1 /** 2 ****************************************************************************** 3 * @file stm32u0xx_hal_exti.h 4 * @author MCD Application Team 5 * @brief Header file of EXTI HAL module. 6 ****************************************************************************** 7 * @attention 8 * 9 * Copyright (c) 2023 STMicroelectronics. 10 * All rights reserved. 11 * 12 * This software is licensed under terms that can be found in the LICENSE file 13 * in the root directory of this software component. 14 * If no LICENSE file comes with this software, it is provided AS-IS. 15 * 16 ****************************************************************************** 17 */ 18 19 /* Define to prevent recursive inclusion -------------------------------------*/ 20 #ifndef STM32U0xx_HAL_EXTI_H 21 #define STM32U0xx_HAL_EXTI_H 22 23 #ifdef __cplusplus 24 extern "C" { 25 #endif 26 27 /* Includes ------------------------------------------------------------------*/ 28 #include "stm32u0xx_hal_def.h" 29 30 /** @addtogroup STM32U0xx_HAL_Driver 31 * @{ 32 */ 33 34 /** @defgroup EXTI EXTI 35 * @brief EXTI HAL module driver 36 * @{ 37 */ 38 39 /* Exported types ------------------------------------------------------------*/ 40 41 /** @defgroup EXTI_Exported_Types EXTI Exported Types 42 * @{ 43 */ 44 typedef enum 45 { 46 HAL_EXTI_COMMON_CB_ID = 0x00U, 47 HAL_EXTI_RISING_CB_ID = 0x01U, 48 HAL_EXTI_FALLING_CB_ID = 0x02U, 49 } EXTI_CallbackIDTypeDef; 50 51 /** 52 * @brief EXTI Handle structure definition 53 */ 54 typedef struct 55 { 56 uint32_t Line; /*!< Exti line number */ 57 void (* RisingCallback)(void); /*!< Exti rising callback */ 58 void (* FallingCallback)(void); /*!< Exti falling callback */ 59 } EXTI_HandleTypeDef; 60 61 /** 62 * @brief EXTI Configuration structure definition 63 */ 64 typedef struct 65 { 66 uint32_t Line; /*!< The Exti line to be configured. This parameter 67 can be a value of @ref EXTI_Line */ 68 uint32_t Mode; /*!< The Exit Mode to be configured for a core. 69 This parameter can be a combination of @ref EXTI_Mode */ 70 uint32_t Trigger; /*!< The Exti Trigger to be configured. This parameter 71 can be a value of @ref EXTI_Trigger */ 72 uint32_t GPIOSel; /*!< The Exti GPIO multiplexer selection to be configured. 73 This parameter is only possible for line 0 to 15. It 74 can be a value of @ref EXTI_GPIOSel */ 75 } EXTI_ConfigTypeDef; 76 77 /** 78 * @} 79 */ 80 81 /* Exported constants --------------------------------------------------------*/ 82 /** @defgroup EXTI_Exported_Constants EXTI Exported Constants 83 * @{ 84 */ 85 86 /** @defgroup EXTI_Line EXTI Line 87 * @{ 88 */ 89 #define EXTI_LINE_0 (EXTI_GPIO | EXTI_REG1 | 0x00U) 90 #define EXTI_LINE_1 (EXTI_GPIO | EXTI_REG1 | 0x01U) 91 #define EXTI_LINE_2 (EXTI_GPIO | EXTI_REG1 | 0x02U) 92 #define EXTI_LINE_3 (EXTI_GPIO | EXTI_REG1 | 0x03U) 93 #define EXTI_LINE_4 (EXTI_GPIO | EXTI_REG1 | 0x04U) 94 #define EXTI_LINE_5 (EXTI_GPIO | EXTI_REG1 | 0x05U) 95 #define EXTI_LINE_6 (EXTI_GPIO | EXTI_REG1 | 0x06U) 96 #define EXTI_LINE_7 (EXTI_GPIO | EXTI_REG1 | 0x07U) 97 #define EXTI_LINE_8 (EXTI_GPIO | EXTI_REG1 | 0x08U) 98 #define EXTI_LINE_9 (EXTI_GPIO | EXTI_REG1 | 0x09U) 99 #define EXTI_LINE_10 (EXTI_GPIO | EXTI_REG1 | 0x0AU) 100 #define EXTI_LINE_11 (EXTI_GPIO | EXTI_REG1 | 0x0BU) 101 #define EXTI_LINE_12 (EXTI_GPIO | EXTI_REG1 | 0x0CU) 102 #define EXTI_LINE_13 (EXTI_GPIO | EXTI_REG1 | 0x0DU) 103 #define EXTI_LINE_14 (EXTI_GPIO | EXTI_REG1 | 0x0EU) 104 #define EXTI_LINE_15 (EXTI_GPIO | EXTI_REG1 | 0x0FU) 105 #define EXTI_LINE_16 (EXTI_CONFIG | EXTI_REG1 | 0x10U) 106 #define EXTI_LINE_17 (EXTI_CONFIG | EXTI_REG1 | 0x11U) 107 #if defined(EXTI_IMR1_IM18) 108 #define EXTI_LINE_18 (EXTI_CONFIG | EXTI_REG1 | 0x12U) 109 #endif /* EXTI_IMR1_IM18 */ 110 #if defined(EXTI_IMR1_IM19) 111 #define EXTI_LINE_19 (EXTI_CONFIG | EXTI_REG1 | 0x13U) 112 #endif /* EXTI_IMR1_IM19 */ 113 #define EXTI_LINE_20 (EXTI_CONFIG | EXTI_REG1 | 0x14U) 114 #define EXTI_LINE_21 (EXTI_CONFIG | EXTI_REG1 | 0x15U) 115 #if defined(EXTI_IMR1_IM22) 116 #define EXTI_LINE_22 (EXTI_DIRECT | EXTI_REG1 | 0x16U) 117 #endif /* EXTI_IMR1_IM22 */ 118 #define EXTI_LINE_23 (EXTI_DIRECT | EXTI_REG1 | 0x17U) 119 #define EXTI_LINE_24 (EXTI_DIRECT | EXTI_REG1 | 0x18U) 120 #define EXTI_LINE_25 (EXTI_DIRECT | EXTI_REG1 | 0x19U) 121 #if defined(EXTI_IMR1_IM26) 122 #define EXTI_LINE_26 (EXTI_DIRECT | EXTI_REG1 | 0x1AU) 123 #endif /* EXTI_IMR1_IM26 */ 124 #define EXTI_LINE_27 (EXTI_DIRECT | EXTI_REG1 | 0x1BU) 125 #define EXTI_LINE_28 (EXTI_DIRECT | EXTI_REG1 | 0x1CU) 126 #define EXTI_LINE_29 (EXTI_DIRECT | EXTI_REG1 | 0x1DU) 127 #define EXTI_LINE_30 (EXTI_DIRECT | EXTI_REG1 | 0x1EU) 128 #define EXTI_LINE_31 (EXTI_DIRECT | EXTI_REG1 | 0x1FU) 129 #if defined(EXTI_IMR2_IM32) 130 #define EXTI_LINE_32 (EXTI_DIRECT | EXTI_REG2 | 0x00U) 131 #endif /* EXTI_IMR2_IM32 */ 132 #define EXTI_LINE_33 (EXTI_DIRECT | EXTI_REG2 | 0x01U) 133 #define EXTI_LINE_34 (EXTI_DIRECT | EXTI_REG2 | 0x02U) 134 #define EXTI_LINE_35 (EXTI_DIRECT | EXTI_REG2 | 0x03U) 135 #if defined(EXTI_IMR2_IM36) 136 #define EXTI_LINE_36 (EXTI_DIRECT | EXTI_REG2 | 0x04U) 137 #endif /* EXTI_IMR2_IM36 */ 138 #define EXTI_LINE_37 (EXTI_DIRECT | EXTI_REG2 | 0x05U) 139 /** 140 * @} 141 */ 142 143 /** @defgroup EXTI_Mode EXTI Mode 144 * @{ 145 */ 146 #define EXTI_MODE_NONE 0x00000000U 147 #define EXTI_MODE_INTERRUPT 0x00000001U 148 #define EXTI_MODE_EVENT 0x00000002U 149 /** 150 * @} 151 */ 152 153 /** @defgroup EXTI_Trigger EXTI Trigger 154 * @{ 155 */ 156 #define EXTI_TRIGGER_NONE 0x00000000U 157 #define EXTI_TRIGGER_RISING 0x00000001U 158 #define EXTI_TRIGGER_FALLING 0x00000002U 159 #define EXTI_TRIGGER_RISING_FALLING (EXTI_TRIGGER_RISING | EXTI_TRIGGER_FALLING) 160 /** 161 * @} 162 */ 163 164 /** @defgroup EXTI_GPIOSel EXTI GPIOSel 165 * @brief 166 * @{ 167 */ 168 #define EXTI_GPIOA 0x00000000U 169 #define EXTI_GPIOB 0x00000001U 170 #define EXTI_GPIOC 0x00000002U 171 #define EXTI_GPIOD 0x00000003U 172 #if defined(GPIOE) 173 #define EXTI_GPIOE 0x00000004U 174 #endif /* GPIOE */ 175 #define EXTI_GPIOF 0x00000005U 176 /** 177 * @} 178 */ 179 180 /** 181 * @} 182 */ 183 184 /* Exported macro ------------------------------------------------------------*/ 185 /** @defgroup EXTI_Exported_Macros EXTI Exported Macros 186 * @{ 187 */ 188 189 /** 190 * @} 191 */ 192 193 /* Private constants --------------------------------------------------------*/ 194 /** @defgroup EXTI_Private_Constants EXTI Private Constants 195 * @{ 196 */ 197 /** 198 * @brief EXTI Line property definition 199 */ 200 #define EXTI_PROPERTY_SHIFT 24U 201 #define EXTI_DIRECT (0x01U << EXTI_PROPERTY_SHIFT) 202 #define EXTI_CONFIG (0x02U << EXTI_PROPERTY_SHIFT) 203 #define EXTI_GPIO ((0x04U << EXTI_PROPERTY_SHIFT) | EXTI_CONFIG) 204 #define EXTI_RESERVED (0x08U << EXTI_PROPERTY_SHIFT) 205 #define EXTI_PROPERTY_MASK (EXTI_DIRECT | EXTI_CONFIG | EXTI_GPIO) 206 207 /** 208 * @brief EXTI Register and bit usage 209 */ 210 #define EXTI_REG_SHIFT 16U 211 #define EXTI_REG1 (0x00U << EXTI_REG_SHIFT) 212 #define EXTI_REG2 (0x01U << EXTI_REG_SHIFT) 213 #define EXTI_REG_MASK (EXTI_REG1 | EXTI_REG2) 214 #define EXTI_PIN_MASK 0x0000001FU 215 216 /** 217 * @brief EXTI Mask for interrupt & event mode 218 */ 219 #define EXTI_MODE_MASK (EXTI_MODE_EVENT | EXTI_MODE_INTERRUPT) 220 221 /** 222 * @brief EXTI Mask for trigger possibilities 223 */ 224 #define EXTI_TRIGGER_MASK (EXTI_TRIGGER_RISING | EXTI_TRIGGER_FALLING) 225 226 /** 227 * @brief EXTI Line number 228 */ 229 #define EXTI_LINE_NB 38U 230 231 /** 232 * @} 233 */ 234 235 /* Private macros ------------------------------------------------------------*/ 236 /** @defgroup EXTI_Private_Macros EXTI Private Macros 237 * @{ 238 */ 239 #define IS_EXTI_LINE(__LINE__) ((((__LINE__) & ~(EXTI_PROPERTY_MASK | EXTI_REG_MASK | EXTI_PIN_MASK)) == 0x00U) && \ 240 ((((__LINE__) & EXTI_PROPERTY_MASK) == EXTI_DIRECT) || \ 241 (((__LINE__) & EXTI_PROPERTY_MASK) == EXTI_CONFIG) || \ 242 (((__LINE__) & EXTI_PROPERTY_MASK) == EXTI_GPIO)) && \ 243 (((__LINE__) & (EXTI_REG_MASK | EXTI_PIN_MASK)) < \ 244 (((EXTI_LINE_NB / 32) << EXTI_REG_SHIFT) | (EXTI_LINE_NB % 32)))) 245 246 #define IS_EXTI_MODE(__LINE__) ((((__LINE__) & EXTI_MODE_MASK) != 0x00U) && \ 247 (((__LINE__) & ~EXTI_MODE_MASK) == 0x00U)) 248 249 #define IS_EXTI_TRIGGER(__LINE__) (((__LINE__) & ~EXTI_TRIGGER_MASK) == 0x00U) 250 251 #define IS_EXTI_PENDING_EDGE(__LINE__) (((__LINE__) == EXTI_TRIGGER_RISING) || \ 252 ((__LINE__) == EXTI_TRIGGER_FALLING)) 253 254 #define IS_EXTI_CONFIG_LINE(__LINE__) (((__LINE__) & EXTI_CONFIG) != 0x00U) 255 #if defined(GPIOE) 256 #define IS_EXTI_GPIO_PORT(__PORT__) (((__PORT__) == EXTI_GPIOA) || \ 257 ((__PORT__) == EXTI_GPIOB) || \ 258 ((__PORT__) == EXTI_GPIOC) || \ 259 ((__PORT__) == EXTI_GPIOD) || \ 260 ((__PORT__) == EXTI_GPIOE) || \ 261 ((__PORT__) == EXTI_GPIOF)) 262 #else 263 #define IS_EXTI_GPIO_PORT(__PORT__) (((__PORT__) == EXTI_GPIOA) || \ 264 ((__PORT__) == EXTI_GPIOB) || \ 265 ((__PORT__) == EXTI_GPIOC) || \ 266 ((__PORT__) == EXTI_GPIOD) || \ 267 ((__PORT__) == EXTI_GPIOF)) 268 #endif /* GPIOE */ 269 #define IS_EXTI_GPIO_PIN(__PIN__) ((__PIN__) < 16U) 270 271 /** 272 * @} 273 */ 274 275 /* Exported functions --------------------------------------------------------*/ 276 /** @defgroup EXTI_Exported_Functions EXTI Exported Functions 277 * @brief EXTI Exported Functions 278 * @{ 279 */ 280 281 /** @defgroup EXTI_Exported_Functions_Group1 Configuration functions 282 * @brief Configuration functions 283 * @{ 284 */ 285 /* Configuration functions ****************************************************/ 286 HAL_StatusTypeDef HAL_EXTI_SetConfigLine(EXTI_HandleTypeDef *hexti, EXTI_ConfigTypeDef *pExtiConfig); 287 HAL_StatusTypeDef HAL_EXTI_GetConfigLine(EXTI_HandleTypeDef *hexti, EXTI_ConfigTypeDef *pExtiConfig); 288 HAL_StatusTypeDef HAL_EXTI_ClearConfigLine(EXTI_HandleTypeDef *hexti); 289 HAL_StatusTypeDef HAL_EXTI_RegisterCallback(EXTI_HandleTypeDef *hexti, EXTI_CallbackIDTypeDef CallbackID, 290 void (*pPendingCbfn)(void)); 291 HAL_StatusTypeDef HAL_EXTI_GetHandle(EXTI_HandleTypeDef *hexti, uint32_t ExtiLine); 292 /** 293 * @} 294 */ 295 296 /** @defgroup EXTI_Exported_Functions_Group2 IO operation functions 297 * @brief IO operation functions 298 * @{ 299 */ 300 /* IO operation functions *****************************************************/ 301 void HAL_EXTI_IRQHandler(EXTI_HandleTypeDef *hexti); 302 uint32_t HAL_EXTI_GetPending(EXTI_HandleTypeDef *hexti, uint32_t Edge); 303 void HAL_EXTI_ClearPending(EXTI_HandleTypeDef *hexti, uint32_t Edge); 304 void HAL_EXTI_GenerateSWI(EXTI_HandleTypeDef *hexti); 305 306 /** 307 * @} 308 */ 309 310 /** 311 * @} 312 */ 313 314 /** 315 * @} 316 */ 317 318 /** 319 * @} 320 */ 321 322 #ifdef __cplusplus 323 } 324 #endif 325 326 #endif /* STM32U0xx_HAL_EXTI_H */ 327
