controller2.h

// Copyright 2024 The Pigweed Authors
//
// 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
//
//     https://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 "pw_async2/dispatcher.h"
#include "pw_async2/once_sender.h"
#include "pw_bluetooth/vendor.h"
#include "pw_channel/channel.h"
#include "pw_function/function.h"
#include "pw_result/result.h"
#include "pw_status/status.h"
 
namespace pw::bluetooth {
 
class Controller2
    : public pw::channel::Implement<pw::channel::ReliableDatagramReaderWriter> {
 public:
  enum class FeaturesBits : uint32_t {
    kHciSco = (1 << 0),
    kSetAclPriorityCommand = (1 << 1),
    kAndroidVendorExtensions = (1 << 2),
  };
 
  enum class ScoCodingFormat : uint8_t {
    kCvsd,
    kMsbc,
  };
 
  enum class ScoEncoding : uint8_t {
    k8Bits,
    k16Bits,
  };
 
  enum class ScoSampleRate : uint8_t {
    k8Khz,
    k16Khz,
  };
 
  virtual async2::Poll<Status> PendError(async2::Context& cx) = 0;
 
  virtual async2::OnceReceiver<Status> Initialize() = 0;
 
  virtual async2::OnceReceiver<Status> ConfigureSco(
      ScoCodingFormat coding_format,
      ScoEncoding encoding,
      ScoSampleRate sample_rate) = 0;
 
  virtual async2::OnceReceiver<Status> ResetSco() = 0;
 
  virtual async2::OnceReceiver<FeaturesBits> GetFeatures() = 0;
 
  virtual async2::OnceReceiver<Result<multibuf::MultiBuf>> EncodeVendorCommand(
      VendorCommandParameters parameters) = 0;
};
 
inline constexpr bool operator&(Controller2::FeaturesBits left,
                                Controller2::FeaturesBits right) {
  return static_cast<bool>(
      static_cast<std::underlying_type_t<Controller2::FeaturesBits>>(left) &
      static_cast<std::underlying_type_t<Controller2::FeaturesBits>>(right));
}
 
inline constexpr Controller2::FeaturesBits operator|(
    Controller2::FeaturesBits left, Controller2::FeaturesBits right) {
  return static_cast<Controller2::FeaturesBits>(
      static_cast<std::underlying_type_t<Controller2::FeaturesBits>>(left) |
      static_cast<std::underlying_type_t<Controller2::FeaturesBits>>(right));
}
 
inline constexpr Controller2::FeaturesBits& operator|=(
    Controller2::FeaturesBits& left, Controller2::FeaturesBits right) {
  return left = left | right;
}
 
}  // namespace pw::bluetooth