1 /** 2 ****************************************************************************** 3 * @file stm32wb0x_ll_system.c 4 * @author MCD Application Team 5 * @brief HAL module driver. 6 * This is the common part of the HAL initialization 7 ****************************************************************************** 8 * @attention 9 * 10 * Copyright (c) 2024 STMicroelectronics. 11 * All rights reserved. 12 * 13 * This software is licensed under terms that can be found in the LICENSE file 14 * in the root directory of this software component. 15 * If no LICENSE file comes with this software, it is provided AS-IS. 16 * 17 ****************************************************************************** 18 @verbatim 19 ============================================================================== 20 ##### How to use this driver ##### 21 ============================================================================== 22 [..] 23 The common HAL driver contains a set of generic and common APIs that can be 24 used by the PPP peripheral drivers and the user to start using the HAL. 25 [..] 26 The HAL contains two APIs' categories: 27 (+) Common HAL APIs 28 (+) Services HAL APIs 29 30 @endverbatim 31 ****************************************************************************** 32 */ 33 34 #if defined(USE_FULL_LL_DRIVER) 35 36 /* Includes ------------------------------------------------------------------*/ 37 #include "stm32wb0x_ll_system.h" 38 #ifdef USE_FULL_ASSERT 39 #include "stm32_assert.h" 40 #else 41 #define assert_param(expr) ((void)0U) 42 #endif 43 44 /** @addtogroup STM32WB0x_LL_Driver 45 * @{ 46 */ 47 48 #if defined (SYSCFG) 49 /** @addtogroup SYSTEM_LL 50 * @{ 51 */ 52 53 54 /* Private types -------------------------------------------------------------*/ 55 /* Private variables ---------------------------------------------------------*/ 56 /* Private constants ---------------------------------------------------------*/ 57 /* Private macros ------------------------------------------------------------*/ 58 /** @addtogroup EXTI_Private_Macros 59 * @{ 60 */ 61 62 #define IS_LL_EXTI_LINE(__VALUE__) (((__VALUE__) & ~LL_EXTI_LINE_ALL) == 0x00000000U) 63 64 #define IS_LL_EXTI_TYPE(__VALUE__) (((__VALUE__) == LL_EXTI_TYPE_EDGE) \ 65 || ((__VALUE__) == LL_EXTI_TYPE_LEVEL)) 66 67 68 #define IS_LL_EXTI_TRIGGER(__VALUE__) (((__VALUE__) == LL_EXTI_TRIGGER_RISING_EDGE) \ 69 || ((__VALUE__) == LL_EXTI_TRIGGER_FALLING_EDGE) \ 70 || ((__VALUE__) == LL_EXTI_TRIGGER_BOTH_EDGE) \ 71 || ((__VALUE__) == LL_EXTI_TRIGGER_LOW_LEVEL) \ 72 || ((__VALUE__) == LL_EXTI_TRIGGER_HIGH_LEVEL)) 73 74 /** 75 * @} 76 */ 77 78 /* Private function prototypes -----------------------------------------------*/ 79 80 /* Exported functions --------------------------------------------------------*/ 81 82 /** @addtogroup SYSCFG_IO_LL_EF_Init 83 * @{ 84 */ 85 86 /** 87 * @brief De-initialize the SYSCFG_IO registers to their default reset values. 88 * @retval An ErrorStatus enumeration value: 89 * - SUCCESS: SYSCFG_IO registers are de-initialized 90 * - ERROR: not applicable 91 */ LL_SYSCFG_IO_DeInit(void)92ErrorStatus LL_SYSCFG_IO_DeInit(void) 93 { 94 /* I/O Interrupt detection type register set to default reset values */ 95 LL_SYSCFG_WriteReg(IO_DTR, 0x00000000U); 96 97 /* I/O Interrupt Edge register set to default reset values */ 98 LL_SYSCFG_WriteReg(IO_IBER, 0x00000000U); 99 100 /* I/O Interrupt polarity event register set to default reset values */ 101 LL_SYSCFG_WriteReg(IO_IEVR, 0x00000000U); 102 103 /* I/O Interrupt Enable register set to default reset values */ 104 LL_SYSCFG_WriteReg(IO_IER, 0x00000000U); 105 106 /* Clear all the I/O Interrupt */ 107 LL_SYSCFG_WriteReg(IO_ISCR, LL_EXTI_LINE_ALL); 108 109 return SUCCESS; 110 } 111 112 /** 113 * @brief Initialize the SYSCFG_IO registers according to the specified parameters in SYSCFG_IO_InitStruct. 114 * @param SYSCFG_IO_InitStruct pointer to a @ref LL_SYSCFG_IO_InitTypeDef structure. 115 * @retval An ErrorStatus enumeration value: 116 * - SUCCESS: SYSCFG_IO registers are initialized 117 * - ERROR: not applicable 118 */ LL_SYSCFG_IO_Init(LL_SYSCFG_IO_InitTypeDef * SYSCFG_IO_InitStruct)119ErrorStatus LL_SYSCFG_IO_Init(LL_SYSCFG_IO_InitTypeDef *SYSCFG_IO_InitStruct) 120 { 121 ErrorStatus status = SUCCESS; 122 /* Check the parameters */ 123 assert_param(IS_LL_EXTI_LINE(SYSCFG_IO_InitStruct->Line)); 124 assert_param(IS_FUNCTIONAL_STATE(SYSCFG_IO_InitStruct->LineCommand)); 125 assert_param(IS_LL_EXTI_TYPE(SYSCFG_IO_InitStruct->Type)); 126 127 /* ENABLE LineCommand */ 128 if (SYSCFG_IO_InitStruct->LineCommand != DISABLE) 129 { 130 assert_param(IS_LL_EXTI_TRIGGER(SYSCFG_IO_InitStruct->Trigger)); 131 132 /* Configure SYSCFG IO Lines in range from PA0 to PB15 */ 133 if (SYSCFG_IO_InitStruct->Line != LL_EXTI_LINE_NONE) 134 { 135 /* Set the IT Type on provided Lines */ 136 LL_EXTI_EnableEdgeDetection(SYSCFG_IO_InitStruct->Line); 137 138 if (SYSCFG_IO_InitStruct->Trigger != LL_EXTI_TRIGGER_NONE) 139 { 140 switch (SYSCFG_IO_InitStruct->Trigger) 141 { 142 case LL_EXTI_TRIGGER_RISING_EDGE: 143 LL_EXTI_EnableEdgeDetection(SYSCFG_IO_InitStruct->Line); 144 LL_EXTI_EnableRisingTrig(SYSCFG_IO_InitStruct->Line); 145 break; 146 case LL_EXTI_TRIGGER_FALLING_EDGE: 147 LL_EXTI_EnableEdgeDetection(SYSCFG_IO_InitStruct->Line); 148 LL_EXTI_DisableRisingTrig(SYSCFG_IO_InitStruct->Line); 149 break; 150 case LL_EXTI_TRIGGER_BOTH_EDGE: 151 LL_EXTI_EnableEdgeDetection(SYSCFG_IO_InitStruct->Line); 152 LL_EXTI_EnableBothEdgeTrig(SYSCFG_IO_InitStruct->Line); 153 break; 154 case LL_EXTI_TRIGGER_LOW_LEVEL: 155 LL_EXTI_DisableEdgeDetection(SYSCFG_IO_InitStruct->Line); 156 LL_EXTI_DisableRisingTrig(SYSCFG_IO_InitStruct->Line); 157 break; 158 case LL_EXTI_TRIGGER_HIGH_LEVEL: 159 LL_EXTI_DisableEdgeDetection(SYSCFG_IO_InitStruct->Line); 160 LL_EXTI_EnableRisingTrig(SYSCFG_IO_InitStruct->Line); 161 break; 162 default: 163 status = ERROR; 164 break; 165 } 166 LL_EXTI_EnableIT(SYSCFG_IO_InitStruct->Line); 167 LL_EXTI_ClearFlag(SYSCFG_IO_InitStruct->Line); 168 } 169 } 170 /* DISABLE LineCommand */ 171 else 172 { 173 LL_EXTI_DisableIT(SYSCFG_IO_InitStruct->Line); 174 } 175 } 176 return status; 177 } 178 179 /** 180 * @brief Set each @ref LL_SYSCFG_IO_InitTypeDef field to default value. 181 * @param SYSCFG_IO_InitStruct Pointer to a @ref LL_SYSCFG_IO_InitTypeDef structure. 182 * @retval None 183 */ LL_SYSCFG_IO_StructInit(LL_SYSCFG_IO_InitTypeDef * SYSCFG_IO_InitStruct)184void LL_SYSCFG_IO_StructInit(LL_SYSCFG_IO_InitTypeDef *SYSCFG_IO_InitStruct) 185 { 186 SYSCFG_IO_InitStruct->Line = LL_EXTI_LINE_NONE; 187 SYSCFG_IO_InitStruct->LineCommand = DISABLE; 188 SYSCFG_IO_InitStruct->Type = LL_EXTI_TYPE_EDGE; 189 SYSCFG_IO_InitStruct->Trigger = LL_EXTI_TRIGGER_NONE; 190 } 191 192 /** 193 * @} 194 */ 195 196 /** 197 * @} 198 */ 199 200 201 #endif /* defined (SYSCFG) */ 202 203 204 /** 205 * @} 206 */ 207 208 #endif /* USE_FULL_LL_DRIVER */
