stm32f4xx_gpio.h 17 KB

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  1. /**
  2. ******************************************************************************
  3. * @file stm32f4xx_gpio.h
  4. * @author MCD Application Team
  5. * @version V1.0.0
  6. * @date 30-September-2011
  7. * @brief This file contains all the functions prototypes for the GPIO firmware
  8. * library.
  9. ******************************************************************************
  10. * @attention
  11. *
  12. * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
  13. * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
  14. * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
  15. * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
  16. * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
  17. * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
  18. *
  19. * <h2><center>&copy; COPYRIGHT 2011 STMicroelectronics</center></h2>
  20. ******************************************************************************
  21. */
  22. /* Define to prevent recursive inclusion -------------------------------------*/
  23. #ifndef __STM32F4xx_GPIO_H
  24. #define __STM32F4xx_GPIO_H
  25. #ifdef __cplusplus
  26. extern "C" {
  27. #endif
  28. /* Includes ------------------------------------------------------------------*/
  29. #include "stm32f4xx.h"
  30. /** @addtogroup STM32F4xx_StdPeriph_Driver
  31. * @{
  32. */
  33. /** @addtogroup GPIO
  34. * @{
  35. */
  36. /* Exported types ------------------------------------------------------------*/
  37. #define IS_GPIO_ALL_PERIPH(PERIPH) (((PERIPH) == GPIOA) || \
  38. ((PERIPH) == GPIOB) || \
  39. ((PERIPH) == GPIOC) || \
  40. ((PERIPH) == GPIOD) || \
  41. ((PERIPH) == GPIOE) || \
  42. ((PERIPH) == GPIOF) || \
  43. ((PERIPH) == GPIOG) || \
  44. ((PERIPH) == GPIOH) || \
  45. ((PERIPH) == GPIOI))
  46. /**
  47. * @brief GPIO Configuration Mode enumeration
  48. */
  49. typedef enum
  50. {
  51. GPIO_Mode_IN = 0x00, /*!< GPIO Input Mode */
  52. GPIO_Mode_OUT = 0x01, /*!< GPIO Output Mode */
  53. GPIO_Mode_AF = 0x02, /*!< GPIO Alternate function Mode */
  54. GPIO_Mode_AN = 0x03 /*!< GPIO Analog Mode */
  55. }GPIOMode_TypeDef;
  56. #define IS_GPIO_MODE(MODE) (((MODE) == GPIO_Mode_IN) || ((MODE) == GPIO_Mode_OUT) || \
  57. ((MODE) == GPIO_Mode_AF)|| ((MODE) == GPIO_Mode_AN))
  58. /**
  59. * @brief GPIO Output type enumeration
  60. */
  61. typedef enum
  62. {
  63. GPIO_OType_PP = 0x00,
  64. GPIO_OType_OD = 0x01
  65. }GPIOOType_TypeDef;
  66. #define IS_GPIO_OTYPE(OTYPE) (((OTYPE) == GPIO_OType_PP) || ((OTYPE) == GPIO_OType_OD))
  67. /**
  68. * @brief GPIO Output Maximum frequency enumeration
  69. */
  70. typedef enum
  71. {
  72. GPIO_Speed_2MHz = 0x00, /*!< Low speed */
  73. GPIO_Speed_25MHz = 0x01, /*!< Medium speed */
  74. GPIO_Speed_50MHz = 0x02, /*!< Fast speed */
  75. GPIO_Speed_100MHz = 0x03 /*!< High speed on 30 pF (80 MHz Output max speed on 15 pF) */
  76. }GPIOSpeed_TypeDef;
  77. #define IS_GPIO_SPEED(SPEED) (((SPEED) == GPIO_Speed_2MHz) || ((SPEED) == GPIO_Speed_25MHz) || \
  78. ((SPEED) == GPIO_Speed_50MHz)|| ((SPEED) == GPIO_Speed_100MHz))
  79. /**
  80. * @brief GPIO Configuration PullUp PullDown enumeration
  81. */
  82. typedef enum
  83. {
  84. GPIO_PuPd_NOPULL = 0x00,
  85. GPIO_PuPd_UP = 0x01,
  86. GPIO_PuPd_DOWN = 0x02
  87. }GPIOPuPd_TypeDef;
  88. #define IS_GPIO_PUPD(PUPD) (((PUPD) == GPIO_PuPd_NOPULL) || ((PUPD) == GPIO_PuPd_UP) || \
  89. ((PUPD) == GPIO_PuPd_DOWN))
  90. /**
  91. * @brief GPIO Bit SET and Bit RESET enumeration
  92. */
  93. typedef enum
  94. {
  95. Bit_RESET = 0,
  96. Bit_SET
  97. }BitAction;
  98. #define IS_GPIO_BIT_ACTION(ACTION) (((ACTION) == Bit_RESET) || ((ACTION) == Bit_SET))
  99. /**
  100. * @brief GPIO Init structure definition
  101. */
  102. typedef struct
  103. {
  104. uint32_t GPIO_Pin; /*!< Specifies the GPIO pins to be configured.
  105. This parameter can be any value of @ref GPIO_pins_define */
  106. GPIOMode_TypeDef GPIO_Mode; /*!< Specifies the operating mode for the selected pins.
  107. This parameter can be a value of @ref GPIOMode_TypeDef */
  108. GPIOSpeed_TypeDef GPIO_Speed; /*!< Specifies the speed for the selected pins.
  109. This parameter can be a value of @ref GPIOSpeed_TypeDef */
  110. GPIOOType_TypeDef GPIO_OType; /*!< Specifies the operating output type for the selected pins.
  111. This parameter can be a value of @ref GPIOOType_TypeDef */
  112. GPIOPuPd_TypeDef GPIO_PuPd; /*!< Specifies the operating Pull-up/Pull down for the selected pins.
  113. This parameter can be a value of @ref GPIOPuPd_TypeDef */
  114. }GPIO_InitTypeDef;
  115. /* Exported constants --------------------------------------------------------*/
  116. /** @defgroup GPIO_Exported_Constants
  117. * @{
  118. */
  119. /** @defgroup GPIO_pins_define
  120. * @{
  121. */
  122. #define GPIO_Pin_0 ((uint16_t)0x0001) /* Pin 0 selected */
  123. #define GPIO_Pin_1 ((uint16_t)0x0002) /* Pin 1 selected */
  124. #define GPIO_Pin_2 ((uint16_t)0x0004) /* Pin 2 selected */
  125. #define GPIO_Pin_3 ((uint16_t)0x0008) /* Pin 3 selected */
  126. #define GPIO_Pin_4 ((uint16_t)0x0010) /* Pin 4 selected */
  127. #define GPIO_Pin_5 ((uint16_t)0x0020) /* Pin 5 selected */
  128. #define GPIO_Pin_6 ((uint16_t)0x0040) /* Pin 6 selected */
  129. #define GPIO_Pin_7 ((uint16_t)0x0080) /* Pin 7 selected */
  130. #define GPIO_Pin_8 ((uint16_t)0x0100) /* Pin 8 selected */
  131. #define GPIO_Pin_9 ((uint16_t)0x0200) /* Pin 9 selected */
  132. #define GPIO_Pin_10 ((uint16_t)0x0400) /* Pin 10 selected */
  133. #define GPIO_Pin_11 ((uint16_t)0x0800) /* Pin 11 selected */
  134. #define GPIO_Pin_12 ((uint16_t)0x1000) /* Pin 12 selected */
  135. #define GPIO_Pin_13 ((uint16_t)0x2000) /* Pin 13 selected */
  136. #define GPIO_Pin_14 ((uint16_t)0x4000) /* Pin 14 selected */
  137. #define GPIO_Pin_15 ((uint16_t)0x8000) /* Pin 15 selected */
  138. #define GPIO_Pin_All ((uint16_t)0xFFFF) /* All pins selected */
  139. #define IS_GPIO_PIN(PIN) ((((PIN) & (uint16_t)0x00) == 0x00) && ((PIN) != (uint16_t)0x00))
  140. #define IS_GET_GPIO_PIN(PIN) (((PIN) == GPIO_Pin_0) || \
  141. ((PIN) == GPIO_Pin_1) || \
  142. ((PIN) == GPIO_Pin_2) || \
  143. ((PIN) == GPIO_Pin_3) || \
  144. ((PIN) == GPIO_Pin_4) || \
  145. ((PIN) == GPIO_Pin_5) || \
  146. ((PIN) == GPIO_Pin_6) || \
  147. ((PIN) == GPIO_Pin_7) || \
  148. ((PIN) == GPIO_Pin_8) || \
  149. ((PIN) == GPIO_Pin_9) || \
  150. ((PIN) == GPIO_Pin_10) || \
  151. ((PIN) == GPIO_Pin_11) || \
  152. ((PIN) == GPIO_Pin_12) || \
  153. ((PIN) == GPIO_Pin_13) || \
  154. ((PIN) == GPIO_Pin_14) || \
  155. ((PIN) == GPIO_Pin_15))
  156. /**
  157. * @}
  158. */
  159. /** @defgroup GPIO_Pin_sources
  160. * @{
  161. */
  162. #define GPIO_PinSource0 ((uint8_t)0x00)
  163. #define GPIO_PinSource1 ((uint8_t)0x01)
  164. #define GPIO_PinSource2 ((uint8_t)0x02)
  165. #define GPIO_PinSource3 ((uint8_t)0x03)
  166. #define GPIO_PinSource4 ((uint8_t)0x04)
  167. #define GPIO_PinSource5 ((uint8_t)0x05)
  168. #define GPIO_PinSource6 ((uint8_t)0x06)
  169. #define GPIO_PinSource7 ((uint8_t)0x07)
  170. #define GPIO_PinSource8 ((uint8_t)0x08)
  171. #define GPIO_PinSource9 ((uint8_t)0x09)
  172. #define GPIO_PinSource10 ((uint8_t)0x0A)
  173. #define GPIO_PinSource11 ((uint8_t)0x0B)
  174. #define GPIO_PinSource12 ((uint8_t)0x0C)
  175. #define GPIO_PinSource13 ((uint8_t)0x0D)
  176. #define GPIO_PinSource14 ((uint8_t)0x0E)
  177. #define GPIO_PinSource15 ((uint8_t)0x0F)
  178. #define IS_GPIO_PIN_SOURCE(PINSOURCE) (((PINSOURCE) == GPIO_PinSource0) || \
  179. ((PINSOURCE) == GPIO_PinSource1) || \
  180. ((PINSOURCE) == GPIO_PinSource2) || \
  181. ((PINSOURCE) == GPIO_PinSource3) || \
  182. ((PINSOURCE) == GPIO_PinSource4) || \
  183. ((PINSOURCE) == GPIO_PinSource5) || \
  184. ((PINSOURCE) == GPIO_PinSource6) || \
  185. ((PINSOURCE) == GPIO_PinSource7) || \
  186. ((PINSOURCE) == GPIO_PinSource8) || \
  187. ((PINSOURCE) == GPIO_PinSource9) || \
  188. ((PINSOURCE) == GPIO_PinSource10) || \
  189. ((PINSOURCE) == GPIO_PinSource11) || \
  190. ((PINSOURCE) == GPIO_PinSource12) || \
  191. ((PINSOURCE) == GPIO_PinSource13) || \
  192. ((PINSOURCE) == GPIO_PinSource14) || \
  193. ((PINSOURCE) == GPIO_PinSource15))
  194. /**
  195. * @}
  196. */
  197. /** @defgroup GPIO_Alternat_function_selection_define
  198. * @{
  199. */
  200. /**
  201. * @brief AF 0 selection
  202. */
  203. #define GPIO_AF_RTC_50Hz ((uint8_t)0x00) /* RTC_50Hz Alternate Function mapping */
  204. #define GPIO_AF_MCO ((uint8_t)0x00) /* MCO (MCO1 and MCO2) Alternate Function mapping */
  205. #define GPIO_AF_TAMPER ((uint8_t)0x00) /* TAMPER (TAMPER_1 and TAMPER_2) Alternate Function mapping */
  206. #define GPIO_AF_SWJ ((uint8_t)0x00) /* SWJ (SWD and JTAG) Alternate Function mapping */
  207. #define GPIO_AF_TRACE ((uint8_t)0x00) /* TRACE Alternate Function mapping */
  208. /**
  209. * @brief AF 1 selection
  210. */
  211. #define GPIO_AF_TIM1 ((uint8_t)0x01) /* TIM1 Alternate Function mapping */
  212. #define GPIO_AF_TIM2 ((uint8_t)0x01) /* TIM2 Alternate Function mapping */
  213. /**
  214. * @brief AF 2 selection
  215. */
  216. #define GPIO_AF_TIM3 ((uint8_t)0x02) /* TIM3 Alternate Function mapping */
  217. #define GPIO_AF_TIM4 ((uint8_t)0x02) /* TIM4 Alternate Function mapping */
  218. #define GPIO_AF_TIM5 ((uint8_t)0x02) /* TIM5 Alternate Function mapping */
  219. /**
  220. * @brief AF 3 selection
  221. */
  222. #define GPIO_AF_TIM8 ((uint8_t)0x03) /* TIM8 Alternate Function mapping */
  223. #define GPIO_AF_TIM9 ((uint8_t)0x03) /* TIM9 Alternate Function mapping */
  224. #define GPIO_AF_TIM10 ((uint8_t)0x03) /* TIM10 Alternate Function mapping */
  225. #define GPIO_AF_TIM11 ((uint8_t)0x03) /* TIM11 Alternate Function mapping */
  226. /**
  227. * @brief AF 4 selection
  228. */
  229. #define GPIO_AF_I2C1 ((uint8_t)0x04) /* I2C1 Alternate Function mapping */
  230. #define GPIO_AF_I2C2 ((uint8_t)0x04) /* I2C2 Alternate Function mapping */
  231. #define GPIO_AF_I2C3 ((uint8_t)0x04) /* I2C3 Alternate Function mapping */
  232. /**
  233. * @brief AF 5 selection
  234. */
  235. #define GPIO_AF_SPI1 ((uint8_t)0x05) /* SPI1 Alternate Function mapping */
  236. #define GPIO_AF_SPI2 ((uint8_t)0x05) /* SPI2/I2S2 Alternate Function mapping */
  237. /**
  238. * @brief AF 6 selection
  239. */
  240. #define GPIO_AF_SPI3 ((uint8_t)0x06) /* SPI3/I2S3 Alternate Function mapping */
  241. /**
  242. * @brief AF 7 selection
  243. */
  244. #define GPIO_AF_USART1 ((uint8_t)0x07) /* USART1 Alternate Function mapping */
  245. #define GPIO_AF_USART2 ((uint8_t)0x07) /* USART2 Alternate Function mapping */
  246. #define GPIO_AF_USART3 ((uint8_t)0x07) /* USART3 Alternate Function mapping */
  247. #define GPIO_AF_I2S3ext ((uint8_t)0x07) /* I2S3ext Alternate Function mapping */
  248. /**
  249. * @brief AF 8 selection
  250. */
  251. #define GPIO_AF_UART4 ((uint8_t)0x08) /* UART4 Alternate Function mapping */
  252. #define GPIO_AF_UART5 ((uint8_t)0x08) /* UART5 Alternate Function mapping */
  253. #define GPIO_AF_USART6 ((uint8_t)0x08) /* USART6 Alternate Function mapping */
  254. /**
  255. * @brief AF 9 selection
  256. */
  257. #define GPIO_AF_CAN1 ((uint8_t)0x09) /* CAN1 Alternate Function mapping */
  258. #define GPIO_AF_CAN2 ((uint8_t)0x09) /* CAN2 Alternate Function mapping */
  259. #define GPIO_AF_TIM12 ((uint8_t)0x09) /* TIM12 Alternate Function mapping */
  260. #define GPIO_AF_TIM13 ((uint8_t)0x09) /* TIM13 Alternate Function mapping */
  261. #define GPIO_AF_TIM14 ((uint8_t)0x09) /* TIM14 Alternate Function mapping */
  262. /**
  263. * @brief AF 10 selection
  264. */
  265. #define GPIO_AF_OTG_FS ((uint8_t)0xA) /* OTG_FS Alternate Function mapping */
  266. #define GPIO_AF_OTG_HS ((uint8_t)0xA) /* OTG_HS Alternate Function mapping */
  267. /**
  268. * @brief AF 11 selection
  269. */
  270. #define GPIO_AF_ETH ((uint8_t)0x0B) /* ETHERNET Alternate Function mapping */
  271. /**
  272. * @brief AF 12 selection
  273. */
  274. #define GPIO_AF_FSMC ((uint8_t)0xC) /* FSMC Alternate Function mapping */
  275. #define GPIO_AF_OTG_HS_FS ((uint8_t)0xC) /* OTG HS configured in FS, Alternate Function mapping */
  276. #define GPIO_AF_SDIO ((uint8_t)0xC) /* SDIO Alternate Function mapping */
  277. /**
  278. * @brief AF 13 selection
  279. */
  280. #define GPIO_AF_DCMI ((uint8_t)0x0D) /* DCMI Alternate Function mapping */
  281. /**
  282. * @brief AF 15 selection
  283. */
  284. #define GPIO_AF_EVENTOUT ((uint8_t)0x0F) /* EVENTOUT Alternate Function mapping */
  285. #define IS_GPIO_AF(AF) (((AF) == GPIO_AF_RTC_50Hz) || ((AF) == GPIO_AF_TIM14) || \
  286. ((AF) == GPIO_AF_MCO) || ((AF) == GPIO_AF_TAMPER) || \
  287. ((AF) == GPIO_AF_SWJ) || ((AF) == GPIO_AF_TRACE) || \
  288. ((AF) == GPIO_AF_TIM1) || ((AF) == GPIO_AF_TIM2) || \
  289. ((AF) == GPIO_AF_TIM3) || ((AF) == GPIO_AF_TIM4) || \
  290. ((AF) == GPIO_AF_TIM5) || ((AF) == GPIO_AF_TIM8) || \
  291. ((AF) == GPIO_AF_I2C1) || ((AF) == GPIO_AF_I2C2) || \
  292. ((AF) == GPIO_AF_I2C3) || ((AF) == GPIO_AF_SPI1) || \
  293. ((AF) == GPIO_AF_SPI2) || ((AF) == GPIO_AF_TIM13) || \
  294. ((AF) == GPIO_AF_SPI3) || ((AF) == GPIO_AF_TIM14) || \
  295. ((AF) == GPIO_AF_USART1) || ((AF) == GPIO_AF_USART2) || \
  296. ((AF) == GPIO_AF_USART3) || ((AF) == GPIO_AF_UART4) || \
  297. ((AF) == GPIO_AF_UART5) || ((AF) == GPIO_AF_USART6) || \
  298. ((AF) == GPIO_AF_CAN1) || ((AF) == GPIO_AF_CAN2) || \
  299. ((AF) == GPIO_AF_OTG_FS) || ((AF) == GPIO_AF_OTG_HS) || \
  300. ((AF) == GPIO_AF_ETH) || ((AF) == GPIO_AF_FSMC) || \
  301. ((AF) == GPIO_AF_OTG_HS_FS) || ((AF) == GPIO_AF_SDIO) || \
  302. ((AF) == GPIO_AF_DCMI) || ((AF) == GPIO_AF_EVENTOUT))
  303. /**
  304. * @}
  305. */
  306. /** @defgroup GPIO_Legacy
  307. * @{
  308. */
  309. #define GPIO_Mode_AIN GPIO_Mode_AN
  310. #define GPIO_AF_OTG1_FS GPIO_AF_OTG_FS
  311. #define GPIO_AF_OTG2_HS GPIO_AF_OTG_HS
  312. #define GPIO_AF_OTG2_FS GPIO_AF_OTG_HS_FS
  313. /**
  314. * @}
  315. */
  316. /**
  317. * @}
  318. */
  319. /* Exported macro ------------------------------------------------------------*/
  320. /* Exported functions --------------------------------------------------------*/
  321. /* Function used to set the GPIO configuration to the default reset state ****/
  322. void GPIO_DeInit(GPIO_TypeDef* GPIOx);
  323. /* Initialization and Configuration functions *********************************/
  324. void GPIO_Init(GPIO_TypeDef* GPIOx, GPIO_InitTypeDef* GPIO_InitStruct);
  325. void GPIO_StructInit(GPIO_InitTypeDef* GPIO_InitStruct);
  326. void GPIO_PinLockConfig(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin);
  327. /* GPIO Read and Write functions **********************************************/
  328. uint8_t GPIO_ReadInputDataBit(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin);
  329. uint16_t GPIO_ReadInputData(GPIO_TypeDef* GPIOx);
  330. uint8_t GPIO_ReadOutputDataBit(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin);
  331. uint16_t GPIO_ReadOutputData(GPIO_TypeDef* GPIOx);
  332. void GPIO_SetBits(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin);
  333. void GPIO_ResetBits(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin);
  334. void GPIO_WriteBit(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin, BitAction BitVal);
  335. void GPIO_Write(GPIO_TypeDef* GPIOx, uint16_t PortVal);
  336. void GPIO_ToggleBits(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin);
  337. /* GPIO Alternate functions configuration function ****************************/
  338. void GPIO_PinAFConfig(GPIO_TypeDef* GPIOx, uint16_t GPIO_PinSource, uint8_t GPIO_AF);
  339. #ifdef __cplusplus
  340. }
  341. #endif
  342. #endif /*__STM32F4xx_GPIO_H */
  343. /**
  344. * @}
  345. */
  346. /**
  347. * @}
  348. */
  349. /******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/