1 /**
2   ******************************************************************************
3   * @file    stm32l5xx_hal_gpio.h
4   * @author  MCD Application Team
5   * @brief   Header file of GPIO HAL module.
6   ******************************************************************************
7   * @attention
8   *
9   * <h2><center>&copy; Copyright (c) 2019 STMicroelectronics.
10   * All rights reserved.</center></h2>
11   *
12   * This software component is licensed by ST under BSD 3-Clause license,
13   * the "License"; You may not use this file except in compliance with the
14   * License. You may obtain a copy of the License at:
15   *                        opensource.org/licenses/BSD-3-Clause
16   *
17   ******************************************************************************
18   */
19 
20 /* Define to prevent recursive inclusion -------------------------------------*/
21 #ifndef STM32L5xx_HAL_GPIO_H
22 #define STM32L5xx_HAL_GPIO_H
23 
24 #ifdef __cplusplus
25 extern "C" {
26 #endif
27 
28 /* Includes ------------------------------------------------------------------*/
29 #include "stm32l5xx_hal_def.h"
30 
31 /** @addtogroup STM32L5xx_HAL_Driver
32   * @{
33   */
34 
35 /** @defgroup GPIO GPIO
36   * @brief GPIO HAL module driver
37   * @{
38   */
39 
40 /* Exported types ------------------------------------------------------------*/
41 
42 /** @defgroup GPIO_Exported_Types GPIO Exported Types
43   * @{
44   */
45 /**
46   * @brief   GPIO Init structure definition
47   */
48 typedef struct
49 {
50   uint32_t Pin;        /*!< Specifies the GPIO pins to be configured.
51                            This parameter can be any value of @ref GPIO_pins */
52 
53   uint32_t Mode;       /*!< Specifies the operating mode for the selected pins.
54                            This parameter can be a value of @ref GPIO_mode */
55 
56   uint32_t Pull;       /*!< Specifies the Pull-up or Pull-Down activation for the selected pins.
57                            This parameter can be a value of @ref GPIO_pull */
58 
59   uint32_t Speed;      /*!< Specifies the speed for the selected pins.
60                            This parameter can be a value of @ref GPIO_speed */
61 
62   uint32_t Alternate;  /*!< Peripheral to be connected to the selected pins
63                             This parameter can be a value of @ref GPIOEx_Alternate_function_selection */
64 } GPIO_InitTypeDef;
65 
66 /**
67   * @brief  GPIO Bit SET and Bit RESET enumeration
68   */
69 typedef enum
70 {
71   GPIO_PIN_RESET = 0U,
72   GPIO_PIN_SET
73 } GPIO_PinState;
74 /**
75   * @}
76   */
77 
78 /* Exported constants --------------------------------------------------------*/
79 /** @defgroup GPIO_Exported_Constants GPIO Exported Constants
80   * @{
81   */
82 /** @defgroup GPIO_pins GPIO pins
83   * @{
84   */
85 #define GPIO_PIN_0                 ((uint16_t)0x0001)  /* Pin 0 selected    */
86 #define GPIO_PIN_1                 ((uint16_t)0x0002)  /* Pin 1 selected    */
87 #define GPIO_PIN_2                 ((uint16_t)0x0004)  /* Pin 2 selected    */
88 #define GPIO_PIN_3                 ((uint16_t)0x0008)  /* Pin 3 selected    */
89 #define GPIO_PIN_4                 ((uint16_t)0x0010)  /* Pin 4 selected    */
90 #define GPIO_PIN_5                 ((uint16_t)0x0020)  /* Pin 5 selected    */
91 #define GPIO_PIN_6                 ((uint16_t)0x0040)  /* Pin 6 selected    */
92 #define GPIO_PIN_7                 ((uint16_t)0x0080)  /* Pin 7 selected    */
93 #define GPIO_PIN_8                 ((uint16_t)0x0100)  /* Pin 8 selected    */
94 #define GPIO_PIN_9                 ((uint16_t)0x0200)  /* Pin 9 selected    */
95 #define GPIO_PIN_10                ((uint16_t)0x0400)  /* Pin 10 selected   */
96 #define GPIO_PIN_11                ((uint16_t)0x0800)  /* Pin 11 selected   */
97 #define GPIO_PIN_12                ((uint16_t)0x1000)  /* Pin 12 selected   */
98 #define GPIO_PIN_13                ((uint16_t)0x2000)  /* Pin 13 selected   */
99 #define GPIO_PIN_14                ((uint16_t)0x4000)  /* Pin 14 selected   */
100 #define GPIO_PIN_15                ((uint16_t)0x8000)  /* Pin 15 selected   */
101 #define GPIO_PIN_All               ((uint16_t)0xFFFF)  /* All pins selected */
102 
103 #define GPIO_PIN_MASK              (0x0000FFFFU) /* PIN mask for assert test */
104 /**
105   * @}
106   */
107 
108 /** @defgroup GPIO_mode GPIO mode
109   * @brief GPIO Configuration Mode
110   *        Elements values convention: 0xX0yz00YZ
111   *           - X  : GPIO mode or EXTI Mode
112   *           - y  : External IT or Event trigger detection
113   *           - z  : IO configuration on External IT or Event
114   *           - Y  : Output type (Push Pull or Open Drain)
115   *           - Z  : IO Direction mode (Input, Output, Alternate or Analog)
116   * @{
117   */
118 #define  GPIO_MODE_INPUT                        (0x00000000U)   /*!< Input Floating Mode                   */
119 #define  GPIO_MODE_OUTPUT_PP                    (0x00000001U)   /*!< Output Push Pull Mode                 */
120 #define  GPIO_MODE_OUTPUT_OD                    (0x00000011U)   /*!< Output Open Drain Mode                */
121 #define  GPIO_MODE_AF_PP                        (0x00000002U)   /*!< Alternate Function Push Pull Mode     */
122 #define  GPIO_MODE_AF_OD                        (0x00000012U)   /*!< Alternate Function Open Drain Mode    */
123 #define  GPIO_MODE_ANALOG                       (0x00000003U)   /*!< Analog Mode  */
124 #define  GPIO_MODE_IT_RISING                    (0x10110000U)   /*!< External Interrupt Mode with Rising edge trigger detection          */
125 #define  GPIO_MODE_IT_FALLING                   (0x10210000U)   /*!< External Interrupt Mode with Falling edge trigger detection         */
126 #define  GPIO_MODE_IT_RISING_FALLING            (0x10310000U)   /*!< External Interrupt Mode with Rising/Falling edge trigger detection  */
127 #define  GPIO_MODE_EVT_RISING                   (0x10120000U)   /*!< External Event Mode with Rising edge trigger detection               */
128 #define  GPIO_MODE_EVT_FALLING                  (0x10220000U)   /*!< External Event Mode with Falling edge trigger detection              */
129 #define  GPIO_MODE_EVT_RISING_FALLING           (0x10320000U)   /*!< 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 5 MHz, please refer to the product datasheet */
139 #define  GPIO_SPEED_FREQ_MEDIUM     (0x00000001U)   /*!< range  5 MHz to 25 MHz, please refer to the product datasheet */
140 #define  GPIO_SPEED_FREQ_HIGH       (0x00000002U)   /*!< range 25 MHz to 50 MHz, please refer to the product datasheet */
141 #define  GPIO_SPEED_FREQ_VERY_HIGH  (0x00000003U)   /*!< range 50 MHz to 80 MHz, please refer to the product datasheet */
142 /**
143   * @}
144   */
145 
146 /** @defgroup GPIO_pull GPIO pull
147   * @brief GPIO Pull-Up or Pull-Down Activation
148   * @{
149   */
150 #define  GPIO_NOPULL        (0x00000000U)   /*!< No Pull-up or Pull-down activation  */
151 #define  GPIO_PULLUP        (0x00000001U)   /*!< Pull-up activation                  */
152 #define  GPIO_PULLDOWN      (0x00000002U)   /*!< Pull-down activation                */
153 /**
154   * @}
155   */
156 
157 #if defined (__ARM_FEATURE_CMSE) && (__ARM_FEATURE_CMSE == 3U)
158 
159 /** @defgroup GPIO_attributes GPIO attributes
160   * @brief GPIO pin secure or non-secure attributes
161   * @{
162   */
163 #define  GPIO_PIN_SEC       (0x00000001U)   /*!< Secure pin attribute      */
164 #define  GPIO_PIN_NSEC      (0x00000000U)   /*!< Non-secure pin attribute  */
165 /**
166   * @}
167   */
168 
169 #endif /* __ARM_FEATURE_CMSE */
170 /**
171   * @}
172   */
173 
174 /* Exported macro ------------------------------------------------------------*/
175 /** @defgroup GPIO_Exported_Macros GPIO Exported Macros
176   * @{
177   */
178 
179 /**
180   * @brief  Check whether the specified EXTI line is rising 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_RISING_IT(__EXTI_LINE__)         (EXTI->RPR1 & (__EXTI_LINE__))
186 
187 /**
188   * @brief  Clear the EXTI line rising 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_RISING_IT(__EXTI_LINE__)       (EXTI->RPR1 = (__EXTI_LINE__))
194 
195 /**
196   * @brief  Check whether the specified EXTI line is falling edge 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_FALLING_IT(__EXTI_LINE__)        (EXTI->FPR1 & (__EXTI_LINE__))
202 
203 /**
204   * @brief  Clear the EXTI line falling pending bits.
205   * @param  __EXTI_LINE__ specifies the EXTI lines to clear.
206   *          This parameter can be any combination of GPIO_PIN_x where x can be (0..15)
207   * @retval None
208   */
209 #define __HAL_GPIO_EXTI_CLEAR_FALLING_IT(__EXTI_LINE__)      (EXTI->FPR1 = (__EXTI_LINE__))
210 
211 /**
212   * @brief  Check whether the specified EXTI line is asserted or not.
213   * @param  __EXTI_LINE__ specifies the EXTI line to check.
214   *          This parameter can be GPIO_PIN_x where x can be(0..15)
215   * @retval The new state of __EXTI_LINE__ (SET or RESET).
216   */
217 #define __HAL_GPIO_EXTI_GET_IT(__EXTI_LINE__)         (__HAL_GPIO_EXTI_GET_RISING_IT(__EXTI_LINE__) || \
218                                                        __HAL_GPIO_EXTI_GET_FALLING_IT(__EXTI_LINE__))
219 
220 /**
221   * @brief  Clear the EXTI line pending bits.
222   * @param  __EXTI_LINE__ specifies the EXTI lines to clear.
223   *          This parameter can be any combination of GPIO_PIN_x where x can be (0..15)
224   * @retval None
225   */
226 #define __HAL_GPIO_EXTI_CLEAR_IT(__EXTI_LINE__)         \
227   do {                                                  \
228     __HAL_GPIO_EXTI_CLEAR_RISING_IT(__EXTI_LINE__);     \
229     __HAL_GPIO_EXTI_CLEAR_FALLING_IT(__EXTI_LINE__);    \
230   } while(0)
231 
232 
233 /**
234   * @brief  Generate a Software interrupt on selected EXTI line(s).
235   * @param  __EXTI_LINE__ specifies the EXTI line to set.
236   *          This parameter can be any combination of GPIO_PIN_x where x can be (0..15)
237   * @retval None
238   */
239 #define __HAL_GPIO_EXTI_GENERATE_SWIT(__EXTI_LINE__)  (EXTI->SWIER1 = (__EXTI_LINE__))
240 
241 /**
242   * @brief  Check whether the specified EXTI line flag is set or not.
243   * @param  __EXTI_LINE__ specifies the EXTI line flag to check.
244   *         This parameter can be GPIO_PIN_x where x can be(0..15)
245   * @retval The new state of __EXTI_LINE__ (SET or RESET).
246   */
247 #define __HAL_GPIO_EXTI_GET_FLAG(__EXTI_LINE__)       __HAL_GPIO_EXTI_GET_IT(__EXTI_LINE__)
248 
249 /**
250   * @brief  Clear the EXTI line pending flags.
251   * @param  __EXTI_LINE__ specifies the EXTI lines flags to clear.
252   *         This parameter can be any combination of GPIO_PIN_x where x can be (0..15)
253   * @retval None
254   */
255 #define __HAL_GPIO_EXTI_CLEAR_FLAG(__EXTI_LINE__)     __HAL_GPIO_EXTI_CLEAR_IT(__EXTI_LINE__)
256 
257 /**
258   * @}
259   */
260 
261 /* Private macros ------------------------------------------------------------*/
262 /** @defgroup GPIO_Private_Macros GPIO Private Macros
263   * @{
264   */
265 #define IS_GPIO_PIN_ACTION(ACTION)  (((ACTION) == GPIO_PIN_RESET) || ((ACTION) == GPIO_PIN_SET))
266 
267 #define IS_GPIO_PIN(__PIN__)        ((((uint32_t)(__PIN__) & GPIO_PIN_MASK) != 0x00U) &&\
268                                      (((uint32_t)(__PIN__) & ~GPIO_PIN_MASK) == 0x00U))
269 
270 #define IS_GPIO_MODE(__MODE__)      (((__MODE__) == GPIO_MODE_INPUT)              ||\
271                                      ((__MODE__) == GPIO_MODE_OUTPUT_PP)          ||\
272                                      ((__MODE__) == GPIO_MODE_OUTPUT_OD)          ||\
273                                      ((__MODE__) == GPIO_MODE_AF_PP)              ||\
274                                      ((__MODE__) == GPIO_MODE_AF_OD)              ||\
275                                      ((__MODE__) == GPIO_MODE_IT_RISING)          ||\
276                                      ((__MODE__) == GPIO_MODE_IT_FALLING)         ||\
277                                      ((__MODE__) == GPIO_MODE_IT_RISING_FALLING)  ||\
278                                      ((__MODE__) == GPIO_MODE_EVT_RISING)         ||\
279                                      ((__MODE__) == GPIO_MODE_EVT_FALLING)        ||\
280                                      ((__MODE__) == GPIO_MODE_EVT_RISING_FALLING) ||\
281                                      ((__MODE__) == GPIO_MODE_ANALOG))
282 
283 #define IS_GPIO_SPEED(__SPEED__)    (((__SPEED__) == GPIO_SPEED_FREQ_LOW)    ||\
284                                      ((__SPEED__) == GPIO_SPEED_FREQ_MEDIUM) ||\
285                                      ((__SPEED__) == GPIO_SPEED_FREQ_HIGH)   ||\
286                                      ((__SPEED__) == GPIO_SPEED_FREQ_VERY_HIGH))
287 
288 #define IS_GPIO_PULL(__PULL__)      (((__PULL__) == GPIO_NOPULL)   ||\
289                                      ((__PULL__) == GPIO_PULLUP)   || \
290                                      ((__PULL__) == GPIO_PULLDOWN))
291 
292 #if defined (__ARM_FEATURE_CMSE) && (__ARM_FEATURE_CMSE == 3U)
293 
294 #define IS_GPIO_PIN_ATTRIBUTES(__ATTRIBUTES__)  (((__ATTRIBUTES__) == GPIO_PIN_SEC)  ||\
295                                                  ((__ATTRIBUTES__) == GPIO_PIN_NSEC))
296 
297 #endif /* __ARM_FEATURE_CMSE */
298 
299 /**
300   * @}
301   */
302 
303 /* Include GPIO HAL Extended module */
304 #include "stm32l5xx_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, 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(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 #if defined (__ARM_FEATURE_CMSE) && (__ARM_FEATURE_CMSE == 3U)
344 
345 /** @defgroup GPIO_Exported_Functions_Group3 IO attributes management functions
346  * @{
347  */
348 
349 /* IO attributes management functions *****************************************/
350 void              HAL_GPIO_ConfigPinAttributes(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin, uint32_t PinAttributes);
351 HAL_StatusTypeDef HAL_GPIO_GetConfigPinAttributes(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin, uint32_t *pPinAttributes);
352 
353 /**
354   * @}
355   */
356 
357 #endif /* __ARM_FEATURE_CMSE */
358 
359 /**
360   * @}
361   */
362 
363 /**
364   * @}
365   */
366 
367 /**
368   * @}
369   */
370 
371 #ifdef __cplusplus
372 }
373 #endif
374 
375 #endif /* STM32L5xx_HAL_GPIO_H */
376 
377 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
378