2 ******************************************************************************
3 * @file stm32f1xx_hal_gpio.h
4 * @author MCD Application Team
7 * @brief Header file of GPIO HAL module.
8 ******************************************************************************
11 * <h2><center>© COPYRIGHT(c) 2016 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
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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 __STM32F1xx_HAL_GPIO_H
40 #define __STM32F1xx_HAL_GPIO_H
46 /* Includes ------------------------------------------------------------------*/
47 #include "stm32f1xx_hal_def.h"
49 /** @addtogroup STM32F1xx_HAL_Driver
57 /* Exported types ------------------------------------------------------------*/
58 /** @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_define */
70 uint32_t Mode
; /*!< Specifies the operating mode for the selected pins.
71 This parameter can be a value of @ref GPIO_mode_define */
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_define */
76 uint32_t Speed
; /*!< Specifies the speed for the selected pins.
77 This parameter can be a value of @ref GPIO_speed_define */
81 * @brief GPIO Bit SET and Bit RESET enumeration
92 /* Exported constants --------------------------------------------------------*/
94 /** @defgroup GPIO_Exported_Constants GPIO Exported Constants
98 /** @defgroup GPIO_pins_define GPIO pins define
101 #define GPIO_PIN_0 ((uint16_t)0x0001) /* Pin 0 selected */
102 #define GPIO_PIN_1 ((uint16_t)0x0002) /* Pin 1 selected */
103 #define GPIO_PIN_2 ((uint16_t)0x0004) /* Pin 2 selected */
104 #define GPIO_PIN_3 ((uint16_t)0x0008) /* Pin 3 selected */
105 #define GPIO_PIN_4 ((uint16_t)0x0010) /* Pin 4 selected */
106 #define GPIO_PIN_5 ((uint16_t)0x0020) /* Pin 5 selected */
107 #define GPIO_PIN_6 ((uint16_t)0x0040) /* Pin 6 selected */
108 #define GPIO_PIN_7 ((uint16_t)0x0080) /* Pin 7 selected */
109 #define GPIO_PIN_8 ((uint16_t)0x0100) /* Pin 8 selected */
110 #define GPIO_PIN_9 ((uint16_t)0x0200) /* Pin 9 selected */
111 #define GPIO_PIN_10 ((uint16_t)0x0400) /* Pin 10 selected */
112 #define GPIO_PIN_11 ((uint16_t)0x0800) /* Pin 11 selected */
113 #define GPIO_PIN_12 ((uint16_t)0x1000) /* Pin 12 selected */
114 #define GPIO_PIN_13 ((uint16_t)0x2000) /* Pin 13 selected */
115 #define GPIO_PIN_14 ((uint16_t)0x4000) /* Pin 14 selected */
116 #define GPIO_PIN_15 ((uint16_t)0x8000) /* Pin 15 selected */
117 #define GPIO_PIN_All ((uint16_t)0xFFFF) /* All pins selected */
119 #define GPIO_PIN_MASK 0x0000FFFFU /* PIN mask for assert test */
124 /** @defgroup GPIO_mode_define GPIO mode define
125 * @brief GPIO Configuration Mode
126 * Elements values convention: 0xX0yz00YZ
127 * - X : GPIO mode or EXTI Mode
128 * - y : External IT or Event trigger detection
129 * - z : IO configuration on External IT or Event
130 * - Y : Output type (Push Pull or Open Drain)
131 * - Z : IO Direction mode (Input, Output, Alternate or Analog)
134 #define GPIO_MODE_INPUT 0x00000000U /*!< Input Floating Mode */
135 #define GPIO_MODE_OUTPUT_PP 0x00000001U /*!< Output Push Pull Mode */
136 #define GPIO_MODE_OUTPUT_OD 0x00000011U /*!< Output Open Drain Mode */
137 #define GPIO_MODE_AF_PP 0x00000002U /*!< Alternate Function Push Pull Mode */
138 #define GPIO_MODE_AF_OD 0x00000012U /*!< Alternate Function Open Drain Mode */
139 #define GPIO_MODE_AF_INPUT GPIO_MODE_INPUT /*!< Alternate Function Input Mode */
141 #define GPIO_MODE_ANALOG 0x00000003U /*!< Analog Mode */
143 #define GPIO_MODE_IT_RISING 0x10110000U /*!< External Interrupt Mode with Rising edge trigger detection */
144 #define GPIO_MODE_IT_FALLING 0x10210000U /*!< External Interrupt Mode with Falling edge trigger detection */
145 #define GPIO_MODE_IT_RISING_FALLING 0x10310000U /*!< External Interrupt Mode with Rising/Falling edge trigger detection */
147 #define GPIO_MODE_EVT_RISING 0x10120000U /*!< External Event Mode with Rising edge trigger detection */
148 #define GPIO_MODE_EVT_FALLING 0x10220000U /*!< External Event Mode with Falling edge trigger detection */
149 #define GPIO_MODE_EVT_RISING_FALLING 0x10320000U /*!< External Event Mode with Rising/Falling edge trigger detection */
155 /** @defgroup GPIO_speed_define GPIO speed define
156 * @brief GPIO Output Maximum frequency
159 #define GPIO_SPEED_FREQ_LOW (GPIO_CRL_MODE0_1) /*!< Low speed */
160 #define GPIO_SPEED_FREQ_MEDIUM (GPIO_CRL_MODE0_0) /*!< Medium speed */
161 #define GPIO_SPEED_FREQ_HIGH (GPIO_CRL_MODE0) /*!< High speed */
167 /** @defgroup GPIO_pull_define GPIO pull define
168 * @brief GPIO Pull-Up or Pull-Down Activation
171 #define GPIO_NOPULL 0x00000000U /*!< No Pull-up or Pull-down activation */
172 #define GPIO_PULLUP 0x00000001U /*!< Pull-up activation */
173 #define GPIO_PULLDOWN 0x00000002U /*!< Pull-down activation */
182 /* Exported macro ------------------------------------------------------------*/
183 /** @defgroup GPIO_Exported_Macros GPIO Exported Macros
188 * @brief Checks whether the specified EXTI line flag is set or not.
189 * @param __EXTI_LINE__: specifies the EXTI line flag to check.
190 * This parameter can be GPIO_PIN_x where x can be(0..15)
191 * @retval The new state of __EXTI_LINE__ (SET or RESET).
193 #define __HAL_GPIO_EXTI_GET_FLAG(__EXTI_LINE__) (EXTI->PR & (__EXTI_LINE__))
196 * @brief Clears the EXTI's line pending flags.
197 * @param __EXTI_LINE__: specifies the EXTI lines flags to clear.
198 * This parameter can be any combination of GPIO_PIN_x where x can be (0..15)
201 #define __HAL_GPIO_EXTI_CLEAR_FLAG(__EXTI_LINE__) (EXTI->PR = (__EXTI_LINE__))
204 * @brief Checks whether the specified EXTI line is asserted or not.
205 * @param __EXTI_LINE__: specifies the EXTI line to check.
206 * This parameter can be GPIO_PIN_x where x can be(0..15)
207 * @retval The new state of __EXTI_LINE__ (SET or RESET).
209 #define __HAL_GPIO_EXTI_GET_IT(__EXTI_LINE__) (EXTI->PR & (__EXTI_LINE__))
212 * @brief Clears the EXTI's line pending bits.
213 * @param __EXTI_LINE__: specifies the EXTI lines to clear.
214 * This parameter can be any combination of GPIO_PIN_x where x can be (0..15)
217 #define __HAL_GPIO_EXTI_CLEAR_IT(__EXTI_LINE__) (EXTI->PR = (__EXTI_LINE__))
220 * @brief Generates a Software interrupt on selected EXTI line.
221 * @param __EXTI_LINE__: specifies the EXTI line to check.
222 * This parameter can be GPIO_PIN_x where x can be(0..15)
225 #define __HAL_GPIO_EXTI_GENERATE_SWIT(__EXTI_LINE__) (EXTI->SWIER |= (__EXTI_LINE__))
230 /* Include GPIO HAL Extension module */
231 #include "stm32f1xx_hal_gpio_ex.h"
233 /* Exported functions --------------------------------------------------------*/
234 /** @addtogroup GPIO_Exported_Functions
238 /** @addtogroup GPIO_Exported_Functions_Group1
241 /* Initialization and de-initialization functions *****************************/
242 void HAL_GPIO_Init(GPIO_TypeDef
*GPIOx
, GPIO_InitTypeDef
*GPIO_Init
);
243 void HAL_GPIO_DeInit(GPIO_TypeDef
*GPIOx
, uint32_t GPIO_Pin
);
248 /** @addtogroup GPIO_Exported_Functions_Group2
251 /* IO operation functions *****************************************************/
252 GPIO_PinState
HAL_GPIO_ReadPin(GPIO_TypeDef
* GPIOx
, uint16_t GPIO_Pin
);
253 void HAL_GPIO_WritePin(GPIO_TypeDef
* GPIOx
, uint16_t GPIO_Pin
, GPIO_PinState PinState
);
254 void HAL_GPIO_TogglePin(GPIO_TypeDef
* GPIOx
, uint16_t GPIO_Pin
);
255 HAL_StatusTypeDef
HAL_GPIO_LockPin(GPIO_TypeDef
* GPIOx
, uint16_t GPIO_Pin
);
256 void HAL_GPIO_EXTI_IRQHandler(uint16_t GPIO_Pin
);
257 void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin
);
266 /* Private types -------------------------------------------------------------*/
267 /* Private variables ---------------------------------------------------------*/
268 /* Private constants ---------------------------------------------------------*/
269 /** @defgroup GPIO_Private_Constants GPIO Private Constants
277 /* Private macros ------------------------------------------------------------*/
278 /** @defgroup GPIO_Private_Macros GPIO Private Macros
281 #define IS_GPIO_PIN_ACTION(ACTION) (((ACTION) == GPIO_PIN_RESET) || ((ACTION) == GPIO_PIN_SET))
282 #define IS_GPIO_PIN(PIN) ((((PIN) & GPIO_PIN_MASK ) != 0x00U) && (((PIN) & ~GPIO_PIN_MASK) == 0x00U))
283 #define IS_GPIO_MODE(MODE) (((MODE) == GPIO_MODE_INPUT) ||\
284 ((MODE) == GPIO_MODE_OUTPUT_PP) ||\
285 ((MODE) == GPIO_MODE_OUTPUT_OD) ||\
286 ((MODE) == GPIO_MODE_AF_PP) ||\
287 ((MODE) == GPIO_MODE_AF_OD) ||\
288 ((MODE) == GPIO_MODE_IT_RISING) ||\
289 ((MODE) == GPIO_MODE_IT_FALLING) ||\
290 ((MODE) == GPIO_MODE_IT_RISING_FALLING) ||\
291 ((MODE) == GPIO_MODE_EVT_RISING) ||\
292 ((MODE) == GPIO_MODE_EVT_FALLING) ||\
293 ((MODE) == GPIO_MODE_EVT_RISING_FALLING) ||\
294 ((MODE) == GPIO_MODE_ANALOG))
295 #define IS_GPIO_SPEED(SPEED) (((SPEED) == GPIO_SPEED_FREQ_LOW) || \
296 ((SPEED) == GPIO_SPEED_FREQ_MEDIUM) || ((SPEED) == GPIO_SPEED_FREQ_HIGH))
297 #define IS_GPIO_PULL(PULL) (((PULL) == GPIO_NOPULL) || ((PULL) == GPIO_PULLUP) || \
298 ((PULL) == GPIO_PULLDOWN))
303 /* Private functions ---------------------------------------------------------*/
304 /** @defgroup GPIO_Private_Functions GPIO Private Functions
324 #endif /* __STM32F1xx_HAL_GPIO_H */
326 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/