iqTrig.h

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/*!****************************************************************************
 *  @file       iqTrig.h
 *  @brief      IQ Trignometry Module
 *
 * 
 *  @anchor iqTrig_h
 *  # Overview
 *
 *  IQ Trignometry APIs
 *
 *  <hr>
 ******************************************************************************/

#ifndef IQTRIG_H_
#define IQTRIG_H_

#include "stdint.h"

/* Include the IQmath Library */
#include <ti/iqmath/include/IQmathLib.h>

/* Include the mathacl optimized IQmath */
#include "IQmath_mathacl.h"


#include <ti/devices/msp/msp.h>
#include <ti/driverlib/driverlib.h>
#include <ti/driverlib/m0p/dl_core.h>

#ifdef __cplusplus
extern "C" {
#endif

#define LOOKUP_POINTS               16

#define DELX_LOOKUP                 _IQ(0.25)/(LOOKUP_POINTS - 1)

#define INV_DELX_LOOKUP              (int32_t)(((LOOKUP_POINTS - 1) / 0.25))

int32_t sine_LowPriority(int32_t orig_angle);

int32_t cosine_LowPriority(int32_t orig_angle);

void sinCosMATHACLCompute(int_fast32_t orig_angle);


__STATIC_INLINE int_fast32_t readMATHACLSin(void)
{
    /* read sine and Shift to q_value type */
    return ( ((int_fast32_t)MATHACL->RES2) >> (31 - GLOBAL_IQ) );
}

__STATIC_INLINE int_fast32_t readMATHACLCos(void)
{
    /* read cosine and Shift to q_value type */
    return ( ((int_fast32_t)MATHACL->RES1) >> (31 - GLOBAL_IQ) );
}

int32_t sine_LowPrioirty(int32_t orig_angle);

int32_t cosine_LowPriority(int32_t orig_angle);

int_fast32_t sine(int32_t orig_angle);

int_fast32_t cosine(int32_t orig_angle);

int_fast32_t arcTan2(int_fast32_t iqNInputX, int_fast32_t iqNInputY);

#ifdef __cplusplus
}
#endif
#endif /* IQTRIG_H_ */