/*
 * 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: 3674 $
 * $LastChangedDate:: 2025-03-07 12:00:30 +0100#$
 */
/* USERCODE-BEGIN:Description                                                                                         */
/*      Description:    Sine Wave Generation
 *                     Calculation:
 *                          u =  A*sin(phi(t)+Phase) + Offset
 *                          phi(t) = phi(t-1) + 2*pi*Ts*f
 */
/* USERCODE-END:Description                                                                                           */
#include <stddef.h>
#include "SinGen_FiP32.h"

/* all used update functions to ram for c2000                                                                         */
#if defined(__ALL_UPDATE_FUNC_2_RAM_C2000__)
    #pragma CODE_SECTION(SinGen_FiP32_Update, "ramfuncs")
#endif

/* USERCODE-BEGIN:PreProcessor                                                                                        */
#include "Sin_Data.h"

/* Input */
#define AMPLITUDE   (*block->A)
#define FREQUENCY   (*block->f)

/* Output */
#define OUT         (block->u)

/* Parameter */
#define OFFSET      (block->offset)
#define PHASE       (block->phase)
#define DELTA_PHI   (block->delta_phi)

/* Variables */
#define PHI         (block->phi)

/* Constants */
#define ROUNDING    0x40000000          /* value used for rounding */

/* USERCODE-END:PreProcessor                                                                                          */

/**********************************************************************************************************************/
/** Update                                                                                                           **/
/**********************************************************************************************************************/
void SinGen_FiP32_Update(SINGEN_FIP32 *block)
{
/* USERCODE-BEGIN:UpdateFnc                                                                                           */
    int32   sine, angle;
    int64   temp;

    temp = (int64)DELTA_PHI * (int64)FREQUENCY; /* calculate angle increment */
    temp += ROUNDING;

    /* RULECHECKER_comment(1:0, 1:0, check_inappropriate_int, "see X2C MISRA Deviations, DEV0002 ", true_no_defect) */
    PHI += ((int32)(temp >> 31));               /* scale to 32 Bit (Q62 -> Q31) and increment angle */

    /* sine interpolation */
    angle = PHI + PHASE;                        /* phi+phase */
    sine = lookupTableInt32(Sin_Table32, angle);      /* sin(phi+phase) */
    /* amplification */
    temp = (int64)AMPLITUDE * (int64)sine;      /* A*sin(phi+phase) */

    /* RULECHECKER_comment(1:0, 1:0, check_inappropriate_int, "see X2C MISRA Deviations, DEV0002 ", true_no_defect) */
    temp = (temp + ROUNDING) >> 31;             /* round and convert from Q62 to Q31 */
    /* offset */
    temp += (int64)OFFSET;                      /* A*sin(phi+phase) + Offset */

    /* Data width limitation, previous: LIMIT(temp, INT32_MAX);*/
    if (temp > INT32_MAX)
    {
        temp = INT32_MAX;
    }
    else
    {
        if (temp < -INT32_MAX)
        {
            temp = -INT32_MAX;
        }
    }

    OUT = (int32)temp;

/* USERCODE-END:UpdateFnc                                                                                             */

}

/**********************************************************************************************************************/
/** Initialization                                                                                                   **/
/**********************************************************************************************************************/
void SinGen_FiP32_Init(SINGEN_FIP32 *block)
{
    block->identifier = SINGEN_FIP32_ID;
    block->u = 0;
/* USERCODE-BEGIN:InitFnc                                                                                             */
    PHI = 0;

/* USERCODE-END:InitFnc                                                                                               */
}

/**********************************************************************************************************************/
/** Load block data                                                                                                  **/
/**********************************************************************************************************************/
uint8 SinGen_FiP32_Load(const SINGEN_FIP32 *block, uint8 data[], uint16 *dataLength, uint16 maxSize)
{
    uint8 error = 0u;
    if (maxSize < 12u)
    {
        error = 1u;
    }
    else
    {
        data[0] = (uint8)((uint32)block->delta_phi & 0xFFu);
        data[1] = (uint8)(((uint32)block->delta_phi >> 8) & 0xFFu);
        data[2] = (uint8)(((uint32)block->delta_phi >> 16) & 0xFFu);
        data[3] = (uint8)(((uint32)block->delta_phi >> 24) & 0xFFu);
        data[4] = (uint8)((uint32)block->phase & 0xFFu);
        data[5] = (uint8)(((uint32)block->phase >> 8) & 0xFFu);
        data[6] = (uint8)(((uint32)block->phase >> 16) & 0xFFu);
        data[7] = (uint8)(((uint32)block->phase >> 24) & 0xFFu);
        data[8] = (uint8)((uint32)block->offset & 0xFFu);
        data[9] = (uint8)(((uint32)block->offset >> 8) & 0xFFu);
        data[10] = (uint8)(((uint32)block->offset >> 16) & 0xFFu);
        data[11] = (uint8)(((uint32)block->offset >> 24) & 0xFFu);
        *dataLength = 12u;
/* USERCODE-BEGIN:LoadFnc                                                                                             */
/* USERCODE-END:LoadFnc                                                                                               */
    }
    return (error);
}

/**********************************************************************************************************************/
/** Save block data                                                                                                  **/
/**********************************************************************************************************************/
uint8 SinGen_FiP32_Save(SINGEN_FIP32 *block, const uint8 data[], uint16 dataLength)
{
    uint8 error;
    if (dataLength != 12u)
    {
        error = 1u;
    }
    else
    {
        block->delta_phi = castUint32ToInt32((uint32)((uint32)data[0] | ((uint32)data[1] << 8) | ((uint32)data[2] << 16) | ((uint32)data[3] << 24)));
        block->phase = castUint32ToInt32((uint32)((uint32)data[4] | ((uint32)data[5] << 8) | ((uint32)data[6] << 16) | ((uint32)data[7] << 24)));
        block->offset = castUint32ToInt32((uint32)((uint32)data[8] | ((uint32)data[9] << 8) | ((uint32)data[10] << 16) | ((uint32)data[11] << 24)));
        error = 0u;
/* USERCODE-BEGIN:SaveFnc                                                                                             */
/* USERCODE-END:SaveFnc                                                                                               */
    }
    return (error);
}

/**********************************************************************************************************************/
/** Get block element address                                                                                        **/
/**********************************************************************************************************************/
#if !defined(SINGEN_FIP32_ISLINKED)
void* SinGen_FiP32_GetAddress(SINGEN_FIP32* block, uint16 elementId)
{
    void* addr;
    switch (elementId)
    {
        case 1:
            addr = block->A;
            break;
        case 2:
            addr = block->f;
            break;
        case 3:
            addr = &block->u;
            break;
        default:
            addr = NULL;
            break;
    }
    return (addr);
}
#endif
