stm32g0xx_hal_gpio.h 16 KB

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  1. /**
  2. ******************************************************************************
  3. * @file stm32g0xx_hal_gpio.h
  4. * @author MCD Application Team
  5. * @brief Header file of GPIO HAL module.
  6. ******************************************************************************
  7. * @attention
  8. *
  9. * Copyright (c) 2018 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. /* Define to prevent recursive inclusion -------------------------------------*/
  19. #ifndef STM32G0xx_HAL_GPIO_H
  20. #define STM32G0xx_HAL_GPIO_H
  21. #ifdef __cplusplus
  22. extern "C" {
  23. #endif
  24. /* Includes ------------------------------------------------------------------*/
  25. #include "stm32g0xx_hal_def.h"
  26. /** @addtogroup STM32G0xx_HAL_Driver
  27. * @{
  28. */
  29. /** @defgroup GPIO GPIO
  30. * @brief GPIO HAL module driver
  31. * @{
  32. */
  33. /* Exported types ------------------------------------------------------------*/
  34. /** @defgroup GPIO_Exported_Types GPIO Exported Types
  35. * @{
  36. */
  37. /**
  38. * @brief GPIO Init structure definition
  39. */
  40. typedef struct
  41. {
  42. uint32_t Pin; /*!< Specifies the GPIO pins to be configured.
  43. This parameter can be any value of @ref GPIO_pins */
  44. uint32_t Mode; /*!< Specifies the operating mode for the selected pins.
  45. This parameter can be a value of @ref GPIO_mode */
  46. uint32_t Pull; /*!< Specifies the Pull-up or Pull-Down activation for the selected pins.
  47. This parameter can be a value of @ref GPIO_pull */
  48. uint32_t Speed; /*!< Specifies the speed for the selected pins.
  49. This parameter can be a value of @ref GPIO_speed */
  50. uint32_t Alternate; /*!< Peripheral to be connected to the selected pins
  51. This parameter can be a value of @ref GPIOEx_Alternate_function_selection */
  52. } GPIO_InitTypeDef;
  53. /**
  54. * @brief GPIO Bit SET and Bit RESET enumeration
  55. */
  56. typedef enum
  57. {
  58. GPIO_PIN_RESET = 0U,
  59. GPIO_PIN_SET
  60. } GPIO_PinState;
  61. /**
  62. * @}
  63. */
  64. /* Exported constants --------------------------------------------------------*/
  65. /** @defgroup GPIO_Exported_Constants GPIO Exported Constants
  66. * @{
  67. */
  68. /** @defgroup GPIO_pins GPIO pins
  69. * @{
  70. */
  71. #define GPIO_PIN_0 ((uint16_t)0x0001) /* Pin 0 selected */
  72. #define GPIO_PIN_1 ((uint16_t)0x0002) /* Pin 1 selected */
  73. #define GPIO_PIN_2 ((uint16_t)0x0004) /* Pin 2 selected */
  74. #define GPIO_PIN_3 ((uint16_t)0x0008) /* Pin 3 selected */
  75. #define GPIO_PIN_4 ((uint16_t)0x0010) /* Pin 4 selected */
  76. #define GPIO_PIN_5 ((uint16_t)0x0020) /* Pin 5 selected */
  77. #define GPIO_PIN_6 ((uint16_t)0x0040) /* Pin 6 selected */
  78. #define GPIO_PIN_7 ((uint16_t)0x0080) /* Pin 7 selected */
  79. #define GPIO_PIN_8 ((uint16_t)0x0100) /* Pin 8 selected */
  80. #define GPIO_PIN_9 ((uint16_t)0x0200) /* Pin 9 selected */
  81. #define GPIO_PIN_10 ((uint16_t)0x0400) /* Pin 10 selected */
  82. #define GPIO_PIN_11 ((uint16_t)0x0800) /* Pin 11 selected */
  83. #define GPIO_PIN_12 ((uint16_t)0x1000) /* Pin 12 selected */
  84. #define GPIO_PIN_13 ((uint16_t)0x2000) /* Pin 13 selected */
  85. #define GPIO_PIN_14 ((uint16_t)0x4000) /* Pin 14 selected */
  86. #define GPIO_PIN_15 ((uint16_t)0x8000) /* Pin 15 selected */
  87. #define GPIO_PIN_All ((uint16_t)0xFFFF) /* All pins selected */
  88. #define GPIO_PIN_MASK (0x0000FFFFu) /* PIN mask for assert test */
  89. /**
  90. * @}
  91. */
  92. /** @defgroup GPIO_mode GPIO mode
  93. * @brief GPIO Configuration Mode
  94. * Elements values convention: 0x00WX00YZ
  95. * - W : EXTI trigger detection on 3 bits
  96. * - X : EXTI mode (IT or Event) on 2 bits
  97. * - Y : Output type (Push Pull or Open Drain) on 1 bit
  98. * - Z : GPIO mode (Input, Output, Alternate or Analog) on 2 bits
  99. * @{
  100. */
  101. #define GPIO_MODE_INPUT MODE_INPUT /*!< Input Floating Mode */
  102. #define GPIO_MODE_OUTPUT_PP (MODE_OUTPUT | OUTPUT_PP) /*!< Output Push Pull Mode */
  103. #define GPIO_MODE_OUTPUT_OD (MODE_OUTPUT | OUTPUT_OD) /*!< Output Open Drain Mode */
  104. #define GPIO_MODE_AF_PP (MODE_AF | OUTPUT_PP) /*!< Alternate Function Push Pull Mode */
  105. #define GPIO_MODE_AF_OD (MODE_AF | OUTPUT_OD) /*!< Alternate Function Open Drain Mode */
  106. #define GPIO_MODE_ANALOG MODE_ANALOG /*!< Analog Mode */
  107. #define GPIO_MODE_IT_RISING (MODE_INPUT | EXTI_IT | TRIGGER_RISING) /*!< External Interrupt Mode with Rising edge trigger detection */
  108. #define GPIO_MODE_IT_FALLING (MODE_INPUT | EXTI_IT | TRIGGER_FALLING) /*!< External Interrupt Mode with Falling edge trigger detection */
  109. #define GPIO_MODE_IT_RISING_FALLING (MODE_INPUT | EXTI_IT | TRIGGER_RISING | TRIGGER_FALLING) /*!< External Interrupt Mode with Rising/Falling edge trigger detection */
  110. #define GPIO_MODE_EVT_RISING (MODE_INPUT | EXTI_EVT | TRIGGER_RISING) /*!< External Event Mode with Rising edge trigger detection */
  111. #define GPIO_MODE_EVT_FALLING (MODE_INPUT | EXTI_EVT | TRIGGER_FALLING) /*!< External Event Mode with Falling edge trigger detection */
  112. #define GPIO_MODE_EVT_RISING_FALLING (MODE_INPUT | EXTI_EVT | TRIGGER_RISING | TRIGGER_FALLING) /*!< External Event Mode with Rising/Falling edge trigger detection */
  113. /**
  114. * @}
  115. */
  116. /** @defgroup GPIO_speed GPIO speed
  117. * @brief GPIO Output Maximum frequency
  118. * @{
  119. */
  120. #define GPIO_SPEED_FREQ_LOW 0x00000000u /*!< Low speed */
  121. #define GPIO_SPEED_FREQ_MEDIUM 0x00000001u /*!< Medium speed */
  122. #define GPIO_SPEED_FREQ_HIGH 0x00000002u /*!< High speed */
  123. #define GPIO_SPEED_FREQ_VERY_HIGH 0x00000003u /*!< Very high speed */
  124. /**
  125. * @}
  126. */
  127. /** @defgroup GPIO_pull GPIO pull
  128. * @brief GPIO Pull-Up or Pull-Down Activation
  129. * @{
  130. */
  131. #define GPIO_NOPULL 0x00000000u /*!< No Pull-up or Pull-down activation */
  132. #define GPIO_PULLUP 0x00000001u /*!< Pull-up activation */
  133. #define GPIO_PULLDOWN 0x00000002u /*!< Pull-down activation */
  134. /**
  135. * @}
  136. */
  137. /**
  138. * @}
  139. */
  140. /* Exported macro ------------------------------------------------------------*/
  141. /** @defgroup GPIO_Exported_Macros GPIO Exported Macros
  142. * @{
  143. */
  144. /**
  145. * @brief Check whether the specified EXTI line is rising edge asserted or not.
  146. * @param __EXTI_LINE__ specifies the EXTI line to check.
  147. * This parameter can be GPIO_PIN_x where x can be(0..15)
  148. * @retval The new state of __EXTI_LINE__ (SET or RESET).
  149. */
  150. #define __HAL_GPIO_EXTI_GET_RISING_IT(__EXTI_LINE__) (EXTI->RPR1 & (__EXTI_LINE__))
  151. /**
  152. * @brief Clear the EXTI line rising pending bits.
  153. * @param __EXTI_LINE__ specifies the EXTI lines to clear.
  154. * This parameter can be any combination of GPIO_PIN_x where x can be (0..15)
  155. * @retval None
  156. */
  157. #define __HAL_GPIO_EXTI_CLEAR_RISING_IT(__EXTI_LINE__) (EXTI->RPR1 = (__EXTI_LINE__))
  158. /**
  159. * @brief Check whether the specified EXTI line is falling edge asserted or not.
  160. * @param __EXTI_LINE__ specifies the EXTI line to check.
  161. * This parameter can be GPIO_PIN_x where x can be(0..15)
  162. * @retval The new state of __EXTI_LINE__ (SET or RESET).
  163. */
  164. #define __HAL_GPIO_EXTI_GET_FALLING_IT(__EXTI_LINE__) (EXTI->FPR1 & (__EXTI_LINE__))
  165. /**
  166. * @brief Clear the EXTI line falling pending bits.
  167. * @param __EXTI_LINE__ specifies the EXTI lines to clear.
  168. * This parameter can be any combination of GPIO_PIN_x where x can be (0..15)
  169. * @retval None
  170. */
  171. #define __HAL_GPIO_EXTI_CLEAR_FALLING_IT(__EXTI_LINE__) (EXTI->FPR1 = (__EXTI_LINE__))
  172. /**
  173. * @brief Check whether the specified EXTI line is asserted or not.
  174. * @param __EXTI_LINE__ specifies the EXTI line to check.
  175. * This parameter can be GPIO_PIN_x where x can be(0..15)
  176. * @retval The new state of __EXTI_LINE__ (SET or RESET).
  177. */
  178. #define __HAL_GPIO_EXTI_GET_IT(__EXTI_LINE__) (__HAL_GPIO_EXTI_GET_RISING_IT(__EXTI_LINE__) || \
  179. __HAL_GPIO_EXTI_GET_FALLING_IT(__EXTI_LINE__))
  180. /**
  181. * @brief Clear the EXTI's line pending bits.
  182. * @param __EXTI_LINE__ specifies the EXTI lines to clear.
  183. * This parameter can be any combination of GPIO_PIN_x where x can be (0..15)
  184. * @retval None
  185. */
  186. #define __HAL_GPIO_EXTI_CLEAR_IT(__EXTI_LINE__) \
  187. do { \
  188. __HAL_GPIO_EXTI_CLEAR_RISING_IT(__EXTI_LINE__); \
  189. __HAL_GPIO_EXTI_CLEAR_FALLING_IT(__EXTI_LINE__); \
  190. } while(0)
  191. /**
  192. * @brief Generate a Software interrupt on selected EXTI line.
  193. * @param __EXTI_LINE__ specifies the EXTI line to check.
  194. * This parameter can be GPIO_PIN_x where x can be(0..15)
  195. * @retval None
  196. */
  197. #define __HAL_GPIO_EXTI_GENERATE_SWIT(__EXTI_LINE__) (EXTI->SWIER1 |= (__EXTI_LINE__))
  198. /**
  199. * @brief Check whether the specified EXTI line flag is set or not.
  200. * @param __EXTI_LINE__ specifies the EXTI line flag to check.
  201. * This parameter can be GPIO_PIN_x where x can be(0..15)
  202. * @retval The new state of __EXTI_LINE__ (SET or RESET).
  203. */
  204. #define __HAL_GPIO_EXTI_GET_FLAG(__EXTI_LINE__) __HAL_GPIO_EXTI_GET_IT(__EXTI_LINE__)
  205. /**
  206. * @brief Clear the EXTI line pending flags.
  207. * @param __EXTI_LINE__ specifies the EXTI lines flags to clear.
  208. * This parameter can be any combination of GPIO_PIN_x where x can be (0..15)
  209. * @retval None
  210. */
  211. #define __HAL_GPIO_EXTI_CLEAR_FLAG(__EXTI_LINE__) __HAL_GPIO_EXTI_CLEAR_IT(__EXTI_LINE__)
  212. /**
  213. * @}
  214. */
  215. /* Private macros ------------------------------------------------------------*/
  216. /** @defgroup GPIO_Private_Constants GPIO Private Constants
  217. * @{
  218. */
  219. #define GPIO_MODE_Pos 0u
  220. #define GPIO_MODE (0x3uL << GPIO_MODE_Pos)
  221. #define MODE_INPUT (0x0uL << GPIO_MODE_Pos)
  222. #define MODE_OUTPUT (0x1uL << GPIO_MODE_Pos)
  223. #define MODE_AF (0x2uL << GPIO_MODE_Pos)
  224. #define MODE_ANALOG (0x3uL << GPIO_MODE_Pos)
  225. #define OUTPUT_TYPE_Pos 4u
  226. #define OUTPUT_TYPE (0x1uL << OUTPUT_TYPE_Pos)
  227. #define OUTPUT_PP (0x0uL << OUTPUT_TYPE_Pos)
  228. #define OUTPUT_OD (0x1uL << OUTPUT_TYPE_Pos)
  229. #define EXTI_MODE_Pos 16u
  230. #define EXTI_MODE (0x3uL << EXTI_MODE_Pos)
  231. #define EXTI_IT (0x1uL << EXTI_MODE_Pos)
  232. #define EXTI_EVT (0x2uL << EXTI_MODE_Pos)
  233. #define TRIGGER_MODE_Pos 20u
  234. #define TRIGGER_MODE (0x7uL << TRIGGER_MODE_Pos)
  235. #define TRIGGER_RISING (0x1uL << TRIGGER_MODE_Pos)
  236. #define TRIGGER_FALLING (0x2uL << TRIGGER_MODE_Pos)
  237. /**
  238. * @}
  239. */
  240. /** @defgroup GPIO_Private_Macros GPIO Private Macros
  241. * @{
  242. */
  243. #define IS_GPIO_PIN_ACTION(ACTION) (((ACTION) == GPIO_PIN_RESET) || ((ACTION) == GPIO_PIN_SET))
  244. #define IS_GPIO_PIN(__PIN__) ((((uint32_t)(__PIN__) & GPIO_PIN_MASK) != 0x00u) &&\
  245. (((uint32_t)(__PIN__) & ~GPIO_PIN_MASK) == 0x00u))
  246. #define IS_GPIO_MODE(__MODE__) (((__MODE__) == GPIO_MODE_INPUT) ||\
  247. ((__MODE__) == GPIO_MODE_OUTPUT_PP) ||\
  248. ((__MODE__) == GPIO_MODE_OUTPUT_OD) ||\
  249. ((__MODE__) == GPIO_MODE_AF_PP) ||\
  250. ((__MODE__) == GPIO_MODE_AF_OD) ||\
  251. ((__MODE__) == GPIO_MODE_IT_RISING) ||\
  252. ((__MODE__) == GPIO_MODE_IT_FALLING) ||\
  253. ((__MODE__) == GPIO_MODE_IT_RISING_FALLING) ||\
  254. ((__MODE__) == GPIO_MODE_EVT_RISING) ||\
  255. ((__MODE__) == GPIO_MODE_EVT_FALLING) ||\
  256. ((__MODE__) == GPIO_MODE_EVT_RISING_FALLING) ||\
  257. ((__MODE__) == GPIO_MODE_ANALOG))
  258. #define IS_GPIO_SPEED(__SPEED__) (((__SPEED__) == GPIO_SPEED_FREQ_LOW) ||\
  259. ((__SPEED__) == GPIO_SPEED_FREQ_MEDIUM) ||\
  260. ((__SPEED__) == GPIO_SPEED_FREQ_HIGH) ||\
  261. ((__SPEED__) == GPIO_SPEED_FREQ_VERY_HIGH))
  262. #define IS_GPIO_PULL(__PULL__) (((__PULL__) == GPIO_NOPULL) ||\
  263. ((__PULL__) == GPIO_PULLUP) || \
  264. ((__PULL__) == GPIO_PULLDOWN))
  265. /**
  266. * @}
  267. */
  268. /* Include GPIO HAL Extended module */
  269. #include "stm32g0xx_hal_gpio_ex.h"
  270. /* Exported functions --------------------------------------------------------*/
  271. /** @defgroup GPIO_Exported_Functions GPIO Exported Functions
  272. * @brief GPIO Exported Functions
  273. * @{
  274. */
  275. /** @defgroup GPIO_Exported_Functions_Group1 Initialization/de-initialization functions
  276. * @brief Initialization and Configuration functions
  277. * @{
  278. */
  279. /* Initialization and de-initialization functions *****************************/
  280. void HAL_GPIO_Init(GPIO_TypeDef *GPIOx, GPIO_InitTypeDef *GPIO_Init);
  281. void HAL_GPIO_DeInit(GPIO_TypeDef *GPIOx, uint32_t GPIO_Pin);
  282. /**
  283. * @}
  284. */
  285. /** @defgroup GPIO_Exported_Functions_Group2 IO operation functions
  286. * @brief IO operation functions
  287. * @{
  288. */
  289. /* IO operation functions *****************************************************/
  290. GPIO_PinState HAL_GPIO_ReadPin(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin);
  291. void HAL_GPIO_WritePin(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin, GPIO_PinState PinState);
  292. void HAL_GPIO_TogglePin(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin);
  293. HAL_StatusTypeDef HAL_GPIO_LockPin(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin);
  294. void HAL_GPIO_EXTI_IRQHandler(uint16_t GPIO_Pin);
  295. void HAL_GPIO_EXTI_Rising_Callback(uint16_t GPIO_Pin);
  296. void HAL_GPIO_EXTI_Falling_Callback(uint16_t GPIO_Pin);
  297. /**
  298. * @}
  299. */
  300. /**
  301. * @}
  302. */
  303. /**
  304. * @}
  305. */
  306. /**
  307. * @}
  308. */
  309. #ifdef __cplusplus
  310. }
  311. #endif
  312. #endif /* STM32G0xx_HAL_GPIO_H */