STM32F439xx HAL User Manual
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00001 /** 00002 ****************************************************************************** 00003 * @file stm32f4xx_hal_gpio.h 00004 * @author MCD Application Team 00005 * @brief Header file of GPIO HAL module. 00006 ****************************************************************************** 00007 * @attention 00008 * 00009 * <h2><center>© COPYRIGHT(c) 2017 STMicroelectronics</center></h2> 00010 * 00011 * Redistribution and use in source and binary forms, with or without modification, 00012 * are permitted provided that the following conditions are met: 00013 * 1. Redistributions of source code must retain the above copyright notice, 00014 * this list of conditions and the following disclaimer. 00015 * 2. Redistributions in binary form must reproduce the above copyright notice, 00016 * this list of conditions and the following disclaimer in the documentation 00017 * and/or other materials provided with the distribution. 00018 * 3. Neither the name of STMicroelectronics nor the names of its contributors 00019 * may be used to endorse or promote products derived from this software 00020 * without specific prior written permission. 00021 * 00022 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 00023 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00024 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 00025 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE 00026 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 00027 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 00028 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 00029 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 00030 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 00031 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00032 * 00033 ****************************************************************************** 00034 */ 00035 00036 /* Define to prevent recursive inclusion -------------------------------------*/ 00037 #ifndef __STM32F4xx_HAL_GPIO_H 00038 #define __STM32F4xx_HAL_GPIO_H 00039 00040 #ifdef __cplusplus 00041 extern "C" { 00042 #endif 00043 00044 /* Includes ------------------------------------------------------------------*/ 00045 #include "stm32f4xx_hal_def.h" 00046 00047 /** @addtogroup STM32F4xx_HAL_Driver 00048 * @{ 00049 */ 00050 00051 /** @addtogroup GPIO 00052 * @{ 00053 */ 00054 00055 /* Exported types ------------------------------------------------------------*/ 00056 /** @defgroup GPIO_Exported_Types GPIO Exported Types 00057 * @{ 00058 */ 00059 00060 /** 00061 * @brief GPIO Init structure definition 00062 */ 00063 typedef struct 00064 { 00065 uint32_t Pin; /*!< Specifies the GPIO pins to be configured. 00066 This parameter can be any value of @ref GPIO_pins_define */ 00067 00068 uint32_t Mode; /*!< Specifies the operating mode for the selected pins. 00069 This parameter can be a value of @ref GPIO_mode_define */ 00070 00071 uint32_t Pull; /*!< Specifies the Pull-up or Pull-Down activation for the selected pins. 00072 This parameter can be a value of @ref GPIO_pull_define */ 00073 00074 uint32_t Speed; /*!< Specifies the speed for the selected pins. 00075 This parameter can be a value of @ref GPIO_speed_define */ 00076 00077 uint32_t Alternate; /*!< Peripheral to be connected to the selected pins. 00078 This parameter can be a value of @ref GPIO_Alternate_function_selection */ 00079 }GPIO_InitTypeDef; 00080 00081 /** 00082 * @brief GPIO Bit SET and Bit RESET enumeration 00083 */ 00084 typedef enum 00085 { 00086 GPIO_PIN_RESET = 0, 00087 GPIO_PIN_SET 00088 }GPIO_PinState; 00089 /** 00090 * @} 00091 */ 00092 00093 /* Exported constants --------------------------------------------------------*/ 00094 00095 /** @defgroup GPIO_Exported_Constants GPIO Exported Constants 00096 * @{ 00097 */ 00098 00099 /** @defgroup GPIO_pins_define GPIO pins define 00100 * @{ 00101 */ 00102 #define GPIO_PIN_0 ((uint16_t)0x0001) /* Pin 0 selected */ 00103 #define GPIO_PIN_1 ((uint16_t)0x0002) /* Pin 1 selected */ 00104 #define GPIO_PIN_2 ((uint16_t)0x0004) /* Pin 2 selected */ 00105 #define GPIO_PIN_3 ((uint16_t)0x0008) /* Pin 3 selected */ 00106 #define GPIO_PIN_4 ((uint16_t)0x0010) /* Pin 4 selected */ 00107 #define GPIO_PIN_5 ((uint16_t)0x0020) /* Pin 5 selected */ 00108 #define GPIO_PIN_6 ((uint16_t)0x0040) /* Pin 6 selected */ 00109 #define GPIO_PIN_7 ((uint16_t)0x0080) /* Pin 7 selected */ 00110 #define GPIO_PIN_8 ((uint16_t)0x0100) /* Pin 8 selected */ 00111 #define GPIO_PIN_9 ((uint16_t)0x0200) /* Pin 9 selected */ 00112 #define GPIO_PIN_10 ((uint16_t)0x0400) /* Pin 10 selected */ 00113 #define GPIO_PIN_11 ((uint16_t)0x0800) /* Pin 11 selected */ 00114 #define GPIO_PIN_12 ((uint16_t)0x1000) /* Pin 12 selected */ 00115 #define GPIO_PIN_13 ((uint16_t)0x2000) /* Pin 13 selected */ 00116 #define GPIO_PIN_14 ((uint16_t)0x4000) /* Pin 14 selected */ 00117 #define GPIO_PIN_15 ((uint16_t)0x8000) /* Pin 15 selected */ 00118 #define GPIO_PIN_All ((uint16_t)0xFFFF) /* All pins selected */ 00119 00120 #define GPIO_PIN_MASK 0x0000FFFFU /* PIN mask for assert test */ 00121 /** 00122 * @} 00123 */ 00124 00125 /** @defgroup GPIO_mode_define GPIO mode define 00126 * @brief GPIO Configuration Mode 00127 * Elements values convention: 0xX0yz00YZ 00128 * - X : GPIO mode or EXTI Mode 00129 * - y : External IT or Event trigger detection 00130 * - z : IO configuration on External IT or Event 00131 * - Y : Output type (Push Pull or Open Drain) 00132 * - Z : IO Direction mode (Input, Output, Alternate or Analog) 00133 * @{ 00134 */ 00135 #define GPIO_MODE_INPUT 0x00000000U /*!< Input Floating Mode */ 00136 #define GPIO_MODE_OUTPUT_PP 0x00000001U /*!< Output Push Pull Mode */ 00137 #define GPIO_MODE_OUTPUT_OD 0x00000011U /*!< Output Open Drain Mode */ 00138 #define GPIO_MODE_AF_PP 0x00000002U /*!< Alternate Function Push Pull Mode */ 00139 #define GPIO_MODE_AF_OD 0x00000012U /*!< Alternate Function Open Drain Mode */ 00140 00141 #define GPIO_MODE_ANALOG 0x00000003U /*!< Analog Mode */ 00142 00143 #define GPIO_MODE_IT_RISING 0x10110000U /*!< External Interrupt Mode with Rising edge trigger detection */ 00144 #define GPIO_MODE_IT_FALLING 0x10210000U /*!< External Interrupt Mode with Falling edge trigger detection */ 00145 #define GPIO_MODE_IT_RISING_FALLING 0x10310000U /*!< External Interrupt Mode with Rising/Falling edge trigger detection */ 00146 00147 #define GPIO_MODE_EVT_RISING 0x10120000U /*!< External Event Mode with Rising edge trigger detection */ 00148 #define GPIO_MODE_EVT_FALLING 0x10220000U /*!< External Event Mode with Falling edge trigger detection */ 00149 #define GPIO_MODE_EVT_RISING_FALLING 0x10320000U /*!< External Event Mode with Rising/Falling edge trigger detection */ 00150 /** 00151 * @} 00152 */ 00153 00154 /** @defgroup GPIO_speed_define GPIO speed define 00155 * @brief GPIO Output Maximum frequency 00156 * @{ 00157 */ 00158 #define GPIO_SPEED_FREQ_LOW 0x00000000U /*!< IO works at 2 MHz, please refer to the product datasheet */ 00159 #define GPIO_SPEED_FREQ_MEDIUM 0x00000001U /*!< range 12,5 MHz to 50 MHz, please refer to the product datasheet */ 00160 #define GPIO_SPEED_FREQ_HIGH 0x00000002U /*!< range 25 MHz to 100 MHz, please refer to the product datasheet */ 00161 #define GPIO_SPEED_FREQ_VERY_HIGH 0x00000003U /*!< range 50 MHz to 200 MHz, please refer to the product datasheet */ 00162 /** 00163 * @} 00164 */ 00165 00166 /** @defgroup GPIO_pull_define GPIO pull define 00167 * @brief GPIO Pull-Up or Pull-Down Activation 00168 * @{ 00169 */ 00170 #define GPIO_NOPULL 0x00000000U /*!< No Pull-up or Pull-down activation */ 00171 #define GPIO_PULLUP 0x00000001U /*!< Pull-up activation */ 00172 #define GPIO_PULLDOWN 0x00000002U /*!< Pull-down activation */ 00173 /** 00174 * @} 00175 */ 00176 00177 /** 00178 * @} 00179 */ 00180 00181 /* Exported macro ------------------------------------------------------------*/ 00182 /** @defgroup GPIO_Exported_Macros GPIO Exported Macros 00183 * @{ 00184 */ 00185 00186 /** 00187 * @brief Checks whether the specified EXTI line flag is set or not. 00188 * @param __EXTI_LINE__ specifies the EXTI line flag to check. 00189 * This parameter can be GPIO_PIN_x where x can be(0..15) 00190 * @retval The new state of __EXTI_LINE__ (SET or RESET). 00191 */ 00192 #define __HAL_GPIO_EXTI_GET_FLAG(__EXTI_LINE__) (EXTI->PR & (__EXTI_LINE__)) 00193 00194 /** 00195 * @brief Clears the EXTI's line pending flags. 00196 * @param __EXTI_LINE__ specifies the EXTI lines flags to clear. 00197 * This parameter can be any combination of GPIO_PIN_x where x can be (0..15) 00198 * @retval None 00199 */ 00200 #define __HAL_GPIO_EXTI_CLEAR_FLAG(__EXTI_LINE__) (EXTI->PR = (__EXTI_LINE__)) 00201 00202 /** 00203 * @brief Checks whether the specified EXTI line is asserted or not. 00204 * @param __EXTI_LINE__ specifies the EXTI line to check. 00205 * This parameter can be GPIO_PIN_x where x can be(0..15) 00206 * @retval The new state of __EXTI_LINE__ (SET or RESET). 00207 */ 00208 #define __HAL_GPIO_EXTI_GET_IT(__EXTI_LINE__) (EXTI->PR & (__EXTI_LINE__)) 00209 00210 /** 00211 * @brief Clears the EXTI's line pending bits. 00212 * @param __EXTI_LINE__ specifies the EXTI lines to clear. 00213 * This parameter can be any combination of GPIO_PIN_x where x can be (0..15) 00214 * @retval None 00215 */ 00216 #define __HAL_GPIO_EXTI_CLEAR_IT(__EXTI_LINE__) (EXTI->PR = (__EXTI_LINE__)) 00217 00218 /** 00219 * @brief Generates a Software interrupt on selected EXTI line. 00220 * @param __EXTI_LINE__ specifies the EXTI line to check. 00221 * This parameter can be GPIO_PIN_x where x can be(0..15) 00222 * @retval None 00223 */ 00224 #define __HAL_GPIO_EXTI_GENERATE_SWIT(__EXTI_LINE__) (EXTI->SWIER |= (__EXTI_LINE__)) 00225 /** 00226 * @} 00227 */ 00228 00229 /* Include GPIO HAL Extension module */ 00230 #include "stm32f4xx_hal_gpio_ex.h" 00231 00232 /* Exported functions --------------------------------------------------------*/ 00233 /** @addtogroup GPIO_Exported_Functions 00234 * @{ 00235 */ 00236 00237 /** @addtogroup GPIO_Exported_Functions_Group1 00238 * @{ 00239 */ 00240 /* Initialization and de-initialization functions *****************************/ 00241 void HAL_GPIO_Init(GPIO_TypeDef *GPIOx, GPIO_InitTypeDef *GPIO_Init); 00242 void HAL_GPIO_DeInit(GPIO_TypeDef *GPIOx, uint32_t GPIO_Pin); 00243 /** 00244 * @} 00245 */ 00246 00247 /** @addtogroup GPIO_Exported_Functions_Group2 00248 * @{ 00249 */ 00250 /* IO operation functions *****************************************************/ 00251 GPIO_PinState HAL_GPIO_ReadPin(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin); 00252 void HAL_GPIO_WritePin(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin, GPIO_PinState PinState); 00253 void HAL_GPIO_TogglePin(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin); 00254 HAL_StatusTypeDef HAL_GPIO_LockPin(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin); 00255 void HAL_GPIO_EXTI_IRQHandler(uint16_t GPIO_Pin); 00256 void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin); 00257 00258 /** 00259 * @} 00260 */ 00261 00262 /** 00263 * @} 00264 */ 00265 /* Private types -------------------------------------------------------------*/ 00266 /* Private variables ---------------------------------------------------------*/ 00267 /* Private constants ---------------------------------------------------------*/ 00268 /** @defgroup GPIO_Private_Constants GPIO Private Constants 00269 * @{ 00270 */ 00271 00272 /** 00273 * @} 00274 */ 00275 00276 /* Private macros ------------------------------------------------------------*/ 00277 /** @defgroup GPIO_Private_Macros GPIO Private Macros 00278 * @{ 00279 */ 00280 #define IS_GPIO_PIN_ACTION(ACTION) (((ACTION) == GPIO_PIN_RESET) || ((ACTION) == GPIO_PIN_SET)) 00281 #define IS_GPIO_PIN(PIN) ((((PIN) & GPIO_PIN_MASK ) != 0x00U) && (((PIN) & ~GPIO_PIN_MASK) == 0x00U)) 00282 #define IS_GPIO_MODE(MODE) (((MODE) == GPIO_MODE_INPUT) ||\ 00283 ((MODE) == GPIO_MODE_OUTPUT_PP) ||\ 00284 ((MODE) == GPIO_MODE_OUTPUT_OD) ||\ 00285 ((MODE) == GPIO_MODE_AF_PP) ||\ 00286 ((MODE) == GPIO_MODE_AF_OD) ||\ 00287 ((MODE) == GPIO_MODE_IT_RISING) ||\ 00288 ((MODE) == GPIO_MODE_IT_FALLING) ||\ 00289 ((MODE) == GPIO_MODE_IT_RISING_FALLING) ||\ 00290 ((MODE) == GPIO_MODE_EVT_RISING) ||\ 00291 ((MODE) == GPIO_MODE_EVT_FALLING) ||\ 00292 ((MODE) == GPIO_MODE_EVT_RISING_FALLING) ||\ 00293 ((MODE) == GPIO_MODE_ANALOG)) 00294 #define IS_GPIO_SPEED(SPEED) (((SPEED) == GPIO_SPEED_FREQ_LOW) || ((SPEED) == GPIO_SPEED_FREQ_MEDIUM) || \ 00295 ((SPEED) == GPIO_SPEED_FREQ_HIGH) || ((SPEED) == GPIO_SPEED_FREQ_VERY_HIGH)) 00296 #define IS_GPIO_PULL(PULL) (((PULL) == GPIO_NOPULL) || ((PULL) == GPIO_PULLUP) || \ 00297 ((PULL) == GPIO_PULLDOWN)) 00298 /** 00299 * @} 00300 */ 00301 00302 /* Private functions ---------------------------------------------------------*/ 00303 /** @defgroup GPIO_Private_Functions GPIO Private Functions 00304 * @{ 00305 */ 00306 00307 /** 00308 * @} 00309 */ 00310 00311 /** 00312 * @} 00313 */ 00314 00315 /** 00316 * @} 00317 */ 00318 00319 #ifdef __cplusplus 00320 } 00321 #endif 00322 00323 #endif /* __STM32F4xx_HAL_GPIO_H */ 00324 00325 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/