summaryrefslogtreecommitdiff
path: root/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_rng.h
blob: ecce334fcada2629971ad2062990e30dcf417a53 (plain) (blame)
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
358
359
360
361
362
363
364
/**
  ******************************************************************************
  * @file    stm32f4xx_hal_rng.h
  * @author  MCD Application Team
  * @version V1.3.2
  * @date    26-June-2015
  * @brief   Header file of RNG HAL module.
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
  *
  * 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 STMicroelectronics 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.
  *
  ******************************************************************************
  */

/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __STM32F4xx_HAL_RNG_H
#define __STM32F4xx_HAL_RNG_H

#ifdef __cplusplus
 extern "C" {
#endif

#if defined(STM32F405xx) || defined(STM32F415xx) || defined(STM32F407xx) || defined(STM32F417xx) ||\
    defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx)

/* Includes ------------------------------------------------------------------*/
#include "stm32f4xx_hal_def.h"

/** @addtogroup STM32F4xx_HAL_Driver
  * @{
  */

/** @defgroup RNG RNG
  * @brief RNG HAL module driver
  * @{
  */

/* Exported types ------------------------------------------------------------*/

/** @defgroup RNG_Exported_Types RNG Exported Types
  * @{
  */

/** @defgroup RNG_Exported_Types_Group1 RNG State Structure definition
  * @{
  */
typedef enum
{
  HAL_RNG_STATE_RESET     = 0x00,  /*!< RNG not yet initialized or disabled */
  HAL_RNG_STATE_READY     = 0x01,  /*!< RNG initialized and ready for use   */
  HAL_RNG_STATE_BUSY      = 0x02,  /*!< RNG internal process is ongoing     */
  HAL_RNG_STATE_TIMEOUT   = 0x03,  /*!< RNG timeout state                   */
  HAL_RNG_STATE_ERROR     = 0x04   /*!< RNG error state                     */

}HAL_RNG_StateTypeDef;

/**
  * @}
  */

/** @defgroup RNG_Exported_Types_Group2 RNG Handle Structure definition
  * @{
  */
typedef struct
{
  RNG_TypeDef                 *Instance;    /*!< Register base address   */

  HAL_LockTypeDef             Lock;         /*!< RNG locking object      */

  __IO HAL_RNG_StateTypeDef   State;        /*!< RNG communication state */

  uint32_t                    RandomNumber; /*!< Last Generated RNG Data */

}RNG_HandleTypeDef;

/**
  * @}
  */

/**
  * @}
  */

/* Exported constants --------------------------------------------------------*/

/** @defgroup RNG_Exported_Constants RNG Exported Constants
  * @{
  */

/** @defgroup RNG_Exported_Constants_Group1 RNG Interrupt definition
  * @{
  */
#define RNG_IT_DRDY  RNG_SR_DRDY  /*!< Data Ready interrupt  */
#define RNG_IT_CEI   RNG_SR_CEIS  /*!< Clock error interrupt */
#define RNG_IT_SEI   RNG_SR_SEIS  /*!< Seed error interrupt  */
/**
  * @}
  */

/** @defgroup RNG_Exported_Constants_Group2 RNG Flag definition
  * @{
  */
#define RNG_FLAG_DRDY   RNG_SR_DRDY  /*!< Data ready                 */
#define RNG_FLAG_CECS   RNG_SR_CECS  /*!< Clock error current status */
#define RNG_FLAG_SECS   RNG_SR_SECS  /*!< Seed error current status  */

/**
  * @}
  */

/**
  * @}
  */

/* Exported macros -----------------------------------------------------------*/

/** @defgroup RNG_Exported_Macros RNG Exported Macros
  * @{
  */

/** @brief Reset RNG handle state
  * @param  __HANDLE__: RNG Handle
  * @retval None
  */
#define __HAL_RNG_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_RNG_STATE_RESET)

/**
  * @brief  Enables the RNG peripheral.
  * @param  __HANDLE__: RNG Handle
  * @retval None
  */
#define __HAL_RNG_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR |=  RNG_CR_RNGEN)

/**
  * @brief  Disables the RNG peripheral.
  * @param  __HANDLE__: RNG Handle
  * @retval None
  */
#define __HAL_RNG_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR &= ~RNG_CR_RNGEN)

/**
  * @brief  Check the selected RNG flag status.
  * @param  __HANDLE__: RNG Handle
  * @param  __FLAG__: RNG flag
  *          This parameter can be one of the following values:
  *            @arg RNG_FLAG_DRDY: Data ready
  *            @arg RNG_FLAG_CECS: Clock error current status
  *            @arg RNG_FLAG_SECS: Seed error current status
  * @retval The new state of __FLAG__ (SET or RESET).
  */
#define __HAL_RNG_GET_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->SR & (__FLAG__)) == (__FLAG__))

/**
  * @brief  Clears the selected RNG flag status.
  * @param  __HANDLE__: RNG handle
  * @param  __FLAG__: RNG flag to clear
  * @note   WARNING: This is a dummy macro for HAL code alignment,
  *         flags RNG_FLAG_DRDY, RNG_FLAG_CECS and RNG_FLAG_SECS are read-only.
  * @retval None
  */
#define __HAL_RNG_CLEAR_FLAG(__HANDLE__, __FLAG__)                      /* dummy  macro */



/**
  * @brief  Enables the RNG interrupts.
  * @param  __HANDLE__: RNG Handle
  * @retval None
  */
#define __HAL_RNG_ENABLE_IT(__HANDLE__) ((__HANDLE__)->Instance->CR |=  RNG_CR_IE)

/**
  * @brief  Disables the RNG interrupts.
  * @param  __HANDLE__: RNG Handle
  * @retval None
  */
#define __HAL_RNG_DISABLE_IT(__HANDLE__) ((__HANDLE__)->Instance->CR &= ~RNG_CR_IE)

/**
  * @brief  Checks whether the specified RNG interrupt has occurred or not.
  * @param  __HANDLE__: RNG Handle
  * @param  __INTERRUPT__: specifies the RNG interrupt status flag to check.
  *         This parameter can be one of the following values:
  *            @arg RNG_IT_DRDY: Data ready interrupt
  *            @arg RNG_IT_CEI: Clock error interrupt
  *            @arg RNG_IT_SEI: Seed error interrupt
  * @retval The new state of __INTERRUPT__ (SET or RESET).
  */
#define __HAL_RNG_GET_IT(__HANDLE__, __INTERRUPT__) (((__HANDLE__)->Instance->SR & (__INTERRUPT__)) == (__INTERRUPT__))

/**
  * @brief  Clear the RNG interrupt status flags.
  * @param  __HANDLE__: RNG Handle
  * @param  __INTERRUPT__: specifies the RNG interrupt status flag to clear.
  *          This parameter can be one of the following values:
  *            @arg RNG_IT_CEI: Clock error interrupt
  *            @arg RNG_IT_SEI: Seed error interrupt
  * @note   RNG_IT_DRDY flag is read-only, reading RNG_DR register automatically clears RNG_IT_DRDY.
  * @retval None
  */
#define __HAL_RNG_CLEAR_IT(__HANDLE__, __INTERRUPT__) (((__HANDLE__)->Instance->SR) = ~(__INTERRUPT__))

/**
  * @}
  */

/* Exported functions --------------------------------------------------------*/
/** @defgroup RNG_Exported_Functions RNG Exported Functions
  * @{
  */

/** @defgroup RNG_Exported_Functions_Group1 Initialization and de-initialization functions
  * @{
  */
HAL_StatusTypeDef HAL_RNG_Init(RNG_HandleTypeDef *hrng);
HAL_StatusTypeDef HAL_RNG_DeInit (RNG_HandleTypeDef *hrng);
void HAL_RNG_MspInit(RNG_HandleTypeDef *hrng);
void HAL_RNG_MspDeInit(RNG_HandleTypeDef *hrng);

/**
  * @}
  */

/** @defgroup RNG_Exported_Functions_Group2 Peripheral Control functions
  * @{
  */
uint32_t HAL_RNG_GetRandomNumber(RNG_HandleTypeDef *hrng);    /* Obsolete, use HAL_RNG_GenerateRandomNumber() instead    */
uint32_t HAL_RNG_GetRandomNumber_IT(RNG_HandleTypeDef *hrng); /* Obsolete, use HAL_RNG_GenerateRandomNumber_IT() instead */

HAL_StatusTypeDef HAL_RNG_GenerateRandomNumber(RNG_HandleTypeDef *hrng, uint32_t *random32bit);
HAL_StatusTypeDef HAL_RNG_GenerateRandomNumber_IT(RNG_HandleTypeDef *hrng);
uint32_t HAL_RNG_ReadLastRandomNumber(RNG_HandleTypeDef *hrng);

void HAL_RNG_IRQHandler(RNG_HandleTypeDef *hrng);
void HAL_RNG_ErrorCallback(RNG_HandleTypeDef *hrng);
void HAL_RNG_ReadyDataCallback(RNG_HandleTypeDef* hrng, uint32_t random32bit);

/**
  * @}
  */

/** @defgroup RNG_Exported_Functions_Group3 Peripheral State functions
  * @{
  */
HAL_RNG_StateTypeDef HAL_RNG_GetState(RNG_HandleTypeDef *hrng);

/**
  * @}
  */

/**
  * @}
  */

/* Private types -------------------------------------------------------------*/
/** @defgroup RNG_Private_Types RNG Private Types
  * @{
  */

/**
  * @}
  */

/* Private defines -----------------------------------------------------------*/
/** @defgroup RNG_Private_Defines RNG Private Defines
  * @{
  */

/**
  * @}
  */

/* Private variables ---------------------------------------------------------*/
/** @defgroup RNG_Private_Variables RNG Private Variables
  * @{
  */

/**
  * @}
  */

/* Private constants ---------------------------------------------------------*/
/** @defgroup RNG_Private_Constants RNG Private Constants
  * @{
  */

/**
  * @}
  */

/* Private macros ------------------------------------------------------------*/
/** @defgroup RNG_Private_Macros RNG Private Macros
  * @{
  */
#define IS_RNG_IT(IT) (((IT) == RNG_IT_CEI) || \
                       ((IT) == RNG_IT_SEI))

#define IS_RNG_FLAG(FLAG) (((FLAG) == RNG_FLAG_DRDY) || \
                           ((FLAG) == RNG_FLAG_CECS) || \
                           ((FLAG) == RNG_FLAG_SECS))

/**
  * @}
  */

/* Private functions prototypes ----------------------------------------------*/
/** @defgroup RNG_Private_Functions_Prototypes RNG Private Functions Prototypes
  * @{
  */

/**
  * @}
  */

/* Private functions ---------------------------------------------------------*/
/** @defgroup RNG_Private_Functions RNG Private Functions
  * @{
  */

/**
  * @}
  */

/**
  * @}
  */

/**
  * @}
  */

#endif /* STM32F405xx || STM32F415xx || STM32F407xx || STM32F417xx || STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx */

#ifdef __cplusplus
}
#endif


#endif /* __STM32F4xx_HAL_RNG_H */

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