--- /dev/null
+/**\r
+ ******************************************************************************\r
+ * @file stm32l1xx_gpio.h\r
+ * @author MCD Application Team\r
+ * @version V1.0.0\r
+ * @date 31-December-2010\r
+ * @brief This file contains all the functions prototypes for the GPIO \r
+ * firmware library.\r
+ ******************************************************************************\r
+ * @attention\r
+ *\r
+ * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS\r
+ * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE\r
+ * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY\r
+ * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING\r
+ * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE\r
+ * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.\r
+ *\r
+ * <h2><center>© COPYRIGHT 2010 STMicroelectronics</center></h2>\r
+ ****************************************************************************** \r
+ */ \r
+\r
+/* Define to prevent recursive inclusion -------------------------------------*/\r
+#ifndef __STM32L1xx_GPIO_H\r
+#define __STM32L1xx_GPIO_H\r
+\r
+#ifdef __cplusplus\r
+ extern "C" {\r
+#endif\r
+\r
+/* Includes ------------------------------------------------------------------*/\r
+#include "stm32l1xx.h"\r
+\r
+/** @addtogroup STM32L1xx_StdPeriph_Driver\r
+ * @{\r
+ */\r
+\r
+/** @addtogroup GPIO\r
+ * @{\r
+ */\r
+\r
+/* Exported types ------------------------------------------------------------*/\r
+\r
+#define IS_GPIO_ALL_PERIPH(PERIPH) (((PERIPH) == GPIOA) || \\r
+ ((PERIPH) == GPIOB) || \\r
+ ((PERIPH) == GPIOC) || \\r
+ ((PERIPH) == GPIOD) || \\r
+ ((PERIPH) == GPIOE) || \\r
+ ((PERIPH) == GPIOH))\r
+\r
+/** @defgroup Configuration_Mode_enumeration \r
+ * @{\r
+ */ \r
+typedef enum\r
+{ \r
+ GPIO_Mode_IN = 0x00, /*!< GPIO Input Mode */\r
+ GPIO_Mode_OUT = 0x01, /*!< GPIO Output Mode */\r
+ GPIO_Mode_AF = 0x02, /*!< GPIO Alternate function Mode */\r
+ GPIO_Mode_AN = 0x03 /*!< GPIO Analog Mode */\r
+}GPIOMode_TypeDef;\r
+#define IS_GPIO_MODE(MODE) (((MODE) == GPIO_Mode_IN) || ((MODE) == GPIO_Mode_OUT) || \\r
+ ((MODE) == GPIO_Mode_AF)|| ((MODE) == GPIO_Mode_AN))\r
+/**\r
+ * @}\r
+ */\r
+\r
+/** @defgroup Output_type_enumeration\r
+ * @{\r
+ */ \r
+typedef enum\r
+{ GPIO_OType_PP = 0x00,\r
+ GPIO_OType_OD = 0x01\r
+}GPIOOType_TypeDef;\r
+#define IS_GPIO_OTYPE(OTYPE) (((OTYPE) == GPIO_OType_PP) || ((OTYPE) == GPIO_OType_OD))\r
+\r
+/**\r
+ * @}\r
+ */\r
+\r
+/** @defgroup Output_Maximum_frequency_enumeration \r
+ * @{\r
+ */ \r
+typedef enum\r
+{ \r
+ GPIO_Speed_400KHz = 0x00, /*!< Very Low Speed */\r
+ GPIO_Speed_2MHz = 0x01, /*!< Low Speed */\r
+ GPIO_Speed_10MHz = 0x02, /*!< Medium Speed */\r
+ GPIO_Speed_40MHz = 0x03 /*!< High Speed */\r
+}GPIOSpeed_TypeDef;\r
+#define IS_GPIO_SPEED(SPEED) (((SPEED) == GPIO_Speed_400KHz) || ((SPEED) == GPIO_Speed_2MHz) || \\r
+ ((SPEED) == GPIO_Speed_10MHz)|| ((SPEED) == GPIO_Speed_40MHz))\r
+/**\r
+ * @}\r
+ */\r
+\r
+/** @defgroup Configuration_Pull-Up_Pull-Down_enumeration \r
+ * @{\r
+ */ \r
+typedef enum\r
+{ GPIO_PuPd_NOPULL = 0x00,\r
+ GPIO_PuPd_UP = 0x01,\r
+ GPIO_PuPd_DOWN = 0x02\r
+}GPIOPuPd_TypeDef;\r
+#define IS_GPIO_PUPD(PUPD) (((PUPD) == GPIO_PuPd_NOPULL) || ((PUPD) == GPIO_PuPd_UP) || \\r
+ ((PUPD) == GPIO_PuPd_DOWN))\r
+/**\r
+ * @}\r
+ */\r
+\r
+/** @defgroup Bit_SET_and_Bit_RESET_enumeration\r
+ * @{\r
+ */\r
+typedef enum\r
+{ Bit_RESET = 0,\r
+ Bit_SET\r
+}BitAction;\r
+#define IS_GPIO_BIT_ACTION(ACTION) (((ACTION) == Bit_RESET) || ((ACTION) == Bit_SET))\r
+\r
+/**\r
+ * @}\r
+ */\r
+\r
+/** \r
+ * @brief GPIO Init structure definition\r
+ */ \r
+typedef struct\r
+{\r
+ uint32_t GPIO_Pin; /*!< Specifies the GPIO pins to be configured.\r
+ This parameter can be any value of @ref GPIO_pins_define */\r
+\r
+ GPIOMode_TypeDef GPIO_Mode; /*!< Specifies the operating mode for the selected pins.\r
+ This parameter can be a value of @ref GPIOMode_TypeDef */\r
+\r
+ GPIOSpeed_TypeDef GPIO_Speed; /*!< Specifies the speed for the selected pins.\r
+ This parameter can be a value of @ref GPIOSpeed_TypeDef */\r
+\r
+ GPIOOType_TypeDef GPIO_OType; /*!< Specifies the operating output type for the selected pins.\r
+ This parameter can be a value of @ref GPIOOType_TypeDef */\r
+\r
+ GPIOPuPd_TypeDef GPIO_PuPd; /*!< Specifies the operating Pull-up/Pull down for the selected pins.\r
+ This parameter can be a value of @ref GPIOPuPd_TypeDef */\r
+}GPIO_InitTypeDef;\r
+\r
+/* Exported constants --------------------------------------------------------*/\r
+\r
+/** @defgroup GPIO_Exported_Constants\r
+ * @{\r
+ */\r
+ \r
+/** @defgroup GPIO_pins_define \r
+ * @{\r
+ */\r
+#define GPIO_Pin_0 ((uint16_t)0x0001) /*!< Pin 0 selected */\r
+#define GPIO_Pin_1 ((uint16_t)0x0002) /*!< Pin 1 selected */\r
+#define GPIO_Pin_2 ((uint16_t)0x0004) /*!< Pin 2 selected */\r
+#define GPIO_Pin_3 ((uint16_t)0x0008) /*!< Pin 3 selected */\r
+#define GPIO_Pin_4 ((uint16_t)0x0010) /*!< Pin 4 selected */\r
+#define GPIO_Pin_5 ((uint16_t)0x0020) /*!< Pin 5 selected */\r
+#define GPIO_Pin_6 ((uint16_t)0x0040) /*!< Pin 6 selected */\r
+#define GPIO_Pin_7 ((uint16_t)0x0080) /*!< Pin 7 selected */\r
+#define GPIO_Pin_8 ((uint16_t)0x0100) /*!< Pin 8 selected */\r
+#define GPIO_Pin_9 ((uint16_t)0x0200) /*!< Pin 9 selected */\r
+#define GPIO_Pin_10 ((uint16_t)0x0400) /*!< Pin 10 selected */\r
+#define GPIO_Pin_11 ((uint16_t)0x0800) /*!< Pin 11 selected */\r
+#define GPIO_Pin_12 ((uint16_t)0x1000) /*!< Pin 12 selected */\r
+#define GPIO_Pin_13 ((uint16_t)0x2000) /*!< Pin 13 selected */\r
+#define GPIO_Pin_14 ((uint16_t)0x4000) /*!< Pin 14 selected */\r
+#define GPIO_Pin_15 ((uint16_t)0x8000) /*!< Pin 15 selected */\r
+#define GPIO_Pin_All ((uint16_t)0xFFFF) /*!< All pins selected */\r
+\r
+#define IS_GPIO_PIN(PIN) ((PIN) != (uint16_t)0x00)\r
+#define IS_GET_GPIO_PIN(PIN) (((PIN) == GPIO_Pin_0) || \\r
+ ((PIN) == GPIO_Pin_1) || \\r
+ ((PIN) == GPIO_Pin_2) || \\r
+ ((PIN) == GPIO_Pin_3) || \\r
+ ((PIN) == GPIO_Pin_4) || \\r
+ ((PIN) == GPIO_Pin_5) || \\r
+ ((PIN) == GPIO_Pin_6) || \\r
+ ((PIN) == GPIO_Pin_7) || \\r
+ ((PIN) == GPIO_Pin_8) || \\r
+ ((PIN) == GPIO_Pin_9) || \\r
+ ((PIN) == GPIO_Pin_10) || \\r
+ ((PIN) == GPIO_Pin_11) || \\r
+ ((PIN) == GPIO_Pin_12) || \\r
+ ((PIN) == GPIO_Pin_13) || \\r
+ ((PIN) == GPIO_Pin_14) || \\r
+ ((PIN) == GPIO_Pin_15))\r
+/**\r
+ * @}\r
+ */\r
+\r
+/** @defgroup GPIO_Pin_sources \r
+ * @{\r
+ */ \r
+#define GPIO_PinSource0 ((uint8_t)0x00)\r
+#define GPIO_PinSource1 ((uint8_t)0x01)\r
+#define GPIO_PinSource2 ((uint8_t)0x02)\r
+#define GPIO_PinSource3 ((uint8_t)0x03)\r
+#define GPIO_PinSource4 ((uint8_t)0x04)\r
+#define GPIO_PinSource5 ((uint8_t)0x05)\r
+#define GPIO_PinSource6 ((uint8_t)0x06)\r
+#define GPIO_PinSource7 ((uint8_t)0x07)\r
+#define GPIO_PinSource8 ((uint8_t)0x08)\r
+#define GPIO_PinSource9 ((uint8_t)0x09)\r
+#define GPIO_PinSource10 ((uint8_t)0x0A)\r
+#define GPIO_PinSource11 ((uint8_t)0x0B)\r
+#define GPIO_PinSource12 ((uint8_t)0x0C)\r
+#define GPIO_PinSource13 ((uint8_t)0x0D)\r
+#define GPIO_PinSource14 ((uint8_t)0x0E)\r
+#define GPIO_PinSource15 ((uint8_t)0x0F)\r
+\r
+#define IS_GPIO_PIN_SOURCE(PINSOURCE) (((PINSOURCE) == GPIO_PinSource0) || \\r
+ ((PINSOURCE) == GPIO_PinSource1) || \\r
+ ((PINSOURCE) == GPIO_PinSource2) || \\r
+ ((PINSOURCE) == GPIO_PinSource3) || \\r
+ ((PINSOURCE) == GPIO_PinSource4) || \\r
+ ((PINSOURCE) == GPIO_PinSource5) || \\r
+ ((PINSOURCE) == GPIO_PinSource6) || \\r
+ ((PINSOURCE) == GPIO_PinSource7) || \\r
+ ((PINSOURCE) == GPIO_PinSource8) || \\r
+ ((PINSOURCE) == GPIO_PinSource9) || \\r
+ ((PINSOURCE) == GPIO_PinSource10) || \\r
+ ((PINSOURCE) == GPIO_PinSource11) || \\r
+ ((PINSOURCE) == GPIO_PinSource12) || \\r
+ ((PINSOURCE) == GPIO_PinSource13) || \\r
+ ((PINSOURCE) == GPIO_PinSource14) || \\r
+ ((PINSOURCE) == GPIO_PinSource15))\r
+/**\r
+ * @}\r
+ */\r
+\r
+/** @defgroup GPIO_Alternat_function_selection_define \r
+ * @{\r
+ */\r
+\r
+/** \r
+ * @brief AF 0 selection \r
+ */ \r
+#define GPIO_AF_RTC_50Hz ((uint8_t)0x00) /*!< RTC 50/60 Hz Alternate Function mapping */\r
+#define GPIO_AF_MCO ((uint8_t)0x00) /*!< MCO Alternate Function mapping */\r
+#define GPIO_AF_RTC_AF1 ((uint8_t)0x00) /*!< RTC_AF1 Alternate Function mapping */\r
+#define GPIO_AF_WKUP ((uint8_t)0x00) /*!< Wakeup (WKUP1, WKUP2 and WKUP3) Alternate Function mapping */\r
+#define GPIO_AF_SWJ ((uint8_t)0x00) /*!< SWJ (SW and JTAG) Alternate Function mapping */\r
+#define GPIO_AF_TRACE ((uint8_t)0x00) /*!< TRACE Alternate Function mapping */\r
+\r
+/** \r
+ * @brief AF 1 selection \r
+ */ \r
+#define GPIO_AF_TIM2 ((uint8_t)0x01) /*!< TIM2 Alternate Function mapping */\r
+/** \r
+ * @brief AF 2 selection \r
+ */ \r
+#define GPIO_AF_TIM3 ((uint8_t)0x02) /*!< TIM3 Alternate Function mapping */\r
+#define GPIO_AF_TIM4 ((uint8_t)0x02) /*!< TIM4 Alternate Function mapping */\r
+/** \r
+ * @brief AF 3 selection \r
+ */ \r
+#define GPIO_AF_TIM9 ((uint8_t)0x03) /*!< TIM9 Alternate Function mapping */\r
+#define GPIO_AF_TIM10 ((uint8_t)0x03) /*!< TIM10 Alternate Function mapping */\r
+#define GPIO_AF_TIM11 ((uint8_t)0x03) /*!< TIM11 Alternate Function mapping */\r
+/** \r
+ * @brief AF 4 selection \r
+ */ \r
+#define GPIO_AF_I2C1 ((uint8_t)0x04) /*!< I2C1 Alternate Function mapping */\r
+#define GPIO_AF_I2C2 ((uint8_t)0x04) /*!< I2C2 Alternate Function mapping */\r
+/** \r
+ * @brief AF 5 selection \r
+ */ \r
+#define GPIO_AF_SPI1 ((uint8_t)0x05) /*!< SPI1 Alternate Function mapping */\r
+#define GPIO_AF_SPI2 ((uint8_t)0x05) /*!< SPI2 Alternate Function mapping */\r
+/** \r
+ * @brief AF 7 selection \r
+ */ \r
+#define GPIO_AF_USART1 ((uint8_t)0x07) /*!< USART1 Alternate Function mapping */\r
+#define GPIO_AF_USART2 ((uint8_t)0x07) /*!< USART2 Alternate Function mapping */\r
+#define GPIO_AF_USART3 ((uint8_t)0x07) /*!< USART3 Alternate Function mapping */\r
+/** \r
+ * @brief AF 10 selection \r
+ */ \r
+#define GPIO_AF_USB ((uint8_t)0xA) /*!< USB Full speed device Alternate Function mapping */\r
+/** \r
+ * @brief AF 11 selection \r
+ */ \r
+#define GPIO_AF_LCD ((uint8_t)0x0B) /*!< LCD Alternate Function mapping */\r
+/** \r
+ * @brief AF 14 selection \r
+ */ \r
+#define GPIO_AF_RI ((uint8_t)0x0E) /*!< RI Alternate Function mapping */\r
+\r
+/** \r
+ * @brief AF 15 selection \r
+ */ \r
+#define GPIO_AF_EVENTOUT ((uint8_t)0x0F) /*!< EVENTOUT Alternate Function mapping */\r
+\r
+#define IS_GPIO_AF(AF) (((AF) == GPIO_AF_RTC_50Hz) || ((AF) == GPIO_AF_MCO) || \\r
+ ((AF) == GPIO_AF_RTC_AF1) || ((AF) == GPIO_AF_WKUP) || \\r
+ ((AF) == GPIO_AF_SWJ) || ((AF) == GPIO_AF_TRACE) || \\r
+ ((AF) == GPIO_AF_TIM2) || ((AF)== GPIO_AF_TIM3) || \\r
+ ((AF) == GPIO_AF_TIM4) || ((AF)== GPIO_AF_TIM9) || \\r
+ ((AF) == GPIO_AF_TIM10) || ((AF)== GPIO_AF_TIM11) || \\r
+ ((AF) == GPIO_AF_I2C1) || ((AF) == GPIO_AF_I2C2) || \\r
+ ((AF) == GPIO_AF_SPI1) || ((AF) == GPIO_AF_SPI2) || \\r
+ ((AF) == GPIO_AF_USART1) || ((AF) == GPIO_AF_USART2) || \\r
+ ((AF) == GPIO_AF_USART3) || ((AF) == GPIO_AF_USB) || \\r
+ ((AF) == GPIO_AF_LCD) || ((AF) == GPIO_AF_RI) || \\r
+ ((AF) == GPIO_AF_EVENTOUT))\r
+\r
+/**\r
+ * @}\r
+ */\r
+\r
+/** @defgroup GPIO_Legacy \r
+ * @{\r
+ */\r
+ \r
+#define GPIO_Mode_AIN GPIO_Mode_AN\r
+\r
+/**\r
+ * @}\r
+ */\r
+\r
+/**\r
+ * @}\r
+ */ \r
+ \r
+/* Exported macro ------------------------------------------------------------*/\r
+/* Exported functions ------------------------------------------------------- */\r
+\r
+/* Function used to set the GPIO configuration to the default reset state ****/\r
+void GPIO_DeInit(GPIO_TypeDef* GPIOx);\r
+\r
+/* Initialization and Configuration functions *********************************/\r
+void GPIO_Init(GPIO_TypeDef* GPIOx, GPIO_InitTypeDef* GPIO_InitStruct);\r
+void GPIO_StructInit(GPIO_InitTypeDef* GPIO_InitStruct);\r
+void GPIO_PinLockConfig(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin);\r
+\r
+/* GPIO Read and Write functions **********************************************/\r
+uint8_t GPIO_ReadInputDataBit(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin);\r
+uint16_t GPIO_ReadInputData(GPIO_TypeDef* GPIOx);\r
+uint8_t GPIO_ReadOutputDataBit(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin);\r
+uint16_t GPIO_ReadOutputData(GPIO_TypeDef* GPIOx);\r
+void GPIO_SetBits(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin);\r
+void GPIO_ResetBits(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin);\r
+void GPIO_WriteBit(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin, BitAction BitVal);\r
+void GPIO_Write(GPIO_TypeDef* GPIOx, uint16_t PortVal);\r
+\r
+/* GPIO Alternate functions configuration functions ***************************/\r
+void GPIO_PinAFConfig(GPIO_TypeDef* GPIOx, uint16_t GPIO_PinSource, uint8_t GPIO_AF);\r
+\r
+#ifdef __cplusplus\r
+}\r
+#endif\r
+\r
+#endif /*__STM32L1xx_GPIO_H */\r
+\r
+/**\r
+ * @}\r
+ */\r
+\r
+/**\r
+ * @}\r
+ */\r
+\r
+/******************* (C) COPYRIGHT 2010 STMicroelectronics *****END OF FILE****/\r
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