2 ******************************************************************************
3 * @file stm32f0xx_hal_gpio.h
4 * @author MCD Application Team
6 * @date 11-December-2014
7 * @brief Header file of GPIO HAL module.
8 ******************************************************************************
11 * <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
13 * Redistribution and use in source and binary forms, with or without modification,
14 * are permitted provided that the following conditions are met:
15 * 1. Redistributions of source code must retain the above copyright notice,
16 * this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright notice,
18 * this list of conditions and the following disclaimer in the documentation
19 * and/or other materials provided with the distribution.
20 * 3. Neither the name of STMicroelectronics nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
27 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
31 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
32 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35 ******************************************************************************
38 /* Define to prevent recursive inclusion -------------------------------------*/
39 #ifndef __STM32F0xx_HAL_GPIO_H
40 #define __STM32F0xx_HAL_GPIO_H
46 /* Includes ------------------------------------------------------------------*/
47 #include "stm32f0xx_hal_def.h"
49 /** @addtogroup STM32F0xx_HAL_Driver
57 /* Exported types ------------------------------------------------------------*/
59 /** @defgroup GPIO_Exported_Types GPIO Exported Types
63 * @brief GPIO Init structure definition
67 uint32_t Pin; /*!< Specifies the GPIO pins to be configured.
68 This parameter can be any value of @ref GPIO_pins */
70 uint32_t Mode; /*!< Specifies the operating mode for the selected pins.
71 This parameter can be a value of @ref GPIO_mode */
73 uint32_t Pull; /*!< Specifies the Pull-up or Pull-Down activation for the selected pins.
74 This parameter can be a value of @ref GPIO_pull */
76 uint32_t Speed; /*!< Specifies the speed for the selected pins.
77 This parameter can be a value of @ref GPIO_speed */
79 uint32_t Alternate; /*!< Peripheral to be connected to the selected pins
80 This parameter can be a value of @ref GPIOEx_Alternate_function_selection */
84 * @brief GPIO Bit SET and Bit RESET enumeration
95 /* Exported constants --------------------------------------------------------*/
97 /** @defgroup GPIO_Exported_Constants GPIO Exported Constants
101 /** @defgroup GPIO_pin_actions GPIO pin actions
104 #define IS_GPIO_PIN_ACTION(ACTION) (((ACTION) == GPIO_PIN_RESET) || ((ACTION) == GPIO_PIN_SET))
109 /** @defgroup GPIO_pins GPIO pins
112 #define GPIO_PIN_0 ((uint16_t)0x0001) /* Pin 0 selected */
113 #define GPIO_PIN_1 ((uint16_t)0x0002) /* Pin 1 selected */
114 #define GPIO_PIN_2 ((uint16_t)0x0004) /* Pin 2 selected */
115 #define GPIO_PIN_3 ((uint16_t)0x0008) /* Pin 3 selected */
116 #define GPIO_PIN_4 ((uint16_t)0x0010) /* Pin 4 selected */
117 #define GPIO_PIN_5 ((uint16_t)0x0020) /* Pin 5 selected */
118 #define GPIO_PIN_6 ((uint16_t)0x0040) /* Pin 6 selected */
119 #define GPIO_PIN_7 ((uint16_t)0x0080) /* Pin 7 selected */
120 #define GPIO_PIN_8 ((uint16_t)0x0100) /* Pin 8 selected */
121 #define GPIO_PIN_9 ((uint16_t)0x0200) /* Pin 9 selected */
122 #define GPIO_PIN_10 ((uint16_t)0x0400) /* Pin 10 selected */
123 #define GPIO_PIN_11 ((uint16_t)0x0800) /* Pin 11 selected */
124 #define GPIO_PIN_12 ((uint16_t)0x1000) /* Pin 12 selected */
125 #define GPIO_PIN_13 ((uint16_t)0x2000) /* Pin 13 selected */
126 #define GPIO_PIN_14 ((uint16_t)0x4000) /* Pin 14 selected */
127 #define GPIO_PIN_15 ((uint16_t)0x8000) /* Pin 15 selected */
128 #define GPIO_PIN_All ((uint16_t)0xFFFF) /* All pins selected */
130 #define GPIO_PIN_MASK ((uint32_t)0x0000FFFF) /* PIN mask for assert test */
132 #define IS_GPIO_PIN(PIN) (((PIN) & GPIO_PIN_MASK) != (uint32_t)0x00)
137 /** @defgroup GPIO_mode GPIO mode
138 * @brief GPIO Configuration Mode
139 * Elements values convention: 0xX0yz00YZ
140 * - X : GPIO mode or EXTI Mode
141 * - y : External IT or Event trigger detection
142 * - z : IO configuration on External IT or Event
143 * - Y : Output type (Push Pull or Open Drain)
144 * - Z : IO Direction mode (Input, Output, Alternate or Analog)
147 #define GPIO_MODE_INPUT ((uint32_t)0x00000000) /*!< Input Floating Mode */
148 #define GPIO_MODE_OUTPUT_PP ((uint32_t)0x00000001) /*!< Output Push Pull Mode */
149 #define GPIO_MODE_OUTPUT_OD ((uint32_t)0x00000011) /*!< Output Open Drain Mode */
150 #define GPIO_MODE_AF_PP ((uint32_t)0x00000002) /*!< Alternate Function Push Pull Mode */
151 #define GPIO_MODE_AF_OD ((uint32_t)0x00000012) /*!< Alternate Function Open Drain Mode */
153 #define GPIO_MODE_ANALOG ((uint32_t)0x00000003) /*!< Analog Mode */
155 #define GPIO_MODE_IT_RISING ((uint32_t)0x10110000) /*!< External Interrupt Mode with Rising edge trigger detection */
156 #define GPIO_MODE_IT_FALLING ((uint32_t)0x10210000) /*!< External Interrupt Mode with Falling edge trigger detection */
157 #define GPIO_MODE_IT_RISING_FALLING ((uint32_t)0x10310000) /*!< External Interrupt Mode with Rising/Falling edge trigger detection */
159 #define GPIO_MODE_EVT_RISING ((uint32_t)0x10120000) /*!< External Event Mode with Rising edge trigger detection */
160 #define GPIO_MODE_EVT_FALLING ((uint32_t)0x10220000) /*!< External Event Mode with Falling edge trigger detection */
161 #define GPIO_MODE_EVT_RISING_FALLING ((uint32_t)0x10320000) /*!< External Event Mode with Rising/Falling edge trigger detection */
163 #define IS_GPIO_MODE(MODE) (((MODE) == GPIO_MODE_INPUT) ||\
164 ((MODE) == GPIO_MODE_OUTPUT_PP) ||\
165 ((MODE) == GPIO_MODE_OUTPUT_OD) ||\
166 ((MODE) == GPIO_MODE_AF_PP) ||\
167 ((MODE) == GPIO_MODE_AF_OD) ||\
168 ((MODE) == GPIO_MODE_IT_RISING) ||\
169 ((MODE) == GPIO_MODE_IT_FALLING) ||\
170 ((MODE) == GPIO_MODE_IT_RISING_FALLING) ||\
171 ((MODE) == GPIO_MODE_EVT_RISING) ||\
172 ((MODE) == GPIO_MODE_EVT_FALLING) ||\
173 ((MODE) == GPIO_MODE_EVT_RISING_FALLING) ||\
174 ((MODE) == GPIO_MODE_ANALOG))
180 /** @defgroup GPIO_speed GPIO speed
181 * @brief GPIO Output Maximum frequency
184 #define GPIO_SPEED_LOW ((uint32_t)0x00000000) /*!< Low speed */
185 #define GPIO_SPEED_MEDIUM ((uint32_t)0x00000001) /*!< Medium speed */
186 #define GPIO_SPEED_HIGH ((uint32_t)0x00000003) /*!< High speed */
188 #define IS_GPIO_SPEED(SPEED) (((SPEED) == GPIO_SPEED_LOW) || ((SPEED) == GPIO_SPEED_MEDIUM) || \
189 ((SPEED) == GPIO_SPEED_HIGH))
194 /** @defgroup GPIO_pull GPIO pull
195 * @brief GPIO Pull-Up or Pull-Down Activation
198 #define GPIO_NOPULL ((uint32_t)0x00000000) /*!< No Pull-up or Pull-down activation */
199 #define GPIO_PULLUP ((uint32_t)0x00000001) /*!< Pull-up activation */
200 #define GPIO_PULLDOWN ((uint32_t)0x00000002) /*!< Pull-down activation */
202 #define IS_GPIO_PULL(PULL) (((PULL) == GPIO_NOPULL) || ((PULL) == GPIO_PULLUP) || \
203 ((PULL) == GPIO_PULLDOWN))
212 /* Exported macro ------------------------------------------------------------*/
214 /** @defgroup GPIO_Exported_Macros GPIO Exported Macros
219 * @brief Checks whether the specified EXTI line flag is set or not.
220 * @param __EXTI_LINE__: specifies the EXTI line flag to check.
221 * This parameter can be GPIO_PIN_x where x can be(0..15)
222 * @retval The new state of __EXTI_LINE__ (SET or RESET).
224 #define __HAL_GPIO_EXTI_GET_FLAG(__EXTI_LINE__) (EXTI->PR & (__EXTI_LINE__))
227 * @brief Clears the EXTI's line pending flags.
228 * @param __EXTI_LINE__: specifies the EXTI lines flags to clear.
229 * This parameter can be any combination of GPIO_PIN_x where x can be (0..15)
232 #define __HAL_GPIO_EXTI_CLEAR_FLAG(__EXTI_LINE__) (EXTI->PR = (__EXTI_LINE__))
235 * @brief Checks whether the specified EXTI line is asserted or not.
236 * @param __EXTI_LINE__: specifies the EXTI line to check.
237 * This parameter can be GPIO_PIN_x where x can be(0..15)
238 * @retval The new state of __EXTI_LINE__ (SET or RESET).
240 #define __HAL_GPIO_EXTI_GET_IT(__EXTI_LINE__) (EXTI->PR & (__EXTI_LINE__))
243 * @brief Clears the EXTI's line pending bits.
244 * @param __EXTI_LINE__: specifies the EXTI lines to clear.
245 * This parameter can be any combination of GPIO_PIN_x where x can be (0..15)
248 #define __HAL_GPIO_EXTI_CLEAR_IT(__EXTI_LINE__) (EXTI->PR = (__EXTI_LINE__))
251 * @brief Generates a Software interrupt on selected EXTI line.
252 * @param __EXTI_LINE__: specifies the EXTI line to check.
253 * This parameter can be GPIO_PIN_x where x can be(0..15)
256 #define __HAL_GPIO_EXTI_GENERATE_SWIT(__EXTI_LINE__) (EXTI->SWIER |= (__EXTI_LINE__))
262 /* Include GPIO HAL Extension module */
263 #include "stm32f0xx_hal_gpio_ex.h"
265 /* Exported functions --------------------------------------------------------*/
266 /** @addtogroup GPIO_Exported_Functions GPIO Exported Functions
270 /** @addtogroup GPIO_Exported_Functions_Group1 Initialization/de-initialization functions
271 * @brief Initialization and Configuration functions
275 /* Initialization and de-initialization functions *****************************/
276 void HAL_GPIO_Init(GPIO_TypeDef *GPIOx, GPIO_InitTypeDef *GPIO_Init);
277 void HAL_GPIO_DeInit(GPIO_TypeDef *GPIOx, uint32_t GPIO_Pin);
283 /** @addtogroup GPIO_Exported_Functions_Group2 IO operation functions
287 /* IO operation functions *****************************************************/
288 GPIO_PinState HAL_GPIO_ReadPin(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin);
289 void HAL_GPIO_WritePin(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin, GPIO_PinState PinState);
290 void HAL_GPIO_TogglePin(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin);
291 HAL_StatusTypeDef HAL_GPIO_LockPin(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin);
292 void HAL_GPIO_EXTI_IRQHandler(uint16_t GPIO_Pin);
293 void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin);
315 #endif /* __STM32F0xx_HAL_GPIO_H */
317 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/