datalog.h

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//#############################################################################
// $TI Release: MotorControl SDK v3.00.01.00 $
// $Release Date: Tue May 26 19:13:58 CDT 2020 $
// $Copyright:
// Copyright (C) 2017-2019 Texas Instruments Incorporated - http://www.ti.com/
//
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//#############################################################################
 
#ifndef DATALOG_H
#define DATALOG_H
 
 
// **************************************************************************
// the includes
 
#include "libraries/math/include/math.h"
 
 
#ifdef __cplusplus
extern "C" {
#endif
 
// **************************************************************************
// the defines
#define DATA_LOG_BUFF_NUM       4
 
#define DATA_LOG_BUFF_SIZE      400     //20*20
 
#define DLOG_BURST_SIZE         20      // write 820 to the register for
                                        // a burst size of 20
 
#define DLOG_TRANSFER_SIZE      42      // [(MEM_BUFFER_SIZE/(BURST)]
 
#define DATALOG_DEFAULTS {                          \
                            {NULL,                 \
                             NULL,                 \
                             NULL,                 \
                             NULL},               \
                            true,                  \
                            false,                 \
                            0,                     \
                            DATA_LOG_BUFF_SIZE     \
                         }
 
// **************************************************************************
// the typedefs
 
typedef struct _DATALOG_OBJ_
{
    float32_t  *iptr[DATA_LOG_BUFF_NUM];    
 
    bool  flag_enableLogData;             
    bool  flag_enableLogOneShot;          
    uint16_t  cntr;                       
    uint16_t  size;                       
} DATALOG_Obj;
 
typedef struct _DATALOG_Obj_   *DATALOG_Handle;
 
// **************************************************************************
// the globals
extern float32_t datalogBuff1[DATA_LOG_BUFF_SIZE+2];
extern float32_t datalogBuff2[DATA_LOG_BUFF_SIZE+2];
extern float32_t datalogBuff3[DATA_LOG_BUFF_SIZE+2];
extern float32_t datalogBuff4[DATA_LOG_BUFF_SIZE+2];
 
extern DATALOG_Obj datalog;
extern DATALOG_Handle datalogHandle;
 
// **************************************************************************
// the globals
 
// **************************************************************************
// the function prototypes
 
extern DATALOG_Handle DATALOG_init(void *pMemory, const size_t numBytes);
 
static inline void DATALOG_update(DATALOG_Handle handle)
{
    DATALOG_Obj *obj = (DATALOG_Obj *)handle;
 
    if(obj->flag_enableLogData == true)
    {
        if(obj->cntr >= obj->size)
        {
            obj->cntr = 0;
 
            if(obj->flag_enableLogOneShot == true)
            {
                obj->flag_enableLogData = false;
                obj->flag_enableLogOneShot = false;
            }
        }
 
        datalogBuff1[obj->cntr] = (*obj->iptr[0]);
        datalogBuff2[obj->cntr] = (*obj->iptr[1]);
        datalogBuff3[obj->cntr] = (*obj->iptr[2]);
        datalogBuff4[obj->cntr] = (*obj->iptr[3]);
 
        obj->cntr++;
    }
    else if(obj->flag_enableLogOneShot == true)
    {
        obj->flag_enableLogData = true;
        obj->cntr = 0;
    }
}
 
static inline void DATALOG_updateWithDMA(DATALOG_Handle handle)
{
    DATALOG_Obj *obj = (DATALOG_Obj *)handle;
 
    uint16_t number = obj->size - 1;
 
    datalogBuff1[number] = (*obj->iptr[0]);
    datalogBuff2[number] = (*obj->iptr[1]);
    datalogBuff3[number] = (*obj->iptr[2]);
    datalogBuff4[number] = (*obj->iptr[3]);
}
 
#ifdef __cplusplus
}
#endif // extern "C"
 
#endif // end of DATALOG_H definition