tool/mbed/mbed-sdk/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/stm32l0xx_hal_rng.h

   1 /**
   2   ******************************************************************************
   3   * @file    stm32l0xx_hal_rng.h
   4
   5   * @author  MCD Application Team
   6   * @version V1.2.0
   7   * @date    06-February-2015
   8   * @brief   Header file of RNG HAL module.
   9   ******************************************************************************
  10   * @attention
  11   *
  12   * <h2><center>&copy; COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
  13   *
  14   * Redistribution and use in source and binary forms, with or without modification,
  15   * are permitted provided that the following conditions are met:
  16   *   1. Redistributions of source code must retain the above copyright notice,
  17   *      this list of conditions and the following disclaimer.
  18   *   2. Redistributions in binary form must reproduce the above copyright notice,
  19   *      this list of conditions and the following disclaimer in the documentation
  20   *      and/or other materials provided with the distribution.
  21   *   3. Neither the name of STMicroelectronics nor the names of its contributors
  22   *      may be used to endorse or promote products derived from this software
  23   *      without specific prior written permission.
  24   *
  25   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  26   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  27   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  28   * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  29   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  30   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  31   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  32   * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  33   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  34   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  35   *
  36   ******************************************************************************
  37   */
  38
  39 /* Define to prevent recursive inclusion -------------------------------------*/
  40 #ifndef __STM32L0xx_HAL_RNG_H
  41 #define __STM32L0xx_HAL_RNG_H
  42
  43 #ifdef __cplusplus
  44  extern "C" {
  45 #endif
  46
  47 #if defined (STM32L052xx) || defined (STM32L053xx) || defined (STM32L062xx) ||  defined (STM32L063xx) || \
  48     defined (STM32L072xx) || defined (STM32L073xx) || defined (STM32L082xx) ||  defined (STM32L083xx)
  49
  50 /* Includes ------------------------------------------------------------------*/
  51 #include "stm32l0xx_hal_def.h"
  52
  53 /** @addtogroup STM32L0xx_HAL_Driver
  54   * @{
  55   */
  56
  57 /** @defgroup RNG RNG
  58   * @brief RNG HAL module driver
  59   * @{
  60   */
  61
  62 /* Exported types ------------------------------------------------------------*/
  63
  64 /** @defgroup RNG_Exported_Types RNG Exported Types
  65   * @{
  66   */
  67
  68 /** @defgroup RNG_Exported_Types_Group1 RNG State Structure definition
  69   * @{
  70   */
  71 typedef enum
  72 {
  73   HAL_RNG_STATE_RESET     = 0x00,  /*!< RNG not yet initialized or disabled */
  74   HAL_RNG_STATE_READY     = 0x01,  /*!< RNG initialized and ready for use   */
  75   HAL_RNG_STATE_BUSY      = 0x02,  /*!< RNG internal process is ongoing     */
  76   HAL_RNG_STATE_TIMEOUT   = 0x03,  /*!< RNG timeout state                   */
  77   HAL_RNG_STATE_ERROR     = 0x04   /*!< RNG error state                     */
  78
  79 }HAL_RNG_StateTypeDef;
  80
  81 /**
  82   * @}
  83   */
  84
  85 /** @defgroup RNG_Exported_Types_Group2 RNG Handle Structure definition
  86   * @{
  87   */
  88 typedef struct
  89 {
  90   RNG_TypeDef                 *Instance;    /*!< Register base address   */
  91
  92   HAL_LockTypeDef             Lock;         /*!< RNG locking object      */
  93
  94   __IO HAL_RNG_StateTypeDef   State;        /*!< RNG communication state */
  95
  96   uint32_t                    RandomNumber; /*!< Last Generated RNG Data */
  97
  98 }RNG_HandleTypeDef;
  99
 100 /**
 101   * @}
 102   */
 103
 104 /**
 105   * @}
 106   */
 107
 108 /* Exported constants --------------------------------------------------------*/
 109
 110 /** @defgroup RNG_Exported_Constants RNG Exported Constants
 111   * @{
 112   */
 113
 114 /** @defgroup RNG_Exported_Constants_Group1 RNG Interrupt definition
 115   * @{
 116   */
 117 #define RNG_IT_DRDY  ((uint32_t)RNG_SR_DRDY)  /*!< Data ready interrupt */
 118 #define RNG_IT_CEI   ((uint32_t)RNG_SR_CEIS)  /*!< Clock error interrupt */
 119 #define RNG_IT_SEI   ((uint32_t)RNG_SR_SEIS)  /*!< Seed error interrupt  */
 120
 121
 122 /**
 123   * @}
 124   */
 125
 126 /** @defgroup RNG_Exported_Constants_Group2 RNG Flag definition
 127   * @{
 128   */
 129 #define RNG_FLAG_DRDY   ((uint32_t)RNG_SR_DRDY)  /*!< Data ready                 */
 130 #define RNG_FLAG_CECS   ((uint32_t)RNG_SR_CECS)  /*!< Clock error current status */
 131 #define RNG_FLAG_SECS   ((uint32_t)RNG_SR_SECS)  /*!< Seed error current status  */
 132
 133 /**
 134   * @}
 135   */
 136
 137 /**
 138   * @}
 139   */
 140
 141 /* Exported macros -----------------------------------------------------------*/
 142 /** @defgroup RNG_Exported_Macros RNG Exported Macros
 143   * @{
 144   */
 145
 146 /** @brief Reset RNG handle state
 147   * @param  __HANDLE__: RNG Handle
 148   * @retval None
 149   */
 150 #define __HAL_RNG_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_RNG_STATE_RESET)
 151
 152 /**
 153   * @brief  Enables the RNG peripheral.
 154   * @param  __HANDLE__: RNG Handle
 155   * @retval None
 156   */
 157 #define __HAL_RNG_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR |=  RNG_CR_RNGEN)
 158
 159 /**
 160   * @brief  Disables the RNG peripheral.
 161   * @param  __HANDLE__: RNG Handle
 162   * @retval None
 163   */
 164 #define __HAL_RNG_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR &= ~RNG_CR_RNGEN)
 165
 166 /**
 167   * @brief  Check the selected RNG flag status.
 168   * @param  __HANDLE__: RNG Handle
 169   * @param  __FLAG__: RNG flag
 170   *          This parameter can be one of the following values:
 171   *            @arg RNG_FLAG_DRDY:  Data ready
 172   *            @arg RNG_FLAG_CECS:  Clock error current status
 173   *            @arg RNG_FLAG_SECS:  Seed error current status
 174   * @retval The new state of __FLAG__ (SET or RESET).
 175   */
 176 #define __HAL_RNG_GET_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->SR & (__FLAG__)) == (__FLAG__))
 177
 178
 179 /**
 180   * @brief  Clears the selected RNG flag status.
 181   * @param  __HANDLE__: RNG handle
 182   * @param  __FLAG__: RNG flag to clear
 183   * @note   WARNING: This is a dummy macro for HAL code alignment,
 184   *         flags RNG_FLAG_DRDY, RNG_FLAG_CECS and RNG_FLAG_SECS are read-only.
 185   * @retval None
 186   */
 187 #define __HAL_RNG_CLEAR_FLAG(__HANDLE__, __FLAG__)                      /* dummy  macro */
 188
 189
 190
 191 /**
 192   * @brief  Enables the RNG interrupts.
 193   * @param  __HANDLE__: RNG Handle
 194   * @retval None
 195   */
 196 #define __HAL_RNG_ENABLE_IT(__HANDLE__) ((__HANDLE__)->Instance->CR |=  RNG_CR_IE)
 197
 198 /**
 199   * @brief  Disables the RNG interrupts.
 200   * @param  __HANDLE__: RNG Handle
 201   * @retval None
 202   */
 203 #define __HAL_RNG_DISABLE_IT(__HANDLE__) ((__HANDLE__)->Instance->CR &= ~RNG_CR_IE)
 204
 205 /**
 206   * @brief  Checks whether the specified RNG interrupt has occurred or not.
 207   * @param  __HANDLE__: RNG Handle
 208   * @param  __INTERRUPT__: specifies the RNG interrupt status flag to check.
 209   *         This parameter can be one of the following values:
 210   *            @arg RNG_IT_DRDY: Data ready interrupt
 211   *            @arg RNG_IT_CEI: Clock error interrupt
 212   *            @arg RNG_IT_SEI: Seed error interrupt
 213   * @retval The new state of __INTERRUPT__ (SET or RESET).
 214   */
 215 #define __HAL_RNG_GET_IT(__HANDLE__, __INTERRUPT__) (((__HANDLE__)->Instance->SR & (__INTERRUPT__)) == (__INTERRUPT__))
 216
 217 /**
 218   * @brief  Clears the RNG interrupt status flags.
 219   * @param  __HANDLE__: RNG Handle
 220   * @param  __INTERRUPT__: specifies the RNG interrupt status flag to clear.
 221   *          This parameter can be one of the following values:
 222   *            @arg RNG_IT_CEI: Clock error interrupt
 223   *            @arg RNG_IT_SEI: Seed error interrupt
 224   * @note   RNG_IT_DRDY flag is read-only, reading RNG_DR register automatically clears RNG_IT_DRDY.
 225   * @retval None
 226   */
 227 #define __HAL_RNG_CLEAR_IT(__HANDLE__, __INTERRUPT__) (((__HANDLE__)->Instance->SR) = ~(__INTERRUPT__))
 228
 229 /**
 230   * @}
 231   */
 232
 233 /* Exported functions --------------------------------------------------------*/
 234 /** @defgroup RNG_Exported_Functions RNG Exported Functions
 235   * @{
 236   */
 237
 238 /* Initialization and de-initialization functions  ******************************/
 239 /** @defgroup RNG_Exported_Functions_Group1 Initialization and de-initialization functions
 240   * @{
 241   */
 242 HAL_StatusTypeDef HAL_RNG_Init(RNG_HandleTypeDef *hrng);
 243 HAL_StatusTypeDef HAL_RNG_DeInit (RNG_HandleTypeDef *hrng);
 244 void HAL_RNG_MspInit(RNG_HandleTypeDef *hrng);
 245 void HAL_RNG_MspDeInit(RNG_HandleTypeDef *hrng);
 246
 247 /**
 248   * @}
 249   */
 250
 251 /* Peripheral Control functions  ************************************************/
 252 /** @defgroup RNG_Exported_Functions_Group2 Peripheral Control functions
 253   * @{
 254   */
 255 uint32_t HAL_RNG_GetRandomNumber(RNG_HandleTypeDef *hrng);    /* Obsolete, use HAL_RNG_GenerateRandomNumber() instead    */
 256 uint32_t HAL_RNG_GetRandomNumber_IT(RNG_HandleTypeDef *hrng); /* Obsolete, use HAL_RNG_GenerateRandomNumber_IT() instead */
 257
 258 HAL_StatusTypeDef HAL_RNG_GenerateRandomNumber(RNG_HandleTypeDef *hrng, uint32_t *random32bit);
 259 HAL_StatusTypeDef HAL_RNG_GenerateRandomNumber_IT(RNG_HandleTypeDef *hrng);
 260 uint32_t HAL_RNG_ReadLastRandomNumber(RNG_HandleTypeDef *hrng);
 261
 262 void HAL_RNG_IRQHandler(RNG_HandleTypeDef *hrng);
 263 void HAL_RNG_ErrorCallback(RNG_HandleTypeDef *hrng);
 264 void HAL_RNG_ReadyDataCallback(RNG_HandleTypeDef* hrng, uint32_t random32bit);
 265
 266 /**
 267   * @}
 268   */
 269
 270 /* Peripheral State functions  **************************************************/
 271 /** @defgroup RNG_Exported_Functions_Group3 Peripheral State functions
 272   * @{
 273   */
 274 HAL_RNG_StateTypeDef HAL_RNG_GetState(RNG_HandleTypeDef *hrng);
 275 /**
 276   * @}
 277   */
 278
 279 /**
 280   * @}
 281   */
 282
 283 /* Private types -------------------------------------------------------------*/
 284 /** @defgroup RNG_Private_Types RNG Private Types
 285   * @{
 286   */
 287
 288 /**
 289   * @}
 290   */
 291
 292 /* Private defines -----------------------------------------------------------*/
 293 /** @defgroup RNG_Private_Defines RNG Private Defines
 294   * @{
 295   */
 296
 297 /**
 298   * @}
 299   */
 300
 301 /* Private variables ---------------------------------------------------------*/
 302 /** @defgroup RNG_Private_Variables RNG Private Variables
 303   * @{
 304   */
 305
 306 /**
 307   * @}
 308   */
 309
 310 /* Private constants ---------------------------------------------------------*/
 311 /** @defgroup RNG_Private_Constants RNG Private Constants
 312   * @{
 313   */
 314
 315 /**
 316   * @}
 317   */
 318 /* Private macros ------------------------------------------------------------*/
 319 /** @defgroup RNG_Private_Macros RNG Private Macros
 320   * @{
 321   */
 322
 323 /**
 324   * @}
 325   */
 326
 327 /* Private functions prototypes ----------------------------------------------*/
 328 /** @defgroup RNG_Private_Functions_Prototypes RNG Private Functions Prototypes
 329   * @{
 330   */
 331
 332 /**
 333   * @}
 334   */
 335
 336 /* Private functions ---------------------------------------------------------*/
 337 /** @defgroup RNG_Private_Functions RNG Private Functions
 338   * @{
 339   */
 340
 341 /**
 342   * @}
 343   */
 344
 345 /**
 346   * @}
 347   */
 348
 349 /**
 350   * @}
 351   */
 352 #endif /*  if defined (STM32L052xx) || defined (STM32L053xx) || defined (STM32L062xx) ||  defined (STM32L063xx) || \
 353            defined (STM32L072xx) || defined (STM32L073xx) || defined (STM32L082xx) ||  defined (STM32L083xx)         */
 354 #ifdef __cplusplus
 355 }
 356 #endif
 357
 358 #endif /* __STM32L0xx_HAL_RNG_H */
 359
 360
 361 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
 362