linz/oekofen_thermo/src/MCP42010.cpp


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#include "MCP42010.h"

MCP42010::MCP42010(uint8_t ss_pin)
  : _ss_pin(ss_pin), _spiset(10000000, MSBFIRST, SPI_MODE0)
{}

void MCP42010::setup()
{
  pinMode(_ss_pin, OUTPUT);
  SPI.begin();
}

void MCP42010::setPot(MCP42010::Poti pot, uint8_t value)
{
  SPI.beginTransaction(_spiset);
  digitalWrite(_ss_pin, LOW);
  SPI.transfer(0b00010000 | pot);
  SPI.transfer(value);
  digitalWrite(_ss_pin, HIGH);
  SPI.endTransaction();
}