void DS3234_set(uint8_t pin, uint8_t s, uint8_t mi, uint8_t h, uint8_t dw,
uint8_t d, uint8_t mo, uint16_t y)
{
uint8_t i, century, short_y;
if (y > 2000) {
century = B10000000;
short_y = y - 2000;
} else {
century = 0;
short_y = y - 1900;
}
uint8_t TimeDate[7] = { s, mi, h, dw, d, mo, short_y };
for (i = 0; i <= 6; i++) {
digitalWrite(pin, LOW);
SPI.transfer(i + 0x80);
if (i == 5)
SPI.transfer(dectobcd(TimeDate[5]) + century);
else
SPI.transfer(dectobcd(TimeDate[i]));
digitalWrite(pin, HIGH);
}
}
void DS3234_set(const uint8_t pin, struct ts t)
{
uint8_t i, century;
if (t.year > 2000) {
century = 0x80;
t.year_s = t.year - 2000;
} else {
century = 0;
t.year_s = t.year - 1900;
}
SPI.beginTransaction(SPISettings(pin, MSBFIRST, SPI_MODE1));
uint8_t TimeDate[7] = { t.sec, t.min, t.hour, t.wday, t.mday, t.mon, t.year_s };
for (i = 0; i <= 6; i++) {
digitalWrite(pin, LOW);
SPI.transfer(i + 0x80);
if (i == 5)
SPI.transfer(dectobcd(TimeDate[5]) + century);
else
SPI.transfer(dectobcd(TimeDate[i]));
digitalWrite(pin, HIGH);
}
SPI.endTransaction();
}
void DS3231_set(struct ts t)
{
uint8_t i, century;
if (t.year > 2000) {
century = 0x80;
t.year_s = t.year - 2000;
} else {
century = 0;
t.year_s = t.year - 1900;
}
uint8_t TimeDate[7] = { t.sec, t.min, t.hour, t.wday, t.mday, t.mon, t.year_s };
Wire.beginTransmission(DS3231_I2C_ADDR);
Wire.write(DS3231_TIME_CAL_ADDR);
for (i = 0; i <= 6; i++) {
TimeDate[i] = dectobcd(TimeDate[i]);
if (i == 5)
TimeDate[5] += century;
Wire.write(TimeDate[i]);
}
Wire.endTransmission();
}
