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1 /**
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2 ******************************************************************************
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3 * @file stm32l4xx_hal_pwr.h
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4 * @author MCD Application Team
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5 * @version V1.6.0
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6 * @date 28-October-2016
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7 * @brief Header file of PWR HAL module.
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8 ******************************************************************************
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9 * @attention
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10 *
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11 * <h2><center>© COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
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12 *
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13 * Redistribution and use in source and binary forms, with or without modification,
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14 * are permitted provided that the following conditions are met:
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15 * 1. Redistributions of source code must retain the above copyright notice,
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16 * this list of conditions and the following disclaimer.
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17 * 2. Redistributions in binary form must reproduce the above copyright notice,
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18 * this list of conditions and the following disclaimer in the documentation
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19 * and/or other materials provided with the distribution.
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20 * 3. Neither the name of STMicroelectronics nor the names of its contributors
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21 * may be used to endorse or promote products derived from this software
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22 * without specific prior written permission.
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23 *
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24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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27 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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31 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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32 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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34 *
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35 ******************************************************************************
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36 */
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37
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38 /* Define to prevent recursive inclusion -------------------------------------*/
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39 #ifndef __STM32L4xx_HAL_PWR_H
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40 #define __STM32L4xx_HAL_PWR_H
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41
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42 #ifdef __cplusplus
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43 extern "C" {
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44 #endif
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45
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46 /* Includes ------------------------------------------------------------------*/
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47 #include "stm32l4xx_hal_def.h"
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48
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49 /** @addtogroup STM32L4xx_HAL_Driver
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50 * @{
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51 */
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52
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53 /** @addtogroup PWR
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54 * @{
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55 */
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56
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57 /* Exported types ------------------------------------------------------------*/
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58
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59 /** @defgroup PWR_Exported_Types PWR Exported Types
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60 * @{
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61 */
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62
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63 /**
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64 * @brief PWR PVD configuration structure definition
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65 */
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66 typedef struct
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67 {
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68 uint32_t PVDLevel; /*!< PVDLevel: Specifies the PVD detection level.
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69 This parameter can be a value of @ref PWR_PVD_detection_level. */
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70
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71 uint32_t Mode; /*!< Mode: Specifies the operating mode for the selected pins.
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72 This parameter can be a value of @ref PWR_PVD_Mode. */
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73 }PWR_PVDTypeDef;
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74
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75
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76 /**
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77 * @}
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78 */
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79
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80 /* Exported constants --------------------------------------------------------*/
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81
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82 /** @defgroup PWR_Exported_Constants PWR Exported Constants
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83 * @{
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84 */
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85
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86
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87 /** @defgroup PWR_PVD_detection_level Programmable Voltage Detection levels
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88 * @{
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89 */
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90 #define PWR_PVDLEVEL_0 PWR_CR2_PLS_LEV0 /*!< PVD threshold around 2.0 V */
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91 #define PWR_PVDLEVEL_1 PWR_CR2_PLS_LEV1 /*!< PVD threshold around 2.2 V */
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92 #define PWR_PVDLEVEL_2 PWR_CR2_PLS_LEV2 /*!< PVD threshold around 2.4 V */
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93 #define PWR_PVDLEVEL_3 PWR_CR2_PLS_LEV3 /*!< PVD threshold around 2.5 V */
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94 #define PWR_PVDLEVEL_4 PWR_CR2_PLS_LEV4 /*!< PVD threshold around 2.6 V */
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95 #define PWR_PVDLEVEL_5 PWR_CR2_PLS_LEV5 /*!< PVD threshold around 2.8 V */
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96 #define PWR_PVDLEVEL_6 PWR_CR2_PLS_LEV6 /*!< PVD threshold around 2.9 V */
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97 #define PWR_PVDLEVEL_7 PWR_CR2_PLS_LEV7 /*!< External input analog voltage (compared internally to VREFINT) */
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98 /**
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99 * @}
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100 */
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101
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102 /** @defgroup PWR_PVD_Mode PWR PVD interrupt and event mode
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103 * @{
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104 */
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105 #define PWR_PVD_MODE_NORMAL ((uint32_t)0x00000000) /*!< Basic mode is used */
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106 #define PWR_PVD_MODE_IT_RISING ((uint32_t)0x00010001) /*!< External Interrupt Mode with Rising edge trigger detection */
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107 #define PWR_PVD_MODE_IT_FALLING ((uint32_t)0x00010002) /*!< External Interrupt Mode with Falling edge trigger detection */
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108 #define PWR_PVD_MODE_IT_RISING_FALLING ((uint32_t)0x00010003) /*!< External Interrupt Mode with Rising/Falling edge trigger detection */
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109 #define PWR_PVD_MODE_EVENT_RISING ((uint32_t)0x00020001) /*!< Event Mode with Rising edge trigger detection */
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110 #define PWR_PVD_MODE_EVENT_FALLING ((uint32_t)0x00020002) /*!< Event Mode with Falling edge trigger detection */
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111 #define PWR_PVD_MODE_EVENT_RISING_FALLING ((uint32_t)0x00020003) /*!< Event Mode with Rising/Falling edge trigger detection */
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112 /**
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113 * @}
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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 /** @defgroup PWR_Regulator_state_in_SLEEP_STOP_mode PWR regulator mode
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120 * @{
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121 */
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122 #define PWR_MAINREGULATOR_ON ((uint32_t)0x00000000) /*!< Regulator in main mode */
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123 #define PWR_LOWPOWERREGULATOR_ON PWR_CR1_LPR /*!< Regulator in low-power mode */
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124 /**
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125 * @}
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126 */
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127
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128 /** @defgroup PWR_SLEEP_mode_entry PWR SLEEP mode entry
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129 * @{
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130 */
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131 #define PWR_SLEEPENTRY_WFI ((uint8_t)0x01) /*!< Wait For Interruption instruction to enter Sleep mode */
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132 #define PWR_SLEEPENTRY_WFE ((uint8_t)0x02) /*!< Wait For Event instruction to enter Sleep mode */
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133 /**
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134 * @}
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135 */
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136
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137 /** @defgroup PWR_STOP_mode_entry PWR STOP mode entry
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138 * @{
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139 */
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140 #define PWR_STOPENTRY_WFI ((uint8_t)0x01) /*!< Wait For Interruption instruction to enter Stop mode */
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141 #define PWR_STOPENTRY_WFE ((uint8_t)0x02) /*!< Wait For Event instruction to enter Stop mode */
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142 /**
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143 * @}
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144 */
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145
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146
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147 /** @defgroup PWR_PVD_EXTI_LINE PWR PVD external interrupt line
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148 * @{
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149 */
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150 #define PWR_EXTI_LINE_PVD ((uint32_t)0x00010000) /*!< External interrupt line 16 Connected to the PVD EXTI Line */
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151 /**
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152 * @}
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153 */
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154
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155 /** @defgroup PWR_PVD_EVENT_LINE PWR PVD event line
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156 * @{
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157 */
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158 #define PWR_EVENT_LINE_PVD ((uint32_t)0x00010000) /*!< Event line 16 Connected to the PVD Event Line */
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159 /**
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160 * @}
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161 */
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162
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163 /**
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164 * @}
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165 */
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166
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167 /* Exported macros -----------------------------------------------------------*/
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168 /** @defgroup PWR_Exported_Macros PWR Exported Macros
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169 * @{
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170 */
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171
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172 /** @brief Check whether or not a specific PWR flag is set.
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173 * @param __FLAG__: specifies the flag to check.
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174 * This parameter can be one of the following values:
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175 * @arg @ref PWR_FLAG_WUF1 Wake Up Flag 1. Indicates that a wakeup event
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176 * was received from the WKUP pin 1.
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177 * @arg @ref PWR_FLAG_WUF2 Wake Up Flag 2. Indicates that a wakeup event
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178 * was received from the WKUP pin 2.
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179 * @arg @ref PWR_FLAG_WUF3 Wake Up Flag 3. Indicates that a wakeup event
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180 * was received from the WKUP pin 3.
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181 * @arg @ref PWR_FLAG_WUF4 Wake Up Flag 4. Indicates that a wakeup event
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182 * was received from the WKUP pin 4.
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183 * @arg @ref PWR_FLAG_WUF5 Wake Up Flag 5. Indicates that a wakeup event
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184 * was received from the WKUP pin 5.
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185 * @arg @ref PWR_FLAG_SB StandBy Flag. Indicates that the system
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186 * entered StandBy mode.
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187 * @arg @ref PWR_FLAG_WUFI Wake-Up Flag Internal. Set when a wakeup is detected on
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188 * the internal wakeup line.
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189 * @arg @ref PWR_FLAG_REGLPS Low Power Regulator Started. Indicates whether or not the
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190 * low-power regulator is ready.
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191 * @arg @ref PWR_FLAG_REGLPF Low Power Regulator Flag. Indicates whether the
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192 * regulator is ready in main mode or is in low-power mode.
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193 * @arg @ref PWR_FLAG_VOSF Voltage Scaling Flag. Indicates whether the regulator is ready
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194 * in the selected voltage range or is still changing to the required voltage level.
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195 * @arg @ref PWR_FLAG_PVDO Power Voltage Detector Output. Indicates whether VDD voltage is
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196 * below or above the selected PVD threshold.
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197 * @arg @ref PWR_FLAG_PVMO1 Peripheral Voltage Monitoring Output 1. Indicates whether VDDUSB voltage is
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198 * is below or above PVM1 threshold (applicable when USB feature is supported).
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199 @if STM32L486xx
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200 * @arg @ref PWR_FLAG_PVMO2 Peripheral Voltage Monitoring Output 2. Indicates whether VDDIO2 voltage is
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201 * is below or above PVM2 threshold (applicable when VDDIO2 is present on device).
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202 @endif
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203 * @arg @ref PWR_FLAG_PVMO3 Peripheral Voltage Monitoring Output 3. Indicates whether VDDA voltage is
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204 * is below or above PVM3 threshold.
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205 * @arg @ref PWR_FLAG_PVMO4 Peripheral Voltage Monitoring Output 4. Indicates whether VDDA voltage is
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206 * is below or above PVM4 threshold.
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207 *
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208 * @retval The new state of __FLAG__ (TRUE or FALSE).
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209 */
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210 #define __HAL_PWR_GET_FLAG(__FLAG__) ( ((((uint8_t)(__FLAG__)) >> 5U) == 1) ?\
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211 (PWR->SR1 & (1U << ((__FLAG__) & 31U))) :\
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212 (PWR->SR2 & (1U << ((__FLAG__) & 31U))) )
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213
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214 /** @brief Clear a specific PWR flag.
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215 * @param __FLAG__: specifies the flag to clear.
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216 * This parameter can be one of the following values:
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217 * @arg @ref PWR_FLAG_WUF1 Wake Up Flag 1. Indicates that a wakeup event
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218 * was received from the WKUP pin 1.
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219 * @arg @ref PWR_FLAG_WUF2 Wake Up Flag 2. Indicates that a wakeup event
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220 * was received from the WKUP pin 2.
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221 * @arg @ref PWR_FLAG_WUF3 Wake Up Flag 3. Indicates that a wakeup event
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222 * was received from the WKUP pin 3.
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223 * @arg @ref PWR_FLAG_WUF4 Wake Up Flag 4. Indicates that a wakeup event
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224 * was received from the WKUP pin 4.
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225 * @arg @ref PWR_FLAG_WUF5 Wake Up Flag 5. Indicates that a wakeup event
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226 * was received from the WKUP pin 5.
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227 * @arg @ref PWR_FLAG_WU Encompasses all five Wake Up Flags.
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228 * @arg @ref PWR_FLAG_SB Standby Flag. Indicates that the system
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229 * entered Standby mode.
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230 * @retval None
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231 */
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232 #define __HAL_PWR_CLEAR_FLAG(__FLAG__) ( (((uint8_t)(__FLAG__)) == PWR_FLAG_WU) ?\
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233 (PWR->SCR = (__FLAG__)) :\
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234 (PWR->SCR = (1U << ((__FLAG__) & 31U))) )
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235 /**
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236 * @brief Enable the PVD Extended Interrupt Line.
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237 * @retval None
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238 */
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239 #define __HAL_PWR_PVD_EXTI_ENABLE_IT() SET_BIT(EXTI->IMR1, PWR_EXTI_LINE_PVD)
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240
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241 /**
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242 * @brief Disable the PVD Extended Interrupt Line.
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243 * @retval None
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244 */
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245 #define __HAL_PWR_PVD_EXTI_DISABLE_IT() CLEAR_BIT(EXTI->IMR1, PWR_EXTI_LINE_PVD)
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246
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247 /**
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248 * @brief Enable the PVD Event Line.
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249 * @retval None
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250 */
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251 #define __HAL_PWR_PVD_EXTI_ENABLE_EVENT() SET_BIT(EXTI->EMR1, PWR_EVENT_LINE_PVD)
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252
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253 /**
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254 * @brief Disable the PVD Event Line.
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255 * @retval None
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256 */
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257 #define __HAL_PWR_PVD_EXTI_DISABLE_EVENT() CLEAR_BIT(EXTI->EMR1, PWR_EVENT_LINE_PVD)
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258
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259 /**
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260 * @brief Enable the PVD Extended Interrupt Rising Trigger.
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261 * @retval None
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262 */
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263 #define __HAL_PWR_PVD_EXTI_ENABLE_RISING_EDGE() SET_BIT(EXTI->RTSR1, PWR_EXTI_LINE_PVD)
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264
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265 /**
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266 * @brief Disable the PVD Extended Interrupt Rising Trigger.
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267 * @retval None
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268 */
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269 #define __HAL_PWR_PVD_EXTI_DISABLE_RISING_EDGE() CLEAR_BIT(EXTI->RTSR1, PWR_EXTI_LINE_PVD)
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270
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271 /**
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272 * @brief Enable the PVD Extended Interrupt Falling Trigger.
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273 * @retval None
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274 */
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275 #define __HAL_PWR_PVD_EXTI_ENABLE_FALLING_EDGE() SET_BIT(EXTI->FTSR1, PWR_EXTI_LINE_PVD)
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276
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277
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278 /**
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279 * @brief Disable the PVD Extended Interrupt Falling Trigger.
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280 * @retval None
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281 */
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282 #define __HAL_PWR_PVD_EXTI_DISABLE_FALLING_EDGE() CLEAR_BIT(EXTI->FTSR1, PWR_EXTI_LINE_PVD)
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283
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284
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285 /**
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286 * @brief Enable the PVD Extended Interrupt Rising & Falling Trigger.
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287 * @retval None
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288 */
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289 #define __HAL_PWR_PVD_EXTI_ENABLE_RISING_FALLING_EDGE() \
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290 do { \
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291 __HAL_PWR_PVD_EXTI_ENABLE_RISING_EDGE(); \
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292 __HAL_PWR_PVD_EXTI_ENABLE_FALLING_EDGE(); \
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293 } while(0)
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294
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295 /**
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296 * @brief Disable the PVD Extended Interrupt Rising & Falling Trigger.
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297 * @retval None
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298 */
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299 #define __HAL_PWR_PVD_EXTI_DISABLE_RISING_FALLING_EDGE() \
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300 do { \
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301 __HAL_PWR_PVD_EXTI_DISABLE_RISING_EDGE(); \
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302 __HAL_PWR_PVD_EXTI_DISABLE_FALLING_EDGE(); \
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303 } while(0)
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304
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305 /**
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306 * @brief Generate a Software interrupt on selected EXTI line.
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307 * @retval None
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308 */
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309 #define __HAL_PWR_PVD_EXTI_GENERATE_SWIT() SET_BIT(EXTI->SWIER1, PWR_EXTI_LINE_PVD)
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310
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311 /**
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312 * @brief Check whether or not the PVD EXTI interrupt flag is set.
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313 * @retval EXTI PVD Line Status.
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314 */
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315 #define __HAL_PWR_PVD_EXTI_GET_FLAG() (EXTI->PR1 & PWR_EXTI_LINE_PVD)
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316
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317 /**
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318 * @brief Clear the PVD EXTI interrupt flag.
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319 * @retval None
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320 */
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321 #define __HAL_PWR_PVD_EXTI_CLEAR_FLAG() WRITE_REG(EXTI->PR1, PWR_EXTI_LINE_PVD)
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322
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323 /**
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324 * @}
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325 */
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326
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327
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328 /* Private macros --------------------------------------------------------*/
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329 /** @addtogroup PWR_Private_Macros PWR Private Macros
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330 * @{
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331 */
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332
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333 #define IS_PWR_PVD_LEVEL(LEVEL) (((LEVEL) == PWR_PVDLEVEL_0) || ((LEVEL) == PWR_PVDLEVEL_1)|| \
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334 ((LEVEL) == PWR_PVDLEVEL_2) || ((LEVEL) == PWR_PVDLEVEL_3)|| \
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335 ((LEVEL) == PWR_PVDLEVEL_4) || ((LEVEL) == PWR_PVDLEVEL_5)|| \
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336 ((LEVEL) == PWR_PVDLEVEL_6) || ((LEVEL) == PWR_PVDLEVEL_7))
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337
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338 #define IS_PWR_PVD_MODE(MODE) (((MODE) == PWR_PVD_MODE_NORMAL) ||\
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339 ((MODE) == PWR_PVD_MODE_IT_RISING) ||\
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340 ((MODE) == PWR_PVD_MODE_IT_FALLING) ||\
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341 ((MODE) == PWR_PVD_MODE_IT_RISING_FALLING) ||\
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342 ((MODE) == PWR_PVD_MODE_EVENT_RISING) ||\
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343 ((MODE) == PWR_PVD_MODE_EVENT_FALLING) ||\
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344 ((MODE) == PWR_PVD_MODE_EVENT_RISING_FALLING))
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345
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346 #define IS_PWR_REGULATOR(REGULATOR) (((REGULATOR) == PWR_MAINREGULATOR_ON) || \
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347 ((REGULATOR) == PWR_LOWPOWERREGULATOR_ON))
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348
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349 #define IS_PWR_SLEEP_ENTRY(ENTRY) (((ENTRY) == PWR_SLEEPENTRY_WFI) || ((ENTRY) == PWR_SLEEPENTRY_WFE))
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350
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351 #define IS_PWR_STOP_ENTRY(ENTRY) (((ENTRY) == PWR_STOPENTRY_WFI) || ((ENTRY) == PWR_STOPENTRY_WFE) )
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352
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353 /**
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354 * @}
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355 */
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356
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357 /* Include PWR HAL Extended module */
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358 #include "stm32l4xx_hal_pwr_ex.h"
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359
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360 /* Exported functions --------------------------------------------------------*/
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361
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362 /** @addtogroup PWR_Exported_Functions PWR Exported Functions
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363 * @{
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364 */
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365
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366 /** @addtogroup PWR_Exported_Functions_Group1 Initialization and de-initialization functions
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367 * @{
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368 */
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369
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370 /* Initialization and de-initialization functions *******************************/
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371 void HAL_PWR_DeInit(void);
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372 void HAL_PWR_EnableBkUpAccess(void);
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373 void HAL_PWR_DisableBkUpAccess(void);
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374
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375 /**
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376 * @}
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377 */
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378
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379 /** @addtogroup PWR_Exported_Functions_Group2 Peripheral Control functions
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380 * @{
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381 */
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382
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383 /* Peripheral Control functions ************************************************/
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384 HAL_StatusTypeDef HAL_PWR_ConfigPVD(PWR_PVDTypeDef *sConfigPVD);
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385 void HAL_PWR_EnablePVD(void);
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386 void HAL_PWR_DisablePVD(void);
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387
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388
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389 /* WakeUp pins configuration functions ****************************************/
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390 void HAL_PWR_EnableWakeUpPin(uint32_t WakeUpPinPolarity);
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391 void HAL_PWR_DisableWakeUpPin(uint32_t WakeUpPinx);
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392
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393 /* Low Power modes configuration functions ************************************/
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394 void HAL_PWR_EnterSLEEPMode(uint32_t Regulator, uint8_t SLEEPEntry);
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395 void HAL_PWR_EnterSTOPMode(uint32_t Regulator, uint8_t STOPEntry);
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396 void HAL_PWR_EnterSTANDBYMode(void);
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397
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398 void HAL_PWR_EnableSleepOnExit(void);
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399 void HAL_PWR_DisableSleepOnExit(void);
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400 void HAL_PWR_EnableSEVOnPend(void);
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401 void HAL_PWR_DisableSEVOnPend(void);
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402
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403 void HAL_PWR_PVDCallback(void);
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404
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405
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406 /**
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407 * @}
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408 */
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409
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410 /**
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411 * @}
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412 */
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413
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414 /**
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415 * @}
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416 */
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417
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418 /**
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419 * @}
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420 */
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421
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422 #ifdef __cplusplus
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423 }
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424 #endif
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425
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426
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427 #endif /* __STM32L4xx_HAL_PWR_H */
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428
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429 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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