exists = true;
return true;
}
// --------------------------------------------------------
// Set the RTC's time from a tmElements_t structure.
// Returns the bus status (zero if successful).
uint8_t DS1302RTC::write(tmElements_t &tm)
{
uint8_t buff[8];
writeEN(true);
if(!writeEN()) return 255; // Error! Write-protect not disabled
buff[0] = dec2bcd(tm.Second); // Disable Clock halt flag
buff[1] = dec2bcd(tm.Minute);
buff[2] = dec2bcd(tm.Hour); // 24-hour mode
buff[3] = dec2bcd(tm.Day);
buff[4] = dec2bcd(tm.Month);
buff[5] = tm.Wday;
buff[6] = dec2bcd(tmYearToY2k(tm.Year));
buff[7] = B10000000; // Write protect enable
writeRTC(buff);
return writeEN();
}
