TCS230.hh

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#ifndef COSA_TCS320_HH
#define COSA_TCS320_HH

#include "Cosa/OutputPin.hh"
#include "Cosa/ExternalInterrupt.hh"

class TCS230 {
public:
  enum Filter {
    RED_FILTER = 0,
    BLUE_FILTER = 1,
    NO_FILTER = 2,
    GREEN_FILTER = 3
  };

#if !defined(BOARD_ATTINY)
  TCS230(Board::ExternalInterruptPin out = Board::EXT1,
         Board::DigitalPin s0 = Board::D4,
         Board::DigitalPin s1 = Board::D5,
         Board::DigitalPin s2 = Board::D6,
         Board::DigitalPin s3 = Board::D7);
#else
  TCS230(Board::ExternalInterruptPin out = Board::EXT0,
         Board::DigitalPin s0 = Board::D0,
         Board::DigitalPin s1 = Board::D1,
         Board::DigitalPin s2 = Board::D2,
         Board::DigitalPin s3 = Board::D3);
#endif

  void frequency_scaling(uint8_t percent);

  void photodiode(Filter type);

  uint16_t sample(uint8_t ms = 10);

private:
  class IRQPin : public ExternalInterrupt {
  public:
    static const uint16_t MAX = 10000;
    IRQPin(Board::ExternalInterruptPin pin);
    virtual void on_interrupt(uint16_t arg = 0);
    friend class TCS230;
  private:
    uint16_t m_count;
  };
  IRQPin m_out;
  OutputPin m_s0;
  OutputPin m_s1;
  OutputPin m_s2;
  OutputPin m_s3;
};

#endif