/*************************************************************************************************/
/*!
 *  \file
 *
 *  \brief  Link layer controller CIS slave interface file.
 *
 *  Copyright (c) 2013-2019 Arm Ltd. All Rights Reserved.
 *
 *  Copyright (c) 2019-2020 Packetcraft, Inc.
 *  
 *  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.
 */
/*************************************************************************************************/

#ifndef LCTR_API_CIS_H
#define LCTR_API_CIS_H

#include "lctr_api.h"
#include "lmgr_api_cis_slave.h"
#include "cfg_mac_ble.h"
#include "lmgr_api_iso.h"

#ifdef __cplusplus
extern "C" {
#endif

/**************************************************************************************************
  Constants
**************************************************************************************************/

/*! \brief      Maximum value for maximum Data PDU length (spec limit is 251) */
#define LCTR_CIS_MAX_DATA_LEN_MAX       BB_DATA_PLD_MAX_LEN

/*! \brief      Data channel PDU length (header + payload + MIC). */
#define LCTR_CIS_DATA_PDU_LEN(len)      ((len) + LL_DATA_HDR_LEN + LL_DATA_MIC_LEN)

/*! \brief      Maximum data channel PDU length (header + payload + MIC). */
#define LCTR_CIS_DATA_PDU_MAX_LEN       LCTR_CIS_DATA_PDU_LEN(LCTR_CIS_MAX_DATA_LEN_MAX)

/*! \brief      Minimum data channel PDU length (header + payload + MIC). */
#define LCTR_CIS_DATA_PDU_MIN_LEN       LCTR_CIS_DATA_PDU_LEN(0)

/*! \brief      CIS messages. */
enum
{
  /* Broadcast events */
  LCTR_CIS_MSG_RESET               = LCTR_MSG_RESET,    /*!< Reset API message. */
  /* Scan events */
  LCTR_CIS_MSG_CIS_EST,                                 /*!< CIS established event. */
  LCTR_CIS_MSG_CIS_EST_FAIL,                            /*!< CIS establishment failed event. */
  LCTR_CIS_MSG_CIS_DISC,                                /*!< CIS disconnect event. */
  LCTR_CIS_MSG_CIS_CONN_FAIL,                           /*!< CIS connection fail to maintain event. */
  LCTR_CIS_MSG_CIS_CLOSED,                              /*!< CIS closed event. */
  LCTR_CIS_MSG_CIS_TERM_MIC_FAILED,                     /*!< CIS terminated due to MIC failiure event. */
  LCTR_CIS_MSG_TOTAL,                                   /*!< Total number of CIS slave events. */
  LCTR_CIS_MSG_INVALID= 0xFF,                           /*!< Invalid CIS message. */
};

/**************************************************************************************************
  Data Types
**************************************************************************************************/

/*! \brief      Disconnect message. Make sure it has the same structure as lctrDisconnect_t. */
typedef struct
{
  lctrMsgHdr_t          hdr;        /*!< Message header. */
  uint8_t               reason;     /*!< Disconnect reason. */
} lctrCisDisconnect_t;

/*! \brief      Link layer controller message data. */
typedef union
{
  lctrMsgHdr_t          hdr;        /*!< Message header. */
  lctrCisDisconnect_t   disc;       /*!< Disconnect message data. */
} lctrCisMsg_t;

/**************************************************************************************************
  Function Declarations
**************************************************************************************************/

/* Initialization */
void LctrCisSlvInit();

#ifdef __cplusplus
};
#endif

#endif /* LCTR_API_CIS_H */