diff --git a/targets/stm32l432/build/common.mk b/targets/stm32l432/build/common.mk
index 7c0ae32..9e09ffa 100644
--- a/targets/stm32l432/build/common.mk
+++ b/targets/stm32l432/build/common.mk
@@ -6,7 +6,7 @@ AR=$(PREFIX)arm-none-eabi-ar
DRIVER_LIBS := lib/stm32l4xx_hal_pcd.c lib/stm32l4xx_hal_pcd_ex.c lib/stm32l4xx_ll_gpio.c \
lib/stm32l4xx_ll_rcc.c lib/stm32l4xx_ll_rng.c lib/stm32l4xx_ll_tim.c \
lib/stm32l4xx_ll_usb.c lib/stm32l4xx_ll_utils.c lib/stm32l4xx_ll_pwr.c \
- lib/stm32l4xx_ll_usart.c lib/stm32l4xx_ll_spi.c
+ lib/stm32l4xx_ll_usart.c lib/stm32l4xx_ll_spi.c lib/stm32l4xx_ll_exti.c
USB_LIB := lib/usbd/usbd_cdc.c lib/usbd/usbd_cdc_if.c lib/usbd/usbd_composite.c \
lib/usbd/usbd_conf.c lib/usbd/usbd_core.c lib/usbd/usbd_ioreq.c \
diff --git a/targets/stm32l432/lib/stm32l4xx_ll_exti.c b/targets/stm32l432/lib/stm32l4xx_ll_exti.c
new file mode 100644
index 0000000..5c52247
--- /dev/null
+++ b/targets/stm32l432/lib/stm32l4xx_ll_exti.c
@@ -0,0 +1,290 @@
+/**
+ ******************************************************************************
+ * @file stm32l4xx_ll_exti.c
+ * @author MCD Application Team
+ * @brief EXTI LL module driver.
+ ******************************************************************************
+ * @attention
+ *
+ *
© Copyright (c) 2017 STMicroelectronics.
+ * All rights reserved.
+ *
+ * This software component is licensed by ST under BSD 3-Clause license,
+ * the "License"; You may not use this file except in compliance with the
+ * License. You may obtain a copy of the License at:
+ * opensource.org/licenses/BSD-3-Clause
+ *
+ ******************************************************************************
+ */
+#if defined(USE_FULL_LL_DRIVER)
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32l4xx_ll_exti.h"
+#ifdef USE_FULL_ASSERT
+#include "stm32_assert.h"
+#else
+#define assert_param(expr) ((void)0U)
+#endif
+
+/** @addtogroup STM32L4xx_LL_Driver
+ * @{
+ */
+
+#if defined (EXTI)
+
+/** @defgroup EXTI_LL EXTI
+ * @{
+ */
+
+/* Private types -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private constants ---------------------------------------------------------*/
+/* Private macros ------------------------------------------------------------*/
+/** @addtogroup EXTI_LL_Private_Macros
+ * @{
+ */
+
+#define IS_LL_EXTI_LINE_0_31(__VALUE__) (((__VALUE__) & ~LL_EXTI_LINE_ALL_0_31) == 0x00000000U)
+#define IS_LL_EXTI_LINE_32_63(__VALUE__) (((__VALUE__) & ~LL_EXTI_LINE_ALL_32_63) == 0x00000000U)
+
+#define IS_LL_EXTI_MODE(__VALUE__) (((__VALUE__) == LL_EXTI_MODE_IT) \
+ || ((__VALUE__) == LL_EXTI_MODE_EVENT) \
+ || ((__VALUE__) == LL_EXTI_MODE_IT_EVENT))
+
+
+#define IS_LL_EXTI_TRIGGER(__VALUE__) (((__VALUE__) == LL_EXTI_TRIGGER_NONE) \
+ || ((__VALUE__) == LL_EXTI_TRIGGER_RISING) \
+ || ((__VALUE__) == LL_EXTI_TRIGGER_FALLING) \
+ || ((__VALUE__) == LL_EXTI_TRIGGER_RISING_FALLING))
+
+/**
+ * @}
+ */
+
+/* Private function prototypes -----------------------------------------------*/
+
+/* Exported functions --------------------------------------------------------*/
+/** @addtogroup EXTI_LL_Exported_Functions
+ * @{
+ */
+
+/** @addtogroup EXTI_LL_EF_Init
+ * @{
+ */
+
+/**
+ * @brief De-initialize the EXTI registers to their default reset values.
+ * @retval An ErrorStatus enumeration value:
+ * - 0x00: EXTI registers are de-initialized
+ */
+uint32_t LL_EXTI_DeInit(void)
+{
+ /* Interrupt mask register set to default reset values */
+ LL_EXTI_WriteReg(IMR1, 0xFF820000U);
+ /* Event mask register set to default reset values */
+ LL_EXTI_WriteReg(EMR1, 0x00000000U);
+ /* Rising Trigger selection register set to default reset values */
+ LL_EXTI_WriteReg(RTSR1, 0x00000000U);
+ /* Falling Trigger selection register set to default reset values */
+ LL_EXTI_WriteReg(FTSR1, 0x00000000U);
+ /* Software interrupt event register set to default reset values */
+ LL_EXTI_WriteReg(SWIER1, 0x00000000U);
+ /* Pending register clear */
+ LL_EXTI_WriteReg(PR1, 0x007DFFFFU);
+
+ /* Interrupt mask register 2 set to default reset values */
+#if defined(LL_EXTI_LINE_40)
+ LL_EXTI_WriteReg(IMR2, 0x00000187U);
+#else
+ LL_EXTI_WriteReg(IMR2, 0x00000087U);
+#endif
+ /* Event mask register 2 set to default reset values */
+ LL_EXTI_WriteReg(EMR2, 0x00000000U);
+ /* Rising Trigger selection register 2 set to default reset values */
+ LL_EXTI_WriteReg(RTSR2, 0x00000000U);
+ /* Falling Trigger selection register 2 set to default reset values */
+ LL_EXTI_WriteReg(FTSR2, 0x00000000U);
+ /* Software interrupt event register 2 set to default reset values */
+ LL_EXTI_WriteReg(SWIER2, 0x00000000U);
+ /* Pending register 2 clear */
+ LL_EXTI_WriteReg(PR2, 0x00000078U);
+
+ return 0x00u;
+}
+
+/**
+ * @brief Initialize the EXTI registers according to the specified parameters in EXTI_InitStruct.
+ * @param EXTI_InitStruct pointer to a @ref LL_EXTI_InitTypeDef structure.
+ * @retval An ErrorStatus enumeration value:
+ * - 0x00: EXTI registers are initialized
+ * - any other calue : wrong configuration
+ */
+uint32_t LL_EXTI_Init(LL_EXTI_InitTypeDef *EXTI_InitStruct)
+{
+ uint32_t status = 0x00u;
+
+ /* Check the parameters */
+ assert_param(IS_LL_EXTI_LINE_0_31(EXTI_InitStruct->Line_0_31));
+ assert_param(IS_LL_EXTI_LINE_32_63(EXTI_InitStruct->Line_32_63));
+ assert_param(IS_FUNCTIONAL_STATE(EXTI_InitStruct->LineCommand));
+ assert_param(IS_LL_EXTI_MODE(EXTI_InitStruct->Mode));
+
+ /* ENABLE LineCommand */
+ if (EXTI_InitStruct->LineCommand != DISABLE)
+ {
+ assert_param(IS_LL_EXTI_TRIGGER(EXTI_InitStruct->Trigger));
+
+ /* Configure EXTI Lines in range from 0 to 31 */
+ if (EXTI_InitStruct->Line_0_31 != LL_EXTI_LINE_NONE)
+ {
+ switch (EXTI_InitStruct->Mode)
+ {
+ case LL_EXTI_MODE_IT:
+ /* First Disable Event on provided Lines */
+ LL_EXTI_DisableEvent_0_31(EXTI_InitStruct->Line_0_31);
+ /* Then Enable IT on provided Lines */
+ LL_EXTI_EnableIT_0_31(EXTI_InitStruct->Line_0_31);
+ break;
+ case LL_EXTI_MODE_EVENT:
+ /* First Disable IT on provided Lines */
+ LL_EXTI_DisableIT_0_31(EXTI_InitStruct->Line_0_31);
+ /* Then Enable Event on provided Lines */
+ LL_EXTI_EnableEvent_0_31(EXTI_InitStruct->Line_0_31);
+ break;
+ case LL_EXTI_MODE_IT_EVENT:
+ /* Directly Enable IT & Event on provided Lines */
+ LL_EXTI_EnableIT_0_31(EXTI_InitStruct->Line_0_31);
+ LL_EXTI_EnableEvent_0_31(EXTI_InitStruct->Line_0_31);
+ break;
+ default:
+ status = 0x01u;
+ break;
+ }
+ if (EXTI_InitStruct->Trigger != LL_EXTI_TRIGGER_NONE)
+ {
+ switch (EXTI_InitStruct->Trigger)
+ {
+ case LL_EXTI_TRIGGER_RISING:
+ /* First Disable Falling Trigger on provided Lines */
+ LL_EXTI_DisableFallingTrig_0_31(EXTI_InitStruct->Line_0_31);
+ /* Then Enable Rising Trigger on provided Lines */
+ LL_EXTI_EnableRisingTrig_0_31(EXTI_InitStruct->Line_0_31);
+ break;
+ case LL_EXTI_TRIGGER_FALLING:
+ /* First Disable Rising Trigger on provided Lines */
+ LL_EXTI_DisableRisingTrig_0_31(EXTI_InitStruct->Line_0_31);
+ /* Then Enable Falling Trigger on provided Lines */
+ LL_EXTI_EnableFallingTrig_0_31(EXTI_InitStruct->Line_0_31);
+ break;
+ case LL_EXTI_TRIGGER_RISING_FALLING:
+ LL_EXTI_EnableRisingTrig_0_31(EXTI_InitStruct->Line_0_31);
+ LL_EXTI_EnableFallingTrig_0_31(EXTI_InitStruct->Line_0_31);
+ break;
+ default:
+ status |= 0x02u;
+ break;
+ }
+ }
+ }
+ /* Configure EXTI Lines in range from 32 to 63 */
+ if (EXTI_InitStruct->Line_32_63 != LL_EXTI_LINE_NONE)
+ {
+ switch (EXTI_InitStruct->Mode)
+ {
+ case LL_EXTI_MODE_IT:
+ /* First Disable Event on provided Lines */
+ LL_EXTI_DisableEvent_32_63(EXTI_InitStruct->Line_32_63);
+ /* Then Enable IT on provided Lines */
+ LL_EXTI_EnableIT_32_63(EXTI_InitStruct->Line_32_63);
+ break;
+ case LL_EXTI_MODE_EVENT:
+ /* First Disable IT on provided Lines */
+ LL_EXTI_DisableIT_32_63(EXTI_InitStruct->Line_32_63);
+ /* Then Enable Event on provided Lines */
+ LL_EXTI_EnableEvent_32_63(EXTI_InitStruct->Line_32_63);
+ break;
+ case LL_EXTI_MODE_IT_EVENT:
+ /* Directly Enable IT & Event on provided Lines */
+ LL_EXTI_EnableIT_32_63(EXTI_InitStruct->Line_32_63);
+ LL_EXTI_EnableEvent_32_63(EXTI_InitStruct->Line_32_63);
+ break;
+ default:
+ status |= 0x04u;
+ break;
+ }
+ if (EXTI_InitStruct->Trigger != LL_EXTI_TRIGGER_NONE)
+ {
+ switch (EXTI_InitStruct->Trigger)
+ {
+ case LL_EXTI_TRIGGER_RISING:
+ /* First Disable Falling Trigger on provided Lines */
+ LL_EXTI_DisableFallingTrig_32_63(EXTI_InitStruct->Line_32_63);
+ /* Then Enable IT on provided Lines */
+ LL_EXTI_EnableRisingTrig_32_63(EXTI_InitStruct->Line_32_63);
+ break;
+ case LL_EXTI_TRIGGER_FALLING:
+ /* First Disable Rising Trigger on provided Lines */
+ LL_EXTI_DisableRisingTrig_32_63(EXTI_InitStruct->Line_32_63);
+ /* Then Enable Falling Trigger on provided Lines */
+ LL_EXTI_EnableFallingTrig_32_63(EXTI_InitStruct->Line_32_63);
+ break;
+ case LL_EXTI_TRIGGER_RISING_FALLING:
+ LL_EXTI_EnableRisingTrig_32_63(EXTI_InitStruct->Line_32_63);
+ LL_EXTI_EnableFallingTrig_32_63(EXTI_InitStruct->Line_32_63);
+ break;
+ default:
+ status = ERROR;
+ break;
+ }
+ }
+ }
+ }
+ /* DISABLE LineCommand */
+ else
+ {
+ /* De-configure EXTI Lines in range from 0 to 31 */
+ LL_EXTI_DisableIT_0_31(EXTI_InitStruct->Line_0_31);
+ LL_EXTI_DisableEvent_0_31(EXTI_InitStruct->Line_0_31);
+ /* De-configure EXTI Lines in range from 32 to 63 */
+ LL_EXTI_DisableIT_32_63(EXTI_InitStruct->Line_32_63);
+ LL_EXTI_DisableEvent_32_63(EXTI_InitStruct->Line_32_63);
+ }
+
+ return status;
+}
+
+/**
+ * @brief Set each @ref LL_EXTI_InitTypeDef field to default value.
+ * @param EXTI_InitStruct Pointer to a @ref LL_EXTI_InitTypeDef structure.
+ * @retval None
+ */
+void LL_EXTI_StructInit(LL_EXTI_InitTypeDef *EXTI_InitStruct)
+{
+ EXTI_InitStruct->Line_0_31 = LL_EXTI_LINE_NONE;
+ EXTI_InitStruct->Line_32_63 = LL_EXTI_LINE_NONE;
+ EXTI_InitStruct->LineCommand = DISABLE;
+ EXTI_InitStruct->Mode = LL_EXTI_MODE_IT;
+ EXTI_InitStruct->Trigger = LL_EXTI_TRIGGER_FALLING;
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+#endif /* defined (EXTI) */
+
+/**
+ * @}
+ */
+
+#endif /* USE_FULL_LL_DRIVER */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/targets/stm32l432/lib/stm32l4xx_ll_exti.h b/targets/stm32l432/lib/stm32l4xx_ll_exti.h
new file mode 100644
index 0000000..245f7fd
--- /dev/null
+++ b/targets/stm32l432/lib/stm32l4xx_ll_exti.h
@@ -0,0 +1,1361 @@
+/**
+ ******************************************************************************
+ * @file stm32l4xx_ll_exti.h
+ * @author MCD Application Team
+ * @brief Header file of EXTI LL module.
+ ******************************************************************************
+ * @attention
+ *
+ * © Copyright (c) 2017 STMicroelectronics.
+ * All rights reserved.
+ *
+ * This software component is licensed by ST under BSD 3-Clause license,
+ * the "License"; You may not use this file except in compliance with the
+ * License. You may obtain a copy of the License at:
+ * opensource.org/licenses/BSD-3-Clause
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32L4xx_LL_EXTI_H
+#define __STM32L4xx_LL_EXTI_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32l4xx.h"
+
+/** @addtogroup STM32L4xx_LL_Driver
+ * @{
+ */
+
+#if defined (EXTI)
+
+/** @defgroup EXTI_LL EXTI
+ * @{
+ */
+
+/* Private types -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private constants ---------------------------------------------------------*/
+/* Private Macros ------------------------------------------------------------*/
+#if defined(USE_FULL_LL_DRIVER)
+/** @defgroup EXTI_LL_Private_Macros EXTI Private Macros
+ * @{
+ */
+/**
+ * @}
+ */
+#endif /*USE_FULL_LL_DRIVER*/
+/* Exported types ------------------------------------------------------------*/
+#if defined(USE_FULL_LL_DRIVER)
+/** @defgroup EXTI_LL_ES_INIT EXTI Exported Init structure
+ * @{
+ */
+typedef struct
+{
+
+ uint32_t Line_0_31; /*!< Specifies the EXTI lines to be enabled or disabled for Lines in range 0 to 31
+ This parameter can be any combination of @ref EXTI_LL_EC_LINE */
+
+ uint32_t Line_32_63; /*!< Specifies the EXTI lines to be enabled or disabled for Lines in range 32 to 63
+ This parameter can be any combination of @ref EXTI_LL_EC_LINE */
+
+ FunctionalState LineCommand; /*!< Specifies the new state of the selected EXTI lines.
+ This parameter can be set either to ENABLE or DISABLE */
+
+ uint8_t Mode; /*!< Specifies the mode for the EXTI lines.
+ This parameter can be a value of @ref EXTI_LL_EC_MODE. */
+
+ uint8_t Trigger; /*!< Specifies the trigger signal active edge for the EXTI lines.
+ This parameter can be a value of @ref EXTI_LL_EC_TRIGGER. */
+} LL_EXTI_InitTypeDef;
+
+/**
+ * @}
+ */
+#endif /*USE_FULL_LL_DRIVER*/
+
+/* Exported constants --------------------------------------------------------*/
+/** @defgroup EXTI_LL_Exported_Constants EXTI Exported Constants
+ * @{
+ */
+
+/** @defgroup EXTI_LL_EC_LINE LINE
+ * @{
+ */
+#define LL_EXTI_LINE_0 EXTI_IMR1_IM0 /*!< Extended line 0 */
+#define LL_EXTI_LINE_1 EXTI_IMR1_IM1 /*!< Extended line 1 */
+#define LL_EXTI_LINE_2 EXTI_IMR1_IM2 /*!< Extended line 2 */
+#define LL_EXTI_LINE_3 EXTI_IMR1_IM3 /*!< Extended line 3 */
+#define LL_EXTI_LINE_4 EXTI_IMR1_IM4 /*!< Extended line 4 */
+#define LL_EXTI_LINE_5 EXTI_IMR1_IM5 /*!< Extended line 5 */
+#define LL_EXTI_LINE_6 EXTI_IMR1_IM6 /*!< Extended line 6 */
+#define LL_EXTI_LINE_7 EXTI_IMR1_IM7 /*!< Extended line 7 */
+#define LL_EXTI_LINE_8 EXTI_IMR1_IM8 /*!< Extended line 8 */
+#define LL_EXTI_LINE_9 EXTI_IMR1_IM9 /*!< Extended line 9 */
+#define LL_EXTI_LINE_10 EXTI_IMR1_IM10 /*!< Extended line 10 */
+#define LL_EXTI_LINE_11 EXTI_IMR1_IM11 /*!< Extended line 11 */
+#define LL_EXTI_LINE_12 EXTI_IMR1_IM12 /*!< Extended line 12 */
+#define LL_EXTI_LINE_13 EXTI_IMR1_IM13 /*!< Extended line 13 */
+#define LL_EXTI_LINE_14 EXTI_IMR1_IM14 /*!< Extended line 14 */
+#define LL_EXTI_LINE_15 EXTI_IMR1_IM15 /*!< Extended line 15 */
+#if defined(EXTI_IMR1_IM16)
+#define LL_EXTI_LINE_16 EXTI_IMR1_IM16 /*!< Extended line 16 */
+#endif
+#define LL_EXTI_LINE_17 EXTI_IMR1_IM17 /*!< Extended line 17 */
+#if defined(EXTI_IMR1_IM18)
+#define LL_EXTI_LINE_18 EXTI_IMR1_IM18 /*!< Extended line 18 */
+#endif
+#define LL_EXTI_LINE_19 EXTI_IMR1_IM19 /*!< Extended line 19 */
+#if defined(EXTI_IMR1_IM20)
+#define LL_EXTI_LINE_20 EXTI_IMR1_IM20 /*!< Extended line 20 */
+#endif
+#if defined(EXTI_IMR1_IM21)
+#define LL_EXTI_LINE_21 EXTI_IMR1_IM21 /*!< Extended line 21 */
+#endif
+#if defined(EXTI_IMR1_IM22)
+#define LL_EXTI_LINE_22 EXTI_IMR1_IM22 /*!< Extended line 22 */
+#endif
+#define LL_EXTI_LINE_23 EXTI_IMR1_IM23 /*!< Extended line 23 */
+#if defined(EXTI_IMR1_IM24)
+#define LL_EXTI_LINE_24 EXTI_IMR1_IM24 /*!< Extended line 24 */
+#endif
+#if defined(EXTI_IMR1_IM25)
+#define LL_EXTI_LINE_25 EXTI_IMR1_IM25 /*!< Extended line 25 */
+#endif
+#if defined(EXTI_IMR1_IM26)
+#define LL_EXTI_LINE_26 EXTI_IMR1_IM26 /*!< Extended line 26 */
+#endif
+#if defined(EXTI_IMR1_IM27)
+#define LL_EXTI_LINE_27 EXTI_IMR1_IM27 /*!< Extended line 27 */
+#endif
+#if defined(EXTI_IMR1_IM28)
+#define LL_EXTI_LINE_28 EXTI_IMR1_IM28 /*!< Extended line 28 */
+#endif
+#if defined(EXTI_IMR1_IM29)
+#define LL_EXTI_LINE_29 EXTI_IMR1_IM29 /*!< Extended line 29 */
+#endif
+#if defined(EXTI_IMR1_IM30)
+#define LL_EXTI_LINE_30 EXTI_IMR1_IM30 /*!< Extended line 30 */
+#endif
+#if defined(EXTI_IMR1_IM31)
+#define LL_EXTI_LINE_31 EXTI_IMR1_IM31 /*!< Extended line 31 */
+#endif
+#define LL_EXTI_LINE_ALL_0_31 EXTI_IMR1_IM /*!< All Extended line not reserved*/
+
+#define LL_EXTI_LINE_32 EXTI_IMR2_IM32 /*!< Extended line 32 */
+#if defined(EXTI_IMR2_IM33)
+#define LL_EXTI_LINE_33 EXTI_IMR2_IM33 /*!< Extended line 33 */
+#endif
+#if defined(EXTI_IMR2_IM34)
+#define LL_EXTI_LINE_34 EXTI_IMR2_IM34 /*!< Extended line 34 */
+#endif
+#if defined(EXTI_IMR2_IM35)
+#define LL_EXTI_LINE_35 EXTI_IMR2_IM35 /*!< Extended line 35 */
+#endif
+#if defined(EXTI_IMR2_IM36)
+#define LL_EXTI_LINE_36 EXTI_IMR2_IM36 /*!< Extended line 36 */
+#endif
+#if defined(EXTI_IMR2_IM37)
+#define LL_EXTI_LINE_37 EXTI_IMR2_IM37 /*!< Extended line 37 */
+#endif
+#if defined(EXTI_IMR2_IM38)
+#define LL_EXTI_LINE_38 EXTI_IMR2_IM38 /*!< Extended line 38 */
+#endif
+#if defined(EXTI_IMR2_IM39)
+#define LL_EXTI_LINE_39 EXTI_IMR2_IM39 /*!< Extended line 39 */
+#endif
+#if defined(EXTI_IMR2_IM40)
+#define LL_EXTI_LINE_40 EXTI_IMR2_IM40 /*!< Extended line 40 */
+#endif
+#define LL_EXTI_LINE_ALL_32_63 EXTI_IMR2_IM /*!< All Extended line not reserved*/
+
+
+#define LL_EXTI_LINE_ALL (0xFFFFFFFFU) /*!< All Extended line */
+
+#if defined(USE_FULL_LL_DRIVER)
+#define LL_EXTI_LINE_NONE (0x00000000U) /*!< None Extended line */
+#endif /*USE_FULL_LL_DRIVER*/
+
+/**
+ * @}
+ */
+
+
+#if defined(USE_FULL_LL_DRIVER)
+
+/** @defgroup EXTI_LL_EC_MODE Mode
+ * @{
+ */
+#define LL_EXTI_MODE_IT ((uint8_t)0x00U) /*!< Interrupt Mode */
+#define LL_EXTI_MODE_EVENT ((uint8_t)0x01U) /*!< Event Mode */
+#define LL_EXTI_MODE_IT_EVENT ((uint8_t)0x02U) /*!< Interrupt & Event Mode */
+/**
+ * @}
+ */
+
+/** @defgroup EXTI_LL_EC_TRIGGER Edge Trigger
+ * @{
+ */
+#define LL_EXTI_TRIGGER_NONE ((uint8_t)0x00U) /*!< No Trigger Mode */
+#define LL_EXTI_TRIGGER_RISING ((uint8_t)0x01U) /*!< Trigger Rising Mode */
+#define LL_EXTI_TRIGGER_FALLING ((uint8_t)0x02U) /*!< Trigger Falling Mode */
+#define LL_EXTI_TRIGGER_RISING_FALLING ((uint8_t)0x03U) /*!< Trigger Rising & Falling Mode */
+
+/**
+ * @}
+ */
+
+
+#endif /*USE_FULL_LL_DRIVER*/
+
+
+/**
+ * @}
+ */
+
+/* Exported macro ------------------------------------------------------------*/
+/** @defgroup EXTI_LL_Exported_Macros EXTI Exported Macros
+ * @{
+ */
+
+/** @defgroup EXTI_LL_EM_WRITE_READ Common Write and read registers Macros
+ * @{
+ */
+
+/**
+ * @brief Write a value in EXTI register
+ * @param __REG__ Register to be written
+ * @param __VALUE__ Value to be written in the register
+ * @retval None
+ */
+#define LL_EXTI_WriteReg(__REG__, __VALUE__) WRITE_REG(EXTI->__REG__, (__VALUE__))
+
+/**
+ * @brief Read a value in EXTI register
+ * @param __REG__ Register to be read
+ * @retval Register value
+ */
+#define LL_EXTI_ReadReg(__REG__) READ_REG(EXTI->__REG__)
+/**
+ * @}
+ */
+
+
+/**
+ * @}
+ */
+
+
+
+/* Exported functions --------------------------------------------------------*/
+/** @defgroup EXTI_LL_Exported_Functions EXTI Exported Functions
+ * @{
+ */
+/** @defgroup EXTI_LL_EF_IT_Management IT_Management
+ * @{
+ */
+
+/**
+ * @brief Enable ExtiLine Interrupt request for Lines in range 0 to 31
+ * @note The reset value for the direct or internal lines (see RM)
+ * is set to 1 in order to enable the interrupt by default.
+ * Bits are set automatically at Power on.
+ * @rmtoll IMR1 IMx LL_EXTI_EnableIT_0_31
+ * @param ExtiLine This parameter can be one of the following values:
+ * @arg @ref LL_EXTI_LINE_0
+ * @arg @ref LL_EXTI_LINE_1
+ * @arg @ref LL_EXTI_LINE_2
+ * @arg @ref LL_EXTI_LINE_3
+ * @arg @ref LL_EXTI_LINE_4
+ * @arg @ref LL_EXTI_LINE_5
+ * @arg @ref LL_EXTI_LINE_6
+ * @arg @ref LL_EXTI_LINE_7
+ * @arg @ref LL_EXTI_LINE_8
+ * @arg @ref LL_EXTI_LINE_9
+ * @arg @ref LL_EXTI_LINE_10
+ * @arg @ref LL_EXTI_LINE_11
+ * @arg @ref LL_EXTI_LINE_12
+ * @arg @ref LL_EXTI_LINE_13
+ * @arg @ref LL_EXTI_LINE_14
+ * @arg @ref LL_EXTI_LINE_15
+ * @arg @ref LL_EXTI_LINE_16
+ * @arg @ref LL_EXTI_LINE_17
+ * @arg @ref LL_EXTI_LINE_18
+ * @arg @ref LL_EXTI_LINE_19
+ * @arg @ref LL_EXTI_LINE_20
+ * @arg @ref LL_EXTI_LINE_21
+ * @arg @ref LL_EXTI_LINE_22
+ * @arg @ref LL_EXTI_LINE_23
+ * @arg @ref LL_EXTI_LINE_24
+ * @arg @ref LL_EXTI_LINE_25
+ * @arg @ref LL_EXTI_LINE_26
+ * @arg @ref LL_EXTI_LINE_27
+ * @arg @ref LL_EXTI_LINE_28
+ * @arg @ref LL_EXTI_LINE_29
+ * @arg @ref LL_EXTI_LINE_30
+ * @arg @ref LL_EXTI_LINE_31
+ * @arg @ref LL_EXTI_LINE_ALL_0_31
+ * @note Please check each device line mapping for EXTI Line availability
+ * @retval None
+ */
+__STATIC_INLINE void LL_EXTI_EnableIT_0_31(uint32_t ExtiLine)
+{
+ SET_BIT(EXTI->IMR1, ExtiLine);
+}
+/**
+ * @brief Enable ExtiLine Interrupt request for Lines in range 32 to 63
+ * @note The reset value for the direct lines (lines from 32 to 34, line
+ * 39) is set to 1 in order to enable the interrupt by default.
+ * Bits are set automatically at Power on.
+ * @rmtoll IMR2 IMx LL_EXTI_EnableIT_32_63
+ * @param ExtiLine This parameter can be one of the following values:
+ * @arg @ref LL_EXTI_LINE_32
+ * @arg @ref LL_EXTI_LINE_33
+ * @arg @ref LL_EXTI_LINE_34(*)
+ * @arg @ref LL_EXTI_LINE_35
+ * @arg @ref LL_EXTI_LINE_36
+ * @arg @ref LL_EXTI_LINE_37
+ * @arg @ref LL_EXTI_LINE_38
+ * @arg @ref LL_EXTI_LINE_39(*)
+ * @arg @ref LL_EXTI_LINE_40(*)
+ * @arg @ref LL_EXTI_LINE_ALL_32_63
+ * @note (*): Available in some devices
+ * @retval None
+ */
+__STATIC_INLINE void LL_EXTI_EnableIT_32_63(uint32_t ExtiLine)
+{
+ SET_BIT(EXTI->IMR2, ExtiLine);
+}
+
+/**
+ * @brief Disable ExtiLine Interrupt request for Lines in range 0 to 31
+ * @note The reset value for the direct or internal lines (see RM)
+ * is set to 1 in order to enable the interrupt by default.
+ * Bits are set automatically at Power on.
+ * @rmtoll IMR1 IMx LL_EXTI_DisableIT_0_31
+ * @param ExtiLine This parameter can be one of the following values:
+ * @arg @ref LL_EXTI_LINE_0
+ * @arg @ref LL_EXTI_LINE_1
+ * @arg @ref LL_EXTI_LINE_2
+ * @arg @ref LL_EXTI_LINE_3
+ * @arg @ref LL_EXTI_LINE_4
+ * @arg @ref LL_EXTI_LINE_5
+ * @arg @ref LL_EXTI_LINE_6
+ * @arg @ref LL_EXTI_LINE_7
+ * @arg @ref LL_EXTI_LINE_8
+ * @arg @ref LL_EXTI_LINE_9
+ * @arg @ref LL_EXTI_LINE_10
+ * @arg @ref LL_EXTI_LINE_11
+ * @arg @ref LL_EXTI_LINE_12
+ * @arg @ref LL_EXTI_LINE_13
+ * @arg @ref LL_EXTI_LINE_14
+ * @arg @ref LL_EXTI_LINE_15
+ * @arg @ref LL_EXTI_LINE_16
+ * @arg @ref LL_EXTI_LINE_17
+ * @arg @ref LL_EXTI_LINE_18
+ * @arg @ref LL_EXTI_LINE_19
+ * @arg @ref LL_EXTI_LINE_20
+ * @arg @ref LL_EXTI_LINE_21
+ * @arg @ref LL_EXTI_LINE_22
+ * @arg @ref LL_EXTI_LINE_23
+ * @arg @ref LL_EXTI_LINE_24
+ * @arg @ref LL_EXTI_LINE_25
+ * @arg @ref LL_EXTI_LINE_26
+ * @arg @ref LL_EXTI_LINE_27
+ * @arg @ref LL_EXTI_LINE_28
+ * @arg @ref LL_EXTI_LINE_29
+ * @arg @ref LL_EXTI_LINE_30
+ * @arg @ref LL_EXTI_LINE_31
+ * @arg @ref LL_EXTI_LINE_ALL_0_31
+ * @note Please check each device line mapping for EXTI Line availability
+ * @retval None
+ */
+__STATIC_INLINE void LL_EXTI_DisableIT_0_31(uint32_t ExtiLine)
+{
+ CLEAR_BIT(EXTI->IMR1, ExtiLine);
+}
+
+/**
+ * @brief Disable ExtiLine Interrupt request for Lines in range 32 to 63
+ * @note The reset value for the direct lines (lines from 32 to 34, line
+ * 39) is set to 1 in order to enable the interrupt by default.
+ * Bits are set automatically at Power on.
+ * @rmtoll IMR2 IMx LL_EXTI_DisableIT_32_63
+ * @param ExtiLine This parameter can be one of the following values:
+ * @arg @ref LL_EXTI_LINE_32
+ * @arg @ref LL_EXTI_LINE_33
+ * @arg @ref LL_EXTI_LINE_34(*)
+ * @arg @ref LL_EXTI_LINE_35
+ * @arg @ref LL_EXTI_LINE_36
+ * @arg @ref LL_EXTI_LINE_37
+ * @arg @ref LL_EXTI_LINE_38
+ * @arg @ref LL_EXTI_LINE_39(*)
+ * @arg @ref LL_EXTI_LINE_40(*)
+ * @arg @ref LL_EXTI_LINE_ALL_32_63
+ * @note (*): Available in some devices
+ * @retval None
+ */
+__STATIC_INLINE void LL_EXTI_DisableIT_32_63(uint32_t ExtiLine)
+{
+ CLEAR_BIT(EXTI->IMR2, ExtiLine);
+}
+
+/**
+ * @brief Indicate if ExtiLine Interrupt request is enabled for Lines in range 0 to 31
+ * @note The reset value for the direct or internal lines (see RM)
+ * is set to 1 in order to enable the interrupt by default.
+ * Bits are set automatically at Power on.
+ * @rmtoll IMR1 IMx LL_EXTI_IsEnabledIT_0_31
+ * @param ExtiLine This parameter can be one of the following values:
+ * @arg @ref LL_EXTI_LINE_0
+ * @arg @ref LL_EXTI_LINE_1
+ * @arg @ref LL_EXTI_LINE_2
+ * @arg @ref LL_EXTI_LINE_3
+ * @arg @ref LL_EXTI_LINE_4
+ * @arg @ref LL_EXTI_LINE_5
+ * @arg @ref LL_EXTI_LINE_6
+ * @arg @ref LL_EXTI_LINE_7
+ * @arg @ref LL_EXTI_LINE_8
+ * @arg @ref LL_EXTI_LINE_9
+ * @arg @ref LL_EXTI_LINE_10
+ * @arg @ref LL_EXTI_LINE_11
+ * @arg @ref LL_EXTI_LINE_12
+ * @arg @ref LL_EXTI_LINE_13
+ * @arg @ref LL_EXTI_LINE_14
+ * @arg @ref LL_EXTI_LINE_15
+ * @arg @ref LL_EXTI_LINE_16
+ * @arg @ref LL_EXTI_LINE_17
+ * @arg @ref LL_EXTI_LINE_18
+ * @arg @ref LL_EXTI_LINE_19
+ * @arg @ref LL_EXTI_LINE_20
+ * @arg @ref LL_EXTI_LINE_21
+ * @arg @ref LL_EXTI_LINE_22
+ * @arg @ref LL_EXTI_LINE_23
+ * @arg @ref LL_EXTI_LINE_24
+ * @arg @ref LL_EXTI_LINE_25
+ * @arg @ref LL_EXTI_LINE_26
+ * @arg @ref LL_EXTI_LINE_27
+ * @arg @ref LL_EXTI_LINE_28
+ * @arg @ref LL_EXTI_LINE_29
+ * @arg @ref LL_EXTI_LINE_30
+ * @arg @ref LL_EXTI_LINE_31
+ * @arg @ref LL_EXTI_LINE_ALL_0_31
+ * @note Please check each device line mapping for EXTI Line availability
+ * @retval State of bit (1 or 0).
+ */
+__STATIC_INLINE uint32_t LL_EXTI_IsEnabledIT_0_31(uint32_t ExtiLine)
+{
+ return ((READ_BIT(EXTI->IMR1, ExtiLine) == (ExtiLine)) ? 1UL : 0UL);
+}
+
+/**
+ * @brief Indicate if ExtiLine Interrupt request is enabled for Lines in range 32 to 63
+ * @note The reset value for the direct lines (lines from 32 to 34, line
+ * 39) is set to 1 in order to enable the interrupt by default.
+ * Bits are set automatically at Power on.
+ * @rmtoll IMR2 IMx LL_EXTI_IsEnabledIT_32_63
+ * @param ExtiLine This parameter can be one of the following values:
+ * @arg @ref LL_EXTI_LINE_32
+ * @arg @ref LL_EXTI_LINE_33
+ * @arg @ref LL_EXTI_LINE_34(*)
+ * @arg @ref LL_EXTI_LINE_35
+ * @arg @ref LL_EXTI_LINE_36
+ * @arg @ref LL_EXTI_LINE_37
+ * @arg @ref LL_EXTI_LINE_38
+ * @arg @ref LL_EXTI_LINE_39(*)
+ * @arg @ref LL_EXTI_LINE_40(*)
+ * @arg @ref LL_EXTI_LINE_ALL_32_63
+ * @note (*): Available in some devices
+ * @retval State of bit (1 or 0).
+ */
+__STATIC_INLINE uint32_t LL_EXTI_IsEnabledIT_32_63(uint32_t ExtiLine)
+{
+ return ((READ_BIT(EXTI->IMR2, ExtiLine) == (ExtiLine)) ? 1UL : 0UL);
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup EXTI_LL_EF_Event_Management Event_Management
+ * @{
+ */
+
+/**
+ * @brief Enable ExtiLine Event request for Lines in range 0 to 31
+ * @rmtoll EMR1 EMx LL_EXTI_EnableEvent_0_31
+ * @param ExtiLine This parameter can be one of the following values:
+ * @arg @ref LL_EXTI_LINE_0
+ * @arg @ref LL_EXTI_LINE_1
+ * @arg @ref LL_EXTI_LINE_2
+ * @arg @ref LL_EXTI_LINE_3
+ * @arg @ref LL_EXTI_LINE_4
+ * @arg @ref LL_EXTI_LINE_5
+ * @arg @ref LL_EXTI_LINE_6
+ * @arg @ref LL_EXTI_LINE_7
+ * @arg @ref LL_EXTI_LINE_8
+ * @arg @ref LL_EXTI_LINE_9
+ * @arg @ref LL_EXTI_LINE_10
+ * @arg @ref LL_EXTI_LINE_11
+ * @arg @ref LL_EXTI_LINE_12
+ * @arg @ref LL_EXTI_LINE_13
+ * @arg @ref LL_EXTI_LINE_14
+ * @arg @ref LL_EXTI_LINE_15
+ * @arg @ref LL_EXTI_LINE_16
+ * @arg @ref LL_EXTI_LINE_17
+ * @arg @ref LL_EXTI_LINE_18
+ * @arg @ref LL_EXTI_LINE_19
+ * @arg @ref LL_EXTI_LINE_20
+ * @arg @ref LL_EXTI_LINE_21
+ * @arg @ref LL_EXTI_LINE_22
+ * @arg @ref LL_EXTI_LINE_23
+ * @arg @ref LL_EXTI_LINE_24
+ * @arg @ref LL_EXTI_LINE_25
+ * @arg @ref LL_EXTI_LINE_26
+ * @arg @ref LL_EXTI_LINE_27
+ * @arg @ref LL_EXTI_LINE_28
+ * @arg @ref LL_EXTI_LINE_29
+ * @arg @ref LL_EXTI_LINE_30
+ * @arg @ref LL_EXTI_LINE_31
+ * @arg @ref LL_EXTI_LINE_ALL_0_31
+ * @note Please check each device line mapping for EXTI Line availability
+ * @retval None
+ */
+__STATIC_INLINE void LL_EXTI_EnableEvent_0_31(uint32_t ExtiLine)
+{
+ SET_BIT(EXTI->EMR1, ExtiLine);
+
+}
+
+/**
+ * @brief Enable ExtiLine Event request for Lines in range 32 to 63
+ * @rmtoll EMR2 EMx LL_EXTI_EnableEvent_32_63
+ * @param ExtiLine This parameter can be a combination of the following values:
+ * @arg @ref LL_EXTI_LINE_32
+ * @arg @ref LL_EXTI_LINE_33
+ * @arg @ref LL_EXTI_LINE_34(*)
+ * @arg @ref LL_EXTI_LINE_35
+ * @arg @ref LL_EXTI_LINE_36
+ * @arg @ref LL_EXTI_LINE_37
+ * @arg @ref LL_EXTI_LINE_38
+ * @arg @ref LL_EXTI_LINE_39(*)
+ * @arg @ref LL_EXTI_LINE_40(*)
+ * @arg @ref LL_EXTI_LINE_ALL_32_63
+ * @note (*): Available in some devices
+ * @retval None
+ */
+__STATIC_INLINE void LL_EXTI_EnableEvent_32_63(uint32_t ExtiLine)
+{
+ SET_BIT(EXTI->EMR2, ExtiLine);
+}
+
+/**
+ * @brief Disable ExtiLine Event request for Lines in range 0 to 31
+ * @rmtoll EMR1 EMx LL_EXTI_DisableEvent_0_31
+ * @param ExtiLine This parameter can be one of the following values:
+ * @arg @ref LL_EXTI_LINE_0
+ * @arg @ref LL_EXTI_LINE_1
+ * @arg @ref LL_EXTI_LINE_2
+ * @arg @ref LL_EXTI_LINE_3
+ * @arg @ref LL_EXTI_LINE_4
+ * @arg @ref LL_EXTI_LINE_5
+ * @arg @ref LL_EXTI_LINE_6
+ * @arg @ref LL_EXTI_LINE_7
+ * @arg @ref LL_EXTI_LINE_8
+ * @arg @ref LL_EXTI_LINE_9
+ * @arg @ref LL_EXTI_LINE_10
+ * @arg @ref LL_EXTI_LINE_11
+ * @arg @ref LL_EXTI_LINE_12
+ * @arg @ref LL_EXTI_LINE_13
+ * @arg @ref LL_EXTI_LINE_14
+ * @arg @ref LL_EXTI_LINE_15
+ * @arg @ref LL_EXTI_LINE_16
+ * @arg @ref LL_EXTI_LINE_17
+ * @arg @ref LL_EXTI_LINE_18
+ * @arg @ref LL_EXTI_LINE_19
+ * @arg @ref LL_EXTI_LINE_20
+ * @arg @ref LL_EXTI_LINE_21
+ * @arg @ref LL_EXTI_LINE_22
+ * @arg @ref LL_EXTI_LINE_23
+ * @arg @ref LL_EXTI_LINE_24
+ * @arg @ref LL_EXTI_LINE_25
+ * @arg @ref LL_EXTI_LINE_26
+ * @arg @ref LL_EXTI_LINE_27
+ * @arg @ref LL_EXTI_LINE_28
+ * @arg @ref LL_EXTI_LINE_29
+ * @arg @ref LL_EXTI_LINE_30
+ * @arg @ref LL_EXTI_LINE_31
+ * @arg @ref LL_EXTI_LINE_ALL_0_31
+ * @note Please check each device line mapping for EXTI Line availability
+ * @retval None
+ */
+__STATIC_INLINE void LL_EXTI_DisableEvent_0_31(uint32_t ExtiLine)
+{
+ CLEAR_BIT(EXTI->EMR1, ExtiLine);
+}
+
+/**
+ * @brief Disable ExtiLine Event request for Lines in range 32 to 63
+ * @rmtoll EMR2 EMx LL_EXTI_DisableEvent_32_63
+ * @param ExtiLine This parameter can be a combination of the following values:
+ * @arg @ref LL_EXTI_LINE_32
+ * @arg @ref LL_EXTI_LINE_33
+ * @arg @ref LL_EXTI_LINE_34(*)
+ * @arg @ref LL_EXTI_LINE_35
+ * @arg @ref LL_EXTI_LINE_36
+ * @arg @ref LL_EXTI_LINE_37
+ * @arg @ref LL_EXTI_LINE_38
+ * @arg @ref LL_EXTI_LINE_39(*)
+ * @arg @ref LL_EXTI_LINE_40(*)
+ * @arg @ref LL_EXTI_LINE_ALL_32_63
+ * @note (*): Available in some devices
+ * @retval None
+ */
+__STATIC_INLINE void LL_EXTI_DisableEvent_32_63(uint32_t ExtiLine)
+{
+ CLEAR_BIT(EXTI->EMR2, ExtiLine);
+}
+
+/**
+ * @brief Indicate if ExtiLine Event request is enabled for Lines in range 0 to 31
+ * @rmtoll EMR1 EMx LL_EXTI_IsEnabledEvent_0_31
+ * @param ExtiLine This parameter can be one of the following values:
+ * @arg @ref LL_EXTI_LINE_0
+ * @arg @ref LL_EXTI_LINE_1
+ * @arg @ref LL_EXTI_LINE_2
+ * @arg @ref LL_EXTI_LINE_3
+ * @arg @ref LL_EXTI_LINE_4
+ * @arg @ref LL_EXTI_LINE_5
+ * @arg @ref LL_EXTI_LINE_6
+ * @arg @ref LL_EXTI_LINE_7
+ * @arg @ref LL_EXTI_LINE_8
+ * @arg @ref LL_EXTI_LINE_9
+ * @arg @ref LL_EXTI_LINE_10
+ * @arg @ref LL_EXTI_LINE_11
+ * @arg @ref LL_EXTI_LINE_12
+ * @arg @ref LL_EXTI_LINE_13
+ * @arg @ref LL_EXTI_LINE_14
+ * @arg @ref LL_EXTI_LINE_15
+ * @arg @ref LL_EXTI_LINE_16
+ * @arg @ref LL_EXTI_LINE_17
+ * @arg @ref LL_EXTI_LINE_18
+ * @arg @ref LL_EXTI_LINE_19
+ * @arg @ref LL_EXTI_LINE_20
+ * @arg @ref LL_EXTI_LINE_21
+ * @arg @ref LL_EXTI_LINE_22
+ * @arg @ref LL_EXTI_LINE_23
+ * @arg @ref LL_EXTI_LINE_24
+ * @arg @ref LL_EXTI_LINE_25
+ * @arg @ref LL_EXTI_LINE_26
+ * @arg @ref LL_EXTI_LINE_27
+ * @arg @ref LL_EXTI_LINE_28
+ * @arg @ref LL_EXTI_LINE_29
+ * @arg @ref LL_EXTI_LINE_30
+ * @arg @ref LL_EXTI_LINE_31
+ * @arg @ref LL_EXTI_LINE_ALL_0_31
+ * @note Please check each device line mapping for EXTI Line availability
+ * @retval State of bit (1 or 0).
+ */
+__STATIC_INLINE uint32_t LL_EXTI_IsEnabledEvent_0_31(uint32_t ExtiLine)
+{
+ return ((READ_BIT(EXTI->EMR1, ExtiLine) == (ExtiLine)) ? 1UL : 0UL);
+
+}
+
+/**
+ * @brief Indicate if ExtiLine Event request is enabled for Lines in range 32 to 63
+ * @rmtoll EMR2 EMx LL_EXTI_IsEnabledEvent_32_63
+ * @param ExtiLine This parameter can be a combination of the following values:
+ * @arg @ref LL_EXTI_LINE_32
+ * @arg @ref LL_EXTI_LINE_33
+ * @arg @ref LL_EXTI_LINE_34(*)
+ * @arg @ref LL_EXTI_LINE_35
+ * @arg @ref LL_EXTI_LINE_36
+ * @arg @ref LL_EXTI_LINE_37
+ * @arg @ref LL_EXTI_LINE_38
+ * @arg @ref LL_EXTI_LINE_39(*)
+ * @arg @ref LL_EXTI_LINE_40(*)
+ * @arg @ref LL_EXTI_LINE_ALL_32_63
+ * @note (*): Available in some devices
+ * @retval State of bit (1 or 0).
+ */
+__STATIC_INLINE uint32_t LL_EXTI_IsEnabledEvent_32_63(uint32_t ExtiLine)
+{
+ return ((READ_BIT(EXTI->EMR2, ExtiLine) == (ExtiLine)) ? 1UL : 0UL);
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup EXTI_LL_EF_Rising_Trigger_Management Rising_Trigger_Management
+ * @{
+ */
+
+/**
+ * @brief Enable ExtiLine Rising Edge Trigger for Lines in range 0 to 31
+ * @note The configurable wakeup lines are edge-triggered. No glitch must be
+ * generated on these lines. If a rising edge on a configurable interrupt
+ * line occurs during a write operation in the EXTI_RTSR register, the
+ * pending bit is not set.
+ * Rising and falling edge triggers can be set for
+ * the same interrupt line. In this case, both generate a trigger
+ * condition.
+ * @rmtoll RTSR1 RTx LL_EXTI_EnableRisingTrig_0_31
+ * @param ExtiLine This parameter can be a combination of the following values:
+ * @arg @ref LL_EXTI_LINE_0
+ * @arg @ref LL_EXTI_LINE_1
+ * @arg @ref LL_EXTI_LINE_2
+ * @arg @ref LL_EXTI_LINE_3
+ * @arg @ref LL_EXTI_LINE_4
+ * @arg @ref LL_EXTI_LINE_5
+ * @arg @ref LL_EXTI_LINE_6
+ * @arg @ref LL_EXTI_LINE_7
+ * @arg @ref LL_EXTI_LINE_8
+ * @arg @ref LL_EXTI_LINE_9
+ * @arg @ref LL_EXTI_LINE_10
+ * @arg @ref LL_EXTI_LINE_11
+ * @arg @ref LL_EXTI_LINE_12
+ * @arg @ref LL_EXTI_LINE_13
+ * @arg @ref LL_EXTI_LINE_14
+ * @arg @ref LL_EXTI_LINE_15
+ * @arg @ref LL_EXTI_LINE_16
+ * @arg @ref LL_EXTI_LINE_18
+ * @arg @ref LL_EXTI_LINE_19
+ * @arg @ref LL_EXTI_LINE_20
+ * @arg @ref LL_EXTI_LINE_21
+ * @arg @ref LL_EXTI_LINE_22
+ * @arg @ref LL_EXTI_LINE_29
+ * @arg @ref LL_EXTI_LINE_30
+ * @arg @ref LL_EXTI_LINE_31
+ * @note Please check each device line mapping for EXTI Line availability
+ * @retval None
+ */
+__STATIC_INLINE void LL_EXTI_EnableRisingTrig_0_31(uint32_t ExtiLine)
+{
+ SET_BIT(EXTI->RTSR1, ExtiLine);
+
+}
+
+/**
+ * @brief Enable ExtiLine Rising Edge Trigger for Lines in range 32 to 63
+ * @note The configurable wakeup lines are edge-triggered. No glitch must be
+ * generated on these lines. If a rising edge on a configurable interrupt
+ * line occurs during a write operation in the EXTI_RTSR register, the
+ * pending bit is not set.Rising and falling edge triggers can be set for
+ * the same interrupt line. In this case, both generate a trigger
+ * condition.
+ * @rmtoll RTSR2 RTx LL_EXTI_EnableRisingTrig_32_63
+ * @param ExtiLine This parameter can be a combination of the following values:
+ * @arg @ref LL_EXTI_LINE_35
+ * @arg @ref LL_EXTI_LINE_36
+ * @arg @ref LL_EXTI_LINE_37
+ * @arg @ref LL_EXTI_LINE_38
+ * @retval None
+ */
+__STATIC_INLINE void LL_EXTI_EnableRisingTrig_32_63(uint32_t ExtiLine)
+{
+ SET_BIT(EXTI->RTSR2, ExtiLine);
+}
+
+/**
+ * @brief Disable ExtiLine Rising Edge Trigger for Lines in range 0 to 31
+ * @note The configurable wakeup lines are edge-triggered. No glitch must be
+ * generated on these lines. If a rising edge on a configurable interrupt
+ * line occurs during a write operation in the EXTI_RTSR register, the
+ * pending bit is not set.
+ * Rising and falling edge triggers can be set for
+ * the same interrupt line. In this case, both generate a trigger
+ * condition.
+ * @rmtoll RTSR1 RTx LL_EXTI_DisableRisingTrig_0_31
+ * @param ExtiLine This parameter can be a combination of the following values:
+ * @arg @ref LL_EXTI_LINE_0
+ * @arg @ref LL_EXTI_LINE_1
+ * @arg @ref LL_EXTI_LINE_2
+ * @arg @ref LL_EXTI_LINE_3
+ * @arg @ref LL_EXTI_LINE_4
+ * @arg @ref LL_EXTI_LINE_5
+ * @arg @ref LL_EXTI_LINE_6
+ * @arg @ref LL_EXTI_LINE_7
+ * @arg @ref LL_EXTI_LINE_8
+ * @arg @ref LL_EXTI_LINE_9
+ * @arg @ref LL_EXTI_LINE_10
+ * @arg @ref LL_EXTI_LINE_11
+ * @arg @ref LL_EXTI_LINE_12
+ * @arg @ref LL_EXTI_LINE_13
+ * @arg @ref LL_EXTI_LINE_14
+ * @arg @ref LL_EXTI_LINE_15
+ * @arg @ref LL_EXTI_LINE_16
+ * @arg @ref LL_EXTI_LINE_18
+ * @arg @ref LL_EXTI_LINE_19
+ * @arg @ref LL_EXTI_LINE_20
+ * @arg @ref LL_EXTI_LINE_21
+ * @arg @ref LL_EXTI_LINE_22
+ * @arg @ref LL_EXTI_LINE_29
+ * @arg @ref LL_EXTI_LINE_30
+ * @arg @ref LL_EXTI_LINE_31
+ * @note Please check each device line mapping for EXTI Line availability
+ * @retval None
+ */
+__STATIC_INLINE void LL_EXTI_DisableRisingTrig_0_31(uint32_t ExtiLine)
+{
+ CLEAR_BIT(EXTI->RTSR1, ExtiLine);
+
+}
+
+/**
+ * @brief Disable ExtiLine Rising Edge Trigger for Lines in range 32 to 63
+ * @note The configurable wakeup lines are edge-triggered. No glitch must be
+ * generated on these lines. If a rising edge on a configurable interrupt
+ * line occurs during a write operation in the EXTI_RTSR register, the
+ * pending bit is not set.
+ * Rising and falling edge triggers can be set for
+ * the same interrupt line. In this case, both generate a trigger
+ * condition.
+ * @rmtoll RTSR2 RTx LL_EXTI_DisableRisingTrig_32_63
+ * @param ExtiLine This parameter can be a combination of the following values:
+ * @arg @ref LL_EXTI_LINE_35
+ * @arg @ref LL_EXTI_LINE_36
+ * @arg @ref LL_EXTI_LINE_37
+ * @arg @ref LL_EXTI_LINE_38
+ * @retval None
+ */
+__STATIC_INLINE void LL_EXTI_DisableRisingTrig_32_63(uint32_t ExtiLine)
+{
+ CLEAR_BIT(EXTI->RTSR2, ExtiLine);
+}
+
+/**
+ * @brief Check if rising edge trigger is enabled for Lines in range 0 to 31
+ * @rmtoll RTSR1 RTx LL_EXTI_IsEnabledRisingTrig_0_31
+ * @param ExtiLine This parameter can be a combination of the following values:
+ * @arg @ref LL_EXTI_LINE_0
+ * @arg @ref LL_EXTI_LINE_1
+ * @arg @ref LL_EXTI_LINE_2
+ * @arg @ref LL_EXTI_LINE_3
+ * @arg @ref LL_EXTI_LINE_4
+ * @arg @ref LL_EXTI_LINE_5
+ * @arg @ref LL_EXTI_LINE_6
+ * @arg @ref LL_EXTI_LINE_7
+ * @arg @ref LL_EXTI_LINE_8
+ * @arg @ref LL_EXTI_LINE_9
+ * @arg @ref LL_EXTI_LINE_10
+ * @arg @ref LL_EXTI_LINE_11
+ * @arg @ref LL_EXTI_LINE_12
+ * @arg @ref LL_EXTI_LINE_13
+ * @arg @ref LL_EXTI_LINE_14
+ * @arg @ref LL_EXTI_LINE_15
+ * @arg @ref LL_EXTI_LINE_16
+ * @arg @ref LL_EXTI_LINE_18
+ * @arg @ref LL_EXTI_LINE_19
+ * @arg @ref LL_EXTI_LINE_20
+ * @arg @ref LL_EXTI_LINE_21
+ * @arg @ref LL_EXTI_LINE_22
+ * @arg @ref LL_EXTI_LINE_29
+ * @arg @ref LL_EXTI_LINE_30
+ * @arg @ref LL_EXTI_LINE_31
+ * @note Please check each device line mapping for EXTI Line availability
+ * @retval State of bit (1 or 0).
+ */
+__STATIC_INLINE uint32_t LL_EXTI_IsEnabledRisingTrig_0_31(uint32_t ExtiLine)
+{
+ return ((READ_BIT(EXTI->RTSR1, ExtiLine) == (ExtiLine)) ? 1UL : 0UL);
+}
+
+/**
+ * @brief Check if rising edge trigger is enabled for Lines in range 32 to 63
+ * @rmtoll RTSR2 RTx LL_EXTI_IsEnabledRisingTrig_32_63
+ * @param ExtiLine This parameter can be a combination of the following values:
+ * @arg @ref LL_EXTI_LINE_35
+ * @arg @ref LL_EXTI_LINE_36
+ * @arg @ref LL_EXTI_LINE_37
+ * @arg @ref LL_EXTI_LINE_38
+ * @retval State of bit (1 or 0).
+ */
+__STATIC_INLINE uint32_t LL_EXTI_IsEnabledRisingTrig_32_63(uint32_t ExtiLine)
+{
+ return ((READ_BIT(EXTI->RTSR2, ExtiLine) == (ExtiLine)) ? 1UL : 0UL);
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup EXTI_LL_EF_Falling_Trigger_Management Falling_Trigger_Management
+ * @{
+ */
+
+/**
+ * @brief Enable ExtiLine Falling Edge Trigger for Lines in range 0 to 31
+ * @note The configurable wakeup lines are edge-triggered. No glitch must be
+ * generated on these lines. If a falling edge on a configurable interrupt
+ * line occurs during a write operation in the EXTI_FTSR register, the
+ * pending bit is not set.
+ * Rising and falling edge triggers can be set for
+ * the same interrupt line. In this case, both generate a trigger
+ * condition.
+ * @rmtoll FTSR1 FTx LL_EXTI_EnableFallingTrig_0_31
+ * @param ExtiLine This parameter can be a combination of the following values:
+ * @arg @ref LL_EXTI_LINE_0
+ * @arg @ref LL_EXTI_LINE_1
+ * @arg @ref LL_EXTI_LINE_2
+ * @arg @ref LL_EXTI_LINE_3
+ * @arg @ref LL_EXTI_LINE_4
+ * @arg @ref LL_EXTI_LINE_5
+ * @arg @ref LL_EXTI_LINE_6
+ * @arg @ref LL_EXTI_LINE_7
+ * @arg @ref LL_EXTI_LINE_8
+ * @arg @ref LL_EXTI_LINE_9
+ * @arg @ref LL_EXTI_LINE_10
+ * @arg @ref LL_EXTI_LINE_11
+ * @arg @ref LL_EXTI_LINE_12
+ * @arg @ref LL_EXTI_LINE_13
+ * @arg @ref LL_EXTI_LINE_14
+ * @arg @ref LL_EXTI_LINE_15
+ * @arg @ref LL_EXTI_LINE_16
+ * @arg @ref LL_EXTI_LINE_18
+ * @arg @ref LL_EXTI_LINE_19
+ * @arg @ref LL_EXTI_LINE_20
+ * @arg @ref LL_EXTI_LINE_21
+ * @arg @ref LL_EXTI_LINE_22
+ * @arg @ref LL_EXTI_LINE_29
+ * @arg @ref LL_EXTI_LINE_30
+ * @arg @ref LL_EXTI_LINE_31
+ * @note Please check each device line mapping for EXTI Line availability
+ * @retval None
+ */
+__STATIC_INLINE void LL_EXTI_EnableFallingTrig_0_31(uint32_t ExtiLine)
+{
+ SET_BIT(EXTI->FTSR1, ExtiLine);
+}
+
+/**
+ * @brief Enable ExtiLine Falling Edge Trigger for Lines in range 32 to 63
+ * @note The configurable wakeup lines are edge-triggered. No glitch must be
+ * generated on these lines. If a Falling edge on a configurable interrupt
+ * line occurs during a write operation in the EXTI_FTSR register, the
+ * pending bit is not set.
+ * Rising and falling edge triggers can be set for
+ * the same interrupt line. In this case, both generate a trigger
+ * condition.
+ * @rmtoll FTSR2 FTx LL_EXTI_EnableFallingTrig_32_63
+ * @param ExtiLine This parameter can be a combination of the following values:
+ * @arg @ref LL_EXTI_LINE_35
+ * @arg @ref LL_EXTI_LINE_36
+ * @arg @ref LL_EXTI_LINE_37
+ * @arg @ref LL_EXTI_LINE_38
+ * @retval None
+ */
+__STATIC_INLINE void LL_EXTI_EnableFallingTrig_32_63(uint32_t ExtiLine)
+{
+ SET_BIT(EXTI->FTSR2, ExtiLine);
+}
+
+/**
+ * @brief Disable ExtiLine Falling Edge Trigger for Lines in range 0 to 31
+ * @note The configurable wakeup lines are edge-triggered. No glitch must be
+ * generated on these lines. If a Falling edge on a configurable interrupt
+ * line occurs during a write operation in the EXTI_FTSR register, the
+ * pending bit is not set.
+ * Rising and falling edge triggers can be set for the same interrupt line.
+ * In this case, both generate a trigger condition.
+ * @rmtoll FTSR1 FTx LL_EXTI_DisableFallingTrig_0_31
+ * @param ExtiLine This parameter can be a combination of the following values:
+ * @arg @ref LL_EXTI_LINE_0
+ * @arg @ref LL_EXTI_LINE_1
+ * @arg @ref LL_EXTI_LINE_2
+ * @arg @ref LL_EXTI_LINE_3
+ * @arg @ref LL_EXTI_LINE_4
+ * @arg @ref LL_EXTI_LINE_5
+ * @arg @ref LL_EXTI_LINE_6
+ * @arg @ref LL_EXTI_LINE_7
+ * @arg @ref LL_EXTI_LINE_8
+ * @arg @ref LL_EXTI_LINE_9
+ * @arg @ref LL_EXTI_LINE_10
+ * @arg @ref LL_EXTI_LINE_11
+ * @arg @ref LL_EXTI_LINE_12
+ * @arg @ref LL_EXTI_LINE_13
+ * @arg @ref LL_EXTI_LINE_14
+ * @arg @ref LL_EXTI_LINE_15
+ * @arg @ref LL_EXTI_LINE_16
+ * @arg @ref LL_EXTI_LINE_18
+ * @arg @ref LL_EXTI_LINE_19
+ * @arg @ref LL_EXTI_LINE_20
+ * @arg @ref LL_EXTI_LINE_21
+ * @arg @ref LL_EXTI_LINE_22
+ * @arg @ref LL_EXTI_LINE_29
+ * @arg @ref LL_EXTI_LINE_30
+ * @arg @ref LL_EXTI_LINE_31
+ * @note Please check each device line mapping for EXTI Line availability
+ * @retval None
+ */
+__STATIC_INLINE void LL_EXTI_DisableFallingTrig_0_31(uint32_t ExtiLine)
+{
+ CLEAR_BIT(EXTI->FTSR1, ExtiLine);
+}
+
+/**
+ * @brief Disable ExtiLine Falling Edge Trigger for Lines in range 32 to 63
+ * @note The configurable wakeup lines are edge-triggered. No glitch must be
+ * generated on these lines. If a Falling edge on a configurable interrupt
+ * line occurs during a write operation in the EXTI_FTSR register, the
+ * pending bit is not set.
+ * Rising and falling edge triggers can be set for the same interrupt line.
+ * In this case, both generate a trigger condition.
+ * @rmtoll FTSR2 FTx LL_EXTI_DisableFallingTrig_32_63
+ * @param ExtiLine This parameter can be a combination of the following values:
+ * @arg @ref LL_EXTI_LINE_35
+ * @arg @ref LL_EXTI_LINE_36
+ * @arg @ref LL_EXTI_LINE_37
+ * @arg @ref LL_EXTI_LINE_38
+ * @retval None
+ */
+__STATIC_INLINE void LL_EXTI_DisableFallingTrig_32_63(uint32_t ExtiLine)
+{
+ CLEAR_BIT(EXTI->FTSR2, ExtiLine);
+}
+
+/**
+ * @brief Check if falling edge trigger is enabled for Lines in range 0 to 31
+ * @rmtoll FTSR1 FTx LL_EXTI_IsEnabledFallingTrig_0_31
+ * @param ExtiLine This parameter can be a combination of the following values:
+ * @arg @ref LL_EXTI_LINE_0
+ * @arg @ref LL_EXTI_LINE_1
+ * @arg @ref LL_EXTI_LINE_2
+ * @arg @ref LL_EXTI_LINE_3
+ * @arg @ref LL_EXTI_LINE_4
+ * @arg @ref LL_EXTI_LINE_5
+ * @arg @ref LL_EXTI_LINE_6
+ * @arg @ref LL_EXTI_LINE_7
+ * @arg @ref LL_EXTI_LINE_8
+ * @arg @ref LL_EXTI_LINE_9
+ * @arg @ref LL_EXTI_LINE_10
+ * @arg @ref LL_EXTI_LINE_11
+ * @arg @ref LL_EXTI_LINE_12
+ * @arg @ref LL_EXTI_LINE_13
+ * @arg @ref LL_EXTI_LINE_14
+ * @arg @ref LL_EXTI_LINE_15
+ * @arg @ref LL_EXTI_LINE_16
+ * @arg @ref LL_EXTI_LINE_18
+ * @arg @ref LL_EXTI_LINE_19
+ * @arg @ref LL_EXTI_LINE_20
+ * @arg @ref LL_EXTI_LINE_21
+ * @arg @ref LL_EXTI_LINE_22
+ * @arg @ref LL_EXTI_LINE_29
+ * @arg @ref LL_EXTI_LINE_30
+ * @arg @ref LL_EXTI_LINE_31
+ * @note Please check each device line mapping for EXTI Line availability
+ * @retval State of bit (1 or 0).
+ */
+__STATIC_INLINE uint32_t LL_EXTI_IsEnabledFallingTrig_0_31(uint32_t ExtiLine)
+{
+ return ((READ_BIT(EXTI->FTSR1, ExtiLine) == (ExtiLine)) ? 1UL : 0UL);
+}
+
+/**
+ * @brief Check if falling edge trigger is enabled for Lines in range 32 to 63
+ * @rmtoll FTSR2 FTx LL_EXTI_IsEnabledFallingTrig_32_63
+ * @param ExtiLine This parameter can be a combination of the following values:
+ * @arg @ref LL_EXTI_LINE_35
+ * @arg @ref LL_EXTI_LINE_36
+ * @arg @ref LL_EXTI_LINE_37
+ * @arg @ref LL_EXTI_LINE_38
+ * @retval State of bit (1 or 0).
+ */
+__STATIC_INLINE uint32_t LL_EXTI_IsEnabledFallingTrig_32_63(uint32_t ExtiLine)
+{
+ return ((READ_BIT(EXTI->FTSR2, ExtiLine) == (ExtiLine)) ? 1UL : 0UL);
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup EXTI_LL_EF_Software_Interrupt_Management Software_Interrupt_Management
+ * @{
+ */
+
+/**
+ * @brief Generate a software Interrupt Event for Lines in range 0 to 31
+ * @note If the interrupt is enabled on this line in the EXTI_IMR1, writing a 1 to
+ * this bit when it is at '0' sets the corresponding pending bit in EXTI_PR1
+ * resulting in an interrupt request generation.
+ * This bit is cleared by clearing the corresponding bit in the EXTI_PR1
+ * register (by writing a 1 into the bit)
+ * @rmtoll SWIER1 SWIx LL_EXTI_GenerateSWI_0_31
+ * @param ExtiLine This parameter can be a combination of the following values:
+ * @arg @ref LL_EXTI_LINE_0
+ * @arg @ref LL_EXTI_LINE_1
+ * @arg @ref LL_EXTI_LINE_2
+ * @arg @ref LL_EXTI_LINE_3
+ * @arg @ref LL_EXTI_LINE_4
+ * @arg @ref LL_EXTI_LINE_5
+ * @arg @ref LL_EXTI_LINE_6
+ * @arg @ref LL_EXTI_LINE_7
+ * @arg @ref LL_EXTI_LINE_8
+ * @arg @ref LL_EXTI_LINE_9
+ * @arg @ref LL_EXTI_LINE_10
+ * @arg @ref LL_EXTI_LINE_11
+ * @arg @ref LL_EXTI_LINE_12
+ * @arg @ref LL_EXTI_LINE_13
+ * @arg @ref LL_EXTI_LINE_14
+ * @arg @ref LL_EXTI_LINE_15
+ * @arg @ref LL_EXTI_LINE_16
+ * @arg @ref LL_EXTI_LINE_18
+ * @arg @ref LL_EXTI_LINE_19
+ * @arg @ref LL_EXTI_LINE_20
+ * @arg @ref LL_EXTI_LINE_21
+ * @arg @ref LL_EXTI_LINE_22
+ * @arg @ref LL_EXTI_LINE_29
+ * @arg @ref LL_EXTI_LINE_30
+ * @arg @ref LL_EXTI_LINE_31
+ * @note Please check each device line mapping for EXTI Line availability
+ * @retval None
+ */
+__STATIC_INLINE void LL_EXTI_GenerateSWI_0_31(uint32_t ExtiLine)
+{
+ SET_BIT(EXTI->SWIER1, ExtiLine);
+}
+
+/**
+ * @brief Generate a software Interrupt Event for Lines in range 32 to 63
+ * @note If the interrupt is enabled on this line inthe EXTI_IMR2, writing a 1 to
+ * this bit when it is at '0' sets the corresponding pending bit in EXTI_PR2
+ * resulting in an interrupt request generation.
+ * This bit is cleared by clearing the corresponding bit in the EXTI_PR2
+ * register (by writing a 1 into the bit)
+ * @rmtoll SWIER2 SWIx LL_EXTI_GenerateSWI_32_63
+ * @param ExtiLine This parameter can be a combination of the following values:
+ * @arg @ref LL_EXTI_LINE_35
+ * @arg @ref LL_EXTI_LINE_36
+ * @arg @ref LL_EXTI_LINE_37
+ * @arg @ref LL_EXTI_LINE_38
+ * @retval None
+ */
+__STATIC_INLINE void LL_EXTI_GenerateSWI_32_63(uint32_t ExtiLine)
+{
+ SET_BIT(EXTI->SWIER2, ExtiLine);
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup EXTI_LL_EF_Flag_Management Flag_Management
+ * @{
+ */
+
+/**
+ * @brief Check if the ExtLine Flag is set or not for Lines in range 0 to 31
+ * @note This bit is set when the selected edge event arrives on the interrupt
+ * line. This bit is cleared by writing a 1 to the bit.
+ * @rmtoll PR1 PIFx LL_EXTI_IsActiveFlag_0_31
+ * @param ExtiLine This parameter can be a combination of the following values:
+ * @arg @ref LL_EXTI_LINE_0
+ * @arg @ref LL_EXTI_LINE_1
+ * @arg @ref LL_EXTI_LINE_2
+ * @arg @ref LL_EXTI_LINE_3
+ * @arg @ref LL_EXTI_LINE_4
+ * @arg @ref LL_EXTI_LINE_5
+ * @arg @ref LL_EXTI_LINE_6
+ * @arg @ref LL_EXTI_LINE_7
+ * @arg @ref LL_EXTI_LINE_8
+ * @arg @ref LL_EXTI_LINE_9
+ * @arg @ref LL_EXTI_LINE_10
+ * @arg @ref LL_EXTI_LINE_11
+ * @arg @ref LL_EXTI_LINE_12
+ * @arg @ref LL_EXTI_LINE_13
+ * @arg @ref LL_EXTI_LINE_14
+ * @arg @ref LL_EXTI_LINE_15
+ * @arg @ref LL_EXTI_LINE_16
+ * @arg @ref LL_EXTI_LINE_18
+ * @arg @ref LL_EXTI_LINE_19
+ * @arg @ref LL_EXTI_LINE_20
+ * @arg @ref LL_EXTI_LINE_21
+ * @arg @ref LL_EXTI_LINE_22
+ * @arg @ref LL_EXTI_LINE_29
+ * @arg @ref LL_EXTI_LINE_30
+ * @arg @ref LL_EXTI_LINE_31
+ * @note Please check each device line mapping for EXTI Line availability
+ * @retval State of bit (1 or 0).
+ */
+__STATIC_INLINE uint32_t LL_EXTI_IsActiveFlag_0_31(uint32_t ExtiLine)
+{
+ return ((READ_BIT(EXTI->PR1, ExtiLine) == (ExtiLine)) ? 1UL : 0UL);
+}
+
+/**
+ * @brief Check if the ExtLine Flag is set or not for Lines in range 32 to 63
+ * @note This bit is set when the selected edge event arrives on the interrupt
+ * line. This bit is cleared by writing a 1 to the bit.
+ * @rmtoll PR2 PIFx LL_EXTI_IsActiveFlag_32_63
+ * @param ExtiLine This parameter can be a combination of the following values:
+ * @arg @ref LL_EXTI_LINE_35
+ * @arg @ref LL_EXTI_LINE_36
+ * @arg @ref LL_EXTI_LINE_37
+ * @arg @ref LL_EXTI_LINE_38
+ * @retval State of bit (1 or 0).
+ */
+__STATIC_INLINE uint32_t LL_EXTI_IsActiveFlag_32_63(uint32_t ExtiLine)
+{
+ return ((READ_BIT(EXTI->PR2, ExtiLine) == (ExtiLine)) ? 1UL : 0UL);
+}
+
+/**
+ * @brief Read ExtLine Combination Flag for Lines in range 0 to 31
+ * @note This bit is set when the selected edge event arrives on the interrupt
+ * line. This bit is cleared by writing a 1 to the bit.
+ * @rmtoll PR1 PIFx LL_EXTI_ReadFlag_0_31
+ * @param ExtiLine This parameter can be a combination of the following values:
+ * @arg @ref LL_EXTI_LINE_0
+ * @arg @ref LL_EXTI_LINE_1
+ * @arg @ref LL_EXTI_LINE_2
+ * @arg @ref LL_EXTI_LINE_3
+ * @arg @ref LL_EXTI_LINE_4
+ * @arg @ref LL_EXTI_LINE_5
+ * @arg @ref LL_EXTI_LINE_6
+ * @arg @ref LL_EXTI_LINE_7
+ * @arg @ref LL_EXTI_LINE_8
+ * @arg @ref LL_EXTI_LINE_9
+ * @arg @ref LL_EXTI_LINE_10
+ * @arg @ref LL_EXTI_LINE_11
+ * @arg @ref LL_EXTI_LINE_12
+ * @arg @ref LL_EXTI_LINE_13
+ * @arg @ref LL_EXTI_LINE_14
+ * @arg @ref LL_EXTI_LINE_15
+ * @arg @ref LL_EXTI_LINE_16
+ * @arg @ref LL_EXTI_LINE_18
+ * @arg @ref LL_EXTI_LINE_19
+ * @arg @ref LL_EXTI_LINE_20
+ * @arg @ref LL_EXTI_LINE_21
+ * @arg @ref LL_EXTI_LINE_22
+ * @arg @ref LL_EXTI_LINE_29
+ * @arg @ref LL_EXTI_LINE_30
+ * @arg @ref LL_EXTI_LINE_31
+ * @note Please check each device line mapping for EXTI Line availability
+ * @retval @note This bit is set when the selected edge event arrives on the interrupt
+ */
+__STATIC_INLINE uint32_t LL_EXTI_ReadFlag_0_31(uint32_t ExtiLine)
+{
+ return (uint32_t)(READ_BIT(EXTI->PR1, ExtiLine));
+}
+
+/**
+ * @brief Read ExtLine Combination Flag for Lines in range 32 to 63
+ * @note This bit is set when the selected edge event arrives on the interrupt
+ * line. This bit is cleared by writing a 1 to the bit.
+ * @rmtoll PR2 PIFx LL_EXTI_ReadFlag_32_63
+ * @param ExtiLine This parameter can be a combination of the following values:
+ * @arg @ref LL_EXTI_LINE_35
+ * @arg @ref LL_EXTI_LINE_36
+ * @arg @ref LL_EXTI_LINE_37
+ * @arg @ref LL_EXTI_LINE_38
+ * @retval @note This bit is set when the selected edge event arrives on the interrupt
+ */
+__STATIC_INLINE uint32_t LL_EXTI_ReadFlag_32_63(uint32_t ExtiLine)
+{
+ return (uint32_t)(READ_BIT(EXTI->PR2, ExtiLine));
+}
+
+/**
+ * @brief Clear ExtLine Flags for Lines in range 0 to 31
+ * @note This bit is set when the selected edge event arrives on the interrupt
+ * line. This bit is cleared by writing a 1 to the bit.
+ * @rmtoll PR1 PIFx LL_EXTI_ClearFlag_0_31
+ * @param ExtiLine This parameter can be a combination of the following values:
+ * @arg @ref LL_EXTI_LINE_0
+ * @arg @ref LL_EXTI_LINE_1
+ * @arg @ref LL_EXTI_LINE_2
+ * @arg @ref LL_EXTI_LINE_3
+ * @arg @ref LL_EXTI_LINE_4
+ * @arg @ref LL_EXTI_LINE_5
+ * @arg @ref LL_EXTI_LINE_6
+ * @arg @ref LL_EXTI_LINE_7
+ * @arg @ref LL_EXTI_LINE_8
+ * @arg @ref LL_EXTI_LINE_9
+ * @arg @ref LL_EXTI_LINE_10
+ * @arg @ref LL_EXTI_LINE_11
+ * @arg @ref LL_EXTI_LINE_12
+ * @arg @ref LL_EXTI_LINE_13
+ * @arg @ref LL_EXTI_LINE_14
+ * @arg @ref LL_EXTI_LINE_15
+ * @arg @ref LL_EXTI_LINE_16
+ * @arg @ref LL_EXTI_LINE_18
+ * @arg @ref LL_EXTI_LINE_19
+ * @arg @ref LL_EXTI_LINE_20
+ * @arg @ref LL_EXTI_LINE_21
+ * @arg @ref LL_EXTI_LINE_22
+ * @arg @ref LL_EXTI_LINE_29
+ * @arg @ref LL_EXTI_LINE_30
+ * @arg @ref LL_EXTI_LINE_31
+ * @note Please check each device line mapping for EXTI Line availability
+ * @retval None
+ */
+__STATIC_INLINE void LL_EXTI_ClearFlag_0_31(uint32_t ExtiLine)
+{
+ WRITE_REG(EXTI->PR1, ExtiLine);
+}
+
+/**
+ * @brief Clear ExtLine Flags for Lines in range 32 to 63
+ * @note This bit is set when the selected edge event arrives on the interrupt
+ * line. This bit is cleared by writing a 1 to the bit.
+ * @rmtoll PR2 PIFx LL_EXTI_ClearFlag_32_63
+ * @param ExtiLine This parameter can be a combination of the following values:
+ * @arg @ref LL_EXTI_LINE_35
+ * @arg @ref LL_EXTI_LINE_36
+ * @arg @ref LL_EXTI_LINE_37
+ * @arg @ref LL_EXTI_LINE_38
+ * @retval None
+ */
+__STATIC_INLINE void LL_EXTI_ClearFlag_32_63(uint32_t ExtiLine)
+{
+ WRITE_REG(EXTI->PR2, ExtiLine);
+}
+
+
+/**
+ * @}
+ */
+
+#if defined(USE_FULL_LL_DRIVER)
+/** @defgroup EXTI_LL_EF_Init Initialization and de-initialization functions
+ * @{
+ */
+
+uint32_t LL_EXTI_Init(LL_EXTI_InitTypeDef *EXTI_InitStruct);
+uint32_t LL_EXTI_DeInit(void);
+void LL_EXTI_StructInit(LL_EXTI_InitTypeDef *EXTI_InitStruct);
+
+
+/**
+ * @}
+ */
+#endif /* USE_FULL_LL_DRIVER */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+#endif /* EXTI */
+
+/**
+ * @}
+ */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __STM32L4xx_LL_EXTI_H */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/targets/stm32l432/src/device.c b/targets/stm32l432/src/device.c
index 6289189..3618563 100644
--- a/targets/stm32l432/src/device.c
+++ b/targets/stm32l432/src/device.c
@@ -38,6 +38,7 @@ void wait_for_usb_tether();
uint32_t __90_ms = 0;
+uint32_t __last_button_press_time = 0;
uint32_t __device_status = 0;
uint32_t __last_update = 0;
extern PCD_HandleTypeDef hpcd;
@@ -83,6 +84,11 @@ void TIM6_DAC_IRQHandler()
}
#endif
}
+void EXTI0_IRQHandler(void)
+{
+ EXTI->PR1 = EXTI->PR1;
+ __last_button_press_time = millis();
+}
// Global USB interrupt handler
void USB_IRQHandler(void)
@@ -500,6 +506,11 @@ int ctap_user_presence_test(uint32_t up_delay)
{
return 1;
}
+ // "cache" button presses for 2 seconds.
+ if (millis() - __last_button_press_time < 2000)
+ {
+ return 1;
+ }
#if SKIP_BUTTON_CHECK_WITH_DELAY
int i=500;
while(i--)
diff --git a/targets/stm32l432/src/init.c b/targets/stm32l432/src/init.c
index e7fa953..d51cf94 100644
--- a/targets/stm32l432/src/init.c
+++ b/targets/stm32l432/src/init.c
@@ -20,6 +20,7 @@
#include "stm32l4xx_ll_rng.h"
#include "stm32l4xx_ll_spi.h"
#include "stm32l4xx_ll_usb.h"
+#include "stm32l4xx_ll_exti.h"
#include "stm32l4xx_hal_pcd.h"
#include "stm32l4xx_hal.h"
@@ -849,20 +850,17 @@ void init_gpio(void)
LL_GPIO_SetPinMode(SOLO_BUTTON_PORT,SOLO_BUTTON_PIN,LL_GPIO_MODE_INPUT);
LL_GPIO_SetPinPull(SOLO_BUTTON_PORT,SOLO_BUTTON_PIN,LL_GPIO_PULL_UP);
-#ifdef SOLO_AMS_IRQ_PORT
-// SAVE POWER
- // LL_AHB2_GRP1_EnableClock(LL_AHB2_GRP1_PERIPH_GPIOC);
- // /**/
- // LL_GPIO_InitTypeDef GPIO_InitStruct;
- // GPIO_InitStruct.Pin = SOLO_AMS_IRQ_PIN;
- // GPIO_InitStruct.Mode = LL_GPIO_MODE_INPUT;
- // GPIO_InitStruct.Pull = LL_GPIO_PULL_NO;
- // LL_GPIO_Init(SOLO_AMS_IRQ_PORT, &GPIO_InitStruct);
- //
- //
- // LL_GPIO_SetPinMode(SOLO_AMS_IRQ_PORT,SOLO_AMS_IRQ_PIN,LL_GPIO_MODE_INPUT);
- // LL_GPIO_SetPinPull(SOLO_AMS_IRQ_PORT,SOLO_AMS_IRQ_PIN,LL_GPIO_PULL_UP);
-#endif
+
+ LL_SYSCFG_SetEXTISource(LL_SYSCFG_EXTI_PORTA, LL_SYSCFG_EXTI_LINE0);
+ LL_EXTI_InitTypeDef EXTI_InitStruct;
+ EXTI_InitStruct.Line_0_31 = LL_EXTI_LINE_0; // GPIOA_0
+ EXTI_InitStruct.Line_32_63 = LL_EXTI_LINE_NONE;
+ EXTI_InitStruct.LineCommand = ENABLE;
+ EXTI_InitStruct.Mode = LL_EXTI_MODE_IT;
+ EXTI_InitStruct.Trigger = LL_EXTI_TRIGGER_RISING;
+ LL_EXTI_Init(&EXTI_InitStruct);
+
+ NVIC_EnableIRQ(EXTI0_IRQn);
}