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