/****************************************************************************** *Copyright(C)2017, Huada Semiconductor Co.,Ltd All rights reserved. * * This software is owned and published by: * Huada Semiconductor Co.,Ltd("HDSC"). * * BY DOWNLOADING, INSTALLING OR USING THIS SOFTWARE, YOU AGREE TO BE BOUND * BY ALL THE TERMS AND CONDITIONS OF THIS AGREEMENT. * * This software contains source code for use with HDSC * components. This software is licensed by HDSC to be adapted only * for use in systems utilizing HDSC components. HDSC shall not be * responsible for misuse or illegal use of this software for devices not * supported herein. HDSC is providing this software "AS IS" and will * not be responsible for issues arising from incorrect user implementation * of the software. * * Disclaimer: * HDSC MAKES NO WARRANTY, EXPRESS OR IMPLIED, ARISING BY LAW OR OTHERWISE, * REGARDING THE SOFTWARE (INCLUDING ANY ACOOMPANYING WRITTEN MATERIALS), * ITS PERFORMANCE OR SUITABILITY FOR YOUR INTENDED USE, INCLUDING, * WITHOUT LIMITATION, THE IMPLIED WARRANTY OF MERCHANTABILITY, THE IMPLIED * WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE OR USE, AND THE IMPLIED * WARRANTY OF NONINFRINGEMENT. * HDSC SHALL HAVE NO LIABILITY (WHETHER IN CONTRACT, WARRANTY, TORT, * NEGLIGENCE OR OTHERWISE) FOR ANY DAMAGES WHATSOEVER (INCLUDING, WITHOUT * LIMITATION, DAMAGES FOR LOSS OF BUSINESS PROFITS, BUSINESS INTERRUPTION, * LOSS OF BUSINESS INFORMATION, OR OTHER PECUNIARY LOSS) ARISING FROM USE OR * INABILITY TO USE THE SOFTWARE, INCLUDING, WITHOUT LIMITATION, ANY DIRECT, * INDIRECT, INCIDENTAL, SPECIAL OR CONSEQUENTIAL DAMAGES OR LOSS OF DATA, * SAVINGS OR PROFITS, * EVEN IF Disclaimer HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. * YOU ASSUME ALL RESPONSIBILITIES FOR SELECTION OF THE SOFTWARE TO ACHIEVE YOUR * INTENDED RESULTS, AND FOR THE INSTALLATION OF, USE OF, AND RESULTS OBTAINED * FROM, THE SOFTWARE. * * This software may be replicated in part or whole for the licensed use, * with the restriction that this Disclaimer and Copyright notice must be * included with each copy of this software, whether used in part or whole, * at all times. */ /** \file crc.c ** ** Common API of crc. ** @link crcGroup Some description @endlink ** ** - 2017-05-16 ** ******************************************************************************/ /******************************************************************************* * Include files ******************************************************************************/ #include "ddl.h" #include "hdiv.h" /** ******************************************************************************* ** \addtogroup CrcGroup ******************************************************************************/ //@{ /******************************************************************************* * Local pre-processor symbols/macros ('#define') ******************************************************************************/ /******************************************************************************* * Global variable definitions (declared in header file with 'extern') ******************************************************************************/ /******************************************************************************* * Local type definitions ('typedef') ******************************************************************************/ /******************************************************************************* * Local variable definitions ('static') ******************************************************************************/ /******************************************************************************* * Local function prototypes ('static') ******************************************************************************/ /******************************************************************************* * Function implementation - global ('extern') and local ('static') ******************************************************************************/ /** * \brief * HDIV 有符号除法 * * \param [in] Dividend 被除数 * \param [in] Dividsor 除数 * \param [out] stcDivResult 商和余数 * * \retval en_result_t Ok: 配置成功 * \retval en_result_t ErrorInvalidParameter: 无效参数 */ en_result_t Hdiv_Unsigned(uint32_t Dividend,uint16_t Divisor,stc_div_unsigned_result_t* stcDivResult) { M0P_HDIV->SIGN_f.SIGN = 0; if(NULL == stcDivResult) { return ErrorInvalidParameter; } (M0P_HDIV ->DIVIDEND) = Dividend; (M0P_HDIV ->DIVISOR) = Divisor; if(Hdiv_GetZeroState() == TRUE) { return ErrorInvalidParameter; } while(Hdiv_GetEndState() != TRUE) { ; } stcDivResult->Quotient = M0P_HDIV->QUOTIENT_f.QUOTIENT; stcDivResult->Remainder = M0P_HDIV ->REMAINDER_f.REMAINDER; return Ok; } /** * \brief * HDIV 无符号除法 * * \param [in] Dividend 被除数 * \param [in] Dividsor 除数 * \param [out] stcDivResult 商和余数 * * \retval en_result_t Ok: 配置成功 * \retval en_result_t ErrorInvalidParameter: 无效参数 */ en_result_t Hdiv_Signed(int32_t Dividend,int16_t Divisor,stc_div_signed_result_t* stcDivResult) { __IO uint32_t * pDivdend = &(M0P_HDIV ->DIVIDEND); __IO uint32_t * pDivsor = &(M0P_HDIV ->DIVISOR); if(NULL == stcDivResult) { return ErrorInvalidParameter; } M0P_HDIV->SIGN_f.SIGN = 1; *(__IO int32_t *)pDivdend = Dividend; *(__IO int16_t *)pDivsor = Divisor; if(Hdiv_GetZeroState() == TRUE) { return ErrorInvalidParameter; } while(Hdiv_GetEndState() != TRUE) { ; } stcDivResult->Quotient = M0P_HDIV->QUOTIENT_f.QUOTIENT; stcDivResult->Remainder = M0P_HDIV ->REMAINDER_f.REMAINDER; return Ok; } boolean_t Hdiv_GetEndState(void) { return M0P_HDIV->STAT_f.END; } boolean_t Hdiv_GetZeroState(void) { return M0P_HDIV->STAT_f.ZERO; } //@} // CrcGroup /******************************************************************************* * EOF (not truncated) ******************************************************************************/