DAC60508.h

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// Copyright (c) 2024 anabrid GmbH
// Contact: https://www.anabrid.com/licensing/
// SPDX-License-Identifier: MIT OR GPL-2.0-or-later
 
#pragma once
 
#include "bus/bus.h"
#include <bus/functions.h>
 
namespace functions {
 
class DAC60508 : public DataFunction {
public:
  static constexpr uint8_t REG_NOOP = 0;
  static constexpr uint8_t REG_DEVICE_ID = 1;
  static constexpr uint8_t REG_SYNC = 2;
  static constexpr uint8_t REG_CONFIG = 3;
  static constexpr uint8_t REG_GAIN = 4;
  static constexpr uint8_t REG_TRIGGER = 5;
  static constexpr uint8_t REG_BROADCAST = 6;
  static constexpr uint8_t REG_STATUS = 7;
 
  static constexpr uint8_t REG_DAC(const uint8_t i) { return 8 + i; };
 
  static constexpr uint16_t RAW_ZERO = 0x0;
  static constexpr uint16_t RAW_MAX = 0x0FFF;
 
  static const SPISettings DEFAULT_SPI_SETTINGS;
 
  using DataFunction::DataFunction;
  explicit DAC60508(bus::addr_t address, float reference_voltage = 2.5f);
 
  uint16_t float_to_raw(float value) const;
  float raw_to_float(uint16_t value) const;
 
  bool set_channel_raw(uint8_t idx, uint16_t value) const;
  bool set_channel(uint8_t idx, float value) const;
 
  bool init() const;
 
  bool set_external_reference(bool set = true) const;
  bool set_double_gain(uint8_t idx, bool set = true) const;
  bool set_double_gain(bool set = true) const;
 
private:
  uint16_t read_register(uint8_t address) const;
  bool write_register(uint8_t address, uint16_t data) const;
 
  const float v_ref;
};
 
} // namespace functions