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/*
* MOST NetServices "Light" V3.2.7.0.1796 MultiInstance Patch
*
* Copyright (C) 2015 Microchip Technology Germany II GmbH & Co. KG
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* You may also obtain this software under a propriety license from Microchip.
* Please contact Microchip for further information.
*
*/
/*!
* \file
* \brief Declaration of message encoder
*
* \cond MNS_INTERNAL_DOC
* \addtogroup G_ENCODER
* @{
*/
#ifndef MNS_ENCODER_H
#define MNS_ENCODER_H
/*------------------------------------------------------------------------------------------------*/
/* Includes */
/*------------------------------------------------------------------------------------------------*/
#include "mns_message.h"
#ifdef __cplusplus
extern "C"
{
#endif
/*------------------------------------------------------------------------------------------------*/
/* Defines */
/*------------------------------------------------------------------------------------------------*/
#define ENC_MAX_SIZE_CONTENT 16U /*!< \brief Maximum content size in bytes, quadlet aligned */
/*------------------------------------------------------------------------------------------------*/
/* Types */
/*------------------------------------------------------------------------------------------------*/
/*! \brief Retrieves the size of a MOST message header
* \return The size of the MOST message header in bytes.
*/
typedef uint8_t (*Enc_GetSize_t)(void);
/*! \brief Retrieves the content type of a MOST message header
* \return The content type of the MOST message header in bytes.
*/
typedef uint8_t (*Enc_GetContType_t)(void);
/*! \brief Encodes a message telegram to the MOST message header
* \param tel_ptr Reference to the Msg_MostTel_t structure
* \param header The header buffer
*/
typedef void (*Enc_Encode_t)(Msg_MostTel_t *tel_ptr, uint8_t header[]);
/*! \brief Decodes a MOST message header to a message telegram structure
* \param tel_ptr Reference to the Msg_MostTel_t structure
* \param header The header buffer
*/
typedef void (*Enc_Decode_t)(Msg_MostTel_t *tel_ptr, uint8_t header[]);
/*------------------------------------------------------------------------------------------------*/
/* Structures */
/*------------------------------------------------------------------------------------------------*/
/*! \brief Identifier for a MOST Message Content */
typedef enum Enc_MsgContent_
{
ENC_CONTENT_00 = 0x00, /*!< \brief Content Type "0x00": Uncompressed, excluding retry values */
ENC_CONTENT_80 = 0x80, /*!< \brief Content Type "0x80": Compressed, excluding retry values */
ENC_CONTENT_81 = 0x81 /*!< \brief Content Type "0x81": Compressed, including retry values */
} Enc_MsgContent_t;
/*! \brief Interface for message encoder */
typedef struct IEncoder_
{
Enc_MsgContent_t content_type; /*!< \brief Retrieves the content type of the MOST message header */
uint8_t pm_hdr_sz; /*!< \brief Retrieves the size of the Port Message header */
uint8_t msg_hdr_sz; /*!< \brief Retrieves the size of the MOST message header */
Enc_Encode_t encode_fptr; /*!< \brief Function required to encode a MOST message header */
Enc_Decode_t decode_fptr; /*!< \brief Function required to decode a MOST message header */
} IEncoder;
/*------------------------------------------------------------------------------------------------*/
/* Function prototypes */
/*------------------------------------------------------------------------------------------------*/
extern IEncoder *Enc_GetEncoder(Enc_MsgContent_t type);
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* #ifndef MNS_ENCODER_H */
/*!
* @}
* \endcond
*/
/*------------------------------------------------------------------------------------------------*/
/* End of file */
/*------------------------------------------------------------------------------------------------*/
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