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******************************************************************************
* @file stm32l1xx_gpio.h
* @author MCD Application Team
* @version V1.2.0
* @date 22-February-2013
* @brief This file contains all the functions prototypes for the GPIO
* firmware library.
******************************************************************************
* @attention
*
* <h2><center>© COPYRIGHT 2013 STMicroelectronics</center></h2>
*
* Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
* You may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.st.com/software_license_agreement_liberty_v2
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************
*/
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __STM32L1xx_GPIO_H
#define __STM32L1xx_GPIO_H
#ifdef __cplusplus
extern "C" {
#endif
/* Includes ------------------------------------------------------------------*/
#include "stm32l1xx.h"
/** @addtogroup STM32L1xx_StdPeriph_Driver
* @{
*/
/** @addtogroup GPIO
* @{
*/
/* Exported types ------------------------------------------------------------*/
#define IS_GPIO_ALL_PERIPH(PERIPH) (((PERIPH) == GPIOA) || \
((PERIPH) == GPIOB) || \
((PERIPH) == GPIOC) || \
((PERIPH) == GPIOD) || \
((PERIPH) == GPIOE) || \
((PERIPH) == GPIOH) || \
((PERIPH) == GPIOF) || \
((PERIPH) == GPIOG))
/** @defgroup Configuration_Mode_enumeration
* @{
*/
typedef enum
{
GPIO_Mode_IN = 0x00, /*!< GPIO Input Mode */
GPIO_Mode_OUT = 0x01, /*!< GPIO Output Mode */
GPIO_Mode_AF = 0x02, /*!< GPIO Alternate function Mode */
GPIO_Mode_AN = 0x03 /*!< GPIO Analog Mode */
}GPIOMode_TypeDef;
#define IS_GPIO_MODE(MODE) (((MODE) == GPIO_Mode_IN) || ((MODE) == GPIO_Mode_OUT) || \
((MODE) == GPIO_Mode_AF)|| ((MODE) == GPIO_Mode_AN))
/**
* @}
*/
/** @defgroup Output_type_enumeration
* @{
*/
typedef enum
{ GPIO_OType_PP = 0x00,
GPIO_OType_OD = 0x01
}GPIOOType_TypeDef;
#define IS_GPIO_OTYPE(OTYPE) (((OTYPE) == GPIO_OType_PP) || ((OTYPE) == GPIO_OType_OD))
/**
* @}
*/
/** @defgroup Output_Maximum_frequency_enumeration
* @{
*/
typedef enum
{
GPIO_Speed_400KHz = 0x00, /*!< Very Low Speed */
GPIO_Speed_2MHz = 0x01, /*!< Low Speed */
GPIO_Speed_10MHz = 0x02, /*!< Medium Speed */
GPIO_Speed_40MHz = 0x03 /*!< High Speed */
}GPIOSpeed_TypeDef;
#define IS_GPIO_SPEED(SPEED) (((SPEED) == GPIO_Speed_400KHz) || ((SPEED) == GPIO_Speed_2MHz) || \
((SPEED) == GPIO_Speed_10MHz)|| ((SPEED) == GPIO_Speed_40MHz))
/**
* @}
*/
/** @defgroup Configuration_Pull-Up_Pull-Down_enumeration
* @{
*/
typedef enum
{ GPIO_PuPd_NOPULL = 0x00,
GPIO_PuPd_UP = 0x01,
GPIO_PuPd_DOWN = 0x02
}GPIOPuPd_TypeDef;
#define IS_GPIO_PUPD(PUPD) (((PUPD) == GPIO_PuPd_NOPULL) || ((PUPD) == GPIO_PuPd_UP) || \
((PUPD) == GPIO_PuPd_DOWN))
/**
* @}
*/
/** @defgroup Bit_SET_and_Bit_RESET_enumeration
* @{
*/
typedef enum
{ Bit_RESET = 0,
Bit_SET
}BitAction;
#define IS_GPIO_BIT_ACTION(ACTION) (((ACTION) == Bit_RESET) || ((ACTION) == Bit_SET))
/**
* @}
*/
/**
* @brief GPIO Init structure definition
*/
typedef struct
{
uint32_t GPIO_Pin; /*!< Specifies the GPIO pins to be configured.
This parameter can be any value of @ref GPIO_pins_define */
GPIOMode_TypeDef GPIO_Mode; /*!< Specifies the operating mode for the selected pins.
This parameter can be a value of @ref GPIOMode_TypeDef */
GPIOSpeed_TypeDef GPIO_Speed; /*!< Specifies the speed for the selected pins.
This parameter can be a value of @ref GPIOSpeed_TypeDef */
GPIOOType_TypeDef GPIO_OType; /*!< Specifies the operating output type for the selected pins.
This parameter can be a value of @ref GPIOOType_TypeDef */
GPIOPuPd_TypeDef GPIO_PuPd; /*!< Specifies the operating Pull-up/Pull down for the selected pins.
This parameter can be a value of @ref GPIOPuPd_TypeDef */
}GPIO_InitTypeDef;
/* Exported constants --------------------------------------------------------*/
/** @defgroup GPIO_Exported_Constants
* @{
*/
/** @defgroup GPIO_pins_define
* @{
*/
#define GPIO_Pin_0 ((uint16_t)0x0001) /*!< Pin 0 selected */
#define GPIO_Pin_1 ((uint16_t)0x0002) /*!< Pin 1 selected */
#define GPIO_Pin_2 ((uint16_t)0x0004) /*!< Pin 2 selected */
#define GPIO_Pin_3 ((uint16_t)0x0008) /*!< Pin 3 selected */
#define GPIO_Pin_4 ((uint16_t)0x0010) /*!< Pin 4 selected */
#define GPIO_Pin_5 ((uint16_t)0x0020) /*!< Pin 5 selected */
#define GPIO_Pin_6 ((uint16_t)0x0040) /*!< Pin 6 selected */
#define GPIO_Pin_7 ((uint16_t)0x0080) /*!< Pin 7 selected */
#define GPIO_Pin_8 ((uint16_t)0x0100) /*!< Pin 8 selected */
#define GPIO_Pin_9 ((uint16_t)0x0200) /*!< Pin 9 selected */
#define GPIO_Pin_10 ((uint16_t)0x0400) /*!< Pin 10 selected */
#define GPIO_Pin_11 ((uint16_t)0x0800) /*!< Pin 11 selected */
#define GPIO_Pin_12 ((uint16_t)0x1000) /*!< Pin 12 selected */
#define GPIO_Pin_13 ((uint16_t)0x2000) /*!< Pin 13 selected */
#define GPIO_Pin_14 ((uint16_t)0x4000) /*!< Pin 14 selected */
#define GPIO_Pin_15 ((uint16_t)0x8000) /*!< Pin 15 selected */
#define GPIO_Pin_All ((uint16_t)0xFFFF) /*!< All pins selected */
#define IS_GPIO_PIN(PIN) ((PIN) != (uint16_t)0x00)
#define IS_GET_GPIO_PIN(PIN) (((PIN) == GPIO_Pin_0) || \
((PIN) == GPIO_Pin_1) || \
((PIN) == GPIO_Pin_2) || \
((PIN) == GPIO_Pin_3) || \
((PIN) == GPIO_Pin_4) || \
((PIN) == GPIO_Pin_5) || \
((PIN) == GPIO_Pin_6) || \
((PIN) == GPIO_Pin_7) || \
((PIN) == GPIO_Pin_8) || \
((PIN) == GPIO_Pin_9) || \
((PIN) == GPIO_Pin_10) || \
((PIN) == GPIO_Pin_11) || \
((PIN) == GPIO_Pin_12) || \
((PIN) == GPIO_Pin_13) || \
((PIN) == GPIO_Pin_14) || \
((PIN) == GPIO_Pin_15))
/**
* @}
*/
/** @defgroup GPIO_Pin_sources
* @{
*/
#define GPIO_PinSource0 ((uint8_t)0x00)
#define GPIO_PinSource1 ((uint8_t)0x01)
#define GPIO_PinSource2 ((uint8_t)0x02)
#define GPIO_PinSource3 ((uint8_t)0x03)
#define GPIO_PinSource4 ((uint8_t)0x04)
#define GPIO_PinSource5 ((uint8_t)0x05)
#define GPIO_PinSource6 ((uint8_t)0x06)
#define GPIO_PinSource7 ((uint8_t)0x07)
#define GPIO_PinSource8 ((uint8_t)0x08)
#define GPIO_PinSource9 ((uint8_t)0x09)
#define GPIO_PinSource10 ((uint8_t)0x0A)
#define GPIO_PinSource11 ((uint8_t)0x0B)
#define GPIO_PinSource12 ((uint8_t)0x0C)
#define GPIO_PinSource13 ((uint8_t)0x0D)
#define GPIO_PinSource14 ((uint8_t)0x0E)
#define GPIO_PinSource15 ((uint8_t)0x0F)
#define IS_GPIO_PIN_SOURCE(PINSOURCE) (((PINSOURCE) == GPIO_PinSource0) || \
((PINSOURCE) == GPIO_PinSource1) || \
((PINSOURCE) == GPIO_PinSource2) || \
((PINSOURCE) == GPIO_PinSource3) || \
((PINSOURCE) == GPIO_PinSource4) || \
((PINSOURCE) == GPIO_PinSource5) || \
((PINSOURCE) == GPIO_PinSource6) || \
((PINSOURCE) == GPIO_PinSource7) || \
((PINSOURCE) == GPIO_PinSource8) || \
((PINSOURCE) == GPIO_PinSource9) || \
((PINSOURCE) == GPIO_PinSource10) || \
((PINSOURCE) == GPIO_PinSource11) || \
((PINSOURCE) == GPIO_PinSource12) || \
((PINSOURCE) == GPIO_PinSource13) || \
((PINSOURCE) == GPIO_PinSource14) || \
((PINSOURCE) == GPIO_PinSource15))
/**
* @}
*/
/** @defgroup GPIO_Alternat_function_selection_define
* @{
*/
/**
* @brief AF 0 selection
*/
#define GPIO_AF_RTC_50Hz ((uint8_t)0x00) /*!< RTC 50/60 Hz Alternate Function mapping */
#define GPIO_AF_MCO ((uint8_t)0x00) /*!< MCO Alternate Function mapping */
#define GPIO_AF_RTC_AF1 ((uint8_t)0x00) /*!< RTC_AF1 Alternate Function mapping */
#define GPIO_AF_WKUP ((uint8_t)0x00) /*!< Wakeup (WKUP1, WKUP2 and WKUP3) Alternate Function mapping */
#define GPIO_AF_SWJ ((uint8_t)0x00) /*!< SWJ (SW and JTAG) Alternate Function mapping */
#define GPIO_AF_TRACE ((uint8_t)0x00) /*!< TRACE Alternate Function mapping */
/**
* @brief AF 1 selection
*/
#define GPIO_AF_TIM2 ((uint8_t)0x01) /*!< TIM2 Alternate Function mapping */
/**
* @brief AF 2 selection
*/
#define GPIO_AF_TIM3 ((uint8_t)0x02) /*!< TIM3 Alternate Function mapping */
#define GPIO_AF_TIM4 ((uint8_t)0x02) /*!< TIM4 Alternate Function mapping */
#define GPIO_AF_TIM5 ((uint8_t)0x02) /*!< TIM5 Alternate Function mapping */
/**
* @brief AF 3 selection
*/
#define GPIO_AF_TIM9 ((uint8_t)0x03) /*!< TIM9 Alternate Function mapping */
#define GPIO_AF_TIM10 ((uint8_t)0x03) /*!< TIM10 Alternate Function mapping */
#define GPIO_AF_TIM11 ((uint8_t)0x03) /*!< TIM11 Alternate Function mapping */
/**
* @brief AF 4 selection
*/
#define GPIO_AF_I2C1 ((uint8_t)0x04) /*!< I2C1 Alternate Function mapping */
#define GPIO_AF_I2C2 ((uint8_t)0x04) /*!< I2C2 Alternate Function mapping */
/**
* @brief AF 5 selection
*/
#define GPIO_AF_SPI1 ((uint8_t)0x05) /*!< SPI1 Alternate Function mapping */
#define GPIO_AF_SPI2 ((uint8_t)0x05) /*!< SPI2 Alternate Function mapping */
/**
* @brief AF 6 selection
*/
#define GPIO_AF_SPI3 ((uint8_t)0x06) /*!< SPI3 Alternate Function mapping */
/**
* @brief AF 7 selection
*/
#define GPIO_AF_USART1 ((uint8_t)0x07) /*!< USART1 Alternate Function mapping */
#define GPIO_AF_USART2 ((uint8_t)0x07) /*!< USART2 Alternate Function mapping */
#define GPIO_AF_USART3 ((uint8_t)0x07) /*!< USART3 Alternate Function mapping */
/**
* @brief AF 8 selection
*/
#define GPIO_AF_UART4 ((uint8_t)0x08) /*!< UART4 Alternate Function mapping */
#define GPIO_AF_UART5 ((uint8_t)0x08) /*!< UART5 Alternate Function mapping */
/**
* @brief AF 10 selection
*/
#define GPIO_AF_USB ((uint8_t)0xA) /*!< USB Full speed device Alternate Function mapping */
/**
* @brief AF 11 selection
*/
#define GPIO_AF_LCD ((uint8_t)0x0B) /*!< LCD Alternate Function mapping */
/**
* @brief AF 12 selection
*/
#define GPIO_AF_FSMC ((uint8_t)0x0C) /*!< FSMC Alternate Function mapping */
#define GPIO_AF_SDIO ((uint8_t)0x0C) /*!< SDIO Alternate Function mapping */
/**
* @brief AF 14 selection
*/
#define GPIO_AF_RI ((uint8_t)0x0E) /*!< RI Alternate Function mapping */
/**
* @brief AF 15 selection
*/
#define GPIO_AF_EVENTOUT ((uint8_t)0x0F) /*!< EVENTOUT Alternate Function mapping */
#define IS_GPIO_AF(AF) (((AF) == GPIO_AF_RTC_50Hz) || ((AF) == GPIO_AF_MCO) || \
((AF) == GPIO_AF_RTC_AF1) || ((AF) == GPIO_AF_WKUP) || \
((AF) == GPIO_AF_SWJ) || ((AF) == GPIO_AF_TRACE) || \
((AF) == GPIO_AF_TIM2) || ((AF)== GPIO_AF_TIM3) || \
((AF) == GPIO_AF_TIM4) || ((AF)== GPIO_AF_TIM9) || \
((AF) == GPIO_AF_TIM10) || ((AF)== GPIO_AF_TIM11) || \
((AF) == GPIO_AF_I2C1) || ((AF) == GPIO_AF_I2C2) || \
((AF) == GPIO_AF_SPI1) || ((AF) == GPIO_AF_SPI2) || \
((AF) == GPIO_AF_USART1) || ((AF) == GPIO_AF_USART2) || \
((AF) == GPIO_AF_USART3) || ((AF) == GPIO_AF_USB) || \
((AF) == GPIO_AF_LCD) || ((AF) == GPIO_AF_RI) || \
((AF) == GPIO_AF_TIM5) || ((AF) == GPIO_AF_SPI3) || \
((AF) == GPIO_AF_UART4) || ((AF) == GPIO_AF_UART5) || \
((AF) == GPIO_AF_FSMC) || ((AF) == GPIO_AF_SDIO) || \
((AF) == GPIO_AF_EVENTOUT))
/**
* @}
*/
/** @defgroup GPIO_Legacy
* @{
*/
#define GPIO_Mode_AIN GPIO_Mode_AN
/**
* @}
*/
/**
* @}
*/
/* Exported macro ------------------------------------------------------------*/
/* Exported functions ------------------------------------------------------- */
/* Function used to set the GPIO configuration to the default reset state ****/
void GPIO_DeInit(GPIO_TypeDef* GPIOx);
/* Initialization and Configuration functions *********************************/
void GPIO_Init(GPIO_TypeDef* GPIOx, GPIO_InitTypeDef* GPIO_InitStruct);
void GPIO_StructInit(GPIO_InitTypeDef* GPIO_InitStruct);
void GPIO_PinLockConfig(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin);
/* GPIO Read and Write functions **********************************************/
uint8_t GPIO_ReadInputDataBit(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin);
uint16_t GPIO_ReadInputData(GPIO_TypeDef* GPIOx);
uint8_t GPIO_ReadOutputDataBit(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin);
uint16_t GPIO_ReadOutputData(GPIO_TypeDef* GPIOx);
void GPIO_SetBits(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin);
void GPIO_ResetBits(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin);
void GPIO_WriteBit(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin, BitAction BitVal);
void GPIO_Write(GPIO_TypeDef* GPIOx, uint16_t PortVal);
void GPIO_ToggleBits(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin);
/* GPIO Alternate functions configuration functions ***************************/
void GPIO_PinAFConfig(GPIO_TypeDef* GPIOx, uint16_t GPIO_PinSource, uint8_t GPIO_AF);
#ifdef __cplusplus
}
#endif
#endif /*__STM32L1xx_GPIO_H */
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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