1 // Copyright 2023 The Pigweed Authors 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); you may not 4 // use this file except in compliance with the License. You may obtain a copy of 5 // the License at 6 // 7 // https://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 11 // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 12 // License for the specific language governing permissions and limitations under 13 // the License. 14 15 #pragma once 16 #include <cstdint> 17 18 #include "pw_bluetooth_sapphire/internal/host/transport/acl_data_channel.h" 19 20 namespace bt::gap { 21 22 // Stores Bluetooth Low Energy settings and state information. 23 class LowEnergyState final { 24 public: 25 // Returns true if |feature_bit| is set as supported in the local LE features 26 // list. IsFeatureSupported(hci_spec::LESupportedFeature feature_bit)27 inline bool IsFeatureSupported( 28 hci_spec::LESupportedFeature feature_bit) const { 29 return supported_features_ & static_cast<uint64_t>(feature_bit); 30 } 31 supported_features()32 uint64_t supported_features() const { return supported_features_; } 33 34 // Returns the LE ACL data buffer capacity. acl_data_buffer_info()35 const hci::DataBufferInfo& acl_data_buffer_info() const { 36 return acl_data_buffer_info_; 37 } 38 39 // Returns the ISO data buffer capacity. iso_data_buffer_info()40 const hci::DataBufferInfo& iso_data_buffer_info() const { 41 return iso_data_buffer_info_; 42 } 43 44 private: 45 friend class Adapter; 46 friend class AdapterImpl; 47 48 // Storage capacity information about the controller's internal ACL data 49 // buffers. 50 hci::DataBufferInfo acl_data_buffer_info_; 51 52 // Storage capacity information about the controller's internal ISO data 53 // buffers. 54 hci::DataBufferInfo iso_data_buffer_info_; 55 56 // Local supported LE Features reported by the controller. 57 uint64_t supported_features_ = 0; 58 59 // Local supported LE states reported by the controller. 60 uint64_t supported_states_ = 0; 61 }; 62 63 } // namespace bt::gap 64