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diff --git a/Libraries/STM32F10x_StdPeriph_Driver/src/stm32f10x_exti.c b/Libraries/STM32F10x_StdPeriph_Driver/src/stm32f10x_exti.c
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+/**
+ ******************************************************************************
+ * @file stm32f10x_exti.c
+ * @author MCD Application Team
+ * @version V3.3.0
+ * @date 04/16/2010
+ * @brief This file provides all the EXTI firmware functions.
+ ******************************************************************************
+ * @copy
+ *
+ * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
+ * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
+ * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
+ * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
+ * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
+ * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
+ *
+ * <h2><center>&copy; COPYRIGHT 2010 STMicroelectronics</center></h2>
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f10x_exti.h"
+
+/** @addtogroup STM32F10x_StdPeriph_Driver
+ * @{
+ */
+
+/** @defgroup EXTI
+ * @brief EXTI driver modules
+ * @{
+ */
+
+/** @defgroup EXTI_Private_TypesDefinitions
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+/** @defgroup EXTI_Private_Defines
+ * @{
+ */
+
+#define EXTI_LineNone ((uint32_t)0x00000) /* No interrupt selected */
+
+/**
+ * @}
+ */
+
+/** @defgroup EXTI_Private_Macros
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+/** @defgroup EXTI_Private_Variables
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+/** @defgroup EXTI_Private_FunctionPrototypes
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+/** @defgroup EXTI_Private_Functions
+ * @{
+ */
+
+/**
+ * @brief Deinitializes the EXTI peripheral registers to their default reset values.
+ * @param None
+ * @retval None
+ */
+void EXTI_DeInit(void)
+{
+ EXTI->IMR = 0x00000000;
+ EXTI->EMR = 0x00000000;
+ EXTI->RTSR = 0x00000000;
+ EXTI->FTSR = 0x00000000;
+ EXTI->PR = 0x000FFFFF;
+}
+
+/**
+ * @brief Initializes the EXTI peripheral according to the specified
+ * parameters in the EXTI_InitStruct.
+ * @param EXTI_InitStruct: pointer to a EXTI_InitTypeDef structure
+ * that contains the configuration information for the EXTI peripheral.
+ * @retval None
+ */
+void EXTI_Init(EXTI_InitTypeDef* EXTI_InitStruct)
+{
+ uint32_t tmp = 0;
+
+ /* Check the parameters */
+ assert_param(IS_EXTI_MODE(EXTI_InitStruct->EXTI_Mode));
+ assert_param(IS_EXTI_TRIGGER(EXTI_InitStruct->EXTI_Trigger));
+ assert_param(IS_EXTI_LINE(EXTI_InitStruct->EXTI_Line));
+ assert_param(IS_FUNCTIONAL_STATE(EXTI_InitStruct->EXTI_LineCmd));
+
+ tmp = (uint32_t)EXTI_BASE;
+
+ if (EXTI_InitStruct->EXTI_LineCmd != DISABLE)
+ {
+ /* Clear EXTI line configuration */
+ EXTI->IMR &= ~EXTI_InitStruct->EXTI_Line;
+ EXTI->EMR &= ~EXTI_InitStruct->EXTI_Line;
+
+ tmp += EXTI_InitStruct->EXTI_Mode;
+
+ *(__IO uint32_t *) tmp |= EXTI_InitStruct->EXTI_Line;
+
+ /* Clear Rising Falling edge configuration */
+ EXTI->RTSR &= ~EXTI_InitStruct->EXTI_Line;
+ EXTI->FTSR &= ~EXTI_InitStruct->EXTI_Line;
+
+ /* Select the trigger for the selected external interrupts */
+ if (EXTI_InitStruct->EXTI_Trigger == EXTI_Trigger_Rising_Falling)
+ {
+ /* Rising Falling edge */
+ EXTI->RTSR |= EXTI_InitStruct->EXTI_Line;
+ EXTI->FTSR |= EXTI_InitStruct->EXTI_Line;
+ }
+ else
+ {
+ tmp = (uint32_t)EXTI_BASE;
+ tmp += EXTI_InitStruct->EXTI_Trigger;
+
+ *(__IO uint32_t *) tmp |= EXTI_InitStruct->EXTI_Line;
+ }
+ }
+ else
+ {
+ tmp += EXTI_InitStruct->EXTI_Mode;
+
+ /* Disable the selected external lines */
+ *(__IO uint32_t *) tmp &= ~EXTI_InitStruct->EXTI_Line;
+ }
+}
+
+/**
+ * @brief Fills each EXTI_InitStruct member with its reset value.
+ * @param EXTI_InitStruct: pointer to a EXTI_InitTypeDef structure which will
+ * be initialized.
+ * @retval None
+ */
+void EXTI_StructInit(EXTI_InitTypeDef* EXTI_InitStruct)
+{
+ EXTI_InitStruct->EXTI_Line = EXTI_LineNone;
+ EXTI_InitStruct->EXTI_Mode = EXTI_Mode_Interrupt;
+ EXTI_InitStruct->EXTI_Trigger = EXTI_Trigger_Falling;
+ EXTI_InitStruct->EXTI_LineCmd = DISABLE;
+}
+
+/**
+ * @brief Generates a Software interrupt.
+ * @param EXTI_Line: specifies the EXTI lines to be enabled or disabled.
+ * This parameter can be any combination of EXTI_Linex where x can be (0..19).
+ * @retval None
+ */
+void EXTI_GenerateSWInterrupt(uint32_t EXTI_Line)
+{
+ /* Check the parameters */
+ assert_param(IS_EXTI_LINE(EXTI_Line));
+
+ EXTI->SWIER |= EXTI_Line;
+}
+
+/**
+ * @brief Checks whether the specified EXTI line flag is set or not.
+ * @param EXTI_Line: specifies the EXTI line flag to check.
+ * This parameter can be:
+ * @arg EXTI_Linex: External interrupt line x where x(0..19)
+ * @retval The new state of EXTI_Line (SET or RESET).
+ */
+FlagStatus EXTI_GetFlagStatus(uint32_t EXTI_Line)
+{
+ FlagStatus bitstatus = RESET;
+ /* Check the parameters */
+ assert_param(IS_GET_EXTI_LINE(EXTI_Line));
+
+ if ((EXTI->PR & EXTI_Line) != (uint32_t)RESET)
+ {
+ bitstatus = SET;
+ }
+ else
+ {
+ bitstatus = RESET;
+ }
+ return bitstatus;
+}
+
+/**
+ * @brief Clears the EXTI’s line pending flags.
+ * @param EXTI_Line: specifies the EXTI lines flags to clear.
+ * This parameter can be any combination of EXTI_Linex where x can be (0..19).
+ * @retval None
+ */
+void EXTI_ClearFlag(uint32_t EXTI_Line)
+{
+ /* Check the parameters */
+ assert_param(IS_EXTI_LINE(EXTI_Line));
+
+ EXTI->PR = EXTI_Line;
+}
+
+/**
+ * @brief Checks whether the specified EXTI line is asserted or not.
+ * @param EXTI_Line: specifies the EXTI line to check.
+ * This parameter can be:
+ * @arg EXTI_Linex: External interrupt line x where x(0..19)
+ * @retval The new state of EXTI_Line (SET or RESET).
+ */
+ITStatus EXTI_GetITStatus(uint32_t EXTI_Line)
+{
+ ITStatus bitstatus = RESET;
+ uint32_t enablestatus = 0;
+ /* Check the parameters */
+ assert_param(IS_GET_EXTI_LINE(EXTI_Line));
+
+ enablestatus = EXTI->IMR & EXTI_Line;
+ if (((EXTI->PR & EXTI_Line) != (uint32_t)RESET) && (enablestatus != (uint32_t)RESET))
+ {
+ bitstatus = SET;
+ }
+ else
+ {
+ bitstatus = RESET;
+ }
+ return bitstatus;
+}
+
+/**
+ * @brief Clears the EXTI’s line pending bits.
+ * @param EXTI_Line: specifies the EXTI lines to clear.
+ * This parameter can be any combination of EXTI_Linex where x can be (0..19).
+ * @retval None
+ */
+void EXTI_ClearITPendingBit(uint32_t EXTI_Line)
+{
+ /* Check the parameters */
+ assert_param(IS_EXTI_LINE(EXTI_Line));
+
+ EXTI->PR = EXTI_Line;
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/******************* (C) COPYRIGHT 2010 STMicroelectronics *****END OF FILE****/