Exemplos de Wire_read em C++ (Cpp)

Exemplo n.º 1

Arquivo: RTClib.cpp Projeto: TonRe/RTClib

uint8_t RTC_DS1307::isrunning(void) {
  Wire.beginTransmission(DS1307_ADDRESS);
  Wire_write((byte)0);	
  Wire.endTransmission();

  Wire.requestFrom(DS1307_ADDRESS, 1);
  uint8_t ss = Wire_read();
  return !(ss>>7);
}

Exemplo n.º 2

Arquivo: RTClib.cpp Projeto: TonRe/RTClib

DateTime RTC_DS1307::now() {
  Wire.beginTransmission(DS1307_ADDRESS);
  Wire_write((byte)0);	
  Wire.endTransmission();
  
  Wire.requestFrom(DS1307_ADDRESS, 7);
  uint8_t ss = bcd2bin(Wire_read() & 0x7F);
  uint8_t mm = bcd2bin(Wire_read());
  uint8_t hh = bcd2bin(Wire_read());
  Wire_read();
  uint8_t d = bcd2bin(Wire_read());
  uint8_t m = bcd2bin(Wire_read());
  uint16_t y = bcd2bin(Wire_read()) + 2000;
  
  return DateTime (y, m, d, hh, mm, ss);
}

Exemplo n.º 3

Arquivo: RTClib.cpp Projeto: dacarley/Arduino

DateTime RTC_DS1307::now() {
  Wire.beginTransmission(DS1307_ADDRESS);
  Wire_write(DS1307_Registers::Second);
  Wire.endTransmission();
  
  Wire.requestFrom(DS1307_ADDRESS, 7);
  uint8_t ss = bcd2bin(Wire_read() & 0x7F);
  uint8_t mm = bcd2bin(Wire_read());
  uint8_t hh = bcd2bin(Wire_read());
  Wire_read();	// ignore the day-of-week value
  uint8_t d = bcd2bin(Wire_read());
  uint8_t m = bcd2bin(Wire_read());
  uint16_t y = bcd2bin(Wire_read()) + 2000;
  
  return DateTime (y, m, d, hh, mm, ss);
}

Exemplo n.º 4

Arquivo: HP03M.cpp Projeto: dacarley/Arduino

/* 
 * Function calibrationDataRead
 * Desc     Read the calibration data from HP03M EEPROM
 * Input    none
 * Output   none
 */
void HP03M::calibrationDataRead(void)
{
    unsigned char calibrationData[18];
    digitalWrite(xclr_pin,LOW);
    Wire.beginTransmission(HP03M_CalEEPROM_Address);
    Wire_write(0x10);
    Wire.endTransmission();
    for(unsigned char i=0;i<18;i++)
    {
        Wire.requestFrom(HP03M_CalEEPROM_Address,1);
        while(Wire.available())
        {
            calibrationData[i]= Wire_read();
        }
        
    }
    coefficientFill(calibrationData);
    return;
}

Exemplo n.º 5

Arquivo: HP03M.cpp Projeto: dacarley/Arduino

void rawTemperatureReadHelper(unsigned char *temperature)
{
    Wire.beginTransmission(HP03M_ADC_Address);
    Wire_write(0xFF);
    Wire_write(0xE8);
    Wire.endTransmission();
    delay(40);
    Wire.beginTransmission(HP03M_ADC_Address);
    Wire_write(0xFD);
    Wire.endTransmission();
    for(unsigned char i=0;i<2;i++)
    {
        Wire.requestFrom(HP03M_ADC_Address, 1 );
        while(Wire.available())
        {
            temperature[i]= Wire_read();
        }
    }
    Wire.endTransmission(); //End read, got the Temperature data
}