1 /** 2 ****************************************************************************** 3 * @file stm32u0xx_hal_gpio.h 4 * @author MCD Application Team 5 * @brief Header file of GPIO 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_GPIO_H 21 #define STM32U0xx_HAL_GPIO_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 GPIO GPIO 35 * @brief GPIO HAL module driver 36 * @{ 37 */ 38 39 /* Exported types ------------------------------------------------------------*/ 40 41 /** @defgroup GPIO_Exported_Types GPIO Exported Types 42 * @{ 43 */ 44 /** 45 * @brief GPIO Init structure definition 46 */ 47 typedef struct 48 { 49 uint32_t Pin; /*!< Specifies the GPIO pins to be configured. 50 This parameter can be any value of @ref GPIO_pins */ 51 52 uint32_t Mode; /*!< Specifies the operating mode for the selected pins. 53 This parameter can be a value of @ref GPIO_mode */ 54 55 uint32_t Pull; /*!< Specifies the Pull-up or Pull-Down activation for the selected pins. 56 This parameter can be a value of @ref GPIO_pull */ 57 58 uint32_t Speed; /*!< Specifies the speed for the selected pins. 59 This parameter can be a value of @ref GPIO_speed */ 60 61 uint32_t Alternate; /*!< Peripheral to be connected to the selected pins 62 This parameter can be a value of @ref GPIOEx_Alternate_function_selection */ 63 } GPIO_InitTypeDef; 64 65 /** 66 * @brief GPIO Bit SET and Bit RESET enumeration 67 */ 68 typedef enum 69 { 70 GPIO_PIN_RESET = 0U, 71 GPIO_PIN_SET = 1U 72 } GPIO_PinState; 73 /** 74 * @} 75 */ 76 77 /* Exported constants --------------------------------------------------------*/ 78 /** @defgroup GPIO_Exported_Constants GPIO Exported Constants 79 * @{ 80 */ 81 /** @defgroup GPIO_pins GPIO pins 82 * @{ 83 */ 84 #define GPIO_PIN_0 ((uint16_t)0x0001) /* Pin 0 selected */ 85 #define GPIO_PIN_1 ((uint16_t)0x0002) /* Pin 1 selected */ 86 #define GPIO_PIN_2 ((uint16_t)0x0004) /* Pin 2 selected */ 87 #define GPIO_PIN_3 ((uint16_t)0x0008) /* Pin 3 selected */ 88 #define GPIO_PIN_4 ((uint16_t)0x0010) /* Pin 4 selected */ 89 #define GPIO_PIN_5 ((uint16_t)0x0020) /* Pin 5 selected */ 90 #define GPIO_PIN_6 ((uint16_t)0x0040) /* Pin 6 selected */ 91 #define GPIO_PIN_7 ((uint16_t)0x0080) /* Pin 7 selected */ 92 #define GPIO_PIN_8 ((uint16_t)0x0100) /* Pin 8 selected */ 93 #define GPIO_PIN_9 ((uint16_t)0x0200) /* Pin 9 selected */ 94 #define GPIO_PIN_10 ((uint16_t)0x0400) /* Pin 10 selected */ 95 #define GPIO_PIN_11 ((uint16_t)0x0800) /* Pin 11 selected */ 96 #define GPIO_PIN_12 ((uint16_t)0x1000) /* Pin 12 selected */ 97 #define GPIO_PIN_13 ((uint16_t)0x2000) /* Pin 13 selected */ 98 #define GPIO_PIN_14 ((uint16_t)0x4000) /* Pin 14 selected */ 99 #define GPIO_PIN_15 ((uint16_t)0x8000) /* Pin 15 selected */ 100 #define GPIO_PIN_ALL ((uint16_t)0xFFFF) /* All pins selected */ 101 #define GPIO_PIN_MASK (0x0000FFFFu) /* PIN mask for assert test */ 102 /** 103 * @} 104 */ 105 106 /** @defgroup GPIO_mode GPIO mode 107 * @brief GPIO Configuration Mode 108 * Elements values convention: 0x00WX00YZ 109 * - W : EXTI trigger detection on 3 bits 110 * - X : EXTI mode (IT or Event) on 2 bits 111 * - Y : Output type (Push Pull or Open Drain) on 1 bit 112 * - Z : GPIO mode (Input, Output, Alternate or Analog) on 2 bits 113 * @{ 114 */ 115 #define GPIO_MODE_INPUT MODE_INPUT /*!< Input Floating Mode */ 116 #define GPIO_MODE_OUTPUT_PP (MODE_OUTPUT | OUTPUT_PP) /*!< Output Push Pull Mode */ 117 #define GPIO_MODE_OUTPUT_OD (MODE_OUTPUT | OUTPUT_OD) /*!< Output Open Drain Mode */ 118 #define GPIO_MODE_AF_PP (MODE_AF | OUTPUT_PP) /*!< Alternate Function Push Pull Mode */ 119 #define GPIO_MODE_AF_OD (MODE_AF | OUTPUT_OD) /*!< Alternate Function Open Drain Mode */ 120 #define GPIO_MODE_ANALOG MODE_ANALOG /*!< Analog Mode */ 121 #define GPIO_MODE_IT_RISING (MODE_INPUT | EXTI_IT | TRIGGER_RISING) /*!< External Interrupt Mode with Rising edge trigger detection */ 122 #define GPIO_MODE_IT_FALLING (MODE_INPUT | EXTI_IT | TRIGGER_FALLING) /*!< External Interrupt Mode with Falling edge trigger detection */ 123 #define GPIO_MODE_IT_RISING_FALLING (MODE_INPUT | EXTI_IT | TRIGGER_RISING | TRIGGER_FALLING) /*!< External Interrupt Mode with Rising/Falling edge trigger detection */ 124 #define GPIO_MODE_EVT_RISING (MODE_INPUT | EXTI_EVT | TRIGGER_RISING) /*!< External Event Mode with Rising edge trigger detection */ 125 #define GPIO_MODE_EVT_FALLING (MODE_INPUT | EXTI_EVT | TRIGGER_FALLING) /*!< External Event Mode with Falling edge trigger detection */ 126 #define GPIO_MODE_EVT_RISING_FALLING (MODE_INPUT | EXTI_EVT | TRIGGER_RISING | TRIGGER_FALLING) /*!< External Event Mode with Rising/Falling edge trigger detection */ 127 /** 128 * @} 129 */ 130 131 /** @defgroup GPIO_speed GPIO speed 132 * @brief GPIO Output Maximum frequency 133 * @{ 134 */ 135 #define GPIO_SPEED_FREQ_LOW 0x00000000u /*!< Low speed */ 136 #define GPIO_SPEED_FREQ_MEDIUM 0x00000001u /*!< Medium speed */ 137 #define GPIO_SPEED_FREQ_HIGH 0x00000002u /*!< High speed */ 138 #define GPIO_SPEED_FREQ_VERY_HIGH 0x00000003u /*!< Very high speed */ 139 /** 140 * @} 141 */ 142 143 /** @defgroup GPIO_pull GPIO pull 144 * @brief GPIO Pull-Up or Pull-Down Activation 145 * @{ 146 */ 147 #define GPIO_NOPULL 0x00000000u /*!< No Pull-up or Pull-down activation */ 148 #define GPIO_PULLUP 0x00000001u /*!< Pull-up activation */ 149 #define GPIO_PULLDOWN 0x00000002u /*!< Pull-down activation */ 150 /** 151 * @} 152 */ 153 154 /** 155 * @} 156 */ 157 158 /* Exported macro ------------------------------------------------------------*/ 159 /** @defgroup GPIO_Exported_Macros GPIO Exported Macros 160 * @{ 161 */ 162 163 /** 164 * @brief Check whether the specified EXTI line is rising edge asserted or not. 165 * @param __EXTI_LINE__ specifies the EXTI line to check. 166 * This parameter can be GPIO_PIN_x where x can be(0..15) 167 * @retval The new state of __EXTI_LINE__ (SET or RESET). 168 */ 169 #define __HAL_GPIO_EXTI_GET_RISING_IT(__EXTI_LINE__) (EXTI->RPR1 & (__EXTI_LINE__)) 170 171 /** 172 * @brief Clear the EXTI line rising pending bits. 173 * @param __EXTI_LINE__ specifies the EXTI lines to clear. 174 * This parameter can be any combination of GPIO_PIN_x where x can be (0..15) 175 * @retval None 176 */ 177 #define __HAL_GPIO_EXTI_CLEAR_RISING_IT(__EXTI_LINE__) (EXTI->RPR1 = (__EXTI_LINE__)) 178 179 /** 180 * @brief Check whether the specified EXTI line is falling edge asserted or not. 181 * @param __EXTI_LINE__ specifies the EXTI line to check. 182 * This parameter can be GPIO_PIN_x where x can be(0..15) 183 * @retval The new state of __EXTI_LINE__ (SET or RESET). 184 */ 185 #define __HAL_GPIO_EXTI_GET_FALLING_IT(__EXTI_LINE__) (EXTI->FPR1 & (__EXTI_LINE__)) 186 187 /** 188 * @brief Clear the EXTI line falling pending bits. 189 * @param __EXTI_LINE__ specifies the EXTI lines to clear. 190 * This parameter can be any combination of GPIO_PIN_x where x can be (0..15) 191 * @retval None 192 */ 193 #define __HAL_GPIO_EXTI_CLEAR_FALLING_IT(__EXTI_LINE__) (EXTI->FPR1 = (__EXTI_LINE__)) 194 195 /** 196 * @brief Check whether the specified EXTI line is asserted or not. 197 * @param __EXTI_LINE__ specifies the EXTI line to check. 198 * This parameter can be GPIO_PIN_x where x can be(0..15) 199 * @retval The new state of __EXTI_LINE__ (SET or RESET). 200 */ 201 #define __HAL_GPIO_EXTI_GET_IT(__EXTI_LINE__) (__HAL_GPIO_EXTI_GET_RISING_IT(__EXTI_LINE__) || \ 202 __HAL_GPIO_EXTI_GET_FALLING_IT(__EXTI_LINE__)) 203 204 /** 205 * @brief Clear the EXTI's line pending bits. 206 * @param __EXTI_LINE__ specifies the EXTI lines to clear. 207 * This parameter can be any combination of GPIO_PIN_x where x can be (0..15) 208 * @retval None 209 */ 210 #define __HAL_GPIO_EXTI_CLEAR_IT(__EXTI_LINE__) \ 211 do { \ 212 __HAL_GPIO_EXTI_CLEAR_RISING_IT(__EXTI_LINE__); \ 213 __HAL_GPIO_EXTI_CLEAR_FALLING_IT(__EXTI_LINE__); \ 214 } while(0) 215 216 /** 217 * @brief Generate a Software interrupt on selected EXTI line. 218 * @param __EXTI_LINE__ specifies the EXTI line to check. 219 * This parameter can be GPIO_PIN_x where x can be(0..15) 220 * @retval None 221 */ 222 #define __HAL_GPIO_EXTI_GENERATE_SWIT(__EXTI_LINE__) (EXTI->SWIER1 |= (__EXTI_LINE__)) 223 224 /** 225 * @brief Check whether the specified EXTI line flag is set or not. 226 * @param __EXTI_LINE__ specifies the EXTI line flag to check. 227 * This parameter can be GPIO_PIN_x where x can be(0..15) 228 * @retval The new state of __EXTI_LINE__ (SET or RESET). 229 */ 230 #define __HAL_GPIO_EXTI_GET_FLAG(__EXTI_LINE__) __HAL_GPIO_EXTI_GET_IT(__EXTI_LINE__) 231 232 /** 233 * @brief Clear the EXTI line pending flags. 234 * @param __EXTI_LINE__ specifies the EXTI lines flags to clear. 235 * This parameter can be any combination of GPIO_PIN_x where x can be (0..15) 236 * @retval None 237 */ 238 #define __HAL_GPIO_EXTI_CLEAR_FLAG(__EXTI_LINE__) __HAL_GPIO_EXTI_CLEAR_IT(__EXTI_LINE__) 239 240 /** 241 * @} 242 */ 243 244 /* Private macros ------------------------------------------------------------*/ 245 /** @defgroup GPIO_Private_Constants GPIO Private Constants 246 * @{ 247 */ 248 #define GPIO_MODE_POS 0u 249 #define GPIO_MODE (0x3uL << GPIO_MODE_POS) 250 #define MODE_INPUT (0x0uL << GPIO_MODE_POS) 251 #define MODE_OUTPUT (0x1uL << GPIO_MODE_POS) 252 #define MODE_AF (0x2uL << GPIO_MODE_POS) 253 #define MODE_ANALOG (0x3uL << GPIO_MODE_POS) 254 #define OUTPUT_TYPE_POS 4u 255 #define OUTPUT_TYPE (0x1uL << OUTPUT_TYPE_POS) 256 #define OUTPUT_PP (0x0uL << OUTPUT_TYPE_POS) 257 #define OUTPUT_OD (0x1uL << OUTPUT_TYPE_POS) 258 #define EXTI_MODE_POS 16u 259 #define EXTI_MODE (0x3uL << EXTI_MODE_POS) 260 #define EXTI_IT (0x1uL << EXTI_MODE_POS) 261 #define EXTI_EVT (0x2uL << EXTI_MODE_POS) 262 #define TRIGGER_MODE_POS 20u 263 #define TRIGGER_MODE (0x7uL << TRIGGER_MODE_POS) 264 #define TRIGGER_RISING (0x1uL << TRIGGER_MODE_POS) 265 #define TRIGGER_FALLING (0x2uL << TRIGGER_MODE_POS) 266 /** 267 * @} 268 */ 269 270 /** @defgroup GPIO_Private_Macros GPIO Private Macros 271 * @{ 272 */ 273 #define IS_GPIO_PIN_ACTION(ACTION) (((ACTION) == GPIO_PIN_RESET) || ((ACTION) == GPIO_PIN_SET)) 274 275 #define IS_GPIO_PIN(__PIN__) ((((uint32_t)(__PIN__) & GPIO_PIN_MASK) != 0x00u) &&\ 276 (((uint32_t)(__PIN__) & ~GPIO_PIN_MASK) == 0x00u)) 277 278 #define IS_GPIO_MODE(__MODE__) (((__MODE__) == GPIO_MODE_INPUT) ||\ 279 ((__MODE__) == GPIO_MODE_OUTPUT_PP) ||\ 280 ((__MODE__) == GPIO_MODE_OUTPUT_OD) ||\ 281 ((__MODE__) == GPIO_MODE_AF_PP) ||\ 282 ((__MODE__) == GPIO_MODE_AF_OD) ||\ 283 ((__MODE__) == GPIO_MODE_IT_RISING) ||\ 284 ((__MODE__) == GPIO_MODE_IT_FALLING) ||\ 285 ((__MODE__) == GPIO_MODE_IT_RISING_FALLING) ||\ 286 ((__MODE__) == GPIO_MODE_EVT_RISING) ||\ 287 ((__MODE__) == GPIO_MODE_EVT_FALLING) ||\ 288 ((__MODE__) == GPIO_MODE_EVT_RISING_FALLING) ||\ 289 ((__MODE__) == GPIO_MODE_ANALOG)) 290 291 #define IS_GPIO_SPEED(__SPEED__) (((__SPEED__) == GPIO_SPEED_FREQ_LOW) ||\ 292 ((__SPEED__) == GPIO_SPEED_FREQ_MEDIUM) ||\ 293 ((__SPEED__) == GPIO_SPEED_FREQ_HIGH) ||\ 294 ((__SPEED__) == GPIO_SPEED_FREQ_VERY_HIGH)) 295 296 #define IS_GPIO_PULL(__PULL__) (((__PULL__) == GPIO_NOPULL) ||\ 297 ((__PULL__) == GPIO_PULLUP) || \ 298 ((__PULL__) == GPIO_PULLDOWN)) 299 /** 300 * @} 301 */ 302 303 /* Include GPIO HAL Extended module */ 304 #include "stm32u0xx_hal_gpio_ex.h" 305 306 /* Exported functions --------------------------------------------------------*/ 307 /** @defgroup GPIO_Exported_Functions GPIO Exported Functions 308 * @brief GPIO Exported Functions 309 * @{ 310 */ 311 312 /** @defgroup GPIO_Exported_Functions_Group1 Initialization/de-initialization functions 313 * @brief Initialization and Configuration functions 314 * @{ 315 */ 316 317 /* Initialization and de-initialization functions *****************************/ 318 void HAL_GPIO_Init(GPIO_TypeDef *GPIOx, const GPIO_InitTypeDef *GPIO_Init); 319 void HAL_GPIO_DeInit(GPIO_TypeDef *GPIOx, uint32_t GPIO_Pin); 320 321 /** 322 * @} 323 */ 324 325 /** @defgroup GPIO_Exported_Functions_Group2 IO operation functions 326 * @brief IO operation functions 327 * @{ 328 */ 329 330 /* IO operation functions *****************************************************/ 331 GPIO_PinState HAL_GPIO_ReadPin(const GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin); 332 void HAL_GPIO_WritePin(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin, GPIO_PinState PinState); 333 void HAL_GPIO_TogglePin(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin); 334 HAL_StatusTypeDef HAL_GPIO_LockPin(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin); 335 void HAL_GPIO_EXTI_IRQHandler(uint16_t GPIO_Pin); 336 void HAL_GPIO_EXTI_Rising_Callback(uint16_t GPIO_Pin); 337 void HAL_GPIO_EXTI_Falling_Callback(uint16_t GPIO_Pin); 338 339 /** 340 * @} 341 */ 342 343 /** 344 * @} 345 */ 346 347 /** 348 * @} 349 */ 350 351 /** 352 * @} 353 */ 354 355 #ifdef __cplusplus 356 } 357 #endif 358 359 #endif /* STM32U0xx_HAL_GPIO_H */ 360
