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HAL_L476/stm32l4xx_ll_rng.c@1:d0dfbce63a89, 2017-02-24 (annotated)

Committer:
elmot
Date:
Fri Feb 24 21:13:56 2017 +0000
Revision:
1:d0dfbce63a89
Ready-to-copy

Who changed what in which revision?

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elmot 1:d0dfbce63a89 1 /**
elmot 1:d0dfbce63a89 2 ******************************************************************************
elmot 1:d0dfbce63a89 3 * @file stm32l4xx_ll_rng.c
elmot 1:d0dfbce63a89 4 * @author MCD Application Team
elmot 1:d0dfbce63a89 5 * @version V1.5.1
elmot 1:d0dfbce63a89 6 * @date 31-May-2016
elmot 1:d0dfbce63a89 7 * @brief RNG LL module driver.
elmot 1:d0dfbce63a89 8 ******************************************************************************
elmot 1:d0dfbce63a89 9 * @attention
elmot 1:d0dfbce63a89 10 *
elmot 1:d0dfbce63a89 11 * <h2><center>&copy; COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
elmot 1:d0dfbce63a89 12 *
elmot 1:d0dfbce63a89 13 * Redistribution and use in source and binary forms, with or without modification,
elmot 1:d0dfbce63a89 14 * are permitted provided that the following conditions are met:
elmot 1:d0dfbce63a89 15 * 1. Redistributions of source code must retain the above copyright notice,
elmot 1:d0dfbce63a89 16 * this list of conditions and the following disclaimer.
elmot 1:d0dfbce63a89 17 * 2. Redistributions in binary form must reproduce the above copyright notice,
elmot 1:d0dfbce63a89 18 * this list of conditions and the following disclaimer in the documentation
elmot 1:d0dfbce63a89 19 * and/or other materials provided with the distribution.
elmot 1:d0dfbce63a89 20 * 3. Neither the name of STMicroelectronics nor the names of its contributors
elmot 1:d0dfbce63a89 21 * may be used to endorse or promote products derived from this software
elmot 1:d0dfbce63a89 22 * without specific prior written permission.
elmot 1:d0dfbce63a89 23 *
elmot 1:d0dfbce63a89 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
elmot 1:d0dfbce63a89 25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
elmot 1:d0dfbce63a89 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
elmot 1:d0dfbce63a89 27 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
elmot 1:d0dfbce63a89 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
elmot 1:d0dfbce63a89 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
elmot 1:d0dfbce63a89 30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
elmot 1:d0dfbce63a89 31 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
elmot 1:d0dfbce63a89 32 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
elmot 1:d0dfbce63a89 33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
elmot 1:d0dfbce63a89 34 *
elmot 1:d0dfbce63a89 35 ******************************************************************************
elmot 1:d0dfbce63a89 36 */
elmot 1:d0dfbce63a89 37 #if defined(USE_FULL_LL_DRIVER)
elmot 1:d0dfbce63a89 38
elmot 1:d0dfbce63a89 39 /* Includes ------------------------------------------------------------------*/
elmot 1:d0dfbce63a89 40 #include "stm32l4xx_ll_rng.h"
elmot 1:d0dfbce63a89 41 #include "stm32l4xx_ll_bus.h"
elmot 1:d0dfbce63a89 42
elmot 1:d0dfbce63a89 43 #ifdef USE_FULL_ASSERT
elmot 1:d0dfbce63a89 44 #include "stm32_assert.h"
elmot 1:d0dfbce63a89 45 #else
elmot 1:d0dfbce63a89 46 #define assert_param(expr) ((void)0U)
elmot 1:d0dfbce63a89 47 #endif
elmot 1:d0dfbce63a89 48
elmot 1:d0dfbce63a89 49 /** @addtogroup STM32L4xx_LL_Driver
elmot 1:d0dfbce63a89 50 * @{
elmot 1:d0dfbce63a89 51 */
elmot 1:d0dfbce63a89 52
elmot 1:d0dfbce63a89 53 #if defined (RNG)
elmot 1:d0dfbce63a89 54
elmot 1:d0dfbce63a89 55 /** @addtogroup RNG_LL
elmot 1:d0dfbce63a89 56 * @{
elmot 1:d0dfbce63a89 57 */
elmot 1:d0dfbce63a89 58
elmot 1:d0dfbce63a89 59 /* Private types -------------------------------------------------------------*/
elmot 1:d0dfbce63a89 60 /* Private variables ---------------------------------------------------------*/
elmot 1:d0dfbce63a89 61 /* Private constants ---------------------------------------------------------*/
elmot 1:d0dfbce63a89 62 /* Private macros ------------------------------------------------------------*/
elmot 1:d0dfbce63a89 63 /* Private function prototypes -----------------------------------------------*/
elmot 1:d0dfbce63a89 64
elmot 1:d0dfbce63a89 65 /* Exported functions --------------------------------------------------------*/
elmot 1:d0dfbce63a89 66 /** @addtogroup RNG_LL_Exported_Functions
elmot 1:d0dfbce63a89 67 * @{
elmot 1:d0dfbce63a89 68 */
elmot 1:d0dfbce63a89 69
elmot 1:d0dfbce63a89 70 /** @addtogroup RNG_LL_EF_Init
elmot 1:d0dfbce63a89 71 * @{
elmot 1:d0dfbce63a89 72 */
elmot 1:d0dfbce63a89 73
elmot 1:d0dfbce63a89 74 /**
elmot 1:d0dfbce63a89 75 * @brief De-initialize RNG registers (Registers restored to their default values).
elmot 1:d0dfbce63a89 76 * @param RNGx RNG Instance
elmot 1:d0dfbce63a89 77 * @retval An ErrorStatus enumeration value:
elmot 1:d0dfbce63a89 78 * - SUCCESS: RNG registers are de-initialized
elmot 1:d0dfbce63a89 79 * - ERROR: not applicable
elmot 1:d0dfbce63a89 80 */
elmot 1:d0dfbce63a89 81 ErrorStatus LL_RNG_DeInit(RNG_TypeDef *RNGx)
elmot 1:d0dfbce63a89 82 {
elmot 1:d0dfbce63a89 83 /* Check the parameters */
elmot 1:d0dfbce63a89 84 assert_param(IS_RNG_ALL_INSTANCE(RNGx));
elmot 1:d0dfbce63a89 85
elmot 1:d0dfbce63a89 86 /* Enable RNG reset state */
elmot 1:d0dfbce63a89 87 LL_AHB2_GRP1_ForceReset(LL_AHB2_GRP1_PERIPH_RNG);
elmot 1:d0dfbce63a89 88
elmot 1:d0dfbce63a89 89 /* Release RNG from reset state */
elmot 1:d0dfbce63a89 90 LL_AHB2_GRP1_ReleaseReset(LL_AHB2_GRP1_PERIPH_RNG);
elmot 1:d0dfbce63a89 91
elmot 1:d0dfbce63a89 92 return (SUCCESS);
elmot 1:d0dfbce63a89 93 }
elmot 1:d0dfbce63a89 94
elmot 1:d0dfbce63a89 95 /**
elmot 1:d0dfbce63a89 96 * @}
elmot 1:d0dfbce63a89 97 */
elmot 1:d0dfbce63a89 98
elmot 1:d0dfbce63a89 99 /**
elmot 1:d0dfbce63a89 100 * @}
elmot 1:d0dfbce63a89 101 */
elmot 1:d0dfbce63a89 102
elmot 1:d0dfbce63a89 103 /**
elmot 1:d0dfbce63a89 104 * @}
elmot 1:d0dfbce63a89 105 */
elmot 1:d0dfbce63a89 106
elmot 1:d0dfbce63a89 107 #endif /* defined (RNG) */
elmot 1:d0dfbce63a89 108
elmot 1:d0dfbce63a89 109 /**
elmot 1:d0dfbce63a89 110 * @}
elmot 1:d0dfbce63a89 111 */
elmot 1:d0dfbce63a89 112
elmot 1:d0dfbce63a89 113 #endif /* USE_FULL_LL_DRIVER */
elmot 1:d0dfbce63a89 114
elmot 1:d0dfbce63a89 115 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
elmot 1:d0dfbce63a89 116