C++ (Cpp) bcdtodecの例

コード例 #1

ファイル: ds3231.cpp プロジェクト: rodan/ds3231

void DS3231_get(struct ts *t)
{
    uint8_t TimeDate[7];        //second,minute,hour,dow,day,month,year
    uint8_t century = 0;
    uint8_t i, n;
    uint16_t year_full;

    Wire.beginTransmission(DS3231_I2C_ADDR);
    Wire.write(DS3231_TIME_CAL_ADDR);
    Wire.endTransmission();

	uint8_t gotData = false;
	uint32_t start = millis(); // start timeout
	while(millis()-start < DS3231_TRANSACTION_TIMEOUT){
	  if (Wire.requestFrom(DS3231_I2C_ADDR, 7) == 7) {
      	gotData = true;
      	break;
      }
      delay(2);
    }
	if (!gotData)
    	return; // error timeout
    
    for (i = 0; i <= 6; i++) {
        n = Wire.read();
        if (i == 5) {
            TimeDate[5] = bcdtodec(n & 0x1F);
            century = (n & 0x80) >> 7;
        } else

コード例 #2

ファイル: ds3234.cpp プロジェクト: garthoff/ds3234

// type==0 returns hh:mm:ss YYMMDD
// type==1 returns YYYYMMDD
// type==2 returns D
// type==3 returns YYYYMMDD hh:mm:ss
void DS3234_get(uint8_t pin, unsigned char type, char *buf, size_t len)
{
    uint8_t TimeDate[7];        //second,minute,hour,dow,day,month,year
    uint8_t century = 0;
    uint8_t i, n;
    uint16_t year_full;

    for (i = 0; i <= 6; i++) {
        digitalWrite(pin, LOW);
        SPI.transfer(i + 0x00);
        n = SPI.transfer(0x00);
        digitalWrite(pin, HIGH);
        if (i == 5) {           // month address also contains the century on bit7
            TimeDate[5] = bcdtodec(n & 0x1F);
            century = (n & B10000000) >> 7;
        } else {

コード例 #3

ファイル: ds3234.cpp プロジェクト: Enggmaug/VentilationLignade

void DS3234_get(const uint8_t pin, struct ts *t)
{
  uint8_t TimeDate[7];        //second,minute,hour,dow,day,month,year
  uint8_t century = 0;
  uint8_t i, n;
  uint16_t year_full;

  SPI.beginTransaction(SPISettings(pin, MSBFIRST, SPI_MODE1));
  for (i = 0; i <= 6; i++) {
    digitalWrite(pin, LOW);
    SPI.transfer(i + 0x00);
    n = SPI.transfer(0x00);
    digitalWrite(pin, HIGH);
    if (i == 5) {           // month address also contains the century on bit7
      TimeDate[5] = bcdtodec(n & 0x1F);
      century = (n & 0x80) >> 7;
    } else {

コード例 #4

ファイル: ds3231.cpp プロジェクト: Fuddles/Scent-Alarm-Clock

void DS3231_get(struct ts *t)
{
    uint8_t TimeDate[7];        //second,minute,hour,dow,day,month,year
    uint8_t century = 0;
    uint8_t i, n;
    uint16_t year_full;

    Wire.beginTransmission(DS3231_I2C_ADDR);
    Wire.write(DS3231_TIME_CAL_ADDR);
    Wire.endTransmission();

    Wire.requestFrom(DS3231_I2C_ADDR, 7);

    for (i = 0; i <= 6; i++) {
        n = Wire.read();
        if (i == 5) {
            TimeDate[5] = bcdtodec(n & 0x1F);
            century = (n & 0x80) >> 7;
        } else

コード例 #5

ファイル: ds3234.cpp プロジェクト: garthoff/ds3234

{
    uint8_t TimeDate[7];        //second,minute,hour,dow,day,month,year
    uint8_t century = 0;
    uint8_t i, n;
    uint16_t year_full;

    for (i = 0; i <= 6; i++) {
        digitalWrite(pin, LOW);
        SPI.transfer(i + 0x00);
        n = SPI.transfer(0x00);
        digitalWrite(pin, HIGH);
        if (i == 5) {           // month address also contains the century on bit7
            TimeDate[5] = bcdtodec(n & 0x1F);
            century = (n & B10000000) >> 7;
        } else {
            TimeDate[i] = bcdtodec(n);
        }
    }

    if (century == 1)
        year_full = 2000 + TimeDate[6];
    else
        year_full = 1900 + TimeDate[6];

    if (type == 0) {
        snprintf(buf, len, "%02d:%02d:%02d %d%02d%02d", TimeDate[2],
                 TimeDate[1], TimeDate[0], year_full, TimeDate[5], TimeDate[4]);
    } else if (type == 1) {
        snprintf(buf, len, "%d%02d%02d", year_full, TimeDate[5], TimeDate[4]);
    } else if (type == 2) {
        snprintf(buf, len, "%d", TimeDate[4]);