Method begin

libraries/AD520X/AD520X.cpp:27–69

initializes the pins and starts SPI in case of hardware SPI

//  initializes the pins and starts SPI in case of hardware SPI
void AD520X::begin(uint8_t value)
{
  pinMode(_select, OUTPUT);
  digitalWrite(_select, HIGH);
  pinMode(_reset, OUTPUT);
  digitalWrite(_reset, HIGH);
  pinMode(_shutdown, OUTPUT);
  digitalWrite(_shutdown, HIGH);

  _spi_settings = SPISettings(_SPIspeed, MSBFIRST, SPI_MODE0);

  if(_hwSPI)
  {
    #if defined(ESP32)
    if (_useHSPI)      //  HSPI
    {
      mySPI = new SPIClass(HSPI);
      mySPI->end();
      mySPI->begin(14, 12, 13, _select);   //  CLK=14 MISO=12 MOSI=13
    }
    else               //  VSPI
    {
      mySPI = new SPIClass(VSPI);
      mySPI->end();
      mySPI->begin(18, 19, 23, _select);   //  CLK=18 MISO=19 MOSI=23
    }
    #else              //  generic hardware SPI
    mySPI = &SPI;
    mySPI->end();
    mySPI->begin();
    #endif
    delay(1);
  }
  else
  {
    pinMode(_dataOut, OUTPUT);
    pinMode(_clock,   OUTPUT);
    digitalWrite(_dataOut, LOW);
    digitalWrite(_clock,   LOW);
  }

  setAll(value);
}


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