File dac.hpp

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// Copyright 2023 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#pragma once

#include <cstdint>

#include "error.hpp"

namespace hal {
class dac
{
public:
  struct write_t
  {};

  [[nodiscard]] result<write_t> write(float p_percentage)
  {
    auto clamped_percentage = std::clamp(p_percentage, 0.0f, 1.0f);
    return driver_write(clamped_percentage);
  }

  virtual ~dac() = default;

private:
  virtual result<write_t> driver_write(float p_percentage) = 0;
};
}  // namespace hal