rt-thread/bsp/nuvoton_m05x/Libraries/StdDriver/inc/hdiv.h

62 lines
1.3 KiB
C

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