/*
 * Copyright (c) 2013, Linz Center of Mechatronics GmbH (LCM), web: www.lcm.at
 * All rights reserved.
 */
/*
 * This file is licensed according to the BSD 3-clause license as follows:
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the "Linz Center of Mechatronics GmbH" and "LCM" nor
 *       the names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL "Linz Center of Mechatronics GmbH" BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
/*
 * This file is part of X2C. web: x2c.lcm.at
 * $LastChangedRevision: 4306 $
 * $LastChangedDate:: 2026-07-02 15:48:24 +0200#$
 */
/* USERCODE-BEGIN:Description                                                                                         */
/**     Description:    Calculation of moving average value over n numbers.  **/
/**                                                                          **/
/* USERCODE-END:Description                                                                                           */
#include <stddef.h>
#include "Average_FiP8.h"

/* all used update functions to ram for c2000                                                                         */
#if defined(__ALL_UPDATE_FUNC_2_RAM_C2000__)
    #pragma CODE_SECTION(Average_FiP8_Update, "ramfuncs")
#endif

/* USERCODE-BEGIN:PreProcessor                                                                                        */
/* Inputs */
#define IN              (*block->In)

/* Outputs */
#define OUT             (block->Out)

/* Parameter */
#define NUMBER          (block->n)
#define SFR             (block->sfrn)

/* Variables */
#define SUM             (block->sum)
#define CNT             (block->count)
#if !defined(X2C_USE_UNION_FOR_POINTER)
#define AVG             (block->avg)
#else
#define AVG             (block->avg.ptr)
#endif

/* Constants */
#define MAX_NUMBER      (256u)     /* max size of average window */

/* USERCODE-END:PreProcessor                                                                                          */

/**********************************************************************************************************************/
/** Declare private functions with the C inline keyword to ensure function inlining for better runtime performance.  **/
/** Since all tested compilers DO NOT perform inlining at the LOWEST optimization level, compiler optimizations may  **/
/** need to be adjusted accordingly.                                                                                 **/
/**********************************************************************************************************************/
/* USERCODE-BEGIN:PrivateFncPrototypeOrDefinition                                                                     */
/* USERCODE-END:PrivateFncPrototypeOrDefinition                                                                       */

/**********************************************************************************************************************/
/** Update                                                                                                           **/
/**********************************************************************************************************************/
void Average_FiP8_Update(AVERAGE_FIP8 *block)
{
/* USERCODE-BEGIN:UpdateFnc                                                                                           */
    /* Adjust array */
    SUM     -= (int16)AVG[CNT];     /* remove last entry from sum */
    SUM     += (int16)IN;           /* add new value to sum */
    AVG[CNT] = IN;                  /* put new value into buffer */

    /* Cyclic index counter */
    CNT++;
    if (CNT >= NUMBER)
    {
        CNT = 0;
    }

    /* Assign output */
    /* RULECHECKER_comment(1:0, 1:0, check_inappropriate_int, "see X2C MISRA Deviations, DEV0001", true_no_defect) */
    OUT = (int8)(SUM >> SFR);   /* calculate average value */

/* USERCODE-END:UpdateFnc                                                                                             */
}

/**********************************************************************************************************************/
/** Initialization                                                                                                   **/
/**********************************************************************************************************************/
void Average_FiP8_Init(AVERAGE_FIP8 *block)
{
    block->identifier = AVERAGE_FIP8_ID;
    block->Out = 0;
/* USERCODE-BEGIN:InitFnc                                                                                             */
     /* Reset sum */
     SUM = 0;

     /* Reset array */
     for (CNT=0; CNT<MAX_NUMBER; CNT++)
     {
         AVG[CNT] = 0;
     }

     /* Reset counter */
     CNT = 0;

/* USERCODE-END:InitFnc                                                                                               */
}

/**********************************************************************************************************************/
/** Load block data                                                                                                  **/
/**********************************************************************************************************************/
uint8 Average_FiP8_Load(const AVERAGE_FIP8 *block, uint8 data[], uint16 *dataLength, uint16 maxSize)
{
    uint8 error = 0u;
    if (maxSize < 3u)
    {
        error = 1u;
    }
    else
    {
        data[0] = (uint8)(block->n & 0xFFu);
        data[1] = (uint8)((block->n >> 8) & 0xFFu);
        data[2] = (uint8)(block->sfrn & 0xFFu);
        *dataLength = 3u;
/* USERCODE-BEGIN:LoadFnc                                                                                             */
/* USERCODE-END:LoadFnc                                                                                               */
    }
    return (error);
}

/**********************************************************************************************************************/
/** Save block data                                                                                                  **/
/**********************************************************************************************************************/
uint8 Average_FiP8_Save(AVERAGE_FIP8 *block, const uint8 data[], uint16 dataLength)
{
    uint8 error;
    if (dataLength != 3u)
    {
        error = 1u;
    }
    else
    {
        block->n = (uint16)((uint16)data[0] | ((uint16)data[1] << 8));
        block->sfrn = data[2];
        error = 0u;
/* USERCODE-BEGIN:SaveFnc                                                                                             */
     /* Reset sum */
     SUM = 0;

     /* Reset array */
     for (CNT=0; CNT<MAX_NUMBER; CNT++)
     {
         AVG[CNT] = 0;
     }

     /* Reset counter */
     CNT = 0;

/* USERCODE-END:SaveFnc                                                                                               */
    }
    return (error);
}

/**********************************************************************************************************************/
/** Get block element address                                                                                        **/
/**********************************************************************************************************************/
#if !defined(AVERAGE_FIP8_ISLINKED)
void* Average_FiP8_GetAddress(AVERAGE_FIP8* block, uint16 elementId)
{
    void* addr;
    switch (elementId)
    {
        case 1:
            addr = block->In;
            break;
        case 2:
            addr = &block->Out;
            break;
        default:
            addr = NULL;
            break;
    }
    return (addr);
}
#endif

/**********************************************************************************************************************/
/** Declare private functions with the C inline keyword to ensure function inlining for better runtime performance.  **/
/** Since all tested compilers DO NOT perform inlining at the LOWEST optimization level, compiler optimizations may  **/
/** need to be adjusted accordingly.                                                                                 **/
/**********************************************************************************************************************/
/* USERCODE-BEGIN:PrivateFncDefinition                                                                                */
/* USERCODE-END:PrivateFncDefinition                                                                                  */
