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annotate Common/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_ll_crc.c @ 669:c1e203ffb478 Betatest

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Rework charge cycle: The charge counter is increasing decreasing also if the real value is maybe not defined (definition is done for example by a completed charging cycle). This caused some problems with invalid displayed charge per centage values. To avoid this the state of an unknow counter value was introduced. The indication is done by converting the counter into a negativ value.
author Ideenmodellierer
date Sat, 12 Mar 2022 22:49:09 +0100
parents c78bcbd5deda
children
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1 /**
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2 ******************************************************************************
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3 * @file stm32f4xx_ll_crc.c
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4 * @author MCD Application Team
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5 * @brief CRC 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>&copy; 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_crc.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 (CRC)
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52
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53 /** @addtogroup CRC_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 CRC_LL_Exported_Functions
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65 * @{
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66 */
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67
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68 /** @addtogroup CRC_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 CRC registers (Registers restored to their default values).
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74 * @param CRCx CRC Instance
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75 * @retval An ErrorStatus enumeration value:
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76 * - SUCCESS: CRC registers are de-initialized
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77 * - ERROR: CRC registers are not de-initialized
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78 */
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79 ErrorStatus LL_CRC_DeInit(CRC_TypeDef *CRCx)
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80 {
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81 ErrorStatus status = SUCCESS;
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82
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83 /* Check the parameters */
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84 assert_param(IS_CRC_ALL_INSTANCE(CRCx));
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85
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86 if (CRCx == CRC)
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87 {
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88 /* Force CRC reset */
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89 LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_CRC);
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90
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91 /* Release CRC reset */
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92 LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_CRC);
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93 }
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94 else
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95 {
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96 status = ERROR;
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97 }
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98
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99 return (status);
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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
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114 #endif /* defined (CRC) */
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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
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120 #endif /* USE_FULL_LL_DRIVER */
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121
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122 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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123