1 /**
2   ******************************************************************************
3   * @file    stm32f3xx_hal_gpio.h
4   * @author  MCD Application Team
5   * @brief   Header file of GPIO HAL module.
6   ******************************************************************************
7   * @attention
8   *
9   * Copyright (c) 2016 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 __STM32F3xx_HAL_GPIO_H
21 #define __STM32F3xx_HAL_GPIO_H
22 
23 #ifdef __cplusplus
24  extern "C" {
25 #endif
26 
27 /* Includes ------------------------------------------------------------------*/
28 #include "stm32f3xx_hal_def.h"
29 
30 /** @addtogroup STM32F3xx_HAL_Driver
31   * @{
32   */
33 
34 /** @addtogroup GPIO
35   * @{
36   */
37 
38 /* Exported types ------------------------------------------------------------*/
39 
40 /** @defgroup GPIO_Exported_Types GPIO Exported Types
41   * @{
42   */
43 /**
44   * @brief   GPIO Init structure definition
45   */
46 typedef struct
47 {
48   uint32_t Pin;        /*!< Specifies the GPIO pins to be configured.
49                            This parameter can be any value of @ref GPIO_pins */
50 
51   uint32_t Mode;       /*!< Specifies the operating mode for the selected pins.
52                            This parameter can be a value of @ref GPIO_mode */
53 
54   uint32_t Pull;       /*!< Specifies the Pull-up or Pull-Down activation for the selected pins.
55                            This parameter can be a value of @ref GPIO_pull */
56 
57   uint32_t Speed;      /*!< Specifies the speed for the selected pins.
58                            This parameter can be a value of @ref GPIO_speed */
59 
60   uint32_t Alternate;  /*!< Peripheral to be connected to the selected pins
61                             This parameter can be a value of @ref GPIOEx_Alternate_function_selection */
62 }GPIO_InitTypeDef;
63 
64 /**
65   * @brief  GPIO Bit SET and Bit RESET enumeration
66   */
67 typedef enum
68 {
69   GPIO_PIN_RESET = 0U,
70   GPIO_PIN_SET
71 }GPIO_PinState;
72 /**
73   * @}
74   */
75 
76 /* Exported constants --------------------------------------------------------*/
77 /** @defgroup GPIO_Exported_Constants GPIO Exported Constants
78   * @{
79   */
80 /** @defgroup GPIO_pins GPIO pins
81   * @{
82   */
83 #define GPIO_PIN_0                 ((uint16_t)0x0001U)  /* Pin 0 selected    */
84 #define GPIO_PIN_1                 ((uint16_t)0x0002U)  /* Pin 1 selected    */
85 #define GPIO_PIN_2                 ((uint16_t)0x0004U)  /* Pin 2 selected    */
86 #define GPIO_PIN_3                 ((uint16_t)0x0008U)  /* Pin 3 selected    */
87 #define GPIO_PIN_4                 ((uint16_t)0x0010U)  /* Pin 4 selected    */
88 #define GPIO_PIN_5                 ((uint16_t)0x0020U)  /* Pin 5 selected    */
89 #define GPIO_PIN_6                 ((uint16_t)0x0040U)  /* Pin 6 selected    */
90 #define GPIO_PIN_7                 ((uint16_t)0x0080U)  /* Pin 7 selected    */
91 #define GPIO_PIN_8                 ((uint16_t)0x0100U)  /* Pin 8 selected    */
92 #define GPIO_PIN_9                 ((uint16_t)0x0200U)  /* Pin 9 selected    */
93 #define GPIO_PIN_10                ((uint16_t)0x0400U)  /* Pin 10 selected   */
94 #define GPIO_PIN_11                ((uint16_t)0x0800U)  /* Pin 11 selected   */
95 #define GPIO_PIN_12                ((uint16_t)0x1000U)  /* Pin 12 selected   */
96 #define GPIO_PIN_13                ((uint16_t)0x2000U)  /* Pin 13 selected   */
97 #define GPIO_PIN_14                ((uint16_t)0x4000U)  /* Pin 14 selected   */
98 #define GPIO_PIN_15                ((uint16_t)0x8000U)  /* Pin 15 selected   */
99 #define GPIO_PIN_All               ((uint16_t)0xFFFFU)  /* All pins selected */
100 
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 
121 #define  GPIO_MODE_ANALOG                       MODE_ANALOG                                                 /*!< Analog Mode  */
122 
123 #define  GPIO_MODE_IT_RISING                    (MODE_INPUT | EXTI_IT | TRIGGER_RISING)                     /*!< External Interrupt Mode with Rising edge trigger detection          */
124 #define  GPIO_MODE_IT_FALLING                   (MODE_INPUT | EXTI_IT | TRIGGER_FALLING)                    /*!< External Interrupt Mode with Falling edge trigger detection         */
125 #define  GPIO_MODE_IT_RISING_FALLING            (MODE_INPUT | EXTI_IT | TRIGGER_RISING | TRIGGER_FALLING)   /*!< External Interrupt Mode with Rising/Falling edge trigger detection  */
126 
127 #define  GPIO_MODE_EVT_RISING                   (MODE_INPUT | EXTI_EVT | TRIGGER_RISING)                     /*!< External Event Mode with Rising edge trigger detection             */
128 #define  GPIO_MODE_EVT_FALLING                  (MODE_INPUT | EXTI_EVT | TRIGGER_FALLING)                    /*!< External Event Mode with Falling edge trigger detection            */
129 #define  GPIO_MODE_EVT_RISING_FALLING           (MODE_INPUT | EXTI_EVT | TRIGGER_RISING | TRIGGER_FALLING)   /*!< External Event Mode with Rising/Falling edge trigger detection     */
130 /**
131   * @}
132   */
133 
134 /** @defgroup GPIO_speed GPIO speed
135   * @brief GPIO Output Maximum frequency
136   * @{
137   */
138 #define  GPIO_SPEED_FREQ_LOW      (0x00000000U)  /*!< range up to 2 MHz, please refer to the product datasheet */
139 #define  GPIO_SPEED_FREQ_MEDIUM   (0x00000001U)  /*!< range  4 MHz to 10 MHz, please refer to the product datasheet */
140 #define  GPIO_SPEED_FREQ_HIGH     (0x00000003U)  /*!< range 10 MHz to 50 MHz, please refer to the product datasheet */
141 /**
142   * @}
143   */
144 
145  /** @defgroup GPIO_pull GPIO pull
146    * @brief GPIO Pull-Up or Pull-Down Activation
147    * @{
148    */
149 #define  GPIO_NOPULL        (0x00000000U)   /*!< No Pull-up or Pull-down activation  */
150 #define  GPIO_PULLUP        (0x00000001U)   /*!< Pull-up activation                  */
151 #define  GPIO_PULLDOWN      (0x00000002U)   /*!< Pull-down activation                */
152 /**
153   * @}
154   */
155 
156 /**
157   * @}
158   */
159 
160 /* Exported macro ------------------------------------------------------------*/
161 /** @defgroup GPIO_Exported_Macros GPIO Exported Macros
162   * @{
163   */
164 
165 /**
166   * @brief  Check whether the specified EXTI line flag is set or not.
167   * @param  __EXTI_LINE__ specifies the EXTI line flag to check.
168   *         This parameter can be GPIO_PIN_x where x can be(0..15)
169   * @retval The new state of __EXTI_LINE__ (SET or RESET).
170   */
171 #define __HAL_GPIO_EXTI_GET_FLAG(__EXTI_LINE__)       (EXTI->PR & (__EXTI_LINE__))
172 
173 /**
174   * @brief  Clear the EXTI's line pending flags.
175   * @param  __EXTI_LINE__ specifies the EXTI lines flags to clear.
176   *         This parameter can be any combination of GPIO_PIN_x where x can be (0..15)
177   * @retval None
178   */
179 #define __HAL_GPIO_EXTI_CLEAR_FLAG(__EXTI_LINE__)     (EXTI->PR = (__EXTI_LINE__))
180 
181 /**
182   * @brief  Check whether the specified EXTI line is asserted or not.
183   * @param  __EXTI_LINE__ specifies the EXTI line to check.
184   *          This parameter can be GPIO_PIN_x where x can be(0..15)
185   * @retval The new state of __EXTI_LINE__ (SET or RESET).
186   */
187 #define __HAL_GPIO_EXTI_GET_IT(__EXTI_LINE__)         (EXTI->PR & (__EXTI_LINE__))
188 
189 /**
190   * @brief  Clear the EXTI's line pending bits.
191   * @param  __EXTI_LINE__ specifies the EXTI lines to clear.
192   *          This parameter can be any combination of GPIO_PIN_x where x can be (0..15)
193   * @retval None
194   */
195 #define __HAL_GPIO_EXTI_CLEAR_IT(__EXTI_LINE__)       (EXTI->PR = (__EXTI_LINE__))
196 
197 /**
198   * @brief  Generate a Software interrupt on selected EXTI line.
199   * @param  __EXTI_LINE__ specifies the EXTI line to check.
200   *          This parameter can be GPIO_PIN_x where x can be(0..15)
201   * @retval None
202   */
203 #define __HAL_GPIO_EXTI_GENERATE_SWIT(__EXTI_LINE__)  (EXTI->SWIER |= (__EXTI_LINE__))
204 
205 /**
206   * @}
207   */
208 
209 /* Private macros ------------------------------------------------------------*/
210 /** @defgroup GPIO_Private_Constants GPIO Private Constants
211   * @{
212   */
213 #define GPIO_MODE_Pos                           0u
214 #define GPIO_MODE                               (0x3uL << GPIO_MODE_Pos)
215 #define MODE_INPUT                              (0x0uL << GPIO_MODE_Pos)
216 #define MODE_OUTPUT                             (0x1uL << GPIO_MODE_Pos)
217 #define MODE_AF                                 (0x2uL << GPIO_MODE_Pos)
218 #define MODE_ANALOG                             (0x3uL << GPIO_MODE_Pos)
219 #define OUTPUT_TYPE_Pos                         4u
220 #define OUTPUT_TYPE                             (0x1uL << OUTPUT_TYPE_Pos)
221 #define OUTPUT_PP                               (0x0uL << OUTPUT_TYPE_Pos)
222 #define OUTPUT_OD                               (0x1uL << OUTPUT_TYPE_Pos)
223 #define EXTI_MODE_Pos                           16u
224 #define EXTI_MODE                               (0x3uL << EXTI_MODE_Pos)
225 #define EXTI_IT                                 (0x1uL << EXTI_MODE_Pos)
226 #define EXTI_EVT                                (0x2uL << EXTI_MODE_Pos)
227 #define TRIGGER_MODE_Pos                         20u
228 #define TRIGGER_MODE                            (0x7uL << TRIGGER_MODE_Pos)
229 #define TRIGGER_RISING                          (0x1uL << TRIGGER_MODE_Pos)
230 #define TRIGGER_FALLING                         (0x2uL << TRIGGER_MODE_Pos)
231 #define TRIGGER_LEVEL                           (0x4uL << TRIGGER_MODE_Pos)
232 /**
233   * @}
234   */
235 
236 /** @addtogroup GPIO_Private_Macros GPIO Private Macros
237   * @{
238   */
239 #define IS_GPIO_PIN_ACTION(ACTION)  (((ACTION) == GPIO_PIN_RESET) || ((ACTION) == GPIO_PIN_SET))
240 
241 #define IS_GPIO_PIN(__PIN__)        (((((uint32_t)__PIN__) & GPIO_PIN_MASK) != 0x00U) &&\
242                                      ((((uint32_t)__PIN__) & ~GPIO_PIN_MASK) == 0x00U))
243 
244 #define IS_GPIO_MODE(__MODE__)      (((__MODE__) == GPIO_MODE_INPUT)              ||\
245                                      ((__MODE__) == GPIO_MODE_OUTPUT_PP)          ||\
246                                      ((__MODE__) == GPIO_MODE_OUTPUT_OD)          ||\
247                                      ((__MODE__) == GPIO_MODE_AF_PP)              ||\
248                                      ((__MODE__) == GPIO_MODE_AF_OD)              ||\
249                                      ((__MODE__) == GPIO_MODE_IT_RISING)          ||\
250                                      ((__MODE__) == GPIO_MODE_IT_FALLING)         ||\
251                                      ((__MODE__) == GPIO_MODE_IT_RISING_FALLING)  ||\
252                                      ((__MODE__) == GPIO_MODE_EVT_RISING)         ||\
253                                      ((__MODE__) == GPIO_MODE_EVT_FALLING)        ||\
254                                      ((__MODE__) == GPIO_MODE_EVT_RISING_FALLING) ||\
255                                      ((__MODE__) == GPIO_MODE_ANALOG))
256 
257 #define IS_GPIO_SPEED(__SPEED__)    (((__SPEED__) == GPIO_SPEED_FREQ_LOW)    ||\
258                                      ((__SPEED__) == GPIO_SPEED_FREQ_MEDIUM) ||\
259                                      ((__SPEED__) == GPIO_SPEED_FREQ_HIGH))
260 
261 #define IS_GPIO_PULL(__PULL__)      (((__PULL__) == GPIO_NOPULL)   ||\
262                                      ((__PULL__) == GPIO_PULLUP)   || \
263                                      ((__PULL__) == GPIO_PULLDOWN))
264 /**
265   * @}
266   */
267 
268 /* Include GPIO HAL Extended module */
269 #include "stm32f3xx_hal_gpio_ex.h"
270 
271 /* Exported functions --------------------------------------------------------*/
272 /** @addtogroup GPIO_Exported_Functions GPIO Exported Functions
273   * @{
274   */
275 
276 /** @addtogroup GPIO_Exported_Functions_Group1 Initialization/de-initialization functions
277  *  @brief    Initialization and Configuration functions
278  * @{
279  */
280 
281 /* Initialization and de-initialization functions *****************************/
282 void              HAL_GPIO_Init(GPIO_TypeDef  *GPIOx, GPIO_InitTypeDef *GPIO_Init);
283 void              HAL_GPIO_DeInit(GPIO_TypeDef  *GPIOx, uint32_t GPIO_Pin);
284 
285 /**
286   * @}
287   */
288 
289 /** @addtogroup GPIO_Exported_Functions_Group2 IO operation functions
290  * @{
291  */
292 
293 /* IO operation functions *****************************************************/
294 GPIO_PinState     HAL_GPIO_ReadPin(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin);
295 void              HAL_GPIO_WritePin(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin, GPIO_PinState PinState);
296 void              HAL_GPIO_TogglePin(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin);
297 HAL_StatusTypeDef HAL_GPIO_LockPin(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin);
298 void              HAL_GPIO_EXTI_IRQHandler(uint16_t GPIO_Pin);
299 void              HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin);
300 
301 /**
302   * @}
303   */
304 
305 /**
306   * @}
307   */
308 
309 /**
310   * @}
311   */
312 
313 /**
314   * @}
315   */
316 
317 #ifdef __cplusplus
318 }
319 #endif
320 
321 #endif /* __STM32F3xx_HAL_GPIO_H */
322 
323 
324