Roy_01
108 lines
3.2 KiB
C
108 lines
3.2 KiB
C
/**
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* Copyright (c) 2024 Wei-Lun Hsu. All Rights Reserved.
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*/
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/** @file hal_dsp.h
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*
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* @author Wei-Lun Hsu
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* @version 0.1
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* @date 2024/10/17
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* @license
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* @description
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*/
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#ifndef __hal_dsp_H_we15xl18_lz2k_Hix7_sTLr_uIRwmlwU5wH6__
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#define __hal_dsp_H_we15xl18_lz2k_Hix7_sTLr_uIRwmlwU5wH6__
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "hal_def.h"
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//=============================================================================
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// Constant Definition
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//=============================================================================
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//=============================================================================
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// Macro Definition
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//=============================================================================
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/**
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* \brief H/W DSP Divide operation
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*
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* \param [in] numerator The numerator of Fraction
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* \param [in] denominator The denominator of Fraction
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* \param [in] pQuotient Pointer to a 32-bits signed value (Quotient)
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* \param [in] pRemainder Pointer to a 32-bits signed value (Remainder)
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* \return
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* 0: ok
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* others: fail
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*/
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__STATIC_FORCEINLINE int DSP_Div32(int numerator, int denominator, int *pQuotient, int *pRemainder)
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{
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DSP->CR_b.MODE = DSP_CR_MODE_DIV;
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REG_WRITE(DSP->SDAT1, numerator);
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REG_WRITE(DSP->SDAT2, denominator);
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while( !REG_READ(DSP->SR) ) {}
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if( pQuotient ) *pQuotient = REG_READ(DSP->RSLT1);
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if( pRemainder ) *pRemainder = REG_READ(DSP->RSLT2);
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return 0;
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}
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//=============================================================================
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// Structure Definition
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//=============================================================================
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/**
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* the paraments of dsp square root calculate
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*/
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typedef struct
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{
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union {
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uint64_t value64;
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uint32_t value32[2];
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};
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} DSP_SqrtParamTypeDef;
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//=============================================================================
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// Global Data Definition
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//=============================================================================
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//=============================================================================
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// Private Function Definition
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//=============================================================================
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//=============================================================================
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// Public Function Definition
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//=============================================================================
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#if 0
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/**
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* \brief H/W DSP Divide operation
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*
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* \param [in] numerator The numerator of Fraction
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* \param [in] denominator The denominator of Fraction
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* \param [in] pQuotient Pointer to a 32-bits signed value (Quotient)
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* \param [in] pRemainder Pointer to a 32-bits signed value (Remainder)
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* \return
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* 0: ok
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* others: fail
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*/
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int DSP_Div32(int numerator, int denominator, int *pQuotient, int *pRemainder);
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#endif
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/**
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* \brief H/w DSP Square root operation (unsigned 64-bits)
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*
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* \param [in] pParam The input paraments of Square root operation
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* \return
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* the calculated value
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*/
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uint32_t DSP_Sqrt32(DSP_SqrtParamTypeDef *pParam);
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#ifdef __cplusplus
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}
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#endif
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#endif
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