1 /******************************************************************************
2 *Copyright(C)2017, Huada Semiconductor Co.,Ltd All rights reserved.
3 *
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10 * This software contains source code for use with HDSC
11 * components. This software is licensed by HDSC to be adapted only
12 * for use in systems utilizing HDSC components. HDSC shall not be
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15 * not be responsible for issues arising from incorrect user implementation
16 * of the software.
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21 * ITS PERFORMANCE OR SUITABILITY FOR YOUR INTENDED USE, INCLUDING,
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41 */
42
43 /** \file crc.c
44 **
45 ** Common API of crc.
46 ** @link crcGroup Some description @endlink
47 **
48 ** - 2017-05-16
49 **
50 ******************************************************************************/
51
52 /*******************************************************************************
53 * Include files
54 ******************************************************************************/
55 #include "ddl.h"
56 #include "hdiv.h"
57 /**
58 *******************************************************************************
59 ** \addtogroup CrcGroup
60 ******************************************************************************/
61 //@{
62
63 /*******************************************************************************
64 * Local pre-processor symbols/macros ('#define')
65 ******************************************************************************/
66
67 /*******************************************************************************
68 * Global variable definitions (declared in header file with 'extern')
69 ******************************************************************************/
70
71 /*******************************************************************************
72 * Local type definitions ('typedef')
73 ******************************************************************************/
74
75 /*******************************************************************************
76 * Local variable definitions ('static')
77 ******************************************************************************/
78
79 /*******************************************************************************
80 * Local function prototypes ('static')
81 ******************************************************************************/
82
83
84 /*******************************************************************************
85 * Function implementation - global ('extern') and local ('static')
86 ******************************************************************************/
87 /**
88 * \brief
89 * HDIV 有符号除法
90 *
91 * \param [in] Dividend 被除数
92 * \param [in] Dividsor 除数
93 * \param [out] stcDivResult 商和余数
94 *
95 * \retval en_result_t Ok: 配置成功
96 * \retval en_result_t ErrorInvalidParameter: 无效参数
97 */
Hdiv_Unsigned(uint32_t Dividend,uint16_t Divisor,stc_div_unsigned_result_t * stcDivResult)98 en_result_t Hdiv_Unsigned(uint32_t Dividend,uint16_t Divisor,stc_div_unsigned_result_t* stcDivResult)
99 {
100 M0P_HDIV->SIGN_f.SIGN = 0;
101 if(NULL == stcDivResult)
102 {
103 return ErrorInvalidParameter;
104 }
105 (M0P_HDIV ->DIVIDEND) = Dividend;
106 (M0P_HDIV ->DIVISOR) = Divisor;
107
108 if(Hdiv_GetZeroState() == TRUE)
109 {
110 return ErrorInvalidParameter;
111 }
112
113 while(Hdiv_GetEndState() != TRUE)
114 {
115 ;
116 }
117
118 stcDivResult->Quotient = M0P_HDIV->QUOTIENT_f.QUOTIENT;
119 stcDivResult->Remainder = M0P_HDIV ->REMAINDER_f.REMAINDER;
120 return Ok;
121 }
122
123
124 /**
125 * \brief
126 * HDIV 无符号除法
127 *
128 * \param [in] Dividend 被除数
129 * \param [in] Dividsor 除数
130 * \param [out] stcDivResult 商和余数
131 *
132 * \retval en_result_t Ok: 配置成功
133 * \retval en_result_t ErrorInvalidParameter: 无效参数
134 */
Hdiv_Signed(int32_t Dividend,int16_t Divisor,stc_div_signed_result_t * stcDivResult)135 en_result_t Hdiv_Signed(int32_t Dividend,int16_t Divisor,stc_div_signed_result_t* stcDivResult)
136 {
137
138 __IO uint32_t * pDivdend = &(M0P_HDIV ->DIVIDEND);
139 __IO uint32_t * pDivsor = &(M0P_HDIV ->DIVISOR);
140 if(NULL == stcDivResult)
141 {
142 return ErrorInvalidParameter;
143 }
144 M0P_HDIV->SIGN_f.SIGN = 1;
145 *(__IO int32_t *)pDivdend = Dividend;
146 *(__IO int16_t *)pDivsor = Divisor;
147
148 if(Hdiv_GetZeroState() == TRUE)
149 {
150 return ErrorInvalidParameter;
151 }
152
153 while(Hdiv_GetEndState() != TRUE)
154 {
155 ;
156 }
157
158 stcDivResult->Quotient = M0P_HDIV->QUOTIENT_f.QUOTIENT;
159 stcDivResult->Remainder = M0P_HDIV ->REMAINDER_f.REMAINDER;
160 return Ok;
161 }
162
Hdiv_GetEndState(void)163 boolean_t Hdiv_GetEndState(void)
164 {
165 return M0P_HDIV->STAT_f.END;
166 }
167
Hdiv_GetZeroState(void)168 boolean_t Hdiv_GetZeroState(void)
169 {
170 return M0P_HDIV->STAT_f.ZERO;
171 }
172 //@} // CrcGroup
173
174 /*******************************************************************************
175 * EOF (not truncated)
176 ******************************************************************************/
177