summaryrefslogtreecommitdiff
path: root/cdc-dials/Drivers/STM32F0xx_HAL_Driver/Inc/stm32f0xx_hal_crc.h
blob: 24105c0d8d685c56e07e51d429739120071c3ef3 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
/**
  ******************************************************************************
  * @file    stm32f0xx_hal_crc.h
  * @author  MCD Application Team
  * @brief   Header file of CRC HAL module.
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; Copyright (c) 2016 STMicroelectronics.
  * All rights reserved.</center></h2>
  *
  * This software component is licensed by ST under BSD 3-Clause license,
  * the "License"; You may not use this file except in compliance with the
  * License. You may obtain a copy of the License at:
  *                        opensource.org/licenses/BSD-3-Clause
  *
  ******************************************************************************
  */

/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef STM32F0xx_HAL_CRC_H
#define STM32F0xx_HAL_CRC_H

#ifdef __cplusplus
extern "C" {
#endif

/* Includes ------------------------------------------------------------------*/
#include "stm32f0xx_hal_def.h"

/** @addtogroup STM32F0xx_HAL_Driver
  * @{
  */

/** @addtogroup CRC
  * @{
  */

/* Exported types ------------------------------------------------------------*/
/** @defgroup CRC_Exported_Types CRC Exported Types
  * @{
  */

/**
  * @brief  CRC HAL State Structure definition
  */
typedef enum
{
  HAL_CRC_STATE_RESET     = 0x00U,  /*!< CRC not yet initialized or disabled */
  HAL_CRC_STATE_READY     = 0x01U,  /*!< CRC initialized and ready for use   */
  HAL_CRC_STATE_BUSY      = 0x02U,  /*!< CRC internal process is ongoing     */
  HAL_CRC_STATE_TIMEOUT   = 0x03U,  /*!< CRC timeout state                   */
  HAL_CRC_STATE_ERROR     = 0x04U   /*!< CRC error state                     */
} HAL_CRC_StateTypeDef;

/**
  * @brief CRC Init Structure definition
  */
typedef struct
{
#if defined(CRC_POL_POL)
  uint8_t DefaultPolynomialUse;       /*!< This parameter is a value of @ref CRC_Default_Polynomial and indicates if default polynomial is used.
                                            If set to DEFAULT_POLYNOMIAL_ENABLE, resort to default
                                            X^32 + X^26 + X^23 + X^22 + X^16 + X^12 + X^11 + X^10 +X^8 + X^7 + X^5 + X^4 + X^2+ X +1.
                                            In that case, there is no need to set GeneratingPolynomial field.
                                            If otherwise set to DEFAULT_POLYNOMIAL_DISABLE, GeneratingPolynomial and CRCLength fields must be set. */
#endif /* CRC_POL_POL */

  uint8_t DefaultInitValueUse;        /*!< This parameter is a value of @ref CRC_Default_InitValue_Use and indicates if default init value is used.
                                           If set to DEFAULT_INIT_VALUE_ENABLE, resort to default
                                           0xFFFFFFFF value. In that case, there is no need to set InitValue field.
                                           If otherwise set to DEFAULT_INIT_VALUE_DISABLE,  InitValue field must be set. */

#if defined(CRC_POL_POL)
  uint32_t GeneratingPolynomial;      /*!< Set CRC generating polynomial as a 7, 8, 16 or 32-bit long value for a polynomial degree
                                           respectively equal to 7, 8, 16 or 32. This field is written in normal representation,
                                           e.g., for a polynomial of degree 7, X^7 + X^6 + X^5 + X^2 + 1 is written 0x65.
                                           No need to specify it if DefaultPolynomialUse is set to DEFAULT_POLYNOMIAL_ENABLE.   */

  uint32_t CRCLength;                 /*!< This parameter is a value of @ref CRC_Polynomial_Sizes and indicates CRC length.
                                           Value can be either one of
                                           @arg @ref CRC_POLYLENGTH_32B                  (32-bit CRC),
                                           @arg @ref CRC_POLYLENGTH_16B                  (16-bit CRC),
                                           @arg @ref CRC_POLYLENGTH_8B                   (8-bit CRC),
                                           @arg @ref CRC_POLYLENGTH_7B                   (7-bit CRC). */
#endif /* CRC_POL_POL */

  uint32_t InitValue;                 /*!< Init value to initiate CRC computation. No need to specify it if DefaultInitValueUse
                                           is set to DEFAULT_INIT_VALUE_ENABLE.   */

  uint32_t InputDataInversionMode;    /*!< This parameter is a value of @ref CRCEx_Input_Data_Inversion and specifies input data inversion mode.
                                           Can be either one of the following values
                                           @arg @ref CRC_INPUTDATA_INVERSION_NONE       no input data inversion
                                           @arg @ref CRC_INPUTDATA_INVERSION_BYTE       byte-wise inversion, 0x1A2B3C4D becomes 0x58D43CB2
                                           @arg @ref CRC_INPUTDATA_INVERSION_HALFWORD   halfword-wise inversion, 0x1A2B3C4D becomes 0xD458B23C
                                           @arg @ref CRC_INPUTDATA_INVERSION_WORD       word-wise inversion, 0x1A2B3C4D becomes 0xB23CD458 */

  uint32_t OutputDataInversionMode;   /*!< This parameter is a value of @ref CRCEx_Output_Data_Inversion and specifies output data (i.e. CRC) inversion mode.
                                            Can be either
                                            @arg @ref CRC_OUTPUTDATA_INVERSION_DISABLE   no CRC inversion,
                                            @arg @ref CRC_OUTPUTDATA_INVERSION_ENABLE    CRC 0x11223344 is converted into 0x22CC4488 */
} CRC_InitTypeDef;

/**
  * @brief  CRC Handle Structure definition
  */
typedef struct
{
  CRC_TypeDef                 *Instance;   /*!< Register base address        */

  CRC_InitTypeDef             Init;        /*!< CRC configuration parameters */

  HAL_LockTypeDef             Lock;        /*!< CRC Locking object           */

  __IO HAL_CRC_StateTypeDef   State;       /*!< CRC communication state      */

  uint32_t InputDataFormat;                /*!< This parameter is a value of @ref CRC_Input_Buffer_Format and specifies input data format.
                                            Can be either
                                            @arg @ref CRC_INPUTDATA_FORMAT_BYTES       input data is a stream of bytes (8-bit data)
                                            @arg @ref CRC_INPUTDATA_FORMAT_HALFWORDS   input data is a stream of half-words (16-bit data)
                                            @arg @ref CRC_INPUTDATA_FORMAT_WORDS       input data is a stream of words (32-bit data)

                                           Note that constant CRC_INPUT_FORMAT_UNDEFINED is defined but an initialization error
                                           must occur if InputBufferFormat is not one of the three values listed above  */
} CRC_HandleTypeDef;
/**
  * @}
  */

/* Exported constants --------------------------------------------------------*/
/** @defgroup CRC_Exported_Constants CRC Exported Constants
  * @{
  */

#if defined(CRC_POL_POL)
/** @defgroup CRC_Default_Polynomial_Value    Default CRC generating polynomial
  * @{
  */
#define DEFAULT_CRC32_POLY      0x04C11DB7U  /*!<  X^32 + X^26 + X^23 + X^22 + X^16 + X^12 + X^11 + X^10 +X^8 + X^7 + X^5 + X^4 + X^2+ X +1 */
/**
  * @}
  */
#endif /* CRC_POL_POL */

/** @defgroup CRC_Default_InitValue    Default CRC computation initialization value
  * @{
  */
#define DEFAULT_CRC_INITVALUE   0xFFFFFFFFU  /*!< Initial CRC default value */
/**
  * @}
  */

#if defined(CRC_POL_POL)
/** @defgroup CRC_Default_Polynomial    Indicates whether or not default polynomial is used
  * @{
  */
#define DEFAULT_POLYNOMIAL_ENABLE       ((uint8_t)0x00U)  /*!< Enable default generating polynomial 0x04C11DB7  */
#define DEFAULT_POLYNOMIAL_DISABLE      ((uint8_t)0x01U)  /*!< Disable default generating polynomial 0x04C11DB7 */
/**
  * @}
  */
#endif /* CRC_POL_POL */

/** @defgroup CRC_Default_InitValue_Use    Indicates whether or not default init value is used
  * @{
  */
#define DEFAULT_INIT_VALUE_ENABLE      ((uint8_t)0x00U) /*!< Enable initial CRC default value  */
#define DEFAULT_INIT_VALUE_DISABLE     ((uint8_t)0x01U) /*!< Disable initial CRC default value */
/**
  * @}
  */

#if defined(CRC_POL_POL)
/** @defgroup CRC_Polynomial_Sizes Polynomial sizes to configure the peripheral
  * @{
  */
#define CRC_POLYLENGTH_32B                  0x00000000U        /*!< Resort to a 32-bit long generating polynomial */
#define CRC_POLYLENGTH_16B                  CRC_CR_POLYSIZE_0  /*!< Resort to a 16-bit long generating polynomial */
#define CRC_POLYLENGTH_8B                   CRC_CR_POLYSIZE_1  /*!< Resort to a 8-bit long generating polynomial  */
#define CRC_POLYLENGTH_7B                   CRC_CR_POLYSIZE    /*!< Resort to a 7-bit long generating polynomial  */
/**
  * @}
  */

/** @defgroup CRC_Polynomial_Size_Definitions CRC polynomial possible sizes actual definitions
  * @{
  */
#define HAL_CRC_LENGTH_32B     32U          /*!< 32-bit long CRC */
#define HAL_CRC_LENGTH_16B     16U          /*!< 16-bit long CRC */
#define HAL_CRC_LENGTH_8B       8U          /*!< 8-bit long CRC  */
#define HAL_CRC_LENGTH_7B       7U          /*!< 7-bit long CRC  */
/**
  * @}
  */
#endif /* CRC_POL_POL */

/** @defgroup CRC_Input_Buffer_Format Input Buffer Format
  * @{
  */
/* WARNING: CRC_INPUT_FORMAT_UNDEFINED is created for reference purposes but
 * an error is triggered in HAL_CRC_Init() if InputDataFormat field is set
 * to CRC_INPUT_FORMAT_UNDEFINED: the format MUST be defined by the user for
 * the CRC APIs to provide a correct result */
#define CRC_INPUTDATA_FORMAT_UNDEFINED             0x00000000U  /*!< Undefined input data format    */
#define CRC_INPUTDATA_FORMAT_BYTES                 0x00000001U  /*!< Input data in byte format      */
#define CRC_INPUTDATA_FORMAT_HALFWORDS             0x00000002U  /*!< Input data in half-word format */
#define CRC_INPUTDATA_FORMAT_WORDS                 0x00000003U  /*!< Input data in word format      */
/**
  * @}
  */

/** @defgroup CRC_Aliases CRC API aliases
  * @{
  */
#define HAL_CRC_Input_Data_Reverse   HAL_CRCEx_Input_Data_Reverse    /*!< Aliased to HAL_CRCEx_Input_Data_Reverse for inter STM32 series compatibility  */
#define HAL_CRC_Output_Data_Reverse  HAL_CRCEx_Output_Data_Reverse   /*!< Aliased to HAL_CRCEx_Output_Data_Reverse for inter STM32 series compatibility */
/**
  * @}
  */

/**
  * @}
  */

/* Exported macros -----------------------------------------------------------*/
/** @defgroup CRC_Exported_Macros CRC Exported Macros
  * @{
  */

/** @brief Reset CRC handle state.
  * @param  __HANDLE__ CRC handle.
  * @retval None
  */
#define __HAL_CRC_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_CRC_STATE_RESET)

/**
  * @brief  Reset CRC Data Register.
  * @param  __HANDLE__ CRC handle
  * @retval None
  */
#define __HAL_CRC_DR_RESET(__HANDLE__) ((__HANDLE__)->Instance->CR |= CRC_CR_RESET)

/**
  * @brief  Set CRC INIT non-default value
  * @param  __HANDLE__ CRC handle
  * @param  __INIT__ 32-bit initial value
  * @retval None
  */
#define __HAL_CRC_INITIALCRCVALUE_CONFIG(__HANDLE__, __INIT__) ((__HANDLE__)->Instance->INIT = (__INIT__))

/**
  * @brief Store data in the Independent Data (ID) register.
  * @param __HANDLE__ CRC handle
  * @param __VALUE__  Value to be stored in the ID register
  * @note  Refer to the Reference Manual to get the authorized __VALUE__ length in bits
  * @retval None
  */
#define __HAL_CRC_SET_IDR(__HANDLE__, __VALUE__) (WRITE_REG((__HANDLE__)->Instance->IDR, (__VALUE__)))

/**
  * @brief Return the data stored in the Independent Data (ID) register.
  * @param __HANDLE__ CRC handle
  * @note  Refer to the Reference Manual to get the authorized __VALUE__ length in bits
  * @retval Value of the ID register
  */
#define __HAL_CRC_GET_IDR(__HANDLE__) (((__HANDLE__)->Instance->IDR) & CRC_IDR_IDR)
/**
  * @}
  */


/* Private macros --------------------------------------------------------*/
/** @defgroup  CRC_Private_Macros CRC Private Macros
  * @{
  */

#if defined(CRC_POL_POL)
#define IS_DEFAULT_POLYNOMIAL(DEFAULT) (((DEFAULT) == DEFAULT_POLYNOMIAL_ENABLE) || \
                                        ((DEFAULT) == DEFAULT_POLYNOMIAL_DISABLE))
#endif /* CRC_POL_POL */

#define IS_DEFAULT_INIT_VALUE(VALUE)  (((VALUE) == DEFAULT_INIT_VALUE_ENABLE) || \
                                       ((VALUE) == DEFAULT_INIT_VALUE_DISABLE))

#if defined(CRC_POL_POL)
#define IS_CRC_POL_LENGTH(LENGTH)     (((LENGTH) == CRC_POLYLENGTH_32B) || \
                                       ((LENGTH) == CRC_POLYLENGTH_16B) || \
                                       ((LENGTH) == CRC_POLYLENGTH_8B)  || \
                                       ((LENGTH) == CRC_POLYLENGTH_7B))
#endif /* CRC_POL_POL */

#define IS_CRC_INPUTDATA_FORMAT(FORMAT)           (((FORMAT) == CRC_INPUTDATA_FORMAT_BYTES)     || \
                                                   ((FORMAT) == CRC_INPUTDATA_FORMAT_HALFWORDS) || \
                                                   ((FORMAT) == CRC_INPUTDATA_FORMAT_WORDS))

/**
  * @}
  */

/* Include CRC HAL Extended module */
#include "stm32f0xx_hal_crc_ex.h"

/* Exported functions --------------------------------------------------------*/
/** @defgroup CRC_Exported_Functions CRC Exported Functions
  * @{
  */

/* Initialization and de-initialization functions  ****************************/
/** @defgroup CRC_Exported_Functions_Group1 Initialization and de-initialization functions
  * @{
  */
HAL_StatusTypeDef HAL_CRC_Init(CRC_HandleTypeDef *hcrc);
HAL_StatusTypeDef HAL_CRC_DeInit(CRC_HandleTypeDef *hcrc);
void HAL_CRC_MspInit(CRC_HandleTypeDef *hcrc);
void HAL_CRC_MspDeInit(CRC_HandleTypeDef *hcrc);
/**
  * @}
  */

/* Peripheral Control functions ***********************************************/
/** @defgroup CRC_Exported_Functions_Group2 Peripheral Control functions
  * @{
  */
uint32_t HAL_CRC_Accumulate(CRC_HandleTypeDef *hcrc, uint32_t pBuffer[], uint32_t BufferLength);
uint32_t HAL_CRC_Calculate(CRC_HandleTypeDef *hcrc, uint32_t pBuffer[], uint32_t BufferLength);
/**
  * @}
  */

/* Peripheral State and Error functions ***************************************/
/** @defgroup CRC_Exported_Functions_Group3 Peripheral State functions
  * @{
  */
HAL_CRC_StateTypeDef HAL_CRC_GetState(CRC_HandleTypeDef *hcrc);
/**
  * @}
  */

/**
  * @}
  */

/**
  * @}
  */

/**
  * @}
  */

#ifdef __cplusplus
}
#endif

#endif /* STM32F0xx_HAL_CRC_H */

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/