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annotate Common/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_ll_utils.h @ 327:abec171c2c4b I2C_Improvment

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Deactivated internal pullups and I2C interrupt callback Internal GPIO should be configurated to no pull to avoid interferance with external electronic. The interrupt functionality is no longer in used and the callbacks are empty => uncommented enables
author ideenmodellierer
date Wed, 17 Jul 2019 22:41:31 +0200
parents c78bcbd5deda
children
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128
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1 /**
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2 ******************************************************************************
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3 * @file stm32f4xx_ll_utils.h
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4 * @author MCD Application Team
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5 * @brief Header file of UTILS LL module.
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6 @verbatim
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7 ==============================================================================
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8 ##### How to use this driver #####
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9 ==============================================================================
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10 [..]
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11 The LL UTILS driver contains a set of generic APIs that can be
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12 used by user:
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13 (+) Device electronic signature
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14 (+) Timing functions
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15 (+) PLL configuration functions
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16
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17 @endverbatim
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18 ******************************************************************************
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19 * @attention
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20 *
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21 * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
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22 *
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23 * Redistribution and use in source and binary forms, with or without modification,
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24 * are permitted provided that the following conditions are met:
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25 * 1. Redistributions of source code must retain the above copyright notice,
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26 * this list of conditions and the following disclaimer.
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27 * 2. Redistributions in binary form must reproduce the above copyright notice,
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28 * this list of conditions and the following disclaimer in the documentation
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29 * and/or other materials provided with the distribution.
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30 * 3. Neither the name of STMicroelectronics nor the names of its contributors
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31 * may be used to endorse or promote products derived from this software
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32 * without specific prior written permission.
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33 *
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34 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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35 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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36 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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37 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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38 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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39 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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40 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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41 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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42 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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43 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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44 *
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45 ******************************************************************************
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46 */
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47
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48 /* Define to prevent recursive inclusion -------------------------------------*/
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49 #ifndef __STM32F4xx_LL_UTILS_H
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50 #define __STM32F4xx_LL_UTILS_H
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51
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52 #ifdef __cplusplus
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53 extern "C" {
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54 #endif
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55
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56 /* Includes ------------------------------------------------------------------*/
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57 #include "stm32f4xx.h"
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58
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59 /** @addtogroup STM32F4xx_LL_Driver
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60 * @{
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61 */
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62
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63 /** @defgroup UTILS_LL UTILS
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64 * @{
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65 */
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66
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67 /* Private types -------------------------------------------------------------*/
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68 /* Private variables ---------------------------------------------------------*/
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69
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70 /* Private constants ---------------------------------------------------------*/
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71 /** @defgroup UTILS_LL_Private_Constants UTILS Private Constants
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72 * @{
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73 */
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74
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75 /* Max delay can be used in LL_mDelay */
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76 #define LL_MAX_DELAY 0xFFFFFFFFU
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77
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78 /**
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79 * @brief Unique device ID register base address
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80 */
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81 #define UID_BASE_ADDRESS UID_BASE
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82
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83 /**
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84 * @brief Flash size data register base address
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85 */
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86 #define FLASHSIZE_BASE_ADDRESS FLASHSIZE_BASE
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87
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88 /**
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89 * @brief Package data register base address
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90 */
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91 #define PACKAGE_BASE_ADDRESS PACKAGE_BASE
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92
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93 /**
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94 * @}
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95 */
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96
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97 /* Private macros ------------------------------------------------------------*/
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98 /** @defgroup UTILS_LL_Private_Macros UTILS Private Macros
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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 /* Exported types ------------------------------------------------------------*/
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105 /** @defgroup UTILS_LL_ES_INIT UTILS Exported structures
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106 * @{
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107 */
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108 /**
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109 * @brief UTILS PLL structure definition
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110 */
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111 typedef struct
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112 {
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113 uint32_t PLLM; /*!< Division factor for PLL VCO input clock.
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114 This parameter can be a value of @ref RCC_LL_EC_PLLM_DIV
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115
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116 This feature can be modified afterwards using unitary function
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117 @ref LL_RCC_PLL_ConfigDomain_SYS(). */
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118
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119 uint32_t PLLN; /*!< Multiplication factor for PLL VCO output clock.
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120 This parameter must be a number between Min_Data = @ref RCC_PLLN_MIN_VALUE
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121 and Max_Data = @ref RCC_PLLN_MIN_VALUE
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122
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123 This feature can be modified afterwards using unitary function
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124 @ref LL_RCC_PLL_ConfigDomain_SYS(). */
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125
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126 uint32_t PLLP; /*!< Division for the main system clock.
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127 This parameter can be a value of @ref RCC_LL_EC_PLLP_DIV
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128
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129 This feature can be modified afterwards using unitary function
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130 @ref LL_RCC_PLL_ConfigDomain_SYS(). */
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131 } LL_UTILS_PLLInitTypeDef;
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132
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133 /**
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134 * @brief UTILS System, AHB and APB buses clock configuration structure definition
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135 */
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136 typedef struct
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137 {
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138 uint32_t AHBCLKDivider; /*!< The AHB clock (HCLK) divider. This clock is derived from the system clock (SYSCLK).
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139 This parameter can be a value of @ref RCC_LL_EC_SYSCLK_DIV
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140
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141 This feature can be modified afterwards using unitary function
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142 @ref LL_RCC_SetAHBPrescaler(). */
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143
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144 uint32_t APB1CLKDivider; /*!< The APB1 clock (PCLK1) divider. This clock is derived from the AHB clock (HCLK).
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145 This parameter can be a value of @ref RCC_LL_EC_APB1_DIV
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146
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147 This feature can be modified afterwards using unitary function
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148 @ref LL_RCC_SetAPB1Prescaler(). */
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149
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150 uint32_t APB2CLKDivider; /*!< The APB2 clock (PCLK2) divider. This clock is derived from the AHB clock (HCLK).
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151 This parameter can be a value of @ref RCC_LL_EC_APB2_DIV
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152
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153 This feature can be modified afterwards using unitary function
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154 @ref LL_RCC_SetAPB2Prescaler(). */
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155
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156 } LL_UTILS_ClkInitTypeDef;
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157
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158 /**
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159 * @}
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160 */
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161
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162 /* Exported constants --------------------------------------------------------*/
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163 /** @defgroup UTILS_LL_Exported_Constants UTILS Exported Constants
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164 * @{
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165 */
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166
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167 /** @defgroup UTILS_EC_HSE_BYPASS HSE Bypass activation
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168 * @{
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169 */
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170 #define LL_UTILS_HSEBYPASS_OFF 0x00000000U /*!< HSE Bypass is not enabled */
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171 #define LL_UTILS_HSEBYPASS_ON 0x00000001U /*!< HSE Bypass is enabled */
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172 /**
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173 * @}
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174 */
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175
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176 /** @defgroup UTILS_EC_PACKAGETYPE PACKAGE TYPE
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177 * @{
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178 */
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179 #define LL_UTILS_PACKAGETYPE_WLCSP36_UFQFPN48_LQFP64 0x00000000U /*!< WLCSP36 or UFQFPN48 or LQFP64 package type */
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180 #define LL_UTILS_PACKAGETYPE_WLCSP168_FBGA169_LQFP100_LQFP64_UFQFPN48 0x00000100U /*!< WLCSP168 or FBGA169 or LQFP100 or LQFP64 or UFQFPN48 package type */
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181 #define LL_UTILS_PACKAGETYPE_WLCSP64_WLCSP81_LQFP176_UFBGA176 0x00000200U /*!< WLCSP64 or WLCSP81 or LQFP176 or UFBGA176 package type */
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182 #define LL_UTILS_PACKAGETYPE_LQFP144_UFBGA144_UFBGA144_UFBGA100 0x00000300U /*!< LQFP144 or UFBGA144 or UFBGA144 or UFBGA100 package type */
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183 #define LL_UTILS_PACKAGETYPE_LQFP100_LQFP208_TFBGA216 0x00000400U /*!< LQFP100 or LQFP208 or TFBGA216 package type */
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184 #define LL_UTILS_PACKAGETYPE_LQFP208_TFBGA216 0x00000500U /*!< LQFP208 or TFBGA216 package type */
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185 #define LL_UTILS_PACKAGETYPE_TQFP64_UFBGA144_LQFP144 0x00000700U /*!< TQFP64 or UFBGA144 or LQFP144 package type */
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186 /**
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187 * @}
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188 */
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189
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190 /**
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191 * @}
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192 */
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193
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194 /* Exported macro ------------------------------------------------------------*/
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195
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196 /* Exported functions --------------------------------------------------------*/
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197 /** @defgroup UTILS_LL_Exported_Functions UTILS Exported Functions
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198 * @{
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199 */
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200
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201 /** @defgroup UTILS_EF_DEVICE_ELECTRONIC_SIGNATURE DEVICE ELECTRONIC SIGNATURE
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202 * @{
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203 */
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204
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205 /**
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206 * @brief Get Word0 of the unique device identifier (UID based on 96 bits)
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207 * @retval UID[31:0]
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208 */
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209 __STATIC_INLINE uint32_t LL_GetUID_Word0(void)
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210 {
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211 return (uint32_t)(READ_REG(*((uint32_t *)UID_BASE_ADDRESS)));
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212 }
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213
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214 /**
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215 * @brief Get Word1 of the unique device identifier (UID based on 96 bits)
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216 * @retval UID[63:32]
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217 */
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218 __STATIC_INLINE uint32_t LL_GetUID_Word1(void)
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219 {
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220 return (uint32_t)(READ_REG(*((uint32_t *)(UID_BASE_ADDRESS + 4U))));
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221 }
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222
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223 /**
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224 * @brief Get Word2 of the unique device identifier (UID based on 96 bits)
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225 * @retval UID[95:64]
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226 */
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227 __STATIC_INLINE uint32_t LL_GetUID_Word2(void)
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228 {
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229 return (uint32_t)(READ_REG(*((uint32_t *)(UID_BASE_ADDRESS + 8U))));
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230 }
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231
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232 /**
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233 * @brief Get Flash memory size
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234 * @note This bitfield indicates the size of the device Flash memory expressed in
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235 * Kbytes. As an example, 0x040 corresponds to 64 Kbytes.
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236 * @retval FLASH_SIZE[15:0]: Flash memory size
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237 */
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238 __STATIC_INLINE uint32_t LL_GetFlashSize(void)
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239 {
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240 return (uint16_t)(READ_REG(*((uint32_t *)FLASHSIZE_BASE_ADDRESS)));
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241 }
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242
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243 /**
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244 * @brief Get Package type
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245 * @retval Returned value can be one of the following values:
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246 * @arg @ref LL_UTILS_PACKAGETYPE_WLCSP36_UFQFPN48_LQFP64 (*)
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247 * @arg @ref LL_UTILS_PACKAGETYPE_WLCSP168_FBGA169_LQFP100_LQFP64_UFQFPN48 (*)
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248 * @arg @ref LL_UTILS_PACKAGETYPE_WLCSP64_WLCSP81_LQFP176_UFBGA176 (*)
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249 * @arg @ref LL_UTILS_PACKAGETYPE_LQFP144_UFBGA144_UFBGA144_UFBGA100 (*)
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250 * @arg @ref LL_UTILS_PACKAGETYPE_LQFP100_LQFP208_TFBGA216 (*)
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251 * @arg @ref LL_UTILS_PACKAGETYPE_LQFP208_TFBGA216 (*)
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252 * @arg @ref LL_UTILS_PACKAGETYPE_TQFP64_UFBGA144_LQFP144 (*)
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253 *
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254 * (*) value not defined in all devices.
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255 */
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256 __STATIC_INLINE uint32_t LL_GetPackageType(void)
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257 {
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258 return (uint8_t)(READ_REG(*((uint32_t *)PACKAGE_BASE_ADDRESS)) & 0x0700U);
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259 }
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260
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261 /**
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262 * @}
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263 */
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264
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265 /** @defgroup UTILS_LL_EF_DELAY DELAY
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266 * @{
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267 */
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268
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269 /**
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270 * @brief This function configures the Cortex-M SysTick source of the time base.
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271 * @param HCLKFrequency HCLK frequency in Hz (can be calculated thanks to RCC helper macro)
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272 * @note When a RTOS is used, it is recommended to avoid changing the SysTick
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273 * configuration by calling this function, for a delay use rather osDelay RTOS service.
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274 * @param Ticks Number of ticks
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275 * @retval None
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276 */
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277 __STATIC_INLINE void LL_InitTick(uint32_t HCLKFrequency, uint32_t Ticks)
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278 {
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279 /* Configure the SysTick to have interrupt in 1ms time base */
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280 SysTick->LOAD = (uint32_t)((HCLKFrequency / Ticks) - 1UL); /* set reload register */
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281 SysTick->VAL = 0UL; /* Load the SysTick Counter Value */
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282 SysTick->CTRL = SysTick_CTRL_CLKSOURCE_Msk |
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283 SysTick_CTRL_ENABLE_Msk; /* Enable the Systick Timer */
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284 }
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285
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286 void LL_Init1msTick(uint32_t HCLKFrequency);
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287 void LL_mDelay(uint32_t Delay);
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288
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289 /**
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290 * @}
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291 */
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292
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293 /** @defgroup UTILS_EF_SYSTEM SYSTEM
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294 * @{
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295 */
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296
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297 void LL_SetSystemCoreClock(uint32_t HCLKFrequency);
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298 ErrorStatus LL_PLL_ConfigSystemClock_HSI(LL_UTILS_PLLInitTypeDef *UTILS_PLLInitStruct,
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299 LL_UTILS_ClkInitTypeDef *UTILS_ClkInitStruct);
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300 ErrorStatus LL_PLL_ConfigSystemClock_HSE(uint32_t HSEFrequency, uint32_t HSEBypass,
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301 LL_UTILS_PLLInitTypeDef *UTILS_PLLInitStruct, LL_UTILS_ClkInitTypeDef *UTILS_ClkInitStruct);
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302
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303 /**
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304 * @}
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305 */
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306
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307 /**
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308 * @}
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309 */
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310
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311 /**
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312 * @}
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313 */
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314
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315 /**
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316 * @}
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317 */
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318
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319 #ifdef __cplusplus
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320 }
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321 #endif
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322
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323 #endif /* __STM32F4xx_LL_UTILS_H */
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324
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325 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/