Mercurial > public > ostc4
annotate Common/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_ll_iwdg.h @ 356:cb3870f79e9d
Add Support for new end-2019 hardware:
new pressure sensor MS5837 support with autodetect in pressure.c
define the sensors in i2c.h
minor typo fixed in scheduler.c
advance version number and update release date in baseCPU2.c
Beware: Messing up the I2C function may require factory maintance in gen 1 and gen 2 hardware!
author | heinrichsweikamp |
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date | Sat, 23 Nov 2019 15:36:38 +0100 |
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_iwdg.h |
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4 * @author MCD Application Team |
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5 * @brief Header file of IWDG LL module. |
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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 |
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36 /* Define to prevent recursive inclusion -------------------------------------*/ |
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37 #ifndef __STM32F4xx_LL_IWDG_H |
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38 #define __STM32F4xx_LL_IWDG_H |
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39 |
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40 #ifdef __cplusplus |
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41 extern "C" { |
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42 #endif |
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43 |
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44 /* Includes ------------------------------------------------------------------*/ |
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45 #include "stm32f4xx.h" |
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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(IWDG) |
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52 |
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53 /** @defgroup IWDG_LL IWDG |
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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 |
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60 /* Private constants ---------------------------------------------------------*/ |
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61 /** @defgroup IWDG_LL_Private_Constants IWDG Private Constants |
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62 * @{ |
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63 */ |
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64 |
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65 #define LL_IWDG_KEY_RELOAD 0x0000AAAAU /*!< IWDG Reload Counter Enable */ |
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66 #define LL_IWDG_KEY_ENABLE 0x0000CCCCU /*!< IWDG Peripheral Enable */ |
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67 #define LL_IWDG_KEY_WR_ACCESS_ENABLE 0x00005555U /*!< IWDG KR Write Access Enable */ |
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68 #define LL_IWDG_KEY_WR_ACCESS_DISABLE 0x00000000U /*!< IWDG KR Write Access Disable */ |
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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 |
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74 /* Private macros ------------------------------------------------------------*/ |
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75 |
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76 /* Exported types ------------------------------------------------------------*/ |
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77 /* Exported constants --------------------------------------------------------*/ |
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78 /** @defgroup IWDG_LL_Exported_Constants IWDG Exported Constants |
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79 * @{ |
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80 */ |
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81 |
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82 /** @defgroup IWDG_LL_EC_GET_FLAG Get Flags Defines |
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83 * @brief Flags defines which can be used with LL_IWDG_ReadReg function |
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84 * @{ |
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85 */ |
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86 #define LL_IWDG_SR_PVU IWDG_SR_PVU /*!< Watchdog prescaler value update */ |
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87 #define LL_IWDG_SR_RVU IWDG_SR_RVU /*!< Watchdog counter reload value update */ |
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88 |
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89 /** |
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90 * @} |
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91 */ |
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92 |
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93 /** @defgroup IWDG_LL_EC_PRESCALER Prescaler Divider |
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94 * @{ |
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95 */ |
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96 #define LL_IWDG_PRESCALER_4 0x00000000U /*!< Divider by 4 */ |
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97 #define LL_IWDG_PRESCALER_8 (IWDG_PR_PR_0) /*!< Divider by 8 */ |
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98 #define LL_IWDG_PRESCALER_16 (IWDG_PR_PR_1) /*!< Divider by 16 */ |
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99 #define LL_IWDG_PRESCALER_32 (IWDG_PR_PR_1 | IWDG_PR_PR_0) /*!< Divider by 32 */ |
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100 #define LL_IWDG_PRESCALER_64 (IWDG_PR_PR_2) /*!< Divider by 64 */ |
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101 #define LL_IWDG_PRESCALER_128 (IWDG_PR_PR_2 | IWDG_PR_PR_0) /*!< Divider by 128 */ |
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102 #define LL_IWDG_PRESCALER_256 (IWDG_PR_PR_2 | IWDG_PR_PR_1) /*!< Divider by 256 */ |
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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 /* Exported macro ------------------------------------------------------------*/ |
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112 /** @defgroup IWDG_LL_Exported_Macros IWDG Exported Macros |
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113 * @{ |
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114 */ |
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115 |
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116 /** @defgroup IWDG_LL_EM_WRITE_READ Common Write and read registers Macros |
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117 * @{ |
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118 */ |
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119 |
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120 /** |
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121 * @brief Write a value in IWDG register |
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122 * @param __INSTANCE__ IWDG Instance |
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123 * @param __REG__ Register to be written |
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124 * @param __VALUE__ Value to be written in the register |
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125 * @retval None |
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126 */ |
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127 #define LL_IWDG_WriteReg(__INSTANCE__, __REG__, __VALUE__) WRITE_REG(__INSTANCE__->__REG__, (__VALUE__)) |
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128 |
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129 /** |
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130 * @brief Read a value in IWDG register |
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131 * @param __INSTANCE__ IWDG Instance |
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132 * @param __REG__ Register to be read |
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133 * @retval Register value |
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134 */ |
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135 #define LL_IWDG_ReadReg(__INSTANCE__, __REG__) READ_REG(__INSTANCE__->__REG__) |
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136 /** |
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137 * @} |
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138 */ |
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139 |
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140 /** |
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141 * @} |
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142 */ |
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143 |
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144 |
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145 /* Exported functions --------------------------------------------------------*/ |
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146 /** @defgroup IWDG_LL_Exported_Functions IWDG Exported Functions |
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147 * @{ |
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148 */ |
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149 /** @defgroup IWDG_LL_EF_Configuration Configuration |
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150 * @{ |
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151 */ |
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152 |
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153 /** |
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154 * @brief Start the Independent Watchdog |
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155 * @note Except if the hardware watchdog option is selected |
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156 * @rmtoll KR KEY LL_IWDG_Enable |
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157 * @param IWDGx IWDG Instance |
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158 * @retval None |
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159 */ |
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160 __STATIC_INLINE void LL_IWDG_Enable(IWDG_TypeDef *IWDGx) |
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161 { |
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162 WRITE_REG(IWDG->KR, LL_IWDG_KEY_ENABLE); |
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163 } |
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164 |
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165 /** |
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166 * @brief Reloads IWDG counter with value defined in the reload register |
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167 * @rmtoll KR KEY LL_IWDG_ReloadCounter |
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168 * @param IWDGx IWDG Instance |
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169 * @retval None |
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170 */ |
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171 __STATIC_INLINE void LL_IWDG_ReloadCounter(IWDG_TypeDef *IWDGx) |
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172 { |
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173 WRITE_REG(IWDG->KR, LL_IWDG_KEY_RELOAD); |
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174 } |
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175 |
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176 /** |
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177 * @brief Enable write access to IWDG_PR, IWDG_RLR and IWDG_WINR registers |
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178 * @rmtoll KR KEY LL_IWDG_EnableWriteAccess |
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179 * @param IWDGx IWDG Instance |
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180 * @retval None |
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181 */ |
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182 __STATIC_INLINE void LL_IWDG_EnableWriteAccess(IWDG_TypeDef *IWDGx) |
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183 { |
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184 WRITE_REG(IWDG->KR, LL_IWDG_KEY_WR_ACCESS_ENABLE); |
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185 } |
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186 |
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187 /** |
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188 * @brief Disable write access to IWDG_PR, IWDG_RLR and IWDG_WINR registers |
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189 * @rmtoll KR KEY LL_IWDG_DisableWriteAccess |
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190 * @param IWDGx IWDG Instance |
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191 * @retval None |
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192 */ |
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193 __STATIC_INLINE void LL_IWDG_DisableWriteAccess(IWDG_TypeDef *IWDGx) |
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194 { |
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195 WRITE_REG(IWDG->KR, LL_IWDG_KEY_WR_ACCESS_DISABLE); |
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196 } |
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197 |
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198 /** |
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199 * @brief Select the prescaler of the IWDG |
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200 * @rmtoll PR PR LL_IWDG_SetPrescaler |
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201 * @param IWDGx IWDG Instance |
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202 * @param Prescaler This parameter can be one of the following values: |
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203 * @arg @ref LL_IWDG_PRESCALER_4 |
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204 * @arg @ref LL_IWDG_PRESCALER_8 |
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205 * @arg @ref LL_IWDG_PRESCALER_16 |
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206 * @arg @ref LL_IWDG_PRESCALER_32 |
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207 * @arg @ref LL_IWDG_PRESCALER_64 |
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208 * @arg @ref LL_IWDG_PRESCALER_128 |
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209 * @arg @ref LL_IWDG_PRESCALER_256 |
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210 * @retval None |
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211 */ |
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212 __STATIC_INLINE void LL_IWDG_SetPrescaler(IWDG_TypeDef *IWDGx, uint32_t Prescaler) |
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213 { |
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214 WRITE_REG(IWDGx->PR, IWDG_PR_PR & Prescaler); |
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215 } |
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216 |
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217 /** |
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218 * @brief Get the selected prescaler of the IWDG |
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219 * @rmtoll PR PR LL_IWDG_GetPrescaler |
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220 * @param IWDGx IWDG Instance |
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221 * @retval Returned value can be one of the following values: |
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222 * @arg @ref LL_IWDG_PRESCALER_4 |
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223 * @arg @ref LL_IWDG_PRESCALER_8 |
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224 * @arg @ref LL_IWDG_PRESCALER_16 |
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225 * @arg @ref LL_IWDG_PRESCALER_32 |
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226 * @arg @ref LL_IWDG_PRESCALER_64 |
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227 * @arg @ref LL_IWDG_PRESCALER_128 |
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228 * @arg @ref LL_IWDG_PRESCALER_256 |
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229 */ |
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230 __STATIC_INLINE uint32_t LL_IWDG_GetPrescaler(IWDG_TypeDef *IWDGx) |
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231 { |
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232 return (uint32_t)(READ_REG(IWDGx->PR)); |
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233 } |
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234 |
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235 /** |
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236 * @brief Specify the IWDG down-counter reload value |
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237 * @rmtoll RLR RL LL_IWDG_SetReloadCounter |
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238 * @param IWDGx IWDG Instance |
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239 * @param Counter Value between Min_Data=0 and Max_Data=0x0FFF |
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240 * @retval None |
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241 */ |
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242 __STATIC_INLINE void LL_IWDG_SetReloadCounter(IWDG_TypeDef *IWDGx, uint32_t Counter) |
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243 { |
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244 WRITE_REG(IWDGx->RLR, IWDG_RLR_RL & Counter); |
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245 } |
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246 |
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247 /** |
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248 * @brief Get the specified IWDG down-counter reload value |
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249 * @rmtoll RLR RL LL_IWDG_GetReloadCounter |
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250 * @param IWDGx IWDG Instance |
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251 * @retval Value between Min_Data=0 and Max_Data=0x0FFF |
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252 */ |
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253 __STATIC_INLINE uint32_t LL_IWDG_GetReloadCounter(IWDG_TypeDef *IWDGx) |
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254 { |
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255 return (uint32_t)(READ_REG(IWDGx->RLR)); |
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256 } |
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257 |
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258 |
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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 /** @defgroup IWDG_LL_EF_FLAG_Management FLAG_Management |
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264 * @{ |
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265 */ |
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266 |
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267 /** |
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268 * @brief Check if flag Prescaler Value Update is set or not |
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269 * @rmtoll SR PVU LL_IWDG_IsActiveFlag_PVU |
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270 * @param IWDGx IWDG Instance |
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271 * @retval State of bit (1 or 0). |
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272 */ |
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273 __STATIC_INLINE uint32_t LL_IWDG_IsActiveFlag_PVU(IWDG_TypeDef *IWDGx) |
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274 { |
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275 return (READ_BIT(IWDGx->SR, IWDG_SR_PVU) == (IWDG_SR_PVU)); |
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276 } |
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277 |
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278 /** |
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279 * @brief Check if flag Reload Value Update is set or not |
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280 * @rmtoll SR RVU LL_IWDG_IsActiveFlag_RVU |
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281 * @param IWDGx IWDG Instance |
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282 * @retval State of bit (1 or 0). |
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283 */ |
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284 __STATIC_INLINE uint32_t LL_IWDG_IsActiveFlag_RVU(IWDG_TypeDef *IWDGx) |
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285 { |
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286 return (READ_BIT(IWDGx->SR, IWDG_SR_RVU) == (IWDG_SR_RVU)); |
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287 } |
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288 |
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289 |
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290 /** |
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291 * @brief Check if all flags Prescaler, Reload & Window Value Update are reset or not |
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292 * @rmtoll SR PVU LL_IWDG_IsReady\n |
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293 * SR RVU LL_IWDG_IsReady |
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294 * @param IWDGx IWDG Instance |
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295 * @retval State of bits (1 or 0). |
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296 */ |
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297 __STATIC_INLINE uint32_t LL_IWDG_IsReady(IWDG_TypeDef *IWDGx) |
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298 { |
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299 return (READ_BIT(IWDGx->SR, IWDG_SR_PVU | IWDG_SR_RVU) == 0U); |
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300 } |
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301 |
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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 #endif /* IWDG) */ |
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316 |
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317 /** |
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318 * @} |
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319 */ |
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320 |
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321 #ifdef __cplusplus |
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322 } |
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323 #endif |
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324 |
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325 #endif /* __STM32F4xx_LL_IWDG_H */ |
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326 |
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327 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |