Mercurial > public > ostc4
annotate Common/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_ll_rng.c @ 479:4b9427ae0a65 Improve_Button_Sleep
Bugfix unintended else condition:
Most likely copy past error in preparation of last commit...
author | ideenmodellierer |
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date | Wed, 13 May 2020 21:27:30 +0200 |
parents | c78bcbd5deda |
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rev | line source |
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1 /** |
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2 ****************************************************************************** |
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3 * @file stm32f4xx_ll_rng.c |
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4 * @author MCD Application Team |
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5 * @brief RNG LL module driver. |
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6 ****************************************************************************** |
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7 * @attention |
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8 * |
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9 * <h2><center>© COPYRIGHT(c) 2017 STMicroelectronics</center></h2> |
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10 * |
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11 * Redistribution and use in source and binary forms, with or without modification, |
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12 * are permitted provided that the following conditions are met: |
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13 * 1. Redistributions of source code must retain the above copyright notice, |
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14 * this list of conditions and the following disclaimer. |
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15 * 2. Redistributions in binary form must reproduce the above copyright notice, |
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16 * this list of conditions and the following disclaimer in the documentation |
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17 * and/or other materials provided with the distribution. |
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18 * 3. Neither the name of STMicroelectronics nor the names of its contributors |
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19 * may be used to endorse or promote products derived from this software |
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20 * without specific prior written permission. |
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21 * |
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22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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23 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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25 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
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26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
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28 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
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29 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
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30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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32 * |
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33 ****************************************************************************** |
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34 */ |
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35 #if defined(USE_FULL_LL_DRIVER) |
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36 |
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37 /* Includes ------------------------------------------------------------------*/ |
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38 #include "stm32f4xx_ll_rng.h" |
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39 #include "stm32f4xx_ll_bus.h" |
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40 |
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41 #ifdef USE_FULL_ASSERT |
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42 #include "stm32_assert.h" |
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43 #else |
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44 #define assert_param(expr) ((void)0U) |
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45 #endif |
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46 |
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47 /** @addtogroup STM32F4xx_LL_Driver |
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48 * @{ |
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49 */ |
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50 |
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51 #if defined (RNG) |
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52 |
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53 /** @addtogroup RNG_LL |
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54 * @{ |
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55 */ |
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56 |
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57 /* Private types -------------------------------------------------------------*/ |
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58 /* Private variables ---------------------------------------------------------*/ |
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59 /* Private constants ---------------------------------------------------------*/ |
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60 /* Private macros ------------------------------------------------------------*/ |
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61 /* Private function prototypes -----------------------------------------------*/ |
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62 |
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63 /* Exported functions --------------------------------------------------------*/ |
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64 /** @addtogroup RNG_LL_Exported_Functions |
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65 * @{ |
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66 */ |
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67 |
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68 /** @addtogroup RNG_LL_EF_Init |
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69 * @{ |
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70 */ |
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71 |
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72 /** |
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73 * @brief De-initialize RNG registers (Registers restored to their default values). |
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74 * @param RNGx RNG Instance |
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75 * @retval An ErrorStatus enumeration value: |
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76 * - SUCCESS: RNG registers are de-initialized |
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77 * - ERROR: not applicable |
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78 */ |
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79 ErrorStatus LL_RNG_DeInit(RNG_TypeDef *RNGx) |
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80 { |
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81 /* Check the parameters */ |
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82 assert_param(IS_RNG_ALL_INSTANCE(RNGx)); |
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83 |
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84 #if !defined (RCC_AHB2_SUPPORT) |
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85 /* Enable RNG reset state */ |
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86 LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_RNG); |
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87 |
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88 /* Release RNG from reset state */ |
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89 LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_RNG); |
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90 #else |
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91 /* Enable RNG reset state */ |
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92 LL_AHB2_GRP1_ForceReset(LL_AHB2_GRP1_PERIPH_RNG); |
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93 |
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94 /* Release RNG from reset state */ |
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95 LL_AHB2_GRP1_ReleaseReset(LL_AHB2_GRP1_PERIPH_RNG); |
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96 #endif |
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97 |
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98 return (SUCCESS); |
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99 } |
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100 |
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101 /** |
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102 * @} |
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103 */ |
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104 |
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105 /** |
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106 * @} |
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107 */ |
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108 |
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109 /** |
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110 * @} |
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111 */ |
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112 |
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113 #endif /* defined (RNG) */ |
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114 |
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115 /** |
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116 * @} |
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117 */ |
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118 |
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119 #endif /* USE_FULL_LL_DRIVER */ |
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120 |
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121 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |
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122 |