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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 Internal header file of Port Message Channel
*
* \cond MNS_INTERNAL_DOC
* \addtogroup G_PMC
* @{
*/
#ifndef MNS_PMCHANNEL_H
#define MNS_PMCHANNEL_H
/*------------------------------------------------------------------------------------------------*/
/* Includes */
/*------------------------------------------------------------------------------------------------*/
#include "mns_cfg.h"
#include "mns_lld_pb.h"
#include "mns_lldpool.h"
#include "mns_pool.h"
#include "mns_base.h"
#include "mns_message.h"
#include "mns_pmp.h"
#ifdef __cplusplus
extern "C"
{
#endif
/*------------------------------------------------------------------------------------------------*/
/* Macros */
/*------------------------------------------------------------------------------------------------*/
#define PMCH_POOL_SIZE_RX_MIN 10U /*!< \brief Minimal size of Rx pool which is shared by all FIFOs */
#define PMCH_POOL_SIZE_RX_OPT 35U /*!< \brief Optimal size of Rx pool which is shared by all FIFOs */
#define PMCH_MCM_CREDITS_OPT 21U /*!< \brief Optimal number of credits configured for MCM FIFO */
#define PMCH_MCM_THRESHOLD_OPT 8U /*!< \brief Optimal threshold configured for MCM FIFO */
#define PMCH_FIFO_CREDITS_OPT 5U /*!< \brief Optimal number of credits configured for conventional FIFOs */
#define PMCH_FIFO_THRESHOLD_OPT 4U /*!< \brief Optimal threshold configured for conventional FIFO */
#define PMCH_FIFO_CREDITS_MIN 3U /*!< \brief Minimal number of credits configured for conventional FIFOs */
#define PMCH_FIFO_THRESHOLD_MIN 2U /*!< \brief Minimal threshold configured for conventional FIFO */
/* required rules */
#if defined(MNS_FOOTPRINT_TINY) && defined(MNSL_CHANNEL_POOL_SIZE_RX)
# error Forbidden combination of macros MNS_FOOTPRINT_TINY and MNSL_CHANNEL_POOL_SIZE_RX
#endif
#ifdef MNSL_CHANNEL_POOL_SIZE_RX
# if (MNSL_CHANNEL_POOL_SIZE_RX < PMCH_POOL_SIZE_RX_MIN)
# error MNSL_CHANNEL_POOL_SIZE_RX must be at least 10
# endif
#endif
/*! \def MNSL_CHANNEL_POOL_SIZE_RX
* \brief MNSL configuration that defines the number of pre-allocated Rx messages which are shared by all FIFOs.
* Valid values: 35...65535. Default value: 35.
*
* \def PMCH_POOL_SIZE_RX
* \brief Defines the number of pre-allocated Rx messages which are shared by all FIFOs.
*/
#ifdef MNS_FOOTPRINT_TINY
# define PMCH_POOL_SIZE_RX (PMCH_POOL_SIZE_RX_MIN)
# define PMCH_MCM_CREDITS (PMCH_FIFO_CREDITS_MIN)
# define PMCH_FIFO_CREDITS (PMCH_FIFO_CREDITS_MIN)
# define PMCH_MCM_THRESHOLD (PMCH_FIFO_THRESHOLD_MIN)
# define PMCH_FIFO_THRESHOLD (PMCH_FIFO_THRESHOLD_MIN)
# define MNSL_CHANNEL_POOL_SIZE_RX (PMCH_POOL_SIZE_RX_MIN)
#elif defined MNSL_CHANNEL_POOL_SIZE_RX
# define PMCH_POOL_SIZE_RX ((uint16_t)MNSL_CHANNEL_POOL_SIZE_RX)
# define PMCH_MCM_CREDITS (PMCH_FIFO_CREDITS_MIN)
# define PMCH_FIFO_CREDITS (PMCH_FIFO_CREDITS_MIN)
# define PMCH_MCM_THRESHOLD (PMCH_FIFO_THRESHOLD_MIN)
# define PMCH_FIFO_THRESHOLD (PMCH_FIFO_THRESHOLD_MIN)
#else
# define PMCH_POOL_SIZE_RX (PMCH_POOL_SIZE_RX_OPT)
# define PMCH_MCM_CREDITS (PMCH_MCM_CREDITS_OPT)
# define PMCH_FIFO_CREDITS (PMCH_FIFO_CREDITS_OPT)
# define PMCH_MCM_THRESHOLD (PMCH_MCM_THRESHOLD_OPT)
# define PMCH_FIFO_THRESHOLD (PMCH_FIFO_THRESHOLD_OPT)
# define MNSL_CHANNEL_POOL_SIZE_RX (PMCH_POOL_SIZE_RX_OPT)
#endif
/*------------------------------------------------------------------------------------------------*/
/* Types */
/*------------------------------------------------------------------------------------------------*/
typedef void (*Pmch_OnRxMsg_t)(void *fifo_ptr, CMessage *msg_ptr);
typedef void (*Pmch_OnTxRelease_t)(void *fifo_ptr, Mns_Lld_TxMsg_t *handle_ptr);
/*! \brief Initialization structure of the Base Module. */
typedef struct Pmch_InitData_
{
uint8_t mns_inst_id; /*!< \brief Initialization data of the Trace Module */
Mns_Lld_Callbacks_t lld_iface; /*!< \brief LLD callback functions */
Pmch_OnTxRelease_t tx_release_fptr; /*!< \brief Callback which releases a FIFO dedicated LLD buffer */
} Pmch_InitData_t;
/*! \brief Combination of callback and instance for a receiving FIFO */
typedef struct Pmch_Receiver_
{
Pmch_OnRxMsg_t rx_fptr; /*!< \brief Reference to an Rx callback function */
void *inst_ptr; /*!< \brief Reference to the instance which shall be
* passed to the callback function */
} Pmch_Receiver_t;
/*------------------------------------------------------------------------------------------------*/
/* Class attributes */
/*------------------------------------------------------------------------------------------------*/
/*! \brief Structure of a PMS object */
typedef struct CPmChannel_
{
Pmch_InitData_t init_data; /*!< \brief Copy of initialization data */
Lld_IntRxMsg_t lld_rx_msgs[PMCH_POOL_SIZE_RX]; /*!< \brief Pre-allocated LLD Rx message objects */
CMessage rx_msgs[PMCH_POOL_SIZE_RX]; /*!< \brief Pre-allocated Rx message objects */
CPool rx_msgs_pool; /*!< \brief Pre-allocated Rx message pool */
bool rx_trigger_available; /*!< \brief Triggers LLD callback function if a buffer
* is available again.
*/
bool lld_active; /*!< \brief Determines whether the LLD is running */
Mns_Lld_Api_t mns_iface; /*!< \brief PMS function pointers */
Pmch_Receiver_t receivers[PMP_MAX_NUM_FIFOS]; /*!< \brief Registered FIFOs for Rx */
void *inst_ptr; /*< TKU: tag for LLD */
} CPmChannel;
/*------------------------------------------------------------------------------------------------*/
/* Class methods */
/*------------------------------------------------------------------------------------------------*/
/* component creation */
extern void Pmch_Ctor(CPmChannel *self, const Pmch_InitData_t *init_ptr, void *inst_ptr);
extern void Pmch_Initialize(CPmChannel *self);
extern void Pmch_Uninitialize(CPmChannel *self);
extern void Pmch_RegisterReceiver(CPmChannel *self, Pmp_FifoId_t fifo_id, Pmch_OnRxMsg_t rx_fptr, void *inst_ptr);
extern void Pmch_Transmit(CPmChannel *self, Mns_Lld_TxMsg_t *msg_ptr);
extern void Pmch_ReturnRxToPool(void *self, CMessage *msg_ptr);
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* MNS_PMCHANNEL_H */
/*!
* @}
* \endcond
*/
/*------------------------------------------------------------------------------------------------*/
/* End of file */
/*------------------------------------------------------------------------------------------------*/
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