syntax = "proto3";

package bluetooth.iso;

import "google/protobuf/empty.proto";
import "facade/common.proto";

service IsoModuleFacade {
  rpc LeSetCigParameters(LeSetCigParametersRequest) returns (google.protobuf.Empty) {}
  rpc LeSetCigParametersTest(LeSetCigParametersTestRequest) returns (google.protobuf.Empty) {}
  rpc LeCreateCis(LeCreateCisRequest) returns (google.protobuf.Empty) {}
  rpc FetchIsoData(LeCisHandleMsg) returns (stream IsoPacket) {}
  rpc FetchIsoEvents(google.protobuf.Empty) returns (stream LeIsoEventsMsg) {}
  rpc SendIsoPacket(IsoPacket) returns (google.protobuf.Empty) {}
}

message IsoPacket {
  uint32 handle = 1;
  bytes payload = 3;
}

message LeSetCigParametersRequest {
  uint32 cig_id = 1;
  uint32 sdu_interval_m_to_s = 2;
  uint32 sdu_interval_s_to_m = 3;
  uint32 peripherals_clock_accuracy = 4;
  uint32 packing = 5;
  uint32 framing = 6;
  uint32 max_transport_latency_m_to_s = 7;
  uint32 max_transport_latency_s_to_m = 8;
  uint32 cis_id = 9;
  uint32 max_sdu_m_to_s = 10;
  uint32 max_sdu_s_to_m = 11;
  uint32 phy_m_to_s = 12;
  uint32 phy_s_to_m = 13;
  uint32 rtn_m_to_s = 14;
  uint32 rtn_s_to_m = 15;
}

message LeSetCigParametersTestRequest {
  uint32 cig_id = 1;
  uint32 sdu_interval_m_to_s = 2;
  uint32 sdu_interval_s_to_m = 3;
  uint32 ft_m_to_s = 4;
  uint32 ft_s_to_m = 5;
  uint32 iso_interval = 6;
  uint32 peripherals_clock_accuracy = 7;
  uint32 packing = 8;
  uint32 framing = 9;
  uint32 max_transport_latency_m_to_s = 10;
  uint32 max_transport_latency_s_to_m = 11;

  message LeCisParametersTestConfig {
    uint32 cis_id = 1;
    uint32 nse = 2;
    uint32 max_sdu_m_to_s = 3;
    uint32 max_sdu_s_to_m = 4;
    uint32 max_pdu_m_to_s = 5;
    uint32 max_pdu_s_to_m = 6;
    uint32 phy_m_to_s = 7;
    uint32 phy_s_to_m = 8;
    uint32 bn_m_to_s = 9;
    uint32 bn_s_to_m = 10;
  }

  repeated LeCisParametersTestConfig cis_configs = 12;
}

message LeCreateCisRequest {
  message HandlePair {
    uint32 cis_handle = 1;
    uint32 acl_handle = 2;
  }

  repeated HandlePair handle_pair = 1;
}

enum IsoMsgType {
  ISO_PARAMETERS_SET_COMPLETE = 0;
  ISO_CIS_ESTABLISHED = 1;
}

message LeIsoEventsMsg {
  IsoMsgType message_type = 1;
  repeated uint32 cis_handle = 2;
}

message LeCisHandleMsg {
  uint32 handle = 1;
}