/**************************************************************************//** * @file hdiv.h * @version V3.0 * $Revision: 1 $ * $Date: 16/07/07 7:50p $ * @brief M261 series Hardware Divider(HDIV) driver header file * * @note * @copyright (C) 2019 Nuvoton Technology Corp. All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * 3. Neither the name of Nuvoton Technology Corp. nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * ******************************************************************************/ #ifndef __HDIV_H__ #define __HDIV_H__ #ifdef __cplusplus extern "C" { #endif /** @addtogroup Standard_Driver Standard Driver @{ */ /** @addtogroup HDIV_Driver HDIV Driver @{ */ /** @addtogroup HDIV_EXPORTED_FUNCTIONS HDIV Exported Functions @{ */ /** * @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++ = (uint32_t)x; *p32++ = (uint32_t)y; return (int32_t) * 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++ = (uint32_t)x; *p32++ = (uint32_t)y; return (int16_t)p32[1]; } /*@}*/ /* end of group HDIV_EXPORTED_FUNCTIONS */ /*@}*/ /* end of group HDIV_Driver */ /*@}*/ /* end of group Standard_Driver */ #ifdef __cplusplus } #endif #endif //__HDIV_H__ /*** (C) COPYRIGHT 2019 Nuvoton Technology Corp. ***/