62 lines
1.3 KiB
C
62 lines
1.3 KiB
C
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/**************************************************************************//**
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* @file DIV.h
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* @version V2.1
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* $Revision: 4 $
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* $Date: 14/01/28 10:49a $
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* @brief M051 Series DIV Driver Header File
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*
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* @note
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* Copyright (C) 2013 Nuvoton Technology Corp. All rights reserved.
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*
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******************************************************************************/
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#ifndef __DIVIDER_H__
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#define __DIVIDER_H__
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/**
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* @brief Division function to calculate (x/y)
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*
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* @param[in] x the dividend of the division
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* @param[in] y the divisor of the division
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*
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* @return The result of (x/y)
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*
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* @details This is a division function to calculate x/y
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*
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*/
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static __INLINE int32_t HDIV_Div(int32_t x, int16_t y)
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{
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uint32_t *p32;
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p32 = (uint32_t *)HDIV_BASE;
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*p32++ = x;
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*p32++ = y;
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return *p32;
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}
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/**
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* @brief To calculate the remainder of x/y, i.e., the result of x mod y.
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*
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* @param[in] x the dividend of the division
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* @param[in] y the divisor of the division
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*
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* @return The remainder of (x/y)
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*
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* @details This function is used to calculate the remainder of x/y.
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*/
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static __INLINE int16_t HDIV_Mod(int32_t x, int16_t y)
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{
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uint32_t *p32;
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p32 = (uint32_t *)HDIV_BASE;
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*p32++ = x;
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*p32++ = y;
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return p32[1];
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}
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#endif
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